50results about How to "Excellent light aging resistance" patented technology

The invention provides a novel anti-skidding coating for a deck, which is composed of the following components in parts by weight: 30-45 parts of latex, 2-5 parts of film forming accessory ingredient, 15-25 parts of titanium pigment, 5-20 parts of filler, 0.2-1.0 part of wetting dispersant, 5-15 parts of anti-skidding agent, 0.1-0.5 part of de-foaming agent, 0.5-1.0 part of age inhibitor, 0.5-2.0 parts of thickening agent, 0.5-1.0 part of anti-mildew corrosion-protection agent, and 10-25 parts of water. The coating of the invention has very high wearing resistance and anti-skidding degree; the formed coat has good adhesive ability, wearing resistance, weather resistance, light-proof aging resistance, seawater resistance and salt mist resistance, wherein the artificial weathering aging test (ultraviolet UVB-313 resistance) is 4000 h, and the wearing resistance (1000g/1000r) is not more than 30mg; the coating is applied to the corrosion prevention of the decks and the iron surfaces of the sea apparatus of boats and ocean platforms, wherein the decks and the iron surfaces require to have weather resistance, anti-skidding property, wearing resistance, and seawater corrosion resistance. The preparation method of the anti-skidding coating for the deck is simple in technology, low in cost and is performed without special apparatus.

The invention relates to a light aging resistant photodiffusion polycarbonate composite material and a preparation method thereof. The composite material is prepared from the following raw materials in parts by weight: 700-900 parts of polycarbonate aggregate, 100-300 parts of polycarbonate powder, 0.5-5 parts of photodiffusion agent, 2-8 parts of light stabilizer, 1-5 parts of antioxidant and 0.5-2 parts of processing agent. The light aging resistant photodiffusion polycarbonate composite material is prepared from the raw materials in high-speed mixing, extruding and pelletizing manners. The light aging resistant photodiffusion polycarbonate composite material disclosed by the invention has the advantages of being good in processing formability, good in light aging resisting performance, good in light transmittance and haze, and the like.

The invention relates to a wear-resistant nonskid polyurethane deck paint, and a manufacture method thereof. The manufacture method comprises the following steps of: adding a hydroxyl acrylic resin, polyether polyol, hydroxyl-containing fluorocarbon acrylic resin, a polyacrylate copolymer solution, poly(methyl alkyl siloxane) solution and [b-[3-(2-H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-hydroxypoly(oxo-1,2-ethanediyl) to a mixed solvent of xylene, n-butyl acetate, methyl isobutyl ketone and butanone for high-speed stirring; adding rutile titanium white powder, talcum powder, aluminum oxide ceramic powder, sericite powder, silicon micropowder, carbon black and gas-phased silicon dioxide; milling with a sand mill while controlling fineness of a mixture not higher than 60 mu m to obtain a liquid A; and forming a liquid B by a mixed solution of 1,6-hexamethylene diisocyanate tripolymer, anhydrous xylene and n-butyl acetate, and mixing 1 weight part of the liquid A with 0.2-1.0 weight part of the liquid B for use. The obtained wear-resistant nonskid polyurethane deck paint can be used for the corrosion protection of the steel surfaces of deck and ocean facilities.

The invention relates to a modified chlorosulfonated polyethylene rubber coating used for steel storage tanks and a preparation method thereof. The coating comprises a component A and a component B, wherein the component A is composed of chlorosulfonated polyethylene rubber, dimethylbenzene, trimethylbenzene, titanium white powder, talc powder, fluorocarbon-modified polyacrylamide and organic bentonite; and the component B is composed of bisphenol-A epoxy resin, dimethylbenzene, n-butanol, diphenyl guanidine (manufactured by Dongbei Auxiliary general factory, Shenyang) and ethylenethiourea. The component A and the component B are mixed and cured to form a coating film before application. The coating is excellent in physical property, chemical resistance, salt spray resistance and light fastness, and can be used for the surface protection and coating of steel storage tanks in various corrosive environments.

The invention discloses a light aging resistant fluororubber composite material, and a preparation method and an application thereof, and belongs to the field of laser devices. The light aging resistant fluororubber composite material is prepared by the following components in parts by weight: 100 parts of perfluoroether rubber, 3-5 parts of SiO2 hollow balls with particle sizes of 100nm to 2mu m, 2.5-3 parts of vulcanizing agent, 2-3 parts of paraffin and 0.2-0.4 part of light stabilizer. According to the light aging resistant fluororubber composite material provided by the invention, the SiO2 hollow balls are added to improve the volume of the gas in the fluororubber composite material by means of the property that the heat conductivity coefficient of the gas is relatively small, thereby reducing the heat conductivity coefficient of the fluororubber composite material and improving the heat resistance, and the fluororubber composite material has good heat-insulating property, thereby prolonging the light aging resistance time of the fluororubber composite material and ensuring the working reliability of other elements on the surrounding.

The invention provides a thermosetting resin composition, a prepreg containing the same, a metal foil-coated laminate, and a printed circuit board. The thermosetting resin composition comprises alicyclic epoxy resin with a structure as shown in a formula I. Through usage of the alicyclic epoxy resin with a specific structure, the prepared resin composition has excellent resistance to yellowing caused by heat, resistance to ageing caused by light and excellent drilling processability; and a laminate, the metal foil-coated laminate and the printed circuit board prepared from the composition have excellent heat resistance, excellent resistance to ageing caused by light and a water absorption rate of 0.32% or below. According to the invention, the problems of proneness to yellowing and ageing under heat and proneness to yellowing and ageing under illumination of traditional printed circuit boards are overcome; and a preparation process for the thermosetting resin composition is simple and feasible and is low in cost.

The invention discloses a preparation method of an epoxy-modified ultra-matte acrylic acid coating. The epoxy-modified ultra-matte acrylic acid coating is specifically prepared from epoxy-modified ultra-matte acrylic emulsion and color paste in proportion. The coating product provided by the invention has good storage stability, has excellent physical and mechanical properties, chemical resistance, salt spray resistance and light aging resistance after electrophoretic coating, and can pass an artificial accelerated aging test and an artificial accelerated salt spray test for thousands of hours. The coating is suitable for protecting and coating the surface of a workpiece with chemical resistance and ultralow gloss requirements.

The invention provides waterborne polyurethane composite leather. The waterborne polyurethane composite leather comprises a base cloth layer, an adhesion layer, a surface layer and a surface treatmentlayer, wherein the surface treatment layer comprises polyurethane, a bridging agent, a tackifier and a smoothing agent, the surface layer comprises polyurethane, a bridging agent, a tackifier, a pigment and a dissolving medium, and the adhesion layer comprises polyurethane, a hardening agent, a catalyst, a solvent, a flame retardant and a pigment. The invention further provides a preparation method of the composite leather. The preparation method comprises the steps of manufacturing the surface layer, manufacturing the adhesion layer, bonding the surface layer, the adhesion layer and the basecloth layer together, carrying out stripping, carrying out curing treatment, treating the surface layer and the like. According to the waterborne polyurethane composite leather and the preparation method thereof, the surface layer of the waterborne polyurethane composite leather can enhance surface film formation, abrasion resistance and flexibility by improving the components of all the layers and adopting the preparation method; and meanwhile, various strengths such as abrasion resistance, breaking property, tension and cracking of the waterborne polyurethane composite leather are enhanced,and the phenomena of peeling, cracking and the like of a product after long-term solarization are avoided.

The invention relates to the technical field of water-soluble varnish and discloses a preparation method of water-soluble varnish containing Ag-carrying sepiolite. The preparation method comprises the following steps: (1) preparing Ag-carrying sepiolite; (2) compounding silane coupling agent modified Ag-carrying sepiolite with a water-soluble resin liquid A and a water-soluble resin liquid B and then compounding a mixed resin liquid with deionized water, ethanol, tea saponin, water-soluble wax emulsion, a defoaming agent, a levelling agent and a buffer agent, thus preparing the water-soluble varnish containing Ag-carrying sepiolite. The preparation method has the beneficial effects that containing various antibacterial components, such as nano-silver, titanium dioxide and tea saponin, the water-soluble varnish prepared by the preparation method has strong bactericidal broad-spectrum property; the bactericidal components have synergistic effects, so that the bactericidal effects are greatly enhanced; the dispersibility of the bactericidal components in the water-soluble varnish is quite outstanding.

The invention discloses a special full-biodegradable material for a peanut mulching film. The special full-biodegradable material is characterized by being prepared from the following ingredients: 100parts of PLA, 70-90 parts of PBAT, 0.5-1.0 part of a nucleating agent, 5-10 parts of a compound hydrolysis resisting agent, 0.5-1.5 parts of a compound anti-ultraviolet agent, 3-6 parts of a molecular weight modifier, and 25-35 parts of a compound flexibility modifier. The mulching film prepared from the special material is excellent in hydrolysis resistance, lightproof aging property and flexibility, the opening property of the mulching film is good (the time for paving the mulching film is saved), the transmittance of light is high, and the special material can be completely biodegraded into carbon dioxide and water under the composting condition, does not pollute the soil and the environment, and is suitable for serving as the peanut mulching film.

The invention discloses a light-resistant modified PP material and a preparation method thereof. The light-resistant modified PP material is prepared from the following raw materials in parts by weight: 65-85 parts of polypropylene, 5-20 parts of ethylene-octene copolymer, 5-20 parts of inorganic filler, 0.1-3 parts of an antioxidant, 0.1-3 parts of a light stabilizer and 0-4 parts of color masterbatch. The light stabilizer in the light-resistant modified PP material disclosed by the invention can capture active free radicals generated in macromolecules, so that the photooxidation process isinhibited, and the light stabilizer and the antioxidant have a synergistic effect to form a light-stable antioxidant system, meanwhile, under the reasonable compatibility of the components, the modified polypropylene material keeps excellent insulating property and mechanical property, is easy to process and form, has excellent light aging resistance, and the application range of the polypropylenematerial is expanded. The preparation method of the light-resistant modified PP material is simple, easy to control, wide in raw material source, low in cost and convenient for realizing industrial production, and has a wide application prospect.

The invention discloses a novel deck antiskid coating prepared from the following raw materials in parts by weight: 30-45 parts of an emulsion; 2-5 parts of a film forming additive; 15-25 parts of titanium dioxide; 5-20 parts of a filler; 5-12 parts of an organic solvent; 5-15 parts of a nano oxide particle enhancing agent; 1-5 parts of a levelling agent; 1-5 parts of an epoxy solidification promoter; 10-15 parts of a defoaming agent; 0.5-2.0 parts of a thickening agent; 0.5-1.0 part of an antiseptic antimildew agent; and 10-25 parts of water. The novel deck antiskid coating has quite high wear resistance and antiskid degree, a coating layer has the advantages of excellent adhesion, wear resistance, weather resistance, light aging resistance, seawater resistance and salt fog resistance, the process is simple, special equipment is not required, and the price is low.

The invention discloses polyurethane ultrafine fiber leather with high light aging resistance and a preparation method and application thereof, and belongs to the technical field of polymer materials.The polyurethane ultrafine fiber leather comprises a skin layer and a surface skin layer, the skin layer and the surface skin layer uses polyurethane resin as main raw materials and are sequentiallyarranged on the surface of a base fabric layer in a stacked mode, wherein the skin layer contains infrared light reflecting fillers and infrared light transmitting pigments are dispersed in the surface skin layer. Ultraviolet light absorbers and antioxidants are not required to be added in the polyurethane ultrafine fiber leather, and the polyurethane ultrafine fiber leather has excellent light aging resistance, effectively avoids the adverse effects caused by migration of small molecular substances such as the ultraviolet light absorbers and the antioxidants during use of the ultrafine fiberleather. The polyurethane ultrafine fiber leather has good applications in automotive interior products.

The invention belongs to the technical field of optical fiber sheath materials, and particularly relates to a special material for a 5G optical fiber sheath and a preparation method of the special material. The special material is prepared from PBT resin slices, an alpha-methylstyrene-acrylonitrile copolymer, aluminum silicate fibers, a titanate coupling agent, polyether, a light stabilizer, an ultraviolet light absorber and an antioxidant. According to the special material of the invention, the alpha-methylstyrene-acrylonitrile copolymer and the polyether are introduced into the PBT resin slices at the same time, so that the alpha-methyl styrene-acrylonitrile copolymer still can significantly increase the softening point of the PBT resin when being used at a low dosage, the heat resistance of the PBT resin is improved, and the problem of cost increase caused by a condition that that the heat resistance of the PBT resin is improved by adopting high-content alpha-methyl styrene-acrylonitrile copolymer in the prior art is solved; the polyether is doped into the PBT resin slices, so that the melt rheological property of the PBT resin slices in a melting processing process is improved,and the good processability of the PBT resin slices is ensured.

The invention discloses a production method of anti-cracking leather. The leather comprises a base cloth layer, a PVC foaming layer and a surface modification layer, wherein the PVC foaming layer is arranged between the base cloth layer and the surface modification layer, and the PVC foaming layer is particularly prepared from the following raw materials in parts by weight: 110-130 parts of PVC resin, 80-90 parts of an environment-friendly plasticizer, 3-4 parts of a heat stabilizer, 4-5 parts of a foaming agent, 8-10 parts of filler and 3-4 parts of an ultraviolet absorber. According to the anti-cracking leather, PVC is adopted as a main material and matched with base cloth, the novel environment-friendly foaming agent and the heat stabilizer, a coating calendering attachment method is used, efficient and stable surface performance of the artificial leather is guaranteed, the ultraviolet absorber is added into the PVC foaming layer, therefore the leather has an excellent light aging resistance effect, the peeling strength, the low-temperature buckling resistance and the like after long-term solarization are improved, and the phenomena of peeling, cracking and the like of a productin the daily use process are effectively reduced.

The invention discloses synthesized leather. The synthesized leather comprises a basic cloth layer (1), a surface layer (4) and a foaming bonding layer (2) which is located between the basic cloth layer (1) and the surface layer (4), and further comprises an ultraviolet adsorption coating (3) which is arranged between the surface layer (4) and the foaming bonding layer (2); the ultraviolet adsorption coating (3) includes an ultraviolet adsorption agent, wherein the ultraviolet adsorption agent is titanium dioxide ultra-fine powder formed by mixing rutile titanium dioxide and anatase titanium dioxide. According to the synthesized leather, a layer of the ultraviolet adsorption coating is additionally arranged in a conventional synthesized leather structure, so that the synthesized leather has an excellent light-proof aging effect, performance such as the peel strength and the low temperature buckling resistance of the synthesized leather after the synthesized leather is aired for a longtime are improved, phenomena such as peeling and cracking of the products during daily use are effectively reduced, and the hand feeling of the synthesized leather can also be improved.