Patent ID: 6394597
Filing Date: 2002-05-28
Classification: D06P

Abstract:
A process for preparing a printed cloth comprising the steps of:(i) providing a cloth composed mainly of silk fibers and containing an alkaline substance and an organic acid, the amount of the alkaline substance, including that forming a salt with the organic acid, being not less than 0.8% by weight based on the dry weight of the cloth; (ii) applying an ink containing a reactive dye to the cloth; (iii) heating the cloth resulting from step (ii) at a temperature of 103Â° C. or higher; and (iv) washing the cloth resulting from step (iii), wherein a surface pH of the cloth is in a range of from 6 to 8.2, and wherein the alkaline substance is at least one substance selected from the group consisting of alkali metal hydroxides and alkali metal carbonates and bicarbonates.