Thermoplastic aromatic polyamideimide copolymer from polyamide d

Details Thermoplastic aromatic polyamideimide copolymer from polyamide d Thermoplastic aromatic polyamideimide copolymer from polyamide d

1987-07-31

1989-05-16

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

525432, 525436, 528 44, 528125, 528128, 528172, 528173, 528185, 528229, 528327, 5283291, 528331, 528350, C08G 7314

Patent

active

048311049

ABSTRACT:
The thermoplastic aromatic polyamideimide compolymers comprising the structural units (1), (2) and (3) represented by formulae, ##STR1## respectively, (2) and (3) being at ratio of 1 mole to 1 mole of (1), (3) being at a ratio of 0.95-0.05 mole to 0.05-0.95 mole of (2), (1) and (2) or (3) being alternatively interconnected and Ar and Ar' being composed of 5 to 70 mole % of ##STR2## and 95 to 30 mole % of ##STR3## provide the moldings being superior in heat stability and fluidity at the temperatures of 300.degree. to 400.degree. C. and injection moldable and having desired characteristics.

REFERENCES:
patent: 3984375 (1976-10-01), Frost

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