申请人:HUNG MING-HONG
公开号:US20100324234A1
公开(公告)日:2010-12-23
Fluorinated copolymers are prepared via copolycondensation polymerization in a process comprising reacting A) a telechelic fluoroazido compound of formula N
3
(Y)
p
—(CH
2
)
n
—R—(CH
2
)
m
—(Y)
p
N
3
, wherein Y is SO, SO
2
, C
6
H
4
, or CO, p=0 or 1, n and m are independently 1 to 4, and R is selected from the group consisting of i) a C
3
-C
10
fluoroalkylene group, ii) a C
3
-C
10
fluoroalkoxylene group, iii) a substituted aryl group, iv) an oligomer comprising copolymerized units of vinylidene fluoride and perfluoro(methyl vinyl ether), v) an oligomer comprising copolymerized units of vinylidene fluoride and hexafluoropropylene, vi) an oligomer comprising copolymerized units of tetrafluoroethylene and perfluoro(methyl vinyl ether), and vii) an oligomer comprising copolymerized units of tetrafluoroethylene and a hydrocarbon olefin with B) a telechelic diyne or dinitrile compound in the presence of copper halide catalyst.