PHOTOFADING INHIBITOR OF OYSTER POLYPHENOL PIGMENT, PHOTOFADING INHIBITION RESIN, PHOTOFADING INHIBITION DYED MATERIAL, AND DYEING TREATMENT METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a resin colored with oyster polyphenol pigments, an agent having fading inhibition effect of a dyed material which has been dyed, a resin and a dyed material inhibiting the photofading phenomenon of the oyster polyphenol pigments using the agent, and a dyeing treatment method therefor.

SOLUTION: At least one selected from the group consisting of 2-(2-benzotriazole)-p-sodium cresol sulfonate, 2-(2-benzotriazole)-p-nickel cresol sulfonate, 1-naphthol 8-nickel sulfonate, and polystyrene-p-nickel sulfonate, is used as a photofading inhibitor for the oyster polyphenol pigments.

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