Solvent system comprising N-alkyl substituted amide and quaterna

Details Solvent system comprising N-alkyl substituted amide and quaterna Solvent system comprising N-alkyl substituted amide and quaterna

1986-01-17

1987-08-04

Anderson, Harold D.

Compositions: coating or plastic

Materials or ingredients

Vehicles or solvents

1062872, 10628725, 1062873, 524602, 528336, 528348, C08K 516, C08K 520

Patent

active

046844090

ABSTRACT:
A process and its product are disclosed whereby poly-p-phenylene terephthalamide is prepared in a polymerization solvent comprising an N-alkyl-substituted amide, preferably N-methyl-2-pyrrolidone, and a quaternary ammonium chloride, preferably methyl-tri-n-butylammonium chloride.

REFERENCES:
patent: 4045417 (1977-08-01), Yamazaki et al.
patent: 4172938 (1979-10-01), Mera et al.

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