54results about How to "Good same color" patented technology

The invention relates to an energy and water saving dyeing method for a seamless underwear. A seamless weft knitting weaving technology is used for achieving one-off weaving forming of the seamless underwear. The dyeing and finishing process of the seamless underwear after being woven includes oxygen bleaching by the liquor ratio of 1: 8-10, dyeing by the liquor ratio of 1: 12-15 and soaping by the liquor ratio of 1: 8-10. By means of the energy-saving dyeing and finishing technology of non-caustic-soda oxygen bleaching process, one-bath one-step dyeing process and biological enzyme soaping process, one-time accurate dyeing is achieved, one-bath one-step completion is achieved, processing time is shortened, and sewage discharge and treatment are reduced.

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 invention relates to seamless knitting anti-electromagnetic radiation clothing and a manufacturing method thereof. The seamless knitting anti-electromagnetic radiation clothing consists of two layers of fabrics which are outer knitting fabric and inner shielding fabric. The outer knitting fabric comprises the following fiber compositions by weight percentage: 80-90 percent of chinlon 6 stretch yarns, 5-10 percent of chinlon 66 stretch yarns and 5-10 percent of spandex elastic fiber yarns; and the inner knitting fabric comprises the following fiber compositions by weight percentage: 50-55 percent of chinlon 6 stretch yarns and 45-50 percent of silver metal conductive fiber yarns; and after assistants such as 3 percent of leveling agents, 4 percent of detergents, 4 percent of creasing agents, 2 percent of penetrants and 0.5 percent of ammonium sulfate are added, an appropriate amount of dyes is added again. The seamless knitting anti-electromagnetic radiation clothing has the advantages of anti-electromagnetic radiation and good shielding effect and is comfortable to wear.

The invention relates to a blended fabric dyeing and finishing technology, and particularly relates to a dyeing and finishing technology of a Lyocell and cotton and spun silk blended fabric. The invention aims at providing a dyeing condition capable of well coordinating Lyocell and cotton and spun silk to produce a high-quality product. The dyeing and finishing technology of the Lyocell and cotton and spun silk blended fabric comprises the processes of pretreatment, dyeing and the like; the pretreatment process comprises desizing and bleaching, wherein the desizing is performed by an enzyme-oxygen cold batch technology, and desizing enzyme, a chelating dispersant, a dewaxing agent and a refining agent are added in the desizing process; and 100% hydrogen peroxide and a stabilizer are added in the bleaching process. Through the invention, the problems of difficult color register and long technological flow are successfully solved; and through the method, the dyeing flow of the fabric is more reasonable, the production is clean and environment-friendly, and the product quality is stable.

The invention relates to a dyeing method for hybrid loose fibers and particularly relates to a method for co-bath dyeing of the hybrid loose fibers including wool fibers, spun silk fibers and regenerated cellulose fibers in a same cylinder, which belongs to the field of fabric dyeing. According to the technical scheme, the dyeing method comprises the step of performing pretreatment on the hybrid loose fibers subjected to co-bath in the same cylinder, wherein the pretreatment comprises the procedures of performing reduction bleaching on the fibers by sodium hydrosulfite and oxidation bleaching on the fibers by hydrogen peroxide, and then performing once same-color dyeing on the hybrid loose fibers through co-bath in the same cylinder by vinyl sulfone reactive dyes or reactive dyes containing vinyl sulfone groups. The dyeing method is used for dyeing the three loose fibers in the same dyeing cylinder by the reactive dyes, fulfills the aim of dyeing the three fibers, and changes the conventional processing mode of dyeing the three loose fibers for three times independently in the current spinning processing of colored blended yarns, thus greatly reducing the processing flow of the colored blended yarns, lowering the production costs of the colored blended yarns, achieving remarkable effects of energy conservation and emission reduction, and ensuring good homochromatism of the three fibers.

The invention relates to novel aqueous polyurethane-acrylate composite impregnating resin and a preparation method thereof and aims to enable resin prepared by the method provided by the invention to simultaneously have the advantages of aqueous polyurethane and water-based acrylic acid, and become aqueous polyurethane-acrylate (PUA) composite resin. The technical scheme is that the novel aqueous polyurethane-acrylate composite impregnating resin is prepared from the following components: an acrylate monomer, dimethylolpropionic acid (DMPA) and the like; the preparation method of the novel aqueous polyurethane-acrylate composite impregnating resin comprises the following steps: firstly, preparing a polyurethane prepolymer; secondly, preparing an aqueous polyurethane-acrylate monomer mixed emulsion; thirdly, adding 20 percent of the mixed emulsion obtained by preparation in a reactor, adding remaining deionized water, improving the temperature to be 80 DEG C, and adding potassium peroxodisulfate serving as an oxidant for initiating; at the moment, paying attention to controlling temperature mutation; after clear blue light appears in the emulsion, keeping the reaction temperature unchanged, and dropwise adding remaining mixed emulsion and sodium hydrogen carbonate serving as a buffering agent.

This invention discloses one process method to improve crust or cotton mixture dying property, which comprises the following steps: adopting anode ion etherifying agent, alkaline agent and other assistant agent before mixture fabric dying. This invention adopts cation crust or cotton mixture fabric for pre-process for dying, which improves the cotton fiber direct property and reduce dying rate difference on curst fiber and mixture fabric even dying.

The invention discloses a neutral dye composition which consists of a dye component and an auxiliary component. In the dye composition, three dyes are mixed in compatibility, and each of the three dyes is asymmetric 1:2 metal complex. The composition has better isochromatic property in dyeing wool, chinlon and chinlon-spandex blend fiber to obtain better color tone, better wet fastness, water logging fastness of level 5, rubbing fastness of level 5, light fastness of level 6, perspiration (alkali) of level 4-5, perspiration (acid) of level 4-5, consistent dyeing curve, high dyeing rate and good isochromatic property; and the composition can be widely applied to the dip dyeing for continuous dyeing.

The invention relates to a one-bath and one-step dyeing preparation method of brocade/cotton blended fabric acid dyes. The method includes the steps: mixing and reacting a brocade/cotton blended fabric and fiber modifying agents with quaternary ammonium groups, adding alkali solution to continue to react mixture, taking out the fabric, washing the taken fabric by the aid of water, treating the washed fabric by the aid of acid solution, and washing and drying the fabric to obtain a modified brocade/cotton blended fabric; mixing the modified brocade/cotton blended fabric, acid dyes and levelingagents, adding pH (potential of hydrogen) conditioning agents to adjust pH of dye bath to reach 3-5, performing one-bath and one-step dyeing, discharging liquid, and performing washing, color fixing and drying on the modified brocade/cotton blended fabric to obtain the dyed brocade/cotton blended fabric. A dyeing process is simple to operate, high in efficiency, high in device adaptability and lowin cost, the dyed blended fabric is good in union color property, bright in color and excellent in washing fastness and rubbing fastness, and the method has far-reaching influence on development of brocade/cotton blended fabric dyeing techniques.

The invention discloses an environmentally friendly dye composition which comprises the components of a natural dye, a natural mordant, a cationic color fixing agent, a compound natural color fixing agent, an amino silicone softener, sea salt and natural diatomaceous earth. The added natural mordant is not only environmentally friendly, but also improves the dye uptake rate of the dye; the cationic color fixing agent can form a stable color lake with the dye to prevent the dye from detaching and hydrolyzing due to ionization; and the natural color fixing agent can be crosslinked with the dye to form a membrane, so that the dye is not easy to fall off, and a good color fixing role can be played; the added amino silicone softener can not only improve the softness and smoothness of an embroidery thread, but also forms a film with a poor water absorption performance to further play a color fixing and protecting effect, the components work together to allow the dye composition to have the advantages of environmental protection, high dye uptake rate and high color fixation rate, and the phenomenon of desorption of the dye can effectively reduced, and the problem that the dye is easy to fade when meeting water can be improved.

The invention relates to a dyeing method for silkworm chrysalis protein and propylene graft copolymerization fiber, and its characteristic: adopting positive ion dye to dye them on the condition of adding DCP level dyeing agent, where the components of the level dyeing agent: C12-C18 alkyl dimethyl benzyl ammonium chloride, fatty alcohol polyoxyethylene (20-35), sorbitol fatty acid ester (C11H23COOC6H8(OH)5) and water. Before dyeing, it uses oxydol to bleach the fiber. The dyeing method is simple and the finished product has good homochromy and chroma.

Manufactures cotton fibers and fabrics containing cotton fibers with a glossy surface, soft touch, and excellent dyeability. Or when dyeing yarn or cloth containing both cotton fibers and regenerated cellulose fibers, the uniformity (same color) of the degree of dyeing between cotton fibers and cellulose fibers can be improved without impairing the hand feeling , and impart sufficient dyeability. Through the aqueous solution of potassium hydroxide whose surface tension is less than 75dyn/cm2, the yarn or cloth is treated under the condition of no tension until the static friction coefficient of the cotton fiber surface is 50-75% of the unprocessed product. Or process under tension until the coefficient of static friction is 40-65% of the unprocessed product.

The invention discloses a homochromatic dyeing process for a chitin-containing viscose-fiber fabric. The method comprises the following steps: (S1) carrying out pretreatment: submerging the chitin-containing viscose-fiber fabric into isopropyl alcohol, adding a sodium hydroxide solution, carrying out uniform stirring, then, adding an etherifying agent CTA, carrying out a reaction with stirring, pumping off a solvent, carrying out water washing, and carrying out baking; (S2) carrying out reactive dyeing: submerging the fabric into a reactive dye dyeing solution, heating the reactive dye dyeing solution to a primary dyeing temperature, adding an organic solvent B, heating the solution to a dyeing temperature, then, adding organic base and sodium carbonate according to the volume of the reactive dye dyeing solution, then, cooling the solution to a color fixation temperature, carrying out heat preservation, cooling the solution to room temperature; (S3) carrying out aftertreatment: washing the fabric by water, carrying out soaping, carrying out water washing again, and carrying out air-drying. According to the homochromatic dyeing process for the chitin-containing viscose-fiber fabric, the defect that the dyeing rate of chitin viscose fibers is relatively high can be overcome, a uniform and consistent dyeing effect is obtained, and the homochromatic dyeing process has the advantages of high color fastness and simple process.

The invention discloses a dyeing method of a wool-silk blended fabric. The dyeing method comprises the following steps: sequentially adding sodium chloride, dye leveler, acidic condense dye and metal complex dye based on 1: 2 to a constant-temperature water bath and uniformly stirring; adding the wool-silk blended fabric to the constant-temperature water bath, and dyeing, wherein the setting temperature of the constant-temperature water bath is 30 to 40 DEG C; raising the temperature of the solution in the constant-temperature water bath to reach 97 DEG C; and continuously dyeing to obtain the dyed wool-silk blended fabric. According to the mode mentioned above, the dyeing method of the wool-silk blended fabric has the advantages that the wool-silk blended fabric is dyed by homochromy dyeing technology, so that the blended fabric is high in homochromatism and is nearly not damaged; the dye is firmly attached on the blended fabric and cannot be decoloured after placing under the blazing sun; and little wastewater and waste are generated during preparation, so that the pollution to the water and the environment can be greatly reduced.

The invention discloses a dyeing and finishing processing technology of a celery fiber cotton blended fabric. The fabric is formed by blending and weaving celery fibers and cotton fibers, the weight percentage of the two fiber components is 40% of celery fibers and 60% of cotton fibers, and the main body length range of the celery fibers is 40-70mm; the dyeing and finishing process mainly comprises the steps of weaving, scouring, bleaching, dyeing and finishing; and the weaving process mainly comprises the steps of opening picking, cotton carding, drawing, roving, spinning, spooling, warping,slashing and weaving. The dyed celery fibers and cotton fibers are good in homochromatism, so that the strength damage of the fabric is reduced.