40results about How to "Improves felting resistance" patented technology

The invention relates to an antifelting finish method of wool knits combining plasma and bio-enzyme, comprising the steps that: wool washing, plasma treatment, protease treatment, water washing, Transglutaminase treatment, water washing, and drying. The invention can lead wool knits to reach machine washable standard (with a felting rate less than 2 percent) while the intensity is ensured (intensity damage is less than 10 percent), and has little damage during the finish process, with safety and environmental protection performance, and is an energy-conservation and clean wool post-treatment technique.

The invention discloses a functional wool fabric finishing agent. The functional wool fabric finishing agent is a water solution prepared from transglutaminase, chitosan and an acidic regulator; the pH value of the functional wool fabric finishing agent is 2.3-3.8, wherein the concentration of the transglutaminase is 1g/ L-100g/ L. The invention also discloses a functional wool fabric finishing method; the method comprises the concrete steps of dipping pretreated wool fabric into the functional wool fabric finishing agent, wherein a bath ratio is (1: 10)-(1: 20); adding a cross-linking agent, then heating up to 45-60 DEG C, dipping for 1-5h and then washing with hot water with the temperature of 90-100 DEG C for 3-5min to terminate a reaction; finally, washing with water again, and drying to obtain the finished wool fabric, wherein the adding amount of the cross-linking agent is 100-150g/ L. After the wool fabric is treated by the functional wool fabric finishing agent and the functional wool fabric finishing method, the properties such as durability, antibacterial property and ultraviolet resistance of the wool fabric are improved, and the wool fabric has a certain health care function so as to improve the immunity of a human body.

The invention relates to a protease composite enzyme and application thereof. A preparation method comprises the following steps of: inoculating microbes into a culture medium, placing the culture medium on a shaker at the temperature of between 25 and 40 DEG C and the rotating speed of 120 to 200 revolutions per minute to culture the microbes for 24 to 96 hours, performing enzyme or ultrasonic wall breakage or non wall breakage treatment, filtering bacteria, adding ammonium sulfate into the culture medium to settle protein, centrifuging the solution, adding Tris-HCl into the solution for dissolution, and freeze-drying the sediment after dialysis; or inoculating microbes into the culture medium, fermenting the culture medium for 23 to 72 hours at the temperature of 30 DEG C, culturing the microbes for 24 to 72 hours at the stirring speed of 120 to 600rpm, stopping fermentation, and filtering or centrifuging bacteria. The composite enzyme can be directly acted on various wool spinning fabrics and saves chemical reagent pretreatment and oxidation pretreatment in the conventional treatment process; the application method is simple and suitable for industrialized production; and the felting resistance and mechanical strength of the treated wool or wool fabrics are improved, and the felting rate of the treated wool fabric is less than 5 percent.

The invention discloses a negative-ion finishing process of Australian wool tops. The negative-ion finishing process includes the steps of firstly, soaking the washed Australian wool tops into negative-ion finishing liquid, wherein the negative-ion finishing liquid comprises, by weight percentage, 8-12% of tourmaline powder, 5-8% of organic silicon resin, 2-4% of binder, 1-3% of dispersing agent, 1-2% of pH regulator, 2-4% of penetrating agent and the balance deionized water; secondly, pre-baking; thirdly, baking; fourthly, washing and drying. By the arrangement, the negative-ion finishing process has the advantages that the process is simple and easy to control, safe and environmentally friendly, the negative-ion finishing liquid reasonable in component and proportion is used to finish the Australian wool tops, the shrinkage resistance of the Australian wool tops is increased effectively, and the processed Australian wool tops can release negative ions having a healthcare effect on human bodies.

The invention belongs to the field of textile finishing agents, and particularly relates to a fluoride-free water-repellent antifouling finishing agent and a preparation method and application thereof. The finishing agent comprises a system A and a system B, the weight ratio of the system A to the system B is 1:(0.6-0.8), the system A is prepared from 0.3%-3% of chitosan oligosaccharide, 1%-10% of waterborne polyurethane and the balance water, and the system B is modified nanosilicon dioxide sol. According to the fluoride-free water-repellent antifouling finishing agent, a textile finished through the finishing agent has the super-water-repellent and antifouling effects, meanwhile, the good hand feeling and breathability of the textile can be kept, the excellent antibacterial property and shrink-proofing property are achieved, and a preparation process of the finishing agent is easy to operate and suitable for application and popularization.

The invention discloses a cashmere yarn shrink-proof process. The cashmere yarn shrink-proof process comprises the following steps of pretreatment, potassium permanganate oxidation treatment, washing, reduction treatment, secondary washing, softening treatment, drying and plasma treatment. The shrink-proof process is easy to operate and high in security; the whole procedure is environment-friendly; prepared cashmere yarns are high in shrink-proofing performance and decoloration resistance.

The invention relates to a laundry condensate bead for washing wool fabrics. The laundry condensate bead comprises the following components in percentage by weight: 15-25% of propylene glycol; 5-15% of glycerol; 15-25% of isomeric alcohol polyether; 15%-30% of fatty alcohol-polyoxyethylene ether; 8-16% of sodium alcohol ether sulphate; 2-15% of bis-fatty alkyl ester hydroxyethyl methyl ammonium methyl sulfate; 2-15% of cocamidopropyl betaine; 0.2-0.5% of diethanol amine; 0.05-0.1% of a pH conditioning agent; 0.1-0.5% of a bactericide; 0.005-0.015% of a complexing agent; 1%-3% of an anti-redeposition agent; 0.03%-0.06% of a preservative; 1-2.5% of essence; 0.001-0.003% of a pigment; and the balance of water. The invention also relates to a preparation method of the laundry condensate bead.The laundry condensate bead does not contain active enzymes, enzymes and bleaching agent substances, meanwhile, the pH value of the laundry condensate bead is proper, and the problem that the hand feeling becomes poor due to damage to the fiber structure of wool fabric is solved. Moreover, the laundry condensate bead is low in foam, easy to rinse and good in felting resistance.

The invention discloses a preparation method of modified anti-felting wool fiber. The method particularly comprises the following steps that 1, an oxidative antibacterial solution is prepared; 2, theoxidative antibacterial solution is added into a stirring tank, water bath heating is conducted to reach 40-45 DEG C, and the wool fiber is poured into the stirring tank; 3, compound enzymatic hydrolysate is prepared; 4, the wool fiber processed in step 2 is soaked in the compound enzymatic hydrolysate, and a normal temperature enzymatic hydrolysis reaction is conducted; 5, a chitosan solution isprepared and added into the stirring tank, the wool fiber prepared in step 4 is added, stirring is conducted for 5 h and then fished out, and then air-drying is conducted at normal temperature. Accordingly, the wool fiber is oxidized, protein of the wool fiber is exposed, the exposed protein is subjected to enzymolysis through protease, by means of enzymolysis, negative ions on the surface of thewool fiber are increased, chitosan is adsorbed to the surface of the wool fiber conveniently, and the texture is soft while the wool fiber anti-felting property is improved.

The invention discloses an antistatic finishing agent special for wool caps. The antistatic finishing agent comprises, by weight, 2-10 parts of polyurethane, 3-9 parts of nano aluminum solution, 1-5 parts of chlorinated 1-butyl-3-methylimidazole salt ion liquid, 2-9 parts of modified fibroin, 2-9 parts of cellulose crystal whisker, 1-4 parts of valonia extract, 3-10 parts of copper sulfate, 0.1-0.3 part of indium doped tin oxide, 2-8 parts of graphene oxide, 2-5 parts of surfactant, 3-20 parts of alcohol, 0.3-2 parts of coupling agent and 100 parts of water. The antistatic finishing agent canendow the wool caps with excellent antistatic performance, anti-felting performance, antibacterial performance and resistance to water washing.

The invention discloses an efficient dyeing process for improving the anti-felting performance of wool fabric. The method includes the following steps that 1), the wool fabric is added into a nano titanium dioxide water solution to vibrate under ultrasonic waves and then dried; 2), after the wool fabric and cationic ceratin graft polymer powder are mixed, the mixture is treated with a negative pressure-positive pressure interaction method under high-speed stirring; 3), the wool fabric is subjected to ultrasonic treatment in the wet air environment; 4), the wool fabric is heated and dyed; 5), the dyed wool fabric is treated with a high-pressure treatment-pressure relief treatment interaction method and then washed and dried. According to the dyeing method, the wool fabric is subjected to aseries of pretreatment, it is promoted that dye seeps into wool fibers, and thus, the dyeing degree of the wool fabric is improved. By means of the method, scale layers of the wool fibers cannot be damaged, and the dyed wool fabric has good anti-felting performance and the capacity of resisting the external physical and chemical effect.

The invention discloses a wool fabric printing technology. The wool fabric printing technology comprises following steps: 1, compound enzyme chlorine-free shrinkproof pretreatment; 2, water washing and dehydration drying; 3, printing; 4, dye fixation; 5, soaping and drying; and 6, setting. The wool fabric printing technology is simple, is convenient to control, is safe, and is friendly to the environment; compound enzyme chlorine-free shrinkproof pretreatment is adopted firstly, so that wool fabric felting shrinfage resistance is improve, and fabric yellowing is avoided; and then printing anddye fixation are carried out successively, so that the printed patters and color of wool fabric are bright, and the color fastness is excellent.

A polyurethane-modified gamma-aminopropyl-triethoxy-silane precursor and its hydrolysate are disclosed. The process is carried out by reacting aminopropyl-triethoxy-silane with polyurethane-performed polymer to obtain polyurethane-modified gamma-aminopropyl-triethoxy-silane precursor, and reacting it with alcohol and water to obtain hydrolysate. It has excellent wash-resisting and anti-shrink performances and can be used for textile material, wool textile and finishing agent

The invention relates to the technical field of wool fabrics, and discloses a wool fabric felt proofing finishing technology. The technology includes the following steps that S1, the wool fabrics areput into oxidation treating fluid for oxidation treatment, so that pretreated wool fabrics are obtained; S2, compound protease is added into a Tris-HCl buffer solution for ultrasonic oscillating dispersion, so that compound protease dispersion liquid is obtained, the pretreated wool fabrics are put into the compound protease dispersion liquid for enzymolysis, and enzyme-dispersed wool fabrics areobtained; and S3, sodium hydroxide is added into a polyvinyl acetate solution, alcoholysis liquid is obtained by means of stirring alcoholysis, the enzyme-dispersed wool fabrics obtained in the S2 areput into the alcoholysis liquid for soaking and then are put into a glutaraldehyde solution for carrying out a cross-linking reaction after being taken out, and then the wool fabrics are obtained through alcohol washing and drying. The wool fabrics prepared through the technology can keep high breaking strength after being finished by enzymolysis liquid, and the felt proofing performance is good.

The invention discloses a wool fabric dyeing pre-treating technology. The technology comprises the shrinkproof step, the washing step and the sizing step; according to the shrinkproof step, bio-enzyme-protease composite chloride-free shrinkproof treatment is adopted, an adopted bio-enzyme-protease composite chloride-free shrinkproof finishing solution is prepared from, by mass, 8-12% of sodium hydrogen sulfite, 15-18% of bio-enzyme, 10-15% of protease, 5-10% of organic silicone softener, 20-25% of acrylic resin and 30-40% of water. The technology is simple and easy to control, has the advantages of being low in water and electricity consumption, saving energy and reducing emission, conforms to the printing and dyeing industry development trend, and is wide in market prospect.

The invention relates to a preparation process of a machine-washable compact siro spinning wool suit fabric, and belongs to the technical field of woven fabric preparation. Double-inlet anti-teryleneand Australian imported fine wool are used as raw materials, and spinning is carried out by adopting a siro compact spinning mode, so that the machine-washable compact siro spinning wool suit fabric is prepared. According to the method, starting from multiple aspects such as fiber selection, spinning mode, tissue structure, after treatment and the like, the Double-inlet anti-terylene is blended with the Australian imported fine wool, and the siro compact spinning mode is adopted; meanwhile, protease after-treatment processing design is adopted, and the singeing process is strictly controlled,the problem of pilling and felt shrinkage during the washing process of the wool fabric is solved while the style of the wool fabric is ensured, and the requirements of the market for the conveniencein maintaining the suit are met; and the fabric can reach the 3-4-grade anti-pilling level after a 36000-turn test result based on BS/EN 12954-1:2001 Textile-Anti-Pilling Performance Test.

The invention discloses an Australian wool top complete-easy-care finishing technique which comprises the following steps: 1) water washing; 2) water-based organic silicon polyurethane padding treatment: the water-based organic silicon polyurethane care solution comprises the following components in percentage by mass: 65-75% of water-based organic silicon polyurethane, 2-5% of anti-shrinking agent, 1-4% of softener, 2-4% of film forming aid and 20-25% of water; 3) predrying; and 4) drying. The technique is simple, controllable, safe and environment-friendly. The Australian wool top is subjected to padding treatment by using the water-based organic silicon polyurethane care solution, and dried to form a durable water-based organic silicon polyurethane film on the Australian wool top surface, thereby wrapping the Australian wool top, and enhancing the elasticity and felting resistance of the Australian wool top; and thus, the Australian wool top can achieve the complete easy care effect.

The invention provides a scoured wool with high felting shrinkage resistance and a manufacturing method of the scoured wool, and relates to the field of wool manufacturing. By sequentially conductingultraviolet light treatment, ozone oxidation treatment, ultrasonic treatment and chitosan treatment on the wool, the wool has the good felting shrinkage resistance, wherein specific operation of ultraviolet light treatment is as follows: wool fibers are evenly spread at the bottom of an ultraviolet light irradiation device flatly, the distances between the wool fibers and a ultraviolet lamp tube are 12-14 cm, the irradiation time is 20-30 min, after the time is up, the wool fibers are turned over and then irradiated for 20-30 min, and after irradiation is completed, the wool fibers are taken out, scoured with clear water for 10-15 min and then dried.