Aromatic polyamide composition and processes for preparing film

Details Aromatic polyamide composition and processes for preparing film Aromatic polyamide composition and processes for preparing film

1983-04-07

1985-07-16

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524233, 524234, 528488, C08K 520

Patent

active

045297630

ABSTRACT:
There is provided an aromatic polyamide composition, which comprises (a) a polyamide, the recurring structural units of which are substantially totally aromatic, (b) an organic amide solvent, and (c) one or more salts selected from chlorides and bromides of an alkali metal, an alkaline earth metal or ammonium. The amounts of the polyamide and the organic amide solvent are in the ranges of 30 to 50% and 70 to 50% by weight, respectively, based on the total weight of the polyamide and the organic amide solvent. The amount of the salt is defined by the formulae:

REFERENCES:
patent: 2576909 (1951-12-01), Adams
patent: 3058962 (1962-10-01), Trofimow
patent: 3249569 (1966-05-01), Fantl
patent: 3251802 (1966-05-01), Pinter
patent: 3414645 (1968-12-01), Morgan
patent: 3931119 (1976-01-01), Leblanc
patent: 4011203 (1977-03-01), Konomi

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