Dye fixing method

Bleaching and dyeing; fluid treatment and chemical modification – Overall dimensional modification or stabilization – e.g.,... – Modification of molecular structure of substrate by chemical...

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8512, 8471, 8495, 427333, 427400, 503227, 106 22R, D06P 500

Patent

active

055078397

ABSTRACT:
A dye is fixed to a solid material by using a diene or dienophile as the dye, incorporating a dienophile or diene into the solid material, effecting Diels-Alder reaction between the diene and the dienophile or between the dye and the solid material for binding the dye to the solid material. The dyed solid material has an increased dye concentration and prevents dye diffusion with the lapse of time.

REFERENCES:
Database WPI, Section Ch, Week 9420, Derwent Publications Ltd., London, GB; Class A89, AN 94-163658 & JP-A-6 106 861 (Fuji Photo Film Co., Ltd.) 19 Apr. 1994.
Database WPI, Section Ch, Week 9419, Derwent Publications Ltd., London, GB; Class E24, AN 94-156365 & JP-A-6 099 675 (Fuji Photo Film Co., Ltd.) 12 Apr. 1994.

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