PURPOSE: To provide a rubber vibration insulator compsn. having excellent vibration insulation characteristics and adhesiveness, by incorporating a halogenated ethylene/α-olefin/non-conjugated diene copolymer rubber.
CONSTITUTION: A halogenated ethylene/α-olefin/non-conjugated diene copolymer rubber (halogenated EPDM) having a halogen content of 1W40wt% obtd. by halogenating (pref. chlorinating or brominating) EPDM contg. ethylene, α-olefin (e.g. propylene or butene-1) and non-conjugated diene (e.g. ethylidene norbornene or dicyclopentadiene) components, is used. At least 30wt% said halogenated EPDM and not more than 70wt% other rubber (e.g. natural rubber or styrene/ butadiene rubber) are kneaded together to obtain a rubber vibration insulator compsn.
KAMATA SHIGEHIRO
MATSUMURA YOSHIO
ODA MASARU
