ALTERNATING COPOLYMERIZATION OF CARBON-MONOXIDE AND ALPHA-OLEFINS

被引：31
|
作者：
CHIEN, JCW
ZHAO, AX
XU, F
机构：
[1] Department of Polymer Science and Engineering, Materials Research Laboratories, University of Massachusetts, Amherst, 01003, MA
来源：
POLYMER BULLETIN | 1992年 / 28卷 / 03期
关键词：
D O I：
10.1007/BF00294828
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Pd++ catalysts with bis(diphenylphosphino)alkane ligand and methanol as coinitiator were found to be very active for the alternating copolymerization of carbon monoxide with propylene, butene-1 and hexene-1. The catalysts with bis(diphenylphosphino) propane and butane have the highest polymerization activities but only modest regiospecificity. The chiral (-)-2,3-0-isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane-Pd catalyst has good activity as well as regioselectivity to produce semi-crystalline CO/propylene alternating copolymer.
引用
收藏
页码：315 / 318
页数：4
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