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Patent Searching and Data


Title:
VULCANIZABLE FLUOROELASTOMER COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2001/034666
Kind Code:
A1
Abstract:
A vulcanizable fluoroelastomer composition from which a vulcanizate reduced in compression set can be produced in a short time and which is excellent in molding stability and suitability for kneading. It comprises a fluoroelastomer having C-H bonds in the polymer chain, a vulcanizing agent, and a vulcanization aid, wherein the optimum vulcanization time for the composition, T¿90? (min), and the compression set of the vulcanizate, CS (%), satisfy the following relationships (I) and (II): Relationship (I): CS $m(F) -3.45Ln (T¿90?) + 22.8-4 x 10?-5¿ x MW, provided that 50,000 $m(F) MW $m(F) 200,000; and Relationship (II): CS $m(F) 3.45Ln (T¿90?) + 14.8, provided that 200,000 $m(F) MW.

Inventors:
TOKUNO SATOSHI (JP)
SAITOU HIDEYA (JP)
HIGUCHI TETSUYA (JP)
KOMATSU SATOSHI (JP)
KOYAMA SATOSHI (JP)
Application Number:
PCT/JP2000/007815
Publication Date:
May 17, 2001
Filing Date:
November 07, 2000
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
TOKUNO SATOSHI (JP)
SAITO HIDEYA (JP)
HIGUCHI TETSUYA (JP)
KOMATSU SATOSHI (JP)
KOYAMA SATOSHI (JP)
International Classes:
C08F2/00; C08F2/16; C08F14/22; C08F214/18; C08F214/22; C08K5/00; C08K5/13; C08K5/14; C08K5/17; C08L27/16; (IPC1-7): C08F14/22; C08L27/16; C08K5/13; C08K5/14; C08K5/17; C08F2/16
Foreign References:
EP0679666A11995-11-02
EP0930319A11999-07-21
EP0456019A11991-11-13
US4123603A1978-10-31
Other References:
See also references of EP 1243601A4
Attorney, Agent or Firm:
Asahina, Sohta (Tanimachi 2-chome Chuo-ku Osaka-shi, Osaka, JP)
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