Photostabilization of Leuco Dyes: Counter-ion Effect on the Light Fastness of Color Formers

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Color formers are given considerable attention as functional dyes for heat- and/or pressure-sensitive recording media and printed textiles. Numerous potential metal complexes were synthesized to prolong the life of colored species. The protecting effect of these compounds against the photofading was examined on cellulose. It was found that the zinc or nickel salts of hydroxyarylcarboxylates bearing an amphoteric counter-ion effect can be applied as effective stabilizers against the fading of color formers.

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  • 繊維学会誌

    繊維学会誌 63 (4), 81-86, 2007

    社団法人 繊維学会

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