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77results about How to "Guaranteed film formation" patented technology

Moisture permeation and water proofing fabric, and preparation process thereof

InactiveCN102619092ASolve the weakness that it is easy to expand when exposed to waterGood moisture permeabilityFibre treatmentCoated surfaceMoisture permeation
The present invention discloses a moisture permeation and water proofing fabric, and a preparation process thereof. According to the fabric, a prime coat comprises: a polyurethane resin, butanone, toluene, water, 1,6-diisocyanatohexane and N-methylethanolamine; a first surface coating and a second surface coating comprise a polyurethane resin, butanone, toluene, water and N-methylethanolamine. The preparation process comprises: mixing 1,6-diisocyanatohexane and a main resin; mixing water and butanone to form a solvent; adding the solvent to the main resin mixing solution in at least 6 times; filtering the resulting mixed solution with a nylon net to obtain a filtered main resin solution; carrying out a deaeration treatment to form a prime coat slurry; blending a surface coating slurry with a matching solution viscosity of 3500-6000 mpas; coating the prime coat slurry on the surface of the base cloth to form the prime coat, and drying; coating the surface coating slurry on the surface of the prime coat in 2 times to form the surface coatings, and drying. In the prior art, micropores in the hydrophilic moisture permeation processing coating fabric are not uniform, and are easily expanded when contacting the water. With the present invention, the disadvantages in the prior art are solved, and the moisture permeation performance of the fabric is improved.
Owner:KUNSHAN HUAYANG NEW MATERIAL

Long-acting flame retarding coating fabric with safety protection performance, and preparation process thereof

The present invention discloses a long-acting flame retarding coating fabric with safety protection performance, and a preparation process thereof. According to the fabric, a first prime coat and a second prime coat are provided; a surface coating comprises a polyurethane resin, bromoethane, antimony oxide, and zinc borate; and a lining woven from a flame retarding polyacrylonitrile fiber silk is adhered to the other side of a coating layer, wherein the flame retarding polyacrylonitrile fiber silk comprises polyacrylonitrile fiber, cotton and aramid fiber, and a ratio of the polyacrylonitrile fiber to the cotton to the aramid fiber is 4:3.5-4.5:0.9-1.1. The preparation method comprises: respectively soaking and dissolving bromoethane, antimony oxide and zinc borate powder in toluene for at least 24 hours; uniformly mixing the bromoethane, the antimony oxide, the zinc borate powder and a hydrophilic polyurethane moisture permeation primer according to a mass ratio of 40:22-18:4-6:95-105 to form a prime coat slurry; mixing polyacrylonitrile fiber, cotton and aramid fiber according to a mass ratio of 4:3.5-4.5:0.9-1.1, silking to form the flame retarding polyacrylonitrile fiber silk, and adopting a flame retarding lining woven from the flame retarding polyacrylonitrile fiber silk, and adhering on the other side of the surface coating; and uniformly mixing a white slurry and a surface coating slurry to form a blended surface coating slurry. With the fabric of the present invention, the flame retarding time is long, the amount of the smoke generation is small, the droplet is not easily generated, the flame retarding effect is resistant to washing, and the hydrolysis of the flame retarding substances is avoided.
Owner:KUNSHAN HUAYANG NEW MATERIAL

Method for preparing aromatic nucleophilic substitution polymer under anhydrous condition

The invention relates to a method for preparing a polymer by an aromatic nucleophilic substitution reaction under an anhydrous condition. The method comprises the following steps: in an aprotic polar solvent with high boiling point, an aromatic halide and an acyl halide react with phenol, thiophenol or amine respectively by heating according to the feed ratio of the mole number of 1:1 under the existence of anhydrous potassium phosphate to obtain a corresponding macromolecular compound; and a reaction mixture is poured into deionized water after cooled to room temperature to obtain a white fibrous polymer, immersion is carried out for 5 to 10 hours under the condition of 60 DEG C to 80 DEG C and is repeated for 3 to 5 times, and then the processes of filtration, baking and vacuum drying are carried out to obtain the aromatic nucleophilic substitution polymer. The invention omits a toluene organic solvent and takes the anhydrous potassium phosphate as alkali, the alkalescence of the anhydrous potassium phosphate is equivalent to that of potassium carbonate, a sufficient alkaline condition required by the reaction is ensured, monopotassium phosphate generated by the reaction can not decompose to generate water under the reaction temperature of the invention, so the polymerization method of the invention is a novel preparation method under an absolutely anhydrous condition under the precondition of using inorganic moderately strong alkali.
Owner:安徽摩纳珀里科技有限公司

Heat dissipation type solar cell back film

The invention relates to a heat dissipation type solar cell back film. The film comprises a weather-proof layer, a base material and an adhesive layer, wherein the base material is made from a heat dissipation type polyester film, and the heat dissipation type polyester film is formed by successively placing a polyester layer, a first heat conducting polyester layer and a second heat conducting polyester layer from top to bottom. The first heat conducting polyester layer contains first heat conducting particles occupying 5%-20% polyester weights of the first heat conducting polyester layer, the second heat conducting polyester layer contains second heat conducting particles occupying 5%-30% polyester weights of the second heat conducting polyester layer, and surface grafting treatment is performed on the first heat conducting particles and the second heat conducting particles by a hyperbranched polymer. The heat dissipation type solar cell back film has the advantages that the heat dissipation property, the heat conducting property and the film forming property are good; the heat quantity generated by a solar cell module is discharged in time; the operating temperature of a solar cell is reduced; the transfer efficiency of the solar cell is improved; and the service life of the solar cell is prolonged.
Owner:乐凯胶片股份有限公司

Soil stabilizer prepared from bauxite dressing tailings

The invention discloses a soil stabilizer prepared from bauxite dressing tailings, which comprises a powder component and a liquid component, the powder component is prepared from 20-60% of bauxite dressing tailings, 20-70% of a calcium activator and 0-40% of an auxiliary enhancer, the percentage is the effective dry mass percentage of the raw materials, and the sum of the percentage is 100%; and the liquid component is prepared from polyvinyl alcohol-polyethylene glycol and water according to a ratio of 1: 100. According to the invention, industrial solid wastes such as bauxite tailings and the like are greatly utilized, the utilization rate of the industrial solid wastes is increased, the industrial policies of energy conservation, emission reduction and green development in China are met, and the method has wide and profound significance on resource utilization of the industrial solid wastes. The prepared bauxite dressing tailing-based soil stabilizer can replace cement and lime to be applied to improvement and treatment of a road roadbed, has the advantages of no calcination, energy conservation, environmental protection and the like, has an obvious price advantage compared with cement and lime, and plays a positive role in promoting resource utilization of bauxite dressing tailings and other industrial solid wastes.
Owner:HENAN PROVINCIAL COMM PLANNING & DESIGN INST CO LTD

Method for preparing irregular sulfonated poly aromatic (sulfur) ether with high efficiency

The invention discloses a method for preparing irregular sulfonated poly aromatic (sulfur) ether with high efficiency. The method comprises the following steps that: a sulfonated monomer, a non-sulfonated monomer and a bisphenol (bisulfide) monomer are used as initial raw materials; carbonate which is 2 to 2.25 times of the total mole number of the bisphenol (bisulfide) is used as alkali and is added into the raw materials; the mixed materials react for 10 to 24 hours in a non-protonic solvent with high boiling point; then reaction solution is slowly poured into deionized water to obtain a white fibriform polymer; subsequently, the white fibriform polymer is soaked for 5 to 10 hours under the condition that the temperature is between 60 and 80 DEG C and the process is repeated for 3 to 5 times; and the white fibriform polymer is subjected to filtering, drying and vacuum drying to obtain the irregular sulfonated poly aromatic (sulfur) ether. The preparation method does not need the addition of toluene, removes the step of water separation, simplifies the process, avoids the use of mass organic, flammable, volatile and toxic solvents and the subsequent complex process of reclaiming and processing waste liquid, reduces the volume of the reaction liquid, shortens the reaction time and reduces energy consumption so as to reduce the cost of the production process and improve the working efficiency.
Owner:安徽摩纳珀里科技有限公司

Electrostatic spraying antirust oil and preparation method thereof

PendingCN109321338AGood dispersionImprove resistance to acidic atmosphereLubricant compositionSulfonateWax
The invention belongs to the field of metal surface protection and provides electrostatic spraying antirust oil and a preparation method thereof. The antirust oil is prepared from the following ingredients in parts by weight: 5 to 15 parts of oxidized petroleum wax salt, 0 to 5 parts of synthesized ammonium sulfonate and 35 to 90 parts of hydrorefined mineral oil, wherein the oxidized petroleum wax salt is at least one of calcium salt of oxidized petroleum wax, sodium salt of the oxidized petroleum wax or ammonium salt of the oxidized petroleum wax, and the base number of the oxidized petroleum wax salt is 100 to 500 mgKOH/g; the hydrorefined mineral oil is at least one of refined mineral oil with the viscosity of 5 mm<2>/s under 40 DEG C, refined mineral oil with the viscosity of 32 mm<2>/s under 40 DEG C or refined mineral oil with the viscosity of 68 mm<2>/s under 40 DEG C. The antirust oil disclosed by the invention has good environmental protection property and in the meantime, has a reasonable resistance value; the resistance value is only 0.1 to 20 M omega under the temperature of 20 to 60 DEG C; the antirust oil is suitable for electrostatic atomization spraying of metal, can form an even oil film on the plate surface, which cannot be broken down to generate electric spark to be combusted, and has high use safety; furthermore, the antirust performance is excellent, lowtemperature resistance of the product is good, and good fluidity can be achieved under the -20 DEG C environment.
Owner:SHANGHAI PARKER CHEM IND
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