Graft polymers for use in engineering thermoplastic blends

Details Graft polymers for use in engineering thermoplastic blends Graft polymers for use in engineering thermoplastic blends

1991-07-22

1993-09-14

Kight, III, John

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

Synthetic resins

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

525 66, 525 67, 525 68, 525 69, 525 71, 525 72, 525 74, C08G 6348

Patent

active

052449718

ABSTRACT:
Graft polymers for use as compatibilizers and/or modifiers for engineering thermoplastic compositions are provided comprising the reaction product of functionalized thermoplastic polymers with styrene-maleic anhydride copolymer. The functionalized thermoplastic polymers are based typically on polyolefin polymers and contain at least one functional group reactive either with styrene-maleic anhydride copolymer, or with direactive linking groups reactive with both of the functionalized thermoplastic polymer and styrene-maleic anhydride copolymer. The engineering thermoplastic compositions to be modified include polar engineering thermoplastics and the non-polar engineering thermoplastics based on styrene.

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