RUBBER COMPOSITION

PROBLEM TO BE SOLVED: To obtain the subject composition capable of having an excellent metal adhesion resistance, heat resistance and oil resistance and useful for various kinds of seals, belts, etc., which are used in contact with metals in the presence of oils, by adding a phosphate ester plastici...

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Bibliographic Details
Main Authors KONNO TSUYOSHI, ARAKAWA TAKANORI
Format Patent
LanguageEnglish
Published 10.11.1998
Edition6
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:PROBLEM TO BE SOLVED: To obtain the subject composition capable of having an excellent metal adhesion resistance, heat resistance and oil resistance and useful for various kinds of seals, belts, etc., which are used in contact with metals in the presence of oils, by adding a phosphate ester plasticizer to a specific rubber mixture. SOLUTION: This rubber composition is obtained by adding (B) 1-20 pts.wt. of a phosphate ester plasticizer to (A) 100 pts.wt. of a rubber component comprising (A1 ) 50-90 wt.% of a nitrile group-containing unsaturated copolymer rubber (concretely acrylonitrile-butadiene copolymer rubber) and (A2 ) 10-50 wt.% of a highly saturated rubber comprising a nitrile group-containing highly saturated copolymer rubber or ethylenic highly saturated copolymer rubber (concretely ethylene-propylene copolymer rubber, etc.), having an iodine value of <=80.
Bibliography:Application Number: JP19970124682