31results about How to "Good fleece" patented technology

The present invention discloses an environmentally friendly anti-siphon afterfinishing method for a suede microfiber synthetic leather. The method is as below: (1) immersing the dyed microfiber synthetic leather into an anti-siphon treatment solution, and padding; (2) then drying the product obtained in the step (1), cooling, rolling and crumpling to obtain the anti-siphon suede microfiber synthetic leather. The anti-siphon treatment solution for suede microfiber synthetic leather has a pH value of 4-6, and comprises the following components by weight: 5-10 parts of a fluorine-free waterproof finishing agent, 2-5 parts of reactive polysiloxane, 1-3 parts of an aqueous crosslinking agent and 100 parts of water. The agent of the invention uses the fluorine-free environment-friendly waterproof finishing agent without APEO, PFOA or PFOS, and the ultrasonic technology; and the obtained microfiber synthetic leather achieves anti-siphon effect of rise of impregnating solution of less than 1cm after 2h immersion, and has good creases and velvety sense, so as to improve the grade of the suede microfiber synthetic leather.

The invention provides a method for preparing water-based yangbuck with lustring effects. The method includes steps of 1), coating and scraping water-based wet base slurry on base cloth, transporting the base cloth into a coagulating tank, coagulating the base cloth and drying the base cloth by means of baking to obtain water-based base; 2), coating water-based yangbuck materials on release paper, drying the water-based yangbuck materials and the release paper to form yangbuck clinging surfaces, adhering the water-based base onto the yangbuck clinging surfaces, then drying the yangbuck clinging surfaces by means of baking, cooling the yangbuck clinging surfaces and peeling the release paper to obtain artificial leather by means of preparation; 3), placing the artificial leather in a baking oven and foaming the artificial leather at the high temperature to obtain yangbuck by means of preparation; 4), carrying out color change treatment on the yangbuck by the aid of a printing machine; 5), preparing lustring materials, adding the lustring materials into the printing machine and carrying out lustring treatment on the yangbuck. The method has the advantages that the surfaces of the water-based yangbuck are high in leather feeling and good in velvet feeling and feel soft, and the excellent lustring effects can be realized; the surfaces of the yangbuck are bulky, thick, smooth, straight and bright and have plump pile after lustring treatment is carried out on the yangbuck, and market requirements on high-grade yangbuck can be met.

The invention discloses a production method of Europa suede-feel polyurethane synthetic leather, which comprises the following steps: firstly, preparing semifinished synthetic leather by using a wet method; secondly, hot-joining the polyurethane slurry layer, which is formed after the pattern of release paper is transferred, onto the surface of the semifinished synthetic leather which is printed by the wet method, wherein the polyurethane slurry comprises the following raw materials in parts by weight: polyester-polyether copolymer resin SF-01, 3-7 parts of expanded micro particle, 8-12 parts of butanone, 5-10 parts of solvent-type pigment and 0.2-0.5 part of modified silicone high polymer BYK-95950; thirdly, embossing and foaming by using embossing rollers; and finally, crinkling. The invention enables the surface of the polyurethane synthetic leather to have strong suede feel and barbing effect. The polyurethane synthetic leather has the advantages of high wear resistance, high peeling, high cold resistance, high hydrolysis resistance and other physical properties. The polyurethane synthetic leather is exactly like leather and is high-quality environmental-protection high-grade synthetic leather. The whole process conforms to the requirements of environmental protection, and conforms to the development trend of professional shoe materials in modern times.

A bamboo fabric raw material production technology can provide bamboo fabric raw material having wet-absorbing and ventilating performance as flax and a characteristic of bright color such as chemical fibers and the bamboo fabric raw material can maintain features of bamboo fiber textile. With cooperation between the raw material and other raw material with various performance, weaving raw material having different styles can be produced, so weaving product raw material can be diversified and performance of various fabric raw material can be utilized; and fabric with bright color, great hand feeling and velvet feeling, great elasticity and wet-absorbing and ventilating performance, excellent anti-wrinkling performance, low shrinkage rate and great wearability.

The invention relates to an acrylate coating layer emulsion capable of preventing down feather from escaping from needle holes, coating layer glue and a preparation method of the acrylate coating layer emulsion. The acrylate coating layer emulsion contains the following raw materials in parts by weight: 9.5-10 parts of iso-tridecanol polyoxyethylene ether (40), 1-1.5 parts of sodium dioctyl sulfosuccinate, 2-2.5 parts of alcohol ether sulfosuccinate monoester disodium salt, 1-1.5 parts of itaconic acid, 2.5-3 parts of acrylamide, 3-3.5 parts of acrylic acid, 160-165 parts of n-butyl acrylate,40-43 parts of iso-octyl methacrylate, 24-27 parts of acrylonitrile, 3-3.5 parts of hydroxyethyl methylacrylate, 3-3.5 parts of an acrylic acid modified reaction type slip agent, 0.7-1.2 parts of 3-(2,3-epoxypropoxy)propylmethyldiethoxysilane, 4-4.5 parts of hydroxyethyl acrylamide, 0.8-1.2 parts of ammonium persulfate, 0.2-0.4 parts of sodium hydrogen sulfite and 280-300 parts of deionized water.A polymer emulsion formed through the polymerization of a seed emulsion is particularly suitable fortaffeta, cotton and nylon fabrics.

The invention discloses an additive for chain type texturing of monocrystalline silicon wafers. The additive comprises, by mass, 0.2-2.0% of polyethyleneimine, 0.5-10% of fucosan, 0.1-0.5% of polyacrylamide, 0.1-2.0% of polyether, amine and the balance of water. The additive disclosed by the invention is added into a texturing liquid for chain texturing of monocrystalline silicon wafers, so that the texturing time of chain texturing can be shortened to 3min, the productivity can be improved, the reflectivity of textured wafers can be kept at 11-12% and is basically equivalent to that of textured wafers obtained by groove texturing, and silicon wafers have better conversion efficiency.

The invention relates to medium-coarse Yangba pressure-change resin for synthetic leather. The medium-coarse Yangba pressure-change resin is prepared from the following raw materials in parts by weight: 50-52 parts of high-film Yangba resin, 20-22 parts of butanone, 16-18 parts of methylbenzene, 4-6 parts of a pressure toner, 2-4 parts of medium-coarse Yangba powder and 0-1 part of a wear-resistant additive. The invention further discloses a preparation method of the medium-coarse Yangba pressure-change resin for the synthetic leather. The method comprises the steps of mixing one part of high-film Yangba resin, the methylbenzene, the pressure toner and the medium-coarse Yangba powder according to the formula and filtering; adding the butanone and the wear-resistant additive and stirring evenly; and adding the remaining high-film Yangba resin, stirring evenly to obtain the medium-coarse Yangba pressure-change resin for the synthetic leather. Various components of the medium-coarse Yangba pressure-change resin coordinate with one another and work together, so that after Yangba is foamed, the medium-coarse Yangba pressure-change resin is uniform in cells, good in velvet hand feeling and obvious in color difference after hot stamping.

A textile down-proof process is characterized by including the steps: (1) fabric selection: selecting a plain weave fabric woven with fully-drawn nylon yarns; (2) performing water repellent finishingon the fabric; (3) calendering the fabric after water repellent finishing by a calender at the pressure of 9-11MPa at the temperature of 100-110 DEG C and at the speed of 30-40m/min; (4) preparing a coating adhesive. The yarn count of the plain weave fabric is 20D-40D, the density of the plain weave fabric is 290Tex-400Tex, and water repellent grade is larger than or equal to 3. Fabric base clothis effectively combined with the coating adhesive to achieve a down-proof effect, the down-proof effect at a sewing needle hole is particularly achieved, by the aid of the selected coating adhesive, comprehensive indexes such as down-proof performance, cold resistance, moisture penetrability, washing fastness and softness of the fabric can be ensured by low weight increase, and the wearing comfortableness of the fabric is better on the premise of meeting functionality.

The invention discloses stereoscopic-block corduroy fabric and a manufacturing method of the stereoscopic-block corduroy fabric. The stereoscopic-block corduroy fabric is woven by a group of warp yarn and three groups of weft yarn, wherein the three groups of weft yarn are respectively ground weft, first pile weft and second pile weft; the ground weft and the warp yarn are interwoven to form a fabric ground tint weave. The stereoscopic-block corduroy fabric is provided with two side surface units and one top surface unit which correspond to stereoscopic block patterns, wherein one side surface unit is used for enabling the first pile weft to float on a cloth cover and second pile weft to sink to be interwoven with the ground weft; the other side surface unit is used for enabling the second pile weft to flow on the cloth cover and the first pile weft to sink to be interwoven with the ground weft; the top surface unit is used for enabling the first pile weft and the second pile weft to float on the cloth cover to form mixed floating weft. Woven semi-finished fabric is subjected to dyeing treatment, thus finally obtaining the corduroy fabric, of which the two side surface units are in different colors and the top surface unit is in mixed color, capable of displaying stereoscopic-block double-color patterns. According to the stereoscopic-block corduroy fabric disclosed by the invention, traditional straight-strip corduroy is completely improved into patterns having stereoscopic block shapes, a multi-color sense is obtained, the performance is novel, a novel style idea is created for corduroy products, and individual diversified demands of publics are met.