Block copolymers with improved overmolding adhesion

Details Block copolymers with improved overmolding adhesion Block copolymers with improved overmolding adhesion

1996-09-26

1998-03-03

Zitomer, Fred

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

Synthetic resins

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

524504, 524525, 524 94, 524 95, 524 99, C08L 5302

Patent

active

057235430

ABSTRACT:
A thermoplastic elastomer composition is provided. The composition comprises a hydrogenated elastomeric block copolymer having at least two resinous endblocks of polymerized monovinyl aromatic compound and an elastomeric midblock of polymerized conjugated diene, a midblock plasticizer, and an ethylene-acrylate copolymer or terpolymer. The thermoplastic elastomer exhibits improved overmolding adhesion to polar matrices over compositions not containing the ethylene-acrylate polymer.

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