申请人:——
公开号:US20020172651A1
公开(公告)日:2002-11-21
The object of the present invention is a preparation for coloring fibers, which is prepared before use by mixing an acidic component (A1), containing at least one enamine of Formula (I)/(Ia) with a component (A2), containing a Schiff's base of Formula (II)
1
as well as a method for temporarily coloring fibers, for which the coloration, obtained with the aforementioned coloring agent, can be removed once again at any time by a sulfite-colorizing agent.
本发明的对象是一种用于染色纤维的制剂,该制剂在使用前通过混合含有至少一种Formula(I)/(Ia)的恩胺的酸性组分(A1)与含有Formula(II)的席夫碱基的组分(A2)制备而成。同时提供了一种临时染色纤维的方法,其中使用上述染色剂获得的着色可以随时通过亚硫酸盐染色剂再次去除。