386results about "Solvent-treatment" patented technology

The invention provides a preparation method of an antibacterial nanofiber membrane. The method comprises the procedures of preparation of a nanofiber membrane, preparation of germicide solutions and modification of the nanofiber membrane by the germicide solutions. The method is characterized in that the antibacterial nanofiber membrane is prepared by soaking the nanofiber membrane in the germicide solutions of different concentrations; the nanofiber membrane is formed by being subjected to a polymerization reaction in an organic monomer or a solution of the organic monomer and an inorganic germicide, or is formed by being directly soaked in a polymer solution or a germicide solution of a polymer and an inorganic mixed solution. The preparation method comprises the following steps: step (1), preparing the germicide solutions; step (2), preparing a polymer electrostatic spinning solution and preparing the nanofiber membrane; step (3), modifying the nanofiber membrane by the germicide solutions; an obtained hierarchical-pore nanofiber cross-linked-structure thin film of a core-shell structure is an antibacterial nanofiber membrane finished product.

The invention relates to a one-bath one-step process for a dispersing/reactive dye of a cotton-polyester blended fabric. The one-bath one-step process mainly comprises the following steps performed on the cotton-polyester blended fabric: dispersing/reactive dye one-bath pad dyeing; infrared and hot-air drying in advance; high-temperature baking fixation; padding in a reactive dye fixation solution; steam fixation; water washing; soaping; water washing; drying; terylene dyeing; and obtaining finished cloth. The one-bath one-step process is characterized by fully padding an unstained cotton-polyester blended fabric in a dispersing/reactive dye one-bath solution, introducing infrared and hot air so as to dry 60-70% of water in the fabric in advance, baking at high temperature so as to dye and fix color for polyester fibers, fully padding in the reactive dye fixation solution, performing steam fixation so as to dye and fix color for cotton fibers, and performing the processes of water washing, soaping and water washing so as to fully develop color on the fabric and fully wash off the surface dyeing on the fabric, thereby finishing a dyeing process. The dry and wet grinding fastness can fully meet the customer demand.

The present invention discloses a fabric manufacturing process, which includes the procedures as follows: preparing raw materials, warping, weaving, after treatment, etc. The cation terylene provided by the present invention has the advantages of high dye absorption, good color permeability, good dyeing color fastness, bright color, soft luster and good moisture absorption. Surface combed cation terylene is fully woven and back combed polyurethane adopts 26 ditches and one gap, thus forming the pleasant strip effect. The finished product has good air permeability; the unique polyurethane hollow weaving process forms graceful horizontal strip and ensures the fabric has the unique characteristics of dense structure, thick hand feeling, appropriate stretch and modulus, etc.; the cation terylene yarn with good dyeing performance and dyeing permeability ensures that the color penetrates the interior of fabric. When the fabric is made into the printing swimsuit, the plush and the surface area of the same color even if the fabric pills due to multiple wear and abrasion of swimming wall and beach, thus prolonging the service life of the swimsuit.

The present application is directed to a method of waterless processing of textile materials using supercritical fluid, including the use of supercritical fluid to dye the textile materials, the use of supercritical fluid for a pre-processing procedure of cleansing the textile materials, and the use of supercritical fluid to wash off unfixed dyes and cleansing of the textile materials and to perform the post-processing procedure of adding functional materials after the use of supercritical fluid to dye the textile materials. The present application provides an integrated technology of pre-processing, dyeing and post-processing of textile materials using supercritical fluid. At the same time, cleansing and dyeing are performed which effectively raises the efficiency.

The invention discloses a production process of a ventilated and anti-velvet fine-denier shell fabric, which is characterized by comprising the following procedures of weaving a cloth blank, carrying out cold stacking treatment, desizing, dyeing, sizing, washing by water and calendering, wherein the step of washing by water utilizes full-width water and a working solution which is a water solution of a transfer flexible swelling agent with the weight ratio of 1.5%-2.5%; after the step of washing by water, a product is dried. The fine-denier shell fabric prepared by the process disclosed by the invention can meet the requirements of customers on air permeability, hand feeling and the like, and the anti-velvet property of the shell fabric can be guaranteed within 20 threads.

The invention discloses a method for dyeing and finishing polyester and nylon composite filament corduroy, which comprises the following processes: checking a gray fabric; sewing the gray fabric; pre-shrinking in full width; splitting; pre-shaping; dyeing; soft finishing shaping; and packaging an end product, wherein a full width water washing machine is used for performing the process of pre-shrinking in full width; the process of splitting is performed according to a thermal treatment method and an alkali treatment method; during the process of pre-shaping, the temperature is 195 DEG C-200 DEG C and an assembly line turning speed is 30m/min-35m/min; dye liquor in the process of dyeing is aqueous solution of disperse dye or mixed aqueous solution of disperse dye and acidic dye; and the process of the soft finishing shaping is as follows: the corduroy passes through a material chute containing 10-15g/l softening agent aqueous solution, and then the corduroy is dried and shaped at high temperature, wherein the drying temperature is 165 DEG C-175 DEG C, the assembly line turning speed is 30m/min-35m/min and the softening agent is an organic silicon softening agent. The end product prepared according to the method provided by the invention has the advantages of high strength, full and mild velvet feeling, excellent shape-keeping property, convenience in washing and finishing, uniform dyeing effect, and capability of obtaining specific gigging effects such as frostwork or polyester peach skin, and the like.

The invention provides antibacterial spun-dyed yarn. On the basis of a total mass of the antibacterial spun-dyed yarn, at least 10 wt% of loose fibers used for the antibacterial spun-dyed yarn are subjected to antibiotic finish; the thread count of the antibacterial spun-dyed yarn is 10S-60S of single yarn or plied yarn, wherein the twist of the single yarn is 300-1300 per meter, and the twist of the plied yarn is 150-1300 per meter. A spinning process of the antibacterial spun-dyed yarn comprises the following steps: first, the loose fibers are subjected to preprocessing and dyeing; all or a part of the loose fibers are subjected to the antibiotic finish according to a ratio; then, the antibacterial spun-dyed yarn is produced through a colored spinning process. A fabric woven through the antibacterial spun-dyed yarn has the advantages of being excellent in antibacterial performance, lasting in antibacterial effect, and quite good in washability, and the fibers subjected to the antibiotic finish do not cause spinnability problems.

The invention discloses bedding fabric with antibacterial and cool functions and a post-finishing process thereof. The bedding fabric is formed by weaving blended yarn with antibacterial and cool functions. The blended yarn with antibacterial and cool functions is formed by blending linen fiber, chitin fiber staple and polyester filament yarn according to sirofil spinning technology. In the blended yarn with antibacterial and cool functions, the linen fiber and the chitin fiber staple are both wrapped on the surface of the polyester filament yarn. The post-finishing process includes the following steps: desizing and scouring-singeing-bleaching repeatedly through chlorine oxygen-cellulase washing-dying-washing and gentle stretching-preshrinking-finished products. The fabric finished products has cool touch, excellent antibacterial performance and good crease resistance. Compared with pure linen fabric, the fabric is soft. Simultaneously compared with chitin fabric, the fabric has a certain body and is appropriate for bedding fabric in spring and summer.

The invention relates to dyeing of fluorescent safe protective polyester and cotton interwoven fabrics, in particular to a technology for producing a high-standard fluorescent safe protective polyester and cotton interwoven fabric by using a domestic fluorescent disperse dye. The technology comprises the following steps of: (1) bleaching pretreatment: enhancing bleaching of a polyester and cotton interwoven fabric by adopting a jig dyeing machine, and removing residual hydrogen peroxide on the interwoven fabric by using a hydrogen peroxide removing enzyme to improve the dyeing uniformity of the fabric; (2) high-temperature and high-pressure dyeing: [1] performing heat preservation level dyeing for 4 times at the temperature of 60 DEG C, so that the fluorescent disperse dye is absorbed uniformly on the surface of the fabric as much as possible; [2] strictly controlling the dyeing rate and the pH value by adopting a method for controlling a dyeing temperature rise curve to satisfy the level dyeing conditions; and (3) reductive washing: performing reductive cleaning, oxygen rinsing and acid washing neutralization after dyeing, rewashing, drying, performing after finishing, tentering, sizing and inspecting the finished product, wherein a mixed solution of rongalite and caustic soda is adopted in the reductive cleaning. The domestic fluorescent disperse dye is produced by adopting high-temperature and high-pressure jig dyeing equipment, has obvious advantages, and is detected through quality standards of EN-471.

The invention belongs to the technical field of industrial dedusting application and particularly discloses a preparation technology of alkali-resisting PTFE (polytetrafluoroethylene) and PPS (polyphenylene sulfide) fiber blended needled felt. The preparation technology comprises following steps: step 1, fiber opening; step 2, fiber carding; step 3, lapping; step 4, needling compaction; step 5, postprocessing: (1), calendering; (2), singeing; (3), impregnation with an emulsion; (4), high-temperature setting; (5), film covering. The preparation technology of the alkali-resisting PTFE and PPS fiber blended needled felt has beneficial effects as follows: 1, a PTFE fiber+PPS fiber needled felt filter material is a filter material with a stereoscopic fiber structure, and the filter material isformed by covering two sides of base cloth with stereoscopically staggered PTFE fibers and PPS fibers respectively, compacting and fixing the base cloth and then needling the base cloth by a needlingmachine; 2, the needled felt filter material has a small bore diameter, low filtration resistance, good breathability and high dust capturing efficiency. The filtration efficiency can reach 99.99% orabove.

The invention provides a cotton-silk XLA mixed fabric and a production method thereof, and relates to a process for dyeing, weaving and finishing cheese of textile fabrics. The production method comprises the following steps: silk cheese is wound, degummed, dyed and then doubled with XLA so as to form weft; cotton yarn is wound, warped and sized so as to form warp; and the weft and the warp are interwoven, singed, desized, set, preshrunk and then made into the cotton-silk XLA mixed fabric. The cotton-silk XLA mixed fabric is an all-natural green elastic fabric which has the advantages of good hand feeling, luster, elasticity and serviceability.

The invention discloses an anti-microbial wool fabric. Warp and weft of the fabric are 60s high count coarse yarn formed by blending fine count wool fibers and bamboo fibers, and the weight ratio of the fine count wool fibers in the high count coarse yarn is 70%. According to the fabric, the fine count wool fibers are processed through traditional Chinese medicine anti-bacterial mixed liquid, so that the fine count wool fabric has a certain anti-bacterial function, and compared with nano silver and organic anti-bacterial agents, anti-bacterial components are safe and reliable.

The invention relates to a production technology for an ultra-thin antibacterial spunlace surgery wiping material, and belongs to the technical field of textile materials. The production technology comprises the steps that the mixed fibers of hydrophilic polyester fibers and viscose fibers are used as raw materials, and the raw materials are sequentially fed into a long curtain, a horizontal opener and a big bin cotton mixing box; then the raw materials are subjected to hierarchical processing through a first fine opener and a second fine opener, the raw materials which are processed by the first fine opener are sequentially fed into a first cotton storage box, a first airflow cotton box, a first carding machine, a cross lapping machine and a draw machine, and the raw materials which are processed by the second fine opener are sequentially fed into a second cotton storage box, a second airflow cotton box and a second carding machine; the two layers of raw materials are overlapped, and then sequentially enter in a spunlace process, an antibacterial treatment process, a drying process, an on-line detection process, a take-up process, a foam dyeing process and a slitting process. The ultra-thin antibacterial spunlace surgery wiping material has good hygroscopicity, gas permeability, sterility and comfort, and the longitudinal wet permeability is good.

The invention discloses blended non-woven fabric and a preparation technology thereof. The blended non-woven fabric comprises the preparation raw materials of degummed silk protein fiber and degummed natural vegetable fiber, wherein the mass ratio of the degummed silk protein fiber to the degummed natural vegetable fiber is (20:80) to (80:20). The blended non-woven fabric not only has the advantages of softness, skin protection and skin favorableness of silk, but also has the elasticity and water absorption of fiber. The blended non-woven fabric is simple in preparation technology, and can be widely applied to industrials of facial masks, sanitary towels, sanitary pads, paper diapers, cosmetics, respirators, hygienic products and medical supplies.