COLOR FASTNESS FIBER AND FIBER STRUCTURE CONTAINING THE FIBER

摘要

PROBLEM TO BE SOLVED: To provide a silver-containing fiber having excellent discoloration resistance and a fiber structure containing the fiber.SOLUTION: There is provided a color fastness fiber containing a silver compound and an antifogging agent represented by the following formula which prevents discoloration to brown or black due to heat, light, the lapse of time or the like in an organic fiber. (Formula) Q-{(Y)n-C(X,X)-X}[Q represents an alkyl group, an aryl group or a heterocyclic group which may have a substituent, Xto Xrepresent H, a halogen atom, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, sulfonyl group, or an aryl group, at least one of which is a halogen atom; Y represents -NR-C(=O)-, -C(=O)-, -Z-C(=O)-, -Z-S(=O)-, -SO- or -SO-; n is an integer of 0 to 2; m is 1 to 10; R is H or an alkyl group; R may form a ring structure with Q; and Z is O or S.]SELECTED DRAWING: None