Bleaching and dyeing; fluid treatment and chemical modification – Reactive dye composition – process – or product – Alkylene sulfato – halotriazine – halodiazine,...
Patent
1987-02-05
1988-08-09
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Reactive dye composition, process, or product
Alkylene sulfato, halotriazine, halodiazine,...
8527, 8591, 8597, 8602, 8924, C09B 6204, C09B 6220, C09B 6700
Patent
active
047625244
ABSTRACT:
This invention is directed to a dyestuff composition comprising the reaction product of a water-soluble, vinyl-sulfone type, reactive dye and a N-alkyl-amino-alkyl sulfonic acid and/or carboxylic acid or the salts thereof wherein the N-alkyl-amino-alkyl acid or salt is reacted with said dye in an amount of about 0.5 to 1.0 mole per mole of dye. This dyestuff composition is used to dye synthetic polyamides according to a process where said composition is applied to a polyamide fiber from an aqueous solution having a pH from about 3 to about 4; preferably 3.5 and then fixed to said fiber by heat.
REFERENCES:
patent: 3802837 (1974-04-01), Bohnert et al.
Chambers Thomas V.
Deicke Manfred
Fleming Suzanne C.
Clingman A. Lionel
Crall Hugh C.
Hoechst Celanese Corporation
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