49results about How to "Increased wrinkle recovery angle" patented technology

The invention discloses a treatment method for antibacterial and anti-ultraviolet cotton fabrics. The treatment method comprises the following steps: step 1, soaking the cotton fabrics with a nonionic surfactant; step 2, modifying the cotton fabrics with chitosan quaternary ammonium salt; step 3, dipping the cotton fabrics with antibacterial finishing liquid prepared by mixing 5-15 parts of a natural antibacterial agent composed of extracts of grape seeds, persimmon leaves, ginkgo leaves and licorice roots, 0.3-1 part of polyoxyethylene-40 hydrogenated castor oil and 1000 parts of water; step 4, soaking the cotton fabrics in a mixed aqueous solution containing 0.001-0.005mol/L of silver nitrate or silver sulfate or silver acetate and 1-3 g/L of soluble starch or hydroxyethyl cellulose to prepare the nano-silver attached antibacterial cotton fabrics. The prepared cotton fabrics not only have good antibacterial performance and anti-ultraviolet performance, but also have performance of resisting oxidation and scavenging free radicals, and have improved anti-wrinkle performance and good washing durability.

The invention provides a modified-chitosan-containing anti-ultraviolet finishing agent for cotton fabric and anti-ultraviolet cotton fabric obtained by aid of the anti-ultraviolet finishing agent. The modified-chitosan-containing anti-ultraviolet finishing agent for the cotton fabric is a uniformly mixed solution of 3,4,5-trimethoxybenzoyl chitosan, a crosslinking agent, a penetrant and an acetic acid or lactic acid solution, wherein the crosslinking agent is organic polycarboxylic acid or amino-modified silicone oil emulsion; the penetrant is either JFC or peregal O. The anti-ultraviolet cotton fabric with anti-ultraviolet, anti-bacterial and anti-crease finishing functions is obtained through double-dip double-nip, water washing and drying, the anti-ultraviolet, anti-bacterial and anti-crease finishing functions are high in durability, the cotton fabric still maintains the original style of the fabric after finishing, the hand feel, the strength, the whiteness and the color of the cotton fabric are not affected, and the original human body affinity is maintained; the finishing agent is simple in composition and easy to prepare, and a finishing process is simple and environment-friendly.

Belonging to the application technology field of yarn dyed fabric dyeing and finishing in the textile industry, the invention provides a dyeing and finishing method for a durable press bombasine yarn dyed fabric, and aims to solve the technical problems of easy fiber damage, undesirable antiwrinkling effect and poor washfastness, easy generation of formaldehyde residue and other ecological pollution. The method provided in the invention combines a chemical technique and a biological enzyme technique to carry out scouring and bleaching and dyeing on a bombazine fabric, that is to say, caustic soda, cellulose and catalase are taken for cotton fiber scouring and bleaching, soda ash, protease and lipase are taken for raw silk degumming and dyeing, and an active dye and laccase are employed to perform bombazine fiber dyeing and aftertreatment. Meanwhile, formaldehyde-free antiwrinkling resin is employed to perform liquid ammonia moist crosslinking on the fabric so as to improve the wrinkle resilience of the fabric. By applying the method provided in the invention to perform dyeing and finishing on the bombasine yarn dyed fabric, the fabric has a smooth surface and soft handfeel, also, the chroma of a dyeing waste liquid is reduced. When high antiwrinkling performance is acquired, the fabric strength is less reduced. The treatment process is safe and environment-friendly, thus being in line with the processing requirements of ecological textiles.

The invention discloses a production process of jeans. The production process comprises the steps of denim yeast-washing, jeans sewing and jeans snow-washing, wherein the denim yeast-washing step comprises the following steps: (I) de-sizing; (II) soaking in mixed liquid composed of a color fixing agent and an elastic protectant; (III) soaking in mixed liquid composed of an anti-dyeing agent, an enzyme elastic protectant and water; (IV) soaking in mixed liquid composed of sodium carbonate, caustic soda, sodium hypochlorite and water; (V) soaking in mixed liquid of oxalic acid, hydrogen peroxideand water; (VI) soaking in soft oil and silicon oil; the jeans snow-washing step comprises the following steps: soaking in mixed liquid composed of an anti-dyeing agent, a neutral enzyme and water; (II) soaking in mixed liquid composed of sodium hypochlorite, sodium carbonate and water; (III) soaking in mixed liquid of fatty acid methyl ester sulfonate and water; (IV) stir-frying in potassium permanganate; therefore, the jeans are more colorful, outstanding in old feeling and capable of keeping colorfast for a long time.

The invention discloses an antistatic after-finishing process for woolen fabric. The process includes the steps of: soaking in a first finishing solution, primary squeezing, soaking in a second finishing solution, secondary squeezing, drying, shearing and decating, etc. The woolen fabric produced by the antistatic after-finishing process has good stability, nanoscale metal oxides are uniformly distributed on the cloth and not easy to fall off, and the woolen fabric has excellent antistatic and antibacterial functions. By employing citric acid to perform antibacterial finishing on wool fabric, the antibacterial activity of a wool textile is greatly improved, the creasy recovery angle of the wool textile is enhanced, and also the crease resistance of the wool textile is improved.

The invention discloses a softening finishing method for a fabric. The method comprises the steps of pre-treating the fabric with cellulase with concentration being 2.5% (o.w.f) for 50-60min under the conditions that the bath ratio is 1:20, the pH value is 4-4.5 and the temperature is 45 DEG C; and performing impregnation softening treatment on the fabric by adopting a 50g/L Klein softening agent MCT and a 1g/L penetrant JFC, performing two times of impregnation and rolling with the liquor detention of 85%, and drying for 3-5min at 100 DEG C. By adopting the method, the handfeel of the fabric is improved, the softness of the fabric is improved, meanwhile, the physical and mechanical properties of the fabric are influenced little, and the service life of the fabric is guaranteed.

The invention provide a black rice anthocyanin-based cotton fabric anti-ultraviolet finishing agent, which is prepared from the raw materials in total volume: black rice anthocyanin extracting solution, 0-5g/L of organic polybasic carboxylic acid, 0-5g/L of sodium citrate, 1g/L of sodium sulfate and 0.5g/L of penetrant JFC. According to the technical solution, cotton fiber and a fabric thereof are endowed with three finishing functions by a one-time finishing technology, and the fabric has the advantages of comfortable handfeel, environment friendliness, no pollution, low cost and capability of more fitting a human body.

The invention discloses a textile fabric post-finishing process with an antistatic function. The textile fabric post-finishing process with the antistatic function comprises the work procedures of boiling off, singeing, washing, dipping, mangling, stirring, second mangling and drying, wherein the dipping procedure is to dip in a first finishing solution for 35-45 min at room temperature, the components and the weight percentage of each component of the first finishing solution comprise 5-10 percent of polyurethane resin, 1.5-3 percent of softening agent, 0.1-0.3 percent of fatty alcohol polyoxyethylene ether and 1.5-3 percent of citric acid, the rest is water, and the mangling rates of the mangling and the second mangling are 65-80 percent. The fabric generated by the antistatic post-finishing process is good in stability, the nanoscale metallic oxide is uniformly distributed on cloth and not prone to falling off, and excellent antistatic and antibiotic functions are achieved; the citric acid performs antibiotic finishing on wool fabric, not only is the bacteriostatic property of the fabric greatly improved, but also the creasy recovery angle of the fabric is improved, and the crease resistant performance of the fabric is improved.

The invention provides a crease resistant finishing agent for cotton fabric and a crease resistant finishing method, and relates to the technical field of garment fabric finishing. The crease resistant finishing agent for the cotton fabric is prepared from the following raw materials in parts by weight: 6-13 parts of butanetetracarboxylic acid, 3-7 parts of pyromellitic dianhydride, 3-6 parts of ethylenediamine tetraacetic acid, 3-7 parts of chitosan, 0.005-0.03 part of nano dioxide, 0.3-0.6 part of silane coupling agent, 4-8 parts of softening agent, 6-10.5 parts of sodium hypophosphite, 3-8parts of polyethylene glycol 500, 30-60 parts of propylene glycol and 1000 parts of water. Under the condition that a small amount of butanetetracarboxylic acid and sodium hypophosphite are used, thecotton fabric can be endowed with excellent comprehensive performance and is good in crease resistant effect, large in recovery angle, high in tear strength retention rate and good in whiteness.

The invention provides a preparation method of a natural nano-functional finishing agent for silk. The natural nano-functional finishing agent for the silk is prepared from finishing agent liquid A, finishing agent liquid B, finishing agent liquid C and finishing agent liquid D, wherein the finishing agent liquid A is prepared from modified nano-particles, the finishing agent liquid B is preparedfrom a silane coupling agent, the finishing agent liquid C is mixed liquid of natural extracts and modified silicon emulsion, and the finishing agent liquid D is prepared from glutaraldehyde. During fabric finishing, the liquid B firstly reacts with the fabric, the liquid A is then used for treating, and the liquid D is cross-linked on the fabric by using the liquid C. Compared with the untreatedfabric, the fabric treated by using the finishing agent has higher ultraviolet resistance, softness, wrinkle resistance, antistatic property, yellowing resistance and antibacterial property; therefore, the finishing agent has an important application value in the aspect of silk fabric finishing.

The invention relates to a method for preparing a high-strength crease-resisting cotton fabric under an alkaline condition. The method comprises the following steps: dissolving acrylamide para-ester serving as an alkaline finishing agent into water, and adding alkaline as a catalyst to obtain alkaline crease-resisting finishing liquid; immersing the cotton fabric into the alkaline crease-resisting finishing liquid, uniformly impregnating, then impregnating for two times and rolling for two times, wherein the pickup ratio is 70 to 80 percent; drying and steaming to obtain a finished product. The tear strength retention rate of the fabric prepared by the method disclosed by the invention is remarkably improved, and the problem of strength declination of a current crease-resisting finishing fabric is remarkably improved; the method has a broad application prospect and market prospect.

The invention relates to the technical field of textile after-finishing, in particular to a cotton fabric treatment process based on liquid ammonia and mercerizing combined finishing. The cotton fabric treatment process based on liquid ammonia and mercerizing combined finishing comprises the following steps of singeing, desizing, liquid ammonia treatment, mercerizing, liquid ammonia treatment, tentering and preshrinking. The comprehensive physical and mechanical properties of the wrinkle recovery angle and the breaking strength of the cotton fabric are improved, and meanwhile, the hand feeling style of the cotton fabric is further improved. The cotton fabric treatment process based on liquid ammonia and mercerizing combined finishing is relatively simple and feasible, and is suitable for industrial large-scale production.

The invention discloses an anti-creasing agent used in cellulose fiber fabrics, the structural general formula is expressed as above, and in the formula, a is less than or equal to 20 and more than or equal to 5, b is less than or equal to 20 and more than or equal to 0, c is less than or equal to 20 and more than or equal to 0 and d is less than or equal to 10 and more than or equal to 0, a plus b plus c plus d is less than or equal to 40 and more than or equal to 10, and b ,c and d can not be 0 simultaneously; the average molecular weight Mn is more than or equal to 1300, and K is less than or equal to 3 and more than or equal to 1. The anti-creasing agent is obtained by adopting saturated fatty alcohol and saturated di-fatty alcohol amine for modification after itaconic acid is polymerized. The cellulose fiber fabrics that are finished by the anti-creasing agent have better durable anti-creasing effect, the anti-creasing agent can not release formaldehyde when in use, and the fabrics are less in original breaking strength change.