Blends of LDPE/chitosan using epoxy-functionalized LDPE as compatibilizer

被引:24
|
作者
Prasanna, K. [2 ]
Sailaja, R. R. N. [1 ]
机构
[1] Energy & Resources Inst, EET Energy Environm Technol Div, Bangalore 560071, Karnataka, India
[2] VIT Univ, Sch Mech & Bldg Sci, Vellore 632014, Tamil Nadu, India
关键词
LDPE; chitosan; compatibilizer; thermal and mechanical properties; LOW-DENSITY POLYETHYLENE; TAPIOCA STARCH BLENDS; MECHANICAL-PROPERTIES; CHITOSAN; BIOPOLYMER; FILMS; POLYPROPYLENE; STORAGE; OXIDE); HDPE;
D O I
10.1002/app.35262
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
LDPE and chitosan blends were prepared using an epoxy-functionalized polyethylene as compatibilizing agent for improving interfacial adhesion. Compatibilization improved both tensile and flexural properties (with values approaching close to that of neat LDPE) when compared with that of uncompatibilized blends. However, the elongation at break reduced due to the addition of rigid chitosan. Thermogravimetric analysis showed a two-stage degradation, while differential scanning calorimetry exhibited reduced crystallinity for compatibilized blends. Biodegradation studies revealed increased biodegradability with increase in chitosan loading. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
引用
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页码:3264 / 3275
页数:12
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