36results about How to "Retain breathability" patented technology

The invention discloses a finishing agent composition for cotton-silk fabrics. The finishing agent composition comprises the following ingredients by weight: 120 to 180 parts of dihydroxy ethylene-urea resin, 10 to 60 parts of a powerful protecting agent, 10 to 50 parts of a smoothing agent, 30 to 80 parts of a softening agent, 10 to 25 parts of a catalyst, 5 to 10 parts of an anti-fraying agent, 1 to 5 parts of a penetrating agent, and 5 to 10 parts of a formaldehyde scavenger. The invention further provides a processing method of a cotton-silk easy-care shirt. The processing method of the cotton-silk shirt garment comprises the following steps: prewashing, drying, material spraying, pre-drying, pressing, baking, purified water washing, drying and moisture regaining, wherein the finishing agent composition is uniformly applied onto the cotton-silk easy-care shirt in the material spraying step. The finishing agent composition is used for finishing process of the cotton-silk fabrics, and can be used for overcoming the defect that the anti-sliding property of the cotton-silk fabrics is lowered after conventional easy-care treatment, reserving the own moisture permeability, air permeability and natural drapability of the cotton-silk fabrics, and enabling the cotton-silk fabrics to have relatively high easy-care property. Therefore, people can wear the shirt comfortably, and the shirt is easy to care. Moreover, the formaldehyde content of the finished cotton-silk easy-care shirt can be lower than the national standard.

The invention discloses a bamboo fiber sock and a yarn forming process of the bamboo fiber sock, and belongs to the technical field of the bamboo fiber textile technology. Main yarns of the bamboo fiber sock are 100 percent of bamboo fiber yarns, in addition, double-yarn splicing is carried out after the single-yarn twisting, and the bamboo fiber yarns are prepared through seven steps: loosening, combing, drawing, roving, spinning, dying and spooling. The bamboo fiber sock has high bamboo fiber content, the special functions of ventilation performance, antibacterial performance, deodorization performance and the like of the bamboo fiber are preserved for the maximum degree. In addition, the bamboo fiber sock has the advantages that the pilling is not easy to occur, the intensity is good, the color is vivid, the color difference is small, and the like.

The invention relates to a preparation method of a multi-layered textile fabric capable of purifying air. The method comprises the following steps that: activated carbon fiber is adopted as the middle layer of the fabric, bonding material layers are respectively covered on the upper surface and the lower surface of the activated carbon fiber, single-layered textile fabric layers are singly added on the surface of the upper layered bonding material and the lower layered bonding material, and finally the textile fabric in a five-layered structure is formed. The fabric in the structure can not only prevent the defects of low activated carbon fiber strength, easy fall-off, no wear resistance, poor spinning property and easy external drilling of activated carbon fiber yarn, but also keeps the absorption property of harmful gases, and embodies the characteristics of practicality, durability, aesthetics, permeability, wear resistance and large contact area with the air of the textile fabric. The preparation method is as follows: solid bonding material is combined with the single-layered textile fabric and the activated carbon fiber to prepare the fabric by hot melting after a certain pressure is applied, or liquid bonding material is combined with the single-layered textile fabric and the activated carbon fiber to prepare the fabric by glue transfer after a certain pressure is applied.

The invention discloses a high-strength waterproof ventilated composite dressing and a preparation method thereof. The high-strength waterproof ventilated composite dressing comprises an outer layer and an inner layer, wherein the outer layer is a polytetrafluoroethylene film; the inner layer is hydrogel; the polytetrafluoroethylene film has a pore canal structure; and the polytetrafluoroethylenefilm is in composite connection with the hydrogel on the inner layer through graftd hydrophile macromolecular compounds. The high-strength waterproof ventilated composite dressing prepared by the preparation method disclosed by the invention adopts a puffed polytetrafluoroethylene film as the outer layer structure, so that the dressing has favourable waterproof and anti-fouling performance; the situation that bacteria deeply enter a wound can be effectively prevented by the special pore canal structure, and wound infection is effectively avoided; and besides, the wound transudate and perspiration on the skin can also be quickly evaporated through the special pore canal structure; and the composite dressing reserves the good performance of the puffed polytetrafluoroethylene, so that the dressing can meet the requirements of wound processing under battlefield and field complex condition.

The invention provides a preparation method of a waterproof and breathable water sportswear fabric, and belongs to the field of functional fabric preparation. The water sportswear fabric comprises a surface layer prepared from a waterproof and breathable fabric, and the waterproof and breathable fabric is formed by interweaving waterproof and breathable fibers as warp yarns and weft yarns; the preparation method of the waterproof and breathable fabric comprises the following steps of S1, doping nano-zinc oxide or nano-titanium oxide into polymer resin, and spinning into fibers; S2, conducting KH570 surface active site modification; S3, grafting a methacrylic acid hydrophilic monomer; S4, grafting an azobenzene segment; and S5, grafting a hydrophobic segment; and then manufacturing into a fabric. The fibers are subjected to graft modification and then interwoven into the fabric, the breathability of the fabric can be kept while the waterproof performance is obtained, and a hydrophilic segment, a photosensitive heterogeneous segment and the hydrophobic segment are sequentially grafted to the resin fibers through graft modification to construct the hydrophilic-hydrophobic reversible conversion waterproof fabric.

The invention discloses a softener of lotus root fiber. The softener is prepared from, by weight, 40-50 parts of a pyroligneous liquor, 4-10 parts of butanediol, 8-12 parts of lauryl sodium sulfate, 10-20 parts of sulfoacid, 3-8 parts of cellulose, 1-3 parts of lithium chloride, 2-4 parts of amylase and 400-500 parts of water. The softener of the lotus root fiber has the advantages that the softening effect is good, an isolating membrane cannot be formed on the surface of the lotus root fiber, and the lotus root fiber treated by the softener can improve the comfort of a wearing fabric to the greater extent.

The invention discloses a biological information acquisition device, a smart garment and smart gloves. The biological information acquisition device is applied to a wearable article and comprises a biological information acquisition assembly arranged on the wearable article, a main control unit arranged on the wearable article and conductive yarn for connecting the biological information acquisition assembly and the main control unit, wherein at least part of the biological information acquisition assembly is fixed in the position, corresponding to a to-be-monitored part of a living body, of the wearable article; after the main control unit is electrically connected with the biological information acquisition assembly through the conductive yarn, at least part of the conductive yarn penetrates the wearable article. Compared with the prior art, the biological information acquisition device can acquire biological information of the living body conveniently, and the conductive yarn can be changed adaptively along with the form of the wearable article, so that the practicability and the comfort of the wearable article can be improved greatly under the condition that actions of the living body are not affected.

The invention discloses a bioelectrical signal monitoring device applied to a wearable article. The bioelectrical signal monitoring device comprises a bioelectrical signal monitoring assembly, a memory metal assembly and a main control unit, wherein the bioelectrical signal monitoring assembly and the memory metal assembly are arranged on the wearable article, and at least part of the bioelectrical signal monitoring assembly is fixed in the position, corresponding to a to-be-monitored part of the living body, of the wearable article and connected with the memory metal assembly; the excitation temperature of the memory metal assembly is lower than the temperature of the to-be-monitored living body; when the living body wears the wearable article, the memory metal assembly is excited and deforms towards the bioelectrical signal monitoring assembly to prop the bioelectrical signal monitoring assembly against the to-be-monitored part of the living body. Compared with the prior art, the bioelectrical signal monitoring assembly can be tightly attached to the to-be-monitored part of the living body under the action of the memory metal assembly without aid of external force, and bioelectrical signals of the living body can be monitored precisely for a long time through the main control unit.

The invention discloses a full-bio-based high-durability super-hydrophobic cotton fabric and a preparation method thereof. The preparation method comprises the following steps: carrying out roughening pretreatment on a cotton fabric; dipping the pretreated cotton fabric into an ethanol solution containing epoxidized soybean oil, sebacic acid and DBU, and then carrying out a curing reaction through catalysis of DBU; the treated cotton fabric is soaked in an ethanol solution containing stearic acid for esterification reaction, drying is conducted after soaking is finished, and the full-bio-based high-durability super-hydrophobic cotton fabric can be obtained. The full-bio-based high-durability super-hydrophobic cotton fabric prepared by the method not only has efficient hydrophobic capacity, excellent water-oil separation capacity and excellent self-cleaning capacity, but also adopts a full-bio-based reagent in the whole modification process of the fabric, so that the wearing safety of the modified cotton fabric is ensured; and the biological environmental protection property is greatly improved.

The invention discloses a novel colorful dry powder coating. The novel colorful dry powder coating is prepared from, by weight, 400-500 parts of ordinary Portland cement, 200-300 parts of heavy calcium carbonate, 50-100 parts of talcum powder, 10-20 parts of titanium dioxide powder, 20-50 parts of iron oxide pigment, 2-3 parts of hydroxypropyl cellulose ether, 20-30 parts of modified redispersible polymer resin latex powder, 2-3 parts of sodium bentonite and 2-3 parts of ferrous sulfate. The colorful dry powder coating can be hardened under the condition of high humidity and rainfall, the adhesive power and washing resistant performance of a coating film are very excellent, the weatherability is good, and the novel colorful dry powder coating can be used for coating of internal and external wall veneers of new and old buildings.

The invention discloses a method for coating the surface of porous metal with film. The method for coating the surface of the porous metal with the film comprises the following steps that 1, metal powder is mixed with a solvent, a plasticizer and a binder to form slurry A, and slurry B is prepared by using water and PVA (Polyvinyl Acetate); 2, a base band is coated with the slurry A, and after drying, the surface of the base band is coated with the slurry B; 3, a film blank is formed on the surface of the porous matrix through a cold isostatic press; and 4, demolding is conducted by using water-soluble treatment, and after drying, the porous metal film is prepared by adopting a vacuum degreasing-sintering process. According to the method for coating the surface of the porous metal with the film, the surface of a support body is directly coated with the film, the preparation process of a transition layer is omitted, the production cost is reduced, and the prepared porous film has consistent permeability with the support body, has the advantages of high precision, large flux and controllable film thickness, and can be widely applied to the fields of smoke dust removal, fine filtration and the like.