Blends of thermoplastic polyester resins and amorphous polyamide

Details Blends of thermoplastic polyester resins and amorphous polyamide Blends of thermoplastic polyester resins and amorphous polyamide

1993-01-25

1994-09-13

Carrillo, Ana L.

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

Synthetic resins

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

2641761, 264219, 264239, C08L 7700

Patent

active

053469674

ABSTRACT:
Thermoplastic resins of enhanced solvent resistance especially useful for packaging or automotive parts comprising blends of amorphous polyamides with a thermoplastic polyester resin, substantially free of a polyarylate have excellent physical properties and barrier resistance to oxygen and carbon dioxide. Preferred blends comprise polyesters prepared by reacting a dihydric alcohol with a dicarboxylic acid, and amorphous polyamides prepared from non-symmetric monomers comprising odd-number chain diamines and diacids, and meta aromatic diamines and diacids.

REFERENCES:
patent: 4097446 (1978-06-01), Abolins et al.

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