工芸染色における着色抜染 : にじみによる白色抜染の現れ

概要

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This is to report on the result of the attempt intended for even the beginners to succeed easily in colored discharge printing on textiles of vegetable fiber by using 'Rongalite C' and synthetic dyes. I dyed beforehand the cotton cloth for carrying out colored discharge printing by the reactive dye. I observed the phenomenon which white discharge printing produces on the outskirts of encaustic when colored discharge printing is carried out by printing technique. These are the efforts I have made to find an easy method which produces clear colore ground.The results are summarized as follows.1) When a thickener is added to a colored-discharge-printing paste, a difference is not seen by the development situation of a blot by concentration in directions used.2) The thickener was added to the colored-discharge-printing paste, and further, when the starch paste was added, the blot preventive effect was seen.3) The addition rate of a starch paste has effective 10% of colored-discharge-printing paste order. Since the color which it is going to color stops sinking in to cloth when many starch pastes are added too much, a white blot is not produced, but it becomes nonuniformity dyeing.
2011-02-28