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PVC/MBS/纳米BaSO_4复合材料的制备及其性能 被引量：9

Preparation and Properties of PVC/MBS/Nano-BaSO_4 Composite
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摘要 采用熔融共混法制备聚氯乙烯(PVC)/甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物(MBS)/纳米重晶石(nano-BaSO4)三元复合材料,考察其力学性能和热稳定性能,并用扫描电镜观察冲击断面的形态。结果表明:MBS与nano-BaSO4可协同增韧PVC;当MBS、nano-BaSO4的含量分别为10%、1%时,材料的韧性和刚性可同时得以改善,其冲击断面表现出典型的韧性断裂特征;热重分析显示添加1%nano-BaSO4可显著提高PVC/MBS的热稳定性能,其第一降解阶段的初始分解温度和最快分解温度分别提高了10℃和14℃。 PVC/MBS/nano-BaSO4 composites were prepared by melt blending. Mechanical properties, thermal stability and morphology of the composites were investigated. PVC can be toughened by nano- BaSO4 particles and MBS. With 10% MBS and 1% nano-BaSO4, the impact strength of the composite is dramatically improved without losing the stiffness of the composite. SEM micrographs show that the fracture mode of PVC/MBS/nano-BaSO4 composites is typical ductile fracture. TGA test illustrates that nano- BaSO4 with a content of 1% is able to improve the thermal stability of PVC/MBS.
作者 徐妍 吴卫生 杨斌
机构地区 上海交通大学化学化工学院
出处 《功能高分子学报》 CAS CSCD 北大核心 2008年第1期55-59,共5页 Journal of Functional Polymers
关键词 聚氯乙烯 甲基丙烯酸甲酯-丁二烯-苯乙烯 纳米重晶石 力学性能 PVC MBS elastomer nano-BaSO4 mechanical property
分类号 TQ032 [化学工程]
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参考文献13

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二级参考文献30

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功能高分子学报
2008年 第1期

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