Structure and properties of tough starch modified with rubber-based polyurethane microparticles

被引：1

作者：

Weng, Fangqing ^{[1
,2
]}

Dou, Xiaoya ^{[2
]}

Deng, Yinghua ^{[1
]}

Wang, Liangjie ^{[1
]}

Zhou, Shiyi ^{[1
]}

Wu, Qiangxian ^{[2
]}

Zhang, Yu ^{[1
]}

机构：

[1] Hubei Univ Educ, Coll Chem & Life Sci, Wuhan 430205, Peoples R China

[2] Cent China Normal Univ, Coll Chem, Green Polymer Lab, Wuhan, Peoples R China

来源：

JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS | 2020年 / 33卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Starch; styrene-butadiene rubber diol; polyurethane; toughness; compatibility;

D O I：

10.1177/0892705718812558

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

We prepared a novel covalent rubber-based polyurethane/starch composites material via a simple and effective method. Infrared, scanning electron microscopic, and mechanical tests demonstrated that polyurethane microparticles showed good compatibility with starch as the polyurethane content increases. This is mainly because of the urethane bond newly formed by -OH in starch and -NCO in rubber-based polyurethane. And when the rubber-based polyurethane content increased from 20% to 30%, its elongation at break improved by 116.9%. CPB30 showed excellent hydrophobicity and toughness, which showed potential application.

引用

页码：817 / 827

页数：11

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