137results about How to "Improve temperature resistance" patented technology

The invention discloses a crosslinkable polyethylene hot-melt adhesive composition. The composition is prepared from the following components by weight portion: 60 to 92 portions of polyethylene, 8 to 30 portions of other polyolefin, 0.01 to 0.2 portion of evocating agent, 0.3 to 3 portions of silane coupling agent, 0.1 to 2 portions of polar monomer and 0.1 to 5 portions of auxiliary agent by a one-step method. The crosslinkable polyethylene hot-melt adhesive composition has the characteristics of high bonding strength, ideal temperature tolerance, excellent chemical resistance and good environmental stress cracking resistance, and can be widely used in metal-plastic bonding under severe conditions requiring temperature tolerance and acid and alkali resistance; meanwhile, the composition can also be pulverized so as to be used as inside and outside container coat such as container inner lining, water heater tank, inside and outside pipeline coat and the like.

The invention discloses a superhard strong toughness and high-entropy alloy nitride nano-composite coating cemented carbide blade. A superhard nano-composite coating is deposited on a cemented carbidesurface, wherein the superhard nano-composite coating is composed of a bonding layer, a transition layer, a support layer, a stiffening layer, a wear-resistant layer and a temperature-resistant layer; the bonding layer is a pure Cr layer, and the transition layer is a CrN layer; the support layer is a nano-multilayer film formed through alternate growth of the transition layer and the stiffeninglayer, and the stiffening layer is a TiVZrNbHfN high-entropy alloy nitride layer; and the wear-resistant layer is a nano-multilayer film formed through alternate growth of the stiffening layer and thetemperature-resistant layer material, and the temperature-resistant layer is an AlCrNbSiTi high-entropy alloy nitride layer. According to the nano-composite coating cemented carbide blade, by adopting deign of various high-entropy alloy coating materials and composition gradient, the internal stress of the coating can be reduced greatly, and the toughness of the coating is improved; the disadvantage of low temperature resistance of an existing blade coating is overcome effectively; and the service life of the cemented carbide blade is prolonged greatly, and the adaptability of the cemented carbide blade is improved.

The invention relates to a high-temperature-resistant high-elastic nickel-chromium alloy strip. The alloy strip comprises, by weight, 0.02%-0.10% of C, 0.003%-0.008% of B, 1.3%-1.7% of Al, 1.9%-2.3% of Ti, 19.0%-21.0% of Cr, 8.0%-9.0% of Mo, 9.0%-11.0% of Co and the balance Ni. The invention further provides a preparation method of the high-temperature-resistant high-elastic nickel-chromium alloy strip. The production procedures of the method include material proportioning, vacuum induction melting, vacuum self-consuming smelting, homogenization, cogging, hot forging, hot rolling, solid solution treatment, acid pickling, cold rolling, finished product annealing and packaging. The preparation process is simple, operation is convenient, the cost is low, the structure homogeneity of the strip can be improved effectively, the mechanical property and using temperature of the strip can be remarkably improved, the service life of the strip can be remarkably prolonged, the defects in the prior art are overcome, and the industrial application prospects are wide.

The invention discloses a polymer composite lithium battery diaphragm and a preparation method thereof. The polymer composite lithium battery diaphragm comprises a base diaphragm and inorganic particle coating on one surface or both surfaces of the base diaphragm; at least one layer of polymer resin coating is coated onto the surface of the inorganic particle coating, wherein the polymer resin coating is in a network structure formed by heat-resistant resin, and inorganic particles are uniformly embedded inside the network structure. By embedding the inorganic particles inside the heat-resistant resin network, the polymer composite lithium battery diaphragm can effectively solve the problem of particle falling and further avoids the consequent potential risks such as battery short circuit; meanwhile, the polymer resin coating can gelatinize electrolyte, so that the problem of leakage of the electrolyte can be solved, and safety performance of the battery can be enhanced.

The invention discloses a flexible display and a manufacturing method thereof. The manufacturing method comprises the steps of A, carrying out surface treatment on a middle area of a carrier substrate so as to enable the middle area of the carrier substrate to have a hydrophobic property; B, evenly coating a polymer solution at the surface of the carrier substrate, then heating to enable the polymer solution to be cured through cross-linking, and forming a polymer film; C, carrying out surface treatment on the periphery of the polymer film so as to enhance adhesion between the polymer film and the carrier substrate; D, forming a blocking layer, a TFT (thin film transistor) array layer, an OLED (organic light emitting diode) layer and a packaging layer on the polymer film in sequence, and then stripping the flexible display from the carrier substrate along a cutting line. The method disclosed by the invention not only ensures that the flexible display has good adhesion when being manufactured, but also ensures that a display device is stripped easily from the carrier substrate after the flexible display is manufactured. Meanwhile, an adhesive does not need to be used, the preparation process of the device is simplified, and the temperature resistant performance of the flexible substrate is improved, thereby being suitable for manufacturing high-resolution flexible displays.

The invention relates to fatty acid polyethenoxy ether sulfonate and the preparation method thereof, mainly aiming at solving the problems that current oil displacement agent containing surfactant is poor in oil displacement efficiency under high temperature with the existence of high salt and that the oil displacement agent contains alkali and causes damages to the stratum and the oil field and erodes the equipment and the pipes, which results in high production cost. The invention adopts fatty acid polyethenoxy ether sulfonate with general molecular formula (I)CnH2n+1COO(CH2CH2O)mCH2CH2SO3M to solve the problem; wherein M is alkali metal; n is any integer from 10 to 24; m is any integer from 1 to 10. The fatty acid polyethenoxy ether sulfonate can be applied to the production of tertiary oil recovery in oil fields.

The invention relates to the field of petrochemical drilling and discloses an additive composition of drilling fluid. The additive composition contains a nano-blocking agent, a bionic wall-fixing agent and a bionic shale Inhibitor, wherein the nano-blocking agent is a modified silicon dioxide nano-particle, and a modified group of the nano-blocking agent comprises a copolymer chain; the bionic wall-fixing agent is carboxymethyl chitosan with a main chain grafted with groups derived from dopamine; and the bionic shale Inhibitor consists of an arginine structural unit and an lysine structural unit. The invention further provides oil base drilling fluid containing the composition and applicable to shale gas horizontal wells. The drill fluid containing the additive composition has relatively high resistance, blockage property and inhibitive capability and environmental friendliness, particularly has relatively high density and is particularly applicable to the exploitation of shale gas.

The invention discloses an expandable biopolymer temporary plug profile control agent and a preparation method thereof. The expandable biopolymer temporary plug profile control agent is mainly prepared from biodegradation polymer, a reinforcing agent, a toughening agent, a foaming agent, a crosslinking agent, a water blocking agent, a coupling agent, a functional auxiliary and a carrying agent, and can be prepared through a double-screw extruder mixing method and a mixer mixing method under certain process conditions. The prepared expandable biopolymer temporary plug profile control agent is low in carbon, environmentally friendly, expandable, resistant to high temperature, high in plugging ratio, large in plugging strength, capable of achieving the self-plug-removal function, free of toxicity and pollution to stratums, low in cost and convenient to construct, and has very high economic value and broad market prospects.

The invention discloses aramid nanofiber/MXene composite conductive aerogel and a preparation method thereof. By using aramid nanofibers with a nano-scale structure, high strength, a large length-diameter ratio and high temperature resistance as a matrix and using MXene with excellent conductivity, good chemical stability and a unique two-dimensional nano-film structure as a conductive and fillingcoating material, the aramid nanofiber/MXene composite conductive aerogel with low density, high strength and high compression resilience is prepared. The preparation method specifically comprises the following steps: preparing an aramid nanofiber dispersion liquid, preparing an MXene dispersion liquid, preparing an aramid nanofiber/MXene composite dispersion liquid, preparing a gelatinous aramidnanofiber/MXene composite material and the like, thereby obtaining the aramid nanofiber/MXene composite conductive aerogel. The preparation process is simple and easy to implement, and the obtained aramid nanofiber/MXene composite conductive aerogel has wide application prospects in the fields of pressure sensing, intelligent sensors, wearable equipment and the like.

The invention relates to a halogen-free flame-retardant polyolefin cable material capable of resisting 150 DEG C, comprising following components in part by weight: 65-75 parts of high-density polyethylene (HDPE), 25-35 parts of ethylene-octene copolymer (POE), 6-10 parts of compatilizer, 1.5-2.5 parts of antioxidant, 5-15 parts of silicon rubber, 70-90 parts of flame retardant and 1.5-2.1 parts of cross-linking agent; and the weight sum of the high-density polyethylene and the ethylene-octene copolymer is 100 parts. The preparation method of the cable material comprises the following steps of: uniformly mixing HDPE, POE and the compatilizer; putting the mixture to a Banbury mixer to mix for 5-10min at 150-160 DEG C; adding the silicon rubber, the antioxidant, the flame retardant and the cross-linking agent; after uniformly mixing the materials, discharging the material; and preparing the cable material by a extruder granulation production line.

The invention discloses a preparation method of a ethanol pervaporation hybrid film used for removing methyl alcohol in wastewater, which is characterized by comprising the steps of: in inert gas or air, at a temperature of 0-200 DEG C, adding silane coupling agent which is 01.-2 times of the mol of polyvinyl alcohol to polyvinyl alcohol water solution with mass percent concentration of 0.1-10 percent, carrying out sol-gel reaction for 1-48h under the action of diluted acid with mol concentration of 0.001-0.1M, then adding 0.1-30 percent of cross-linking agent in terms of the mass percent of polyvinyl alcohol for cross-linking reaction until obtaining a solution, standing and defoaming the solution and then coating a film to obtain a diaphragm, and then drying the obtained diaphragm in the inert gas or air with the temperature of 0-200 DEG C and the relative humidity of 50-90 percent to obtain the ethanol pervaporation hybrid film used for removing the methyl alcohol The film has highthermal stability and good separating property, is a hybrid film through which the methyl alcohol can permeate preferentially, and can be used for separating and purifying the methyl alcohol wastewater.

The invention relates to surface active agent combination and the application of the combination which solve the disadvantages of bad displacement efficiency under the condition of high temperature and high salt, bringing harm to the strata due to the containing of alkali, equipment and channel corrosion and high production cost found in the oil displacement agent which contains surface active agent in the prior art. The surface active agent combination and the application of the combination solves the problem through the technical proposal of the surface active agent combination which contains fatty alcohol-polyoxyethylene ether sulfonates, polymers and water; the surface active agent combination is applicable to the tertiary oil recovery production of the oil field.

The invention discloses room-temperature curing adhesive based on silazane and modified silazane polymer and a preparation method thereof. The silazane and the modified silazane polymer refer to one or more of polysilazane, polyborosilazane, polycarbosilazane, polysiloxazane and ceramic precursor polymer containing silicon-nitrogen bonds. The silazane-based ceramic precursor polymer can achieve room-temperature curing under the action of isocyanate, and room-temperature curing high-temperature-resistant organic silicone adhesive is prepared by compounding corresponding packing. The adhesive has high temperature resistance and still has quite high shearing strength at 1,000 DEG C. The adhesive has good thermostability, mechanical performance and adhesive performance, and the temperature resistance of the adhesive is superior to that of phenolic resin; compared with inorganic adhesive, the adhesive has excellent toughness.

The invention relates to the technical field of PVC materials, in particular to a tasteless PVC modified material and a preparation method thereof. The tasteless PVC modified material is prepared from the following raw materials in parts by weight: 80 to 120 parts of PVC resin, 50 to 70 parts of a plasticizer, 20 to 30 parts of a filler, 3 to 7 parts of a tasteless heat stabilizer, 0.6 to 1 part of a lubricant and 1 to 2 parts of a deodorant. According to the tasteless PVC modified material disclosed by the invention, by adopting the raw materials and strictly controlling the weight proportion of the raw materials, the properties of the prepared tasteless PVC modified material exceed the national standard, and the tasteless PVC modified material is tasteless, environment-friendly, excellent in temperature resistance and weather resistance, high in strength, excellent in shock resistance, good in flame retardant efficiency, good in processing performance and excellent in combination property.

The invention relates to a silane self-crosslinked polyolefin flexible insulation cable material and a preparation method thereof. The cable material comprises a grafting component A and a catalytic component B in a weight ratio of 95:(4-6), wherein the grafting component A comprises the following components in parts by weight: 10-35 parts of high-strength polyethylene resin, 25-55 parts of ethylene-octylene copolymer, 20-65 parts of ethylene propylene diene monomer, 0.1-4 parts of 3-aminopropyltrimethoxysilane, 1-6 parts of silane crosslinking agent, 0.5-1.5 parts of grafting initiator, 0.2-2 parts of lubricant and 0.1-5 parts of first antioxidant; and the catalytic component B comprises the following components in parts by weight: 100 parts of ethylene-vinyl acetate copolymer and/or ethylene-octylene copolymer, 1-5 parts of second antioxidant, 1-10 parts of antioxidant and 1-8 parts of crosslinking catalyst. The cable material provided by the invention has the advantages of excellent temperature tolerance, high softness and high oil resistance, and is applicable to the field of electromechanical devices.

The invention belongs to the technical field of application of titanium alloy and relates to a laser ignition combustion chamber for titanium fire test. The combustion chamber mainly comprises a housing, a front cover, a rear cover, a gas inlet pipe, an exhaust pipe, a sample clamp, a pressing plate, a cooling water pipe, an observation window, a laser incidence window, a gas temperature sensor, agas pressure sensor and the like; moreover, a test sample can be ignited within a short time through a laser ignition mode; the pressure intensity, the temperature and the gas flow speed of a cavityare adjusted simultaneously by the gas inlet pipe which seals the combustion chamber and is close to the test sample; the observation window is positioned over the sample, so that the combustion condition can be observed conveniently; a cooling structure is arranged in the wall of the housing, so that the titanium fire test with the temperature of 600 DEG C or more can be realized; and the sampleclamp is tightly pressed and fixed by the pressing plate, so the mounting is facilitated. The combustion chamber provided by the invention is compact in structure and low in use cost, can bear the gasflow conditions of high temperature, high pressure and high speed, can meet the requirement of simulating the titanium fire test under the interaction of the aero-engine service environment, and hasa wide application prospect.

The invention discloses a silicon-based microcrystal heat-insulating material comprising the following components in percentage by weight: 30.5%-46.5% of silicon-based microcrystal, 43%-55.6% of inorganic gelled materials, 9%-11.8% of crack-resistant additives and 1.37%-2.32% of auxiliary adhesives. The silicon-based microcrystal heat-insulating material has good temperature-resisting performance, low and stable heat conductivity, corrosion resistance, high strength and good construction performance when used for a heat-insulating system, has good flame-retardant effect and can achieve the purpose of having the same service life of concrete or cement plaster according to physical and chemical performance analysis.

The invention provides a high-temperature-resistant maleic anhydride (MAH) resin catalyst. The resin catalyst is a high-temperature-resistant strong acid cation catalyzed resin obtained by chlorinating fluorine-containing white balls obtained by copolymerizing an acrylic acid fluorine-containing monomer which has the crosslinking degree 15-30 percent and serves as a third monomer, and performing shallow sulfonation. The high-temperature-resistant MAH resin catalyst has a good catalytic effect in an MAH esterification reaction, high high-temperature resistance and long service life, and can be used at high temperature 100-140 DEG C. The invention further provides a preparation method of the catalyst.

The invention relates to a polymer type viscosity reducer used in a heavy oil recovery process, concretely to a temperature-resistant and salt-resistant amphiphilic polymer heavy oil viscosity reducerand a preparation method thereof. The viscosity reducer is generated by 1-vinyl-2-pyrrolidone, acrylamide and methacryloxypropyltrimethoxysilane under the action of an initiator. A mol ratio of the 1-vinyl-2-pyrrolidone, the acrylamide and the methacryloxypropyltrimethoxysilane is 1:0.05-10:0.05-20, preferably 1:1.2:2.3. The heavy oil viscosity reducer of the invention has good temperature resistance and salt resistance, the temperature resistance is above 220 DEG C, and the mineralization resistance is above 100000 mg/L. The heavy oil viscosity reducer of the invention has the characteristics of good universality, low use concentration and high viscosity reduction rate, and can reduce more than 98% of the viscosity of heavy oil within 1000-10000 mPa.s under the condition that the use concentration is 200 ppm. Therefore, the temperature-resistant and salt-resistant amphiphilic polymer heavy oil viscosity reducer and the preparation method thereof can be widely applied to heavy oil recovery.

The invention discloses a heat-resistant and salt-resistant high temperature and high pressure filtrate loss reducer for drilling fluid, and a preparation method of the filtrate loss reducer. The filtrate loss reducer is prepared from the following components: a polymer monomer and nano silicon, wherein the polymer monomer is prepared from acrylic acid, 2-acrylamide-2-methyl propanesulfonic acid,acrylamide and vinylpyrrolidone; the filtrate loss reducer is prepared from the following components in parts by weight: 1-5 parts of acrylic acid, 1-4 parts of 2-acrylamido-2-methyl propanesulfonic acid, 6-12 parts of acrylamide, 1-3 parts of vinylpyrrolidone and 0.5-1 part of the nano silicon. Compared with the prior art, the filtrate loss reducer provided by the invention has excellent heat resistance, salt resistance as well as high temperature and high pressure reduction performance; the filtrate loss reducer has a better filtrate loss reduction effect in the drilling fluid; an acting effect between functional groups on a side chain and clay particles is obvious, so that a formed mud cake is good in quality; the filtrate loss reducer has a good filtrate loss reduction effect both in the drilling fluid of fresh water and saline water.

The invention discloses a halogen-free flame retardant thermoplastic elastomer EV cable material resistant to 125 DEG C and a preparation method thereof. The provided cable material has good oil resistance, and the provided method has the characteristics of convenience for production and low cost. A technical scheme is as below: the halogen-free flame retardant thermoplastic elastomer EV cable material resistant to 125 DEG C comprises polyolefin resin, an elastomer, polyphenyl ether resin and other auxiliary materials. The preparation method of the halogen-free flame retardant thermoplastic elastomer EV cable material resistant to 125 DEG C includes the following steps: 1) preparing raw materials in the following weight portions; 2) pouring the elastomer resin high into a high-speed mixing machine, and pouring filling oil during high speed stirring; 3) adding polyolefin resin, stirring at high speed and discharging; and 4) putting the evenly mixed material into a double-screw extruder, conducting melt kneading, extruding and granulating.

The invention relates to a stainless steel powder metallurgy key part of an automobile electronic vacuum pump and a preparation method of the key part. The stainless steel powder metallurgy key part is prepared from the following components in percentage by weight: 0-0.2% of graphite, 0.9-3% of manganese, 17-25% of chromium, 0-20% of nickel, 0-5% of molybdenum, 0.4-1% of silicon carbide, 0.02-0.09% of sulfur and the balance of stainless steel powder. The temperature resistance, the corrosion resistance and the pressure resistance of the product are greatly improved.

The invention discloses a high-temperature-resistant platable polyphenylether alloy material and a preparation method thereof. The material comprises the following components in percentage by mass: 20-50% of polyphenylether, 30-65% of polystyrene, 10-20% of acrylonitrile-butadiene-styrene copolymer, 2-10% of toughener, 2-10% of compatilizer, 0.2-0.6% of lubricant and 0.2-0.6% of antioxidant. The invention also discloses a preparation method of the alloy. The preparation method comprises the following steps: weighing the raw materials in percentage by weight, mixing the raw materials in a high-speed mixer, and carrying out extrusion granulation with a double screw extruder. The high-temperature-resistant platable polyphenylether alloy material has the advantages of excellent heat resistance, excellent plating properties, favorable dimensional stability and favorable hydrolysis resistance, can satisfy the requirements of high-temperature plating, and is applicable to automobile wheel cowls, domestic and industrial water valves, bath accessories, electronic and electric appliance accessories and the like.

The invention discloses an industrial flue gas pipeline maintenance protective coating layer and a preparation method thereof and belongs to the technical field of two-component epoxy glue. The maintenance protective coating layer is prepared from two components of A and B, wherein the component A is prepared from 30 to 45% of epoxy resin, 5 to 8% of diluent, 1 to 2% of coupling agent, 45 to 65% of wear-resisting filler and 3 to 5% of thixotropic agent; the component B is prepared from 85 to 95% of curing agent, 2 to 5% of accelerant, 0 to 20% of wear-resisting filler and 3 to 5% of thixotropic agent; the weight ratio of the component A to the component B is (5 to 8) to 1. The maintenance protective coating layer has the advantages of good adhesive property, good temperature resistance, good wear resistance, good corrosion resistance, good fa ade construction performance and the like; the problems of maintaining and protecting corroded and abraded industrial flue gas pipelines in a useprocess in the fields of power plants, steel mills, cement plants and the like are mainly solved; maintaining efficiency of the flue gas pipelines is improved, and service life of the flue gas pipelines is effectively prolonged.

The invention provides a method for preparing a temperature-resistant probiotic chocolate product. The method comprises a step of adding probiotics before regulating the temperature of chocolate syrup. The method specifically comprises the following steps: 1) preparing a preliminary mixed solution of the chocolate syrup, accurately grinding the solution, and maintaining the temperature; 2) addingthe temperature-maintained chocolate syrup and temperature-returned probiotic powder in a fine grinder, performing fine grinding, and controlling the fine grinding temperature to be about 28-32 DEG C;3) regulating the temperature of the mixture in the step 2), and controlling the temperature to 27-30 DEG C for 10-15 minutes; 4) preparing a chocolate core from the temperature-regulated mixture inthe step 3); and 5) optionally coating the chocolate core in the step 4), thereby obtaining the product. The temperature-resistant probiotic chocolate chip provided by the invention is intact in texture at a high temperature (37 DEG C), small in probiotic decay, high in temperature resistance and convenient to preserve and eat, so that the consumers can supplement probiotics with health effects while tasting the perfect chocolate snacks, and the market prospects are wide.

The invention discloses a manufacturing method of the water tank of a water heater, which is characterized by comprising the following steps: (1) manufacturing water tank parison; (2) carrying out alkali wash, oil removing, pickling and polishing; (3) coating an alloy layer; (4) coating a heat-resistant layer; and (5) self drying 30min at room temperature and then drying for 15min under the condition of 300-400 DEG C to obtain finished product. The temperature resistance of the surface of aluminum or aluminum material can be effectively improved by a zinc-nickel-titanium alloy layer, meanwhile, the adhesion of a subsequent coating is improved; and the heat resistance and the decay resistance of the heat-resistant layer are further improved. Compared with manufacturing by copper in the prior art, the cost is lowered; and compared with products manufactured by aluminum or aluminum alloy, the heat resistance and decay resistance are improved.

The invention discloses a high-temperature-resistant titanium alloy material for 3D printing. According to the high-temperature-resistant titanium alloy material, a titanium alloy is matched with an amorphous metal, the temperature resistance, strength and toughness are improved through doping titanium carbide ceramic, and the amorphous metal has a structure crystallization tendency when a temperature rises, so that the titanium alloy has no creep deformation under a high-temperature condition of 650 DEG C, thus the defect of no high-temperature resistance of metal products subjected to titanium alloy 3D printing is overcome. An application of manufacturing high-temperature-resistant complex equipment such as a titanium alloy engine by virtue of a 3D printing technology is further promoted.

The invention relates to the field of well drilling of the petroleum industry, in particular to a partially hydrolyzed acrylamide polymer suitable for a coating agent with high temperature resistance,water-based drilling fluid, and application thereof. The partially hydrolyzed acrylamide polymer comprises a structure unit as shown in a formula (1) below, a structure unit as shown in a formula (2), a structure unit containing a positive ion, and a structure unit as shown in a formula (5), wherein the structure unit containing the positive ion is a structure unit as shown in a formula (3) and/or a structure unit as shown in a formula (4); the number-average molecular weight of the partially hydrolyzed acrylamide polymer is 5 million to 10 million. The polymer provided by the invention has excellent coating performance with high temperature resistance, and an excellent capability of inhibiting drilling cuttings dispersion at high temperature when serving as the coating agent in the water-based drilling fluid. (All the formulae are shown in the description).

The invention discloses a water-borne acrylate pressure-sensitive adhesive, a preparation method and a pressure sensitive adhesive tape. The water-borne acrylate pressure-sensitive adhesive is prepared from the raw materials of a hard monomer, a soft monomer, a functional monomer, an initiator, a solvent and a chain transfer agent, wherein the hard monomer accounts for 25-35 percent of the total mass of the monomers; the soft monomer accounts for 35-50 percent of the total mass of the monomers; the functional monomer accounts for 25-35 percent of the total mass of the monomers; the use amount of the initiator is 1-2 percent of the total mass of the monomers; a ratio of the use amount of the solvent to the total mass of the monomers is 2 to 3 - 3 to 2; the use amount of the chain transfer agent is 1-7 percent of the total mass of the monomers. By researching a polymerization technique and monomer composition, the cohesive strength and temperature resistance of the water-borne acrylate pressure-sensitive adhesive are improved, and an adhesive drop-off risk of a protective film product in an actual use process is reduced.

The invention discloses a thermal barrier/high-temperature low infrared emissivity integrated coating. The coating is of a multilayer stacked structure. The multilayer stacked structure successively comprises a metal bonding layer, a thermal barrier ceramic layer and a low infrared emissivity layer from inside to outside. The thermal barrier ceramic layer is a rare earth hexaaluminate layer, and the low infrared emissivity layer is a Bi2O3-MgO-Al2O3-Li2O-SiO2 serial glass coating containing a conductive phase Pd powder. The integrated coating has the advantages of heat-insulating property, high-temperature low infrared emissivity, high bonding strength and the like. The metal composite material with the coating is simple and manure in process, relatively low in cost and easy for scaled production and application.