Miscible polyarylate-polyamide blends

Details Miscible polyarylate-polyamide blends Miscible polyarylate-polyamide blends

1991-05-06

1992-05-19

Bleutge, John C.

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

Synthetic resins

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

525420, C08L 6702, C08L 7710

Patent

active

051150468

ABSTRACT:
Miscible, thermoplastic polyarylate-polyamide blends which are fully compatible one-phase polymer solutions. They exhibit a single glass transition temperature intermediate between the glass transition temperature of the two homopolymers. The blended materials exhibit excellent mechanical properties including solvent resistance, stress-crack resistance, melt fabricability, UV and weatherance and good strength at a weld line. Miscibility is accomplished by blending a polyarylate containing about 12 to 50 mole % tertiary butyl substituted aromatic nuclei, with an aliphatic-aromatic polyamide having a ratio of aliphatic to aromatic carbons of about 1.4 to about 2.5.

REFERENCES:
patent: 4777223 (1988-10-01), Robeson
patent: 4895928 (1990-01-01), Fenoglio

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