CIESC Journal ›› 2005, Vol. 56 ›› Issue (12): 2342-2345.
Previous Articles Next Articles
JIANG Tao;CHEN Wei;ZHAO Feng;LIU Yuexiang;QIN Xue
Online:
Published:
姜涛;陈伟;赵峰;刘月祥;覃雪
Abstract: The MgCl2/SiO2 complex support was prepared by spray drying using alcoholic suspension which contained MgCl2 and SiO2. The complex support reacted with TiCl4 and di-n-butyl phthalate, give the catalyst for propylene polymerization. The catalyst was spherical and porous with high specific surface area. The multistage polymerization of propylene for high impact propylene was studied with the catalyst system. It was found that the final high impact polypropylene after two stages of reaction was still freeflowing, spherical granules. Homopolypropylene with pore diameter between 100 nm and 10000 nm was suitable for EPR to fill in during ethylene-propylene copolymerization. The high impact polypropylene showed good balance between stiffness and toughness.
Key words: Ziegler-Natta催化剂, Mg/Si载体, 丙烯多段聚合, 抗冲聚丙烯
关键词: Ziegler-Natta催化剂, Mg/Si载体, 丙烯多段聚合, 抗冲聚丙烯
JIANG Tao, CHEN Wei, ZHAO Feng, LIU Yuexiang, QIN Xue. Novel spherical Ziegler-Natta catalyst used in propylene multistage polymerization for high impact polypropylene[J]. CIESC Journal, 2005, 56(12): 2342-2345.
姜涛, 陈伟, 赵峰, 刘月祥, 覃雪. 新型Ziegler-Natta催化剂用于丙烯多段聚合制备抗冲聚丙烯 [J]. 化工学报, 2005, 56(12): 2342-2345.
0 / / Recommend
Add to citation manager EndNote|Ris|BibTeX
URL: https://hgxb.cip.com.cn/EN/
https://hgxb.cip.com.cn/EN/Y2005/V56/I12/2342