Tackifier composition

Details Tackifier composition Tackifier composition

C - Chemistry, Metallurgy

09

J

C09J 153/00 (2006.01) C09J 193/00 (2006.01)

Patent

CA 2052810

Abstract of the Disclosure A tackifier composition comprising (a) 100 parts by weight of a block copolymer composed of at least two terminal polymer blocks A and at least one intermediate polymer block B, said block A being a polymer block substantially derived from an aromatic vinyl compound, said block B being a polymer block substantially derived from isobutylene, the content of the aromatic vinyl compound being 5 to 50 % by weight, and the number average molecular weight of the block copolymer being 30,000 to 500,000, (b) 20 to 200 parts by weight of a tackifier resin, and (c) 5 to 150 parts by weight of a softener.

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