摘要:
A dye mixture and a method of dyeing cellulosic fibers by use of the dye mixture, the dye mixture being capable of dyeing the cellulosic fibers favorably even in the presence of a small amount of an inorganic salt at dyeing, and being composed of a blend of a red water-soluble reactive dye to be represented by the following general formula (I) in the form of free acid, and a specific yellow and/or blue water-soluble reactive dye: ##STR1## (where: each of R.sup.1 and R.sup.2 denotes a hydrogen atom or a lower alkyl group which may contain therein a substituent; R.sup.3 represents a hydrogen atom, a lower alkyl group or a halogen atom and X designates --CH.dbd.CH.sub.2 or --C.sub.2 H.sub.4 OSO.sub.3 H).
摘要翻译:PCT No.PCT / JP88 / 00226 Sec。 371日期1988年10月31日第 102(e)日期1988年10月31日PCT提交1988年3月1日PCT公布。 出版物WO89 / 00184 日本1989年1月12日。染料混合物和通过使用染料混合物染色纤维素纤维的方法,即使在染色时少量的无机盐的存在下,染料混合物也能有利地染色纤维素纤维, 并且由游离酸形式的由以下通式(I)表示的红色水溶性活性染料和特定的黄色和/或蓝色水溶性活性染料的混合物组成:( I)(其中:R 1和R 2各自表示氢原子或可含有取代基的低级烷基; R 3表示氢原子,低级烷基或卤素原子,X表示-CH = CH 2 或-C 2 H 4 OSO 3 H)。
摘要:
A water-soluble dye mixture comprising a blue anthraquinone reactive dye represented in its free acid form by the formula: ##STR1## wherein X is --CH.dbd.CH.sub.2 or --C.sub.2 H.sub.4 W wherein W is a group removable by action of alkali and from 0.2 to 5 times by weight to said anthraquinone reactive dye of a blue formazan reactive dye represented in its free acid form by the formula: ##STR2## wherein R is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, Y is a halogen atom, --NHC.sub.2 H.sub.4 SO.sub.3 H or ##STR3## and X is --CH.dbd.CH.sub.2 or --C.sub.2 H.sub.4 W wherein W is a group removable by action of alkali.
摘要:
The present inventions refers to a dye mixture comprising from 25 to 80% by weight with respect to the total dyestuff fraction of the yellow dyestuff represented by the structural formula [1] and from 75 to 20% by weight with respect to the total dyestuff fraction of a yellow dyestuff represented by the structural formula [2] wherein R denotes a C1 to C4 hydroxyalkyl group.
摘要:
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.
摘要:
A water-soluble monoazodye having the following formula (I) in its free acid form: ##STR1## wherein X is --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 W wherein W is a leaving group removable by alkali; R.sup.1 is methyl, --NHCONH.sub.2 or --NHCOT.sup.1 wherein T.sup.1 is methyl, ethyl, --CH.sub.2 CH.sub.2 COOH or --CH.dbd.CHCOOH; R.sup.2 is hydrogen, lower alkyl or lower alkoxy;and Z is ##STR2## wherein P is cyano or halogen, each of Q and U which are independent of each other, is halogen, V is halogen or ##STR3## and Y is halogen or a group of the following formula (1) or (2): ##STR4## wherein R.sup.3, A, R.sup.4 and E are as defined in the disclosure and G is as defined above, has a moderate yellow to orange color and is particularly suitable for dyeing cellulose fibers or nitrogen-containing fibers.
摘要:
A disperse dye mixture comprising a monoazo dye of the following formula (1) and a monoazo dye of the following formula (2) blended thereto in an amount of from 0.1 to 10 times by weight of the dye of the formula (1): ##STR1## wherein each of X.sup.1 and X.sup.2 which are independent of each other, is nitro, cyano, sulfomethyl or halogen, each of Y.sup.1, Y.sup.2, Z.sup.1 and Z.sup.2 which are independent of one another, is hydrogen, cyano, nitro, trifluoromethyl, halogen or sulfomethyl, each of W.sup.1 and W.sup.2 which are independent of each other, is hydrogen, halogen, C.sub.1 -C.sub.2 alkyl or alkoxy, and each of R.sup.1 and R.sup.2 which are independent of each other, is C.sub.1 -C.sub.4 alkyl, or C.sub.2 -C.sub.4 alkyl which is substituted by cyano, halogen, hydroxy, hydroxyalkoxy, C.sub.1 -C.sub.4 alkyl, hydroxyalkoxyalkoxy, acyloxyalkoxy, acyloxyalkoxyalkoxy or alkoxyalkoxy.
摘要:
A water-soluble monoazo colorant represented by formula (I) in a form of a free acid: ##STR1## wherein D represents ##STR2## (wherein W.sup.2 represents lower alkoxy; U represents lower alkyl or lower alkoxy; Z represents --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 OSO.sub.3 H and p and q represent each 0 or 1);W.sup.1 represents lower alkoxy; andV represents ##STR3## (wherein X represents halogen; Y represents halogen, sulfo, --OR.sup.1 wherein R.sup.1 represents lower alkyl or lower alkyl substituted by hydroxy, carboxy or sulfo, --O--R.sup.2 O).sub.m R.sup.3 alkyl and m is an integer of 1 to 6, or aliphatic or aromatic amino each substituted by one or two sulfo or carboxy groups);as well as a dyeing process by using the same. These colorants are useful in the dyeing of fibers. These colorants are useful in the dyeing of fibers.
摘要:
A water soluble disazo colorant represented by formula (I) in the form of free acid: ##STR1## wherein K represents ##STR2## [wherein A represents a methyl group or a carboxylic group; R.sup.2 represents a hydrogen atom, an alkyl group of 1 to 8 carbon atoms, a sulfoalkyl grouop of 1 to 4 carbon atoms, or an alkyl group of 1 to 4 carbon atoms which is substituted by an alkoxy group of 1 to 4 carbon atoms;R.sup.3 represents a hydrogen atom, a halogen atom, a cyano group, a --CONH.sub.2 group, a carboxyl group, a sulfonic group, or a sulfomethyl group, p represents an integer of 1 or 2];Z represents a fluorine atom or ##STR3## [wherein R.sup.4 represents a hydrogen atom or an alkyl group of 1 to 4 carbon atoms;R.sup.5 and R.sup.6 each represents independently a hydrogen atom, an alkyl group of 1 to 4 carbon atoms, an alkoxy group of 1 to 4 carbon atoms, a sulfonic group, or a halogen atom; Y represents --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 W (wherein W represents a group which is released by the action of an alkali)];R.sup.1 represents a hydrogen atom or a lower alkyl group of 1 to 4 carbon atoms;Q represents a divalent aromatic or aliphatic residual group; andl, m, and n each represents an integer of 0 or 1. Such colorants are useful in the dyeing of fibrous materials.
摘要:
A disazo color having three triazine rings, one of which is substituted with a reactive group of --NR.sup.1 --A--SO.sub.2 C.sub.2 H.sub.4 OSO.sub.3 M, wherein R.sup.1 represents a hydrogen atom or a lower alkyl group; A represents a substituted or unsubstituted phenylene or naphthylene group; and M represents a hydrogen atom or an alkali metal. The disazo color is capable of dyeing cellulose-containing fibers under conditions conventionally employed for dyeing polyester fibers with a disperse dye, making it possible to dye mixed fibers of cellulose fiber and polyester fiber in a single-bath through one step.
摘要:
The present invention relates to the use of a yellow and/or a red and/or a blue component of disperse dyes for dyeing poly(lactic acid) fibers or poly(lactic acid) based fibers.