80results about How to "Anti-yellowing" patented technology

The invention discloses an ultraviolet curable adhesive with high light transmittance. The ultraviolet curable adhesive provided by the invention is prepared from the following raw materials of: by weight, 5.8-59% of modified acrylic acid oligomer resin, 5.8-59% of an acrylic acid monomer, 2-10% of an auxiliary agent, 0.5-15% of a silane coupling agent, and 1.5-10.5% of a photoinitiator. With the adoption of the above components in proportions, the adhesive provided by the invention has fast curing rate and excellent optical properties, the glue solution is colorless and transparent, its light transmittance after curing is greater than 95%, cure shrinkage is small, the internal stress is low, and caking capability is strong.

The invention discloses a PVC stabilizing agent, which comprises 50 to 75 weight parts of organic weak-acidic rare-earth salt and 25 to 50 weight parts of zeolite reactor. The organic weak-acidic rare-earth salt is prepared by reacting 1 mole part of organic weak acid with 1 to 5 mole parts of natural rare-earth compound under an alkaline conduction, wherein the organic weak acid is one or more than two of phenylformic acid, oleic acid, stearic acid and stearic acid; and the rare-earth compound is one or more than two of the natural compounds of lanthanum, cerium, neodymium and europium. The zeolite reactor is that zeolites absorbing maleic anhydrides are arranged in a channel and a cage. The PVC stabilizing agent of the invention has the advantages of small dosage, self-lubrication, yellowing resistance, no pock and the like; and the PVC material prepared by the stabilizing agent of the invention has good thermal stability and plasticity.

The invention provides anti-yellowing high-temperature resistant wallpaper printing ink, consisting of the following components in percentage by weight: 40%-60% of water-soluble acrylic resin, 8%-10% of toner, 1%-3% of thermal controller and 30%-50% of organic solvent. The formula of the ink provided by the invention adopts the water-soluble acrylic resin and has the advantages of environmental protection and anti-yellowing property; meanwhile, because of the addition of the thermal controller, the ink can bear a high temperature of 200 DEG C to 220 DEG C and is suitable for printing high-grade wallpapers.

The invention discloses a potassium titanate crystal whisker composite quartz plate product. The potassium titanate crystal whisker composite quartz plate product is prepared from the following raw materials: a particle raw materials with a particle diameter of 0.045-5mm, quartz powder with a particle diameter of 0.005-0.045mm, decoration colored pigment, 0.1%-1% of a silane coupling agent, unsaturated polyester resin, potassium titanate crystal whiskers and a curing agent. According to the potassium titanate crystal whisker composite quartz plate product, the crystal whiskers are high in microscopic filling and reinforcing functions, and excellent in dispersibility in the resin; potassium hexatitanate crystal whiskers are used as a reinforcing agent and the unsaturated resin is used as a substrate for preparing light-weight, high-specific-strength, abrasion-resistant and high-surface-finishment composite quartz plate product. The composite quartz plate product is good in practicability and high in cost performance, and can be applied to the places such as airports, hospitals, office building, shops, restaurants, stadiums and the fields such as home decoration and construction decoration and the like.

The invention relates to oil paint and particularly relates to fluororesin oil paint with weather resistance, temperature resistance and color retention. The fluororesin oil paint comprises the following materials in parts by weight: 20-24 parts of fluororesin, 12-15 parts of thermoplastic acrylic resin, 2-3 parts of sodium diacetate, 1-2 parts of ethylene glycol bis-glycidyl ether, 3-4 parts of isocyanuric acid tri-glycidyl ether, 10-12 parts of tripropylene glycol diacryate, 1-2 parts of europium trifluoroacetylacetone, 25-30 parts of urethane acrylate, 2-3 parts of polyacrylamide, 1-2 parts of ferrocene, 2-3 parts of isocyanate, 5-8 parts of epoxidized soybean oil, 1-2 parts of zinc naphthenate, 3-4 parts of diaminodiphenyl-methane, 5-6 parts of additive, 10-12 parts of dimethylbenzene and 10-12 parts of butyl acetate. The fluororesin oil paint has the advantages that the adhesive force of a paint film is strong, the color is bright and full, the color retention is lasting and yellowing resistance is achieved, also has the advantages of weather resistance, ageing resistance, temperature change resistance, anti-corrosion and anti-rusting performances and brushing resistance and the like and can be widely applied in protective decoration of articles in various environments.

The invention discloses a compound fertilizer rich in mineral substances. The compound fertilizer rich in mineral substances comprises the following raw materials in percentages by weight: A, 10-80% of mineral particles which are separated from coal or coal gangue before combustion or chemical conversion of the coal or coal gangue; B, 0-10% of an organic chelating agent; C, 5-40% of animal dung/algae raw materials which are treated biochemically; and optional D, 5-50% of at least one of a nitrogen fertilizer, a phosphatic fertilizer and a potash fertilizer. The mineral particles are rich in at least one of B, Ca, Cl, Cu, Fe, Mg, Mn, Mo, S and Zn which are necessary secondary and microelements for growth of plants. Mineral wastes in the coal chemical industry can be utilized economically and efficiently. The invention further discloses a preparation method of the compound fertilizer rich in the mineral substances.

The invention discloses a high-efficiency electron beam irradiation-resistant composite polypropylene material which is characterized by taking polypropylene resin as a base material and containing the following components in parts by weight: 0.05-0.3 part of irradiation screening agents and 100 parts of polypropylene resin, wherein the irradiation screening agents are compound mixtures of trans-1,2-diphenyl ethylene oxide and acenaphthylene, and the weight ratio of trans-1,2-diphenyl ethylene oxide to acenaphthylene is 1:(0.2-0.5). The high-efficiency electron beam irradiation-resistant composite polypropylene material disclosed by the invention has yellowing-resistant property, is capable of keeping the molecular transparency and ensuring that the transparency of the material can not be reduced, and can achieve the yellow index less than 1 by reducing the integrated mechanical property of the material within 5% and achieve the yellow index less than 1.3 by being naturally aged at normal temperature for 6 months. According to the prepared medical irradiation-resistant composite polypropylene material, the impact resistant property of a base material is enhanced before and after irradiation; and the physical property, chemical property and biological property can completely meet the requirements of an international YY/T0242-2007 'special material for polypropylene for medical transfusion, blood transfusion and syringes'.

This case discloses a potting compound for power electronic devices. The potting compound includes component A and component B, and the mass ratio of component A to component B is (6-10): (1.5- 3), wherein, the A component includes the following materials: vinyl silicone oil, methyl silicone oil, hydrogen-containing silicone oil, white carbon black; the B component includes the following materials: platinum catalyst, plasticizer, acetylenic alcohol compound. The object of the present invention is to provide a potting glue for power electronic devices, which can obtain uniform structure, high light transmittance, large refractive index, extensibility, A potting compound with good tensile strength and bonding strength, as well as excellent thermal conductivity and dielectric properties.

The invention discloses halogen-free flame-retardant glass fiber reinforced nylon. The halogen-free flame-retardant glass fiber reinforced nylon comprises, by weight, 30-60% of nylon, 20-40% of glassfiber and 10-30% of a halogen-free flame-retardant compound system, wherein the halogen-free flame-retardant compound system comprises, by weight, 60-85% of organic hypophosphite, 13-35% of polyphosphoboric acid melamine salt and 2-8% of a charring agent. The structural formula of the polyphosphoboric acid melamine salt is shown in the formula (I); in the formula, m refers to the molar ratio of two structural units including polyphosphoric acid melamine and boric acid, and m is equal to 3-6. The halogen-free flame-retardant glass fiber reinforced nylon adopts the novel halogen-free flame-retardant compound system, and the halogen-free flame-retardant compound system is low in solubility and high in char yield, so that the prepared halogen-free flame-retardant glass fiber reinforced nylon has an excellent flame-retardant effect and can reach the flame-retardant standard of UL94-V0(1.6mm). The formula is shown in the description.

The embodiment of the invention discloses a waterborne wood enamel seal primer and a preparation method thereof. The waterborne wood enamel seal primer is prepared from the following components in percentage by mass: 30 to 50 percent of waterborne nanometer enamel seal emulsion, 5 to 8 percent of waterborne nanometer flame-retardant dispersion slurry, 0.5 to 1 percent of waterborne nanometer silver dispersion slurry, 10 to 20 percent of waterborne polyurethane emulsion, 1 to 3 percent of a waterborne wetting dispersant, 5 to 10 percent of a lead-free filler, 1 to 3 percent of a penetrant, 0.5 to 1 percent of a solubilizing stabilizer, 0.3 to 0.5 percent of an ultraviolet absorption stabilizer, 0.2 to 0.5 percent of a mildew preventive, 0.5 to 2 percent of an anti-fouling agent, 1 to 3 percent of an amine neutralizer, 2 to 5 percent of an antifreezing agent, 0.5 to 2.5 percent of a coalescing agent and 10 to 25 percent of deionized water. The waterborne wood enamel seal primer has excellent properties such as water resistance, early compression resistance, reinforcement expansion resistance and sanding property; the burning of wood products can be effectively prevented and reduced; and the waterborne wood enamel seal primer has active mildew-resisting and antibacterial properties.

The invention belongs to the technical field of biological control, particularly relates to disinfection liquid for rejuvenation and greening of fruit trees and a preparation method of the disinfection liquid. The disinfection liquid is prepared from raw materials: by weight, 10-15% of urea, 5-10% of monopotassium phosphate, 15-20% of saccharose, 10-12% of ferrous sulfate, 3-5% of sodium borate, 2-4% of EDTA chelated zinc, 0.01-0.02% of benzoic acid, 20-40% of walnut green seedcase extract liquid, 0.5-1% of concentrated sulfuric acid, 0.5-1% of absolute ethyl alcohol and the balance being distilled water. The disinfection liquid can improve nutrition condition of the fruit tree, improve symptom iron-deficiency, improve stress resistance of fruit trees, effectively prevent diseases such asring rot, decay, alternaria leaf spot of fruit trees, and achieve rejuvenation of tree bodies and improve yield and income.

The invention discloses a blue glass filter with a high pass rate of visible light in the technical field of optical devices, which comprises a blue glass substrate with a light finishing layer adhering to the top. The top of the light finishing layer is provided with a complex film. The top of a high temperature resistant film is provided with a protecting film using the blue glass as the substrate, which can filter infrared effectively in a manner of absorption. The light finishing layer can effectively correct the light and is difficult to generate the problem of imaging interference. A high refractive index film and a low refractive index film which are respectively prepared from LaTiO3 material and magnesium fluoride, aluminum fluoride or sodium fluoride materials, improve the mean transmissivity of light and the stray light can be effectively cut from infrared and ultraviolet. The high temperature resistant film enables the blue glass filter with high pass rate of visible light to be applied to the field with higher temperature. The setting of the protecting film enables the filter to have the advantages of scratch resistance, yellow resistance and super toughness, and the service life of the filter is improved.

The invention relates to the technology field of a method for finishing leather, and provides a finishing method for manufacturing yellowing resisting patent leather. The finishing method comprises the following process steps in order: ironing crust leather, grinding surface, grinding back, mending blemishes, grinding surface, blowing ash and cleaning surface, carrying out spaying for once, carrying out roller coating for once, carrying out ironing, carrying out the roller coating for twice, and carrying out the roller coating for twice, wherein the roller coating steps are carried out with yellowing resisting materials. According to the physical mode provided by the invention, the yellowing resisting materials can effectively penetrate and be attached to a crust leather surface structure, so the yellowing resisting coating is effectively formed on the crust leather surface, the yellowing resisting coating is not easy to be peeled, and the yellowing resisting function of the crust leather is effectively realized. The method has the advantages of simple process steps and operation convenience, and the finishing method is suitable for large-scale production; the yellowing resisting materials selected for the coating have simple compositions, and do not contain unnecessary chemical components, so that damage to other performances of the crust leather caused by unnecessary chemical components is avoided; accordingly, a finished product leather processed by the method has original leather performances and yellowing resistance at the same time, so that usage demands of the patent leather are satisfied, and the practicality is high.

The invention discloses a negative photoresist composition which is prepared by an anodic electrodeposition process. The photoresist composition mainly contains deionized water, (A) a photosensitive acrylic AED (Anodic Electrodeposition) base material, (B) a polyfunctional reactive diluent, (C) antalkali, (D) a photo-initiation body and (E) a water-based colour paste. A photoresist has high degree of automation through an AED method, and a film layer is thin and compact, has uniform thickness, and is tightly combined with the surface of an electrode. The photoresist can have enough and strong adhesive force on a filament during refining, the reliability during development and etching can be increased, and VOC emission is reduced to a great extent. The photoresist material can be applied to the fields of etching-resisting imaging printing ink, color filters of liquid crystal displays and the like.

The invention discloses a TPU master batch. The TPU master batch is prepared from the following raw material components in parts by weight: 50-80 parts of TPU master batch, 20-30 parts of aliphatic polyurethane with 18 functionality, 0.5-1 part of nano silver particles, 0.1-1 part of organic fluorescent material, 0.3-3 parts of colorful powder, 1-8 parts of polyethylene wax, 1-5 parts of hydrogen-containing silicone oil, 0.5-2 parts of lubricating agent and 0.5-2 parts of defoaming agent. The TPU master batch and aliphatic polyurethane with 18 functionality are compounded to serve as substrateresin, so that the TPU master batch has the excellent anti-yellowing function, meanwhile, nano silver, the organic fluorescent material and the colorful powder are added, polyethylene wax is utilizedto make the functional material be uniformly dispersed in the substrate resin, and the prepared TPU master batch does not only maintain the excellent mechanical performance of the common TPU material, but also has the various kinds of functions such as wear resistant, yellowing resistant, fluorescent and antibacterial. The invention further discloses the preparation method of the TPU master batch, the technology is simple, the production cost is low, the stability of the finished product is good, and large-scale industrialized production is facilitated.

The invention provides an adhesive special for a solar cell module. The adhesive comprises, by weight, 50-80 parts of room temperature vulcanized rubber, 2-20 parts of silicone oil, 40-80 parts of calcium carbonate, 2-10 parts of cross-linking agents, 0.5-15 parts of thixotropic agents, 0.1-1 part of adhesion promoter and 0.01-0.05 part of curing agents. The adhesive special for the solar cell module has the advantages of resisting damp-heat ageing, resisting ultraviolet ageing and resisting xanthochromia, the use performance of the adhesive special for the solar cell module is improved, and the sealing performance of the solar cell module can be guaranteed.

The invention discloses a leather nursing oil, which is composed of the following raw materials in parts by weight: 8 to 15 parts of lanolin, 5 to 15 parts of silicone oil, 10 to 20 parts of wax, 4 to 8 parts of shellac, 5 to 15 parts of ethanol, 0.5 to 1.5 part of emulsifying agent, 1 to 2 parts of softening agent, 1 to 2 parts of antioxidant, 0.5 to 1 part of essence, and 20 to 40 parts of deionized water. The provided leather nursing oil can deeply moisten the fibers in the corium layer, forms an oil film, and can prevent leather yellowing and mildew due to the addition of softening agent and antioxidant, which have the anti-yellowing, sterilizing, and disinfecting effects.