32results about How to "Strong cashmere" patented technology

The invention provides a polyurethane nubuck resin for high-resilience high-velvet-feeling clothing leather and a preparation method thereof. The polyurethane nubuck resin for the high-resilience high-velvet-feeling clothing leather is prepared from, by weight, 4.0-12% of isocyanate, 16-22% of mixed polyvalent alcohol, 1.0-2.5% of chain extender, 65-80% of N,N-dimethylformamide, 0.1-0.5% of auxiliary, 1.0-2.0% of polypropylene oxide glycol (PPG) and 0.05-0.5% of methyl alcohol. The polyurethane nubuck resin for the high-resilience high-velvet-feeling clothing leather is prepared through the synthesis technology of polybutylene adipate-diethylene glycol ester diol, polycarbonate diol, silicon oil, diisocyanate, other reactants and two midbodies in an independent chain growth mode, and the prepared resin is used for polyurethane nubuck leather. The prepared nubuck leather has the advantages of being high in resilience, uniform in bubble thickness, strong in velvet feeling, good in weather resistance and the like.

This invention provide a snow floss and produce technics .The produce anti pilling is strong, still have excellent elasticity, droop capability, the trait of washed by machine. Especially the little ball rises after wear can be opened automatically after washed by machine and floss sense become better. This snow floss have trait: a, compare with common gauze of the same branch and slender, resist teaseling is better one level; b, compare with common gauze of the same branch and slender, flexibility is better about 20-80% and mightiness descend 15-20%; c, compare with former gauze fell branch heighten 3-15%, weightlessness about 10-40%,gauze branch boost 10-20; d, after washed by machine and washed by hand, the little ball can open automatically; e, after slopwork, the area minification is in 1.5-5%; f, in naturally state, the chubbiness is 115%-170% about former gauze. The technics process is: wash line - pretreatment- weightlessness manage-escaping from chlorine-enzyme manage -flush-coloration former manage-back settle -dehydrate and drying.

The invention provides a third-dimensional tatting air layer suede fabric which comprises warp and weft. The warp and the weft form a plurality of fabric cylinders extending in the warp or weft direction. The fabric cylinders are filled with fabric filler. Accordingly, the structural mode of a traditional suede fabric is broken through, the front face has the obvious third-dimensional effect, the fabric is compact, the back face has the high suede sense, the third-dimensional effect is achieved, the middle adopts a hollow fabric cylinder formed by beating-up filling of the front face and the back face, the hollow fabric cylinder is filled with filer to form an air layer fabric, and the filler achieves the important supporting effect of ensuring existence of the fabric cylinder structure and forming the third-dimensional effect. Compared with the prior art, the third-dimensional tatting air layer suede fabric has the remarkable third dimension and suede sense and is compact, good in heat preservation and elasticity, simple in technology, firm in structure, novel and reasonable in structure and high in practicability.

The invention provides a production method of dustless cloth with high shrinkage and high dust removing efficiency as well as the produced dustless cloth. The production method comprises the following main steps: polyester / nylon superfine fiber yarns are woven to gray cloth by using a knitting machine; the gram weight of the produced gray cloth is 130-180 g / m2; the gray cloth is poured in a dye vat by the bath ratio of 1: 5-7; penetrating agent, sodium hydroxide, EDTA-4Na and degreasing agent are added in the dye vat; the gray cloth is cleaned in a manner of discharging while washing; acetic acid is added for cleaning again; splitting agent is added for treating, and the cleaning is performed; soaping agent is added; and the gray cloth is cleaned again in the manner of discharging while washing. According to the production method of the dustless cloth with high shrinkage and high dust removing efficiency provided by the invention, the produced dustless cloth has excellent absorbability and good dust and dirt removing effect.

The invention discloses a weather-resistant island-setting sea-island fiber base fabric and a preparation method and application thereof. The weather-resistant island-setting sea-island fiber base fabric is prepared from the following components in parts by weight: polyester·90-60 parts, weather-resistant polyurethane resin·10-40 parts, the invention has a very good release structure, so that the microfiber base cloth has very excellent velvet feeling and fleshy feeling. At the same time, due to the introduction of urea group and aliphatic structure, the weather resistance of the product is greatly improved compared with conventional products, and the color fastness of the base fabric is high. Water waste. Described weather-resistant polyurethane resin is the polymer with structural segment shown in formula (1):

The invention discloses a waterproof and air-permeable superfine fiber suede leather and its preparation method and application. The preparation method includes the following steps: soaking the sea-island type non-woven fabric in impregnating liquid containing polyurethane resin for waterproof and air-permeable leather, Control the liquid content at 80-100%, then scrape off the resin on the surface of the sea-island type non-woven fabric, and obtain an impregnated base cloth after coagulation and washing with water; put the above impregnated base cloth into toluene for weight reduction to obtain a primary base cloth; The above-mentioned original base cloth is post-treated to obtain the above-mentioned waterproof and air-permeable microfiber suede. The invention makes the prepared suede leather have excellent water-resistance and hydrophobicity; during the wet solidification process, the resin part forms a three-dimensional interpenetrating hole structure, and the hole diameter is small, which satisfies the easy passage of water vapor; and the adhesion between the resin and the fiber, Avoid the presence of large pores. When this product is used in microfiber suede, it achieves both water resistance and air permeability, and its production is easy to operate.

The invention discloses a sea-island ultrafine fiber, polyurethane leather and base fabric thereof and preparation method. The sea-island ultrafine fiber is composed of sea component and island component; wherein the sea component is low density polyethylene, the island component is polycaprolactam, and the mass ratio of the sea component and the island component is 70:30 to 75:25. The preparation method includes that the sea-island ultrafine fiber is composed of the components by the mass ratio and is prepared by conventional technology. The polyurethane leather and base fabric thereof related by the invention are all prepared by the sea-island ultrafine fiber of the invention, and conventional preparation technology is adopted. The sea-island ultrafine fiber of the invention can recyclerelated sea phase material and reduce production cost when being used for preparing polyurethane leather and base fabric thereof.

The invention relates to a velvet finishing agent for synthetic leather and a preparation method thereof. The velvet finishing agent consists of the following raw materials in parts by weight: 80-120 parts of polyurethane resin, 3-10 parts of dry smooth wax powder, 2-8 parts of silicon dioxide extinction powder, 6-15 parts of glass microspheres with particle size of 5-60 microns, 1-6 parts of epoxidized soybean oil, 1-6 parts of phenmethyl silicon oil, 1-6 parts of plasticizer, 30-60 parts of dimethylformamide, 30-50 parts of butyl acetate, 20-40 parts of methylal and 20-40 parts of dimethylbenzene. The velvet finishing agent for synthetic leather provided by the invention has low cost and good velvet feel, can be used through multiple technologies such as roller painting, printing and the like, and is widely applicable. In the invention, a preparation technology of uniformly dispersing before grinding and filtering is adopted, and the prepared finishing agent can obtain more delicatevelvet feel; and moreover, as the yangbuck powder requiring accurate temperature control and long-time foaming is not used, the preparation is easier.

The invention discloses a polyurethane resin for waterproof and vapor-permeable leather and a preparation method thereof. The ratio of moles of polyol A and polyol B to polyol A and polyol B is 1.5:1 to 5:1; the moles of terminator are the moles of diisocyanate to moles of polyol A, polyol B and chain extender 2 times of the difference; the amount of solvent used is 65% to 80% of the total weight of polyol A, polyol B, diisocyanate, chain extender, terminator and solvent. The invention has excellent hydrophobicity, and at the same time ensures that the resin part forms a three-dimensional interpenetrating hole structure during the wet solidification process, and the diameter of the hole is small, allowing water vapor to easily pass through; when used in superfine fiber suede, it has very excellent suede Sensitive, sensual, production has the characteristics of simple and easy operation.

The invention relates to a splitting agent and a preparation method thereof and discloses a modal fiber napping splitting agent with a skin-core structure and a preparation method of the modal fiber napping splitting agent. The modal fiber napping splitting agent with the skin-core structure is prepared from components in percentage by mass as follows: 20%-40% of organic phosphonic acid, 10%-20% of p-toluenesulfonic acid, 5% of polymeric polyacrylic acid and the balance of deionized water. The modal fiber napping splitting agent has the advantages and effects as follows: not only can the napping splitting purpose be achieved, but also little influence is produced on strength of fabric, and a machine cylinder cannot be damaged.

The invention discloses a metallic fog-brightening water based treatment agent and a preparation method thereof. The preparation method comprises the steps: adding a wetting dispersant and a defoaming agent into waterborne polyurethane resin for mixing and stirring; then adding extinction powder and polytetrafluoroethylene wax powder, performing high-speed stirring for 20 minutes, adding a cosolvent, a wetting leveling agent and water, uniformly stirring the materials and performing filtration; adding a thickening agent into a mixture obtained by filtration, and adjusting the viscosity to 800-1,500 cps to obtain the metallic fog-brightening water based treatment agent. The metallic fog-brightening water based treatment agent disclosed by the invention is extremely high in haze and blackness; after being washed in water, the bottom of a trench and the top of leather are obviously different in glossiness, certain layering impression and high flocking impression are achieved; due to vision observation, the surface of the leather has a certain metallic color, so that the color is natural and soft. The product is prepared from a waterborne material, is safe and non-toxic and is a green and environment-friendly treatment agent.

The invention discloses recycled polyester chenille yarn. The recycled polyester chenille yarn is obtained through plying of recycled DTY low-elastic interlaced yarn and recycled polyester plied yarn. The invention also discloses a manufacturing method of the recycled polyester chenille yarn. The invention further provides a method for manufacturing a recycled polyester chenille yarn blanket. The method for manufacturing the recycled polyester chenille yarn blanket comprises the steps of preparing the recycled polyester chenille yarn, and weaving the recycled polyester chenille yarn blanket from the recycled polyester chenille yarn in corresponding thickness. The spun recycled polyester chenille yarn is excellent in velvet feel, mellow and full, and not prone to lint falling. The recycled polyester chenille yarn is made from the PET waste material, waste material recycling is promoted, environment friendliness is realized, petroleum resources are saved, waste material treatment difficulty is reduced, and market prospects are broad. The manufactured recycled polyester chenille yarn blanket has a strong stereoscopic sense, a rich color, excellent elasticity and an excellent drape effect and is tolerant to machine washing.