31results about How to "Shade effect is small" patented technology

The invention relates to a textile printing and dyeing pigment color fixing agent and a preparation method thereof. The textile printing and dyeing pigment color fixing agent mainly comprises acrylic ester, epichlorohydrin, organic siloxane, 2.2-azodi(2-methopropoxy acid)polyvinyl polypyrrolidone, dicyandiamide and deionized. The textile printing and dyeing pigment color fixing agent has a good color fixing effect on textiles which are dyed by pigments and small influences on textile colored lights, free formaldehyde is not generated in a synthetic process, and the textile printing and dyeing pigment color fixing agent belongs to an environment-friendly color fixing agent.

The invention discloses a formaldehyde-free fixing agent for an active dye. The formaldehyde-free fixing agent is prepared by compounding 2 to 4 compounds. The formaldehyde-free fixing agent has reactive functional groups and high cationic property, can effectively improve the dry rubbing fastness, wet rubbing fastness and color fastness to washing of fabrics dyed by the active dye, and has a little influence on the color tone of the fabrics.

The invention discloses a dyeing wastewater recycling method. The method is characterized by including the following steps that a high-polymer disperse agent and water are added into disperse dye filter cake for grinding, and filtering is conducted to obtain liquid disperse dye; the liquid disperse dye is weighed, water is added to prepare a dye bath, then a fiber material is immersed in dyeing equipment for dyeing, then the fiber material is taken out of the dyeing equipment, and after drying is conducted, a dyed fiber material is obtained; dyeing wastewater obtained after dyeing is conductedis reused for multiple times, the dyeing wastewater is returned to the step 2 as water used for the dye bath, and the step 2 is repeated to dye the fiber material. According to the dyeing wastewaterrecycling method, the high-polymer disperse agent is used for replacing conventional sodium sulfonate dispersion agents, not only is the dyeing effect good, but also washing is not needed, and the dyevat wastewater can be recycled, so that printing and dyeing wastewater discharge is greatly reduced.

The invention relates to a dye-fixing agent for a wool fiber and a preparation method thereof. The dye-fixing agent for the wool fiber mainly comprises hydroquinone, epoxy chloropropane, a catalyst, absolute ethyl alcohol and sodium hydroxide. The dye-fixing agent for the wool fiber has a good dye-fixing effect on wool fiber fabrics after dyeing the dyestuff, has slight influence on color of the fabrics and belongs to an environment-friendly dye-fixing agent, and free formaldehyde in the synthetic process is avoided.

The invention discloses an environment-friendly type synthetic tannin color fixing agent as well as a preparation method and application thereof. The color fixing agent is a synthetic tannin color fixing agent prepared from the following raw materials in percentage by mass: 15-30% of a phenol compound, 10-30% of an aromatic sulfonic acid compound, 1-5% of a catalyst, 5-15% of a formaldehyde solution, 0.5-2% of a chelating agent, 0.5-3% of a modifier, 1-4% of a dispersant and the balance of water. When being applied to color fixation of chinlon and blended fabrics, the synthetic tannin color fixing agent disclosed by the invention has the advantages of being good in acid resistance stability, small in color change, good in color fastness, and the like.

The invention discloses an environment-friendly chlorine-resistant color fixing agent, and a preparation method and application thereof. The chlorine-resistant color fixing agent comprises, by mass, 35-40% of chlorine-resistant intermediates, 0.1-1.0% of chelating agent, 0.5-5% of deoxidants and the balance of water. Proper functional monomers having high reactive activity with chlorine are selected and then composited into the chlorine-resistant color fixing agent, the environment-friendly chlorine-resistant color fixing agent reacts with active chlorine preferentially, damage of the active chlorine to a dye molecule color development system is reduced, and accordingly, the chlorine water resistance and color fastness of dyed textiles are improved.

The invention relates to a preparation method and an apparition of a wet rubbing fastness improver containing copper microcapsules. The preparation method comprises the following steps: (1), silane modified ultrafine copper nanopowder is prepared; (2), the ultrafine copper nanopowder is ground and dried to constant weight; (3), the dried ultrafine copper nanopowder, 2,2'-azodiisobutyronitrile, divinyl benzene, butyl acrylate, methyl methacrylate and distilled water are mixed uniformly, tricalcium phosphate is added, and the mixture is subjected to ultrasonic vibration to obtain a dispersing liquid; (4) the dispersing liquid is placed into a flask with four necks to be subjected to heating, micro-suspension polymerization, heating and curing, and a product is washed with excessive hydrochloric acid solution and then washed to neutral to obtain the wet rubbing fastness improver containing the copper microcapsules. The prepared wet rubbing fastness improver containing the copper microcapsules can improve the wearability of fabric dyed with reactive dye, and the preparation method has the characteristics of simplicity, low cost, little time and labor investment, low toxicity of synthetic raw materials and reduction of environmental pollution.

The invention discloses a poly-dimethylallyl (2-benzoyl-5-n-butoxypolyethylene phenyl) ammonium bromide synthesis method and a dye-fixing agent. According to the method, a molecule is acquired by the aid of a chemical synthesis mode and contains reactive groups, quaternary ammonium salt groups, ultraviolet absorbing groups, benzophenone groups and double-bond groups, the double-bond groups are polymerized to obtain a macromolecular compound containing more than two functional groups, a structure of a synthesis substance is represented, and the macromolecular compound is used for the dye-fixing agent (dyeing and finishing additive) of reaction dye dyeing processes. The dye-fixing agent saves energy, reduces emission and consumption on section of dye-fixing processes, sunlight fastness and ultraviolet protection factors of dyed fabrics can be improved, a common commodity dye-fixing agent does not have the performance, the comprehensive dye-fixing effect of the dye-fixing agent reaches or is superior to that of the commodity dye-fixing agent, so that the dye-fixing agent has high practical values and can be effectively applied to enterprise production.

The invention discloses a preparing method of a novel acidic dye-fixing agent for seamless underwear and the prepared dye-fixing agent. The preparing method comprises the steps of mixing bisphenol S, dibutyltin oxide and an alkanolamide solution, conducting heating and stirring processing on the mixture, then adding hexamethyldisilazane into the mixture, and conducting cooling and stirring processing on the mixture, wherein the mass ratio of bisphenol S to dibutylin oxide to hexamethyldisilazane is (28-36):(1-5):(5-13) and the volume ratio of hexamethyldisilazane to the alkanolamide solution is 1:(6-8); adding a citric acid solution into the mixture, and stirring the mixture at the temperature of 62 DEG C, wherein the volume ratio of hexamethyldisilazane to the citric acid solution is 1:(15-17); dropwise adding an isomeric alcohol ethoxylate solution into the mixture, conducting stirring processing on the mixture at the temperature of 55 DEG C, and lowering the temperature to a normal temperature so as to obtain the novel acidic dye-fixing agent. According to the preparing method of the novel acidic dye-fixing agent for seamless underwear and the prepared dye-fixing agent, the dye-fixing agent is free of formaldehyde, excellent in color fixation effect, and very strong in alkali resistance and high temperature resistance; the dye-fixing agent has no influence on bright hues of reactive dyes; the dye-fixing agent is free of color change, has no influence on chlorine fastness, light fastness and perspiration fastness of dye materials, is green and environmentally friendly, and is suitable for industrialized production.

The invention discloses an environment-friendly non-ionic surfactant for high-temperature level dyeing of a superfine fiber fabric. The surfactant is prepared from the following components in parts by weight of 10 to 20 parts of dimethyl diallyl ammonium chloride, 4 to 10 parts of xylanase, 3 to 9 parts of JFC, 2 to 6 parts of Bugong tea saponin, 4 to 8 parts of poly(acrylamide-co-diallyl dimethyl ammonium chloride), 2 to 6 parts of graphene oxide, 4 to 8 parts of sodium potassium tartrate, 6 to 12 parts of N-alkyl betaine and 8 to 14 parts of deionized water. The preparation process is simple, the prepared surfactant can be used for an optimized modification process of the superfine fiber fabric, the dye uptake is greatly improved, the dyeing wastewater amount is reduced, and the environment is protected.