Mitsubishi Chemical Industries Limited

Dystar Japan Ltd.

Hoechst Mitsubishi Kasei Co., Ltd.

Research Association of Synthetic Dyestuffs

Mitsubishi Kasei Corporation

Dystar Textilfarben Gmbh & Co. Deutschland Kg

Colourtex Industries Limited

Dystar Colours Distribution Gmbh

Dystar Textifarben Gmbh & Co.

Research Association of Synethtic Dyestuffs

Hoechst Mitsubhishi Kasei Co., Ltd.

Hoeshst Mitsubishi Kasei Co., Ltd.

Kiyoshi Himeno

Toshio Hihara

Toshio Niwa

Ryouichi Sekioka

Junji Yoshihara

Shuichi Maeda

Yukiharu Shimizu

Seiichi Imahori

Kazuhisa Konishi

Manfred Hoppe

Kanzi Shimizu

Yousuke Takahashi

Nikhil Desai

Yoshiharu Hamano

Pankaj Desai

Yutaka Kurose

Yoshio Kimura

Ryouchi Sekioka

Maeda, Shuichi

Shinsuke Ohno

Hirotsugu Tsumura

Masateru Ishida

Wataru Shimizu

Jay Patel

Shinji Kubo

The present invention relates to dye mixtures comprising at least one compound of the formula (I) and at least one compound of the formula (II) where the substituents are each as defined in the description part, which are highly useful for dyeing and printing hydrophobic synthetic material.

Disperse azo dye mixtures

The present invention is directed to a disperse dye of formula (1) Wherein, X, Y and Z are, independently, hydrogen, halogen, cyano, nitro or SOF; Wherein at least one of X, Y and Z is SOF. Ris hydrogen, methyl, hydroxyl or NHR; Ris hydrogen, chloro or methoxy; Ris hydrogen, (C-C)-alkyl or &#x2014;CH(CH)COOCHCN; Ris hydrogen, (C-C)-alkyl or &#x2014;CH(CH)COOCHCN; Ris &#x2014;COCH, &#x2014;CO CH, &#x2014;SOCHor SOCH; n and m are independently 0,1 or 2, with the proviso: &#x2014;When, Y and Z both are Cl, Ris other than methyl. When, Ris Hydrogen and R, Rboth are alkyl, Ris selected from NHSOCHor NHSOCH. Disperse dyes of Formula (I) have excellent washing fastness and light fastness on polyester fiber and polyester blends. 

Disperse dyes

Novel disperse azo dyes of formula (I), and processes for preparation thereof. These dyes possess superior washing fastness, sublimation fastness and light fastness. 

Disperse azo dyes

Disperse non-azo dyestuff mixture comprising:         a method for the preparation of such mixtures and a method for coloring a synthetic textile material or fiber blend thereof using such mixtures.

Disperse dye mixtures

Monoazo dyestuffs of the general formula (1) wherein R, R, Rand n are as defined in claimmethod for their preparation and a method for colouring a synthetic textile material or fiber blend thereof using such dyestuffs.

AOX-free navy and black disperse dyes

The present invention relates to dye mixtures comprising at least one compound of the formula (I) ##STR1## and at least one compound of the formula (II) ##STR2## where the substituents are each as defined in the description part, which are highly useful for dyeing and printing hydrophobic synthetic material.

A blue type disperse dye mixture comprising 1.0 part by weight of at least one dye of the formula (1), from 0 to 0.2 part by weight of at least one dye of the formula (2), from 0.05 to 1.0 part by weight of at least one dye of the formula (3) and from 0.05 to 1.0 part by weight of at least one dye of the formula (4): ##STR1## wherein X is a chlorine atom or a bromine atom, R.sup.1 is a C.sub.1-5 alkyl group, R.sup.2 is a C.sub.1-4 alkyl group, and R.sup.3 is a C.sub.1-5 alkyl group or an allyl group, provided that R.sup.1, R.sup.2 and R.sup.3 may, respectively, be the same or different among the formulae (1) to (4).

Blue type disperse dye mixture and process for its preparation

A blue type disperse dye mixture comprising a monoazo dye of the formula (1) in an amount of 1.0 part by weight and at least one of anthraquinone dyes of the formulae (2) to (4) in a total amount of from 0.2 to 3.0 parts by weight: ##STR1##

Blue type disperse dye mixture

A monoazo dye of the following formula (I): ##STR1## wherein R is phenyl, phenoxy or benzyl, and D is a group of the formula (D1), (D2), (D3) or (D4): ##STR2## wherein each of X.sup.1, X.sup.2 and X.sup.3, which are independent of one another, is hydrogen or chlorine, X.sup.4 is hydrogen, chlorine, methyl or --NHCOR.sup.1, wherein R.sup.1 is C.sub.1-4 alkyl or phenyl; ##STR3## wherein X.sup.4 is as defined above, Y.sup.1 is hydrogen, chlorine or C.sub.1-4 alkoxy; ##STR4## wherein X.sup.5 is hydrogen, halogen, methyl or --NHZ, wherein Z is C.sub.1-4 alkylsurfonyl, C.sub.1-4 alkylcarbonyl, phenylsulfonyl, phenylcarbonyl, C.sub.1-2 alkoxy C.sub.1-2 alkylcarbonyl or aminocarbonyl, Y.sup.2 is hydrogen, methyl or C.sub.1-2 alkoxy, and Q.sup.1 is cyano or C.sub.1-4 alkylcarbonyl; ##STR5## wherein P is formyl, nitro or cyano, Q.sup.2 is cyano or nitro, T is halogen, methyl, phenyl or methylsulfonyl, X.sup.5 is as defined above, and Y.sup.3 is hydrogen or C.sub.1-2 alkoxy.

Benzothiazolemonoazo dyes

A blue disperse dye mixture comprising a monoazo dye of the following formula (1) and at least one azo dye selected from the group consisting of dyes of the following formulas (2), (3), (4) and (5): ##STR1## wherein each of the variables is defined in the specification.

Blue disperse dye mixture

A dye composition containing at least one turquoise blue monoazo dye of the formula (I): ##STR1## and at least one additional dye which is at least one yellow monoazo dye of the formula (II): ##STR2## or at least one blue anthraquinone dye of the formula (III): ##STR3## or at least one navy blue dye of the formula (IV): ##STR4##

Disperse dye compositions

A process for producing a monoazodye of the following formula (III): ##STR1## wherein X.sup.1 is nitro or halogen, X.sup.2 is halogen, R.sup.1 is lower alkoxy, R.sup.2 is lower alkyl, each of R.sup.3 and R.sup.4, which are independent of each other, is alkyl, cyanoalkyl or alkylcarbonyloxyalkyl, and each of m and n, which are independent of each other, is 0 or 1, which comprises diazotizing an aniline derivative of the following formula (I): ##STR2## wherein X.sup.1 and X.sup.2 are as defined above, followed by coupling with an aniline derivative of the following formula (II): ##STR3## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, m and n are as defined above, wherein a reaction mixture obtained by the coupling reaction is heat-treated in the presence of a polyoxyethylene higher fatty acid ester type nonionic surfactant, followed by filtration to obtain said monoazo compound in the form of a cake.

Process for producing a monoazodye by diazo-coupling of a p-nitroanaline

A monoazo dye of the following formula (I): ##STR1## wherein R is phenyl, phenoxy or benzyl, and D is a group of the formula (D1), (D2), (D3) or (D4): ##STR2## wherein each of X.sup.1, X.sup.2 and X.sup.3, which are independent of one another, is hydrogen or chlorine, X.sup.4 is hydrogen, chlorine, methyl or --NHCOR.sup.1, wherein R.sup.1 is C.sub.1-4 alkyl or phenyl; ##STR3## wherein X.sup.4 is as defined above, Y.sup.1 is hydrogen, chlorine or C.sub.1-4 alkoxy; ##STR4## wherein X.sup.5 is hydrogen, halogen, methyl or --NHZ, wherein Z is C.sub.1-4 alkylsulfonyl, C.sub.1-4 alkylcarbonyl, phenylsulfonyl, phenylcarbonyl, C.sub.1-2 alkoxy C.sub.1-2 alkylcarbonyl or aminocarbonyl, Y.sup.2 is hydrogen, methyl or C.sub.1-2 alkoxy, and Q.sup.1 is cyano or C.sub.1-4 alkylcarbonyl; ##STR5## wherein P is formyl, nitro or cyano, Q.sup.2 is cyano or nitro, T is halogen, methyl, phenyl or methylsulfonyl, X.sup.5 is as defined above, and Y.sup.3 is hydrogen or C.sub.1-2 alkoxy. The dyes of the formula (I) are useful for dyeing polyester fibers, particularly fine denier polyester fibers.

Thiophene-type monoazo dyes

A method for dyeing hydrophobic fibers black, wherein a mixed black dye is used which comprises a blue color component containing at least 70 wt % of a disperse dye of the following formula (I): ##STR1## wherein X is a chlorine atom or a bromine atom, and R is a methyl group or an ethyl group.

Method for dyeing hydrophobic fibers black and dye useful for the method

A disperse dye composition comprising compounds of the formulae (I) and (II): ##STR1## wherein each of R.sup.1 and R.sup.5 is a methyl group or an ethyl group, and each of R.sup.2, R.sup.3 and R.sup.4 is a C.sub.1-5 alkyl group, wherein the weight ratio of the compound of the formula (I) to the compound of the formula (II) is within a range of from 95:5 to 5:95.

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Fukuoka, Japan

Kiyoshi Himeno