138 results about "Triphenyl phosphate" patented technology

The invention discloses a special gradient flame-retardant explosion suppressant for a high-energy-density ternary lithium battery, and relates to the technical field of safety protection of new energy batteries, the gradient flame-retardant explosion suppressant comprises the following components by mass: 30% of trimethyl phosphate, 16% of dimethyl methylphosphonate, 13% of triphenyl phosphate, 32% of a solvent, and 9% of a composite stabilizer; the compound stabilizer is prepared from 2, 6-di-tert-butyl-4-methylphenol, diisooctyl adipate and dibutyl sebacate according to the mass ratio of 2 to 1 to 1. The invention also provides a preparation method of the gradient flame-retardant explosion suppressant. Through formula optimization, especially adjustment of the composite stabilizer and reinforcement of a raw material pretreatment process, the explosion suppressant can be stably stored and operated within the range of-40 DEG C to 50 DEG C, the application limitation in extremely cold and high-temperature areas is solved, and the explosion suppressant is suitable for most of extreme temperature environments in the world.

The invention is applicable to the technical field of fuel cells, and provides a blending modified polybenzimidazole proton exchange membrane and a preparation method thereof, and the preparation method comprises the following steps: S1, preparing 4-methyl-N-toluenesulfonyl benzene sulfonamide; s2, preparing 4, 4 '-[imino bis (sulfonyl)] dibenzoic acid; s3, preparation of PSI: dissolving CBSI and a proper amount of anhydrous lithium chloride in a proper amount of a mixed solution of pyridine, triphenyl phosphite and pyrrolidone, adding diamino molecules after complete dissolution, heating and stirring the solution for 12 h, pouring the solution into methanol, filtering and collecting a product, washing with water, and drying to obtain the product PSI; and S4, preparing the PSI / OPBI blended membrane. The blended membrane prepared by the invention has excellent proton conductivity and good mechanical properties, and meets the performance requirements of the proton exchange membrane of the fuel cell; moreover, the raw materials are low in cost and easy to obtain, the synthesis conditions are mature, the yield is high, the feasibility is high, and the application prospect is wide.

The invention relates to the technical field of novel material chemical analysis, and discloses a triphenyl phosphate purity standard substance valuing method, which comprises the following steps: filtering, drying, dissolving and sterilizing a triphenyl phosphate sample; a triphenyl phosphate sample is comprehensively analyzed from different angles by comprehensively applying a GC-MS (Gas Chromatography-Mass Spectrometry) technology, an NMR (Nuclear Magnetic Resonance) technology, an infrared spectroscopy, a gas chromatography-flame ionization detector method, a Karl Fischer method and an inductively coupled plasma mass spectrometry, and finally, the purity value of the triphenyl phosphate purity standard substance is calculated by a mass balance method. The method provides a scientific and accurate technical means for quality control and standard formulation of the triphenyl phosphate product, has important practical application value for related industries in the fields of chemical engineering and material science, and is beneficial for improving the product quality and promoting industrial upgrading.

The application relates to the technical field of adhesives, and discloses a low-VOC flame-retardant double-faced adhesive for automobile interiors and a preparation method thereof. In the application, tetramethyl ethylene (epoxy propyl ammonium chloride) and bis (4-aminophenyl) -phenyl phosphate are reacted to obtain a cationic flame retardant, which is then added into a water-based acrylic resin emulsion to obtain a flame-retardant water-based acrylic resin adhesive and a flame-retardant double-faced adhesive. The cationic groups in the cationic flame retardant and the sodium carboxylate anions in the water-based acrylic resin form electrostatic force, the crosslinking degree between acrylic resin molecular chains is improved, the cohesion is increased, and the bonding performance and tensile shear strength of the adhesive are improved. The cationic flame retardant contains a triphenyl phosphate flame-retardant structure, has condensed-phase flame-retardant effect, improves the limiting oxygen index and the flame-retardant performance of the adhesive, and has good practical application in adhesives for new energy vehicles, double-faced adhesives and the like.

The invention discloses a triphenyl phosphate standard substance structure identification method, and relates to the technical field of fluorine-containing gas emission reduction, and the method comprises the following steps: obtaining a standardized analysis sample through fluorine-containing matrix separation, target substance enrichment and solvation treatment; a multi-dimensional chromatographic system and a heart cutting technology are adopted, and temperature programming optimization is combined to realize separation and purification of a sample; carrying out multi-dimensional structure analysis and confirmation by using gas chromatography-mass spectrometry, infrared spectroscopy and nuclear magnetic resonance technologies; a five-stage progressive identification algorithm is constructed, and systematic identification is realized by combining a confidence evaluation system and a fluorine-containing interference correction technology; establishing a structural integrity verification and purity quantitative evaluation standard, and outputting a standardized identification report; a method applicability database is established through multi-type fluorine-containing environment verification and process condition adaptability testing. The method effectively solves the problem of accurate identification of triphenyl phosphate in a complex fluorine-containing matrix, and realizes effective removal of interference components such as light gas, hydrofluorocarbon, perfluorinated compounds and the like.

The invention discloses a chemical-resistant PC / PBT alloy material and a preparation method thereof. The chemical-resistant PC / PBT alloy material is prepared from the following components in percentage by mass: 25 to 45 percent of polycarbonate, 20 to 35 percent of polybutylene terephthalate, 3 to 12 percent of maleic anhydride grafted ethylene-acrylate copolymer, 6 to 18 percent of sulfonated polytetrafluoroethylene and 4 to 19 percent of nano silicon dioxide coated silicone microspheres, the composite material is prepared from the following components in percentage by weight: 0.5 to 6 percent of triphenyl phosphate modified graphene oxide, 0.1 to 3.5 percent of bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite, 0.2 to 3.2 percent of vinyl trimethoxy silane and 0.5 to 2.5 percent of mesoporous silicon dioxide; the total mass percentage of the components is 100%. Through component fine SPTFE chain segment regulation and control, core-shell microsphere interface optimization, graphene intercalation modification and process dynamic crosslinking, graded mixing and ultraviolet radiation assistance, the breakthrough improvement of the chemical resistance of the PC / PBT alloy material is realized.

The invention discloses a polyamide material with an electromagnetic shielding function, and relates to the technical field of polymer composite materials. The invention discloses a polyamide material with an electromagnetic shielding function. The conductive composite material is prepared from the following raw materials in parts by weight: 40 to 60 parts of modified polyamide resin, 20 to 35 parts of modified conductive filler, 5 to 10 parts of maleic anhydride grafted polyamide, 0.5 to 2 parts of antioxidant, 1 to 3 parts of stearic acid, 3 to 8 parts of ethylene-vinyl acetate, 5 to 10 parts of triphenyl phosphate, 10 to 20 parts of aluminum nitride, 0.5 to 1 part of dodecyl dimethyl benzyl ammonium chloride and 1 to 3 parts of silane coupling agent KH-550 hydrolysate. And 30-60 parts of a 20% silane coupling agent KH-560 ethanol solution. The polyamide material has efficient electromagnetic shielding performance and excellent mechanical strength, high shielding effectiveness under low filler content is achieved through modification design, the melt index adapts to a low-pressure injection molding process, the damp-heat aging performance is stable, the problems of contradiction between shielding and processability, mechanical deterioration and the like of a traditional material are solved, and the polyamide material is suitable for electronic module packaging.

The invention discloses transparent resin as well as a preparation method and application thereof, and belongs to the technical field of polyester synthesis and application and development of polyester materials. The preparation method comprises the following steps: sequentially carrying out esterification reaction and polycondensation reaction on a mixture containing dibasic acid, dihydric alcohol, a catalyst and a stabilizer to obtain transparent resin; the binary acid is selected from at least one of terephthalic acid, 2, 5-furandicarboxylic acid and 2, 5-thiophenedicarboxylic acid; the dihydric alcohol is selected from at least two of ethylene glycol, 1, 4-butanediol, 1, 4-cyclohexanedimethanol, isosorbide and 2, 2, 4, 4-tetramethyl-1, 3-cyclobutanediol, and the dihydric alcohol is selected from at least two of ethylene glycol, 1, 4-butanediol, 1, 4-cyclohexanedimethanol, isosorbide and 2, 2, 4, 4-tetramethyl-1, 3-cyclobutanediol; the catalyst is selected from defect-state nano titanium dioxide; and the stabilizer is selected from triphenyl phosphate. By using the combination of the defect-state nano titanium dioxide catalyst and the triphenyl phosphate stabilizer, the polymerization reaction can be completed with high activity and low time consumption, and meanwhile, good transparency, excellent color, low ash content and excellent thermodynamic property of the product are kept.

The invention discloses a low-smoke halogen-free environment-friendly flame retardant, and relates to the technical field of flame retardants. The invention discloses a low-smoke halogen-free environment-friendly flame retardant. The graphene quantum dot composite material is prepared from the following raw materials in parts by weight: 8 to 12 parts of novel phosphorus-nitrogen heterocyclic compound, 5 to 9 parts of silane-terminated polyether, 2 to 5 parts of graphene quantum dot dispersion liquid, 6 to 10 parts of pentaerythritol diphosphate melamine salt, 5 to 8 parts of melamine cyanurate, 3 to 6 parts of zinc borate, 8 to 12 parts of magnesium hydroxide, 10 to 15 parts of ammonium polyphosphate, 3 to 7 parts of modified polycarbonate and 4 to 8 parts of aluminum diethylphosphinate. The invention relates to a high-temperature-resistant anti-aging coating which is prepared from the following components in parts by weight: 2-4 parts of an organic silicon elastomer, 0.2-0.5 part of triphenyl phosphate, 0.3-0.6 part of polyethylene wax, 0.3-0.8 part of a silane coupling agent KH-550 and 25-35 parts of deionized water. The low-smoke halogen-free environment-friendly flame retardant disclosed by the invention has remarkable advantages, adopts various environment-friendly raw materials, and is green, safe and free of halogen pollution. Through the unique formula design, all the components have a synergistic effect, the flame retardant property is excellent, and the fire risk can be effectively reduced. The added graphene quantum dots and other components also improve the thermal stability and mechanical properties of the product, and the application prospect is wide.

The invention discloses a novel solvent system-based low-temperature lithium battery electrolyte and a production process, the novel solvent system-based low-temperature lithium battery electrolyte comprises the following components: a carbonic ester solvent, a lithium salt combination and an additive, the carbonic ester solvent comprises ethylene carbonate, fluoroethylene carbonate, 1, 3-dioxolame and ethyl methyl carbonate, and the lithium salt combination comprises a lithium salt combination and an additive; the lithium salt combination is a mixed system of lithium bis (fluorosulfonyl) imide and lithium hexafluorophosphate, and the additives are vinylene carbonate, succinonitrile, lithium nitrate, triphenyl phosphate and aluminum trifluoromethanesulfonate; according to the low-temperature lithium battery electrolyte, the performance bottleneck of a traditional electrolyte at the temperature of-40 DEG C to-30 DEG C is broken through through multi-level cooperation of solvent-lithium salt-additive preparation of the low-temperature lithium battery electrolyte, the solvent maintains low viscosity while reducing the freezing point, and low-temperature high dissociation and interface stability are achieved through lithium salt compounding; the compatibility of the solid electrolyte interfacial film structure and current collection is finely regulated and controlled through the additive, and the application requirement in the extremely cold environment is met.

The invention belongs to the technical field of spinning auxiliaries for synthetic fiber processing, and particularly relates to polyethylene fiber FDY spinning oil as well as a preparation method and application thereof. The polyethylene fiber FDY spinning oil comprises a smoothing agent, a wetting agent, an emulsifier, an antistatic agent, a functional additive, deionized water and a wear-resistant agent, wherein the wear-resistant agent is one or more of phenyl dicarbazole phosphate, sulfurized isobutylene and triphenyl phosphate, and the mass percentage content of the wear-resistant agent in the spinning oil agent is not greater than 5%. By adding the wear-resistant agent with appropriate variety and appropriate dosage, not only can the wear resistance of the spinning oil be improved, but also the wettability and stability of the spinning oil can be improved through the synergistic effect of the components. When the spinning oil is used for polyethylene fiber FDY spinning production, the problems of broken ends, white powder and the like in the spinning production process can be obviously improved, and meanwhile it is guaranteed that a polyethylene fiber filament product obtained through FDY processing has excellent quality.

The invention relates to the technical field of photoresists, and particularly provides a photoresist and a preparation method thereof.The photoresist is prepared from phenolic resin, a diazonaphthoquinone photosensitizer, phenyl triphenyl phosphate and a solvent, and the stability and definition of an exposed pattern are optimized through the combination of a special polymer, a sensitizer and the solvent. In the embodiment, the sensitivity range of the formula is 55 mJ / cm < 2 > to 120 mJ / cm < 2 >, the resolution ratio reaches 0.05 mu m, and burrs are controlled to be 0.05 mu m or below. The technology can be widely applied to the fields of semiconductor chip manufacturing, microelectronic packaging, display devices and nanotechnology, meets the production requirements of high precision and high efficiency, and has good market prospects and commercial application value.

The invention belongs to the technical field of flame-retardant sponges, and discloses a carbonized flame-retardant chloroprene rubber sponge rubber plate with an open pore structure. Comprising 100 parts of chloroprene rubber, 4 parts of high-activity magnesium oxide, 5 parts of zinc oxide, 1 part of stearic acid, 0.5-1.5 parts of an accelerant DBTU, 1-1.5 parts of an accelerant ETU, 2 parts of an anti-aging agent, 3-5 parts of a foaming agent, 3-6 parts of a foaming promoter, 2-3 parts of PEG4000, 5-8 parts of a flame retardant TPP, 20-30 parts of zinc borate, 20-30 parts of antimony trioxide, 20-30 parts of a flame retardant, 10-15 parts of precipitated white carbon black and 15-20 parts of dibutyl phthalate. The foaming agent and the foaming aid are composed of a foaming agent H, urea ester and diethylene glycol. The advantages of chloroprene rubber are fused, flame-retardant auxiliaries including triphenyl phosphate, antimony trioxide, zinc borate, tris (2, 3-dibromopropyl) isocyanuric acid ester and triallyl isocyanuric acid ester are added, and the multiple auxiliaries have a synergistic effect to form a main flame-retardant action mechanism including heat absorption, dehydration, air isolation and rapid charring.

The invention relates to the field of lubricating oil, in particular to a compressor oil composition which is prepared from the following components in parts by weight: 0.005 to 0.2 part of an anti-rust agent, 0.05 to 1 part of an extreme pressure anti-wear agent, 0.01 to 0.5 part of a friction reducing agent, 3 to 8 parts of synthetic ester, 0.01 to 1 part of an antioxidant, 0.001 to 0.1 part of an anti-foaming agent and 90 to 97 parts of base oil. The anti-friction agent is a trimethylolpropane-triacid ester derivative, the anti-rust agent is formed by mixing an alkenyl succinic acid half-ester derivative and a carboxyl imidazoline derivative, and the anti-wear reagent at extreme pressure is formed by mixing triphenyl phosphate and an alkyl thiophosphate derivative. The antioxidant is formed by mixing any two of alkyl diphenylamine, alkyl phenyl-alpha-naphthylamine and alkyl hindered phenol. The invention further relates to a preparation method of the compressor oil composition. The compressor oil composition provided by the invention has excellent washing resistance and rust resistance.

This invention provides an electrolyte based on propylene carbonate, comprising propylene carbonate, triphenyl phosphate, and difluoroethylene carbonate, with a mass ratio of difluoroethylene carbonate:triphenyl phosphate:propylene carbonate = 4.5–6:0.1–1:15–21; the mass percentage of propylene carbonate in the electrolyte is not less than 10%. In this design, PC, TPP, and DFEC are combined to participate in the composition of the electrolyte. The three components work synergistically to weaken the heat generated by the oxygen release reaction at the positive electrode and the heat generated by side reactions, and to reduce the flammable gases generated during the reduction at the negative electrode. Therefore, the electrolyte provided by this design can effectively reduce the heat generated by the reaction and the heat of combustion in the secondary battery, which helps prevent thermal runaway and provides a certain flame-retardant effect during the operation of the secondary battery, thus improving the safety performance of the secondary battery.

The application relates to the technical field of optical films, in particular to a high-haze high-temperature-resistant diffusion film and a preparation method thereof. The high-haze high-temperature-resistant diffusion film comprises a transparent base film and a diffusion layer coated on the surface of the transparent base film by a microgravure roll, wherein the diffusion layer comprises the following preparation raw materials in parts by mass: 60-70 parts of an acrylic resin oligomer, 20-30 parts of an acrylic resin monomer, 2-3 parts of triphenyl phosphate, 6-8 parts of a scratch-resistant agent, 3-5 parts of a photoinitiator and 6-9 parts of a diluent, wherein the scratch-resistant agent is modified silicon dioxide. Through the dual innovation of material chemical modification (such as SiO2 surface treatment and resin molecular design) and process formula optimization (such as photoinitiating system and diluent ratio), the technical bottleneck of the traditional diffusion film is solved, and problems such as easy aging under a high-temperature and high-humidity environment, insufficient scratch resistance and poor light uniformity are solved.

The present application discloses a secondary battery, a method for preparing the secondary battery, a battery module, a battery pack and an electric device. The secondary battery includes an electrolyte and a positive electrode sheet, wherein the positive electrode sheet includes a molecular formula of Li a Ni b Co c M1 d M2 e O f A g The layered material, M1, M2, A, a, b, c, d, e, f, and g are respectively as defined herein, the electrolyte includes a compound containing a phosphorus-oxygen double bond, and the compound containing a phosphorus-oxygen double bond includes one or more of lithium difluorophosphate, diethyl (2-cyanoethyl) phosphonate, tripropyl phosphoric anhydride, diethyl acetyl phosphate, and triphenyl phosphate. Based on the total mass of the electrolyte, the mass percentage of the compound containing a phosphorus-oxygen double bond is x% and 0<x≤1.0, and the secondary battery satisfies c+x / 10≥0.10. The present application can increase the lithium ion diffusion rate of low-cobalt or cobalt-free positive electrode active materials and improve the cycle performance of secondary batteries.

The application discloses a fluorine-free flame-retardant two-phase cooling liquid and a preparation method and application thereof, the cooling liquid comprises the following components in parts by mass: a base phase change agent 75-85 parts, a phase change regulator 3-15 parts, a flame-retardant stabilizer 4-8 parts and an interface modifier 2-4 parts; wherein the base phase change agent is a binary eutectic mixture formed by decanoic acid and lauric acid, the phase change regulator is a compound of isoamyl alcohol and propylene glycol, and the flame-retardant stabilizer is a compound of triphenyl phosphate and magnesium hydroxide. The cooling liquid is completely fluorine-free, and through the synergistic effect of the components, the cooling liquid has the comprehensive excellent performances of adjustable phase change temperature, high phase change latent heat, high flame-retardant grade, long-term operation stability, good material compatibility and the like. The cooling liquid is particularly suitable for an immersed liquid cooling system integrated with an intelligent control algorithm, and can be widely applied to efficient and safe heat dissipation of extreme heat load scenes such as super-high-power AI servers, energy storage batteries and high-power semiconductors.

The application relates to the technical field of organic synthesis, and discloses a continuous flow preparation method of triphenyl phosphate based on ionic liquid; (1) phosphorus oxychloride is dissolved in ionic liquid to obtain feed liquid 1, phenol and an acid binding agent are dissolved in ionic liquid to obtain feed liquid 2, the feed liquid 1 and the feed liquid 2 are pumped into a micro-channel reactor to perform esterification reaction, and reaction liquid is collected in a liquid storage tank to obtain a triphenyl phosphate crude product solution; (2) after the crude product solution obtained in the step (1) is sequentially subjected to filtration, alkali washing, acid washing and reduced-pressure drying, a triphenyl phosphate pure product is obtained. The method does not need to use an organic solvent, directly performs reaction in ionic liquid, is beneficial to separation of a product from a reaction system, can be repeatedly used, and reduces cost.

The invention discloses an antioxidant emamectin benzoate missible oil pesticide and a production process thereof. Comprising 1 to 5 parts of emamectin benzoate, 1 to 3 parts of an antioxidant, 5 to 10 parts of an emulsifier, 60 to 80 parts of a solvent, 5 to 10 parts of a cosolvent and 50 to 80 parts of water, wherein the antioxidant comprises 0.5 to 1.5 parts of butylated hydroxytoluene and 0.5 to 1.5 parts of triphenyl phosphate; the solvent comprises 30 to 60 parts of cyclohexanone and 10 to 40 parts of N-methyl pyrrolidone; calcium dodecyl benzene sulfonate and castor oil polyoxyethylene ether are compounded according to the proportion of 1: 1.5 to serve as an emulsifying agent, a stable interfacial film can be formed between an oil phase and a water phase, di-tert-butyl-p-cresol and triphenyl phosphite added in the product synergistically exert the anti-oxidation effect, di-tert-butyl-p-cresol can provide hydrogen atoms, and the anti-oxidation effect is good. And the triphenyl phosphite can decompose peroxides generated in the oxidation process of the emamectin benzoate, so that the problem of drug effect oxidation reduction caused by storage is reduced.

The invention discloses an anti-electromagnetic interference flame-retardant flexible control cable, which belongs to the technical field of communication equipment and is obtained by co-extruding zinc borate nanosheet composite porous vermiculite, a porous carbon / nanosheet compound, polyvinyl chloride, di-iso-decylphthalate, triphenyl phosphate and a calcium-zinc stabilizer serving as cable materials of an insulating layer in the cable. Micron-sized pores are formed between layers of acid-activated modified expanded vermiculite, a reaction monomer zinc nitrate hexahydrate is impregnated between the layers of the vermiculite, then the zinc nitrate hexahydrate serves as a zinc source, sodium tetraborate decahydrate serves as a boron source, a double decomposition reaction is carried out under the hydrothermal condition, and the zinc borate nanosheets are generated. Zinc borate nanosheets are directionally grown between layers and on the surface of vermiculite, and the zinc borate nanosheets are effectively fixed, so that the flame-retardant effect is stably exerted.

The invention discloses a high-heat-resistance bottle-grade polyester chip and a preparation method thereof, and belongs to the technical field of polyester materials. The invention aims to solve the problems of reduced processing adaptability, degraded transparency and insufficient dimensional stability caused by improvement of heat resistance in the prior art. The polyester chip is prepared by taking purified terephthalic acid and ethylene glycol as main monomers, introducing modified phosphate and citric acid, and carrying out multi-stage esterification-polycondensation and solid-phase tackifying, wherein the modified phosphate is chemically bonded with cyclodextrin through triphenyl phosphate and KH-550 to form a structure with thermal stability, interfacial compatibility and migration inhibition functions. According to the scheme, high transparency, good melt flowability and bottle blowing efficiency are kept, the vicat softening point and crystallization controllability are remarkably improved, and collaborative optimization of high heat resistance and comprehensive processing performance is achieved.

The invention discloses a preparation method of a flame-retardant electrolyte-containing electrolyte for a lithium ion battery, a commercial electrolyte is taken as a core, and a phosphorus flame retardant is added, so that the safety and reliability of the lithium ion battery in the use process are improved. The flame-retardant electrolyte comprises the following raw materials: triphenyl phosphate, triethyl phosphate and a commercial electrolyte. The preparation method comprises the following steps: respectively adding phosphorus flame retardants triphenyl phosphate and trimethyl phosphate into a commercial electrolyte according to different proportions, adding the composite electrolyte material to prepare a complete lithium ion battery, and carrying out electrochemical performance detection and safety performance detection on the lithium ion battery. According to the flame-retardant electrolyte provided by the invention, the flammability of the electrolyte of the lithium ion battery is reduced, the safety performance of the lithium ion battery is improved, and the flame-retardant electrolyte is suitable for the production environment of most lithium ion batteries.

The invention provides a degradable environment-friendly suction nozzle based on a PLA / PBS composite material and a preparation method of the degradable environment-friendly suction nozzle. The suction nozzle is prepared from the following raw materials: polylactic acid, poly (butylene succinate), a flexible modification auxiliary agent and a hydrolysis-resistant auxiliary agent, the hydrolysis-resistant auxiliary agent is selected from a compound of an organic tin stabilizer, a silane coupling agent, triphenyl phosphate and diethyltin dilaurate, and is used for solving the problems of insufficient compatibility, heat resistance, durability, mechanical property and sealing property of the PLA / PBS composite material; the degradable environment-friendly suction nozzle can be safely used for a long time in a high-temperature and high-humidity environment.

The invention belongs to the technical field of high polymer materials. The invention relates to plastic, in particular to flame-retardant modified plastic and a preparation method thereof. The product provided by the invention comprises the following raw materials in parts by weight: 80-85 parts of homo-polypropylene resin, 6-8 parts of polyvinylidene fluoride, 2-4 parts of nano aluminum fluoride, 2-3 parts of an organic flame retardant and 0.3-0.5 part of an antioxidant. The mass of the maleic anhydride grafted polypropylene is 8-10% of that of the polyvinylidene fluoride; wherein the organic flame retardant is selected from any one of triphenyl phosphate, resorcinol bis (diphenyl phosphate) and methylated melamine resin; the surface of the nano aluminum fluoride is coated with a silane coupling agent, when the silane coupling agent is coated, the dosage of the silane coupling agent is 0.6-0.8% of the mass of the nano aluminum fluoride, and the specific surface area of the nano aluminum fluoride is 45-50 m < 2 > / g; the specific surface area is obtained by testing according to a BET nitrogen adsorption method.

The application discloses a preparation method of isopropylated triphenyl phosphate with low phosphorus acid triphenyl ester content, which comprises the following steps: firstly, isopropyl phenol, phenol, phosphorus oxychloride and a catalyst are put into a reactor, and isopropylated triphenyl phosphate crude product is obtained after reaction; secondly, the isopropylated triphenyl phosphate crude product is subjected to vacuum distillation, and the vacuum distillation is stopped when the acid value of the isopropylated triphenyl phosphate crude product is less than or equal to 3 mgKOH / g; finally, the isopropylated triphenyl phosphate crude product after vacuum distillation is subjected to molecular distillation treatment, and isopropylated triphenyl phosphate product is obtained. The preparation method is a physical purification process, has mild conditions and simple operation, does not introduce new impurities, and does not produce a large amount of 'three wastes', so that the problem of a large amount of phosphorus acid ester organic wastewater caused by alkali washing water washing in a traditional process can be effectively avoided, and environmental pollution in the production process is greatly reduced.

The application discloses a preparation method of a flame retardant triphenyl phosphate. o The application is characterized in that the reaction is directly carried out in one step without adding alkali and organic solvent under stirring for 1-9 hours, and the target product is generated. The synthesis process has the characteristics of simple operation, easy process control, high product yield, avoidance of use of a large amount of acid-binding agent, small catalyst dosage, good recycling and utilization, etc., and therefore has high industrial application value and good application prospect.

The present application relates to the technical field of hydraulic oil, and discloses a fire-retardant hydraulic oil, wherein the hydraulic oil comprises base oil, antioxidant, copper corrosion inhibitor, rust inhibitor, antifoaming agent, demulsifier and hydrolysis inhibitor; wherein the base oil is selected from at least one of mixture A, mixture B and mixture C; wherein the mixture A is selected from a compound as shown in general formula (I): wherein X is selected from any one of, and the mixture B and the mixture C both comprise (4-tert-butylphenyl) diphenyl phosphate, bis(4-tert-butylphenyl) phenyl phosphate, tris(4-tert-butylphenyl) phosphate and triphenyl phosphate. The hydraulic oil has excellent antioxidant, corrosion / rust resistance, emulsion resistance, hydrolysis resistance, antifoaming performance and accelerated aging resistance, slows down the deterioration speed of triaryl phosphate fire-retardant hydraulic oil, and prolongs the service life of the fire-retardant oil.

The present invention relates to the technical field of polystyrene, and discloses a preparation method of an impact-resistant polystyrene extruded sheet material, wherein 65-80 parts by weight of polystyrene resin, 20-35 parts by weight of wood flour, 5-15 parts by weight of modified SBS, 1.2-1.7 parts by weight of auxiliary agent, 2-4 parts by weight of flame retardant, etc. are mixed, extruded, and foamed to obtain an impact-resistant polystyrene extruded sheet material. The side chain of the modified SBS contains a carboxyl group, which can form a hydrogen bond interaction with the hydroxyl group on the surface of the wood flour, thereby improving the compatibility between the wood flour and the polystyrene resin, and is conducive to improving the mechanical properties of the extruded sheet material, showing higher impact strength and flexural strength. The modified SBS side chain introduces a triazole structure, forms a nitrogen-phosphorus flame retardant with triphenyl phosphate, and improves the limiting oxygen index and flame retardant properties of the extruded sheet material.

The application discloses a kind of side chain containing photoelectric group polyaryletherketone polymer and its preparation method, wherein the method comprises: the side chain containing carboxyl polyaryletherketone, amino monomer, calcium chloride, triphenyl phosphate, pyridine are mixed in organic solvent, in protective atmosphere, sufficient reaction is stirred and heated;The reaction is added to methanol to terminate reaction, the product is washed with hot water and methanol multiple times, vacuum dried until mass is unchanged, to obtain the side chain containing photoelectric group polyaryletherketone polymer.The polyaryletherketone synthesized in the application not only has typical photoelectric activity, but also simple synthesis, has good solubility.Polyaryletherketone polymer preparation uses amino monomer phosphoracylation and is grafted on the side chain containing carboxyl polyaryletherketone, and has higher reactivity, higher grafting rate, is easy to commercial production, and has practical value;And polyaryletherketone polymer material not only has good photoelectric property, also has polyaryletherketone material good thermal stability, solubility, mechanical property etc.