55results about How to "Little impact on hand feeling" patented technology

The invention provides a method for improving antibacterial property of wool by a bio-enzymatic method, which belongs to the field of textile biotechnology. The method utilizes the catalysis of transglutaminase (MTG) to graft some natural compounds which contain primary amine groups and have antibacterial property onto wool to improve the antibacterial property of the wool. The method comprises the following process flows: wool pretreatment, treatment with an MTG-containing antibacterial finishing agent, washing and drying. Wool yarn or fabric treated by the method not only has improvement on the antibacterial property but also correspondingly has improvement on some other properties and particularly has great improvement in low-temperature dyeing property. Meanwhile, the method improves the strength of the wool yarn or the fabric, thereby playing a role in restoring strength. The strength-restoring function is an outstanding advantage of the method compared with other antibacterial finishing agents or antibacterial finishing processes. In addition, compared with chemical finishing, the treatment process of the method is free from pollution, healthier and friendlier to environment by adopting a bio-enzyme technique.

A method for improving flame retardance of wool by bioenzyme treatment is disclosed, belonging to the field of textile biotechnology. The invention utilizes a catalytic action of transglutaminase (MTG) to graft a type of compounds containing primary amino groups and a large number of phosphorus elements onto the wool so as to improve the flame retardance of the wool, the technological procedures comprise: pretreatment, treatment with a phosphoric finishing agent containing the MTG, water rinsing and drying. Wool yarns and fabrics treated by the inventive technology can not only be improved in the flame retardance, but also be enhanced in some other performances to a certain extent, in particularly the strength of the wool yarns and the fabrics is enhanced to play a role of powerful repair, which is outstandingly superior to other flame-retardant finishing agents or flame-retardant finishing technologies. In addition, in contrast to chemical finishing, the invention is healthier and more environmentally-friendly due to the employment of bioenzyme technique and the pollution-free treatment technology.

The invention discloses a processing method of natural wash-and-wear purified cotton fabrics; the whole processing technology comprises yarn choosing, yarn dyeing, slashing, weaving, singeing, desizing, mercerizing, liquid ammonia treatment, bio-enzyme treatment, drying, wash-and-wear resin finishing, and preshrinking. The processing method has the advantages that the purified cotton fabrics obtained by the method enable the wash-and-wear grade to reach 3.0 or more, organosilicon is applied in actual production of the purified cotton wash-and-wear fabrics, and the obtained purified cotton fabrics have a wash-and-wear effect, also do not contain formaldehyde, are environmentally friendly, and are harmless to human bodies; and in addition, strong damage on the fabrics in the processing process is small, the influence on a fabric hand feeling is small, and the hand feeling of the fabrics obtained from processing is quite smooth and soft.

The invention discloses silicon-dioxide antireflection coating liquid, a preparation method of the silicon-dioxide antireflection coating liquid and application of the silicon-dioxide antireflection coating liquid in polyester fabrics. The preparation method is simple, easy, mild in condition and easy to control, and the solid content of the prepared antireflection coating liquid is high. The preparation method comprises the following steps: adding a silicon-dioxide aqueous dispersion liquid which is sold on the market, and a silane coupling agent into alcohol so as to obtain a reaction liquid, adjusting the pH value of the reaction liquid to 3-8, rising the temperature to 20-50 DEG C, and reacting for 12-40 hours so as to obtain the nano-silicon-dioxide antireflection coating liquid with the alcoxyl groups on the surface finally. The prepared silicon-dioxide antireflection coating liquid with the alcoxyl groups on the surface can be used for deepening finish of one polyester fabric, and an antireflection film with a nanoporous structure is built on the surface of the fabric, so that the fabric has the rich-color effect, the deepening durability is improved and the hygroscopicity and the wearing comfort of the fabric are not changed.

The invention relates to an anti-static agent for cloth. The anti-static agent is prepared from the following raw materials including ethoxy alkylamine, polyethylene glycol diglycidyl ether, tetrabutyl titanate, surfactants, zinc acetate, glycol, glycerin, lauryl ether, octadecyl imidazoline, alkyl quaternary ammonium salts, isopropanol, linear alkylbenzene sulfonate, fatty alcohol-polyoxyethyleneether, sodium stearate, alkenyl sulphonate, white soap powder, phenol salicylate, epoxy resin, phenol, cyclohexanone, xylene and dibutyltin oxide. The anti-static agent has the beneficial effects that (1) the cost is low; a textile product can maintain the original flexibility and hand feeling after being treated by the anti-static agent; the anti-static effect is good; water washing resistance and heat resistance are good; meanwhile, meanwhile, the influence on the hand feel of the textile is small; no injury is caused on the skin; (2) the long-effect maintenance can be realized; the anti-static agent can be used for cloth and can also be widely applicable to various rubber and plastic products.

The invention belongs to the field of cotton fabric flame-retardant finishing, and particularly relates to a flame-retardant finishing method of reactive expansion flame retardants on cotton fabrics. The method comprises the following steps that (1) flame-retardant finishing liquid is prepared; (2) cotton fabric raw cloth is subjected to alkali washing for removing paste and is then soaked in the flame-retardant finishing liquid after being dried, and a twice-soaking two-rolling process is utilized for carrying out flame-retardant finishing on the cotton fabrics; (3) the soaked and rolled cotton fabrics are dried for 5 to 8 minutes at 80 to 100 DEG C, finally, high-temperature baking is carried out for 2 to 5 minutes at 150 to 180 DEG C, and the flame-retardant fabrics are obtained. Compared with the prior art, the flame-retardant finishing method of the reactive expansion flame retardants on the cotton fabrics has the advantages that flame retardant molecules per se adopted by the flame-retardant finishing liquid contain a plurality of active reaction groups, and the reaction activity can be improved only through adding a proper number of catalysts, so that the flame-retardant durability of the cotton fabrics is improved, the addition of other auxiliaries is not needed, and the recipe is simple, reasonable and efficient.

The invention relates to an anti-molten-drop finishing method for polyester. The method comprises the following steps of step (1), preparing a silane precursor containing a Schiff base structure; dissolving amino-containing silane and p-hydroxybenzaldehyde in ethanol, heating and stirring to generate a silane precursor containing the Schiff base structure, and removing ethanol and unreacted silane; step (2), preparing a phytic acid sol working solution; dissolving the silane precursor containing the Schiff base structure prepared in the step (1) in a cosolvent of ethanol and water; taking a phytic acid aqueous solution, adjusting the pH of the phytic acid aqueous solution by taking a weakly alkaline organic solvent as a pH adjusting agent, adding the pH-adjusted phytic acid aqueous solution into the silica sol containing the Schiff base structure, and stirring at room temperature for 1-5 hours to obtain the prepared phytic acid sol working solution; and step (3), performing flame-retardant finishing processing on polyester by adopting the phytic acid sol working solution in the step (2).

The invention relates to a polyester fabric moisture absorbing, sweat releasing and heat conducting finishing method based on click chemistry. The method comprises the following steps of preparing sulfydryl-modified polyester fabric, preparing sulfydryl-modified reduced graphene oxide, preparing finishing liquid and preparing moisture absorbing, sweat releasing and heat conducting polyester fabric. The method has the advantages that the pre-treated sulfydryl polyester fabric, the sulfydryl reduced graphene oxide and a polyurethane moisture absorbing and sweat releasing finishing agent are enabled to form firm chemical bonds through the click chemistry, so that the polyester fabric can obtain good moisture absorbing, sweat releasing and heat conducting performance; the operation is simple,a process is environmentally-friendly, energy-saving and efficient, and the wearability of the polyester fabric can be greatly improved; and the prepared moisture-absorbing and sweat-releasing polyester fabric has no influence on hand feeling and strength.

The invention discloses a synthesis method of a multifunctional silk fabric fixing agent. The method comprises the following steps: (1) adding 5-8 parts by weight of diethylenetriamine and 3-6 parts by weight of triethylene tetramine into a three-opening flask, stirring, heating up to 65 DEG C at a speed of 5 DEG C/min, dropwise adding 5 parts by weight of ethyl acrylate within 20 minutes, maintaining the temperature at 78 DEG C in the adding process, and reacting for 4 hours; (2) dropwise adding 5 parts by weight of epoxy chloropropane through a constant pressure feeder, meanwhile, dropwise adding 12 parts by weight of distilled water within 35 minutes, maintaining the temperature at 63 DEG C, and reacting for 4 hours; and (3) adding 3 parts by weight of potassium peroxodisulfate, maintaining the temperature at 68 DEG C, reacting for 2 hours, cooling to 35 DEG C, and regulating the pH value to 5 through 30% acetum to obtain the multifunctional silk fabric fixing agent. According to the method disclosed by the invention, the production process is short, process conditions are easy to control, and a small effect is generated on the hand feel of a fabric after the multifunctional silk fabric fixing agent is used.

The invention discloses a direct injection digital printing pretreatment slurry for dacron fabric; the pretreatment slurry consists of urea, sodium alginate, sodium carboxymethylcellulose, ethanol, glycerol and water. Through pre-treating and digital-printing by using the slurry, the color yield is high, the pattern is clear, the thickening rheological property of thickener is excellent and the lag thixotropy is relatively low.

The invention discloses a low-strength-loss shrink-proof finishing method for a wool fabric and belongs to the technical field of wool fabric dyeing and finishing processing. According to the method,firstly, DCCA is adopted for conducting chlorination shrink-proof treatment on the wool fabric, then the wool fabric is soaked in a chitosan finishing solution and a cellulose nanocrystal solution insequence, assembly is conducted 10-20 times, the anti-felting performance of the treated wool fabric is obviously improved, in addition, the strength loss of the fabric is also greatly lowered, and the hand feeling of the wool fabric is good.

The invention belongs to the field of dye color-fixing agents, and particularly relates to an acidic color-fixing agent and a preparation method thereof. The acidic color-fixing agent comprises polyethyleneimine, modified polyacrylic acid, sodium citrate, sodium salicylate, sodium laureth sulfate, sodium stearate and sodium phenolsulfonate; The preparation method is simple, the color-fixing agenthas a good color-fixing effect, contains no harmful substances such as formaldehyde, and has a good pH-control effect.

The invention discloses a method for carrying out antibacterial and antioxidant finishing on damask silk by an enzyme method, and belongs to the technical field of textile dyeing and finishing. The method comprises the following steps of: firstly, impregnating damask silk fabric in a catechin and chitosan oligosaccharide mixed solution, then adding laccase into a system, and by virtue of the catalytic oxidation effect of the laccase, realizing the polymerization of tyrosine in real silk and phenolic hydroxyl in catechin and the Schiff base reaction of the tyrosine in the real silk and amino onchitosan oligosaccharide, thus realizing the antibacterial and antioxidant finishing of the damask silk by the enzyme method. The method specifically comprises the following steps of: (1) adsorbing the catechin and the chitosan oligosaccharide by the damask silk; and (2) catalyzing the damask silk to graft the catechin and the chitosan oligosaccharide by the laccase. Compared with a method for carrying out chemical finishing on the damask silk by a high-temperature baking crosslinking method, the method disclosed by the invention has the advantages of lower production energy consumption, goodantibacterial and antioxidant effects and less yellowing and strength loss of damask silk fabric.

The present invention discloses a fabric darkening agent and a preparation method thereof, and applications of the fabric darkening agent in polyester fabric darkening, wherein the fabric darkening agent is prepared from the following raw materials by weight: 50-150 parts of a silica dispersion, 50-300 parts of water, and 0.075-13.5 parts of polyethylene glycol, wherein the solid content of the silica in the silica dispersion is 20-40 wt%. The fast preparation method of the fabric darkening agent comprises: diluting the silica dispersion with the water, then adding the polyethylene glycol (PEG), and uniformly mixing to obtain the fabric darkening agent. According to the present invention, the silica particle dispersion and a suitable amount of the polyethylene glycol (PEG) are blended to prepare the fabric darkening agent, and the preparation method is simple and rapid, and is easy to perform; and the polyester fabric is finished through the simple impregnation process and then baking is performed, such that the fabric darkening effect is obvious and the durability is provided.

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 provides a pigment dyeing method for improving the leveling property and the cloth cover effect. The pigment dyeing method comprises the following steps of pretreatment scouring and bleaching, neutral cellulase polishing, dust removal and wool washing, cationization modification treatment, water washing, pigment dyeing, water washing, fixation, dewatering, drying and setting. The process formula of dust removal and wool washing comprises the following steps of selecting 2-5 g/L of 550, heating to 70-80 DEG C at a heating speed of 2-3 DEG C/min according to a bath ratio of 1: (8-10), keeping the temperature for 20-30 minutes, and then washing with water. The process formula of the cationization modification treatment comprises the following steps of selecting 2 g/L of a modifier DM-2019, performing dyeing at room temperature, heating to 60-70 DEG C at a heating speed of 1-2 DEG C/min according to a test bath ratio is 1: (20-30), keeping the temperature for 20-30 minutes, performing normal-temperature water washing, and performing pigment dyeing. A fabric is uniform in dyeing, bright in color, clear in cloth cover texture, high in fastness, short in process and good in fabric comfort, and a processing technology is reasonable and easy to operate.

The invention relates to a plant dyeing method for a polylactic acid fiber fabric and a garment. Plant dye is adopted for the polylactic acid fiber fabric and the garment. Water, the polylactic acid fiber fabric and the garment are added into a dyeing machine; 0-5 g/l of a natural dyeing aid DA and the plant dye are added; the temperature is increased to 75-98 DEG C and kept for 30-90 minutes; 10-50 g/l of a natural dyeing aid for promoting dyeing is added; the temperature of 75-98 DEG C is kept for 20-40 minutes; and after dyeing, liquid discharging, hot water washing and color fixing are performed to finish normal-pressure and low-temperature plant dyeing. The method has the advantages that the optimized plant dye is adopted to replace petroleum chemical dye to carry out plant dyeing on the polylactic acid fiber fabric and the garment, so that the dyeing process of the polylactic acid fiber fabric and the garment is more environment-friendly and low-carbon.