Water-insoluble naphthalic acid imide dyestuffs
AssigneeHoechst Mitsubishi Kasei Co., Ltd.
InventorsKiyoshi Himeno, Toshio Hihara
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Abstract
Water-insoluble naphthalic acid imide dyestuffs of the following formula: ##STR1## wherein D is ##STR2## wherein R.sup.1 is C.sub.1 -C.sub.8 alkyl which may be substituted, R.sup.2 is hydrogen, halogen, lower alkyl, lower alkoxy or cyano, X is oxygen or sulfur, and m is 0 or 1; A is phenylene, alkylene, aralkylene or --C.sub.2 H.sub.4 OC.sub.2 H.sub.4 --; B is oxygen, sulfur or ##STR3## wherein R.sup.3 is hydrogen or lower alkyl; Y is a 6-membered nitrogen-containing heterocyclic ring having at least one active halogen atom; and n is 0 or 1.
Claims17
Water insoluble naphthalic acid imide dyestuffs for dyeing a fiber mixture comprising(i) polyamide or polyurethane fibers and (ii) polyester or triacetate fibers of the following formula:
- ##STR75## wherein D is ##STR76## wherein R.sup.2 is hydrogen, halogen, lower alkyl, lower alkoxy or cyano, A is phenylene, alkylene, aralkylene or -C.sub.2 H.sub.4 OC.sub.2 H.sub.4 -;
- B is oxygen, sulfur or ##STR77## wherein R.sup.3 is hydrogen or lower alkyl;
- Y is a 6-membered nitrogen-containing heterocyclic ring having at least one active halogen atom;
- and n is 0 or 1.
Dependencies are inferred from the claim text.