94results about How to "Improve light aging resistance" patented technology

The invention relates to a power cable insulating layer material and a preparing method thereof. The material comprises, by weight, 70 parts of polyvinyl chloride, 3 parts of ethylene-vinyl acetate copolymer, 10 parts of polyvinylidene chloride, 10 parts of methyl vinyl silicone rubber, 15 parts of GNA type chloroprene rubber, 5-6 parts of epoxy fatty acid essien ester, 1 part of barium stearate, 10 parts of aluminum hydroxide, 5 parts of compatilizer, 8-10 parts of fire resistant systems and 0.1 part of antioxygen. The prepared fire resistant cable material is obvious in synergistic effect, good in antioxidant effect, high in stability and obvious in fire resistant effect, and has wide application prospects.

The invention provides a nylon composite material special for an electric wire and cable jacket, which is prepared from the following components by mass percent: 86-100% of nylon 6, 0.1-2.0% of main antioxygen, 0.1-2.0% of auxiliary antioxygen, 0.1-2.0% of lubricant release agent, 0.1-2.0% of light stabilizer, 0.1-2.0% of lubricant, 0.1-2.0% of nucleating agent and 0.3-2.0% of tackifier, wherein the main antioxygen is a hindered phenol antioxygen, the auxiliary antioxygen is thiodi-propionic acid diester or phosphite ester, the lubricant release agent is calcium stearate, the light stabilizer is a hindered amine light stabilizer, the lubricant is ethylene double hard ester amide (EBS), silicone powder or a compositor of the ethylene double hard ester amide (EBS) and silicone powder, the nucleating agent is nano talcum powder, and the tackifier is nylon 6 containing reactive groups. The nylon composite material has the advantanges of simple formula and cheap, easily available components and low cost, and the electric wire and cable jacket prepared from the nylon composite material can prevent white ants and mousse, has abrasion resistance and corrosion resistance, is durable in use and is non-toxic and environment-friendly.

The invention belongs to the field of water-based ink design and discloses nano titanium dioxide-modified composite water-based ink which comprises nano titanium dioxide-modified water-based acrylic resin, water-based polyester resin, water, ethanol, pigment, an antifoaming agent, a dispersing agent, a leveling agent and a buffer agent. The preparation process of the nano titanium dioxide-modified composite water-based ink comprises the following steps: preparing silane coupling agent modified inorganic nanoparticles from nano titanium dioxide, ethanol, water and gamma-methacryloxy propyl trimethoxyl silane; preparing nano titanium dioxide modified water-based acrylic resin from an alkane-based acrylate monomer, a hydroxyalkyl acrylate monomer, the silane coupling agent modified inorganic nanoparticles, polyethylene glycol, a water-soluble initiator, an emulsifier and water; and finally, preparing the nano titanium dioxide-modified composite water-based ink from the nano titanium dioxide modified water-based acrylic resin, water-based polyester resin, water, ethanol, pigment, an anti-foaming agent, a dispersing agent, a leveling agent and a buffer agent. The water-based ink is resistant to photoaging and antibacterial and mould-proof.

The invention discloses a polypropylene composite material that has excellent light and aging resistant performance and a preparation method thereof. The polypropylene composite material that has excellent light and aging resistant performance consists of raw materials comprising 55 to 95wt percent of polypropylene, 0 to 40wt percent of inorganic filler, 0 to 20wt percent of toughener POE, 0.1 to 5wt percent of molecular sieve activator powder, 0.1 to 1wt percent of main chemical inhibitor, 0.1 to 1wt percent of secondary chemical inhibitor, 0.1 to 2wt percent of light stabilizer agent and 0 to 5.0wt percent of other additives. By adding powder molecular sieve into basic formulation of the polypropylene composite material, the dispersibility of the light stabilizer agent in the polypropylene composite material is effectively improved, thus improving the light and aging resistant performance of the polypropylene composite material.

The invention discloses an antiaging waterproof building paint and a preparation method thereof. The antiaging water-resistant architectural paint is prepared from the following raw materials in parts by weight: 35-50 parts of acrylate emulsion, 5-15 parts of polyvinyl alcohol, 5-10 parts of 2-methoxy-4-methylphenol, 5-15 parts of ethylene glycol, 3-8 parts of ethylene-vinyl acetate copolymer emulsion, 5-10 parts of titanium dioxide, 1-3 parts of sodium dodecylsulfate, 0.1-1 part of dimethyl silicone oil, 1-5 parts of propylene glycol methyl ether acetate, 0.1-1.0 part of antimicrobial agent and 0.1-1.0 part of ultraviolet absorbent. The types and consumptions of the ultraviolet absorbent and antimicrobial agent suitable for the external wall paint are selected according to reasonable proportioning, thereby enhancing the illumination aging resistance; and the paint has favorable antimicrobial property.

The invention discloses a rubber material for agriculture vehicle tires. The rubber material is prepared from the following raw materials in parts by weight: 40-50 parts of natural rubber, 10-14 parts of epoxy natural rubber, 15-20 parts of silicon dioxide, 2-4 parts of a silane coupling agent, 20-30 parts of brominated butyl rubber, 20-30 parts of superfine glass bead, 30-40 parts of carbon black N660, 20-30 parts of light calcium carbonate, 1-2 parts of tetramethyl thiuram disulfide, 1-2 parts of diisopropylbenzene peroxide, 2-3 parts of N-cyclohexyl-2-benzothiazole sulfonamide, 2-4 parts of zinc oxide, 1-2 parts of an accelerant DM, 0.5-1.0 part of an accelerant CZ, 1-2 parts of N-phenyl-N'-(1,3-dimethyl)-p-phenylenediamine, 1-2 parts of 2,2'-methylene-bi(4-methyl-6-tertiary butyl phenol), 1-2 parts of petroleum oil, 2-5 parts of stearic acid, 1-2 parts of protecting wax OK5194, 5-6 parts of rubber tackifying resin A-90, 5-8 parts of antimonous oxide, 5-10 parts of molybdenum trioxide and 20-30 parts of aluminium hydroxide.

The invention relates to the field of preparation of consumables of printing products, in particular to a manufacturing method of weather-resistant, waterproof and high-quality special paper for printing. The manufacturing method comprises the following steps of preparation of initial paper pulp, preparation of a toughening additive, preparation of papercopying pulp, preparation of paper blanks, preparation of an adhesive film solution, and applying of the adhesive film layer. The prepared paper has the advantages that the strength is high, and the printing effect is excellent; the water-resistant, oil-resistant, chemical-resistant and aging-resistant properties are realized; the heat insulation property is good; the certain flame-retardant effect is realized; the paper is flat in surface,is difficult to warp, and is suitable for drum printing; by adopting a large amount of waste paper pulp fiber, the resource is saved, the weight of the paper is light, and the certain fluorescent property is realized; when the paper is used as the advertisement paper, the vision effect is improved; the good bacteria-inhibiting and insect-preventing effects are realized; the added components are free from poison and harm, the safe and environment-friendly effects are realized, and the higher practical value and good application prospect are realized.

The invention relates to a preparation method of a light aging-resistant outdoor recombinant bamboo wood board and belongs to the technical field of bamboo products. By fumigating bamboo bundles, lignin is cracked and crosslinked to form a more stable structure and generate many phenol components and antioxidant components, absorption of ultraviolet light is reduced obviously, and the light aging-resistance of the material is improved. Meanwhile, pores generated by cracking and crosslinking lignin cure and lock camphor oil in the bamboo bundles to achieve the purpose of continuously releasingthe camphor oil; the camphor oil and the generated many phenol components and antioxidant components form a barrier to coat the bamboo bundles to hinder permeation of water, so that the water resistance and the durability of the bamboo bundles are improved. By veneering the surfaces of the recombinant bamboos with fiber cloth layers, an ultraviolet shielding system suitable for the recombinant bamboos is constructed, and is high in ultraviolet shielding property and high in visible light transmittance. The light aging-resistant outdoor recombinant bamboo wood board also has a good protective effect to the shielding system while protecting a base material, and the color and luster of the recombinant bamboos can be protected effectively.

The invention discloses a making method of a polyvinyl chloride plastic, and a making method of a charging pile connecting cable sheath material. The making method of the polyvinyl chloride plastic is characterized in that the polyvinyl chloride plastic adopts SEBS rubber and nitrile rubber as auxiliary plasticizers, and concretely comprises 100 parts of polyvinyl chloride resin, 10-30 parts of dicapryl phthalate, 1-20 parts of dioctyl sebacate, 2-10 parts of a calcium and zinc composite stabilizer, 0-25 parts of the nitrile rubber, 5-25 parts of the SEBS rubber and 0-50 parts of calcium carbonate. The SEBS rubber is a linear or star-shaped triblock copolymer with styrene as an end segment and an ethylene-butylene copolymer obtained after butadiene hydrogenation as a middle elastic copolymer. The nitrile rubber with the acrylonitrile content of 25-35% is used as a compatilizer in the making process of the polyvinyl chloride plastic. The invention also discloses a making method of the charging pile connecting cable sheath material made from the polyvinyl chloride plastic.

The invention discloses a waterproof thermal insulation coating for a building external wall and a preparation method thereof. The waterproof thermal insulation coating is prepared from the followingraw materials in parts by weight: 10-20 parts of hollow glass beads, 30-40 parts of modified attapulgite filler, 30-60 parts of modified styrene-acrylic emulsion, 0.3-5 parts of a coalescing agent, 0.2-2 parts of a defoaming agent, 0.2-3 parts of a preservative and 0.6-4 parts of a dispersing agent. According to the invention, silicon is introduced into the styrene-acrylic emulsion; the high and low temperature resistance, the illumination aging resistance, the water resistance and the oxidation resistance of the styrene-acrylic emulsion are improved; therefore, the prepared coating has good waterproof and anti-aging properties; meanwhile, the solid-phase material is prepared into a slurry state and then is mixed with the styrene-acrylic emulsion and thus all materials can be uniformly mixed; in addition, the hollow glass beads are finally added into the emulsion mixture to be uniformly mixed so that the structural integrity of the hollow glass beads can be guaranteed, the hollow glassbeads are uniformly dispersed, and a good heat preservation and insulation effect is achieved.

The invention discloses a light aging-resistant antitarnish ceramic vessel and a preparation method thereof. The light aging-resistant antitarnish ceramic vessel is prepared from 21-33 parts by weight of dickite, 16-28 parts by weight of opal, 14-25 parts by weight of boehmite, 12-23 parts by weight of polyhalite, 10-15 parts by weight of vulcanic ash, 20-30 parts by weight of pebble shred, 5-10 parts by weight of nanometer titanium nitride, 4-8 parts by weight of nanometer zinc oxide, 8-12 parts by weight of pigment carbon black, 3-5 parts by weight of cocoa butter, 4-8 parts by weight of gum dammar, 3-5 parts by weight of ferric pyrophosphate and 5-8 parts by weight of nano-antibacterial powder. The nanometer titanium nitride, nanometer zinc oxide, pigment carbon black and cocoa butter are mixed according to a specific ratio and produce synergism. Through use of the above materials in dickite, opal, boehmite, polyhalite and pebble shred, good ultraviolet ray shielding effects are obtained, ceramic vessel light aging resistance is substantially improved and chemical stability and wear resistance of the ceramic vessel are improved.

The invention relates to the field of preparation of printed product consumables and particularly relates to a preparation method of environment-friendly high-quality advertising consumable paper. Thepreparation method comprises the following relevant steps: preparing preliminary paper pulp, preparing an enhancing aid, preparing papermaking pulp, preparing a paper base, preparing a glue film solution, and applying a glue film layer. The prepared advertising consumable paper is high in strength, excellent in printing effect and good in water tolerance, oil resistance, chemical resistance, ageing resistance and adiabaticity, has a certain flame-retardant effect, and the surface of the paper is flat, is unlikely to be warped and is applicable to roller printing; by utilizing a large amount of waste paper pulp fibers, the resource is saved; and the paper is light, has a certain fluorescence property, is capable of improving the vision effect when being used as advertising paper and has good antibacterial and insect-prevention effects, and each added component is toxic-free and harmless, so that the advertising consumable paper is safe and environment-friendly and has relatively high practical value and good application prospects.

Provided is an aging-resistant aluminum oxide-nylon heat conducting composite material for LED lamps. The composite material is prepared from, by weight, 200 parts of nylon 6, 8-10 parts of nano-zinc oxide, 30-40 parts of aluminum oxide, 5-8 parts of zirconium tungstate, 20-30 parts of carbon fibers, 50-60 parts of acetone, 80-100 parts of 60%-70% nitric acid, 70-80 parts of a 1%-3% silane coupling agent water solution, 8-10 parts of acetic acid, 15-20 parts of isophorone diisocyanate, 20-25 parts of pentaerythritol triacrylate, 0.4-1 part of a catalyst, 0.4-2 parts of a polymerization inhibitor, 3-5 parts of gelatin, 150-170 parts of tetrahydrofuran, 80-100 parts of toluene and an appropriate amount of deionized water. According to the composite material, nano-zinc oxide is adopted, and therefore the light aging resistance, the shock resistance and the toughness of plastic are improved; surface modification is conducted on the carbon fibers, aluminum oxide is coated with high polymers, and therefore the compatibility of the carbon fibers, aluminum oxide and the nylon 6 is enhanced.

The invention provides a TPO automotive interior material of a graphene reinforced EPDM rubber and a preparation method and application thereof. The TPO automotive interior material sequentially includes a TPO skin layer, a foam layer and a back coat layer in order from bottom to top. The preparation method comprises the steps of: preparing a graphene-containing EPDM masterbatch by a twin-screw extrusion method, and mixing a TPO component, a graphene reinforced EPDM rubber component, a polyolefin elastomer component, a polypropylene component and a pigment component through a metering device to prepare a TPO skin material. The preparation method is simple and controllable, good in repeatability and low in production cost. The TPO automotive interior material prepared by the method does notneed to add a light stabilizer and has the advantages of light aging resistance, heat resistance, static resistance and the like. The TPO automotive interior material can improve quality and comprehensive performances of finished leather when used for automobile leather. The soft TPO material prepared from the method has the advantages of being comfortable to use and low in odor and VOC, can be recycled and is green and environmentally friendly.

The invention discloses a method for preparing a special polyethylene resin composition for a pipe by a master batch method, which comprises the following steps of: 1) mixing polyethylene resin serving as a carrier, a coloring agent and an additive and stirring uniformly; and performing melting mixing granulation by a twin-screw extruder to obtain master batch, wherein the coloring agent is permanent orange G or phthalocyanine blue; the coloring agent comprises an antioxidant B225, a light stabilizer 2'-(2'-hydroxy-3'-tertiary butyl-5'-methylphenyl)-5-chlorobenzotriazole and N'-bis(2,2,6,6-tetramethyl-4-piperidyl)hexamethylene diamine; the amount of the coloring agent is 1-5% by weight; and the amount of the additive is 15-50% by weight; and 2) proportionally mixing the master batch and the resin base material and stirring uniformly, and performing melting mixing granulation by a screw extruder to obtain a product of polyethylene resin composition, wherein the content of the coloring agent is 0.02-0.10% by weight, and the content of the additive is 0.3-1.0% by weight. Through the invention, the light aging resistance of the prepared polyethylene material is obviously improved.

The invention discloses a multilayer extrusion type transparent solar photovoltaic backboard, which comprises a transparent outer layer and a transparent inner layer, and is characterized in that thetransparent outer layer is made of a transparent modified material with hydrolysis resistance, light aging resistance, high temperature resistance and high water vapor barrier property, and the transparent inner layer is made of a transparent modified material. A blocking protection layer can be arranged on the side, away from the transparent inner layer, of the transparent outer layer. A blockingprotection layer can be arranged on the side, away from the transparent outer layer, of the transparent inner layer. Glue can be arranged between the transparent outer layer and the transparent innerlayer, between the blocking protective layer and the transparent inner layer and between the blocking protective layer and the transparent outer layer. The transparent solar photovoltaic backboard has excellent hydrolysis resistance and light aging resistance, high water vapor barrier property, high interlayer peeling strength, simple manufacturing process and good light transmittance, does not contain fluorine, is convenient to recycle, can reduce the weight of a component, and reduces the problems of solvent recycling pollution and the like in the production process of the composite back plate.

The invention discloses a 3D printing photocuring material and an underwater curing after-treatment processing technology thereof. The photocuring material is mainly prepared from, by weight, 20-50% of UV-curing nanometer organic-inorganic silicon hybridized resin, 5-25% of UV-curing self-repairing resin, 0.5-20% of fluorine-modified resin, 10-40% of a monomer diluent, 0.1-5% of a photoinitiator,0.1-1% of a pigment, 0.1-5% of a filler and 0.1-3% of an auxiliary agent. The 3D printing photocuring material is firstly subjected to curing forming by 3D printing DLP equipment with the UVA wavebandof 385 nm, and then subjected to the underwater curing after-treatment processing technology. The 3D printing photocuring material obtained by means of the technology has the tensile strength of 68-80 Mpa and the bending strength of 53-61 Mpa, the scratch resistance is excellent, tiny scratches can be quickly repaired, no mark is left, the surface smoothness level is nabla 10-nabla 11, the size change is within the range of 0-0.10 mm after long-time placement, and the light aging resistance reaches 300 h.

The invention relates to a special filler for ultraviolet-resistant capacitor films, which is prepared from the following raw materials in parts by weight: 4-6 parts of calcium hydroxide, 3-5 parts of magnesium oxide, 0.4-0.7 part of palm wax, 1-2 parts of aluminum dihydrogen phosphate, 0.1-0.2 part of sodium dodecyl benzene sulfonate, 0.2-0.4 part of stearic acid, 6-8 parts of titanium dioxide, 2-3 parts of silicon dioxide, 0.3-0.4 part of aluminum isopropoxide, 60-65 parts of clay, a right amount of 4-6% hydrochloric acid, a right amount of water and 15-20 parts of assistant. The titanium dioxide and silicon dioxide added to the filler can enhance the ultraviolet resistance of the film, so that the filler has favorable reinforcing action and can greatly enhance the light aging resistance, tearing strength and impact strength of the polypropylene film; by using the clay, the cost is lowered; and the assistant can enhance the dispersity and reinforcing performance of the filler and also enhance the strength and impact resistance of the film.

The invention relates to a composite material cable core which is composed of an inner layer and an outer layer; heat-resisting resin is taken as a matrix for the inner layer, and a high-strength ultra-long continuous fiber is taken as a reinforcing material; and hindered anime light stabilizers and ultraviolet absorbers are added in the heat-resisting resin of the inner layer and the outer layer. The cable core provided by the invention has favorable performances of ultraviolet resistance, aging resistance and even heat resistance.