Process for the production of resist effects on polyester/cellul

Bleaching and dyeing; fluid treatment and chemical modification – Process of printing permanently on substrate – other than... – Resist or reserve

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8451, 8456, 8464, 8532, D06P 512

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active

042656290

ABSTRACT:
In the process for production of resist effects on textile materials of mixed fibers of polyester and cellulose comprising impregnating the materials with a dye liquor containing disperse dyestuffs and reactive dyestuffs which react with the resisting agents, drying or partially drying the padded materials and subsequently printing a resist paste on the material, and heat-treating the materials the improvement comprises the dischargeable disperse dyestuffs being of a class of dyestuffs of which an exemplary species is ##STR1## one of the tautomeric forms of a class of dyestuffs of which an exemplary species is ##STR2## or disperse dyestuffs which are free from groups conferring solubility in water and which contain at least two carboxylic acid ester moieties.

REFERENCES:
patent: 2659719 (1953-11-01), Dickey et al.
patent: 3972677 (1976-08-01), Feess et al.
patent: 4023925 (1977-05-01), Fadler et al.
patent: 4134723 (1979-01-01), Boyd et al.

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