Navegação Livros - Capítulos por ID Autor IPEN "1045"
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Navegação Livros - Capítulos por ID Autor IPEN "1045"
Itens para a visualização no momento 1-20 de 25
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MONTEIRO, ALEX S.
; BARREIRA, DAILI A.S.
; SILVA, JAQUELINE S.
; OLIVEIRA, RENE R.
; VALENZUELA-DIAZ, FRANCISCO R.; MOURA, ESPERIDIANA A.B.
. An investigation of mechanical and thermal properties of polypropylene reinforced with different clays.
In: LI, BOWEN (Ed.); LI, JIAN (Ed.); IKHMAYIES, SHADIA (Ed.); ZHANG, MINGMING (Ed.); KALAY, YUNUS E. (Ed.); CARPENTER, JOHN S. (Ed.); HWANG, JIANN-YANG (Ed.); MONTEIRO, SERGIO N. (Ed.); BAI, CHENGUANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); SPENA, PASQUALE R. (Ed.); GOSWAMI, RAMASIS (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2019.
p. 453-463,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-05749-7_45
Abstract:
Nowadays, environmental awareness and an increasing concern with the
greenhouse effect have increased the interest in composite materials containing at
least one of the components from natural origin. Natural clays seem to be a good
alternative because they are environmentally acceptable, naturally abundant minerals,
and due to their ability to intercalate and exfoliate in the polymer matrix led to an
improvement in mechanical, thermal and barrier properties, compared to the neat
polymer. This work presents an investigation of the effects of incorporation of two
different clays on mechanical and thermal properties of polypropylene (PP) matrix.
PP with 1.5–3.0 wt% of the Cloisite® (commercial clay), and light green clay (noncommercial
Brazilian clay), was prepared by melt extrusion process. The neat PP
and its nanocomposites were characterized by mechanical tests, SEM, DSC, TGA
and XRD analyses. In addition, clay characterization by XRD has also been carried
out.
Palavras-Chave: polypropylene; clays; tensile properties; thermal gravimetric analysis
. An investigation of mechanical and thermal properties of polypropylene reinforced with different clays. In: LI, BOWEN (ed.); LI, JIAN (ed.); IKHMAYIES, SHADIA (ed.); ZHANG, MINGMING (ed.); KALAY, YUNUS E. (ed.); CARPENTER, JOHN S. (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); BAI, CHENGUANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); SPENA, PASQUALE R. (ed.); GOSWAMI, RAMASIS (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2019. p. 453-463. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-05749-7_45. Disponível em: http://repositorio.ipen.br/handle/123456789/29845. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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COSTA, ROBSON S.
; MOURA, ESPERIDIANA A.B.
. A bibliometric analysis of the strategy and performance measurement of the polymer matrix nanomaterials development scenario globally, and the participation of Brazil.
In: LI, JIAN (Ed.); ZHANG, MINGMING (Ed.); LI, BOWEN (Ed.); MONTEIRO, SERGIO N. (Ed.); IKHMAYIES, SHADIA (Ed.); KALAY, YUNUS E. (Ed.); HWANG, JIANN-YANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); CARPENTER, JOHN S. (Ed.); BROWN, ANDREW D. (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2020.
p. 329-342,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-36628-5_31
Abstract:
Extensive studies have been conducted worldwide on the strategy for the
development of nanomaterials. One of the known strategies for this has aroused
interest in the market is the incorporation of the nanoparticles, extracted from the
residues in thematrices of the polymers for the production of environmentally correct
nanocomposites. This work presents a survey of the scientific knowledge of nanomaterials
of the polymer matrix and a panoramic view of the evolution of these nanomaterials
are subject, in order to meet the criteria of sustainable development due to the
environmental concerns. This study also intends to use bibliometric tools to database
acquisition and analysis of bibliographic reviews for an evaluation of the scenarios
in the world on the development of polymeric nanomaterials based on three different
classes of polymeric nanocomposites: polymer/clay; polymer/graphene, and
polymer/nanocellulose nanocomposites.
Palavras-Chave: statistical data; nanomaterials; nanocomposites; scientific personnel; knowledge management; polymers
. A bibliometric analysis of the strategy and performance measurement of the polymer matrix nanomaterials development scenario globally, and the participation of Brazil. In: LI, JIAN (ed.); ZHANG, MINGMING (ed.); LI, BOWEN (ed.); MONTEIRO, SERGIO N. (ed.); IKHMAYIES, SHADIA (ed.); KALAY, YUNUS E. (ed.); HWANG, JIANN-YANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); CARPENTER, JOHN S. (ed.); BROWN, ANDREW D. (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2020. p. 329-342. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-36628-5_31. Disponível em: http://repositorio.ipen.br/handle/123456789/31850. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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INAMURA, P.Y.
; KRAIDE, F.H.
; ARMELIN, M.J.A.
; SCAPIN, M.A.
; MOURA, E.A.B.
; MASTRO, N.L.
. Characterization of Brazil nut fibers.
In: FANGUEIRO, R. (Ed.); RANA, S. (Ed.).
Natural fibers: advances in science and technology towards industrial applications.
Netherlands: Springer International Publishing,
2016.
p. 71-85,
(RILEM Bookseries, 12).
Palavras-Chave: brazil; nuts; fibers; capsules; shells; organic compounds; neutron activation analysis; gamma spectroscopy; x-ray fluorescence analysis; fluorescence spectroscopy; cellulose
. Characterization of Brazil nut fibers. In: FANGUEIRO, R. (ed.); RANA, S. (ed.). Natural fibers: advances in science and technology towards industrial applications. Netherlands: Springer International Publishing, 2016. p. 71-85. (RILEM Bookseries, 12). Disponível em: http://repositorio.ipen.br/handle/123456789/25848. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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FRANCISCO, DANAE L.
; PAIVA, LUCILENE B. de; ALDEIA, WAGNER; LUGAO, ADEMAR B.
; MOURA, ESPERIDIANA A.B.
. Characterization of non-covalently functionalized halloysite.
In: LI, BOWEN (Ed.); LI, JIAN (Ed.); IKHMAYIES, SHADIA (Ed.); ZHANG, MINGMING (Ed.); KALAY, YUNUS E. (Ed.); CARPENTER, JOHN S. (Ed.); HWANG, JIANN-YANG (Ed.); MONTEIRO, SERGIO N. (Ed.); FIRRAO, DONATO (Ed.); BROWN, ANDREW (Ed.); BAI, CHENGUANG (Ed.); PENG, ZHIWEI (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); GOSWAMI, RAMASIS (Ed.); KIM, JEONGGUK (Ed.).
Characterization of Minerals, Metals, and Materials. TMS.
Cham, CZ, Switzerland: Springer International Publishing AG,
2018.
p. 317-323,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-319-72484-3_34
Abstract:
The inorganic nanotube halloysite (HNT) is a promising type of natural occurring filler for polymers. Its characteristics, such as high aspect ratio (10–50), small size, and high strength (elastic modulus—140 GPa) suggest that HNTs have a potential use in high-performance polymer nanocomposites. Compared to other nanoclays and nanosilica the relatively low content of hydroxyl groups on their surfaces makes HNTs relatively hydrophobic, although, sometimes, this is not sufficient for guaranty a good interfacial adhesion in composite systems. Further hydrophobic treatment is required to improve HNTs compatibility with polymer matrixes, maximizing interfacial interactions. In the present study, different percentages of EPB (2,2-(1,2-ethene diyldi-4,1-phenylene) bisbenzoxazole) was used to perform a non-covalent functionalization of halloysite, based on electron transfer interactions. The functionalization is characterized by specific surface area (BET), thermogravimetric analysis (TG) and water/toluene extraction experiment.
Palavras-Chave: nanotubes; silicate minerals; clays; benzoxazoles; thermal gravimetric analysis; toluene; polymers
. Characterization of non-covalently functionalized halloysite. In: LI, BOWEN (ed.); LI, JIAN (ed.); IKHMAYIES, SHADIA (ed.); ZHANG, MINGMING (ed.); KALAY, YUNUS E. (ed.); CARPENTER, JOHN S. (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); FIRRAO, DONATO (ed.); BROWN, ANDREW (ed.); BAI, CHENGUANG (ed.); PENG, ZHIWEI (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); GOSWAMI, RAMASIS (ed.); KIM, JEONGGUK (ed.). Characterization of Minerals, Metals, and Materials. TMS. Cham, CZ, Switzerland: Springer International Publishing AG, 2018. p. 317-323. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-319-72484-3_34. Disponível em: http://repositorio.ipen.br/handle/123456789/28878. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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MONTEIRO, ALEX S.
; BARREIRA, DAILI A.S.
; BARTOLOMEI, SUELLEN S.
; OLIVEIRA, RENE R.
; MOURA, ESPERIDIANA A.B. de
. Comparative study of the use of rice husk ashes and graphite as fillers in polypropylene matrix composites.
In: LI, BOWEN (Ed.); LI, JIAN (Ed.); IKHMAYIES, SHADIA (Ed.); ZHANG, MINGMING (Ed.); KALAY, YUNUS E. (Ed.); CARPENTER, JOHN S. (Ed.); HWANG, JIANN-YANG (Ed.); MONTEIRO, SERGIO N. (Ed.); BAI, CHENGUANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); SPENA, PASQUALE R. (Ed.); GOSWAMI, RAMASIS (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2019.
p. 561-570,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-05749-7_56
Abstract:
In recent years, carbonaceous materials have been widely studied for polymer
composite applications due to its capability to improve the engineering properties
of the polymeric matrix. Among various carbonaceous fillers, carbon nanotube,
graphene, and graphite promise to be a suitable reinforcement of polymers. Rice
husk ash (RHA), a large residue rich in carbon and silica produced by the burning
of rice husk offers also an immense potential as a carbonaceous filler for polymer
composites on account of its lowcost, lowdensity, high strength and elastic modulus,
no health risks, and renewability. This work aims at studying the effects of RHA and
graphite as fillers in polypropylene (PP) matrix composites. The composites PP/RHA
and PP/graphite were produced by melting extrusion process. The materials obtained
were subjected to mechanical tests, XRD, TG, and FEG-SEM analyses. Comparison
studies between neat PP properties and its composites were carried out.
Palavras-Chave: matrix materials; polypropylene; mechanical properties; thermodynamic properties; carbonaceous materials
. Comparative study of the use of rice husk ashes and graphite as fillers in polypropylene matrix composites. In: LI, BOWEN (ed.); LI, JIAN (ed.); IKHMAYIES, SHADIA (ed.); ZHANG, MINGMING (ed.); KALAY, YUNUS E. (ed.); CARPENTER, JOHN S. (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); BAI, CHENGUANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); SPENA, PASQUALE R. (ed.); GOSWAMI, RAMASIS (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2019. p. 561-570. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-05749-7_56. Disponível em: http://repositorio.ipen.br/handle/123456789/29847. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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SOARES, CARLOS
; SANTANA, JULYANA
; GUVEN, OLGUN; MOURA, ESPERIDIANA A.B.
. A comparison between graphene oxide and reduced graphene oxide as reinforcement agents in polypropylene nanocomposite using irradiated polypropylene as compatibilizer.
In: LI, JIAN (Ed.); ZHANG, MINGMING (Ed.); LI, BOWEN (Ed.); MONTEIRO, SERGIO N. (Ed.); IKHMAYIES, SHADIA (Ed.); KALAY, YUNUS E. (Ed.); HWANG, JIANN-YANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); CARPENTER, JOHN S. (Ed.); BROWN, ANDREW D. (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2020.
p. 385-394,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-36628-5_36
Abstract:
Graphene is thematerial with the bestmechanical resistance ever encountered.
Various types of studies have been carried out on possible applications. The use
as a reinforcement in nanocomposites has shown to be a promising field, but some
studies indicate that the graphene oxide (GO) and reduced graphene oxide (RGO)
have better results as reinforcement, due to the functional groups,which allowa better
adhesion with the matrix. This study analyzes the production of polypropylene (PP)
nanocomposite comparing the use of graphene oxide (GO) and reduced graphene
oxide (RGO) as fillers and irradiated polypropylene as a coupling agent.Atwin-screw
extruder and injection molding machine were used to produce the nanocomposite
PP reinforced with 0.2 wt% of GO and RGO by melt blending. The GO and RGO
were characterized byXRDanalysis.The nanocomposite sampleswere characterized
by XRD, SEM, TG, DSC and mechanical test.
Palavras-Chave: graphene; oxides; polypropylene; nanocomposites; gamma radiation; stresses; tensile properties
. A comparison between graphene oxide and reduced graphene oxide as reinforcement agents in polypropylene nanocomposite using irradiated polypropylene as compatibilizer. In: LI, JIAN (ed.); ZHANG, MINGMING (ed.); LI, BOWEN (ed.); MONTEIRO, SERGIO N. (ed.); IKHMAYIES, SHADIA (ed.); KALAY, YUNUS E. (ed.); HWANG, JIANN-YANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); CARPENTER, JOHN S. (ed.); BROWN, ANDREW D. (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2020. p. 385-394. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-36628-5_36. Disponível em: http://repositorio.ipen.br/handle/123456789/31851. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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ARANTES, MARIANA M.
; SANTANA, JULYANA
; VALENZUELA-DIAZ, F.R.; RANGARI, VIJAY K.; GUVEN, OLGUN; MOURA, ESPERIDIANA A.B.
. Development and characterization of recycled-HDPE/EVA foam reinforced with babassu coconut epicarp fiber residues.
In: LI, BOWEN (Ed.); LI, JIAN (Ed.); IKHMAYIES, SHADIA (Ed.); ZHANG, MINGMING (Ed.); KALAY, YUNUS E. (Ed.); CARPENTER, JOHN S. (Ed.); HWANG, JIANN-YANG (Ed.); MONTEIRO, SERGIO N. (Ed.); FIRRAO, DONATO (Ed.); BROWN, ANDREW (Ed.); BAI, CHENGUANG (Ed.); PENG, ZHIWEI (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); GOSWAMI, RAMASIS (Ed.); KIM, JEONGGUK (Ed.).
Characterization of Minerals, Metals, and Materials. TMS.
Cham, CZ, Switzerland: Springer International Publishing AG,
2018.
p. 497-506,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-319-72484-3_52
Abstract:
Nowadays, the development of polymeric materials reinforced with residues of vegetal fibers is becoming popular for application in different segments, from the automotive to the civil construction and furniture industry. Vegetal fiber residues may be used as reinforcement of the recycled polymer materials, for instance, to produce foams to packaging or to thermal and acoustic isolation for green building application. This work is focused on the development and characterization of recycled-HDPE/EVA foam reinforced with fiber residues from babassu coconut epicarp. Firstly, composites based on recycled-HDPE/EVA blend reinforced with babassu coconut fiber were obtained by melting extrusion process. The composites were then extruded in a special single screw for foaming. The foam samples were submitted to mechanical tests, density measurement, DSC, TG, and FE-SEM analysis.
Palavras-Chave: coconut palms; coconuts; fibers; polyethylenes; polymerization; polyvinyls; recycling
. Development and characterization of recycled-HDPE/EVA foam reinforced with babassu coconut epicarp fiber residues. In: LI, BOWEN (ed.); LI, JIAN (ed.); IKHMAYIES, SHADIA (ed.); ZHANG, MINGMING (ed.); KALAY, YUNUS E. (ed.); CARPENTER, JOHN S. (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); FIRRAO, DONATO (ed.); BROWN, ANDREW (ed.); BAI, CHENGUANG (ed.); PENG, ZHIWEI (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); GOSWAMI, RAMASIS (ed.); KIM, JEONGGUK (ed.). Characterization of Minerals, Metals, and Materials. TMS. Cham, CZ, Switzerland: Springer International Publishing AG, 2018. p. 497-506. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-319-72484-3_52. Disponível em: http://repositorio.ipen.br/handle/123456789/28879. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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REIS, PEDRO R.S.
; SANTANA, JULYANA G.
; OLIVEIRA, RENE R.
; RANGARI, VIJAYA K.; LOURENÇO, FELIPE R.; MOURA, ESPERIDIANA A.B.
. Development of biocomposite materials from biodegradable polymer and bio-hydroxyapatite derived from eggshells for biomedical applications.
In: LI, BOWEN (Ed.); LI, JIAN (Ed.); IKHMAYIES, SHADIA (Ed.); ZHANG, MINGMING (Ed.); KALAY, YUNUS E. (Ed.); CARPENTER, JOHN S. (Ed.); HWANG, JIANN-YANG (Ed.); MONTEIRO, SERGIO N. (Ed.); BAI, CHENGUANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); SPENA, PASQUALE R. (Ed.); GOSWAMI, RAMASIS (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2019.
p. 571-581,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-05749-7_57
Abstract:
Nowadays, significant advances have been made in the development of
biodegradable polymeric materials for biomedical applications. This study aims to
prepare and characterize composite materials based on PLA/PBAT, a biodegradable
polymer blend, reinforced with bio-hydroxyapatite (bio-HAp). First, bio-HAp was
obtained from eggshell residues by the wet precipitation method. PLA/PBAT blend
with 1.5 wt% of bio-HAp was prepared by melt extrusion and injection molding
process. Part of composite samples was irradiated with gamma radiation dose of
25 kGy, at room temperature and presence of air. The effects of the bio-HAp addition
into the biodegradable blend were investigated by mechanical tests, XRD, DSC, FESEM,
and cytotoxicity “in vitro” analysis and the correlation between the properties
was discussed. In addition, the microbiological tests were carried out at irradiated and
non-irradiated composite samples in order to evaluate the efficiency of the radiation
dose of 25 kGy at composite materials sterilization.
Palavras-Chave: apatites; polyurethanes; polymers; biodegradation; antimitotic drugs; microorganisms; materials testing
. Development of biocomposite materials from biodegradable polymer and bio-hydroxyapatite derived from eggshells for biomedical applications. In: LI, BOWEN (ed.); LI, JIAN (ed.); IKHMAYIES, SHADIA (ed.); ZHANG, MINGMING (ed.); KALAY, YUNUS E. (ed.); CARPENTER, JOHN S. (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); BAI, CHENGUANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); SPENA, PASQUALE R. (ed.); GOSWAMI, RAMASIS (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2019. p. 571-581. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-05749-7_57. Disponível em: http://repositorio.ipen.br/handle/123456789/29848. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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TATEI, TATIANE Y.
; FONTES, ERIC H.
; MOREIRA, RENAN P.
; DIAS, FRANCISCO V.; OLIVEIRA, RENE R.
; RANGARI, VIJAYA; MOURA, ESPERIDIANA A.B.
. Improvement properties of polypropylene by graphene oxide incorporation.
In: LI, JIAN (Ed.); ZHANG, MINGMING (Ed.); LI, BOWEN (Ed.); MONTEIRO, SERGIO N. (Ed.); IKHMAYIES, SHADIA (Ed.); KALAY, YUNUS E. (Ed.); HWANG, JIANN-YANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); CARPENTER, JOHN S. (Ed.); BROWN, ANDREW D. (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2020.
p. 581-589,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-36628-5_57
Abstract:
Due to the remarkable properties of graphene oxide (GO) and its possibility
of functionalization,GOhas been used in many applications such as nanocomposites.
GO nanosheets have been shown to improve the properties of the polypropylene
(PP) matrix, for instance, its strength, gas barrier, thermal, and electrical conductivity.
As PP has relatively low cost and varied applications, this work aims to study the
changes in its thermal, morphological, and mechanical properties, due to the incorporation
of GO in the PP matrix. GO was synthesized from graphite by a modified
Hummers method. The nanocomposites PP/GO with 0.1, 0.2, and 0.3 wt% of GO in
the PP matrix were obtained using a twin-screw extruder and an injection molding
machine via a melt blending process. The nanocomposites PP/GO were characterized
by FE-SEM and Izod impact test. In addition, the GO nanosheets were also
characterized by Raman spectroscopy, ATR-FTIR, FE-SEM, and XRD, therewith
correlation between properties was discussed.
Palavras-Chave: graphene; oxides; polypropylene; nanocomposites
. Improvement properties of polypropylene by graphene oxide incorporation. In: LI, JIAN (ed.); ZHANG, MINGMING (ed.); LI, BOWEN (ed.); MONTEIRO, SERGIO N. (ed.); IKHMAYIES, SHADIA (ed.); KALAY, YUNUS E. (ed.); HWANG, JIANN-YANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); CARPENTER, JOHN S. (ed.); BROWN, ANDREW D. (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2020. p. 581-589. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-36628-5_57. Disponível em: http://repositorio.ipen.br/handle/123456789/31854. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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SANTANA, JULYANA
; SEIXAS, MARCUS V. de S.
; RANGARI, VIJAY; VALENZUELA-DIAZ, FRANCISCO; WIEBECK, HELIO; MOURA, ESPERIDIANA
. Influence of electron-beam irradiation on the properties of LDPE/EDPM blend foams.
In: LI, BOWEN (Ed.); LI, JIAN (Ed.); IKHMAYIES, SHADIA (Ed.); ZHANG, MINGMING (Ed.); KALAY, YUNUS E. (Ed.); CARPENTER, JOHN S. (Ed.); HWANG, JIANN-YANG (Ed.); MONTEIRO, SERGIO N. (Ed.); FIRRAO, DONATO (Ed.); BROWN, ANDREW (Ed.); BAI, CHENGUANG (Ed.); PENG, ZHIWEI (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); GOSWAMI, RAMASIS (Ed.); KIM, JEONGGUK (Ed.).
Characterization of Minerals, Metals, and Materials. TMS.
Cham, CZ, Switzerland: Springer International Publishing AG,
2018.
p. 547-555,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-319-72484-3_58
Abstract:
Closed-cell polyethylene (PE) foams have been extensively used in many applications such as packaging, transportation, sports, construction, and agriculture because of their variety of properties including light weight, chemical resistance, thermal and electrical insulation. The objective of this study is to evaluate the influence of electron-beam irradiation on the properties of LDPE/EPDM blend foams. The LDPE/EPDM blend (80/20 wt%) were prepared by melt extrusion, using a twin-screw extruder machine. The foam structure of LDPE/EPDM blends was obtained by melt extrusion process, using a special single screw for foaming with 1.5 wt% of foaming agent as blowing agent. The foam samples were irradiated by electron-beam at radiation dose of 25, 50, 75 and 100 kGy and submitted to heating in an oven at 100 °C. The specimen tests samples of irradiated and non-irradiated foams were submitted to mechanical tests, DSC, TG analysis and density measurement.
Palavras-Chave: polyethylenes; ethylene propylene diene polymers; density; irradiation; tensile properties
. Influence of electron-beam irradiation on the properties of LDPE/EDPM blend foams. In: LI, BOWEN (ed.); LI, JIAN (ed.); IKHMAYIES, SHADIA (ed.); ZHANG, MINGMING (ed.); KALAY, YUNUS E. (ed.); CARPENTER, JOHN S. (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); FIRRAO, DONATO (ed.); BROWN, ANDREW (ed.); BAI, CHENGUANG (ed.); PENG, ZHIWEI (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); GOSWAMI, RAMASIS (ed.); KIM, JEONGGUK (ed.). Characterization of Minerals, Metals, and Materials. TMS. Cham, CZ, Switzerland: Springer International Publishing AG, 2018. p. 547-555. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-319-72484-3_58. Disponível em: http://repositorio.ipen.br/handle/123456789/28880. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
-
SANTOS, BIANCA S.
; INACIO, ANDRE L.N.
; BARTOLOMEI, SUELLEN S.
; SILVA, TAISE B.S.
; CARMO, KARINA L.S.
; OLIVEIRA, RENE R.
; MOURA, ESPERIDIANA A.B.
. Influence of the reduced graphene oxide incorporation on properties of acrylonitrile butadiene styrene (ABS).
In: LI, JIAN (Ed.); ZHANG, MINGMING (Ed.); LI, BOWEN (Ed.); MONTEIRO, SERGIO N. (Ed.); IKHMAYIES, SHADIA (Ed.); KALAY, YUNUS E. (Ed.); HWANG, JIANN-YANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); CARPENTER, JOHN S. (Ed.); BROWN, ANDREW D. (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2020.
p. 599-607,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-36628-5_59
Abstract:
The purpose of this study was to evaluate the influence of incorporation of
the reduced graphene oxide on properties of acrylonitrile butadiene styrene (ABS).
The incorporation of 0.5 and 1.5 wt% of RGO into ABS matrix was carried out
by melting extrusion process using a twin-screw extruder and injection molding
machine. The properties of ABS/RGO nanocomposite samples were investigated
by tensile and impact Izod tests, FE-SEM, and XRD analysis. The results showed
that the incorporation of small amount of RGO into ABS matrix led to obtaining of
polymeric nanocomposite with superior mechanical properties when compared with
original properties of ABS matrix.
Palavras-Chave: graphene; oxides; acrylonitrile; butadiene; styrene; mechanical tests
. Influence of the reduced graphene oxide incorporation on properties of acrylonitrile butadiene styrene (ABS). In: LI, JIAN (ed.); ZHANG, MINGMING (ed.); LI, BOWEN (ed.); MONTEIRO, SERGIO N. (ed.); IKHMAYIES, SHADIA (ed.); KALAY, YUNUS E. (ed.); HWANG, JIANN-YANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); CARPENTER, JOHN S. (ed.); BROWN, ANDREW D. (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2020. p. 599-607. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-36628-5_59. Disponível em: http://repositorio.ipen.br/handle/123456789/31855. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
-
BARTOLOMEI, S.S.; MOURA, E.A.B.
; WIEBECK, H.. Inhibition of flame propagation in nanocomposites with expanded polystyrene recycled clay, gypsum, and titanium dioxide.
In: LI, JIAN (Ed.); ZHANG, MINGMING (Ed.); LI, BOWEN (Ed.); MONTEIRO, SERGIO N. (Ed.); IKHMAYIES, SHADIA (Ed.); KALAY, YUNUS E. (Ed.); HWANG, JIANN-YANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); CARPENTER, JOHN S. (Ed.); BROWN, ANDREW D. (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2020.
p. 609-618,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-36628-5_60
Abstract:
The large amount of plastic waste found in the environment, landfills, and
dumps boost research into the recycling of polymer materials, which could reduce
the amount of polymer discarded. In Brazil, the sector that most consumes polymers
is the civil construction that could consume recycled polymerswithout concerns with
the properties due to applications of low mechanical exigency. However, for applications
in this sector, it is necessary that the materials have some resistance to the
propagation of flames. This work discusses the flame retardance in nanocomposites
with recycled polystyrene matrix and particles of nanoargila, titanium dioxide, and
gypsum. The results of the X-ray diffraction (XRD), differential scanning calorimeter
(DSC), field emission scanning electronmicroscopy (FE-SEM), and flammability
test. The results showed that glycerol, added during recycling, can plasticize recycled
expanded polystyrene while maintaining the flame resistance properties of the
material with flame retardant. It can also be concluded that some particles may delay
the propagation of the flame in the composite.
Palavras-Chave: clays; titanium oxides; gypsum; polystyrene; flames
. Inhibition of flame propagation in nanocomposites with expanded polystyrene recycled clay, gypsum, and titanium dioxide. In: LI, JIAN (ed.); ZHANG, MINGMING (ed.); LI, BOWEN (ed.); MONTEIRO, SERGIO N. (ed.); IKHMAYIES, SHADIA (ed.); KALAY, YUNUS E. (ed.); HWANG, JIANN-YANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); CARPENTER, JOHN S. (ed.); BROWN, ANDREW D. (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2020. p. 609-618. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-36628-5_60. Disponível em: http://repositorio.ipen.br/handle/123456789/31856. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
-
BARTOLOMEI, MARCIO R.X.
; CARMO, KARINA H.S.
; SANTOS, BIANCA S.
; BARTOLOMEI, SUELLEN S.
; OLIVEIRA, RENE R.
; MOURA, ESPERIDIANA A.B.
. Investigation on mechanical and thermal behaviours of PBAT/PLA blend reinforced with reduced graphene oxide nanosheets.
In: LI, JIAN (Ed.); ZHANG, MINGMING (Ed.); LI, BOWEN (Ed.); MONTEIRO, SERGIO N. (Ed.); IKHMAYIES, SHADIA (Ed.); KALAY, YUNUS E. (Ed.); HWANG, JIANN-YANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); CARPENTER, JOHN S. (Ed.); BROWN, ANDREW D. (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2020.
p. 631-639,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-36628-5_62
Abstract:
The aim of this study was to process and investigate the changes in
the mechanical and morphological properties of the biodegradable nanocomposites
based on polybutylene adipate-co-terephthalate (PBAT)/poly(lactic acid) (PLA)
blend (PBAT/PLA blend) due to the incorporation of reduced graphene oxide (RGO)
nanosheets. The biodegradable polymeric nanocomposites were prepared by melting
extrusion process using a twin-screw extruder machine. The influence of the RGO
nanosheets incorporation on mechanical and thermal properties of PBAT/PLA blend
was investigated by tensile Thermogravimetric (TG), X-Ray diffraction (XRD), differential
scanning calorimetry (DSC), and tensile test analysis. Results showed that
incorporation of the small amount ofRGO(0.1wt.%) ofRGOnanosheets in the blend
matrix of PBAT/PLA resulted in an important gain of mechanical properties of the
blend. This result indicates that a very small amount of RGO nanosheets addition in
the PBAT/PLA can lead to obtaining materials with superior properties suitable for
several industrial applications.
Palavras-Chave: polymers; graphene; oxides; biodegradation; mechanical tests
. Investigation on mechanical and thermal behaviours of PBAT/PLA blend reinforced with reduced graphene oxide nanosheets. In: LI, JIAN (ed.); ZHANG, MINGMING (ed.); LI, BOWEN (ed.); MONTEIRO, SERGIO N. (ed.); IKHMAYIES, SHADIA (ed.); KALAY, YUNUS E. (ed.); HWANG, JIANN-YANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); CARPENTER, JOHN S. (ed.); BROWN, ANDREW D. (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2020. p. 631-639. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-36628-5_62. Disponível em: http://repositorio.ipen.br/handle/123456789/31857. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
-
FRANCISCO, DANAE L.
; PAIVA, LUCILENE B. de; ALDEIA, WAGNER; LUGAO, ADEMAR B.
; MOURA, ESPERIDIANA A.B.
. Investigation on mechanical behaviors of polyamide 11 reinforced with halloysite nanotubes.
In: LI, BOWEN (Ed.); LI, JIAN (Ed.); IKHMAYIES, SHADIA (Ed.); ZHANG, MINGMING (Ed.); KALAY, YUNUS E. (Ed.); CARPENTER, JOHN S. (Ed.); HWANG, JIANN-YANG (Ed.); MONTEIRO, SERGIO N. (Ed.); BAI, CHENGUANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); SPENA, PASQUALE R. (Ed.); GOSWAMI, RAMASIS (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2019.
p. 693-701,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-05749-7_69
Abstract:
The inorganic halloysite nanotubes (HNTs) are a promising type of natural
occurring filler for polymers. Its characteristics such as high aspect ratio (10–50),
small size, and high strength (elastic modulus—140 GPa) suggest that HNTs have
a potential use in high-performance polymer nanocomposites. Compared to other
nanoclays and nanosilica, the relatively low content of hydroxyl groups on their
surfaces makes HNTs relatively hydrophobic, although, sometimes, this is not sufficient
for guaranty a good interfacial adhesion in composite systems. In the present
study, halloysite nanotubes were incorporated in a polyamide 11 (PA11) matrix by
melt extrusion, using a twin-screw extruder and injection molding machine. The
neat PA11 and PA11/HNT nanocomposites were characterized by mechanical tests
(tensile, flexural and impact tests), and the correlation between properties were discussed.
Palavras-Chave: polyamides; nanostructures; nanotubes; nanocomposites; mechanical properties; thermoplastics; inorganic polymers; tensile properties
. Investigation on mechanical behaviors of polyamide 11 reinforced with halloysite nanotubes. In: LI, BOWEN (ed.); LI, JIAN (ed.); IKHMAYIES, SHADIA (ed.); ZHANG, MINGMING (ed.); KALAY, YUNUS E. (ed.); CARPENTER, JOHN S. (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); BAI, CHENGUANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); SPENA, PASQUALE R. (ed.); GOSWAMI, RAMASIS (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2019. p. 693-701. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-05749-7_69. Disponível em: http://repositorio.ipen.br/handle/123456789/29852. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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TAMURA, CAROLINE S.
; ARANTES, MARIANA
; CARMO, KARINA H.S.
; SANTOS, BIANCA S.
; OLIVEIRA, RENE R.
; MOURA, ESPERIDIANA A.B.
. Mechanical and morphological properties of hybrid composites based on recycled LDPE/EVA blend reinforced with clay and babassu fiber residues.
In: LI, JIAN (Ed.); ZHANG, MINGMING (Ed.); LI, BOWEN (Ed.); MONTEIRO, SERGIO N. (Ed.); IKHMAYIES, SHADIA (Ed.); KALAY, YUNUS E. (Ed.); HWANG, JIANN-YANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); CARPENTER, JOHN S. (Ed.); BROWN, ANDREW D. (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2020.
p. 661-669,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-36628-5_65
Abstract:
Over the years the consumption of plastic products made of conventional
polymers has produced a large amount of waste which has led to disposal problems
worldwide. Among the alternatives to minimize these problems are reuse and recycling
practices. Then, the recycling of plastic and the use of recycled materials to
produce new materials reinforced with nanoparticles from natural resources can be
an alternative to reduce inappropriate waste disposal. The objective of this study is to
investigate the effects of the addition of clay and non-treated babassu fiber residues
on the mechanical and morphological properties of composite based on recycled
LDPE/EVA blend. Composite materials containing 1–3 wt% of babassu residues
and 1 wt% of clay were prepared using a twin-screw extruder machine and flat die
single extrusion process, in order to prepare hybrid composites sheets. The sheets
prepared by recycled LDPE/EVA blend and its composites were characterized by
tensile tests, XRD, and FE-SEM analysis and the correlation between properties was
discussed.
Palavras-Chave: mixers; recycling; polymers; films; fibers; composite materials; hybridization
. Mechanical and morphological properties of hybrid composites based on recycled LDPE/EVA blend reinforced with clay and babassu fiber residues. In: LI, JIAN (ed.); ZHANG, MINGMING (ed.); LI, BOWEN (ed.); MONTEIRO, SERGIO N. (ed.); IKHMAYIES, SHADIA (ed.); KALAY, YUNUS E. (ed.); HWANG, JIANN-YANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); CARPENTER, JOHN S. (ed.); BROWN, ANDREW D. (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2020. p. 661-669. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-36628-5_65. Disponível em: http://repositorio.ipen.br/handle/123456789/31858. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
-
SANTANA, JULYANA G.
; ORTIZ, ANGEL
; OLIVEIRA, RENE R.
; RANGARI, VIJAY K.; GUVEN, OLGUN; MOURA, ESPERIDIANA A.B.
. Mechanical, thermal, morphology and barrier properties of flexible film based on polyethylene-ethylene vinyl alcohol blend reinforced with graphene oxide.
In: IKHMAYIES, SHADIA (Ed.); LI, BOWEN (Ed.); CARPENTER, JOHN S. (Ed.); LI, JIAN (Ed.); HWANG, JIANN-YANG (Ed.); MONTEIRO, SERGIO N. (Ed.); FIRRAO, DONATO (Ed.); ZHANG, MINGMING (Ed.); PENG, ZHIWEI (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); BAI, CHENGUANG (Ed.); KALAY, YUNUS E. (Ed.); GOSWAMI, RAMASIS (Ed.); KIM, JEONGGUK (Ed.).
Characterization of Minerals, Metals, and Materials.
Gewerbestrasse, Switzerland: Springer International Publishing AG.,
2017.
p. 49-57,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-319-51382-9_7
Abstract:
Ethylene-vinyl alcohol (EVOH) copolymers are widely used in the food packaging industry as gas barrier properties to oxygen, organic solvents, and food aromas. EVOH is very sensitive to moisture and its gas barrier ability deteriorates in high relative humidity conditions. This work aims to prepare flexible films based on melt-blending high density polyethylene (HDPE) and ethylene-vinyl alcohol (HDPE/EVOH/EVA blend) reinforced with graphene oxide (GO). The HDPE/EVOH/EVA/GO flexible films were prepared by twin-screw extrusion and blown film extrusion processing. The flexible films samples were characterized by tensile tests, TG, DSC and FE-SEM analysis and the correlation between properties was discussed. In addition, the oxygen permeability tests were performed at 23 °C, 0 and 90% relative humidity using an OX-TRAN (MOCON Inc.).
Palavras-Chave: packaging; food industry; alcohols; ethylene; copolymers
. Mechanical, thermal, morphology and barrier properties of flexible film based on polyethylene-ethylene vinyl alcohol blend reinforced with graphene oxide. In: IKHMAYIES, SHADIA (ed.); LI, BOWEN (ed.); CARPENTER, JOHN S. (ed.); LI, JIAN (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); FIRRAO, DONATO (ed.); ZHANG, MINGMING (ed.); PENG, ZHIWEI (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); BAI, CHENGUANG (ed.); KALAY, YUNUS E. (ed.); GOSWAMI, RAMASIS (ed.); KIM, JEONGGUK (ed.). Characterization of Minerals, Metals, and Materials. Gewerbestrasse, Switzerland: Springer International Publishing AG., 2017. p. 49-57. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-319-51382-9_7. Disponível em: http://repositorio.ipen.br/handle/123456789/29215. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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BRIGGS, EXAMPLE; MOURA, ESPERIDIANA A.B. de
; FURUSAWA, HELIO A.
; COTRIM, MARYCEL E.B.
; OGUZIE, EMEKA E.; LUGAO, ADEMAR B.
. Microplastics: a novel method for surfacewater sampling and sample extraction in Elechi Creek, Rivers State, Nigeria.
In: LI, BOWEN (Ed.); LI, JIAN (Ed.); IKHMAYIES, SHADIA (Ed.); ZHANG, MINGMING (Ed.); KALAY, YUNUS E. (Ed.); CARPENTER, JOHN S. (Ed.); HWANG, JIANN-YANG (Ed.); MONTEIRO, SERGIO N. (Ed.); BAI, CHENGUANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); SPENA, PASQUALE R. (Ed.); GOSWAMI, RAMASIS (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2019.
p. 269-281,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-05749-7_27
Abstract:
The geometric increase in the production and exploitation of plastics
worldwide has several advantages as well as disadvantages due to the mismanagement
of plastic waste. These waste products find its way into the aquatic body.
Microplastics are plastic particles with its longest diameter less than or equal to
5 mm. Their microscopic nature, irregular color and morphology have made their
extraction from the buoyant organic materials problematic. This work documents for
the first time, the sampling and sample extraction of microplastics in Nigeria. An optimized
sampling and sample extraction protocol for surfacewaterwas developed. The
extraction protocolwas developed in a laboratory study using a simulated sample that
mimics the environmental sample (microplastics+organic materials). A micronized
LDPE (<300 μm) was used for the study and yielded a percentage recovery rate
of 82%. The digested microplastics which were subjected to SEM analysis showed
a slight change in the surface morphology. Thereafter, the environmental sample
was extracted using the developed laboratory protocol and a high positive result was
achieved. This protocol improved NOAA’s method of extraction by excluding the
use of microscope for the final extraction, which, of course, will yield a biased result.
This was achieved by the addition of ethanol to the final solution.
Palavras-Chave: plastics; pollutants; water pollution; microstructure; sampling; africa; rivers; separation processes; densimeters; plankton; nanoparticles; wet oxidation processes; peroxides; sample preparation; ethanol; scanning electron microscopy
. Microplastics: a novel method for surfacewater sampling and sample extraction in Elechi Creek, Rivers State, Nigeria. In: LI, BOWEN (ed.); LI, JIAN (ed.); IKHMAYIES, SHADIA (ed.); ZHANG, MINGMING (ed.); KALAY, YUNUS E. (ed.); CARPENTER, JOHN S. (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); BAI, CHENGUANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); SPENA, PASQUALE R. (ed.); GOSWAMI, RAMASIS (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2019. p. 269-281. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-05749-7_27. Disponível em: http://repositorio.ipen.br/handle/123456789/29842. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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COIADO, RENATA D.S.
; LAZO, GISELE D.
; OLIVEIRA, RENE R.
; RODRIGUES, RITA C.L.B.; MOURA, ESPERIDIANA A.B.
. Polymer blend based on recycled polyethylene and ethylene vinyl acetate copolymers reinforced with natural fibers from agricultural wastes.
In: IKHMAYIES, SHADIA (Ed.); LI, BOWEN (Ed.); CARPENTER, JOHN S. (Ed.); LI, JIAN (Ed.); HWANG, JIANN-YANG (Ed.); MONTEIRO, SERGIO N. (Ed.); FIRRAO, DONATO (Ed.); ZHANG, MINGMING (Ed.); PENG, ZHIWEI (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); BAI, CHENGUANG (Ed.); KALAY, YUNUS E. (Ed.); GOSWAMI, RAMASIS (Ed.); KIM, JEONGGUK (Ed.).
Characterization of Minerals, Metals, and Materials.
Gewerbestrasse, Switzerland: Springer International Publishing AG.,
2017.
p. 689-697,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-319-51382-9_76
Abstract:
Agricultural residues, which are produced with large quantities annually throughout the world, may be used as reinforcement plastic to replace the wood and produce particleboard for application in the development of low cost construction elements and reduced environmental impact. The main aims of this study was to investigate the effects of agricultural wastes and glass residues addition on the properties of recycled-HDPE/EVA blend for use in particleboard manufacture. The recycled-HDPE/EVA blend reinforced with corncob fiber (15 wt%), coffee parchment (15 wt%) and glass residues (1 wt%) were processed by melt extrusion, using a twin screw extruder and injection molding machine to obtain specimen test samples. The samples were characterized by mechanical test, XRD, TG, DSC, and FE-SEM analysis to understand the nature of interaction between the fillers reinforcement and recycled-HDPE/EVA blend matrix and their properties were discussed.
Palavras-Chave: polymers; plastics; agricultural wastes; glass; recycling; waste processing; mechanical tests
. Polymer blend based on recycled polyethylene and ethylene vinyl acetate copolymers reinforced with natural fibers from agricultural wastes. In: IKHMAYIES, SHADIA (ed.); LI, BOWEN (ed.); CARPENTER, JOHN S. (ed.); LI, JIAN (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); FIRRAO, DONATO (ed.); ZHANG, MINGMING (ed.); PENG, ZHIWEI (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); BAI, CHENGUANG (ed.); KALAY, YUNUS E. (ed.); GOSWAMI, RAMASIS (ed.); KIM, JEONGGUK (ed.). Characterization of Minerals, Metals, and Materials. Gewerbestrasse, Switzerland: Springer International Publishing AG., 2017. p. 689-697. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-319-51382-9_76. Disponível em: http://repositorio.ipen.br/handle/123456789/29220. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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ACHUSIM-UDENKO, AMAUCHE C.; RENATA, COIDA D.S.; VALENZUELA-DIAZ, FRANCISCO R.; ONYEDIKA, GERALD O.; MOURA, ESPERIDIANA A.B.
; OGWUEGBU, MARTIN C.; VALENZUELA-DIAZ, GRACA. Preparation and characterization of clay exfoliation and vegetal fibre on properties of recycled low density polyethylene.
In: IKHMAYIES, SHADIA (Ed.); LI, BOWEN (Ed.); CARPENTER, JOHN S. (Ed.); LI, JLAN (Ed.); HWANG, JIANN-YANG (Ed.); MONTEIRO, SERGIO N. (Ed.); FIRRAO, DONATO (Ed.); ZHANG, MINGMING (Ed.); PENG, ZHIWEI (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); BAI, CHENGUANG (Ed.); KALAY, YUNUS E. (Ed.); GOSWAMI, RAMASIS (Ed.); KIM, JEONGGUK (Ed.).
Characterization of Minerals, Metals, and Materials.
Gewerbestrasse, Switzerland: Springer International Publishing AG.,
2017.
p. 429-437,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-319-51382-9_47
Abstract:
This work aims to incorporate Mgbee clay, vegetal fibre ( Costus afer ) in recycled low density polyethylene (rLDPE). The incorporation of clay and vegetal fibre in rLDPE was carried out using a twin screw extruder machine and the nano composites were obtained. The nano composites were characterized by the Young’s modules test, tensile tests, bending test, XRD, SEM, DSC, and TG and other properties evaluated. The results of morphological and thermal properties showed a good interaction between the clay, and rLDPE as compared to neat rLDPE.
Palavras-Chave: polyethylenes; recycling; nanocomposites; fibers
. Preparation and characterization of clay exfoliation and vegetal fibre on properties of recycled low density polyethylene. In: IKHMAYIES, SHADIA (ed.); LI, BOWEN (ed.); CARPENTER, JOHN S. (ed.); LI, JLAN (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); FIRRAO, DONATO (ed.); ZHANG, MINGMING (ed.); PENG, ZHIWEI (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); BAI, CHENGUANG (ed.); KALAY, YUNUS E. (ed.); GOSWAMI, RAMASIS (ed.); KIM, JEONGGUK (ed.). Characterization of Minerals, Metals, and Materials. Gewerbestrasse, Switzerland: Springer International Publishing AG., 2017. p. 429-437. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-319-51382-9_47. Disponível em: http://repositorio.ipen.br/handle/123456789/29221. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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CORREIA, SABRINA A.; CRUZ, PEDRO V.
; RODRIGUES, TASSON C.; MONTEIRO, ALEX
; DIAZ, FRANCISCO R.V.; MOURA, ESPERIDIANA A.B.
. Production and characterization of a hybrid composite of polypropylene reinforced with piassava (Attalea funifera Martius) fiber and light green clay.
In: LI, BOWEN (Ed.); LI, JIAN (Ed.); IKHMAYIES, SHADIA (Ed.); ZHANG, MINGMING (Ed.); KALAY, YUNUS E. (Ed.); CARPENTER, JOHN S. (Ed.); HWANG, JIANN-YANG (Ed.); MONTEIRO, SERGIO N. (Ed.); BAI, CHENGUANG (Ed.); ESCOBEDO-DIAZ, JUAN P. (Ed.); SPENA, PASQUALE R. (Ed.); GOSWAMI, RAMASIS (Ed.).
Characterization of Minerals, Metals, and Materials.
Cham, CZ, Switzerland: Springer Nature Switzerland AG,
2019.
p. 735-746,
(The Minerals, Metals & Materials Series).
DOI:
10.1007/978-3-030-05749-7_74
Abstract:
Waste materials have been frequently used as reinforcing materials, to
obtain a composite with better properties. Piassava palm is native to the state of Bahia
(Brazil) and its fiber, piassava fiber (PF) is awaste material frequently used for industrial
and domestic brooms, industrial brushes, carpets, and roofs. The light green clay
(LGC) is a natural smectite Brazilian clay from the state of Paraiba. This work aims
to produce and evaluate the advantages of this new product achieved by the inclusion
of these two natural materials into polypropylene (PP) matrix. A melting extrusion
process, using a twin-screw extruder and injection molding machine was used to
obtain PP/LGC (97/3 wt%), PP/PF (90/10 wt%) and PP/LGC/PF (87/3/10 wt%)
composites. The materials were characterized by mechanical tests, TG, DSC, SEM,
and XRD analysis.
Palavras-Chave: polypropylene; fibers; composite materials; clays
. Production and characterization of a hybrid composite of polypropylene reinforced with piassava (Attalea funifera Martius) fiber and light green clay. In: LI, BOWEN (ed.); LI, JIAN (ed.); IKHMAYIES, SHADIA (ed.); ZHANG, MINGMING (ed.); KALAY, YUNUS E. (ed.); CARPENTER, JOHN S. (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); BAI, CHENGUANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); SPENA, PASQUALE R. (ed.); GOSWAMI, RAMASIS (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2019. p. 735-746. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-05749-7_74. Disponível em: http://repositorio.ipen.br/handle/123456789/29853. Acesso em: $DATA.Como referenciar este itemEsta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.
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A pesquisa no RD utiliza os recursos de busca da maioria das bases de dados. No entanto algumas dicas podem auxiliar para obter um resultado mais pertinente.
✔ É possível efetuar a busca de um autor ou um termo em todo o RD, por meio do Buscar no Repositório , isto é, o termo solicitado será localizado em qualquer campo do RD. No entanto esse tipo de pesquisa não é recomendada a não ser que se deseje um resultado amplo e generalizado.
✔ A pesquisa apresentará melhor resultado selecionando um dos filtros disponíveis em Navegar
✔ Os filtros disponíveis em Navegar tais como: Coleções, Ano de publicação, Títulos, Assuntos, Autores, Revista, Tipo de publicação são autoexplicativos. O filtro, Autores IPEN apresenta uma relação com os autores vinculados ao IPEN; o ID Autor IPEN diz respeito ao número único de identificação de cada autor constante no RD e sob o qual estão agrupados todos os seus trabalhos independente das variáveis do seu nome; Tipo de acesso diz respeito à acessibilidade do documento, isto é , sujeito as leis de direitos autorais, ID RT apresenta a relação dos relatórios técnicos, restritos para consulta das comunidades indicadas.
A opção Busca avançada utiliza os conectores da lógica boleana, é o melhor recurso para combinar chaves de busca e obter documentos relevantes à sua pesquisa, utilize os filtros apresentados na caixa de seleção para refinar o resultado de busca. Pode-se adicionar vários filtros a uma mesma busca.
Exemplo:
Buscar os artigos apresentados em um evento internacional de 2015, sobre loss of coolant, do autor Maprelian.
Autor: Maprelian
Título: loss of coolant
Tipo de publicação: Texto completo de evento
Ano de publicação: 2015
✔ Para indexação dos documentos é utilizado o Thesaurus do INIS, especializado na área nuclear e utilizado em todos os países membros da International Atomic Energy Agency – IAEA , por esse motivo, utilize os termos de busca de assunto em inglês; isto não exclui a busca livre por palavras, apenas o resultado pode não ser tão relevante ou pertinente.
✔ 95% do RD apresenta o texto completo do documento com livre acesso, para aqueles que apresentam o 
significa que e o documento está sujeito as leis de direitos autorais, solicita-se nesses casos contatar a Biblioteca do IPEN,
[email protected]
.
✔ Ao efetuar a busca por um autor o RD apresentará uma relação de todos os trabalhos depositados no RD. No lado direito da tela são apresentados os coautores com o número de trabalhos produzidos em conjunto bem como os assuntos abordados e os respectivos anos de publicação agrupados.
✔ O RD disponibiliza um quadro estatístico de produtividade, onde é possível visualizar o número dos trabalhos agrupados por tipo de coleção, a medida que estão sendo depositados no RD.
✔ Na página inicial nas referências são sinalizados todos os autores IPEN, ao clicar nesse símbolo será aberta uma nova página correspondente à aquele autor – trata-se da página do pesquisador.
✔ Na página do pesquisador, é possível verificar, as variações do nome, a relação de todos os trabalhos com texto completo bem como um quadro resumo numérico; há links para o Currículo Lattes e o Google Acadêmico ( quando esse for informado).
ATENÇÃO!
ESTE TEXTO "AJUDA" ESTÁ SUJEITO A ATUALIZAÇÕES CONSTANTES, A MEDIDA QUE NOVAS FUNCIONALIDADES E RECURSOS DE BUSCA FOREM SENDO DESENVOLVIDOS PELAS EQUIPES DA BIBLIOTECA E DA INFORMÁTICA.
O gerenciamento do Repositório está a cargo da Biblioteca do IPEN. Constam neste RI, até o presente momento 20.950 itens que tanto podem ser artigos de periódicos ou de eventos nacionais e internacionais, dissertações e teses, livros, capítulo de livros e relatórios técnicos. Para participar do RI-IPEN é necessário que pelo menos um dos autores tenha vínculo acadêmico ou funcional com o Instituto. Nesta primeira etapa de funcionamento do RI, a coleta das publicações é realizada periodicamente pela equipe da Biblioteca do IPEN, extraindo os dados das bases internacionais tais como a Web of Science, Scopus, INIS, SciElo além de verificar o Currículo Lattes. O RI-IPEN apresenta também um aspecto inovador no seu funcionamento. Por meio de metadados específicos ele está vinculado ao sistema de gerenciamento das atividades do Plano Diretor anual do IPEN (SIGEPI). Com o objetivo de fornecer dados numéricos para a elaboração dos indicadores da Produção Cientifica Institucional, disponibiliza uma tabela estatística registrando em tempo real a inserção de novos itens. Foi criado um metadado que contém um número único para cada integrante da comunidade científica do IPEN. Esse metadado se transformou em um filtro que ao ser acionado apresenta todos os trabalhos de um determinado autor independente das variáveis na forma de citação do seu nome.
A elaboração do projeto do RI do IPEN foi iniciado em novembro de 2013, colocado em operação interna em julho de 2014 e disponibilizado na Internet em junho de 2015. Utiliza o software livre Dspace, desenvolvido pelo Massachusetts Institute of Technology (MIT). Para descrição dos metadados adota o padrão Dublin Core. É compatível com o Protocolo de Arquivos Abertos (OAI) permitindo interoperabilidade com repositórios de âmbito nacional e internacional.
1. Portaria IPEN-CNEN/SP nº 387, que estabeleceu os princípios que nortearam a criação do RDI, clique aqui.
2. A experiência do Instituto de Pesquisas Energéticas e Nucleares (IPEN-CNEN/SP) na criação de um Repositório Digital Institucional – RDI, clique aqui.
O Repositório Digital do IPEN é um equipamento institucional de acesso aberto, criado com o objetivo de reunir, preservar, disponibilizar e conferir maior visibilidade à Produção Científica publicada pelo Instituto, desde sua criação em 1956.
Operando, inicialmente como uma base de dados referencial o Repositório foi disponibilizado na atual plataforma, em junho de 2015. No Repositório está disponível o acesso ao conteúdo digital de artigos de periódicos, eventos, nacionais e internacionais, livros, capítulos, dissertações, teses e relatórios técnicos.
A elaboração do projeto do RI do IPEN foi iniciado em novembro de 2013, colocado em operação interna em julho de 2014 e disponibilizado na Internet em junho de 2015. Utiliza o software livre Dspace, desenvolvido pelo Massachusetts Institute of Technology (MIT). Para descrição dos metadados adota o padrão Dublin Core. É compatível com o Protocolo de Arquivos Abertos (OAI) permitindo interoperabilidade com repositórios de âmbito nacional e internacional.
O gerenciamento do Repositório está a cargo da Biblioteca do IPEN. Constam neste RI, até o presente momento 20.950 itens que tanto podem ser artigos de periódicos ou de eventos nacionais e internacionais, dissertações e teses, livros, capítulo de livros e relatórios técnicos. Para participar do RI-IPEN é necessário que pelo menos um dos autores tenha vínculo acadêmico ou funcional com o Instituto. Nesta primeira etapa de funcionamento do RI, a coleta das publicações é realizada periodicamente pela equipe da Biblioteca do IPEN, extraindo os dados das bases internacionais tais como a Web of Science, Scopus, INIS, SciElo além de verificar o Currículo Lattes. O RI-IPEN apresenta também um aspecto inovador no seu funcionamento. Por meio de metadados específicos ele está vinculado ao sistema de gerenciamento das atividades do Plano Diretor anual do IPEN (SIGEPI). Com o objetivo de fornecer dados numéricos para a elaboração dos indicadores da Produção Cientifica Institucional, disponibiliza uma tabela estatística registrando em tempo real a inserção de novos itens. Foi criado um metadado que contém um número único para cada integrante da comunidade científica do IPEN. Esse metadado se transformou em um filtro que ao ser acionado apresenta todos os trabalhos de um determinado autor independente das variáveis na forma de citação do seu nome.