Starch for modification of polymer blends with poly(ethylene-co-vinyl acetate)

被引：0
|
作者：
Suvorova, AI [1 ]
Tyukova, IS [1 ]
Smirnova, EA [1 ]
Toropova, SM [1 ]
Khandojan, VF [1 ]
机构：
[1] Ural State Univ, Dept Chem, Kkaterinburg 620083, Russia
来源：
STARCH: FROM STARCH CONTAINING SOURCES TO ISOLATION OF STARCHES AND THEIR APPPLICATIONS | 2004年
关键词：
biodegradation; starch blends; swelling; water diffusion;
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Poly(ethylene-co-vinyl acetates), EVA, with a different content (from 5 to 25 w%) of the vinyl acetate group (VA) in a macromolecular chain were blended with potato starch in the melt under pressure. Swelling of these blends in liquid water, in water vapor, and biodegradation in a wet soil were determined. Swelling in water and water absorption increased with the content of VA group in copolymer macromolecules and starch in polymer blends. Addition of starch to EVA copolymers promoted biodegradability of the polymer blends that might be used for production of biodegradable materials.
引用
收藏
页码：193 / 202
页数：10
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