45 results about "4-methoxybenzophenone" patented technology

The invention relates to an advanced water treatment technique for pollution removal through heterogeneous catalytic ozonation. Directed at the disadvantage that a conventional powdery catalyst is unfavorable for realizing separation and inactivation in a water phase, an assembly method for a novel manganese-cobalt complex oxide nanoparticle catalyst-loaded ceramic membrane is provided. The assembly method aims to combine heterogeneous ozonation with a ceramic membrane filtration technique, and utilizes a ceramic membrane structure and active components (MnO2 and Co3O4) on a catalytic layer to catalyze ozone so as to generate -OH with high oxidation capacity, wherein organic compounds can realize reinforced removal of pharmaceutical and personal care products (PPCPs) like 2-hydroxyl-4-methoxybenzophenone in water through direct reaction with molecular ozone or reaction with -OH generated by ozone decomposition; meanwhile, ozone can react with humic acid and natural organic matters (NOMs) in the water, so the formation of membrane pollution is effectively controlled. The manganese-cobalt complex oxide nanoparticles are loaded on the surface of the ceramic membrane, so separation of the catalyst from the water is realized, and a novel method for cleaning and repeated use of the catalyst is provided.

The invention provides a total ultraviolet-proof automobile film, comprising a PET (Polyethylene Terephthalate) composite film, a PET protective film and a PET coating film arranged between the PET composite film and the PET protective film; the side of the PET coating film in contact with the PET composite film is coated with a uv400 total ultraviolet-proof slurry; the side of the PET coating film in contact with the PET protective film is coated with an adhesive; the uv400 total ultraviolet-proof slurry is composed of 2,2'-dihydroxyl-4-methoxybenzophenone, methylbenzene, butanone, an oil-based nano titanium dioxide dispersant, a thioxanthone photoinitiator, a yellow azo dye and acrylic resin. The invention also provides a manufacturing method of the automobile film; the manufactured automobile film is capable of completely stopping ultraviolet rays and preventing the ultraviolet rays from hurting the human body, and also long in service life, good in clarity, and further capable of achieving certain anti-explosion effect on the automobile glass.

The invention provides a method for producing benzophenone ultraviolet absorbent 2-hydroxyl-4-methoxybenzophenone-5-sulfonic acid (BP-4). The invention uses a BP-3 refined product and chlorsulfonic acid to synthesize and prepare the BP-4 in methyl carbonate, and is characterized in that the method comprises the following steps: adding BP-3 refined product, chlorsulfonic acid, methyl carbonate andwater according to a production ratio into a crude product reaction kettle, controlling the temperature to be 23-38 DEG C, keeping temperature and reacting for 18-20 hours to obtain a BP-4 crude product; dissolving the BP-4 crude product in the mixed solvent of the methyl carbonate and a latent solvent, recrystallizing, separating solid phase from liquid phase to obtain the solid phase BP-4 refined product; refining and drying the BP-4 refined product to obtain a finished product. The invention reduces the harmful solvent residue of the product, decreases production cost, and has notable economic benefit and environmental benefit. The product yield reaches 92% and the product purity is increased to 99.5% from 99%.

The invention relates to sun-screen and skin-whitening fabric. The fabric is formed by blending and weaving raw materials in parts by weight as follows: 40-80 parts of bamboo fibers, 40-80 parts of long stapled cotton fibers, 10-30 parts of pearl fibers, 10-30 parts of linen fibers, 10-20 parts of aloe fibers, 10-20 parts of mica fibers and 5-20 parts of milk protein fibers, and the fabric is formed after treatment with an anti-bacterial and sun-screen finishing liquid, wherein the anti-bacterial and sun-screen finishing liquid contains 5-10 parts of chitosan, 5-10 parts of tea polyphenol, 0.5-3 parts of 2-hydroxyl-4-methoxybenzophenone, 0.5-3 parts of salicylic acid phenyl ester, 0.5-2 parts of sodium tripolyphosphate, 5-8 parts of trimethyltetradecylammonium chloride, 5-10 parts of polyethylene glycol, 5-10 parts of polyhexamethylene biguanidine, 5-15 parts of nano titanium dioxide, 3-8 parts of N-dodecyl glucosyl lauramide and 5-10 parts of waterborne polyurethane. The fabric has high antibacterial and sun-screen effects, has a skin-whitening and skin-care effect and cool texture and is anti-pilling, breathable, good in moisture absorption, soft, comfortable, wear-resisting and very suitable for being used for making clothes such as underwear, outerwear, shirts, T-shirts and the like.

The invention belongs to the technical field of cosmetics, medicines and food chemistry, and discloses benzophenone derivatives serving as tyrosinase activating agents and applications thereof. The benzophenone derivatives serve as the tyrosinase activating agents and are one or more than one of 2-hydroxybenzophenone, 3-hydroxybenzophenone, 4-hydroxybenzophenone, 4-methoxybenzophenone, 4-aminobenzophenone, 3-aminobenzophenone, 4, 4'-dihydroxy benaophenonel, 2, 4, 4'-trihydroxybenzophenone or 3-methoxyl-4, 4'-dihydroxy benaophenonel. The compounds disclosed by the invention have intense tyrosinase activation activity and obvious application prospect in medicines (such as treatment of leucoderma) and cosmetics (such as hair-blacking liquid shampoo).

The invention discloses a PETG (Polyethylene Terephthalate Glycol) modified copolyester. The PETG modified copolyester comprises the following components in parts by weight: 65-85 parts of terephthalic acid, 15-20 parts of ethylene glycol, 18-25 parts of neopentyl glycol, 10-15 parts of aminopropyl methyl diethoxysilane, 5-7 parts of trialkylphosphate, 20-25 parts of trimellitic anhydride, 12-18 parts of 1,1-cyclopropyl dicarboxylic acid, 8-13 parts of decabromodiphenyl ethane, 10-15 parts of 2-acetoxyl-4-methoxybenzophenone, 5-12 parts of 3,5-dichlorobenzene sulfonamide, 6-10 parts of manganese dioxide, 1-2 parts of a stabilizer, 2-3 parts of an antioxidant and 2-3 parts of a compatilizer. The preparation method comprises the following steps: mixing, performing microwave heating, and carrying out an esterification reaction in mixed gas so as to obtain an oligomer; charging the oligomer to carry out a condensation polymerization reaction so as to obtain a copolymer; and finally, charging the copolymer and regulating the pH value, and stirring, thereby obtaining the final copolyester. The copolyester is modified by utilizing the esterification and condensation polymerization processes, the characteristics of the original PETG copolyester are changed, and the prepared copolyester has high strength, high temperature resistance, lubricating and anti-adhesion properties and wide application range.

The invention discloses a natural enemy attractant for controlling the population quantity of rice planthoppers. The natural enemy attractant comprises the following components: linalool, cis-3-hexenoicaldehyde, cis-acetate-3-hexenyl ester, liquid paraffin, 2,6-di-tert-butyl-p-cresol, 2-hydroxyl-4-methoxybenzophenone at a weight ratio of (0.01-0.10): (0.01-0.10): (0.01-0.10): (0.2-2): (0.01-0.1):(0.01-0.1). The natural enemy attractant disclosed by the invention attracts the female adults of anagrus nilaparvatae which is an important natural enemy of rice planthoppers in an egg stage, thus reducing the population quantity of rice planthoppers and reducing harm to the rice plants. The attractant is low in cost, high in efficiency, friendly to environment, safe to people and livestock and the like. The attractant for anagrus nilaparvatae which is the natural enemy of rice planthoppers has a broad industrial prospect, and due to the simple preparation method, is particularly suitable for the harmless production of rice, and has high economic, social and ecological benefits.

The invention discloses a novel environment-friendly broad-spectrum solar cell material, made from Beta-methoxythiophene, 2-amino-5-thiol-1,3,4-thiadiazole, trimethylolpropane, an epoxysilane coupling agent, maleic acid grafted compatibilizer, acrylic bridging agent, palladium catalyst, graphite, carbon black, silicon carbide, aluminum nitride, silicon nitride, aluminum trioxide, silicon dioxide, montmorillonite, carbon fiber, ceramic fiber, carboxyl methyl cellulose, dibasic lead phosphite, an acrylate regulator, epoxypropoxypropyltrimethoxysilane, 701 powder, aluminum polychloride, ethylene propylene rubber, bis(2,2,6,6-tetramethyl-4-piperidine) sebacate, dibasic lead stearate, 2-hydroxyl-4-methoxybenzophenone, and ammonium polyphosphate. The solar cell material of the invention is efficient in using energy of sunlight, including ultraviolet and infrared bands, photoelectric conversion efficiency is improved, carrier transmission efficiency is improved, and carrier migration rate is increased.

The invention provides a sunscreen skin-moistening lotion which comprises, by mass, 5-30 parts of 2, 2'-dihydroxy-4-methoxybenzophenone, 3-10 parts of 3-(4-methylbenzal) camphor, 2-20 parts of zinc oxide, 2-8 parts of stearic acid, 1-5 parts of essence, 40-80 parts of water, 5-10 parts of tea polyphenol, 4-10 parts of zinc metallothionein and 10-30 parts of vaseline. The sunscreen skin-moistening lotion can nourish and whiten skin and delay skin aging and is simple in preparation method, low in cost and suitable for general use.

The invention relates to a mirror surface special-purposed resin composition and a preparation method thereof. According to the mass, the mirror surface special-purposed resin composition comprises the following raw materials: 65-68 parts of acrylic resin, 15-18 parts of silicon carbide fiber, 3-5 parts of dimethyl silicone oil, 1-5 parts of trimethyl citrate, and 0.3-0.8 parts of 2-hydroxyl-4-methoxybenzophenone. According to the invention, traditional acrylic resin is modified, and is reasonably complexed with other raw materials and auxiliary agents. The obtained resin composition has excellent wear resistance. When the resin composition is used as a mirror surface for a long time, the mirror surface can maintain clear with no scratch.

The invention discloses anti-aging polyethylene color masterbatch. The anti-aging polyethylene color masterbatch is prepared from, by weight, 60-90 parts of polyethylene, 20-30 parts of inorganic pigments, 2-3 parts of a composite dispersion agent, 2-3 parts of an ultraviolet absorber, 20-30 parts of bamboo charcoal fibers, 1-2 parts of a phenol antioxidant 1010 and 1-2 parts of filler. The polyethylene color masterbatch is low in cost, safe and environmentally friendly and contains bamboo charcoal fibers, the antibacterial rate reaches 90% or above, and low ultraviolet transmittance is realized; by adoption of phenyl salicylate and 2-hydroxyl-4-methoxybenzophenone as the ultraviolet absorber, high resin compatibility and wide absorption wavelength range are realized, and effects of a stabilizing agent and a plasticizer are achieved. In application to coloring of polyethylene products, the anti-aging polyethylene color masterbatch has advantages of high aging resistance, uniformity incoloring, freeness of discoloration, high antibacterial rate, low consumption, freeness of influences on mechanical performances of the products and the like, and the service life of the polyethylenematerial is greatly prolonged.

The invention discloses a powerful acrylate adhesive. The powerful acrylate adhesive comprises acrylate, a waterproof agent, an anticorrosive agent, a toughening agent, a wear-resistant agent and a weather-resistant agent, wherein the waterproof agent is sodium methyl silicate; the anticorrosive agent is mercaptobenzothiazole; the toughening agent is carboxylated nitrile rubber; the weather-resistant agent is polyurethane plastic; the weather-resistant agent is 2-hydroxyl-4-methoxybenzophenone. The powerful acrylate adhesive product is prepared from the acrylate and various additives; the prepared adhesive is good in weather resistance, waterproof, anticorrosive, good in toughness, good in wear resistance, stable in performance, and good in flow speed.

The invention discloses a novel solar environmentally-friendly thermal insulation material. The material is prepared from polyurethane, polyether, polybutylene glycol, vinyl resin, white latex, fly ash, talc, calcium carbonate powder, montmorillonoid powder, silicone oil, silicon carbide fiber, glass fiber, polypropylene fiber, hydroxypropyl methyl cellulose, maleic anhydride-grafted compatilizer, an acrylic acid bridging agent, a dispersing agent NC, stannous octoate, azodicarbonamide, an acrylic ester foaming control agent, silicone amide, an epoxy resin binder, dioctyl adipate, liquid polybutadiene rubber, polyaluminum cloride, p-hydroxybenzenesulfonic acid, styrene, a fatty acid stabilizer, an antioxidant 1010, decabromodiphenyl ethane, ammonium octamolybdate and 2-hydroxyl-4-methoxybenzophenone. The prepared novel solar environmentally-friendly thermal insulation material has no deformation phenomenon at high temperature and low temperature; in addition, the compressive strength is high, the flame retardant efficiency is good, an atmospheric ozone layer is not destroyed, and the novel solar environmentally-friendly thermal insulation material is excellent in property.

A preparation method of 2,2'-dihydroxy-4-methoxybenzophenone comprises the following steps: synthesizing 2,2'4-trihydroxybenzophenone from salicylic acid and resorcinol, and carrying out a methylation reaction on 2,2'4-trihydroxybenzophenone and dimethyl sulfate to prepare 2,2'-dihydroxy-4-methoxybenzophenone. The method has the advantages of high purification efficiency, good separation effect of byproducts, high product purity reaching 99.5%, and realization of industrial production requirements of the above product.

The invention discloses a chlorinated polyvinyl chloride sheath for a 30kV power cable. The chlorinated polyvinyl chloride sheath is prepared from the following raw materials in parts by weight: 40 to 50 parts of nitrile silicone rubber, 90 to 110 parts of chlorinated polyvinyl chloride, 2 to 4 parts of barium stearate, 1 to 2 parts of dioctyl sebacate, 1 to 2 parts of epoxidized soybean oil, 2 to 4 parts of chlorinated paraffin, 2 to 4 parts of polyethylene glycol, 50 to 70 parts of a filling material, 6 to 12 parts of a flexibilizer, 1 to 2 parts of maleic anhydride and 1 to 2 parts of 2-hydroxyl-4-methoxybenzophenone. The chlorinated polyvinyl chloride sheath for the 30kV power cable is extremely high in deformation resistance and tear resistance and relatively excellent in mechanical property and can bear most charges, effectively enhance the toughness and avoid the phenomenon of brittle failure.

The invention discloses uvioresistant color masterbatches for polypropylene. The uvioresistant color masterbatches for polypropylene is prepared from the following raw materials in parts by weight: 60-85 parts of polypropylene, 10-15 parts of an ethylene-vinyl acetate copolymer, 7-11 parts of polyolefin elastomer, 3-5 parts of a stryenemaleic anhydride copolymer, 1.5-3 parts of zinc stearate, 1.7-2.5 parts of calcium stearate, 12-18 parts of pigment, 0.35-0.85 part of 2-(2'-hydroxyl-3', 5'-di-tert-phenyl)-5-benzotriazole chloride, 0.2-0.4 part of 2-hydroxyl-4-methoxybenzophenone, 0.2-0.6 partof 2-hydroxyl-4-n-octyloxybenzophenone, 1.5-2.5 parts of silver nitrate, 3.5-6 parts of bis (2,4-di-tert-butyl-phenyl) propionic acid] pentaetythritol diphosphite and 4-7 parts of 2,5 dimethyl-2,5 di-tert-butyl hexane peroxide. The uvioresistant color masterbatches for the polypropylene are good in uvioresistant effect; and the uvioresistant color masterbatches for the polypropylene and a coloredproduct are good in mechanical property, and the comprehensive using performance is good; and the antibacterial property, oxidation resistance, thermal stability and the like are good.

The invention discloses a type of UV-resistant anti-crack modified plastic. The UV-resistant anti-crack modified plastic comprises, by weight, 50 parts to 60 parts of polyethylene, 30 parts to 40 parts of EVA resin, 5 parts to 8 parts of nanometer tin antimony oxide, 1 part to 3 parts of nanometer titanium dioxide, 2 parts to 4 parts of China hemp fiber powder, 1.1 parts to 2.3 parts of zinc stearate, 1 part to 2 parts of nanometer organic montmorillonite, 0.2 part to 0.4 part of antimony oxide, 0.1 part to 0.3 part of 2-Dihydroxy-4-methoxybenzophenone, 0.5 part to 1.2 parts of polydimethylsiloxane, and the appropriate amount of absolute ethyl alcohol. The produced plastic is resistant to UV light and cracking, is remarkably improved in tensile strength and impact strength, and is improved to some extent in chemical resistance and heat resistance; when the plastic is deeply processed to form film which is used for vegetable greenhouses, the plastic has the advantages of being high in low temperature resistance, obvious in heat insulation, self-cleaning, antibacterial, high in light transmittance and the like.

The invention discloses an oil stain-resistant thin film. The oil stain-resistant thin film is prepared from the following raw materials in parts by weight: 60 to 80 parts of bisphenol A type epoxy resin, 20 to 30 parts of polyacrylate, 5 to 10 parts of o-cresol formaldehyde epoxy resin, 5 to 10 parts of polyethylene terephthalate, 3 to 5 parts of zinc oxide, 2 to 4 parts of polyaluminum iron silicate, 1 to 2 parts of 2-hydroxyl-4-methoxybenzophenone, 1 to 2 parts of 2-(2'-hydroxyl-5'-tert octyl phenyl)benzotriazole, 6 to 10 parts of organic solvent, 2 to 4 parts of flatting agent, 1 to 3 parts of curing agent, 0.5 to 1.5 parts of photoinitiator and 0.5 to 1 part of antioxidant. The invention also discloses a preparation method of the oil stain-resistant thin film. Under the common matching action of all raw materials, the oil stain-resistant thin film prepared by the invention is strong in anti-ultraviolet capacity, and the damage of ultraviolet rays to eyes can be reduced.

The invention discloses an ultravioresistant polyurethane plastic racetrack, which is characterized in that the plastic racetrack is prepared from the following raw materials: paraformaldehyde, dimethylethanolamine, methylbenzene, colophony, phenol, hydrogen peroxide, formic acid, phosphoric acid, trimethylolpropane, gamma-glycidoxypropyltrimethoxysilane, nano cerium oxide, acetone, bisphenol A glycerol dimethacrylate, methanol, propylene glycol monomethyl ether, dioctyl phthalate, tetra[beta-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester, 2,2'-dihydroxy-4-methoxybenzophenone, polypropylene glycol, diphenylmethane diiso-cyanate, 8-10% of NaOH solution and deionized water. The polyurethane plastic racetrack prepared according to the invention has excellent properties of good elasticity, wear resistance, skid resistance, attractive color, clean site and easiness for maintenance and management, and is not influenced by weather and like conditions.

The invention discloses a preparing method used for a food vacuum freshness retaining compression bag. The food vacuum freshness retaining compression bag is composed of an aluminum foil bottom layer and polyethylene coating. The aluminum foil bottom layer is composed, by weight percent, 45% of aluminum powder, 25% of polyethylene resin, 15% of nanopowder, 10% of glycerin monostearate, 3% of paroline and 2% of bamboo charcoal particles; the nanopowder is formed through blending of nanosilicon dioxide powder, nanometer titania powder and nano-zinc oxide powder according to the weight percent of 3:1:1; through combination of the ultraviolet shielding effect of the nanopowder in the aluminum foil bottom layer and ultraviolet absorbing effect of 2-hydroxide radical-4-methoxybenzophenone in the polyethylene coating, the food vacuum freshness retaining compression bag can be sufficiently protected, and the conditions that under long-term light irradiation, color is prone to changing, embrittlement is prone to happening, the packaging food goes bad, and the use effect is greatly affected are avoided.