山梨糖醇类及有机磷酸盐类成核剂对聚丙烯性能的影响  

Effect of Sorbitol and Organic Phosphate Nucleating Agents on Properties of Polypropylene

作　　者：鲁圣军[1,2] 何敏[1,2] 于杰[2] 张敏敏[2] 

机构地区：[1]贵州大学材料与冶金学院,贵州贵阳550003 [2]国家复合改性聚合物材料工程技术研究中心,贵州贵阳550014

出　　处：《塑料科技》2009年第10期81-83,共3页Plastics Science and Technology

基　　金：国家科技支撑计划课题(2007BAB08B05);贵州省科学基金项目(黔科合J[2008]7001号)

摘　　要：利用力学性能测试、偏光显微镜、光电雾度仪及差热分析仪分别考察了山梨糖醇类成核剂(TM-3)和有机磷酸盐类成核剂(NA-21)对聚丙烯(PP)透明性、结晶性能及力学性能的影响。结果表明:NA-21和TM-3对PP均有明显增透的作用;NA-21比TM-3更能提高PP的结晶温度,而TM-3比NA-21更能提高PP的结晶度;TM-3的加入能明显提高PP的冲击强度,而NA-21的加入能明显提高PP的拉伸强度。The effect of nucleating agent, such as sorbitol （TM-3） and organic phosphate （NA-21）, on the crystallization, transparency and mechanical properties of PP was investigated by DSC, PLM, photoelectricity opacimeter and mechanical properties test. The results show that： both NA-21 and TM-3 have positive effect on the transparency of PP; after the addition of NA-21, the increment of crystallization temperature is bigger and the increment of crystallinity is smaller for PP than those after the addition of TM-3; the addition of TM-3 and NA-21 could increase obviously the impact strength and tensile strength of PP respectively.

关 键 词：聚丙烯 山梨糖醇 有机磷酸盐 成核剂 性能 

分 类 号：TQ325.14[化学工程—合成树脂塑料工业]