Acid dyeable yarn from polyamide having N,N'-di (3-aminopropyl)p

Details Acid dyeable yarn from polyamide having N,N'-di (3-aminopropyl)p Acid dyeable yarn from polyamide having N,N'-di (3-aminopropyl)p

1974-09-26

1976-03-09

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

57140R, 260 4575R, 260 78R, 260 78S, 260 78SC, C08K 550, C08G 6926

Patent

active

039430952

ABSTRACT:
Yarns of good color characterized by a high capability of being deeply dyed with acid dyes are spun from copolyamides having a relative viscosity of 35-75, an amine end concentration of 35-80 gram equivalents per 10.sup.6 grams of polymer and a defined content of units formed in part from N,N'-di(3-aminopropyl)piperazine and which have been produced with the introduction of a defined content of a specified organic phosphorous compound prior to extrusion of the polymer.

REFERENCES:
patent: 2904536 (1959-09-01), Reith
patent: 2989798 (1961-07-01), Bannerman
patent: 3235534 (1966-02-01), Brinkman et al.
patent: 3300448 (1967-01-01), Gauthier et al.
patent: 3511815 (1970-05-01), Sayin

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