42results about How to "Shade stability" patented technology

The present invention relates to a kind of special dyestuff applied in mixing fabric and interweaving fabric dyeing, mixed by anion dyestuff, cation dyestuff and surface active agent. The weight proportion of anion and cation dyestuff is 5 - 95 : 5 - 95, the surface active agent is 1% - 200% of the sum of anion and cation dyestuff; the anion dyestuff is selected from acid dyestuff, weak acid dyestuff, neutral dyestuff, active dyestuff or direct dyestuff; the cation dyestuff is selected from cation dye or alkali dyestuff; the surface active agent is selected from fatty mellow polyethyleneoxide ether, alkyl mellow polyethyleneoxide sulfuric ester from the esterification reaction of average add and strong sulfuric acid, the methylene double sodium naphthalenesulfonate added levelling agent O or alkyl phenol polyethyleneoxide ether OP-10. The dyestuff can effectively prevent the interaction of different dyestuff components to form compound or such phenomenon as sedimentation, which can make mixing spinning and interweaving fabrics whose dyeing technologic conditions mutually conflicts as fur/nitrile and cotton/nitrile realize the dyeing technics of One Bath One Step method.

The invention relates to a polyester/sorona mixed fabric disperse dye one-bath process dyeing method. According to the determined optimal dyeing process of polyester/sorona mixed fabric, the dye dosage is greater than or equal to 2% (owf), the pH value is 5.5, the dyeing time is 50 minutes, the dyeing temperature is 110 DEG C, and the carrier dosage is 1.5g/L. The result indicates that the dyeing method can obtain a product with stable color light, good homochromatism and high color fastness; and the process is simple, the time is short, and the production cost is low.

The present invention relates to the technical field of disperse dyes, and provides an azo type disperse dye composition synthesis method so as to solve the problem of not ideal light fastness of the single color variety due to 2,4-dinitroaniline. The synthesis method comprises that: a diazo component 2,4-dinitroaniline of various components in the desired mixture concurrently reacts in the same diazotization device, various coupling components of the mixed dye are coupled in the same coupling device through a plurality of coupling manners according to the ratio requirement with the diazo during coupling, the obtained coupling solution can be subjected to a temperature increase crystal transformation treatment before entering a filter if necessary so as to make the crystal form of the obtained dye be stable, and pressure filtration is performed to directly obtain the dye mixture with the required ratio. According to the present invention, the light fastness problem is solved, the crystal transformation process is mild, and the high temperature dispersion stability, the low temperature dispersion stability and the chromatic light of the dye are stable.

The invention discloses modified non-woven fabric as well as a preparation method and a use method thereof. The modified non-woven fabric is prepared from 1-6wt% of ionic liquid, 8-20wt% of a reactive cation modifier and 1-6wt% of inorganic strong alkali based on the weight of the non-woven fabric. The modified non-woven fabric provided by the invention can effectively absorb or adsorb free anionic dyes in dyeing waste liquid or water washing liquor obtained after dyeing, thus increasing the washing efficiency, improving the performance of the washed fabric and reducing the washing temperature; furthermore, a soaping agent does not need to be added, and the pollution level of the waste water is remarkably reduced.

The present invention relates to a technology using a vaccinium bracteatum plant dye for dyeing of real silk, the technology includes 60 DEG C water bath extraction of the vaccinium bracteatum plant dye and low temperature environmental-friendly dyeing, the dyeing is as follows: wetting real silk, squeezing to dry, putting the real silk into the plant dye with the bath ratio of 1:20 to 1: 30, adding a mordant or not, heating the water bath to 50-75 DEG C at a heating rate of 1.5 DEG C/min for thermal insulation dyeing for 1-2h; taking a dyeing cup out, standing at room temperature for 7-8h; after the dyeing, steaming the real silk at the temperature of 100-103 DEG C for 10-15min, after washing with water, boiling with soap at 90-100 DEG C for 5-10min, and finally drying at 50-60 DEG C. The obtained real silk has a rare black blue color and special natural flower and plant fresh scent.

The invention relates to a dark colored reactive dye with high fixation rate, belonging to the technical field of chemical dyestuff. The dark colored reactive dye consists of dark blue, red and yellow reactive dyes. The dye is characterized by comprising dark blue, red and yellow components in structures shown in general formulae. The three-primary-color reactive dye comprises the following components in ratio by weight: dark blue: red: orange=(50-80):(6-25):(6-20). The dark colored reactive dye provided by the invention is applicable to dyeing natural fibers such as cotton, hemps and regenerated fibers and is also applicable to dyeing protein fibers and polyamide fibers. The textile fibers can be in various forms such as fibers, yarns, fabrics or knitted goods. Dip dyeing means that the dyed object is absorbed in a dye bath with an appointed formula and then is fixed by alkali treatment, wherein the dyeing and fixing temperature is 50-70 DEG C. The leveling property of the dye is better promoted, the three components are good in compatibility, the colored light in a dyeing process is relatively stable, and the dye has good pitch-black degree.

The invention relates to the field of textile dyeing and finishing treatment, and concretely relates to a terylene fabric dispersive dyeing non-reduction cleaning technology. A high alkali-resistant dispersive dye is used for dyeing the terylene fabric, an alkaline solution is used for dyeing the terylene fabric, and soaping and washing can be carried out. The terylene fabric dispersive dyeing non-reduction cleaning technology does not require a reducing agent for reduction cleaning on dyeing terylene fabric, and can effectively remove floated color and color spot on the surface of the fabric,the dyed fabric can obtain the stable colored light and excellent washable color fastness, the technology is simplified and is more environmentally friendly, and reduces the enterprise cost, and increases the enterprise benefit.

The invention discloses a dye for terylene fabric embossing, which is prepared by the following components by weight percentage: 80% to 90% disperse red BLSF, 0.5% to 2% 3B red, and 8% to 18% diffusat MF. The invention also provides a manufacturing technique of the dye. The invention has the advantages of stable color tone, bright color, firmness, high dye uptake, environment friendliness, and safety.

The invention discloses a digital printing process for a polyester fabric. The process comprises the following steps that a digital printing thickner is prepared; a pretreatment agent is prepared; thepolyester fabric is cleaned by adopting deionized water, dried, and then placed in the pretreatment agent in S2, dipping is carried out twice, rolling is carried out twice, then the polyester fabricis taken out and dried to obtain a pretreated fabric; then sizing treatment is performed on the surface of the pretreated polyester fabric in S3 through the thickner obtained in S1; after the surfaceof the pretreated polyester fabric is sized, the pretreated polyester fabric is sent into a hot press, and the fabric is placed in a high-temperature high-pressure environment for hot pressing; the hot-pressed fabric in S5 is dried. A printing thickner colorant has stable colored light, bright color, a high color yield, a clear printing outline and good washing fastness and rubbing fastness, and is environmentally friendly and safe; the use of the pretreatment agent on the fabric can improve the mechanical properties of the fabric; the whole process is simple to operate, has a good printing effect and low cost, and the obtained pattern effect is exquisite and beautiful.

The invention discloses a coloring agent for pure cotton fabric dyeing and printing and a production process thereof. The coloring agent for pure cotton fabric dyeing and printing is prepared from the following raw materials in percentage by weight: 70 to 80 percent of reactive red GB, 10 to 20 percent of reactive brilliant red and 10 to 20 percent of anhydrous sodium sulphate. The coloring agent for pure cotton fabric dyeing and printing has the characteristics of stable color light, bright color, high dyeing rate, high fastness, good washable effect, environmental protection and safety.

The invention discloses a method for enhancing alkali resistance and oxidation resistance of benzothiazole disperse dyes, and belongs to the field of disperse dyes. According to the method, four diazocomponents and eight coupling components are adopted to design and synthesize 28-branch thiazole heterocyclic azo disperse dyes, so that the alkali resistance and the oxidation resistance of the disperse dyes are enhanced. The synthesized disperse dyes are subjected to structure confirmation, and the alkali resistance, the oxidation resistance and other dyeing properties of the disperse dyes aretested. According to the method for enhancing the alkali resistance and the oxidation resistance of the benzothiazole disperse dyes, the relationship between the dye structure and the alkali resistance and the oxidation resistance is clear, the disperse dyes with excellent alkali resistance and oxidation resistance are obtained, and the dyeing property is stable under the dyeing condition of 10g/Lsodium hydroxide or 5g/L hydrogen peroxide. The dyes can be applied to bleaching and dyeing one bath of polyester cotton and decrement dyeing one bath of polyester, short-process dyeing and finishingprocessing is achieved, and huge ecological benefits and economic benefits are generated.

The invention discloses a disperse grey dye composition, and belongs to the technical field of disperse dye compositions. The composition is characterized by comprising the following components in percentage by weight: a component A which is one or more of compounds shown as a formula (1-1), a formula (1-2), a formula (1-3) and a formula (1-4); a component B which is a compound as shown in a formula (2); a component C which is a compound as shown in a formula (3); and a component D which is one or more of compounds as shown in a formula (4). Compared with common disperse grey dye compositions, the disperse grey dye composition disclosed by the invention is high in coloring consistency and good in compatibility in a dyeing process, does not generate dyeing defects even if dyeing interruption is caused by a failure in the dyeing process, and is particularly suitable for a short-process rapid dyeing process.

The invention discloses a pure cotton textile dyeing and printing dye and a production technology of the same. The pure cotton textile dyeing and printing dye is prepared by the following materials in percent by weight: 70%-80% of active black BMGB; 10%-20% of reactive brilliant blue BR and10%-20% of anhydrous sodium sulphate. The pure cotton textile dyeing and printing dye has the characteristics of being stable in color light, bright in color, high in dye-uptake, strong in fastness, excellent in washing resisting effect and environment-friendly and safe.

The invention relates to a batch dyeing method to dye cotton fabrics with vat dyes under enhanced oxidation and zero soaping and belongs to the technical field of printing and dyeing. The technical problem to be solved is to provide a batch dyeing method with vat dyes under enhanced oxidation and zero soaping. The batch dyeing method to dye cotton fabrics with vat dyes under enhanced oxidation andzero soaping comprises the steps of after mercerizing and before dyeing entry for dry fabric, performing all-in bath reduction, carrying out jig dyeing and vat treating, oxidizing, cold washing, hotwashing, cold washing, and rolling. An oxidizing liquid includes 1-7 g/L OF 100% hydrogen peroxide; a reducing liquid includes 3.2-12 g/L of 100% caustic soda, 3-12 g/L of 85% sodium hydrosulfite and-24 g/L of sodium sulfate. The oxidation parameters of the traditional process are adjusted, oxidation is enhanced, soaping is omitted, the process route is shortened, benefit is improved, and the cost is lowered.

The invention discloses a colorant for digital printing of polyester fabric, comprising, by weight, 60-80% of disperse red, 8-15% of disperse pink, 5-15% of a dispersing agent, 2-5% of a dye leveler,2-5% of an anti-wrinkle softener, and 1-5% of an irrigation inhibitor. The invention also discloses a production technique of the colorant, characterized by comprising the steps of (1) adding cold water into a vat; (2) adding the dye leveler and the irrigation inhibitor into the vat; (3) adjusting PH via glacial acetic acid; (4) after first heating, adding the disperse red No. 60, the disperse pink BG and the dispersing agent, and maintaining; (5) continuing to perform heating, maintaining the temperature, and performing color matching. The colorant has the advantages of good chromatic stability and bright color, high color yield, clear outline of printed patterns, good water fastness and friction fastness, and good environmental friendliness and safety.