34results about How to "Breathable and moisture-permeable" patented technology

The present invention provides wet-process Yangbuck synthetic leather and a preparation method thereof. The wet-process Yangbuck synthetic leather comprises base cloth composed of fabric pieces and anaqueous polyether polyurethane coating composition based surface layer positioned on the base cloth. The surface layer has the porosity of 80-90%. The aqueous polyether polyurethane coating composition comprises 70-85wt% of aqueous polyether polyurethane, 5-10wt% of fiber powder, 3-6wt% of a first foaming agent, 3-5wt% of a second foaming agent, 1-3wt% of a dispersing agent, 0.5-1.0wt% of a wetting agent and 1-2wt% of bentonite, wherein the fiber powder consists of 95-97wt% of cellulose and 3-5wt% of fatty acid ester. The wet-process Yangbuck synthetic leather provided by the invention has excellent air permeability and moisture permeability, ideal yellowing resistance and delicate velvet surface.

The invention relates to a firefighting uniform fabric. The fabric comprises a fire retardant layer, a polytetrafluoroethylene micro-porous membrane layer, which has been subjected to processes of material blending, blank manufacturing, extruding, rolling, stretching, and sinter curing, a hydrophilic PU layer, and an inner screen cloth layer. The fire retardant layer and the polytetrafluoroethylene micro-porous membrane layer are smelt together through a thermal pressing technology. The polytetrafluoroethylene micro-porous membrane layer and the hydrophilic PU layer are laminated together through a release paper transfer method. The hydrophilic PU layer and the inner screen cloth layer are adhered together through glue. The thickness of the polytetrafluoroethylene micro-porous membrane layer is 2 to 5 [mu]m, micro air holes are evenly arranged in the polytetrafluoroethylene micro-porous membrane layer, and the diameter of the air holes is in a range of 0.5 to 3 [mu]m. The thickness of the hydrophilic PU layer is 3 to 10 [mu]m. The fire retardant layer is composed of two or more components selected from: far infrared ceramic composite fiber, aramid fiber, and carbon fiber. The fabric is lightweight, can effectively prevent the penetration of liquid water, allows the free penetration of gas-stated water molecules, has the advantages of fire resistance, oil resistance, waterproofness, and good wear resistant property, and is a first choice material for firefighting uniforms.

The invention discloses a warm-keeping composite fabric wind coat which comprises a coat body, a collar and sleeves, wherein a cape is arranged on the coat body. The warm-keeping composite fabric wind coat is characterized in that the coat body is made from warm-keeping composite fabric; the sleeves are made from warm-keeping composite fabric; a decorating belt is arranged at the middle of the coat body; and the cape penetrates through the collar and is connected onto the coat body. As an improvement, two ends of the cape are buckled on two sides at the upper part of the coat body. The warm-keeping composite fabric is formed by compounding a hair fine weaving layer with a lining layer. The warm-keeping composite fabric wind coat disclosed by the invention has favorable functions of resisting wind and keeping warmness and certain water vapor permeability; in addition, the composite fabric can be used for making clothes without lining and is an optimal choice for making wind coats and jacks. Meanwhile, a cutting-resisting aluminum alloy sheet is arranged on the coat body and is used for protecting the safety of properties and articles of people.

The invention discloses an acid and alkali resisting finishing agent and the preparing method and application thereof. The finishing agent is prepared from, by weight concentration, 80-120 g / L waterproof and oilproof finishing agent, 30-60 g / L reinforcing agent, and 10-20 g / L film formation catalyst. The waterproof and oilproof finishing agent is prepared from perluorooctyl acrylate, octadecyl acrylate, hydroxymethyl acrylamide, vinylidene chloride, an emulgator, a cosolvent, an initiator and water. Oxidized polyethlene wax emulsion serves as the reinforcing agent. The film formation catalyst is prepared from isocyanate trimer, end methyl polyethylene glycol, a sealing agent, an organic solvent and water. The acid and alkali resisting finishing agent is high in film-forming property and compression strength, can not be wetted or permeated by acid liquid, alkali liquid and various chemical substances, can resist strong acid, strong alkali and strong oxidants and has the advantages of being breathable, comfortable, soft, portable, easy to wash and the like.

The invention relates to combined fabric for uniforms, and belongs to the field of textile fabric. The combined fabric is formed by combining a base fabric layer, a TPU film layer and a Tricot polyester fabric layer, warp yarns of the base fabric layer are 250D polyester low stretch yarns, and weft yarns of the base material layer are 10S TC recuperated yarns. The combined fabric for uniforms has an air and water vapor permeability function, and excess water in uniforms can be drained out of the uniforms in the wearing process; the combined fabric further has a windproof function, temperature inside the uniforms can be effectively maintained, and a warm keeping effect is achieved when a wearer works in winter. The Tricot polyester fabric layer is then combined with the surface of a breathable film, the breathable film can be effectively protected and can not be damaged when the uniforms are worn in work, and therefore the uniforms and the functions are permanent and durable.

The invention discloses a preparation method of a sericin / polyvinyl alcohol compound membrane. The preparation method is characterized by comprising the steps: using deionized water as a solvent, dissolving sericin and polyvinyl alcohol in a heating water bath to obtain a mixed solution of a certain concentration; drying the mixed solution to obtain a mixed protein membrane; treating the mixed protein membrane with an ethanol solution of certain concentration to induce change in structure, so as to obtain the sericin protein / polyvinyl alcohol compound membrane, which is non-soluble in water. The invention has mild preparation condition, short production cycle, and green and environment-friendly production process.

The invention provides a wet-processed yambar synthetic leather and a preparation method thereof. The wet-processed yambar synthetic leather comprises: a base cloth composed of a fabric sheet; a surface layer based on a water-based polyether polyurethane coating composition, the surface layer is located on the On the base cloth, the surface layer has a porosity of 80-90%, and the water-based polyether polyurethane coating composition comprises: water-based polyether polyurethane 70-85wt%; fiber powder 5-10wt%; first foaming agent 3 -6wt%; second foaming agent 3-5wt%; dispersant 1-3wt%; wetting agent 0.5-1.0wt%; bentonite 1-2wt%; wherein, the fiber powder is composed of 95-97wt% cellulose and 3-5wt% fatty acid ester composition. The wet-process yambar synthetic leather provided according to the present invention has excellent air and moisture permeability, ideal yellowing resistance, and a fine and velvety surface.

The invention discloses a down jacket and a production method thereof. The production method comprises a whole process from shell fabric forming to finished product forming. The production method comprises the following steps of: after sticking a breathable and moisture-permeable polyurethane film to the inner side of a warp-knitting or weft-knitting knitted fabric, carrying out laser cutting or ordinary cutting, at least carrying out a seamless plying-up process on a bodice part, then, filling eiderdown, and carrying out auxiliary sewing to form a knitted seamless down jacket. The knitted seamless down jacket can be next to the skin after being worn, is elastic and has a breathable and moisture-permeable function, so that the motion of a human body is greatly facilitated and the comfort is improved; furthermore, the advanced seamless hot-pressing technology is adopted, so that the sewing stitches are greatly reduced, and the problem that the eiderdown comes out from the sewing thread is solved; and the whole jacket is upgraded in both appearance and function.

The invention relates to an environment-friendly preservation box and a preservation method for instant fresh-cut fruits and vegetables, and belongs to the technical field of preservation of the fruits and vegetables. The environment-friendly preservation box for the instant fresh-cut fruits and vegetables comprises a box body and a cover body (1), the box body comprises a box body framework (3) and a double-layer surrounding body (5) covering the outer side of the box body framework, and silica gel windows (4) are arranged on the side wall of the box body; the cover body is provided with a top opening (2), and a gasket is arranged on the top opening and contains ethylene absorbing agents; the double-layer surrounding body (5) comprises an inner-layer surrounding body and an outer-layer surrounding body, wherein the inner-layer surrounding body is made of degradable plastic with high moisture permeability, the outer-layer surrounding body is made of PE preservation films, and the part between the inner-layer surrounding body and the outer-layer surrounding body is filled with foam. The environment-friendly preservation box for the instant fresh-cut fruits and vegetables is high in air permeability and moisture permeability, the deterioration speed of the fruits and vegetables is low, and freshness of the fruits and vegetables is guaranteed.

The present invention belongs to the field of nuclear radiation protection technology, and a nuclear radiation protection yarn and its preparation method with temperature control function will be disclosed.After sexual phase change microcapsules and polymers, mixing the Chinese Communist Party of the ion water, and the solution spinning prepares a phase -changing microcapsule polymer composite fiber; the composite fiber and radiation protection polymer composite fiber of the phase transformer microcapsule polymer, Form a nuclear radiation protective yarn with neutron and gamma ray protection and temperature control functions.The invention prepared with temperature control function nuclear radiation protection yarns can further weave and form nuclear radiation protection textile fabrics and wearable radiation protection products. It has broad application prospects in the areas of nuclear operations, nuclear emergency and other fields, and provides easy operation, process, craftsmanshipNew methods with stable and low cost.

The invention discloses an acid and alkali resisting finishing agent and the preparing method and application thereof. The finishing agent is prepared from, by weight concentration, 80-120 g / L waterproof and oilproof finishing agent, 30-60 g / L reinforcing agent, and 10-20 g / L film formation catalyst. The waterproof and oilproof finishing agent is prepared from perluorooctyl acrylate, octadecyl acrylate, hydroxymethyl acrylamide, vinylidene chloride, an emulgator, a cosolvent, an initiator and water. Oxidized polyethlene wax emulsion serves as the reinforcing agent. The film formation catalyst is prepared from isocyanate trimer, end methyl polyethylene glycol, a sealing agent, an organic solvent and water. The acid and alkali resisting finishing agent is high in film-forming property and compression strength, can not be wetted or permeated by acid liquid, alkali liquid and various chemical substances, can resist strong acid, strong alkali and strong oxidants and has the advantages of being breathable, comfortable, soft, portable, easy to wash and the like.

The invention discloses a pure cotton soft mat fabric and a preparation method thereof. The fabric is composed of basic units arranged circularly. Three areas; the basic unit is formed by the interweaving of warp A yarn, warp B yarn and weft yarn; the weaves of the first area, the second area and the third area are heavy warp weave, open hole weave and plain weave respectively; warp A yarn is ply yarn, The warp yarn B yarn and the weft yarn are single yarns. The manufacturing method of the above-mentioned fabric comprises the following steps: (1) before the warp yarn A yarn is plyed, the single yarn is subjected to scouring and bleaching pretreatment; (3) singeing, desizing, printing or dyeing the gray cloth, and softening the gray cloth; placing the printed or dyed product in the softening finishing solution for beating treatment. The pure cotton soft mat fabric of the present invention has tight texture, delicate touch, moisture absorption and heat absorption, and is breathable and moisture permeable.

The invention discloses a processing technology of soft fading-prevention denim. The processing technology comprises the steps of preparation of modified polyester fiber, preparation of yarn and yarnintertwining. The denim processed through the processing technology has an excellent fading-prevention effect; meanwhile, the soft fading-prevention denim has the advantages of being air and water vapor permeable, tender in hand feeling, and comfortable to wear; the processing technology is simple, low in cost and high in automated degree; meanwhile, in the processing process, fiber resources arefully utilized, and the requirement for environmental protection is met.

The invention provides a coral fleece blended fabric which is composed of cotton fiber, coral fleece, dacron, acetate fiber, soybean fiber, gabardine, plush and camel wool. The fabric made by the formula has the advantages of a fine and smooth texture, a soft hand feeling, high comfort, warmth-keeping performance, air and water vapor permeability, and bacteria resistance and bacteriostasis. The fabric has the advantages that hair slip, pilling and fading do not happen; water absorption performance is excellent and three times the water absorption performance of all-cotton productions; stimulation and irritability are not brought to skin; appearance is nice; and colors are abundant.