Styrene ethylene-butylene and ethylene-propylene block copolymer

Details Styrene ethylene-butylene and ethylene-propylene block copolymer Styrene ethylene-butylene and ethylene-propylene block copolymer

1995-06-07

1997-04-08

Szekely, Peter A.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524271, 524274, 524505, 524499, 525 71, 525 97, 525 99, C08L 5302, C08L 5104, C08L 9304

Patent

active

056188838

ABSTRACT:
A hot melt pressure sensitive adhesive composition comprising a tackified ethylene-propylene rubber modified with a copolymer of a styrene ethylene-propylene block copolymer and/or a styrene ethylene -butylene block is provided. The pressure sensitive adhesive exhibits high cohesive strength and adhesion to polar and apolar surfaces.

REFERENCES:
patent: 3514417 (1970-05-01), Bickel et al.
patent: 3862068 (1975-01-01), Russell
patent: 5216074 (1993-01-01), Imai et al.
patent: 5274037 (1993-12-01), Miller
patent: 5286781 (1994-02-01), Gotoh et al.
patent: 5459193 (1995-10-01), Anderson et al.
patent: 5500293 (1996-03-01), Lau et al.

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