Effects of Benzene-1,3,5-Tricarboxylate Salts on Crystallization and Melting Behaviors of Isotactic Polypropylene

被引：0
|
作者：
Zhang, Yue-fei [1 ]
Luo, Xian-zu [1 ]
机构：
[1] Changsha Univ Sci & Technol, Sch Chem & Biol Engn, Hunan Prov Key Lab Mat Protect Elect Power & Tran, Changsha 410114, Hunan, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON BIOLOGICAL, MEDICAL AND CHEMICAL ENGINEERING (BMCE 2013) | 2013年
关键词：
Polypropylene; Nucleating agent; Benzene-1,3,5-tricarboxylate salts; Crystallization; NUCLEATING-AGENT;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Crystallization and melting behaviors of isotactic polypropylene (iPP) nucleated with metal salts of benzene-1,3,5-tricarboxylic acid (BTC) were investigated with differential scanning calorimeter (DSC). The results showed that calcium salt (Ca-BTC), potassium salt (K-BTC) and sodium salt (Na-BTC) had good nucleation effects. With incorporating 0.25wt% of Ca-BTC, K-BTC or Na-BTC into iPP, the crystallization peak temperature of iPP was increased by 7.9, 7.2 and 6.5 degrees C respectively, and the nucleation efficiency of the said three nucleating agents was close to that of HPN-68, so that the articles had fewer deflection in molding and shorter molding cycle period. But the nucleation efficiency of magnesium salt (Mg-BTC) was medium.
引用
收藏
页码：471 / 475
页数：5
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