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| 1. |  | PERNA JR, F.; MARINO, C. T.; PINEDO, L. A.; CASSIANO, E. C. O.; MARTINS, M. F.; SOLÓRZANO, L. A. R.; MEYER, P. M.; FRIGHETTO, R. T. S.; BERNDT, A.; RODRIGUES, P. H. M. Effect of Feed additives on methane production as determined by the tracer technique SF6 in bovines. In: INTERNATIONAL CONFERENCE ON SUSTAINABLE ANIMAL AGRICULTURE FOR DEVELOPING COUNTRIES, 4., 2013, Lanzhou, China. Proceedings... lanzhou: Lanzanhou University, 2013. p. 358-359| Biblioteca(s): Embrapa Pecuária Sudeste. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
31/03/2017 |
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Data da última atualização: |
24/04/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
KUMODE, M. M. N.; BOLZON DE MUNIZ, G. I.; MAGALHAES, W. L. E.; KESTUR, S. G. |
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Afiliação: |
MARINA MIEKO NISHIDATE KUMODE, Pontifícia, Universidade Católica; GRACIELA I. MUNIZ BOLZON, Departamento de Engenharia e Tecnologia Florestal, UFPR; WASHINGTON LUIZ ESTEVES MAGALHAES, CNPF; SATYANARAYANA G. KESTUR, Poornaprajna Institute of Scientific Research (PPISR). |
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Título: |
Microfibrillated nanocellulose from balsa tree as potential reinforcement in the preparation of 'green' composites with castor seed cake. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Journal of Cleaner Production, v. 149, p. 1157-1163, Apr. 2017. |
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DOI: |
http://dx.doi.org/10.1016/j.jclepro.2017.02.083 |
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Idioma: |
Inglês |
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Conteúdo: |
The search for and development of eco-friendly materials such as 'green' composites results from twin issues of sustainability and ?environmental impact?. Towards achieving this goal, the use of industrial residues such as plant fibers as reinforcement along with natural polymers has been yielding good results. However, due to limitations of industrial uptake of these materials in structural applications, reducing the size of fibers below the normal micro level offers advantages because of the improved behavior and functionality exhibited by the nano-sized cellulosic fibrous materials. Considering successful previous efforts to develop biodegradable composites using castor seed cake, this paper focuses on the possibility of developing ?green? composites using this material as matrix and nanocellulose prepared from balsa tree as reinforcement. The preparation of nanofibrillar cellulose through mechanical fibrillation and its characterization as well as preparation of nanocomposites by thermo-molding with a matrix plasticized by glycerin are presented. The incorporation of nanocellulose resulted in increased flexural modulus, swelling thickness, and water absorption with increasing addition of nanocellulose, while both apparent density and flexural strength remained unchanged. The observed properties are discussed based on fractographic studies. |
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Palavras-Chave: |
Flexural strength; Nanocompósito; Tecnologia sustentável; Thermo-molding. |
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Thesaurus NAL: |
castor bean cake; Nanocomposites; Sustainable technology. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02228naa a2200253 a 4500
001 2067968
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008 2017 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1016/j.jclepro.2017.02.083$2DOI
100 1 $aKUMODE, M. M. N.
245 $aMicrofibrillated nanocellulose from balsa tree as potential reinforcement in the preparation of 'green' composites with castor seed cake.$h[electronic resource]
260 $c2017
520 $aThe search for and development of eco-friendly materials such as 'green' composites results from twin issues of sustainability and ?environmental impact?. Towards achieving this goal, the use of industrial residues such as plant fibers as reinforcement along with natural polymers has been yielding good results. However, due to limitations of industrial uptake of these materials in structural applications, reducing the size of fibers below the normal micro level offers advantages because of the improved behavior and functionality exhibited by the nano-sized cellulosic fibrous materials. Considering successful previous efforts to develop biodegradable composites using castor seed cake, this paper focuses on the possibility of developing ?green? composites using this material as matrix and nanocellulose prepared from balsa tree as reinforcement. The preparation of nanofibrillar cellulose through mechanical fibrillation and its characterization as well as preparation of nanocomposites by thermo-molding with a matrix plasticized by glycerin are presented. The incorporation of nanocellulose resulted in increased flexural modulus, swelling thickness, and water absorption with increasing addition of nanocellulose, while both apparent density and flexural strength remained unchanged. The observed properties are discussed based on fractographic studies.
650 $acastor bean cake
650 $aNanocomposites
650 $aSustainable technology
653 $aFlexural strength
653 $aNanocompósito
653 $aTecnologia sustentável
653 $aThermo-molding
700 1 $aBOLZON DE MUNIZ, G. I.
700 1 $aMAGALHAES, W. L. E.
700 1 $aKESTUR, S. G.
773 $tJournal of Cleaner Production$gv. 149, p. 1157-1163, Apr. 2017.
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