C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
6/218, 402/239
C08G 69/28 (2006.01) C08G 69/32 (2006.01)
Patent
CA 1286859
TITLE Polymerization of Aromatic Polyamides Abstract of the Disclosure 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.
527200
Hodge James Dwight
Lee Kiu-Seung
E.i. Du Pont de Nemours And Company
Sim & Mcburney
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