81 results about "Metal deactivator" patented technology

The embodiment of the application provides an insulating oil, a preparation method thereof and a power transformation equipment. The insulating oil comprises a composite vegetable ester base oil, a synthetic ester additive, a compounded antioxidant and a metal deactivator. The insulating oil has good electrical performance, oxidation stability and environmental protection performance, and can ensure safe and stable operation of the power transformation equipment.

The invention provides a cylinder oil composition suitable for a methanol fuel ship and a preparation method of the cylinder oil composition, and particularly relates to the technical field of lubricating oil. The cylinder oil composition suitable for the methanol fuel ship comprises the following components in percentage by mass: 5.0%-20% of a clearing agent, 1.0%-8.0% of an ashless dispersant, 0.5%-1.5% of a composite antioxidant, 0.5%-3% of an anti-wear agent, 0.01%-1% of a metal deactivator and the balance of base oil, the detergent is composed of high-base-number synthetic calcium sulfonate, low-base-number synthetic calcium sulfonate, high-base-number calcium boride sulfonate and high-base-number sulfurized calcium alkyl phenolate. According to the cylinder oil composition for the methanol fuel ship, the scheme of the purification dispersant is optimized, and a plurality of components such as the metal deactivator are introduced for combination, so that the obtained cylinder oil composition for the methanol fuel ship improves the wear resistance and the corrosion resistance of an oil product when the oil product is polluted by methanol and formic acid, and can meet the performance requirements when a marine two-stroke engine uses methanol fuel.

The application provides a photovoltaic special dry vacuum pump lubricating oil and a photovoltaic special dry vacuum pump. The photovoltaic special dry vacuum pump lubricating oil comprises the following components in percentage by mass: 0.5-4% of an ionic liquid, 0.2-2% of an anti-wear agent, 0.01-0.5% of a metal deactivator, and the balance of base oil. The photovoltaic special dry vacuum pump lubricating oil has excellent corrosion resistance, rust resistance and extreme pressure and wear resistance.

The invention relates to the field of engine oil, in particular to long-life high-efficiency dynamic equilibrium air compressor oil and a preparation method thereof. The invention relates to long-life high-efficiency dynamic equilibrium air compressor oil, which is prepared from the following raw materials in parts by mass: 90 to 120 parts of base oil system, 1 to 2 parts of antioxidant, 2 to 6 parts of extreme pressure anti-wear agent, 0.3 to 0.6 part of metal deactivator, 0.5 to 1.5 parts of anti-rusting agent, 0.2 to 0.3 part of defoaming agent, 0.5 to 1.2 parts of purification dispersant and 3 to 8 parts of functional auxiliary agent. The finally prepared air compressor oil not only has the effects of long service life, high energy efficiency and the like, but also can keep comprehensive properties such as oxidation resistance, detergency and anti-foaming property at the same time so as to meet the increasing application requirements of air compressors.

The invention belongs to the technical field of diesel additives, and particularly provides a low-sulfur ash-free functional composite diesel anti-wear agent and a preparation method thereof. The functional composite diesel oil anti-wear agent comprises the following raw materials: 100 parts of soybean oleic acid, 4-8 parts of an emulsifier, 1-3 parts of an electrolyte, 0.5-1.5 parts of a lubricant, 0.2-0.5 part of a metal deactivator, 1-2 parts of a functional auxiliary agent and 200-300 parts of deionized water. The composite diesel oil anti-wear agent is excellent in anti-wear performance, has the functions of oxidation resistance, corrosion resistance and the like, and meets the higher requirements of modern low-sulfur diesel oil on the comprehensive performance of the additive.

The invention belongs to the field of lubricating oil, and particularly relates to a multi-gear gearbox lubricating oil composition as well as a preparation method and application thereof. The multi-gear gearbox lubricating oil composition is prepared from the following raw materials in percentage by mass: 2.0 percent to 4.5 percent of a viscosity index improver, 0.01 percent to 0.08 percent of a clearing agent, 4.5 percent to 7.0 percent of a dispersing agent, 0.3 percent to 1.0 percent of an anti-wear reagent at extreme pressure, 0.05 percent to 0.3 percent of an anti-rust agent, 0.3 percent to 1.5 percent of an antioxidant, 0.01 percent to 0.2 percent of a metal deactivator, 0.3 percent to 1.5 percent of a cross-linking agent, 0.01 percent to 0.03 percent of an anti-foaming agent and the balance of base oil. The cross-linking agent of the composition adopts trimethylolpropane tri (1H-imidazole-1-acetate), so that the wear resistance of an oil product is effectively enhanced, the friction coefficient is reduced, and the friction durability is improved, thereby achieving the effects of prolonging the endurance mileage and prolonging the service life of hardware.

The invention discloses a groove edge additive of universal rolling oil and a preparation method of the groove edge additive, and belongs to the technical field of groove edge additives, the groove edge additive of the universal rolling oil is prepared from the following raw materials in parts by weight: base oil, organic amine, an oiliness agent, a dispersing agent, an antirust agent and a metal deactivator; the organic amine is a mixture of polymer type polyimine organic amine and aliphatic micromolecule polyamine. The weight part ratio of the polymer type polyimine organic amine to the aliphatic micromolecule polyamine is 1: (1-2). The high-molecular-weight polymer type polyimine organic amine and the low-molecular-weight aliphatic micromolecular polyamine are selected to be compounded for use to neutralize iron soap generated in the rolling oil, so that the neutralization efficiency of the iron soap can be enhanced, the decolorization effect of the rolling oil can be improved, the universality of the groove edge additive can be improved, and the service life of the groove edge additive can be prolonged. Therefore, different types of rolling oil can be adapted.

The invention discloses oil gas lubricating oil applied to a cold rolling mill, which belongs to the technical field of lubricating oil and comprises the following components in percentage by weight: 45%-52% of synthetic ester, 4%-8% of an emulsifier compound, 1.5%-4% of a phosphide anti-wear agent compound, 7.5%-15% of a sulfide extreme pressure antifriction agent compound, 0.75%-1.25% of a metal deactivator, 0.25%-0.75% of an antirust agent and 20%-40% of mineral base oil. The invention also discloses a preparation method of the oil gas lubricating oil applied to the cold rolling mill, compared with the prior art, the oil gas lubricating oil has excellent lubricity and top-level thermal stability and oxidation stability, and meanwhile, the selected synthetic ester has the characteristics of being harmless to human bodies and environment-friendly, and has good biodegradability and low toxicity.

The present invention relates to a mixed virgin polyethylene / recycled polyethylene composition having a melt flow rate MFR2 (ISO 1133:2022, 2.16 kg, 190 °C) in the range of from 0.10 to less than 1.00 g / 10 min and a density (ISO 1183-1:2019) in the range of from 946 to 980 kg / m3, the composition comprising A) a recycled polyethylene fraction (rPE), wherein the recycled polyethylene fraction is present in an amount of 40 wt.-% or more, based on the total weight of the mixed virgin polyethylene / recycled polyethylene composition, and wherein the recycled polyethylene fraction (rPE) has a content of titanium (Ti) of from 500 to 5,000 ppm, determined by X-ray fluorescence (XRF) spectroscopy as described herein and based on the total weight of the recycled polyethylene fraction (rPE), B) a virgin polyethylene fraction comprising at least a first virgin polyethylene component (vPE1), C) at least 0.3 wt.-% of one or more pigment(s), preferably carbon black (CB), and D) one or more metal deactivator(s), wherein the mixed virgin polyethylene / recycled polyethylene composition has, as determined by quantitative 13C{1H} NMR spectroscopy as described herein: a) a total amount of ethylene units (C2 units) of at least 90.0 wt.-%, and b) a total amount of continuous propylene units (C3 units) in the range of from 0.1 to 5.0 wt.-%. The present invention further relates to a method of preparing the mixed virgin polyethylene / recycled polyethylene composition, an article comprising the same and the use of the mixed virgin polyethylene / recycled polyethylene composition for wire and / or cable jacketing applications.

The invention discloses an environment-friendly metal deactivator and a preparation method thereof, and relates to the field of petrochemical engineering, and the environment-friendly metal deactivator comprises the following raw materials in parts by weight: 10-15 parts of modified nano magnesium oxide, 10-12 parts of citric acid, 20-25 parts of calcium nitrate and 350-450 parts of water. The modified nano magnesium oxide has strong hydrothermal stability, strong affinity with an FCC catalyst, strong capability of passivating heavy metals nickel and vanadium, effective inhibition of FCC catalyst poisoning, and high environmental protection property.

The invention belongs to the technical field of lubricating oil and lubricating oil additives, and particularly relates to a mining machinery gear lubricating oil composition as well as a preparation method and application thereof. The lubricating oil composition is prepared from the following raw materials in percentage by mass: 0.1%-1% of a sulfur-containing extreme pressure agent, 0.3%-2.5% of a phosphorus-containing anti-wear agent, 0.2%-1.5% of an antioxidant, 0.03%-0.1% of a metal deactivator, 0.02%-0.08% of an anti-rust agent, 0.02%-0.05% of a composite anti-foaming agent, 0.003%-0.01% of a demulsifier, 0.01%-0.1% of a pour point depressant and the balance of base oil. The special gear oil composition for mines has outstanding high foam inhibition characteristic, excellent extreme pressure wear resistance and corrosion resistance, and excellent low-temperature fluidity and viscosity-temperature characteristic.

The invention relates to the technical field of preparation of refrigerating machine oil compositions, in particular to a mineral oil type refrigerating machine oil composition for R290 refrigerants and a preparation method of the mineral oil type refrigerating machine oil composition, the mineral oil type refrigerating machine oil composition comprises base oil and additives, the base oil is composed of naphthenic base mineral oil and paraffin base mineral oil, and the additives are one or more of an anti-wear agent, an antioxidant, a metal deactivator and an anti-foaming agent. According to the mineral oil type refrigerating machine oil composition for the R290 refrigerant, the base oil composed of the cycloalkyl mineral oil and the paraffin-based mineral oil which are produced through high-pressure hydrogenation is mainly used as the main raw material, the anti-wear agent, the antioxidant, the metal deactivator and the anti-foaming agent are compounded, the performance of the mineral oil type refrigerating machine oil composition for the R290 refrigerant is greatly improved, and the mineral oil type refrigerating machine oil composition for the R290 refrigerant is moderate in viscosity and high in stability. The low-temperature performance is good, and the lubricating property, the wear resistance and the oxidation stability are better.

The invention relates to the field of petroleum refining industry, and particularly discloses a high-efficiency water-soluble corrosion inhibitor for an oil refining device and a preparation method of the high-efficiency water-soluble corrosion inhibitor for the oil refining device, and the corrosion inhibitor is prepared from the following raw materials in parts by weight: 20-40 parts of an organic amine compound; 15 to 30 parts of organic acid; 5 to 15 parts of a surfactant; 30 to 50 parts of a solvent; 1-5 parts of a metal deactivator; 0.5-3 parts of a dispersing aid; according to the invention, the specifically prepared intermediate A is introduced to carry out molecular modification on the traditional amine salt, so that the film-forming property and adhesion firmness of the corrosion inhibitor are qualitatively improved; the intermediate A serves as a functional polymer and can be subjected to graft copolymerization with amine salt, and a layer of compact, stable and hydrophobic protective film is formed on the metal surface. The film can more effectively prevent a corrosive medium from being in contact with a metal matrix, so that the corrosion inhibition efficiency is improved from about 70% of common amine salt to 90% or above, and efficient protection is achieved.

The invention belongs to the technical field of lubricating oil, and particularly relates to a lubricating oil composition and a preparation method thereof. The lubricating oil composition is prepared from the following raw materials in percentage by weight: 4 to 9 weight percent of extreme pressure anti-wear agent, 2 to 5 weight percent of antioxidant, 0.8 to 1.5 weight percent of anticoagulant, 0.2 to 0.5 weight percent of metal deactivator and the balance of base oil, the anti-wear reagent at extreme pressure is prepared by the following preparation processes: adding black scale alkene and nano cerium hydroxide into acetone, carrying out electrostatic self-assembly under an ultrasonic condition, centrifuging and drying to obtain the anti-wear reagent at extreme pressure. The lubricating oil composition disclosed by the invention has good wear resistance and excellent oxidation resistance.

The application discloses a long-life special oil for new energy vehicle reduction gearbox and a preparation method thereof, and belongs to the technical field of lubricating oil. The special oil for the reduction gearbox comprises the following components in mass percentage: a metal deactivator 1.5-4%, an antioxidant 3-5%, an extreme pressure anti-wear agent 3-5%, a cleaning dispersant 4-7%, a pour point depressant 0.3-1%, a defoaming agent 0.1-0.3%, and the balance is base oil. The technical scheme of the application can consider oil change when the mileage reaches 200,000 km, while the prior art mostly needs oil change when the mileage reaches 40,000 km, 60,000 km or 100,000 km, and the lubricating oil greatly improves the service life of the new energy vehicle reduction gearbox oil. In addition, the application also has excellent low-temperature fluidity and low-temperature starting property, can ensure the smooth starting of the new energy vehicle under the condition of-30 DEG C, and has excellent comprehensive performance.

The invention discloses finishing oil for titanium metal processing and a preparation method thereof, and belongs to the technical field of lubricating compositions for metal processing. The finishing oil for titanium metal processing is prepared from the following raw materials: base oil, a lubricant, a sulfur-based anti-wear reagent at extreme pressure, a phosphorus-based anti-wear reagent at extreme pressure, a coupling agent, a metal deactivator and an antioxidant. According to the finishing oil for titanium metal processing, base oil serves as a base component, a lubricating agent, a sulfur-based extreme pressure anti-wear agent, a phosphorus-based extreme pressure anti-wear agent, a coupling agent, a metal deactivator and an antioxidant are compounded, and isooctyl phosphate is selected as the phosphorus-based extreme pressure anti-wear agent, so that the finishing oil finally has high lubricity, and the service life of the finishing oil is prolonged. The surface of the titanium metal material is well protected, the finishing oil is almost free of residues after annealing, and it is guaranteed that follow-up storage and transportation, use, surface spraying and coating machining of workpieces are not affected.

The invention provides an ionic liquid-containing lubricating oil composition for a piston type aero-engine, and relates to the technical field of lubricating oil. The composition is prepared from the following components in percentage by weight: 1 to 2 percent of ionic liquid, 0.5 to 2.0 percent of an antioxidant mixture, 0.5 to 1.0 percent of tricresyl phosphate, 0.01 to 0.2 percent of a benzotriazole metal deactivator, 6.0 to 9.0 percent of an ethylene-propylene copolymer viscosity index improver, 3.0 to 6.0 percent of a succinimide ashless dispersant, 10 to 100 ppm of an anti-foaming agent and the balance of base oil, wherein the antioxidant mixture is prepared from the following components in percentage by weight: 0.4 to 1.0 percent of p-diisooctyl diphenylamine and 0.4 to 1.0 percent of lipid antioxidant. According to the piston type aviation lubricating oil composition containing the ionic liquid, the wear resistance, the thermal stability, the low-temperature fluidity and the oxidation resistance of lubricating oil are improved.

The invention provides a low-deterioration-rate composite mineral oil type organic heat carrier composition and a preparation method thereof, and relates to the technical field of lubricating oil. The composition comprises the following components in percentage by weight: 77.9%-89.26% of class I / class II base oil, 10%-20% of rubber oil, 0.01%-0.1% of a metal deactivator, 0.5%-1% of an antioxidant, 0.1%-0.5% of a clearing agent and 0.1%-0.5% of a dispersing agent. The rubber oil and the I-type / II-type base oil are compounded for use, so that the problem that the sediment performance is poor after the rubber oil is oxidized is solved, and the defect that the I-type / II-type base oil is high in high-temperature thermal stability deterioration rate is overcome.

The invention relates to a multifunctional phosphorus-containing additive, a preparation method of the multifunctional phosphorus-containing additive and application of the multifunctional phosphorus-containing additive in gear oil. The phosphorus-containing additive comprises mixed phosphate ester amine salt obtained by reacting a mixture of alkylated diphenylamine and dialkylamine with phosphate ester. The method provided by the invention has the advantages of simple synthesis process, low requirements on equipment, no generation of toxic and harmful gases in the synthesis process, small environmental pollution, high yield up to 99%, and obvious reduction of the production cost. When the phosphorus-containing additive is used for gear oil, the phosphorus-containing additive can be well compounded with other complexing agents, the dosage of an extreme pressure anti-wear agent, an antioxidant, a metal deactivator and the like can be properly reduced, and the phosphorus-containing additive has excellent extreme pressure anti-wear performance and oxidation and corrosion resistance.

The invention relates to the field of lubricating oil for metal processing, and discloses self-reinforced lubricating copper pipe drawing oil and a preparation method thereof, and the self-reinforced lubricating copper pipe drawing oil comprises the following raw materials by mass: 60-70% of mineral base oil, 17-20% of a viscosity index improver, 4-6% of a synthetic ester lubricant, 2-3% of an oil-soluble phosphorus extreme pressure anti-wear agent, 1-2% of an antioxidant, 1-2% of a metal deactivator, and 5-7% of a metal dispersant. According to the self-reinforced lubrication type copper pipe drawing oil, copper powder generated in the drawing process is effectively dispersed and permeated into a friction area, the self-reinforced lubrication effect is achieved, excellent lubricating performance can be provided, and the copper pipe drawing oil can be effective for a long time.

This invention relates to the field of lubricating oil technology, and discloses a lubricating oil composition and its preparation method. The lubricating oil composition includes a base oil, an extreme pressure anti-wear agent, a friction modifier, and optional other additives. The extreme pressure anti-wear agent is selected from isobutylene sulfide and / or dialkyl dithiophosphates, and the friction modifier is an ammonium phosphate salt. The other additives are selected from at least one of viscosity index improvers, antioxidants, metal deactivators, dispersants, detergents, and antifoaming agents. By controlling the specific types of extreme pressure anti-wear agents and friction modifiers, better synergistic effects can be achieved between them and with other components, resulting in a lubricating oil composition with excellent anti-friction and wear properties while exhibiting excellent compatibility with silicone sealant materials.

This invention relates to the field of industrial lubricant additives, specifically to a novel multifunctional industrial oil compound, comprising, by weight, a sulfurized olefin extreme pressure anti-wear agent, a phenolic antioxidant, an amine antioxidant, a phosphate ester anti-wear agent, a boronized phosphorus-containing polyisobutylene succinimide dispersant, a thiocarbamate, dodecenyl succinic acid, and a metal deactivator; the weight ratio of the sulfurized olefin extreme pressure anti-wear agent to the phosphate ester anti-wear agent is 1.2:1 to 5:1; the number average molecular weight of the boronized phosphorus-containing polyisobutylene succinimide dispersant is 1000 to 3000. The novel multifunctional industrial oil compound provided by this invention, through scientific formulation design and optimized preparation process, effectively solves the technical defects of existing industrial oil compound agents and possesses multiple significant beneficial effects.

The invention belongs to the technical field of lubricating grease preparation, and provides electric automobile driving motor bearing anti-electrocorrosion lubricating grease and a preparation method thereof. According to the lubricating grease, poly-alpha olefin and synthetic ester are used as compound base oil, modified polyurea generated in situ is used as a thickening system, a 2-ureido-4 [1H]-pyrimidone unit is covalently grafted on a molecular skeleton of the modified polyurea, and structural recombination and recovery can be achieved through reversible association; the lubricating grease further comprises over-alkalized calcium petroleum sulfonate, an oil-soluble antirust agent, an antioxidant, an ash-free anti-wear agent and a metal deactivator, a water-triggered release type self-repairing microcapsule is introduced, in-situ curing and condensation reaction occur after water infiltration, a continuous and compact barrier film layer is formed on the metal surface, and interface self-repairing and defect covering are achieved. The preparation method comprises the following steps: dehydrating and degassing the base oil, carrying out thickening reaction and grafting modification, sequentially adding and mixing the functional additive, dispersing the microcapsule at low temperature, and carrying out vacuum defoaming and curing to obtain a finished product.

The application discloses a new energy oil-cooled motor reduction gearbox oil and a preparation and application thereof, and components and contents of the new energy oil-cooled motor reduction gearbox oil are as follows in percentage by mass: viscosity index improver 4.5-7.0%; detergent 0.05-0.2%; dispersant 4.5-6.0%; extreme pressure anti-wear agent 0.5-1.5%; anti-rust agent 0.05-0.3%; antioxidant 0.1-1.0%; metal deactivator 0.01-0.2%; anti-foaming agent 0.01-0.03%; hydrogenated base oil 70-85%; and ester oil 2-13%. The lubricating oil composition provided by the application is stable in performance and can meet lubricating requirements of a reduction gearbox system under a new energy oil-cooled motor structure.

The application belongs to the technical field of hydraulic oil, and particularly discloses super-smooth energy-saving anti-wear hydraulic oil and a preparation method thereof.The components of the super-smooth energy-saving anti-wear hydraulic oil include, by weight, 75-90 parts of composite base oil, 5-7 parts of viscosity index improver, 3-5 parts of friction modifier, 1-3 parts of pour point depressant, 0.005-2 parts of rust and corrosion inhibitor, 0.003-0.02 parts of anti-emulsifier, 0.01-0.03 parts of anti-foaming agent, 0.05-1 parts of detergent, 0.05-2 parts of antioxidant, and 0.05-1.5 parts of metal deactivator; the composite base oil is composed of coal base oil, second-class base oil and alkyl naphthalene base oil in a mass ratio of 5:4:1.The super-smooth energy-saving anti-wear hydraulic oil has a high viscosity index, excellent shear stability, excellent oxidation stability, excellent low-temperature performance and small friction coefficient, greatly prolongs the service life of the product, meets the requirements of super-smooth energy-saving environmental protection performance, and has a wide application prospect.

The application discloses a phosphate ester fire-resistant oil composition with isomer directional regulation and a preparation method thereof, and particularly relates to the technical field of hydraulic oil, which comprises a directional regulation type tri (dimethylphenyl) phosphate ester, a directional regulation type tertiary butyl phenyl phosphate ester, a chlorine capturing agent, a composite antioxidant, an antifoaming agent and a metal deactivator. The product has an ultralow chlorine content, excellent antifoaming property and air release property, and the comprehensive performance meets the requirements of the electro-hydraulic regulating system of a power plant steam turbine, through isomer directional screening and para-substitution regulation, combined with catalyst-free esterification and complex chlorine capturing.

The application provides an alcohol-resistant low-viscosity lubricating oil composition and application thereof, and the composition of the lubricating oil composition comprises 0.6-1.0% of a metal detergent, 6.0-10.0% of an ashless dispersant, 0.5-2.0% of an anti-oxidation and anti-wear agent, 1.0-2.0% of a metal deactivator, 0.2-1.0% of an extreme pressure and anti-wear agent, 3.0-5.0% of a viscosity index improver, 0.1-0.2% of a pour point depressant, 0.001-0.010% of an anti-foaming agent, 30.0-50.0% of a CTL base oil, and the rest is an API III base oil. The lubricating oil composition has excellent anti-wear durability and low-temperature cold startability.

The present application provides a lithium base grease and its preparation method. The lithium base grease comprises 0.1-2.5% of extreme pressure anti-wear agent, 0.1-2.5% of metal deactivator, 3-25% of lithium base thickening agent and 70-95% of phenolic ester derivative, wherein the phenolic ester derivative has the structure of formula (I) in the specification. The lithium base grease has excellent antioxidant property, anti-wear property, low temperature property and corrosion resistance.

The invention belongs to the field of special oil for hydraulic systems, and particularly relates to a long-life hydraulic oil composition and a preparation method thereof. The long-life hydraulic oil composition is prepared from the following raw materials in percentage by mass: 0.01%-1.0% of an amine antioxidant, 0.01%-1.0% of a phenol antioxidant, 0.01%-1.0% of an antioxidant and antiwear agent, 0.1%-1.0% of an antirust agent, 0.01%-0.1% of a metal deactivator, 0.01%-0.1% of an anti-foaming agent and 95.8%-99.85% of base oil. According to the long-life hydraulic oil composition, the service life and the oil change period of hydraulic oil can be effectively prolonged through an antioxidant phenol-ammonia compounding technology, an oil product has excellent oxidation resistance, rust resistance, abrasion resistance, ultra-long service life and the like, especially has excellent high-temperature oxidation resistance, the service life of hydraulic equipment can be prolonged in a harsh working environment, and the service life of the hydraulic equipment is prolonged. The oil change period is prolonged.

The invention provides a high-weather-resistant polycarbonate composite material and a preparation method thereof, and relates to the technical field of composite material preparation, the high-weather-resistant polycarbonate composite material comprises the following components by weight: 70-90 parts of polycarbonate, 1-3 parts of a weather-resistant stable system, and 3-8 parts of a nano inorganic filler, the weather-resistant stable system comprises an ultraviolet light absorber, an antioxidant and a metal deactivator, the ultraviolet light absorber is a benzotriazole compound, the antioxidant is a compound of hindered phenol and phosphite ester compounds, and the metal deactivator is selected from N, N '-diphenyl oxamide; the nano inorganic filler is selected from one or more of nano titanium dioxide, nano silicon dioxide and nano aluminum oxide, and the polycarbonate composite material has excellent damp-heat aging resistance stability.