Adhesive compositions based on block copolymer adducts

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

1991-02-20

1992-12-29

Seidleck, James J.

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

Synthetic resins

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

525276, 525288, 525314, 525315, 524552, C08F28700

Patent

active

051752158

ABSTRACT:
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. Hexachlorocylopentadiene is a preferred halogenated cyclic conjugated diene for preparing the adduct and either diblock or triblock styrene-butadiene copolymers may be utilized.

REFERENCES:
patent: 3444154 (1969-05-01), Shatz
patent: 3483272 (1969-12-01), Hindersinn
patent: 3494985 (1970-02-01), Hindersinn et al.
patent: 3640941 (1972-02-01), Findley et al.
patent: 4795778 (1989-01-01), Bond et al.

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