N-苯基马来酰亚胺／甲基丙烯酸甲酯／苯乙烯乳液共聚物与PVC共混的研究

高分子材料科学与工程, 2001, 17(3): 106-109.

N-苯基马来酰亚胺／甲基丙烯酸甲酯／苯乙烯乳液共聚物与PVC共混的研究

杨丽庭 ^1, , 张留成 ^2, , 刘国栋 ^3, , 高俊刚 ^4, , 刘海峰 ^5, , 金日光 ^6,

1.河北大学化学系,

2.河北大学化学系,

3.河北大学化学系,

4.河北大学化学系,

5.河北大学化学系,

6.北京化工大学材料科学与工程学院,

基金项目: 河北省自然科学基金(298122)

关键词： N-苯基马来酰亚胺 , 乳液共聚 , 聚氯乙烯 , 力学性能 , 流变性

STUDY ON THERMAL STABILITY, MECHANICAL PROPERTIES AND RHEOLOGICAL BEHAVIOR OF BLENDS OF POLY (St-PMI-MMA) BLENDED WITH PVC

通过乳液共聚合的方法合成了N-苯基马来酰亚胺／甲基丙烯酸甲酯／苯乙烯三元共聚物,将其与PVC共混得到耐热PVC共混物,研究了共聚物组分含量对PVC共混物的力学性能、流变性的影响,用TBA、TGA对共混物的耐热性进行了表征,同时考察了共混物的微观结构与形态。

Terpolymer of N-Phenylmaleimide(PMI), styrene and methyl methacrylate(MMA) were synthesized by emulsion polymerization. The thermal properties of PVC blendes with terpolymer have been investigated by TGA, TBA and Vicat softening point tester. It shows that the glass transition temperature(Tg) and Vicat softening point of the blends increase with the increasing of terpolymer content. The mechanical properties and rheological behavior were also determined. The results show that the mechanical properties of the blends increase with the increasing of terpolymer content and the rheological behavior decrease with increasing terpolymer content. The compatibility of blend system was also investigated by TBA and SEM.

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