VIBRATION-PROOF RUBBER COMPOSITION

PROBLEM TO BE SOLVED: To obtain the subject composition excellent in temperature-proof and vibration-proof characteristics at the ordinary temperature to high temperatures and in low temperature characteristics and useful for producing engine mounts for automobiles by blending a nitrile group-contai...

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Bibliographic Details
Main Authors OKAWA TOSHIO, YAO TERUTAKA, OKAMURA SHIGERU
Format Patent
LanguageEnglish
Published 20.01.1998
Edition6
Subjects
BLASTING
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
SHOCK-ABSORBERS
SPRINGS
THEIR PREPARATION OR CHEMICAL WORKING-UP
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To obtain the subject composition excellent in temperature-proof and vibration-proof characteristics at the ordinary temperature to high temperatures and in low temperature characteristics and useful for producing engine mounts for automobiles by blending a nitrile group-containing unsaturated copolymer with an isoprene rubber. SOLUTION: This vibration-proof rubber composition contains (A) 50-95wt.% of an isoprene rubber and (B) 5-50wt.% of a nitrile group-containing unsaturated copolymer rubber as rubber components. The component A is preferably an isoprene rubber having a Mooney viscosity ML4 of approximately 50-100, especially natural rubber, polyisoprene rubber, etc., and the component B is preferably butadiene-acrylonitrile copolymer rubber, etc. A sulfur-donating compound such as sulfur, etc., may further be added.
Bibliography:Application Number: JP19960190004