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Rodrigues, Francisco H.A.; Lopes, Gabriel V.; Pereira, Antonio G.B.; Fajardo, Andre R.; Muniz, Edvani C.
Associacao Brasileira de Polimeros (ABPol), Sao Carlos, SP (Brazil)2011
Associacao Brasileira de Polimeros (ABPol), Sao Carlos, SP (Brazil)2011
AbstractAbstract
[en] According to environmental concerns, super absorbent hydrogel composites were synthesized based on rice husk ash (RHA), an industrial waste, and Chitosan-graft-poly(acrylic acid). The WAXS and FTIR data confirmed the syntheses of hydrogel composites. The effect of crystalline or amorphous RHA on water uptake was investigated. It was found that the RHA in crystalline form induces higher water capacity (Weq) of composites hydrogels due to the fact that the intra-interactions among silanol groups on RHA make available new sites in the polymer matrix, which could interact to water. (author)
Original Title
Sintese e caracterizacao de hidrogeis compositos de cinza da casca de arroz e quitosana enxertada com poli(acido acrilico)
Source
2011; 6 p; 11. Brazilian congress on polymers; 11. Congresso brasileiro de polimeros; Campos do Jordao, SP (Brazil); 16-20 Oct 2011
Record Type
Miscellaneous
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Conference
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AMINES, CARBOHYDRATES, CEREALS, COLLOIDS, COMBUSTION PRODUCTS, DEFORMATION, DISPERSIONS, ELECTROMAGNETIC RADIATION, EXPANSION, GELS, GRAMINEAE, IONIZING RADIATIONS, LILIOPSIDA, MAGNOLIOPHYTA, MUCOPOLYSACCHARIDES, ORGANIC COMPOUNDS, PLANTS, POLYSACCHARIDES, RADIATIONS, RESIDUES, SACCHARIDES, SPECTRA, SPECTROSCOPY
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