Effect of epoxy functionalized compatibilizer on the mechanical properties of low-density polyethylene/plasticized tapioca starch blends

被引:22
|
作者
Sailaja, RRN [1 ]
Reddy, AP [1 ]
Chanda, M [1 ]
机构
[1] Indian Inst Sci, Dept Chem Engn, Bangalore 560012, Karnataka, India
关键词
poly(ethylene-co-glycidyl methacrylate); epoxy compatibilizer; low-density polyethylene; tapioca starch;
D O I
10.1002/pi.787
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A series of low-density polyethylene (LDPE) blends with varying proportions of plasticized tapioca starch have been used for the study of their mechanical properties. A functionalized epoxy resin, namely, poly(ethylene-co-glycidyl methacrylate) has been used as the compatibilizer. The impact and tensile properties have been measured by standard ASTM methods. The mechanical properties are seen to improve significantly with the addition of the epoxy compatibilizer, approaching values close to those of virgin LDPE. The scanning electron micrographs of the compatibilized blends show ductile failure which evidently contribute to improved mechanical properties. (C) 2001 Society of Chemical Industry.
引用
收藏
页码:1352 / 1359
页数:8
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