44results about How to "Moderate volatilization speed" patented technology

The invention provides a V-shaped seal ring with a fluororubber canvas combination which is characterized in that the seal ring is produced by materials with the following portions by weight: 100 portions of peroxide vulcanized fluororubber, 20-50 portions of light-colored filler, 3-5 portions of zinc oxide, 2-5 portions of iron oxide red, 3-5 portions of 2,5-dimethyl-2,5-di-(tert-butyl peroxide) hexane, 4-6 portions of triallyl glycicy isocyanuratel and 0.5-1.5 portion of processing agent. A preparation method of the invention indicates that the materials with the portions by weight are first made into fluororubber dry mix which is then dissolved in mixed solvent so as to prepare adhesive cement; then the adhesive cement is dip coated on glass fiber cloth to prepared the fluororubber glass fiber canvas which is then die pressed by a vulcanized product combination to prepare the V-shaped seal ring with the fluororubber canvas combination. In addition, the obtained V-shaped seal ring with the fluororubber canvas combination has long service life and is resistant to high temperature, high pressure and hydraulic safety fluid.

The invention discloses an industrial paint film separating agent and application thereof. The industrial paint film separating agent comprises the following components in percentage by weight: 50-75 percent of organic acid, 2-20 percent of alcohols, 0.5-5 percent of fatty alcohol-polyoxyethylene ether and alkylphenol ethoxylates, 0.5-2.5 percent of an anionic surfactant and 5-25 percent of water. According to the prepared separating agent disclosed by the invention, an acrylic ester paint film and epoxy paint films on the surface of a plastic part can be effectively removed and the damage to the plastic part is avoided. After the paint films on the surface of the plastic part are separated by using the separating agent, the surface of the plastic part is cleaned by using a plastic cleaning agent, so that the plastic part can be directly and continuously used as a spraying or printing substrate. The separating agent is mild in volatilization speed and can be reused.

The invention provides a sort of ink manufactured by raw materials with the following mass percent: 10-15 percent of butadiene acrylonitrile rubber, 9-15 percent of neoprene, 5-10 percent of acetone, 5-10 percent of toluene, 10-15 percent of glycol butyl et her, 9-15 percent of linseed oil, 5-11 percent of silicon oil, 1-5 percent of titanate coupling agent, 10-25 percent of pigment, 1-4 percent of polyethylene wax, and 0.5-3 percent of aluminum stearate; the ink of the invention is mainly applicable to printing of various plastic material carriers and is provided with high adhesive attraction and good adhesive effect. In the applying facet, superficial treatment is not needed to be carried out to the plastic material carrier when used; printing can be carried out directly, thus guaranteeing good printing effect.

The invention discloses an alcohol-dissoluble polyurethane resin compound printing ink and a preparation method thereof. The printing ink is prepared by processing the following components by weight percent: 25-35% of alcohol-dissoluble polyurethane resin liquor, 1-3% of polyvinyl butyral resin, 1% of extinction powder, 8-33% of pigment, 0-0.5% of an adhesion reinforcing agent, 15-40% of ethanol and 15-25% of ethyl acetate; and polyurethane resin in the alcohol-dissoluble polyurethane resin liquor accounts for 30-35% by weight percent. The printing ink has the advantages of environmental friendliness, safety, wide application scope, good thermal stability and the like.

The invention discloses a preparation method of polystyrene sulfonic acid type ion exchange resin. The preparation method comprises steps as follows: deionized water, polyvinyl alcohol, ethanol, sodium chloride and sodium persulfate are mixed uniformly, and an aqueous phase is obtained; styrene, divinylbenzene, n-heptane, cyclohexanone, methylbenzene and benzoyl peroxide are added to the aqueous phase to be uniformly mixed, react for 2.5-4 h at the temperature ranging from 70 DEG C to 80 DEG C, react for 5-8 h at the temperature ranging from 85 DEG C to 90 DEG C, react for 0.5-1 h at the temperature ranging from 91 DEG C to 95 DEG C and is washed, filtered, dried and screened, and then polystyrene microspheres are obtained; the polystyrene microspheres are added to dichloroethane to be swollen, a sulfonating agent is added, the mixture reacts for 4-5 h at the temperature ranging from 50 DEG C to 60 DEG C, and the polystyrene sulfonic acid type ion exchange resin is obtained. According to the preparation method of the polystyrene sulfonic acid type ion exchange resin, the operation is simple, conditions are mild, and the obtained polystyrene sulfonic acid type ion exchange resin has high mechanical strength, good heat resistance, a high ion exchange rate and a large specific surface area.

The invention relates to the technical field of coatings, and particularly discloses a polyurethane white paint as well as a preparation method and application thereof. The polyurethane white paint comprises the following formula components in percentage by weight: 40-50% of alcohol acid resin, 30-40% of titanium dioxide, 0.1-0.5% of a fluorescent brightening agent, 0.5-1% of a dispersing agent, 0.2-0.5% of an antifoaming agent, 2-3.5% of propylene glycol methyl ether acetate, 4-15% of butyl acetate, 0-6% of a matting agent, 2-4% of an anti-settling agent, and 0.2-0.5% of a flatting agent. According to the polyurethane white paint, rutile type titanium dioxide and fluorescent whitening powder are added, mixed and ground, so that the effect of obviously whitening can be achieved, and the polyurethane white paint has favorable covering power and weather resistance. What's more, according to the preparation method, the titanium dioxide and the fluorescent brightening agent are controlled to be ground into titanium dioxide pulp together, so that the whitening effect of the coating is ensured to be achieved.

The invention discloses a preparation method of polystyrene anion-type ion exchange resin. The method comprises the following steps: deionized water, polyvinyl alcohol, gelatin, sodium chloride and sodium persulfate are well mixed, such that an aqueous phase is obtained; p-chlorostyrene, divinyl benzene, a pore-foaming agent and benzoyl peroxide are added, and the mixture is well mixed; the temperature is increased to 70-80 DEG C, and a reaction is carried out for 3-5h; a reaction is carried out for 4-8h under a temperature of 85-90 DEG C; a reaction is carried out for 0.3-1h under a temperature of 92-98 DEG C; washing, filtering, drying and sieving are carried out, such that polystyrene microspheres are obtained; the polystyrene microspheres are well mixed with 1,4-dichloromethoxybutane; phosphorus pentoxide is added, and a reaction is carried out for 5-10h under a temperature of 30-40 DEG C; filtering and washing are carried out, such that chloromethylated microspheres are obtained; the chloromethylated microspheres added into N,N-dimethylformamide; dimethylethanolamine is added; the temperature is increased to 40-45 DEG C and a reaction is carried out for 6-9h; and washing is carried out, such that the polystyrene anion-type ion exchange resin is obtained.

The invention relates to a carburetor cleaning agent and a preparation method thereof and belongs to the field of automobile aerosol fine chemicals. The carburetor cleaning agent comprises a material liquid and a propellant. The material liquid comprises, by weight, 10-60 parts of toluene, 10-60 parts of dichloromethane, 1-10 parts of ethanol, 1-10 parts of ethylene glycol ethyl ether, 1-10 parts of propylene glycol methyl ether, 0.01-3 parts of polyisobutylene phenol, 0.01-3 parts of polyisobutene succinimide and 0.01-0.5 parts of a corrosion inhibitor. The propellant comprises, by weight, 30-90 parts of dimethyl ether, 10-40 parts of propane and 5-25 parts of butane. The carburetor cleaning agent has good and stable cleaning effects, a good decontamination capability, large pressure and a low price.

The invention discloses a marine low-surface-energy anti-fouling coating. Raw materials of the coating comprise modified silicone-acrylate resin, chlorosulfonated polyethylene, teflon, a vinylidene fluoride-hexafluoropropene copolymer, epoxy resin, waterborne polyamide, zinc phosphate, carbon nanotube, silicon nitride, nano-sized iron oxide, nano-zinc oxide, mica powder, cerium stearate, fiber fluff, paprika, ground pepper, 3-(3,4-dichlorophenyl)-1,1-dimethylurea, PTPB, 4,5-dichloro-2-n-octyl-3-isothiazolinone, xylene, ethyl acetate, acetone, ethylene glycol monobutyl ether, cyclohexanone and an auxiliary agent. The marine low-surface-energy anti-fouling coating brought forward in the invention has high strength and a good antifouling effect, is resistant to seawater corrosion when in use and is environmentally friendly.

The invention discloses a three-dimensional printing material based on modification of gypsum base powder. Basic composite powder comprises the following components in parts by weight: 50-90 parts of calcium sulphate dihydrate, 25-45 parts of a modifying agent, 1-5 parts of a filling material, 0-2 parts of fibers, and 60-80 parts of a modified solvent. A water-based bonding solution comprises 70-80 parts of distilled water, 5-10 parts of glycerin, 8-10 parts of potassium sulphate, 5-10 parts of absolute alcohol and 1-2 parts of a surfactant. According to the three-dimensional printing material disclosed by the invention, a three-dimensional shaping principle is combined, and the gypsum base powder is modified, so that the hardening speed of gypsum powder is increased, and the rapid shaping requirements of the printing material are met.

The invention discloses a UV-type graphene quantum dot/nano-silver wire composite solvent-based conductive ink and a flexible transparent conductive film based thereon. The conductive ink is preparedby uniformly mixing graphene quantum dots, prepared from graphene oxide in an ethanol solution of nano-silver wires, UV resin, a UV monomer, a photoinitiator, a dispersant and a mixed solvent according to a certain ratio; and the flexible transparent conductive film is obtained by coating the non-hardened surface of a substrate with the conductive ink through a dimpled coating process, drying theink by a tunnel furnace and carrying out UV curing. The flexible transparent conductive film has the characteristics of simple structure, good flexibility, high stability, low square resistance, excellent optical performances, simple preparation process and easiness in industrial production, and is suitable for large-size display and flexible display.

The invention discloses a PIA (meta-phthalic acid)/nanometer titania modified alkyd resin and a preparation method thereof. The PIA/nanometer titania modified alkyd resin comprises the following raw materials: acrylic acid, methylacrylic acid, methyl methacrylate, vinyltriethoxysilane, nanometer titania, epoxy resin, castor oil, trimethylolpropane, 2,2,4-trimethyl-1,3-pentanediol, tetrachlorophthalic anhydride, PIA waste, trimellitic anhydride, triethylamine, ethyl eneglycol monobutyl ether, propylene glycol mono-n-butyl ether, lauric acid, catalytic auxiliary, benzoyl peroxide, dimethylbenzene and water. The PIA/nanometer titania modified alkyd resin provided by the invention is good in water resistance, high in hardness and excellent in comprehensive performance; the PIA waste is used, so that the cost is saved.

The invention discloses a high-temperature-resistant anticorrosive primer for a metal structure surface. The high-temperature-resistant anticorrosive primer is prepared from the following components in parts by weight: 62 to 69 parts of temperature-resistant resin, 20 to 23 parts of a temperature-resistant antirust pigment, 6 to 8 parts of a filler, 3.5 to 4.5 parts of an auxiliary agent and 3 to6 parts of a solvent. The invention also discloses a preparation method for preparing the high-temperature-resistant anticorrosive primer from the components mentioned above. The high-temperature-resistant anticorrosive primer is matched with an organic silicon high-temperature finish paint for coating construction; the formed coating has good physical and chemical properties and corrosion resistance, the service life of a coated object is prolonged within a certain high temperature range, the preparation method is simple and convenient, the primer has a high solid content and low VOC emission, and thus is environmentally friendly, the energy is saved, and the cost is low.

The invention provides a non-combustible safe solvent and application thereof, which belong to the technical field of coatings. The non-combustible safe solvent disclosed by the invention is prepared from 80 to 100 parts of a high-flash-point solvent and 5 to 15 parts of a phosphorus-containing flame retardant. The volatilization speed of the used high-flash-point solvent is lower than that of conventional solvents such as xylene and butyl acetate, after the low-volatility flame retardant is added, the volatilization speed is further reduced, and the effect of moderate volatilization speed is achieved; in the coating process after the paint is mixed with the diluent, the phenomenon that a paint film is softened due to the fact that a small amount of solvent is left due to the low volatilization speed of the diluent is avoided, and the leveling property and gloss of the paint film can be improved.