摘要
采用ＤＳＣ对ＰＶＣ／ＣＥＶＡ溶液共混物的玻璃化转变进行了研究。结果表明，对ＣＥＶＡ／ＰＶＣ质量比分别为１：９、２：８、４：６、８：２的共混体系，各共混物均分别出现一个明显的玻璃化转变温度，表明ＶＡｃ质量含量为５．９％，但氯含量为５８％的ＣＥＶＡ与ＰＶＣ具有较好的相容性，这是ＣＲ－ＭＭＡ－ＣＥＶＡ接枝共聚物对增塑ＰＶＣ人造革显示出较高粘合性能的主要根源。
In this paper,it attempts to explore a theortical foundation of CR MMA CEVA graft copolymet With a higher adhesion porperty for plasticizing PVC leather .Different mass ratio CEVA/PVC blends were prepared by solvent mixing method and studied their glass transition with DSC techniques.The experimental results show that the blend gives a obverious glass transition temperature respectively for all the test blend compositions,which the mass ratio of CEVA/PVC blends is 1/9,2/8,4,6,8/2.It shows that CEVA of 5.9%(mass)VAc and 58%(mass) chloride content and PVC blends have good compatibility .This is main reason of CR-MMA -CEVA graft coplymer showing excellent adhesion property for PVC leather.
出处
《高分子材料科学与工程》
EI
CAS
CSCD
北大核心
1996年第2期136-138,共3页
Polymer Materials Science & Engineering
关键词
聚氯乙烯
相容性
CEVA
增韧
共混体系
s:PVC,CEVA,blends,compatibility,adhesion mechanism ,CR-MMA-CEVA graft copolymer,adhesion property
