Bleed resistant coloured crepe paper and the method of its...

Details Bleed resistant coloured crepe paper and the method of its... Bleed resistant coloured crepe paper and the method of its...

D - Textiles, Paper

21

H

8/30

D21H 1/46 (1985.01)

Patent

CA 1214606

BLEED RESISTANT COLORED CELLULOSICS AND THE METHOD OF THEIR PREPARATION ABSTRACT OF THE DISCLOSURE The invention is concerned with a method of coloring a crepe type paper, which comprises the steps of (a) providing a reactive dye; (b) mixing the dye with a sufficient propor- tion of a cross-linker, to partially cross-link a portion of the dye molecules, the proportion being insufficient to cross-link all of the dye molecules; (c) partially cross- linking the portion of dye molecules; (d) adding addi- tional cross-linker to the mixture of partially cross-linked reactive dye; (e) applying the product of step (d) to the paper; and (f) chemically cross-linking the product to the paper. The method of the invention enables one to obtain bleed resistant, colored crepe type paper.

443565

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