120 results about "Benzotriazole" patented technology

An aqueous ultraviolet-absorbing resin emulsion, and an aqueous resin emulsion composition containing the emulsion is provided, wherein the emulsion is excellent in compatibility with a synthetic resin and light resistance. Also, the emulsion improves stability in blending with an aqueous emulsion of the synthetic resin, and prevents bleed out of the ultraviolet-absorbing resin on the surface of a coating film. Further, the aqueous ultraviolet-absorbing resin emulsion imparts excellent alkali or solvent resistance to a synthetic resin poor in alkali or solvent resistance. More specifically, an aqueous resin emulsion composition comprising (I) an aqueous ultraviolet-absorbing resin emulsion and (II) an other aqueous resin emulsion is provided, wherein the emulsion (I) is obtained by urethanizing (A) a polyol component having an ultraviolet-absorbing group {e.g., 1,1-bis[3-(2H-benzotriazol-2-yl)-4-hydroxy-benzeneethanol]methane}, (B) a polyol if necessary, (C) an alkyl or aryl dialkanolamine compound, and (D) an organic polyisocyanate in (E) an organic solvent, diluting the reaction mixture with (F) an organic solvent having a boiling point lower than 100° C. to give a resin solution, neutralizing the resin solution with (G) a neutralizing agent, and dispersing the resultant in water.

The application provides a hybrid vehicle engine lubricating oil composition and a preparation method thereof.The hybrid vehicle engine lubricating oil composition comprises the following components: (A) a benzotriazole derivative; (B) a composite antioxidant comprising an alkylated diphenylamine antioxidant and a sulfide phenolic antioxidant; (C) a polyisobutylene succinimide ashless dispersant; (D) a sulfonate and / or a sulfated alkyl phenate; (E) a zinc dialkyldithiophosphate; (F) a composite friction modifier comprising an oil-soluble organic molybdenum friction modifier and an ashless friction modifier; (G) a phosphite type extreme pressure antiwear agent; and (H) a major amount of a lubricating oil base oil; wherein the structure of the benzotriazole derivative is shown in formula (I): wherein the definitions of the groups are shown in the specification.The hybrid vehicle engine lubricating oil composition has excellent antioxidant performance, corrosion resistance and rust resistance, and good emulsion retention performance and wear resistance.

A rust-preventive lubricating oil composition comprising a base oil; a sorbitan fatty acid ester; an overbased magnesium sulfonate; and at least one additive selected from the group consisting of a calcium sulfonate, a calcium sulfonate complex, a zinc sulfonate, a barium sulfonate, a fatty acid zinc, an oleic acid amine salt, an alkenyl succinic acid polyimide, and a benzotriazole derivative.

The application discloses a leakage-proof long-service-life energy storage battery cooling concentrate as well as a preparation method and application thereof. The leakage-proof long-service-life energy storage battery cooling concentrate comprises the following components: ethylene glycol, a surface tension improver, a buffer, a benzotriazole compound and an organic acid. The cooling concentrate has excellent heat conduction performance, metal corrosion resistance, acid resistance, leakage prevention performance and super-long service life, and the cooling concentrate also has good environmental protection performance. By using the cooling concentrate, the performance and service life of the energy storage battery can be effectively improved, the operation and maintenance cost is reduced, and a powerful guarantee is provided for the safe and stable operation of a power system.

The application relates to the field of sealing rings and discloses a silicon rubber sealing ring for capacitors and a preparation method thereof, which comprises the following components: silicon rubber, modified multi-walled carbon nanotubes, hyperbranched triazine-based additives, vulcanizing agents and lubricants; the modified multi-walled carbon nanotubes are prepared by modifying multi-walled carbon nanotubes after introducing double bonds into a benzotriazole intermediate and glycidyl methacrylate in a hydrogen-containing silicone oil molecular chain through a silicon hydrogen addition reaction; the benzotriazole intermediate is prepared by substitution between 2-(2,4-dihydroxyphenyl)-2H-benzotriazole and acryloyl chloride; the hyperbranched triazine-based additives are prepared by nucleophilic substitution reaction with a diamino phosphorus antioxidant prepared by reaction between phenylphosphoryl dichloride and p-phenylenediamine and cyanuric chloride as a monomer; the application is provided with good mechanical properties, antistatic properties, flame retardant properties and aging resistance by adding the modified multi-walled carbon nanotubes and the hyperbranched triazine-based additives.

This invention discloses a multi-effect sunscreen agent and its preparation method, relating to the field of cosmetic technology. This invention adds vetiver root extract, winged fruit oil, and rice bran oil extract to existing conventional chemical sunscreen ingredients, which not only reduces the amount of isoamyl methoxycinnamate, ethylhexyl triazine ketone, methylene bis-benzotriazolyl tetramethylbutylphenol, and bis-ethylhexyloxyphenol methoxyphenyl triazine used in existing chemical sunscreens, but also synergistically increases the sun protection effect. The active ingredients of this multi-effect sunscreen agent are plant-derived substances, making the ingredients safe and mild. Furthermore, the preparation method is simple, the ingredients are readily available, and it has broad market application prospects.

A resin composition containing a copolymer (A) containing a repeating unit (A1) derived from a (meth)acrylic acid ester and a repeating unit (A2) derived from (meth)acrylic acid, a fatty acid metal salt, and a benzotriazole-based ultraviolet absorber.

The application provides a surface composite antioxidation treatment method of tin-phosphor bronze wire, and relates to the technical field of household kitchen. The surface composite antioxidation treatment method of tin-phosphor bronze wire comprises the following specific steps: S1, placing the tin-phosphor bronze wire in a first soaking pool, adding oil removal powder and deionized water in the first soaking pool, and removing oil stains attached to the surface of the tin-phosphor bronze wire; S2, using normal-temperature pure water to spray and clean the tin-phosphor bronze wire after oil removal for the first time. By adding BTA slow-release nano microcapsules, when the surface antioxidation layer of the tin-phosphor bronze wire is damaged in the process of stretching, bending, winding or dragging, the BTA slow-release nano microcapsules in the antioxidation layer are broken, benzotriazole and 2-methyl imidazole in the interior overflow and generate a protective film on the surface of the tin-phosphor bronze wire, and the tin-phosphor bronze wire is protected from oxidation.

A resin composition containing a copolymer (A) containing a repeating unit (A1) derived from a (meth)acrylic acid ester and a repeating unit (A2) derived from (meth)acrylic acid, a fatty acid metal salt, and a benzotriazole-based ultraviolet absorber.

The application discloses a benzotriazole compound, a preparation method and application thereof, and belongs to the technical field of medicinal chemistry. The compound has structures as shown in general formula (I), (II) and (III). A fragment containing an amide bond substituted amino acid ester or amino acid structure is introduced into the system based on benzotriazole to synthesize a series of benzotriazole compounds containing the amino acid ester or amino acid structure. The compound has a good inhibiting effect on plant pathogenic viruses, and especially has a good inhibiting effect on plant pathogenic viruses such as tobacco mosaic virus.

This invention belongs to the field of polymer material additives, and provides a fluorescent whitening agent anti-migration stabilizing excipient and its preparation method. The method involves intercalating 4,4'-bis(2-sulfonate sodium styryl)biphenyl into a zinc-aluminum layered double hydroxide, and then surface-coating it with ethanolamine-modified polypropylene grafted with maleic anhydride compatible components. This is followed by melt granulation with a polypropylene carrier resin, bis(2,2,6,6-tetramethyl-4-piperidinyl) sebacate, and 2-(2H-benzotriazol-2-yl)-4,6-di-tert-amylphenol. This achieves low migration, high retention, and stable dispersion of the fluorescent whitening agent, solving the problems of easy migration, insufficient thermo-photoaging stability, and difficulty in balancing processing window and toughness in polypropylene systems. This method is suitable for the industrial preparation and application of polypropylene whitening modified materials.

This invention belongs to the field of thermoplastic polymer materials and discloses a benzotriazole-containing phenoxy resin with ultraviolet shielding function and its preparation method. The compound has the general chemical formula shown below, where m and n are the number of repeating units, m+n=50~360, m≥0, n≥1, R1 is a phenyl, cycloalkyl, or ester group, R2 is a polyphenyl, polycycloalkyl, or naphthyl group, and R3, R4, and R5 are aromatic ether groups containing a benzotriazole structure. R3, R4, and R5 are all linked to the structure via ether groups. This phenoxy resin exhibits excellent ultraviolet shielding, mechanical strength, and thermal stability, making it particularly suitable for applications in engineering plastics, composite materials, adhesives, coatings, and other fields.

Provided are a method for processing a semiconductor substrate, a method for manufacturing a semiconductor device, and a processing solution for a semiconductor device usable therefor, in which: a processing step of processing a semiconductor substrate including a layer containing a metal nitride with a processing solution for a semiconductor device is included; the processing solution for a semiconductor device contains NH3, a corrosion inhibitor, and water; the corrosion inhibitor is at least one selected from the group consisting of 5-methyl-1H-benzotriazole, imidazole, and 5-amino-1H-tetrazole; and a mass ratio of a content of NH3 to a content of the corrosion inhibitor (NH3 / corrosion inhibitor) is 5 to 60.

The present application relates to a kind of integrated descaling-passivation function polymer and its preparation method and application, belong to industrial equipment chemical cleaning and corrosion protection technical field, it is single compound with formula (I) shown as follows: D-L-P (I), wherein, D is the descaling function chain segment with number average molecular weight of 2,000 to 50,000, selected from polyacrylic acid segment, polyepoxysuccinic acid segment or phosphonated polyacrylic acid segment;P is passivation function end group, selected from the following formula (II) or formula (III) shown as follows: -R 1 -1H-benzotriazole-1-yl (II), wherein R 1 It is C1-C6 straight chain or branched alkylene;-R 2 -Si (OR 3 ) 3 (III), wherein R 2 It is C1-C3 alkylene, R 3 It is C1-C2 alkyl.The integrated descaling-passivation function polymer and its preparation method and application, by covalent bond, descaling chain segment and passivation end group are connected as single molecule, force realizes "clears a point, protects a point" sequence effect, fundamentally eliminates competitive adsorption, reaches the advantage of molecular level synergistic effect.

The application relates to the technical field of photovoltaic adhesive films, and discloses an anti-radiation photovoltaic packaging adhesive film, a preparation method thereof and a photovoltaic module. The adhesive film is a multilayer co-extrusion composite structure formed through co-extrusion molding and irradiation, and comprises an upper surface layer, a middle functional layer and a lower surface layer; the upper surface layer is a radiation-resistant polymer matrix (such as EVA-g-St, EVA-g-(alpha-MeSt), POE-g-St or an EVA / POE-aromatic resin blend); the middle functional layer comprises a packaging resin matrix, an anti-radiation agent (a nanoscale radiation protection material such as a rare earth oxide, a heavy metal oxide, a boron-containing compound or a high molecular derivative of a benzotriazole type ultraviolet absorber) and a stabilizer; and the lower surface layer is a bonding surface layer formed by a light-transmitting bonding resin. The adhesive film has good radiation resistance, and the light transmittance, bonding property, elongation at break retention rate, yellowing resistance and module power attenuation resistance of the adhesive film after accelerated irradiation are obviously improved, so that the service life of the module under strong radiation can be prolonged.

This invention relates to the field of cellulose acetate (TAC) membrane technology, specifically to a cellulose acetate membrane and its preparation method. The components include a solvent and solid components, by weight, wherein the solid components include: 80-110 parts cellulose, 5-10 parts plasticizer, and 0.1-5 parts benzotriazole derivative, with the solid components comprising 10-30 wt% of the total components. The prepared TAC membrane exhibits the following characteristics: fewer than 3 precipitates on the membrane surface; after high-temperature and high-humidity aging for 1000 h, the TAC membrane has a ΔE value < 0.10, a Δtsb transmittance (380nm-550nm value) < 0.5, and the area ratio of point-like, oily, and contaminant precipitates on the membrane surface is < 1%.

The application belongs to the technical field of metal corrosion protection, and particularly relates to a composite gas-phase corrosion inhibitor for extreme marine atmospheric environment, a preparation method thereof and application thereof in the protection of metal parts in the field of offshore wind power, ships, offshore platforms and other marine engineering. The composite gas-phase corrosion inhibitor comprises, by mass fraction, 1-2 parts of benzotriazole, 3-5 parts of cysteine, 0.5-1.5 parts of sodium phytate and 6-8 parts of cyclohexylamine carbonate. The application forms a stable and dense protective film on the surface of copper through the synergistic effect of the components, and can effectively block the coupling erosion of high temperature, high humidity, high salinity and strong radiation in the extreme marine atmospheric environment. Experiments show that the corrosion rate of copper sheets can be reduced by more than 95% in the simulated extreme marine atmospheric corrosion liquid. The application has the advantages of strong adaptability to extreme environment, excellent and long-lasting corrosion inhibition effect, environmental protection, non-toxicity, simple preparation, low cost and the like, and is suitable for long-term protection of copper metal components in the field of offshore wind power and other marine engineering, and has a wide application prospect.

This application belongs to the field of metal corrosion inhibition, specifically providing a neutralizing corrosion inhibitor and its preparation method. A neutralizing corrosion inhibitor comprises the following components by weight: 50-60 parts deionized water, 18-20 parts corrosion inhibitor matrix, 10-14 parts triethanolamine, 3-5 parts benzotriazole, and 6-8 parts ethylene glycol. The corrosion inhibitor matrix of this application is made from raw materials including polysuccinimide, triaminopyrimidine, and tryptophan derivatives. The neutralizing corrosion inhibitor prepared by this application exhibits good thermal stability and excellent corrosion inhibition performance.

The invention discloses an intelligent response type marine antirust agent composition as well as a preparation method and application thereof. The intelligent response type marine antirust agent composition comprises a solvent and the following components in parts by mass: 6-8 parts of ion response microcapsules, 6-8 parts of photo-thermal response microcapsules, 6-9 parts of benzotriazole covalent grafting modified functionalized graphene oxide and 34-38 parts of film-forming resin, a capsule core of the ion response microcapsule is a corrosion inhibitor; the capsule wall is a polyelectrolyte composite membrane formed by self-assembling cationic polyelectrolyte and anionic polyelectrolyte layer by layer, and the outer surface of the capsule wall further comprises an inorganic nanoparticle layer formed by biomimetic mineralization; the cationic polyelectrolyte is poly (diallyldimethylammonium chloride), the anionic polyelectrolyte is sodium polystyrenesulfonate, and the inorganic nanoparticles are calcium carbonate; the photo-thermal response microcapsule comprises a capsule core which is a mixture of CsPbBr and n-octacosane, and a capsule wall which is polyurea formaldehyde.

The application discloses a diamond polishing liquid for optical lenses and a preparation method thereof, and relates to the technical field of polishing materials.The application comprises the following raw materials in mass parts: deionized water 93.3-116.6 parts, diamond micro powder 4-5 parts, sodium polyacrylate 1.5-1.9 parts, a surfactant 0.3-0.4 parts, a synergist 0.5-0.6 parts, and a zwitterionic copolymer 0.2-0.25 parts; the synergist is poly(acrylic acid-co-hydroxyethyl acrylate)-b-poly(N-vinylbenzyl benzotriazole) block copolymer; and the zwitterionic copolymer is a sulfobetaine methacrylate-polyethylene glycol methacrylate copolymer.The introduction of the synergist, the zwitterionic copolymer and the like effectively improves the material adaptation range, the material removal rate, the low residual property and the stability of the diamond polishing liquid.Therefore, the application has a more extensive application prospect.

This invention relates to the field of power protection equipment technology, and discloses a flat-walled reinforced spiral corrugated power protection tube, comprising an inner layer and an outer layer arranged sequentially from the inside out. The inner and outer layers are co-extruded to form a composite tube strip, which is then spirally wound. The inner layer comprises high-density polyethylene, ethylene-octene copolymer, ethylene-vinyl acetate copolymer, maleic anhydride-grafted polyethylene, maleic anhydride-grafted ethylene-octene copolymer, ethylene-propylene random copolymer, talc, and hydrotalcite. The outer layer comprises high-density polyethylene, ethylene-methyl methacrylate copolymer, rutile titanium dioxide, iron oxide red, hindered amine light stabilizer, and benzotriazole UV absorber. This invention improves the contact stability between the inner wall of the sheath and the guy wire through the inner layer composite system, reducing micro-slippage, repeated friction, and localized impacts, and reduces fading through the outer layer weather-resistant system.

This invention relates to an external circulation solid-phase separation system for a photocatalytic reactor of benzotriazole wastewater. It includes a second cylinder, a first cylinder, and an outer cylinder arranged coaxially from the inside out. The outer cylinder has an exhaust port at the top and a slag discharge port at the bottom. The first cylinder and the outer cylinder are fixed together by a bracket. The top of the trumpet-shaped section of the second cylinder is rotatably connected to the inner wall of the first cylinder, forming an annular swirling cavity between the outer wall of the trumpet-shaped section, the outer wall of the second cylinder, and the inner wall of the first cylinder. A mounting frame is fixed to the inner wall of the first cylinder below the second cylinder, and a vertical pipe is installed through the mounting frame. This invention uses an inlet pipe to tangentially feed the material into the annular swirling cavity, generating swirling flow for primary swirling separation of large solid particles. Secondary purification is achieved by the upward flow into the annular upflow cavity through a baffle. After removing denser suspended solids in the system through these two stages of separation, the material is returned to the photocatalytic reactor, improving the light transmittance of the reaction system.

The application discloses an insulating anti-ultraviolet EPDM rubber composite material and a preparation method and application thereof. The material comprises the following preparation raw materials in parts by weight: 100 parts of EPDM rubber, 10-30 parts of titanium white powder, 30-80 parts of nano insulating filler, 2-5 parts of vulcanizing agent, 1-4 parts of vulcanization accelerator, 0.5-2 parts of antioxidant, 2-5 parts of nano cerium oxide, 0.5-2.5 parts of ultraviolet absorber, and 0.5-2 parts of light stabilizer. The antioxidant comprises a hindered phenol type antioxidant and a phosphite antioxidant. The ultraviolet absorber is a benzotriazole ultraviolet absorber. The vulcanization accelerator comprises triallyl isocyanurate and sulfur. The material has excellent mechanical properties and electrical insulation properties, and can still maintain high stability of mechanical properties and electrical properties under the conditions of thermal oxygen aging and ultraviolet aging. The material is particularly suitable for the field of outdoor cable accessories such as cable joints and terminals which have high reliability requirements.

This invention relates to an antistatic composite rubber sheet, comprising, by weight, the following components: 100 parts of a ternary blended rubber matrix, 12-28 parts of a core-shell hybrid filler, 3-6 parts of zinc oxide, 2-5 parts of sulfur, 0.8-2.5 parts of accelerator, 1.5-3.5 parts of calcium stearate, 2-6 parts of plasticizer, and 0.2-0.8 parts of anti-scorching agent. The core-shell hybrid filler is a core-shell structure with a hybrid framework of in-situ grown carbon nanotubes from carbon fibers, and the surface grafted with hindered phenol-hindered amine-benzotriazole ternary anti-aging groups. The core-shell hybrid filler uses carbon fibers as the core to grow carbon nanotubes in situ, forming a one-dimensional to three-dimensional hybrid framework of carbon fibers and carbon nanotubes. The carbon nanotubes grow vertically on the surface of the carbon fibers, forming a "sea urchin-like" structure, upgrading the contact mode between the fillers from the traditional point contact of one-dimensional carbon fibers to line and surface contact. This allows for the construction of a three-dimensional conductive network throughout the entire rubber matrix with extremely low filler content.

The application discloses a high-lead soldering paste for semiconductors and a manufacturing method thereof. The high-lead soldering paste comprises 85-90% of high-lead alloy powder and 10-15% of soldering paste according to the percentage by weight. The soldering paste comprises the following raw materials according to the percentage by weight: 40-50% of modified rosin, 2.5-5% of phthalic acid, 2.5-5% of hydroxyethyl propionic acid, 2-5% of polyethylene glycol, 1-2% of sodium dodecyl benzene sulfonate, 0.5-1.5% of 2,6-di-tert-butyl-p-cresol, 0.5-1% of benzotriazole, 10-30% of propylene glycol, 5-17% of ethylene glycol monobutyl ether and 2-5% of hydroxyethyl cellulose. The high-lead soldering paste is simple to manufacture and easy to operate, has excellent wetting performance and reliable welding performance, has low spatter rate in the welding process, has no corrosion phenomenon of post-welding residues and meets the use requirements of high-reliability application scenarios.

The present invention relates to a pharmaceutical composition for preventing, ameliorating, or treating calcium pyrophosphate deposition disease and hypophosphatasia, comprising a benzotriazole derivative having inhibitory activity against ectonucleotide pyrophosphatase-phosphodiesterase.

This invention discloses an aliphatic TPU base film with high resistance to humid heat aging for invisible car wraps and its preparation method, belonging to the field of polymer functional film technology. The base film of this invention is synthesized from aliphatic diisocyanate and a compound polyol via a multi-stage prepolymerization method, wherein the compound polyol is composed of aliphatic polycarbonate diol and polytetrahydrofuran ether diol. The raw materials also contain a triple compound stabilizer system consisting of a carbodiimide anti-hydrolysis agent, a hindered phenolic antioxidant, and a benzotriazole UV absorber. The preparation process includes multi-stage feeding, precision filtration, and biaxial stretching heat setting. Through soft segment molecular structure design, synergistic protection of compound stabilizers, and precise process control, this invention enables the base film to maintain an elongation at break ≥85%, a tensile strength retention ≥80%, and a yellowing index ΔYI ≤1.03 after aging at 85℃ / 85%RH for 2000h, exhibiting both high resistance to humid heat aging and excellent optical and mechanical properties.