32results about How to "Good waterproof and breathable effect" patented technology

The invention discloses a water-proof and air-permeable coating process based on a polysulfonamide fabric. A process flow comprises pre-water repellency treatment, drying, baking, primary coating, drying, floating coating, drying, surface coating and drying. By adopting the water-proof and air-permeable coating process based on the polysulfonamide fabric, the waterproofness and the air permeability of the polysulfonamide fabric are greatly enhanced, and the application range of the polysulfonamide fabric is widened.

The invention provides a waterproof breathable rock wool insulation board. The insulation board comprises an upper waterproof layer, an intermediate layer and a lower waterproof layer from top to bottom; the surface of the upper waterproof layer is uniformly provided with hydrophobic protrusions; the intermediate layer is prepared from the following components in parts by mass: 17 to 23 parts of cement, 11 to 15 parts of quartz sand, 5 to 9 parts of glue and 3 to 6 parts of auxiliary material; the auxiliary material is prepared from the following components in parts by mass: 5 to 8 parts of polyvinyl alcohol, 3 to 7 parts of silicon dioxide aerogel, 3 to 5 parts of hydrogen peroxide, 1 to 3 parts of aluminum phosphate solution and 1 to 3 parts of water reducing agent. The insulation board of the invention has the advantages of good heat insulation effect, good waterproof and breathable effect, high weather ability, environmental protection and non-toxicity, has excellent use effect both indoors and outdoors, and is suitable for popularization.

The invention relates to a preparation method of a waterproof breathable film. The preparation method comprises the following steps: dissolving dopamine in methanol to obtain a dopamine solution; dissolving polyamine in water to obtain a polyamine solution; dissolving acyl chloride in an organic solvent to obtain an acyl chloride solution; soaking a base film in the dopamine solution and carryingout drying to obtain a first base film; soaking the first base film in the polyamine solution and carrying out drying to obtain a second base film; and leaching the acyl chloride solution on the second base film and carrying out drying to obtain a waterproof breathable film, wherein the acyl chloride has a structure shown in a formula (I): (as described in the specification), and m in the formulais more than or equal to 2 and less than or equal to 5. The waterproof breathable film prepared by the method has better waterproof and breathable functions.

A heat-insulation waterproof and breathable fabric comprises an expanded polytetrafluoroethylene layer, an oppositely arranged PP flocked layer and a base fabric layer, the expanded polytetrafluoroethylene layer is stitched to the oppositely arranged PP flocked layer, and the oppositely arranged PP flocked layer is stitched to the base fabric layer. The heat-insulation waterproof and breathable fabric has a simple structure, and the expanded polytetrafluoroethylene layer has very good waterproof and breathable effects, and can well obstruct heat transmission of the oppositely arranged PP flocked layer to realize a heat insulation effect.

The invention discloses a waterproof and air-permeable film rotor assembly. The waterproof and air-permeable film rotor assembly comprises a rotor and a stator, an annular gap is formed between the rotor and the stator, the inner diameter D1 of the exterior of the annular gap is greater than the inner diameter D2 of the interior of the annular gap. The waterproof and air-permeable film rotor assembly has the beneficial effects that when a machine works, a rotating shaft is in a horizontal state generally, rainwater entering the annular gap is converged to the lowest position of the annular gapunder the effect of the gravity, and then flows out of the machine, and the waterproof and air-permeable film effects are achieved.

The invention discloses a novel waterproof breathable warm-keeping outdoor jacket fabric and a preparation method thereof. The novel waterproof breathable warm-keeping outdoor jacket fabric comprises a shell fabric, a first glue layer, a waterproof breathable film, a second glue layer and an overall base fabric, wherein the shell fabric is bonded with the waterproof breathable film through the first glue layer, the waterproof breathable film is bonded with the overall base fabric through the second glue layer, the overall base fabric comprises heat preservation cotton, hot-pressing points and heat preservation base fabric, the heat preservation cotton is bonded with the waterproof breathable film through the second glue layer, the heat preservation cotton is bonded with the heat preservation base fabric in a hot-pressing mode, and the hot-pressing points are arranged between the heat preservation cotton and the heat preservation base fabric. According to the novel waterproof breathable warm-keeping outdoor jacket fabric and the preparation method thereof, multiple fabrics are combined, so that the novel waterproof breathable warm-keeping outdoor jacket fabric has better warm-keeping and breathable effects, is more warm-keeping, better in breathability and lower in cost compared with an existing fabric, is used for producing a warm-keeping waterproof breathable fabric, and is high in production efficiency, good in bonding fastness and good in hand feeling.

The invention relates to a high-heat-resistance garment easy to put on and take off, comprising a front part (1) and a back part (2). The top and two sides of each of the front part (1) and the back part (2) are all provided with magnet strips (3). The front part (1) and the back part (2) are made of shell fabric, comprising a polysulfonamide fabric layer, bonding layers of polymer material and coatings allowing the shell fabric to be good in water resistance and breathability; the bonding layers and the coatings are alternately distributed three times. The front part and the back part are attached to the body of a user with limb disabilities and are fastened via the magnet strips, and the garment can be put on simply, conveniently and quickly. The applicable range of the polysulfonamide fabric is widened.

The invention discloses an automobile seat fabric having a fireproof function. The automobile seat fabric comprises a fabric body, a waterproof layer and an activated carbon adsorption layer, whereinthe top of the fabric body is provided with a flame-resistant light-reflecting layer, the upper end face of the flame-resistant light-reflecting layer is connected with anti-slip convex blocks, the waterproof layer is installed at the bottom of the flame-resistant light-reflecting layer, a breathable layer is fixed to the lower end face of the waterproof layer, a basic fabric layer is arranged atthe bottom of the fabric body, the upper end of the basic fabric layer is connected with the activated carbon adsorption layer, the activated carbon adsorption layer is located between the basic fabric layer and the breathable layer, and absorbing holes are formed in the activated carbon adsorption layer. The automobile seat fabric having the fireproof function has a flame-resistant effect and meanwhile reflect sunlight through the arranged flame-resistant light-reflecting layer, prevents fabric temperature rise caused by sunlight irradiation, can be effectively waterproof and breathable through the arranged waterproof layer, the breathable layer and the activated carbon adsorption layer and meanwhile can absorb peculiar smell in an automobile and keep air fresh.

The invention relates to a method for decorating a building exterior wall, comprising the following steps: spraying polyurethane primer on an insulation board of the building exterior wall in the environment of above 5 DEG C; after 4h, spraying intermediate layer paint on the primer in the environment of above 5 DEG C; processing the intermediate layer paint by high class water-based acrylic acid, natural colored sand and natural rock pieces; and after 48h, spraying surface layer paint which is polyurethane finish paint on the intermediate paint in the environment of above 5 DEG C. When the building exterior wall is in use, the waterproof effect is good, and the service life can be prolonged; furthermore, the method has low cost, simple construction and short construction period, and saves time and labor.

The invention relates to high-temperature dimensional-stability clothing with a wind cap. The high-temperature dimensional-stability clothing with the wind cap comprises a clothing body (1), a plurality of air vents (2) are formed in the rear part of the cap of the clothing body (1), a transparent mask (2) is arranged at the front part of the cap, the mask (3) is made of flexible plastic, and the mask (3) is connected with a brim through a zipper (4); a fabric adopted by the clothing body (1) consists of a polysulfonamide fabric layer, bonding layers made of high-molecular materials and coating layers which can endow the fabric with good waterproof and air-permeable performance, wherein the bonding layers and the coating layers are successively and alternately applied thrice. The high-temperature dimensional-stability clothing with the wind cap can achieve a windproof effect. The fabric adopted by the clothing has high-temperature dimensional stability.