Perfluoro-4-methyl-1,3-dioxole:: a new monomer for high-Tg amorphous fluoropolymers

被引:19
|
作者
Russo, A [1 ]
Navarrini, W [1 ]
机构
[1] Solvay Solexis, R&D Ctr, I-20021 Bollate, MI, Italy
关键词
bis(fluoroxy)difluoromethane; reactivity; synthesis; chlorofluoro propenes; isomerization; dioxolanes; perfluorodioxoles;
D O I
10.1016/j.jfluchem.2003.10.009
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A 4-Chloro-5-trifluoromethyl-2,2,4-trifluoro-1,3-dioxolane (1) was synthesised by reaction of CF2(OF)(2) with CF3-CH=CFCl; the elimination of HCl from (1) in basic conditions led to the formation of dioxole perfluoro-4-methyl-1,3-dioxole (2). Both these synthetic steps gave the corresponding product in high yield. A new synthetic route for the preparation of CF3-CH=CFCl, starting from CF2ClBr and CH2=CF2, together with some examples of polymerisation products obtained by reaction of dioxole (2) with fluoroolefins are also reported. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:73 / 78
页数:6
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