ANIONIC-POLYMERIZATION AND COPOLYMERIZATION OF CYCLOSILOXANES INITIATED BY TRIMETHYLSILYLMETHYLLITHIUM

被引：17
|
作者：
YU, JM [1 ]
TEYSSIE, D [1 ]
KHALIFA, RB [1 ]
BOILEAU, S [1 ]
机构：
[1] COLL FRANCE,CNRS,URA 24,CHIM MACROMOLEC LAB,F-75231 PARIS 05,FRANCE
来源：
POLYMER BULLETIN | 1994年 / 32卷 / 01期
关键词：
D O I：
10.1007/BF00297411
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A novel initiator, i.e. trimethylsilylmethyllithium has been successfully used for the ring opening polymerization of cyclosiloxanes, in toluene or in the bulk, in the presence of the cryptand [211] or DMSO. Suitable conditions have been found in which monomodal distributions of molecular weights are observed for homopolymers of 1,3,5,7-tetramethyl-1,3,5,7-tetravinylcyclotetrasiloxane (V-4) as well as for copolymers of V-4 with D-3 or D-4.
引用
收藏
页码：35 / 40
页数：6
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