Macroligand effect of tungsten catalyst for ring opening metathesis polymerization of dicyclopentadiene

被引：3
|
作者：
Wang, Z [1 ]
Li, H [1 ]
He, BL [1 ]
机构：
[1] Nankai Univ, Inst Polymer Chem, State Key Lab Funct Polymer Mat Adsorpt & Separat, Tianjin 300071, Peoples R China
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2000年 / 159卷 / 01期
基金：
中国国家自然科学基金;
关键词：
ring opening metathesis polymerization; polydicyclopentadiene; macroligand effect;
D O I：
10.1016/S1381-1169(00)00180-1
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The macroligand effect of the catalytic system WCl6-Et2AlCl for ring opening metathesis polymerization (ROMP) of dicyclopentadiene (DCPD) was investigated. The experimental results show that macroligand effect varies with the structure of the ligands. The macroligands bearing benzene group and steric hindered phenolic unit not only can obviously increase the yield of synthesized polydicyclopentadiene (PDCPD) but also improve the synthesized polymer's mechanical properties. The mechanism of macroligand effect is discussed. The synthesized PDCPD was characterized by methods of scanning electron microscopy (SEM) and X-ray diffraction. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：121 / 125
页数：5
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