35results about How to "Solve temperature resistance" patented technology

The invention provides a functional polymer with surface activity as well as a preparation method and application thereof. The functional polymer with surface activity contains a structural unit A, a structural unit B and a structural unit C, wherein the structural unit A has a structure as shown in a formula (1) in the specification; the structural unit B has a structure as shown in a formula (2) in the specification; the structural unit C has a structure as shown in a formula (3) in the specification; based on the weight of the polymer, the content of the structural unit A is 50-88wt%; the content of the structural unit B is 10-40wt%; the content of the structural unit C is 2-10wt%; the viscosity-average molecular weight of the polymer is 6-12 million. The functional polymer with surface activity has good temperature and salt resistance and a capability of thickening water media. The polymer oil displacement agent is applicable to oil reservoirs with low to medium permeability and high-temperature and high-salinity oil reservoirs and can conduce to further enhancing the oil recovery in tertiary oil recovery.

The invention relates to a 0.002 mm temperature-tolerance decoration foil and a preparation method thereof. The decoration foil is characterized by being made by adding 0.10-0.20 percent by weight of Cu element on the basis of 8011 alloy. The preparation method comprises the following process procedures: cold-rolling a cast-rolling plate into 0.44-0.85 mm from 6.0-10.0 mm, adopting an H22 status for interannealing, cold-rolling to 0.28-0.60 mm, foil-rolling to reach a finished thickness of 0.022 mm, and slitting, wherein the H22 status annealing process comprises the following steps: adopting a burner-gas temperature controlling way for annealing, namely, charging below 100 DEG C, heating 1.5 hours till the temperature reaches 350-450 DEG C, and preserving the temperature for 5-15 hours; cooling for 0.5 hour till the temperature reaches 320-380 DEG C, preserving the temperature for 5-15 hours, cooling for 1.5 hours till the temperature reaches 200 DEG C, and discharging; and achieving the total processing ratio being more than 95 percent after interannealing. The invention has good temperature tolerance and stable quality.

The invention discloses an adhesive for laminated steel and belongs to the field of adhesives. The adhesive is prepared from the following raw materials: polyester polyol, 4,4'-diphenylmethane diisocyanate, an environment-friendly organic solvent, gamma-epoxypropoxypropyltriethoxysilane and a bisphenol A type epoxy resin, and has the synthesized solid content of 50 to 60 percent, the viscosity of3,000 to 5,000 mPa.s and the hydroxyl value of 10 to 20 mgKOH/g after reaction, wherein the polyester polyol is prepared from m-phthalic acid, 1,2 propylene glycol, adipic acid and neopentyl glycol through once esterification and polycondensation. The adhesive has the advantages of good temperature and corrosion resistance, a cup drawing test for the laminated steel product shows that the laminated steel product is unwarped at 8mm, and the problems that the conventional adhesive for the laminated steel has low temperature and corrosion resistance and the like are radically solved.

The invention relates to a crosslinked polybenzimidazole film containing sulfo group and a method for preparing the same. The invention is characterized in that the raw material proportions of the crosslinked polybenzimidazole film are as follows: (1) 10 proportions of 3,3',4,4'-tetraamino diphenyl ether by weight; (2) 5-10 proportions of aromatic triacid by weight; (3) 2-3 proportions of 1,2-naphthoquinone-4-ammonium sulphonate by weight; (4) 0.5-2 proportions of PEB by weight; (5) 100-200 proportions of organic solvent by weight; and (6) 200-300 proportions of polyphosphoric acid by weight. The film can effectively regulate the molecular weight of the branched polybenzimidazole and the structure of the crosslinked film by controlling the raw material proportions. The obtained polybenzimidazole has excellent solubility as well as higher thermal stability, better transparence, excellent corrosion resistance and high proton conduction rate, and the like.

The invention provides an interface-enhancement emulsion type sizing agent used for carbon fibers, and a preparation method thereof, and belongs to the technical field of carbon fiber sizing agents. The sizing agent comprises a main slurry, an emulsifier, a coupling agent and deionized water, the main slurry comprises polyaryletherketone resin and an organic solvent according to a mass percentage ratio of (5-30):(70-95), the mass of the emulsifier is 5-20% of the mass of the main slurry, the mass of the coupling agent is 1-10% of the mass of the main slurry, and a mass percentage ratio of the deionized water to the main slurry is (60-90):(10-40). The polyaryletherketone resin having a high heat stability is used as the main component to prepare the emulsion type sizing agent for carbon fibers, so the temperature tolerance problem of the sizing agent is solved; and the polyaryletherketone resin has good compatibility with epoxy resin, and can participate in the curing reaction of the epoxy resin, so the bonding performance of the epoxy resin and the fibers is greatly improved, thereby the interlace shearing strength of a composite material is improved.

The invention relates to a method for producing diode lighting device and relative structure. Wherein, said method comprises that combining the base with diode chip, wire setting and covered lighting layer on the mould filled with lens resin, or setting at least two pour holes on the base to combine the base and mould; then filling the lens resin via said pour holes into the mould. The invention can effectively improve the combine efficiency between lens and base; and the main body of lighting device is made from metal with better thermal conductivity, to improve radiate area.

The invention relates to an anticorrosive paint which comprises epoxy resin, carbon substances, metal and oxides thereof, a flame retardant, a heat insulating material, additives, a mixed solvent and a curing agent substance, wherein the epoxy resin is flame-retardant epoxy resin which is an additive flame-retardant epoxy resin formed by combination of common epoxy resin and the flame retardant or a reactive flame-retardant epoxy resin formed by combination of flame-retardant epoxy resin with a flame-retardant element and an inorganic flame retardant.

The invention provides a high-temperature-resistant and rainfall-erosion-resistant wave transmission antenna housing and a preparation method thereof. The high-temperature-resistant and rainfall-erosion-resistant wave transmission antenna housing comprises an antenna housing body and a rainfall-erosion head, wherein the rainfall-erosion head is connected to the antenna housing body through a high-temperature-resistant wave transmission adhesive; the high-temperature-resistant wave transmission adhesive comprises epoxy-modified organic resin, mica powder, fumed silica, a silane coupling agent and an imidazole curing agent; the mica powder, the fumed silica, the silane coupling agent and the imidazole curing agent are sequentially added to the epoxy-modified organic resin. According to the high-temperature-resistant and rainfall-erosion-resistant wave transmission antenna housing, a special intermediate-temperature normal-pressure curing type high-temperature-resistant wave transmissionadhesive is adopted, so that the rainfall erosion head and the housing body can be adhered in high temperature environment; the temperature resistance and reliability of the rainfall erosion head andthe housing body in connection are ensured; and the influence of the mounted rainfall erosion head on the electric performance of a wideband antenna housing can be overcome.

The invention relates to the application field of PMMA, in particular to a PMMA ultrathin hot melt adhesive film as well as a production method and application thereof. The hot melt adhesive film is mainly used in a traffic reflective film, and overcomes the defects that an existing hot melt adhesive film has unstable residual melting, poor high-temperature resistance, poor weatherability, and thelike. The hot melt adhesive film is prepared from the PMMA, methyl methacrylate-butadiene-styrene terpolymer, rutile type titanium dioxide and a tackifier, and the weight percentages are 80% to 90% of the PMMA, 3% to 10% of the methyl methacrylate-butadiene-styrene terpolymer, 3% to 10% of the rutile type titanium dioxide, and 1% to 10% of the tackifier. The production method and an application process of the PMMA ultrathin hot melt adhesive film are shown in the figures. The production method comprises the steps of mixing, granulation, extrusion calendering and lamination.

The invention belongs to the field of aviation material composites and in particular relates to a manufacture method of a high-temperature resistant glass reinforced plastics mould. Due to the adoption of a glass fiber reinforced polymer based composite technology, the manufacture of a large composite part forming tool can be realized; a glass reinforced plastic forming mould which meets the cost requirement and the usage requirement is manufactured. The invention discloses a low-cost glass reinforced plastic mould capable of being cured and demoulded at 100 DEG C and resisting a temperature of 160 DEG C, so that the rigidity and the temperature resistance of the mould can meet the use requirement; meanwhile, the mould is low in cost and light in weight, and can be used repeatedly; the technical problems of temperature resistance and high cost of a large aviation composite product forming mould can be solved.

The invention discloses a hot air type combustor. The hot air type combustor comprises a fuel butterfly valve, an air ventilation door, an adjusting mechanism assembly, a cooling air inlet and a combustor shell. The combustor shell comprises an outer shell body, an inner shell body and non-asbestos alumina silicate fiber cotton. An ignition needle device comprises an ignition needle and a ceramic bar installed outside the ignition needle. The bottom of the air ventilation door is connected with a ventilation door assembly. The ventilation door assembly comprises a ventilation door frame, a ventilation door shaft, a temperature sensor and a servo adjusting motor. The combustor shell is further provided with a fire detection thermal insulation sleeve. The fire detection thermal insulation sleeve comprises a flame monitor and a thermal insulation glass cover. A combustion head adjusting barrel assembly is arranged behind the fuel butterfly valve and comprises an air pressure adjusting barrel, an adjusting pull rod and a fuel gas mixing head. The hot air type combustor achieves the aim of temperature resisting of the ignition needle and the flame monitor, the temperature of the outer surface of the combustor is reduced, and pressure adjustment on the ventilation door and the fuel combustion head of the combustor can be automatically carried out along with the temperature change.

The invention provides a heavy oil recovery method integrating heat injection oil production and mechanical oil production. The method includes the following concrete steps: S1. performing preparationwork; S2. placing a combined heat injection pipe column in a wellbore; S3. after placing the combined heat injection pipe column, installing an oil production tree, and implementing a heat injectionprocess after installing the oil production tree; S4. performing self-spraying production, measuring the temperature of produced fluid, and providing a basis for subsequent selection of a temperatureresistance level of a mechanical plucking machine tool; S5. placing the mechanical plucking machine tool; and S6. performing mechanical plucking. According to the method, the wellbore and a heat injection pipe column with large diameter are first placed, and then heat injection is performed; after the heat injection and the self-spraying production are completed, the heat injection pipe column isnot required to be moved, the oil production tree is not required to be removed, the mechanical plucking machine tool only needs to be connected by a continuous oil pipe, the mechanical plucking machine tool is sent to a predetermined position seat seal in the heat injection pipe column, then the mechanical plucking can be achieved, and so, the contradiction between temperature resistance of the mechanical plucking machine tool and high temperature of the heat injection oil production is solved well under existing technical conditions, and an important technical means is provided for development of heavy oil.

The invention relates to the technical field of insulated cable production, and particularly discloses a polyvinyl chloride cable composite material and a preparation method and application thereof, and the polyvinyl chloride cable composite material comprises the following raw materials: polyvinyl chloride resin, a plasticizer, nano calcium carbonate, a stabilizer, MBS resin, calcined kaolin, argil, a flame retardant and butyl stearate. Through reasonable use of various raw materials, compared with an insulation protection layer prepared from rubber, the wear resistance and the temperature resistance can be effectively improved, and the problem that an existing insulation cable cannot have good wear resistance and temperature resistance when rubber is adopted as an insulation material is solved. Moreover, the preparation method of the polyvinyl chloride cable composite material provided by the embodiment of the invention is simple, other types of insulating materials can be prepared for preparing insulated cables, and the polyvinyl chloride cable composite material has a wide market prospect.

The invention provides a roller kiln and a working method thereof. The roller kiln comprises an injection mixer, a high temperature waste heat air duct, an injection burner and a waste heat air system; the roller kiln is divided into a preheating section, a firing section and a cooling section along the direction of movement of products; the injection mixer is arranged on the cooling section; the injection burner is arranged on the firing section; the high temperature waste heat air duct is communicated with the cooling section and the firing section; the waste heat air system is arranged at the top of the firing section and the top of the cooling section; the injection mixer is of a concealed venturi tube structure and the injection burner is of a concealed venturi tube structure. According to the roller kiln and the working method thereof, the injection mixer which is of a venturi tube structure is added into the roller kiln so as to directly suck the high temperature waste heat air of a cooling zone of the roller kiln to be pressurized and conveyed to the injection burner of a firing zone and accordingly the high temperature waste heat is well utilized, the sufficient burning is ensured, the energy is saved, and the production workshop environment is improved.

The invention relates to a down-hole video instrument, in particular to a photoelectric composite cable instrument for oil-and-gas well logging. The down-hole video instrument is mainly used for detecting whether a pipe is deformed and corroded or bubbling due to casing damage, and finishing fallen things, especially used in worse environments of the sea or oil-and-gas wells. The down-hole video instrument includes a pressure bearing outer pipe and a hollow lower joint, the lower joint is connected to one end of the pressure bearing outer pipe, and the end connected the pressure bearing outer pipe and the lower joint is the tail end of the pressure bearing outer pipe. According to the down-hole video instrument, the structure is simple, the pressure bearing outer pipe bearings high pressure of working environments, external high pressure transmitted to an image sensor in an axial direction through a lens is alleviated, the image sensor is a heating source, heat is transferred to an endothermic body by a regulating casing, and image sensor failure due to excessive temperature is avoided.

The invention discloses an epoxy resin binder as well as a preparation method and application thereof. The epoxy resin binder is obtained by mixing and curing a component A and a component B, the component A is prepared from the following components in parts by weight: 100 parts of epoxy resin, 18 to 40 parts of phenolic resin, 5.5 to 14 parts of resorcinol, 3.5 to 16.5 parts of toughening agent, 15 to 45 parts of inorganic modified filler and 0.5 to 2.5 parts of reinforcing agent; the component B comprises a first curing agent and a second curing agent, and the weight ratio of the first curing agent to the second curing agent is (2-12): (0.5-2.5). The bonding strength of the epoxy resin adhesive at normal temperature is 25 MPa or above, the bonding strength is 12 MPa or above after the epoxy resin adhesive is kept at 200 DEG C for 10 minutes, the bonding strength is 6 MPa or above after the epoxy resin adhesive is kept at 280 DEG C for 10 minutes, and the problem of temperature resistance of the epoxy resin adhesive at the temperature of 250 DEG C or above within a short time can be solved.

The invention discloses a nylon 12 extrusion coating material for a new energy automobile, which comprises the following components: nylon 12 with 100 parts by weight of nylon 12, 50-60 parts of butadiene, 0.1-1 part of a modification additive, 5-8 parts of polytetrafluoroethylene powder, 5-25 parts of an EVA copolymer, 1-5 parts of mica powder, 2-5 parts of a wear-resistant agent, 2-3 parts of a POE elastomer and 0.2-1 part of silicone powder. The preparation method of the nylon 12 comprises the following steps: 1) preparing materials and weighing: sequentially preparing 100 parts by weight of nylon 12 and 50-60 parts by weight of butadiene; the silicone powder is selected to improve the flowability and the processability of the material, and the EVA copolymer, the polytetrafluoroethylene powder, the mica powder and the POE elastomer are selected as materials for improving the temperature resistance and the processability, so that the material has the advantage of good temperature resistance; the problems that the temperature resistance and the processability of an existing nylon 12 extrusion coating material are effectively improved, metal pieces such as copper, iron and aluminum cannot be effectively coated, and the existing nylon 12 extrusion coating material is not suitable for long-term use in a high-temperature environment are solved.

The invention relates to a pressure-bearing supporting type heat exchanger. The pressure-bearing supporting type heat exchanger comprises a heat exchanger body, the heat exchanger body is formed by assembling a first clamping plate, a second clamping plate and a heat exchange plate bundle, and the heat exchange plate bundle is formed by superposing a plurality of pressure-bearing supporting framework combination units. Each pressure-bearing supporting framework combination unit is formed by assembling a pressure-bearing supporting framework and heat exchange plates arranged on the upper face and the lower face of the pressure-bearing supporting framework. Under the condition that the body structure of the heat exchange equipment is not changed, the purpose and the function of the equipment can be changed by additionally arranging end sockets required by the working condition at the two ends, so that the heat exchanger is manufactured in an integrated manner and assembled and maintained in a modular manner, the manufacturing cost is reduced, the manufacturing, assembling and maintaining efficiency is improved, and the service cycle of the equipment is prolonged.

The invention provides a functional polymer with surface activity, a preparation method therefor and application of the functional polymer with surface activity. The functional polymer with surface activity contains a structural unit A, a structural unit B and a structural unit C, wherein the structural unit A is a structural unit represented by a formula (1) shown in the description, the structural unit B is a structural unit represented by a formula (2) shown in the description, the structural unit C is a structural unit represented by a formula (3) shown in the description; and based on the weight of the polymer, the content of the structural unit A is 59-79wt%, the content of the structural unit B is 20-40wt%, the content of the structural unit C is 0.1-1wt%, and the viscosity average molecular weight of the polymer is 5,000,000 to 15,000,000. The functional polymer with surface activity has good surface activity, high apparent viscosity and good heat resistance and salt resistance; and oil displacement agents of this kind are applicable to medium-/low-permeability oil reservoirs, high-temperature oil reservoirs and high-temperature and high-salt oil reservoirs and can be used for further increasing oil recovery factor in tertiary oil recovery.