Pressure sensitive adhesives containing block copolymer

Details Pressure sensitive adhesives containing block copolymer Pressure sensitive adhesives containing block copolymer

1985-08-22

1988-01-05

Briggs, Sr., Wilbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524270, 524274, 524505, 525 89, 525 98, C08L 5302

Patent

active

047177497

ABSTRACT:
A pressure sensitive adhesive composition is provided. The adhesive comprises an ABA block polymer wherein A represents a copolymer of styrene and alpha-methylstyrene and B represents blocks of diene polymer. The diene polymer can be butadiene, isoprene or a mixture thereof. The composition also contains a tackifying resin.

REFERENCES:
patent: 3932328 (1976-01-01), Korpmman
patent: 4131709 (1978-12-01), Schunck et al.
patent: 4427837 (1984-01-01), Tung et al.
patent: 4444953 (1984-04-01), St. Clair

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