A reactive navy to black dye composition comprises component A and component B, wherein component A is selected from one or more compounds of formula (I), component B is selected from one or more compounds of formula (II); D.sup.1 and D.sup.2 are each independently a group represented by the following formula (a) or (b) or (c); R.sup.1-R.sup.12 are each independently selected from the group consisting of H, linear or branched C.sub.1C.sub.4 alkyl, C.sub.1C.sub.4 alkoxy and sulfo; m, n=0-3, and every R.sup.3 is each independently selected from the group consisting of amino, sulfo, ureido, C.sub.1C.sub.4 alkanoylamino, C.sub.1C.sub.4 alkoxy and C.sub.1C.sub.4 alkyl, every R.sup.6 is each independently selected from the group consisting of amino, hydroxyl and sulfo; X.sup.1-X.sup.3 are each independently selected from the group consisting of H, C.sub.1C.sub.4 alkyl, C.sub.1C.sub.4 alkoxy, SO.sub.2Y.sup.1, NHCO(CH.sub.2).sub.pSO.sub.2Y.sup.2 and CONH(CH.sub.2).sub.qSO.sub.2Y.sup.3, and at least one of D.sup.1 and D.sup.2 contains a fiber-reactive group, p, q=1-3, and Y.sup.1Y.sup.5 are each independently selected from the group consisting of CHCH.sub.2, C.sub.2H.sub.4OSO.sub.3H and CH.sub.2CH.sub.2Cl. A reactive navy to black dye product comprising the dye composition, has the properties of good washing fastness, high degree of fixation and dye-uptake, good build-up, clear remanent dyeing liquor, and the like. ##STR00001##

A whitening composition for fabric, in particular, unbleached cellulosic fiber-containing fabric is described. The composition includes a blue dye, a violet dye; and, optionally, a thickening agent; wherein the composition is free of bleaching agents and optical brighteners. A method of whitening a fabric using whitening compositions is also disclosed.

A whitening composition for fabric, in particular, unbleached cellulosic fiber-containing fabric is described. The composition includes a blue dye, a violet dye; and, optionally, a thickening agent; wherein the composition is free of bleaching agents and optical brighteners. A method of whitening a fabric using whitening compositions is also disclosed.

A finishing method for reactive dye inkjet printing based on a cationic modifier includes: using the inkjet printing method to spray print the cationic modifier ink and the reactive dye ink on the cellulose fiber fabrics' pattern area after being subjected to sizing treatment, then subjecting the fabrics to steaming or baking treatment, and subjecting the fabrics to soaping to get the reactive dye inkjet printing fabrics. The timespan of spray printing the cationic modifier ink and reactive dye ink is 0-2 min. Cationic modifier ink includes 1.0-60.0 wt % cationic modifier. The cationic modifier refers to the molecular whose structure contains reactive group and positive charge group and the number average molecular weight of 100-30000. The reactive group is one or more in the group containing epoxy group, triazine, pyridine, and olefin. The positive charge group is one or more in the group containing quaternary ammonium salt, and ammonium chloride.

A finishing method for reactive dye inkjet printing based on a cationic modifier includes: using the inkjet printing method to spray print the cationic modifier ink and the reactive dye ink on the cellulose fiber fabrics' pattern area after being subjected to sizing treatment, then subjecting the fabrics to steaming or baking treatment, and subjecting the fabrics to soaping to get the reactive dye inkjet printing fabrics. The timespan of spray printing the cationic modifier ink and reactive dye ink is 0-2 min. Cationic modifier ink includes 1.0-60.0 wt % cationic modifier. The cationic modifier refers to the molecular whose structure contains reactive group and positive charge group and the number average molecular weight of 100-30000. The reactive group is one or more in the group containing epoxy group, triazine, pyridine, and olefin. The positive charge group is one or more in the group containing quaternary ammonium salt, and ammonium chloride.

A reactive navy to black dye composition comprises component A and component B, wherein component A is selected from one or more compounds of formula (I), component B is selected from one or more compounds of formula (II); D.sup.1 and D.sup.2 are each independently a group represented by the following formula (a) or (b) or (c); R.sup.1-R.sup.2 are each independently selected from the group consisting of H, linear or branched C.sub.1C.sub.4 alkyl, C.sub.1C.sub.4 alkoxy and sulfo; m, n=0-3, and every R.sup.3 is each independently selected from the group consisting of amino, sulfo, ureido, C.sub.1C.sub.4 alkanoylamino, C.sub.1C.sub.4 alkoxy and C.sub.1C.sub.4 alkyl, every R.sup.6 is each independently selected from the group consisting of amino, hydroxyl and sulfo; X.sup.1-X.sup.3 are each independently selected from the group consisting of H, C.sub.1C.sub.4 alkyl, C.sub.1C.sub.4 alkoxy, SO.sub.2Y.sup.1, NHCO(CH.sub.2).sub.pSO.sub.2Y.sup.2 and CONH(CH.sub.2).sub.qSO.sub.2Y.sup.3, and at least one of D.sup.1 and D.sup.2 contains a fiber-reactive group, p, q=1-3, and Y.sup.1Y.sup.5 are each independently selected from the group consisting of CHCH.sub.2, C.sub.2H.sub.4OSO.sub.3H and CH.sub.2CH.sub.2Cl. A reactive navy to black dye product comprising the dye composition, has the properties of good washing fastness, high degree of fixation and dye-uptake, good build-up, clear remanent dyeing liquor, and the like.

##STR00001##

A reactive dye compound and preparation method and application for printing and dyeing of cellulosic fibers, polyamide fibers and fabrics thereof. Formula (I) is the dye compound structure where D.sup.1 and D.sup.2 are each independently the group of the following formula (a) or (b) or (c), and D.sup.1 and D.sup.2 are not simultaneously selected from the following formula (a). R.sup.1, R.sup.2, R.sup.4, R.sup.5, R.sup.7 and R.sup.8 are each independently H, linear or branched C.sub.1C.sub.4 alkyl, C.sub.1C.sub.4 alkoxy or sulfo; m=0-3. Each R.sup.3 is independently selected from amino, sulfo, ureido, C.sub.1C.sub.4 alkyl, C.sub.1C.sub.4 alkanoylamino or C.sub.1C.sub.4 alkoxy, n=0-3, and each R.sup.6 is independently selected from hydroxyl, amino and sulfo. X.sup.1, X.sup.2 and X.sup.3 are each independently H, C.sub.1C.sub.4 alkyl, C.sub.1C.sub.4 alkoxy, SO.sub.2Y.sup.1, NHCO(CH.sub.2).sub.pSO.sub.2Y.sup.2 or CONH(CH.sub.2).sub.qSO.sub.2Y.sup.3, and at least one of D.sup.1 and D.sup.2 contains a fiber-reactive group. Y.sup.1Y.sup.3 are each independently CHCH.sub.2, C.sub.2H.sub.4OSO.sub.3H or CH.sub.2CH.sub.2Cl, p=1-3, and q=1-3.

##STR00001##

A reactive dye compound and preparation method and application for printing and dyeing of cellulosic fibers, polyamide fibers and fabrics thereof. Formula (I) is the dye compound structure where D.sup.1 and D.sup.2 are each independently the group of the following formula (a) or (b) or (c), and D.sup.1 and D.sup.2 are not simultaneously selected from the following formula (a). R.sup.1, R.sup.2, R.sup.4, R.sup.5, R.sup.7 and R.sup.8 are each independently H, linear or branched C.sub.1C.sub.4 alkyl, C.sub.1C.sub.4 alkoxy or sulfo; m=0-3. Each R.sup.3 is independently selected from amino, sulfo, ureido, C.sub.1C.sub.4 alkyl, C.sub.1C.sub.4 alkanoylamino or C.sub.1C.sub.4 alkoxy, n=0-3, and each R.sup.6 is independently selected from hydroxyl, amino and sulfo. X.sup.1, X.sup.2 and X.sup.3 are each independently H, C.sub.1C.sub.4 alkyl, C.sub.1C.sub.4 alkoxy, SO.sub.2Y.sup.1, NHCO(CH.sub.2).sub.pSO.sub.2Y.sup.2 or CONH(CH.sub.2).sub.qSO.sub.2Y.sup.3, and at least one of D.sup.1 and D.sup.2 contains a fiber-reactive group. Y.sup.1Y.sup.3 are each independently CHCH.sub.2, C.sub.2H.sub.4OSO.sub.3H or CH.sub.2CH.sub.2Cl, p=1-3, and q=1-3.

##STR00001##

A fiber assembly including cellulose water-repellent fibers of the present invention is at least one selected from cotton, a fiber bundle, a yarn, and a gray fabric. A water-repellent agent is in a cross-linked state and fixed to the surface of cellulose fibers. A method for producing a fiber assembly including cellulose water-repellent fibers of the present invention includes applying a water-repellent agent to at least one fiber assembly selected from cotton, a fiber bundle, a yarn, and a gray fabric, and cross-linking the water-repellent agent to the surface of cellulose fibers by drying and then heat curing. Thus, the present invention provides a fiber assembly including cellulose water-repellent fibers that has durable water repellency, can be used for resist dyeing, and does not cause color transfer, a method for producing the fiber assembly, and a fiber product using the fiber assembly.

Functionalizing a fibrous material having a plurality of hydroxyl groups includes reacting the fibrous material with a compound of Formula I: ##STR00001##
where X is a monovalent counteranion for the quaternary ammonium cation of Formula I and Hal is a halogen atom, to obtain the functionalized fibrous material. Also provided is a functionalized fibrous material prepared by any one of the methods described herein (e.g., a functionalized fiber including a moiety of Formula II: ##STR00002##
having an odor of free amine below the threshold of detection, or having an odor of free amine with degree of offensiveness of about 3 or less. The functionalized fibrous material may be dyed, and articles of clothing may be made from the dyed functionalized fibrous material.