57results about How to "Improves wrinkle recovery" patented technology

The invention relates to an auxiliary agent in the printing and dyeing industry, in particular to a surface finishing auxiliary agent for fabric. An anti-pilling finishing agent for the fabric is nonionic macromolecular polymer, and is characterized in that the anti-pilling finishing agent for the fabric is formed by copolymerizing 10 to 20 portions of high-hydro silicone oil, 30 to 50 portions of polyurethane prepolymer and 30 to 50 portions of polypropylene ester copolymer under the conditions of catalyst and heating; and the portion is weight portion. The fabric anti-pilling finishing agent is suitable for various fibers and fabrics; and in particular, polyester fabric treated by the anti-pilling finishing agent has basically unchanged tone and handfeel, improves the fastness to washing and light fastness, greatly improves the antistatic performance, has certain dust resistance and obviously improves the anti-pilling performance.

The invention discloses a hyperbranched anti-crease finishing agent as well as a preparation method and an application thereof and belongs to the field of textile printing and dyeing. A hydrophobic monomer and a monomer containing adjacent carboxylic groups are taken as comonomers, a branched macromolecule is polymerized under the action of an initiator and a branched monomer, a reactive group is introduced to the structure of the branched macromolecule, and the anti-crease finishing agent is synthesized. According to the preparation method and the application, conditions are mild, and the operation is simple and convenient. The anti-crease finishing agent has excellent performance, formaldehyde is not released in production and application processes, a phosphorus-containing catalyst is not needed to add or only a minute quantity of the phosphorus-containing catalyst is needed to add, and the environment is protected.

The invention provides a preparation method of antibacterial anti-wrinkle linen-cotton fabric. The method comprises the following steps: (1) ultrasonically treating the linen-cotton fabric with an aqueous solution of triethanolamine; (2) preparing amino-modified silver nanoparticles; (3) modifying 2,3-epoxypropyltrimethyl ammonium chloride by a carbodiimide solution, then crosslinking with the amino-modified silver nanoparticles, aminated graphene, and chitosan, and drying the materials; and (4) adding a dried product obtained in the step (3), tea polyphenol, malic acid, tartaric acid, tripolymaleic acid, nano TiO2, antimony trioxide, an osmotic agent, and fibroin to an aqueous solution of ethanol to prepare a finishing agent, and performing dip padding on the fabric to obtain the antibacterial anti-wrinkle linen-cotton fabric. The linen-cotton fabric prepared by the invention has good inhibition effect on Escherichia coli, Staphylococcus aureus and Candida albicans, and has good anti-wrinkle performance. Therefore, the fabric made by the invention has broad application prospects as the antibacterial anti-wrinkle fabric.

The invention discloses an anti-wrinkle finishing process of a silk fabric, which relates to the technical field of anti-wrinkle finishing of fabrics. The anti-wrinkle finishing process comprises the following steps of preparing an anti-wrinkle finishing agent from the components of olefin acid oligomer, formic acid, a catalyst, an organic silicone softening agent and water; under the conditions that the bath ratio is 1:(25-30) and the temperature is 20-30 DEG C, carrying out immersion and rolling for twice on the silk fabric in finishing liquor containing the anti-wrinkle finishing agent with the take-up rate being 85%-90%; prebaking the immersed and rolled silk fabric for 3-5 minutes, then baking the fabric for 1-2 minutes at the temperature of 140-150 DEG C, washing by hot water at the temperature of 40-50 DEG C and water at the temperature of 20-25 DEG C, drying at the temperature of 70-80 DEG C to obtain the finished silk fabric. The anti-wrinkle finishing process disclosed by the invention has the advantages that the raw materials of the anti-wrinkle finishing agent are low in price, do not contain formaldehyde, and has economic and environment-friendly effects; the anti-wrinkle finishing process is simple and easy to operate; the finished silk fabric has good anti-wrinkle recovery performance, a high retention rate and good anti-wrinkle performance.

The invention discloses a wool fabric with strapping structure yarns and a preparation method thereof. The wool fabric is characterized in that the yarns in the wool fabric are strapping structure yarns which are formed by strapping fine-denier chemical fiber filaments on wool yarns, wherein the wool yarn does not have twist degree or has the twist degree which is less than or equal to 50% of that of the yarn at the same fineness, and the fine-denier chemical fiber filaments are strapped on the wool yarns by the twist degree of 300-1000 T/m. The wool fabric has the advantages of soft feeling, low tendency to generate hairiness, and the like. The fine-denier chemical fiber filament has elasticity, thereby obviously enhancing the elongation capacity and fold restorability of the wool fabric.

The invention discloses a polyester peach velvet fabric processing method, comprising the steps: desizing, mercerizing, alkali peeling, air washing, sizing, sanding with carbon brush, preshrinking and plaiting; the desizing step adopts a dewaxing agent to remove an oiling agent on the surface of a fabric; the alkali concentration in the mercerizing step is 170-220 g/L and the turning speed is 50-70 m/min; in the alkali peeling step, the dosage of caustic soda is 5g/L, the processing time is 1h and the peeling rate is controlled to be 5%; in the air washing step, the rotating speed of a fan is 2,200 rpm and the processing time is 30min; in the sizing step, the temperature is controlled to be 170 DEG C, the fabric is soaked with a nano hydroscopic and fast dry finishing agent, and the hygroscopicity of the fabric is improved; the polyester peach velvet fabric produced by adopting the method touches soft and light and is fluffy and fine, smooth and elastic; in addition, the hydroscopic and fast dry feature is given to the fabric, so that the wet and cold feelings of the fabric after moisture absorption are eliminated and the wearing comfort is improved.

The invention relates to a preparation method and an application method of an after-finishing solution for fabrics. The preparation method includes: in protection of nitrogen, adding polyhydric alcohols, catalysts, diisocyanate and chain extenders into a four-neck flask to react to generate polyurethane prepolymer, adding a neutralizer for neutralizing, adding organic silicon for modification, andfinally adding deionized water for emulsification, so as to obtain cationic organic silicon modified waterborne polyurethane; compounding the cationic organic silicon modified waterborne polyurethanewith an anti-crease finishing agent to obtain the after-finishing solution for fabrics. The application method includes soaking the fabrics in the after-finishing solution for fabrics, subjecting thefabrics to the process of dip dyeing twice and rolling twice, and then drying and baking the fabrics sequentially. Since the cationic organic silicon modified waterborne polyurethane and the anti-crease finishing agent are compounded, cotton fiber internal cross-linking and deposition on surface or in gap of fabric weave are achieved simultaneously, and under the synergistic reaction of the internal cross-linking and the film forming by surface deposition, the crease recovery of the fabrics is improved while strength loss is kept at a low level.

The invention provides a projector curtain and a preparation method thereof. The projector curtain is prepared through thermocompression of a basic bottom layer, an adhesion layer and a light reflecting layer and coating of an organosilicon protecting layer, wherein the basic bottom layer is multiaxial woven fabric layer soaked in a first soaking solution; the first soaking solution is resin composition, and the resin composition is prepared from, in parts by weight, 100 parts of polyurethane resin, 0.2-0.8 parts of a catalyst, 15-25 parts of an impregnating compound, 0.2-0.8 parts of a coupling agent, 0.5-1.5 parts of an ultraviolet light absorber, 1-10 parts of a flame retardant, 10-30 parts of a defoaming agent, 10-30 parts of an organosilicon fabric finishing agent and 30-40 parts of a curing agent. The projector curtain is resistant to dirt, anti-bacterial, crease-resistant and good in winkle recovery performance, and the technical problems that existing curtains easily crease and are difficult to recover and not resistant to dirt, the viewing effect is affected and the service life is short are solved.

The invention discloses a method for dyeing and anti-crease finishing of silk based on a coupling reaction, and belongs to the technical field of textile chemistry. In the invention, an aromatic diamine compound is diazotized, and the diazotized aromatic diamine compound and a phenolic hydroxyl group-containing tyrosine side group in silk fiber macromolecules undergo a coupling reaction to make the silk fabric dyed and improve the anti-crease recovery performance to achieve the anti-crease finishing. The method concretely includes the following steps: (1) diazotization of the aromatic diaminecompound; (2) impregnation of the silk fabric in an alkali lye; (3) coupling coloration of the silk fabric; and (4) water washing and drying post-treatment. Compared with methods for anti-crease finishing of the silk fabric resin by silk dyeing using high temperature boiling dyeing and a high temperature baking process, the method disclosed in the invention has the advantages of less damages to the silk fiber, short process flow, and good dyeing fastness of the fabric.

The invention provides non-ironing fabric with a high hang-dry appearance and a manufacturing method thereof. The manufacturing method includes padding the fabric in non-ironing finishing liquid, andstoring the padded fabric in an environment with the temperature of 28-40 DEG C and the humidity of 20-70% for 6-15 hours, wherein the non-ironing finishing liquid comprises a resin crosslinking agentand an acid-base buffering agent; performing steaming treatment at 80-150 DEG C for 2-8 minutes to obtain the non-ironing fabric with the high hang-dry appearance. The non-ironing fabric produced bythe manufacturing method has the high hang-dry appearance under the condition of enough power.

The invention relates to tetracarboxylic acid for non-iron finishing and preparation and application of the tetracarboxylic acid. The tetracarboxylic acid is prepared by steps: dissolving diacid intowater, adding dithioglycol and a catalyst I, and performing heating reaction, cooling and suction filtration to obtain tetracarboxylic acid. An application process includes steps: dissolving the tetracarboxylic acid into water, adding a catalyst II to obtain finishing liquid, soaking a cotton fabric into the finishing liquid, performing twice dipping and twice padding, drying and calcining to obtain a non-iron fabric. The non-iron fabric is excellent in crease recovery performance and high in break strength retention rate, the problem of break strength decline of fabrics and BTCA expensivenessin current polybasic carboxylic acid crease-resistant finishing are evidently improved, and a promising application prospect and market prospect can be achieved.

The invention discloses a preparation method and application of a cationic modifier TCTAC, and relates to the technical field of anti-wrinkle and antibacterial finishing of cotton fabrics. The preparation method comprises the following steps of dissolving 2,3-epoxy hydroxypropyl trimethyl ammonium chloride in deionized water, dropwise adding ammonia water, heating and stirring for a reaction, and dissolving in deionized water to form a 1-amino-3-hydroxypropyl trimethyl ammonium chloride aqueous solution; and dissolving cyanuric chloride in acetone, dropwise adding the 1-amino-3-hydroxypropyl trimethyl ammonium chloride aqueous solution, adjusting the pH value to 6-7 by using a sodium carbonate aqueous solution, stirring for a reaction until the reaction is finished, performing salting-out purification and drying to obtain the cationic modifier TCTAC. According to the method, the synthesis period is short, the yield is high, the novel cationic modifier is synthesized, the cationic modifier can be used for carrying out anti-wrinkle/antibacterial dual-function treatment on a cotton fabric, and relative slippage among fibers can be effectively inhibited, so that the wrinkle recovery capability is improved, and the cotton fabric with excellent dry and wet wrinkle resistance can be obtained.

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-wrinkle finishing process for a natural silk fabric. The process comprises the steps of pretreatment of the natural silk fabric, preparation of an anti-wrinkle finishing solution, anti-wrinkle finishing and the like. The natural silk fabric obtained by finishing in the process disclosed by the invention has the advantages of good wrinkle recovering property, strength retention rate as well as excellent hydrophilcity and hand feeling; wear resistance of the natural silk fabric obtained by finishing in the process is improved.

The invention provides a preparation method for a crease-resistant shrinkproof silk woven fabric. The preparation method comprises the following steps: treating the fabric with a sodium hydroxide solution at first, immersing the fabric in a DMF solution of trimethylolpropane triacrylate; grafting dimethyl dihydroxy ethylene urea and otcamethylcyclotetrasiloxane onto the surface of the fabric; andthen treating the grafted fabric with an ethanol solution containing succinic anhydride-modified nanometer silica, sodium dichloroisocyanurate, modified fluoroalkyl polyether modified polysiloxanes, chitosan, silk fibroin and sodium alginate so as to obtain the crease-resistant shrinkproof silk woven fabric. Test results show that the wrinkle recovery angle of the treated fabric is as high as 298degrees, improved by one time or more compared with untreated fabrics, so the treated fabric has good wrinkle recovery performance; the fabric of the invention has breaking strength reduced to 857 N and break strength retention rate of 91.4%; thus, the fabric of the invention has greater advantages in crease resistance than the untreated fabric.