Adhesive blend of polyolefins and grafted block copolymer of pol

Details Adhesive blend of polyolefins and grafted block copolymer of pol Adhesive blend of polyolefins and grafted block copolymer of pol

1989-03-09

1991-12-03

Seccuro, Carman J.

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

Synthetic resins

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

525 78, 525941, 524505, C08L 2306, C08L 2308, C08L 2312, C08L 5302

Patent

active

050701436

ABSTRACT:
Composition comprising a mixture of from about 30% to about 99.9% of a polyolefin base resin; from about 0.1% to about 50% of a graft polymerized block copolymer having polystyrene end blocks and an aliphatic middle block; from 0 to about 40% by weight of an elastomer different from the above components; and from 0 to about 30% by weight of a nonelastomeric second polyolefin made from different monomers from those of the polyolefin base resin. The composition can be used as an adhesive film or tie layer, optinally by coextrusion between layers to be joined. Coatings and coated substrates are also disclosed.

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