Starch nano-biocomposites based on needle-like sepiolite clays

被引：106

作者：

Chivrac, Frederic ^{[1
]}

Pollet, Eric ^{[1
]}

Schmutz, Marc ^{[2
]}

Averous, Luc ^{[1
]}

机构：

[1] Univ Strasbourg, LIPHT ECPM, F-67087 Strasbourg 2, France

[2] Univ Strasbourg, ICS, UPR 22, F-67034 Strasbourg, France

来源：

CARBOHYDRATE POLYMERS | 2010年 / 80卷 / 01期

关键词：

Nanocomposites; Plasticized starch; Sepiolite; SORBITOL PLASTICIZED STARCH; MECHANICAL-PROPERTIES; NANOCOMPOSITES;

D O I：

10.1016/j.carbpol.2009.11.004

中图分类号：

O69 [应用化学];

学科分类号：

070301 [无机化学];

摘要：

This paper reports the successful elaboration and Study of plasticized starch nano-biocomposites elaborated with needle-shaped nanofillers, namely natural sepiolite (SEP-Na) and sepiolite organo-modified with cationic starch (OSEP-CS). The transmission electronic microscopy has highlighted a well-nanodispersed morphology with almost individual sepiolite needles. It has been shown that different micro/nano-structurations are obtained with the variation of the cationic starch content. Depending oil its concentration, it could act as a flocculating agent or a compatibilizer. Finally, uniaxial tensile tests have evidenced the interest in using sepiolite nanofillers to tune the plasticized starch properties. even in comparison with the more common montmorillonite-based nano-biocomposites. Thanks to these needle-shaped nanofillers, the material stiffness is increased without decreasing its properties at break. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：145 / 153

页数：9

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