FLUOROELASTOMER AND ITS PRODUCTION

Title:

FLUOROELASTOMER AND ITS PRODUCTION

Document Type and Number:

Japanese Patent JPH08104719

Kind Code:

A

Abstract:

PURPOSE: To obtain a fluoroelastomer excellent in the rate of vulcanization by copolymerizing tetrafluoroethylene with perfluoro(lower-alkyl vinyl ether) and perfluoro(allylbenzene).

CONSTITUTION: This fluoroelastomer has a copolymer composition of 50-80mol% tetrafluoroethylene (A), 20-45mol% perfluoro(lower-alkyl vinyl ether) (B) and 0.1-2mol% perfluoro(allylbenzene) (C) and an intrinsic viscosity of 0.1-2.0dl/g. By using the perfluoro(allylbenzene) as the perfluorovinyl ether of component C copolymerized with components A and B, the obtained fluoroelastomer is excellent in the rate of vulcanization. Because this elastomer is excellent in chemical resistance, heat stability, etc., it can be effectively used as a molding material for O rings, flange seals, gaskets, diaphragms of stock pumps, liners, etc.

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Inventors:

SAITO SATOSHI
TATSU HARUMI
REFU SOROMONOBITSUCHI GERUMAN

Application Number:

JP26624694A

Publication Date:

April 23, 1996

Filing Date:

October 04, 1994

Export Citation:

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Assignee:

NIPPON MEKTRON KK

International Classes:

C08F214/26; C08F16/14; C08F216/12; C08F216/14; (IPC1-7): C08F214/26; C08F216/12

Attorney, Agent or Firm:

Toshio Yoshida

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