Transfer printing

Bleaching and dyeing; fluid treatment and chemical modification – Diffusion transfer dyeing process – transfer sheet and product – Dry heat treatment for penetration

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Details

8467, 8470, 8930, 427394, 427396, 428270, 428274, 428275, 428276, D06P 116, D06P 162, D06P 1653, D06P 1667

Patent

active

044551479

ABSTRACT:
Color yield of the coloration processes for textile and like materials, more especially of sublimable dyes applied by transfer printing, is enhanced by pretreatment of the material by deposition of 1 to 10% surfactant or other amphipathic substance. Preferred substances are cationic, anionic or non-ionic surfactants, which may be applied from aqueous solution at levels of 1 to 10% on the weight of the material. The material is dried before printing. The surfactants can be accompanied by swelling agents, catalysts or cross-linking agents. Preferred dyes for the printing stage are sublimable dyes containing chelatable groups, fibre-reactive groups or cross-linkable groups.

REFERENCES:
patent: 3686025 (1972-08-01), Morton
patent: 4029467 (1977-06-01), Defago et al.
patent: 4033716 (1977-07-01), Defago et al.
patent: 4063879 (1977-12-01), Faulhaber et al.
patent: 4072462 (1978-02-01), Vellins et al.
patent: 4155707 (1979-05-01), Franceschini et al.
American Dyestuff Reporter, pp. 31-35, (6-5-67).

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