共混合金力学性能的研究 Ⅱ.CPE,ACR对PVC共混体系力学性能的影响  

STUDY ON THE MECHANICAL BEHAVIOR OF PVC ALLOYS Ⅱ.EFFECT OF CPE, ACR ON THE MECHANICAL BEHAVIOR OF PVC ALLOYS

作　　者：张宇东[1] 金日光[1] 

机构地区：[1]北京化工大学高分子材料国家重点学科点

出　　处：《高分子材料科学与工程》1998年第5期64-66,71,共4页Polymer Materials Science & Engineering

基　　金：国家自然科学基金;国家计委;化工部"八五"重点攻关项目

摘　　要：在上文的基础上，对ＰＶＣ／ＣＰＥ／ＰＰ和ＰＶＣ／ＡＣＲ／ＰＰ三元共混体系的力学性能进行研究。结果表明，随着ＣＰＥ或ＡＣＲ用量的增加，不但共混合金的冲击强度增加，而且共混合金由刚性体ＰＰ增韧时所产生的最大值的幅度也有所提高，其趋势是ＣＰＥ或ＡＣＲ用量越多，产生最大值时刚性体分散相ＰＰ所需的量越多，同时冲击强度最大值增加的幅度也越大。ＰＰ对共混合金无增强作用，ＡＣＲ对共混合金拉伸强度和断裂伸长率的影响比ＣＰＥ的大。Based on the PVC/PP alloys, the mechnaical behavior of PVC/CPE/PP and PVC/ACR/PP was studied in details. When CPE or ACR was incorporated into PVC/PP system, the PVC blends would had a maximal notched charpy impact strength at certain content of PP. The impact strength and the maximal impact strength of PVC alloys all increase as the content of CPE or ACR increasing. It is shown that the CPE or ACR acts on both compatibility and toughening agent in this PVC alloys. The tensile yield strength and rupture elongation of PVC alloys decrease as the content of PP increasing.

关 键 词：共混合金 增容剂 增韧剂 冲击强度 高聚物 

分 类 号：O631.21[理学—高分子化学] TQ317.5[理学—化学]