Polyamide-imide resins and production thereof

Details Polyamide-imide resins and production thereof Polyamide-imide resins and production thereof

1991-08-19

1992-10-20

Welsh, Maurice J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 52, 528 57, 528 67, 528 73, 528128, 528173, 528184, 528185, 528188, 528208, 528350, C08G 1822

Patent

active

051570971

ABSTRACT:
Melt moldable polyamide-imide resins are disclosed which have a glass transition temperature ranging from 120.degree. to 300.degree. C. and have molecule ends blocked with an unsubstituted aromatic group or an aromatic group having a substituent not reactive with amines, isocyanates, carboxylic acids and dicarboxylic acid anhydrides.

REFERENCES:
patent: 3939029 (1976-02-01), Gilliam et al.
patent: 4291149 (1981-09-01), Keske et al.
patent: 4348513 (1982-09-01), Keske et al.
patent: 4755585 (1988-07-01), Hanson et al.

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