553results about How to "Improve temperature resistance" patented technology

The invention relates to a ring structure betaine and double-tailed hydrophobic association polymer fracturing thickening agent and a preparation method thereof. The thickening agent is formed by copolymerization of four monomers, namely acrylamide, 2-allyl methylamino sodium ethanesulfonate, methyl diallyl sulfoethyl betaine and hydrophobic monomer double-tailed long-chain alkyl methyl allyl ammonium chloride. The preparation method comprises the following steps: firstly adding distilled water, then sequentially adding acrylamide, 2-allyl methylamino sodium ethanesulfonate, methyl diallyl sulfoethyl betaine and a hydrophobic monomer double-tailed long-chain alkyl methyl allyl ammonium chloride, adjusting the total concentration, introducing N2 to remove oxygen, adding an initiator, and reacting to prepare an AM / AMES / MDASBA / DCnMAAC quadripolymer, namely the polymer fracturing thickening agent. The thickening agent provided by the invention has good water solubility, and shows good salt resistance in mixed brine with the mineralization degree of greater than or equal to 30000 mg / L. The prepared linear solution and gel formed after crosslinking have high viscosity retention capacity at the temperature of 150 DEG C and the shearing rate of 170 s <-1 >, and the actual construction requirement for fracturing yield increase with the on-site mineralization degree larger than or equal to 30000 mg / L is met.

The invention relates to a preparation method and application of an inner-rigid outer-soft core-shell structure silicon dioxide blocking agent for marine drilling fluid, and belongs to the field of deepwater oil and gas drilling. N-vinyl-2-pyrrolidone, dimethyl diallyl ammonium chloride, acrylamide and 2-acrylamide-2-methylpropanesulfonic acid are polymerized and grafted on the surface of nano silicon dioxide to form the silicon dioxide blocking agent with a core-shell structure and a rigid inside and a soft outside; by means of rigid plugging of a nano material and deformation filling flexible plugging of a high-molecular polymer, shale micro-nano pores are efficiently plugged with rigid inside and flexible outside, so that the stability of a well wall is maintained, meanwhile, secondary generation of hydrates is effectively inhibited, and the safety and efficiency of deepwater drilling are improved; the plugging agent provided by the invention reduces the demand on a large number of thermodynamic inhibitors, not only saves the cost, but also has the characteristic of environmental protection.

The invention relates to the technical field of coatings, and discloses a modified hexagonal boron nitride and organic silicon double-component doped high-flame-retardant epoxy resin powder coating as well as a preparation method and application thereof. Comprising the following raw materials in parts by weight: 25-50 parts of modified hexagonal boron nitride, 90-110 parts of organic silicon resin, 120-150 parts of epoxy resin, 5-8 parts of dicyandiamide, 100-120 parts of silica powder, 8-12 parts of other auxiliaries and 80-100 parts of filler. The flame-retardant epoxy resin powder coating is prepared by uniformly mixing the components, melting, extruding a sheet material, grinding and sieving. The flame-retardant and fireproof performance of the epoxy resin powder coating is greatly improved in a modified hexagonal boron nitride and organic silicon double-component doping mode.

According to the amido-modified polyanionic cellulose filtrate reducer and the preparation method thereof, amido functional groups are introduced into a molecular structure, and a final product is modified into a zwitterionic type product, so that the temperature resistance of the amido-modified polyanionic cellulose filtrate reducer can be improved, and the temperature resistance of the product can reach 160 DEG C. Besides, due to introduction of amido and a long alkylene oxide chain in the molecular structure, the adsorption capacity and the film-forming lubricating capacity of a modified product can be improved, the filtrate loss reduction performance of the product is remarkably improved, the filtrate loss reduction performance at the normal temperature is improved by at least 30% compared with that of conventional polyanionic cellulose, and the filtrate loss after aging at 160 DEG C is smaller than 13 mL. The amido modified polyanionic cellulose filtrate reducer provided by the invention is good in temperature resistance and obvious in filtrate reduction effect.

The invention relates to a preparation method of a high-hardness and high-sulfate-radical water quality scale inhibitor, and belongs to the technical field of water treatment.The preparation method comprises the steps that sodium carboxymethyl cellulose-sulfur quantum dots are prepared by using carboxymethyl cellulose as a stabilizer and then subjected to a copolymerization reaction with 2-acrylamido-2-methylpropanesulfonic acid and itaconic acid, and the high-hardness and high-sulfate-radical water quality scale inhibitor is obtained. The preparation method comprises the following steps: carrying out a reaction on sodium carboxymethyl cellulose and sulfur quantum dots to obtain modified sodium carboxymethyl cellulose-sulfur quantum dots, and carrying out a reaction on polysuccinimide, 4-amino phthalic acid and 2-aminoethanesulfonic acid to obtain a polyaspartic acid derivative; the modified sodium carboxymethyl cellulose-sulfur quantum dots and the polyaspartic acid derivative are mixed to serve as the scale inhibitor, the scale inhibition rate of the scale inhibitor is remarkably increased through the synergistic effect of the modified sodium carboxymethyl cellulose-sulfur quantum dots and the polyaspartic acid derivative, and meanwhile, due to the fact that a large number of new hydrogen bonds are generated between the modified sodium carboxymethyl cellulose-sulfur quantum dots and the polyaspartic acid derivative, the scale inhibition rate of the scale inhibitor is increased. The stability of a polymer structure is improved, so that the temperature resistance of the scale inhibitor is improved. The scale inhibitor is green and environment-friendly, and has excellent scale inhibition efficiency on high-hardness and high-sulfate-radical water.

The invention discloses a double-sided composite ultrahigh-viscosity self-adhesive film, a production process and equipment, the self-adhesive film comprises a base material layer and an adhesive layer, and the base material layer comprises a surface layer, a middle layer and a bottom layer; the formula of the surface layer comprises 90% of LDPE (Low-Density Polyethylene) and 10% of Exfin; the Exfin is a three-well chemical'silicon-like polyolefin copolymerization master batch '; the formula of the middle layer comprises 70% of LLDPE, 20% of LDPE and 10% of rim charge; and the formula of the bottom layer comprises 95% of LDPE and 5% of SEBS. And the formula of the adhesive layer comprises the following components: 30 parts of SEBS, 40-60 parts of tackifying resin, 10-20 parts of white oil, 1 part of fumed silica and 0.5 part of antioxidant 1010. According to the production process, casting co-extrusion is combined with a coating system, multi-layer materials with great difference can be stably subjected to interlayer melting convergence to form the ultrahigh-viscosity protective film at a time, and the production efficiency is greatly improved.

The invention relates to the technical field of organic silicon pouring sealants, and discloses a high-thermal-conductivity low-viscosity organic silicon pouring sealant and a preparation method thereof, and the sealant comprises the following raw materials by weight: 80-90 parts of alpha, omega-dihydroxy polydiethylsiloxane; 4 to 8 parts of polyphenyl siloxane; 100 to 120 parts of spherical aluminum nitride; 3 to 7 parts of epoxy butyl oleate; 0.8 to 1.2 parts of organic bentonite; 0.5 to 0.9 part of a titanate coupling agent; 0.8 to 0.9 part of dibutyltin dibutyrate; 0.15 to 0.20 part of dibutyltin oxide; 0.08 to 0.15 part of phosphotriester; the titanate coupling agent, the tris (2, 3-dibromopropyl) phosphate and the graphite powder are introduced into the raw materials, the graphite powder is subjected to surface modification treatment in the pretreatment stage, and the modified graphite powder is more firmly combined with a sealing compound matrix, so that the sealing compound can still keep stable performance at an extreme temperature; by integrating the respective characteristics of the raw materials, the sealing compound finished product disclosed by the invention has the advantage of high heat-conducting property while having low viscosity.

The invention relates to the technical crossing field of polyphenylene sulfide fiber paper, special papermaking and insulation paper, in particular to high-temperature-resistant polyphenylene sulfide fiber composite insulation paper and a preparation process thereof. The high-temperature-resistant polyphenylene sulfide fiber composite insulation paper with a dense structure similar to reinforcing steel bar-mortar is prepared by preferably selecting the polyphenylene sulfide fiber with higher cost performance as a raw material and taking the aramid fibrid as a filling agent and an adhesive and adopting a wet papermaking process. The prepared composite paper has excellent temperature resistance and chemical corrosion resistance, the production process flow is short, the production process is free of pollution, the industrial production cost of the composite paper can be reduced, the temperature resistance and chemical stability of medium-and-low-end application insulation paper are improved, the application field of the composite paper in a more severe environment is widened, and the composite paper has good application prospects. Good economic benefits and application values are realized.

The invention discloses an anti-crosstalk micro-display light-emitting pixel and a manufacturing method thereof, and relates to the technical field of semiconductors. The micro-display light-emitting pixel includes: a driving backplane; the display module is arranged on the driving back plate, the display module comprises a light-emitting unit and a groove structure, the light-emitting unit is conducted with an anode contact in the driving back plate, the groove structure surrounds the light-emitting unit and penetrates through a vertical area where the display module is located, and the display module is arranged on the driving back plate. The trench structure is filled with a metal material, and the light-emitting unit is an inorganic compound semiconductor. Based on the technical scheme provided by the invention, light emitting constraint can be carried out through the through type groove structure, and better optical crosstalk isolation is realized.

The invention relates to a betaine type double-tailed hydrophobic association polymer fracturing thickening agent and a preparation method thereof. The thickening agent is prepared by the following steps: copolymerizing four monomers, namely acrylamide, 2-allyl methylamino sodium ethanesulfonate, methyl diallyl hydroxypropyl sulfobetaine and double-tailed long-chain alkyl allyl sulfoethyl betaine to form gel, chopping, hydrolyzing, neutralizing and purifying. The preparation method comprises the following steps: firstly adding distilled water, adding acrylamide, 2-allylmethylamino sodium ethanesulfonate, methyldiallyl hydroxypropyl sulfobetaine and other remaining raw materials, adjusting the total concentration, introducing N2 to remove oxygen, adding an initiator, reacting to prepare gel, chopping the gel, and hydrolyzing to obtain the water-soluble polymer. The fracturing thickening agent has good water solubility and shows good salt resistance in mixed saline water with the mineralization degree larger than or equal to 30000 mg / L, a prepared linear solution and jelly formed after crosslinking have high viscosity retention capacity at the temperature of 150 DEG C and the shearing rate of 170 s <-1 >, and the actual construction requirement for fracturing yield increase with the on-site mineralization degree larger than or equal to 30000 mg / L is met.

The invention provides a preparation method of a PI / SiO2 modified PET (Polyethylene Terephthalate) high-temperature-resistant composite release film, which comprises the following steps: S1, preparing a polyamide acid fiber film by using a polyamide acid precursor solution as an electrostatic spinning solution and adopting an electrostatic spinning method; s2, applying a drawing force to the polyamide acid fiber membrane at a preset temperature for hot drawing, and then carrying out thermal imidization treatment to obtain a PI nanofiber membrane; s3, adding PET into a mixed solvent of phenol and tetrachloroethane, and stirring until the PET is completely dissolved to obtain a PET solution; s4, adding strawberry-shaped SiO2 gel microspheres into the PET solution, and uniformly stirring to obtain a PET composite solution; and S5, adding the PI nanofiber membrane prepared in the step S2 into a mold, fixedly paving, blade-coating the PI nanofiber membrane with the PET composite solution, and removing the solvent to obtain the high-temperature-resistant release film. According to the invention, the PI electrostatic spinning film is matched with the strawberry-shaped SiO2 gel microspheres, so that the PET release film has better temperature resistance.

The invention relates to the technical field of cutting fluids, and discloses a high-temperature alloy cutting fluid and a preparation method thereof, the high-temperature alloy cutting fluid comprises the following components: 30%-50% of base oil, 5%-10% of organic alkali, 5%-10% of an antirust agent, 4%-10% of synthetic ester, 15%-20% of an anti-wear reagent at extreme pressure, 0.5%-1.5% of a corrosion inhibitor, 7%-15% of an emulsifier, 2%-4% of a bactericide, 0.05%-0.1% of a defoaming agent, and the balance of water; the extreme pressure anti-wear agent is composed of a chlorination extreme pressure anti-wear agent and a vulcanization extreme pressure anti-wear agent. According to the invention, the ester-based base oil, the organic alkali, the synthetic ester and the extreme pressure anti-wear agent composed of the chlorination extreme pressure anti-wear agent and the vulcanization extreme pressure anti-wear agent are combined to form a continuous high-strength lubricating film, and the continuous high-strength lubricating film is compounded with additives such as the organic acid antirust agent, the corrosion inhibitor and the bactericide; therefore, the antirust corrosion inhibition performance of the cutting fluid on workpieces and machine tools and the long-term use safety and environmental protection performance are improved during processing.

The invention discloses a low-thermal-conductivity and high-temperature-resistant silicon oxide aerogel heat insulation felt and a preparation method thereof, and the prepared silicon oxide aerogel felt has the characteristics of temperature resistance of 1100 DEG C, good flexibility, excellent high-temperature heat insulation performance and convenience in construction, and has wide application prospects in the fields of aerospace, industrial kilns and the like.

The invention provides a high-temperature-resistant iron-chromium black pigment as well as a preparation method and application thereof, and belongs to the technical field of pigments. The preparation method comprises the following steps: preparing porous SiO2 / Al2O3 nanospheres, modifying the surfaces of the porous SiO2 / Al2O3 nanospheres by using tannic acid, depositing iron-containing and chromium-containing precipitates in situ, impregnating zirconium, calcining to obtain a precursor, and modifying the surfaces of the porous SiO2 / Al2O3 nanospheres by using polydopamine to obtain the high-temperature-resistant iron-chromium black pigment. The high-temperature-resistant iron-chromium black pigment prepared by the preparation method disclosed by the invention contains an aluminum element, so that the high-temperature-resistant, heat-resistant and flame-retardant properties of a prepared precursor are greatly improved, and the high-temperature-resistant iron-chromium black pigment contains silicon oxide, so that the temperature resistance and the wear resistance are obviously improved, and the high-temperature-resistant iron-chromium black pigment is relatively uniform in black, uniform in particle size, good in weather resistance and light resistance, good in dispersity and wide in application prospect.

The invention relates to a double-tailed hydrophobic associated polymer oil-displacing agent with a benzene ring structure and a preparation method thereof. The oil-displacing agent is formed by copolymerizing three monomers, namely acrylamide, 2-allyl methylamino sodium ethanesulfonate and a hydrophobic monomer double-tailed long-chain alkyl methyl (p-3-carboxyl acrylamide benzyl) ammonium chloride with the benzene ring structure. The preparation method comprises the following steps: firstly adding distilled water, then adding acrylamide, 2-allyl methylamino sodium ethanesulfonate and a hydrophobic monomer double-tailed long-chain alkyl methyl (p-3-carboxyl acrylamide benzyl) ammonium chloride with a benzene ring structure, supplementing water, adjusting the total concentration, introducing N2 to remove oxygen, adding an initiator, and reacting at a certain temperature to prepare the terpolymer. The prepared polymer oil-displacing agent has good water solubility, temperature resistance and shearing resistance, shows good salt resistance in saline water with the mineralization degree larger than or equal to 30000 mg / L and shows a good oil-displacing effect in a heterogeneous core oil-displacing experiment, and the crude oil recovery rate can be increased by 10% or above.

The invention relates to the technical field of flame-retardant conveying belts, in particular to a preparation method of a high-wear-resistance flame-retardant environment-friendly graphene / basalt fiber / rubber composite material and a laminated conveying belt prepared through the preparation method. The preparation method mainly comprises the following steps: (1) preparing functionalized graphene and basalt fiber particles; and (2) preparing the graphene and basalt fiber / rubber composite material. The graphene and the basalt fiber are compounded and used in the belt core framework material, the core rubber and the cover rubber of the conveying belt, so that the conveying belt has the characteristics of high strength, high modulus, high temperature resistance, difficulty in deformation, environment friendliness, flame retardance and static electricity resistance, and the application requirements of the rubber conveying belt in different use environments are met.

The invention provides a battery diaphragm with an ion adsorption function and a preparation method thereof. The battery diaphragm comprises a base membrane and a coating layer positioned on at least one side surface of the base membrane, the coating layer comprises coated ceramic particles, and each coated ceramic particle comprises a coating layer composed of a polyimide porous material and a core composed of ceramic particles. According to the battery diaphragm with the ion adsorption function and the preparation method thereof provided by the invention, the coating layer made of the polyimide porous material is formed on the surface of the ceramic particle, so that after the obtained coated ceramic particle is used for the battery diaphragm, non-lithium metal ions dissolved out from a battery positive electrode can be effectively adsorbed, and the service life of the battery diaphragm is prolonged. And the safety, rate, cycle and other performances of the battery are improved.

The invention discloses a base membrane for a composite current collector and a preparation method of the base membrane, and belongs to the technical field of current collectors for lithium batteries. Comprising two polymer polar material layers and a polymer reinforcing material layer located between the two polymer polar material layers. The polymer polar material layer comprises polyolefin, a polar polymer material, an amphoteric material and an antioxidant; the polymer reinforced material layer comprises polyolefin, a reinforced material and an antioxidant; the base film for the composite current collector is of a sandwich structure composed of the polymer polar material layer, the polymer reinforcing material layer and the polymer polar material layer, the performance of the edge layer and the performance of the core layer can be considered to the maximum extent, good temperature resistance, tensile strength and electrolyte resistance are achieved, the safety of a device is improved on the whole, and the service life of the device is prolonged. And the current collector development trend is met.

The invention discloses high-viscosity and high-elasticity modified asphalt and an asphalt composition, belongs to the field of asphalt, and solves the technical problem that the existing asphalt material lacks high-viscosity and high-elasticity modified asphalt suitable for diversified climates. The high-viscosity and high-elasticity modified asphalt suitable for diversified climates is prepared from the following raw materials in parts by mass: 100 parts of road petroleum asphalt, 2.5-4 parts of an epoxidized modified styrene-butadiene-styrene block copolymer, 5-10 parts of a hyperbranched polyester modified styrene-isoprene-styrene block copolymer, 5-10 parts of tackifying resin, 1-3 parts of a coupling agent, 1-3 parts of a coupling agent, 1-3 parts of a coupling agent, 1-3 parts of an antioxidant and 1-3 parts of a lubricant. The modified asphalt is prepared from, by weight, 1-2 parts of rubber powder, 1-2 parts of oleamide, 2-3 parts of bagasse fibers and 2-10 parts of other functional auxiliaries. The modified asphalt has the advantages of being high in viscosity and elasticity, suitable for various climates and the like.

The invention provides a preparation method of a fiber composite photovoltaic support material, and belongs to the technical field of composite materials. The fiber composite photovoltaic support material is prepared by adding the modified basalt fiber as a composite reinforcing material and then introducing the polyisocyanurate tripolymer and the modified aluminum nitride, and the support material is high in longitudinal tensile strength and has good flame retardant property and heat-conducting property.

The invention relates to the technical field of water treatment, and discloses a water treatment agent for oilfield reinjection water and a preparation method thereof. The water treatment agent for oilfield reinjection water is obtained by copolymerization of sulfonic imidazoline quaternary ammonium salt modified quinoline, Mannich base modified chitosan, acrylic acid and sodium hypophosphite. The water solubility and corrosion inhibition of imidazoline are improved through quaternization modification of imidazoline, quaternary ammonium salt imidazoline can be adsorbed on the metal surface, the corrosion rate is reduced, the quaternary ammonium salt imidazoline serves as a surface active agent, the infiltration and dispersion effects are achieved, and the descaling rate is increased; the sulfonic acid group improves the temperature resistance and prevents the generation of gel, and the strong hydrophilicity of the sulfonic acid group enables a molecular chain to fully stretch in water, so that the scale inhibition performance is improved; mannich base is introduced into chitosan, the acid solubility and temperature resistance of chitosan are improved, the coordination chelation effect of chitosan is enhanced through the conjugation effect of aromatic rings, and the corrosion inhibition effect is improved; various functional groups play a synergistic effect, so that the corrosion and scale inhibition effect is further enhanced.

The invention provides a zwitterionic cross-linking agent, a copolymer flow pattern regulator and a preparation method and application of the zwitterionic cross-linking agent and the copolymer flow pattern regulator. The preparation method comprises the following steps: preparing a polycarboxyl zwitterionic cross-linking agent, and carrying out polymerization reaction on an acrylamide monomer, a sulfonic monomer, alkyl methacrylate and the zwitterionic cross-linking agent to obtain the copolymer flow pattern regulator. The copolymer flow pattern conditioning agent provided by the invention is a hydrophobic cross-linked high-temperature-resistant flow pattern conditioning agent, the temperature resistance can reach 240 DEG C, the NaCl salt resistant concentration is up to 15%, the viscosity retention rate is 80% or above, and the copolymer flow pattern conditioning agent has excellent rheological property after high-temperature aging and has wide application prospects in the field of high-temperature-resistant water-based drilling fluids.

The invention discloses a high-temperature-resistant cleaning type spacer fluid, and relates to the technical field of oilfield development and drilling, and the spacer fluid comprises the following components in parts by weight: 0.2-3 parts of a mixture of xanthan gum and modified diquat, 2-15 parts of an efficient cleaning agent, 0.5-5 parts of an anti-pollution agent, 0.2-3 parts of a dispersant, 0.1-0.5 part of a defoaming agent, 0.5-5 parts of ultrafine powder, 30-80 parts of a weighting agent and 25-90 parts of water. The spacer fluid has good compatibility with cement paste and drilling fluid, can keep stable performance at a high temperature of 220 DEG C, and has a good flushing effect.

The invention provides a tracer agent for an oil field and a method for evaluating oil production contribution of each section of a horizontal well, and belongs to the technical field of oil field development. The tracer agent for the oil field, provided by the invention, is prepared from white oil, a nonionic surfactant, 3-allyloxy-2-hydroxy propanesulfonic acid sodium salt and alcohols; wherein the rare earth metal salt, the complexing agent and the sodium 3-allyloxy-2-hydroxy propanesulfonate form a complex; the complexing agent is a mixture of glycolic acid, triethylene tetramine and sodium dimercaptopropanesulfonate in a mass ratio of 10: (3-5): (1-2). The tracer agent for the oil field can stably exist under complex stratum conditions and can resist hypersalinity; in the process of evaluating the oil production contribution of each section of the horizontal well by using the tracer agent for the oil field, different types and different dosages of tracer agents are selected for different layer sections, so that the evaluation of the oil production contribution of each section of the horizontal well can be realized, and an effective basis is provided for subsequent refracturing.

The present application relates to the technical field of oil casing corrosion protection, and specifically to a marine anti-hydrogen sulfide and anti-carbon dioxide nickel-tungsten coating anti-corrosion oil casing and its preparation method. In the present application, the marine anti-hydrogen sulfide and anti-carbon dioxide nickel-tungsten coating anti-corrosion oil casing comprises a carbon steel pipe substrate, an inner anti-corrosion coating and an outer anti-corrosion coating, wherein the inner and outer anti-corrosion coatings both comprise a nickel-tungsten coating, an intermediate layer and a hybrid layer. The preparation method of the marine anti-hydrogen sulfide and anti-carbon dioxide nickel-tungsten coating anti-corrosion oil casing in the present application comprises the following steps: first, the carbon steel pipe substrate is pre-treated by cleaning and rust removal, and then the nickel-tungsten coating is coated; then the intermediate layer coating is uniformly coated on the surface of the nickel-tungsten coating, and finally the hybrid layer coating is uniformly coated on the surface of the intermediate layer. The marine anti-hydrogen sulfide and anti-carbon dioxide nickel-tungsten coating anti-corrosion oil casing prepared by the above method has excellent properties such as temperature resistance, wear resistance, impact resistance, corrosion resistance and self-cleaning.

The utility model relates to the technical field of cables, and provides a high-flame-retardant fireproof power cable, which comprises a plurality of cable cores, a filling layer is arranged among the cable cores, a protective layer and a sheath are sequentially arranged outside the filling layer from inside to outside, and each cable core comprises a conductor, a fireproof layer and an insulating layer which are sequentially arranged from inside to outside. According to the utility model, the internal temperature resistance and flame retardant performance of the cable are greatly improved, the conductors are effectively protected, the safety of the cable in a use place and the continuous power supply time when a fire disaster occurs are improved, so that emergency measures can be taken for rescue, and the safety of the cable is improved. Therefore, personal and property safety is guaranteed.

The present invention discloses a surface-reinforced aerogel composite material and a preparation method thereof. The prepared aerogel has the characteristics of light weight, high temperature resistance, low thermal conductivity, high strength, simple structure, etc., can withstand high temperatures, resist high-speed airflow scouring and exert excellent thermal insulation performance, and can be used as a thermal protection material in the aerospace field and other related fields. It can solve the problem that the structural strength of aerogel composite materials in the prior art is usually 2 to 3 orders of magnitude different from that of corresponding dense materials, and they cannot withstand high-speed airflow scouring on the surface of the fuselage of high-speed aircraft, and therefore cannot be used as heat-proof materials.

The invention discloses a polyarylether sulfone polymer and a preparation method and application thereof. The preparation method of the polyarylether sulfone polymer comprises the following steps: carrying out condensation polymerization on a bisphenol compound and a dihalogen diphenyl sulfone derivative, boiling, washing and drying to obtain polyarylether sulfone resin. According to the polyarylether sulphone resin disclosed by the invention, by introducing benzoyl, the conjugation degree of a main chain of a polymer is increased, and the rigidity of the main chain is improved, so that the polyarylether sulphone resin has good thermal stability and dimensional stability; meanwhile, the hydrophilicity of the resin is improved due to the increase of carbonyl. The development and utilization prospects in the fields of sewage treatment, gas separation, solid electrolyte, battery diaphragms and the like are very wide. The invention aims to provide a novel high-temperature-resistant hydrophilic polyarylether sulfone resin and a preparation method thereof, i.e., a benzoyl group is introduced into a main chain structure of polyarylether sulfone, so that the structural rigidity of a polymer is improved, and the hydrophilicity is increased.

The invention discloses a powder treating agent, two-component heat-conducting gel as well as a preparation method and application of the two-component heat-conducting gel. The powder treating agent is prepared by sequentially carrying out hydrosilylation reaction on D4H cyclotetrasiloxane, vinyl silane, olefin and phenyl vinyl silicone oil. Wherein the structural formula of the vinyl silane is Vi-Si-(OR1) 3, and OR1 is a methoxy group, an ethyoxyl group, a formyloxy group or an acetoxyl group; the structural formula of the olefin is # imgabs0 # 20 > = q > = 8; and Vi is vinyl. According to the powder treating agent disclosed by the invention, a polysiloxane polymer and a phenyl group are introduced, so that the powder treating agent has excellent temperature resistance, is not degraded and volatilized under the condition of long-time high-temperature aging, ensures that hardness and thermal resistance are not obviously increased and has excellent thermal stability, and when the powder treating agent is used in heat-conducting gel, the thermal stability of the heat-conducting gel is effectively improved, and the service life of the heat-conducting gel is prolonged. And the service life and the period of the electronic component are prolonged.

The invention discloses a mineral casting prepared based on modified epoxy resin. Diacid is used for modifying epoxy resin to enhance the temperature resistance of the epoxy resin. The compressive strength of the mineral casting and the bonding strength between the epoxy resin and the aggregate are enhanced in a manner of combining the curing agent and post-curing treatment; by adding the dispersed nano silicon dioxide into the epoxy resin, the damping ratio of the mineral casting is effectively improved, and the shock absorption performance of the mineral casting is enhanced.