Fe(2-EHA)3/Al(i-Bu)3/hydrogen phosphite catalyst for preparing syndiotactic 1,2-polybutadiene

被引：28
|
作者：
Lu, J
Hu, YM
Zhang, X [1 ]
Bi, JF
Dong, WM
Jiang, LS
Huang, BT
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, Changchun 130022, Peoples R China
[2] Northeastern Univ, Sch Sci, Shenyang 110006, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2006年 / 100卷 / 05期
关键词：
D O I：
10.1002/app.23270
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Polymerizing 1,3-butadiene into syndiotactic 1,2-polybutadiene with art iron(III) catalyst system has been investigated. Activity of the catalyst was affected by the type of cocatalyst alkylaluminum and the phosphorus compound as an electron donor, molar ratio of catalyst components, and their aging sequence and aging time of the catalyst. The microstructure and configuration of the polymer was decided by the catalyst components, the higher [Al]/[Fe] molar ratio tending to yield syndiotactic 1,2-polybutadiene, while the higher [P]/[Fe] molar ratio favors the formation of amorphous 1,2-polybutadiene. (c) 2006 Wiley Periodicals, Inc.
引用
收藏
页码：4265 / 4269
页数：5
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