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Title:
FLUORORUBBER COPOLYMER AND CURING COMPOSITION THEREOF
Document Type and Number:
WIPO Patent Application WO/1996/017877
Kind Code:
A1
Abstract:
A fluororubber copolymer produced by free-radical polymerization in the presence of a diiodinated compound, containing 0.005-1.5 mol % iodine-containing fluorinated vinyl ether units, 40-90 mol % vinylidene fluoride units, 3-35 mol % perfluoro (methyl vinyl ether) units, and optionally up to 25 mol % hexafluoropropylene units and up to 40 mol % tetrafluoroethylene units. The copolymer contains iodine atoms originating in the diiodinated compound and the iodine-containing fluorinated vinyl ether units in amounts of 0.01-1 wt.% and 0.01-2 wt. %, respectively, and has a Mooney viscosity of 20 to 150.

Inventors:
SAITO HIDEYA (JP)
KITAICHI MASANORI (JP)
UETA YUTAKA (JP)
KISHINE MITSURU (JP)
Application Number:
PCT/JP1995/002497
Publication Date:
June 13, 1996
Filing Date:
December 06, 1995
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
SAITO HIDEYA (JP)
KITAICHI MASANORI (JP)
UETA YUTAKA (JP)
KISHINE MITSURU (JP)
International Classes:
C08F2/38; C08F14/22; C08F16/14; C08F214/22; C08F216/14; C08K5/04; C08K5/14; C08K5/17; C08K5/3477; C08L27/16; C09K3/10; (IPC1-7): C08F214/22; C08F2/38; C08F214/26; C08K5/14; C08K5/3477; C08L27/16; C08L27/18; C09K3/10
Foreign References:
JPH0563482B21993-09-10
JPH05230152A1993-09-07
JPH05406B21993-01-05
JPH0370759A1991-03-26
GB953152A1964-03-25
GB952098A1964-03-11
JPS53125491A1978-11-01
JPH06508161A1994-09-14
JPS6212734A1987-01-21
JPS534035B21978-02-13
EP0525685A11993-02-03
EP0425259A11991-05-02
FR2347389A21977-11-04
JPH06128334A1994-05-10
Other References:
See also references of EP 0743329A4
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