Method for producing lightfast disperse dyestuffs containing a b

Details Method for producing lightfast disperse dyestuffs containing a b Method for producing lightfast disperse dyestuffs containing a b

1988-04-21

1990-02-20

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534799, 534851, 546204, 546223, 548260, 564 87, 564 88, 564415, 564443, 552246, 552247, D06P 116, D06P 118, D06P 117, D06P 120

Patent

active

049027875

ABSTRACT:
A method of producing a UV lightfast disperse dyestuff comprising selecting a disperse dyestuff having predetermined chromophoric groups, selecting a photostabilizer compound, designing a hybrid disperse dye molecular structure which contains the chromophoric groups of the selected disperse dyestuff and also contains the molecular structural features of the selected photostabilizer compound, and synthesizing the thus designed hybrid disperse dyestuff molecule. Such a method produces a hybrid dye molecule which is a UV lightfast analog of a disperse dyestuff having predetermined chromophoric groups, said hybrid dye molecule containing in its molecular structure the chromophoric groups of the selected disperse dyestuff and also containing the molecular structural features of a photostabilizer compound.

REFERENCES:
patent: 3998136 (1968-08-01), Groebke et al.
patent: 4313872 (1982-02-01), Heinrich et al.

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