Dyeing process
AssigneeSandoz Ltd.
InventorsSergio Fabbri, Josef Frauenknecht
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Abstract
Disclosed is a process for dyeing or printing a voluminous textile substrate comprising natural or synthetic polyamide fibres, which process comprises applying to the substrate an aqueous dyeing or printing medium containing 0.05 to 100 g/l of a foaming agent, forming a foam on said substrate, rolling up the substrate and rotating the rolled up substrate for a period of from 1 to 48 hours at a temperature of from 20.degree. to 60.degree.C to effect fixation.
Claims19
A process for dyeing or printing a voluminous textile substrate comprising natural or synthetic polyamide fibers, which process comprises applying to the substrate an aqueous dyeing or printing medium containing 0.05 to 100 g/l of a foaming agent selected from the group consisting of anionic, cationic, non-ionic and amphoteric foaming agents, forming a foam on said substrate, rolling up the substrate and rotating the rolled up substrate for a period of from 1 to 48 hours at a temperature of from 20.degree. to 60.degree.C. to effect fixation.
Dependencies are inferred from the claim text.