95 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 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 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 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 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 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 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 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 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.

This application discloses a method for synthesizing polyethylene (2,5-furandicarboxylate), comprising the following steps: mixing 2,5-furandicarboxylic acid and ethylene glycol in a molar ratio of 1:2, adding zinc acetate as an esterification catalyst, and carrying out an esterification reaction at 195°C and a pressure not exceeding 0.3 MPa until the water content reaches 98% of the theoretical amount; adding antimony trioxide as a polymerization catalyst and triphenyl phosphate as a stabilizer to the esterification product, and reacting for 1 hour at a low vacuum of 800-1000 Pa and a temperature of 215°C to carry out pre-condensation; and carrying out a condensation reaction of the pre-condensation product at a high vacuum of less than 200 Pa and a temperature of 235°C until the torque reaches 4.2 A / 65 rpm to obtain polyethylene (2,5-furandicarboxylate). By reducing the amount of antimony trioxide to 0.045% and triphenyl phosphate to 0.1%, the amount of stabilizer was reduced, releasing catalyst activity. This shortened the polymerization time from 300 min to 230 min, reduced the color value b from 12-13 to 10, and improved the intrinsic viscosity to 0.507~0.517 dL / g. This achieved a reduction in production costs and heavy metal residues while improving the product's color.

The invention relates to the technical field of power cables, and provides a corrosion-resistant low-voltage power cable and a preparation method thereof. A corrosion-resistant low-voltage power cable comprises a conductor, an insulating layer and a sheath layer which are sequentially arranged from inside to outside, and the sheath layer is prepared from, by weight, 100 parts of polyvinyl chloride, 8-10 parts of chlorinated polyethylene, 20-25 parts of plasticizer, 3-5 parts of stabilizer, 15-20 parts of filler, 1-1.5 parts of antioxidant and 1-1.5 parts of lubricant. The plasticizer is prepared from an aromatic carboxylic ester compound, triphenyl phosphate and polypropylene glycol adipate according to the mass ratio of (4 to 5) to 1 to 3. According to the technical scheme, the problem of insufficient corrosion resistance of the low-voltage power cable in the prior art is solved.

This invention provides a circular polarizing eye-protecting AB adhesive, relating to the field of adhesive production technology. This circular polarizing eye-protecting AB adhesive is prepared by mixing and stirring component A and component B. Component A consists of the following raw materials: epoxy resin composite; modified epoxy acrylate prepolymer; cholesteric liquid crystal-epoxy hybrid microspheres; fluorescent dye; anti-aging agent; and acid-free optical grade additives. Component B consists of the following raw materials: amine curing agent; dihedral naphthalenedicarboximide derivative containing amine groups; aminosilane coupling agent; polyetheramine accelerator; and triphenyl phosphite anti-yellowing agent. This invention can be widely applied to the protection and optical optimization of various screens such as smartphones, tablets, automotive displays, and wearable devices, and has significant practical value and industrialization prospects.

The invention relates to anti-yellowing regenerated spandex and a preparation method thereof, the anti-yellowing regenerated spandex comprises recycled spandex, a chain extender and a chelating agent, the recycled spandex comprises one or more of spandex waste silk, spandex waste or spandex components of waste fabrics; the chain extender comprises a bifunctional epoxy compound; the chelating agent is prepared from one or more of triphenyl phosphate, tripolyphosphate, hexametaphosphate, amino trimethylene phosphonate and hydroxyethylidene diphosphonate. Recycled spandex is adopted as a main raw material, and yellowing of a product in the storage and use process is remarkably delayed on the basis of guaranteeing the comprehensive performance of the fiber through repolymerization and addition of specific functional auxiliaries.

The invention relates to the technical field of heat stabilizers, and particularly discloses a citric acid compound heat stabilizer and a preparation method and application thereof. The citric acid compound heat stabilizer comprises zinc citrate, and further comprises one or more of calcium stearate, epoxidized soybean oil, stearoylbenzoylmethane and triphenyl phosphate. The citric acid compound heat stabilizer disclosed by the invention is applied to preparation of a polyvinyl chloride material, and has the advantages of excellent heat stabilization effect and environmental friendliness.

The invention discloses a fluoride-free flame-retardant two-phase cooling liquid as well as a preparation method and application thereof, and the cooling liquid comprises the following components in parts by mass: 75-85 parts of a basic phase change agent, 3-15 parts of a phase change regulator, 4-8 parts of a flame-retardant stabilizer and 2-4 parts of an interface modifier, wherein the basic phase change agent is a binary eutectic mixture formed by capric 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 provided by the invention is completely fluorine-free, and through the synergistic effect of all the components, the comprehensive excellent performances of adjustable phase change temperature, high phase change latent heat, high flame retardant rating, stable long-term operation, good material compatibility and the like are realized. The cooling liquid is particularly suitable for an immersed liquid cooling system integrated with an intelligent regulation and control algorithm, and can be widely applied to efficient and safe heat dissipation of extreme thermal load scenes such as an ultrahigh-power AI server, an energy storage battery and a high-power semiconductor.

The invention belongs to the technical field of composite materials, and provides a flame-retardant master batch, a preparation method thereof and an automatic industrial main cable. The preparation method comprises the following steps: firstly, reacting phosphonitrilic chloride trimer with phenol and ethidene diamine to synthesize a phosphazene flame retardant with excellent flame retardant property, and modifying through KH-550 to improve the compatibility of the phosphazene flame retardant with a matrix; secondly, boric acid and triphenyl phosphate are compounded in a PHPS matrix, ceramic body powder (MgO, Al2O3 and ZnO) subjected to high-temperature calcination and interface modification of KH-560 are combined, and ceramic body powder with excellent high-temperature ceramic forming performance is prepared; and then melting and mixing the polyethylene matrix with the phosphazene flame retardant, the ceramic body powder and inorganic fillers (magnesium hydroxide and aluminum hydroxide), and assisting with auxiliaries such as a silane coupling agent and an antioxidant to prepare the flame-retardant master batch which is used for a main cable for automatic industry.

The invention discloses an organophosphate hydrolase mutant and application of the organophosphate hydrolase mutant in degradation of triphenyl phosphate. The mutant is obtained by mutating valine at the 275th site of an amino acid sequence shown in SEQ ID NO.2 into aspartic acid V275D, leucine at the 139th site of the amino acid sequence shown in SEQ ID NO.2 into phenylalanine L139F and proline at the 256th site of the amino acid sequence shown in SEQ ID NO.2 into serine P256S. The invention also relates to a gene for coding the mutant, a recombinant vector, a recombinant genetically engineered bacterium and application thereof. Experiments show that the mutant has efficient degradation capacity on triphenyl phosphate, can degrade triphenyl phosphate in a water phase at normal temperature, and has high degradation efficiency and good application prospects.

The invention belongs to the technical field of new energy batteries, and particularly relates to a lithium ion battery. The lithium ion battery comprises a positive electrode, a negative electrode, a diaphragm and a non-aqueous electrolyte, the anode and the cathode respectively comprise an anode current collector and a cathode current collector; the positive current collector is an aluminum foil or a composite current collector, the negative current collector is a copper foil or a composite current collector, and at least one of the positive current collector and the negative current collector is a composite current collector; the non-aqueous electrolyte contains triphenyl phosphate and a first additive, and the first additive comprises at least one of tris (trimethylsilane) phosphate, tris (trimethylsilane) borate or tris (trimethylsilane) phosphite; when the positive current collector is a composite current collector and / or the negative current collector is a composite current collector, the lithium ion battery meets the following conditions: (a + c) * b * d is more than or equal to 1 and less than or equal to 500; 0.5 < = a < = 2, 20 < = b < = 800, 0.5 < = c < = 2, and 0.01 < = d < = 1. The lithium ion battery has the advantages of high energy density, low impedance increase and excellent cycle performance.