Impact resistant blends of thermoplastic polyesters and modified

Details Impact resistant blends of thermoplastic polyesters and modified Impact resistant blends of thermoplastic polyesters and modified

1989-02-15

1990-09-04

Briggs, Sr., Wilbert J.

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

Synthetic resins

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

525386, C08L 6702, C08F29704

Patent

active

049545680

ABSTRACT:
A toughened multiphase thermoplastic composition is provided by incorporating at least one functionalized, selectively hydrogenated alkenyl arene/conjugated diene block copolymer to which has been grafted an effective amount of carboxyl functional groups primarily in the alkenyl arene blocks thereof with a thermoplastic polyester. The carboxyl functional groups may be in the form of carboxylic acids, their salts, their esters, and combinations of two or more of these.

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Ser. No. 152,706 Gelles et al., 2/88.

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