Adhesive compositions based on block copolymer adducts

Details Adhesive compositions based on block copolymer adducts Adhesive compositions based on block copolymer adducts

C - Chemistry, Metallurgy

08

F

C08F 293/00 (2006.01) C08F 8/18 (2006.01) C09J 151/00 (2006.01) C09J 153/02 (2006.01)

Patent

CA 2061496

Attorney Docket #IR-1886(CE) ABSTRACT ADHESIVE COMPOSITIONS BASED ON BLOCK COPOLYMER ADDUCTS A Diels-Alder adduct of a halogenated cyclic conjugated diene and a block copolymer of styrene and butadiene which is particularly useful in adhesive compositions. The Diels-Alder adduct has a halogen content of between about 30 and 45, preferably between about 34 and 40, percent by weight. The halogen content of the adduct is crucial to the performance of the adduct in adhesive compositions. Hexachlorocyclopentadiene is a preferred halogenated cyclic conjugated diene for preparing the adduct and either diblock or triblock styrene-butadiene copolymers may be utilized. 2/8/91

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