Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Fluorescent dye – e.g. – stilbene – benzimidazole – benzoxazole,...
Patent
1994-03-31
1995-02-07
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Fluorescent dye, e.g., stilbene, benzimidazole, benzoxazole,...
546 45, 8509, 8514, 8922, C09B 5702
Patent
active
053872649
ABSTRACT:
The invention discloses a method for dyeing a hydrophobic fiber, in particular, a polyester fiber in an extremely brilliant yellow or orange with fluorescence, a method for coloring, for example, a polystyrene resin or a polyacrylate resin in a brilliant yellow or orange, and a coloring material therefore.
A method for dyeing a hydrophobic fiber and a method for coloring an organic macromolecular substance characterized by using a coumarin compound represented by the general formula: ##STR1## wherein R.sub.1 and R.sub.2 independently represent each a hydrogen atom or an alkyl group having 1 to 4 carbon atoms;
and a coloring material containing the coumarin compound are disclosed.
REFERENCES:
patent: 3880869 (1975-04-01), Scheuermann et al.
Murakami Yasuo
Ohnishi Masao
Orita Ryuzo
Sugimoto Tadaaki
Einsmann Margaret
Lieberman Paul
Nippon Kayaku Kabushiki Kaisha
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