Elastomer containing adhesive tape

Details Elastomer containing adhesive tape Elastomer containing adhesive tape

C - Chemistry, Metallurgy

09

J

117/31

C09J 7/02 (2006.01) C09J 123/22 (2006.01) C09J 153/00 (2006.01)

Patent

CA 1333136

Novel adhesives comprising an elastomer composition comprising (1) at least 30 percent by weight of a triblock terpolymer elastomer having polystyrene end blocks and rubber poly(ethylene-butylene) midblocks; (2) at least 10 percent by weight of a diblock copolymer elastomer of styrene and ethylenebutylene; and (3) at least 30 percent by weight of non-liquid polyisobutylene, e.g. having a molecular weight of at least 800,000, or a copolymer containing at least 95% by weight of isobutylene; said adhesive containing further containing at least one tackifying resin in an amount sufficient to provide the desired balance of adhesive properties, e.g. tack; and adhesive tapes including same.

583852

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