C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
400/2042, 117/25
C09J 7/00 (2006.01) C08L 9/00 (2006.01) C08L 53/02 (2006.01) C09J 7/04 (2006.01) C09J 153/02 (2006.01)
Patent
CA 1146291
ABSTRACT OF THE DISCLOSURE Disclosed is an improved pressure-sensitive adhesive composition comprising an unvulcanized elastomer component comprising at least one block copolymer of styrene and either isoprene or butadiene with a polystyrene block on at least one end of the block copolymer, a tackifying resin component compatible with the elastomer component, a plasticizer component, and a modifier component of unvulcanized cis-1,4-polybutadiene. Also disclosed is the pressure-sensitive adhesive structure comprising a web of material, such as paper, upon which is coated a layer of the above-described composition.
329484
Foley Edward J.
Grzywinski Gerald G.
S. D. Warren Company
Sim & Mcburney
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