PVC/G-POSS共混物的力学性能与热性能  

Mechanical and thermal properties of poly(vinyl chloride)/G-POSS blends

作　　者：杜永刚[1] 高俊刚[1] 董翠芳[1] 

机构地区：[1]河北大学化学与环境科学学院,河北保定071002

出　　处：《合成树脂及塑料》2010年第1期24-26,59,共4页China Synthetic Resin and Plastics

基　　金：河北省自然科学基金项目(E2007000204)

摘　　要：考察了2,3-环氧丙氧乙基笼型倍半硅氧烷(G-POSS)对聚氯乙烯(PVC)共混物力学和热性能的影响。结果表明:加入G-POSS可缩短PVC的塑化时间;100 g PVC中G-POSS用量不超过7 g时共混物的拉伸强度得到提高;加入G-POSS可改善PVC的耐热性能,G-POSS用量为13 g时,共混物的维卡软化温度和初始分解温度分别提高12,27℃。The effect of 2,3-glycidyloxypropyl polyhedral oligomeric silsesquioxanes（G-POSS） on the mechanical and thermal properties of poly（vinyl chloride）（PVC）/G-POSS blends was studied. The results show that the plasticizing time of the blends shortens with the introduction of G-POSS. The tensile strength is enhanced when the mass of G-POSS is less than 7 g per 100 g PVC. The thermal stability is improved, and the Vicar softening point and degradation temperature at beginning increase by 12 and 27 ℃, respectively, in case of 13 phr G-POSS.

关 键 词：聚氯乙烯 笼型倍半硅氧烷 力学性能 热稳定性 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业]