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Title:
PRODUCTION OF SURFACE-MODIFIED RUBBER
Document Type and Number:
Japanese Patent JPH10265595
Kind Code:
A
Abstract:

To produce the subject film excellent in oil resistance by carrying out the saponification treatment of a vulcanized molded product of an ethylene- vinyl acetate copolymer and forming an ethylene-vinyl alcohol copolymer film on a surface layer.

An ethylene-vinyl acetate copolymer is vulcanized and molded under conditions of, e.g. 150-200°C for 2-30 min and the secondary vulcanization, as necessary, is carried out at the similar temperature. The saponification treatment of the resultant vulcanized molded product is than performed by using an alkaline solution, e.g. sodium methoxide/methanol or an acidic solution, e.g. sulfuric acid/methanol to form an ethylene-vinyl alcohol copolymer film on the surface layer. Thereby, the objective rubber is obtained.


Inventors:
Katayama, Tatsuo
Application Number:
JP1997000087491
Publication Date:
October 06, 1998
Filing Date:
March 24, 1997
Export Citation:
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Assignee:
UCHIYAMA MFG CORP
International Classes:
C08J3/24; C08F8/12; C08J7/12; C08L29/04; (IPC1-7): C08J7/12; C08F8/12; C08J3/24; C08L29/04



 
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