High impact resistant blends of thermoplastic polyesters and mod

Details High impact resistant blends of thermoplastic polyesters and mod High impact resistant blends of thermoplastic polyesters and mod

1988-02-05

1989-09-19

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...

525 92, 525314, 525366, 525383, 525386, 525370, C08L 6702, C08L 5302

Patent

active

048682438

ABSTRACT:
A suber-toughened multiphase thermoplastic composition is provided by incorporating an effective amount of 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 poly (ethylene terephthalate). The carboxyl functional groups are present as carboxylic acids and their salts in an effective salt to acid ratio for super-toughening the composition. Additionally, the block copolymer phase has an effective phase size for super-toughening the composition.

REFERENCES:
patent: 3976628 (1976-08-01), Halasa et al.
patent: 4588765 (1986-05-01), Beaver
patent: 4628072 (1986-12-01), Shiraki et al.

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