Reactive blending of thermoplastic starch, epoxidized natural rubber and chitosan

被引：44
|
作者：
Jantanasakulwong, Kittisak [1 ]
Leksawasdi, Noppol [1 ]
Seesuriyachan, Phisit [1 ]
Wongsuriyasak, Somchai [1 ]
Techapun, Charin [1 ]
Ougizawa, Toshiaki [2 ]
机构：
[1] Chiang Mai Univ, Sch Agroind, Fac Agroind, Chiang Mai 50100, Thailand
[2] Tokyo Inst Technol, Dept Chem & Mat Sci, Meguro Ku, 2-12-1-S8-33, Tokyo 1528552, Japan
来源：
EUROPEAN POLYMER JOURNAL | 2016年 / 84卷
关键词：
Thermoplastic starch (TPS); Epoxidized natural rubber (ENR); Chitosan (CTS); Reaction; Epoxy; MORPHOLOGICAL-CHARACTERISTICS; MISCIBILITY; COMPATIBILIZATION; STABILITY; CHITIN;
D O I：
10.1016/j.eurpolymj.2016.09.035
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Thermoplastic starch (TPS) was prepared by melt blending cassava starch and glycerol (70/30) at 140 degrees C. Chitosan (CTS) was incorporated during TPS preparation. The TPS/CTS sample was melt blended with epoxidized natural rubber (ENR) at 140 degrees C. In the TPS/ENR/CTS blend, adding CTS and ENR improved the tensile strength and elongation at break, respectively. Morphology of the TPS/ENR blend showed the dispersion of large sized ENR particles in the TPS matrix. Adding CTS reduced the size of the ENR particles. Incorporating CTS also enhanced the melt viscosity. of the blend, which suggested a reaction between CTS and ENR FTIR confirmed that the amino groups of CTS reacted with the epoxygroups of ENR. This reaction between the CTS amino groups with the ENR epoxy groups improved the mechanical properties of the TPS/ENR/CTS blend. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：292 / 299
页数：8
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