42 results about "Chemical compatibility" patented technology

The invention discloses an yttrium-doped gradient structure environmental barrier coating and a preparation method and application thereof, the yttrium-doped gradient structure environmental barrier coating comprises a substrate, a Si-HfO2-Y bonding layer, a Yb < 2-x > Y < x > Si2O7 intermediate layer, a y > Yb < 1.6 > Y < 0.4 > DS-(1-y) Yb < 1.6 > Y < 0.4 > MS transition layer and a Yb < 2-z > Y < z > MS environmental barrier layer which are sequentially arranged, x is 0 to 1.2, y is 0.55 to 0.85, and z is 0.2 to 1.0. In the multi-layer structure of the yttrium-doped gradient structure environmental barrier coating, a continuous yttrium-doped gradient structure is formed, so that the thermal expansion coefficient of each layer in the continuous yttrium-doped gradient structure environmental barrier coating is increased in a gradient manner, the layers have good chemical compatibility, and the continuous yttrium-doped gradient structure environmental barrier coating can stably serve for a long time in the temperature range of room temperature to 1450 DEG C.

The invention relates to the technical field of surface treatment, and discloses an aluminum alloy surface treatment method and an aluminum alloy material.The aluminum alloy surface treatment method comprises the steps that S1, an aluminum alloy matrix is subjected to deoiling, alkali washing and electric polishing, and a pretreated aluminum alloy matrix is obtained; and S2, a porous aluminum oxide layer is formed on the surface of the pretreated aluminum alloy base body through laser combined machining, a boss dot matrix is formed at an orifice of the porous aluminum oxide layer through reverse dissolution and heterogeneous particle deposition, a composite aluminum alloy base body is obtained, and laser combined machining is combined machining of laser etching and anodic oxidation. According to the aluminum alloy surface treatment method and the aluminum alloy material, the meshing effect of pore channels and bosses is formed, surface energy and acid-base Lewis sites are regulated and controlled through component and crystalline phase heterogeneous sites, interface chemical compatibility and heat and humidity resistance stability are improved, meanwhile, pore blocking caused by a continuous film is avoided, and therefore the specific surface area, interface energy and stability are improved, and the service life of the aluminum alloy material is prolonged. And the aluminum alloy surface with high bonding strength is formed.

The application discloses a kind of glass powder for electroplated silver paste, and chemical composition includes: SiO2 30~40%, TiO2 10~20%, B2O3 10~20%, SrO 5~10%, MgO 5~10%, ZnO 5~10%, BaO 1~10%, Na2O2~8%, Al2O3 1~5% by mass percentage.The silver paste glass powder has a suitable softening temperature, strong crystallization ability, excellent acid resistance, and has a matching thermal expansion coefficient and chemical compatibility with the ceramic substrate;The silver electrode made of the glass powder can complete the electroplating process well, and can achieve excellent adhesion strength between the silver electrode and the ceramic substrate, and is suitable for popularization and application.

The invention belongs to the technical field of fluid conveying pipelines, and particularly relates to a preparation method of an anti-permeation composite high-molecular perfluoropolymer braided hose, the anti-permeation composite high-molecular perfluoropolymer braided hose sequentially comprises a modified PTFE inner pipe and a stainless steel single-braided reinforcing layer from inside to outside, the modified PTFE inner pipe is prepared by mixing a PTFE raw material and a modification auxiliary agent and then performing preforming, sintering and extruding processes, and the stainless steel single-braided reinforcing layer is prepared from the modified PTFE inner pipe and the stainless steel single-braided reinforcing layer. The modification additive is a nano filler and a cross-linking agent, and the stainless steel single-woven reinforcement layer is formed by weaving stainless steel wires. The prepared composite hose has the characteristics of excellent corrosion resistance, high pressure resistance, high flexibility, long fatigue life and permeation resistance at the same time, can be used for occasions needing chemical compatibility and permeation resistance, ensures the pressure bearing capacity of the hose through the stainless steel single braid layer, protects the inner pipe from being abraded, and meets the fluid conveying requirements under extreme working conditions.

The invention relates to the technical field of polyethylene high polymer materials, and particularly discloses a high-strength polyethylene material for water supply engineering and a preparation method of the high-strength polyethylene material. The high-strength polyethylene material for the water supply engineering comprises the following components in parts by weight: 100 parts of high-density polyethylene, 20-30 parts of a modified ethylene-alpha olefin copolymer, 2-5 parts of an ethylene-glycidyl methacrylate copolymer, 1-2 parts of an antioxidant and 2-3 parts of a lubricant, the modified ethylene-alpha olefin copolymer is prepared by the following steps: carrying out melt blending extrusion on an ethylene-alpha olefin copolymer and a pore-foaming agent, putting a molded blend into deionized water, continuously soaking for 12-16 hours, taking out and drying. Through the synergistic effect of physical modification and chemical compatibility, the prepared polyethylene material has excellent toughness, strength and environmental stress cracking resistance, and is especially suitable for water supply pipes.

The invention provides a glass fiber impregnating compound which comprises effective components and water, and the solid content of the impregnating compound is 6.0-8.0%. The effective components comprise a silane coupling agent, a film-forming agent, a lubricant, a wetting agent, an antioxidant, a heat-resistant stabilizer, an anti-sulfide additive and a pH value regulator; the impregnating compound has good chemical compatibility and permeability, yarns have good bundling property and low hairiness, and the impregnating compound is especially suitable for a pultrusion process. The glass fiber yarn produced by adopting the impregnating compound is suitable for the fields of preparation of sucker rods, offshore oil production platform equipment brackets, structural brackets in various chemical corrosion environments and the like.

The invention relates to a chemical compatibility analysis method and device, computer equipment and a storage medium. The method comprises the following steps: pre-constructing a reaction database, a storage database and a packaging database; obtaining a to-be-analyzed chemical; based on a reaction database, according to the first chemical and the second chemical, determining reaction compatibility between the first chemical and the second chemical; based on a storage database, determining storage compatibility between the first chemical and the second chemical according to the first chemical and the second chemical; based on a packaging database, determining a first packaging material and a second packaging material according to the first chemical and the second chemical; the first packaging material corresponds to the first chemical, and the second packaging material corresponds to the second chemical; and generating a chemical compatibility analysis report according to the reaction compatibility, the storage compatibility, the first packaging material and the second packaging material. By adopting the method, the compatibility of the chemicals can be efficiently and comprehensively analyzed.

The invention discloses a preparation method of a wear-resistant and stretch-resistant biaxial fiber fabric, belongs to the technical field of fiber fabric processing, and is used for solving the technical problem that the wear resistance and stretch resistance of the biaxial fiber fabric in the prior art need to be further improved. Then weaving, coating the surface, and finally curing and drying to obtain the wear-resistant stretch-resistant biaxial fiber fabric. The modified fiber disclosed by the invention is subjected to surface epoxy grafting modification, so that the wear resistance of the modified fiber is kept, the compatibility with other components is improved, and a wear-resistant basic framework is provided for a fabric; the modified coating agent forms a cross-linked network with the curing agent through the polyester polyol, a high-hardness wear-resistant coating is formed on the surface of the fabric in combination with the reinforcing effect of the modified filler, and the wear-resistant and tensile properties of the fabric are jointly improved through chemical compatibility and structural synergy of the polyester polyol and the curing agent.

The utility model belongs to the technical field of rings, in particular to a ring connecting structure, which comprises a base and a rabbet, a connecting rod penetrating through the base from outside to inside is arranged at the bottom of the rabbet, a connecting piece fixed with the penetrating part of the connecting rod is arranged on the inner side of the base, and the rabbet and the connecting piece are components made of the same material. The bottoms of the connecting rods are connected with the fixed base through welding with the connecting pieces, and the number of the connecting rods is at least two; the first connecting hole is matched with the connecting rod, an automatic positioning function can be achieved when the first connecting hole and the connecting rod are in butt joint, positioning is not needed during welding, only the first connecting hole and the connecting rod need to be kept in a pressed state, and welding difficulty is reduced; meanwhile, the rabbet and the connecting piece are made of the same material, so that the mechanical strength and chemical compatibility after welding are guaranteed, the overall strength is higher, and the appearance is attractive.

The invention relates to the technical field of coating, and discloses a high-adhesion plastic reflector and a preparation method thereof. The high-adhesion plastic reflecting mirror comprises a plastic substrate, and a TiAlN bonding layer, a Ti seed crystal layer and an Al reflecting layer which are sequentially deposited on the surface of the plastic substrate, c-N bonds, (C-O)-(Ti, Al, N) bonds and C-Ti and C-Al bonds are arranged between the TiAlN bonding layer and the plastic substrate, then, the chemical compatibility between TiAlN and the Ti seed crystal layer is high, Ti atoms can be slightly diffused into the TiAlN bonding layer, N atoms can also be slightly diffused into the Ti seed crystal layer, a thin and compact Ti-N reaction transition layer and a Ti-Ti metal bonding layer are formed, the adhesive force of the Ti layer can be greatly improved, and finally, the bonding strength of the Ti layer is improved. And the Al reflecting layer and the Ti seed crystal layer are tightly connected through a metal bond Ti-Al, so that strong adhesive force is obtained. According to the method, TiAlN, Ti and Al are sequentially deposited on the surface of the plastic substrate, the TiAlN located on the bottom layer can play a role of a bonding layer, and the TiAlN and the plastic surface can form a complex chemical bonding structure, so that the bonding force is improved.

The invention discloses a food containing high-purity alkaline compound vitamin C and a preparation process thereof, and belongs to the technical field of functional foods. The core is a microencapsulated particle prepared by using a liposome embedding technology, and the microencapsulated particle comprises alkaline vitamin C components such as sodium ascorbate and calcium ascorbate which are wrapped by a phospholipid bilayer; the shell layer is composed of foaming agents such as citric acid and sodium bicarbonate and flavor auxiliary materials. The process comprises the following steps: firstly, preparing lipidosome wrapped with vitamin C by adopting technologies such as high-pressure homogenization and the like, and then curing the lipidosome into microcapsule powder by adopting technologies such as spray drying and the like; performing wet granulation on the powder to obtain core particles; and finally, coating the shell powder on the surfaces of the inner core particles by adopting a powder coating process. Through dual protection of liposome embedding and core-shell physical isolation, the problem of chemical compatibility between an alkaline core and an acidic shell is fundamentally solved, the bioavailability of vitamin C is also improved, and meanwhile, the stability and excellent taste of the product are ensured.

The invention discloses an alumina fiber reinforced super-elastic zirconia-based ultra-high-temperature ceramic-based composite material and a preparation method thereof, and the preparation method comprises the following steps: mixing and grinding cerium oxide stabilized super-elastic zirconia and alpha-Al2O3 powder, carrying out compression molding, and sintering to obtain the alumina fiber reinforced super-elastic zirconia-based ultra-high-temperature ceramic-based composite material. The alumina fiber reinforced super-elastic zirconia-based composite material is innovatively provided, matrix crack propagation is inhibited through the fiber, phase change toughening of super-elastic zirconia is utilized to make up for insufficient high-temperature performance of the fiber, and the chemical compatibility advantage of the alumina fiber and the super-elastic zirconia is combined, so that a new thought is provided for a next-generation super-high-temperature thermal protection material.

The invention discloses a resin composition and application thereof. The resin composition comprises 50-180 parts of thermosetting resin, 10-50 parts of core-shell rubber or dispersion liquid thereof, 5-40 parts of polyolefin and 5-20 parts of thermoplastic polyimide resin. Wherein the thermoplastic polyimide resin has an average particle size of 1 to 10 [mu] m; the core-shell rubber has an average particle size of 0.1 to 10 [mu] m. The composition is endowed with the characteristics of low dielectric, high heat resistance and insulation through the thermosetting resin, the thermoplastic polyimide is introduced to improve the cohesive strength and modulus among the components and enhance the chemical compatibility and bonding strength with a CVL film, and the polyolefin and the core-shell rubber are matched to adjust the adhesive resistance and greatly improve the dielectric property and the bonding property, so that the adhesive property of the CVL film is greatly improved, and the service life of the CVL film is prolonged. The resin composition with excellent low dielectric, high heat resistance, low flowability and high cohesiveness is obtained, a prepreg with low dielectric, low gummosis and high cohesiveness is prepared, and the requirement for the field of rigid-flex printed circuit boards for high-speed signal transmission is met.

The invention discloses a submicron precision integrated filter material and a filter element with the same, the submicron precision integrated filter material is prepared by carrying out in-mold one-time pressure sintering molding on thermal bonding composite short fibers, and a three-dimensional labyrinth type net structure with high pore tortuosity is formed. According to the invention, the stable filtering precision of the fiber filter material is improved to a submicron level of 0.1-0.5 [mu] m from greater than or equal to 1 [mu] m in the traditional process, so that the intergenerational crossing of technical performance is realized; a unique short fiber random sintering structure is adopted, so that high filtration precision is realized, high porosity and relatively low pressure drop are maintained, and the tradeoff relation that precision and flux are difficult to obtain at the same time in a traditional filtration material is broken; according to the present invention, the traditional multi-process and intermittent production is changed into the one-shearing and one-burning two-step continuous or batch production, such that the expensive carding equipment, the expensive lapping equipment and the expensive other equipment are omitted, the production efficiency is high, the comprehensive cost is low, no chemical binder is introduced, the biological and chemical compatibility is good, and the method is suitable for various harsh scenes from terminal sterilization to high-purity chemical filtration.

The present application relates to an environmental barrier coating and a preparation method thereof, the coating comprises, from the substrate outward, a hafnium oxide modified silicon primer layer, which forms a high bonding strength with the substrate and improves the high-temperature oxidation and molten salt corrosion resistance by hafnium oxide modification; a lanthanum silicate transition layer, which realizes the gradient transition of the thermal expansion coefficient, relieves the thermal stress between the layers and optimizes the chemical compatibility of the primer layer and the surface layer; and a ytterbium silicate surface layer as the main thermal insulation layer, which is provided with a honeycomb-shaped pore microstructure on the surface and contains large pores with a pore size > 20 microns and micropores with a pore size < 5 microns. The structure promotes the rapid penetration and filling of the CMAS melt through the large pores to shorten the residence time and accelerate crystallization, and the micropores induce local supercooling through capillary action to form a dense barrier layer to block the penetration of the melt, and each layer is complementary in corrosion resistance, thermal shock resistance and CMAS protection, meeting the long-term stability requirements in extreme environments of 1200-1600 DEG C.

The invention belongs to the technical field of electric power engineering, and particularly relates to a composite layer material for a cable intermediate joint and a preparation method of the composite layer material. The composite layer material for the cable intermediate joint is composed of an inner semi-conductive layer, an insulating layer and an outer semi-conductive layer, the silicone rubber is prepared from the following raw materials: methyl vinyl silicone rubber, methyl phenyl vinyl silicone rubber, trifluoropropyl methyl vinyl silicone rubber, a vulcanizing agent, an assistant crosslinker, an accelerant, diphenyl silanediol, an anti-aging agent, trifluoropropyl cage type silsesquioxane, and a mixture of modified nano hydroxyapatite and nano hectorite. According to the composite layer material for the cable intermediate joint, the three layers adopt the consistent siloxane main chain structure and vulcanization system, interlayer chemical compatibility is ensured, synchronous co-crosslinking is achieved, and by adjusting the silicone rubber composition and proportion of all the layers, the composite layer material can be applied to the cable intermediate joint. And it is ensured that the prepared composite layer material for the cable intermediate joint has excellent mechanical and hydrophobic water-blocking performance.

A roofing membrane includes a thermoplastic polyolefin (TPO) layer and a polyvinyl chloride (PVC) layer. The TPO layer forms a bottom layer of the roofing membrane, and the PVC layer is positioned atop the TPO layer so that the PVC layer forms a top layer of the roofing membrane. The TPO layer and the PVC layer are configured to be chemically compatible so that the TPO layer and the PVC layer are chemically bonded and function as a single roofing membrane. Compatibilizing includes at least one of (i) adding a compatibilizing agent to at least one of the TPO material and the PVC material prior to extrusion and (ii) positioning at least one compatibilizing film, prior to bonding, between the TPO material and the PVC material.

The application discloses a kind of ceramic-carbonate dense two-phase inorganic membrane materials and preparation method thereof, fluorite phase, spinel phase precursor material is respectively prepared using sol-gel method, with two kinds of precursor material, pore-forming agent, binder as raw material through ball milling, moulding, heat preservation sintering fluorite-spinel type ceramic porous membrane support is obtained, then the even mixed two / three molten carbonate is immersed into porous ceramic membrane support using impregnation method, cooling to room temperature, ceramic-carbonate two-phase membrane is obtained, the two-phase inorganic membrane sheet structure compact is prepared by the method, two-phase chemical compatibility is good, no impurity phase is generated, and mechanical strength is high.

The present application relates to the technical field of titanium alloy investment casting process, in particular to a kind of shell layer slurry for investment casting and vacuum impregnation process method, comprising: 15~25% silicon yttrium composite sol and 75~85% zirconium dioxide powder;Wherein, the molar ratio of Y:Si in the silicon yttrium composite sol is 1:(1.2~1.8).The present application uses the low-cost surface layer slurry formulation of "zirconium dioxide powder+silicon yttrium composite sol", replaces traditional high-cost yttrium oxide material, reduces the cost of surface layer refractory material by about 40%, and forms Y2SiO5 high-temperature barrier layer using silicon yttrium composite sol, ensures the excellent chemical compatibility of shell and titanium liquid, significantly improves the economy of material, guarantees the surface quality of casting, avoids defects such as titanium inclusion and under-casting caused by interface reaction.

The application discloses a kind of bentonite-based control materials of rapid prototyping and preparation method, including the following raw materials are made: bentonite, fly ash, blast furnace slag and excitation agent, wherein, the mass ratio of bentonite and fly ash is 1:0.2-0.4, based on the total mass of bentonite and fly ash, the addition amount of blast furnace slag is 10-20%, and the addition amount of excitation agent is 13.33-16.69%.After water glass and sodium hydroxide are dissolved in water, the excitation agent is prepared by adding modifier, the excitation agent is added to the dry powder sample mixed with fly ash and blast furnace slag, stirring, stuffing, adding bentonite and stirring into shape.The application uses water glass, phosphate and the like as excitation agent, uses industrial solid waste as supplementary admixture for required calcium, silicon, aluminum and other elements, the obtained control material has good compressive strength, good chemical compatibility, can realize rapid control function, and the penetration performance is two orders of magnitude lower than the national standard requirement after maintenance for 7d.

The present application relates to the technical field of paint, in particular to a kind of high-temperature-resistant modified epoxy paint and preparation method thereof, comprising the following steps: under the protection of nitrogen, modified polysiloxane is added with amino-terminated hyperbranched polysiloxane, furfurylamine is obtained, functionalized polysiloxane is obtained, fluorine-containing biphenyl liquid crystal epoxy monomer is mixed with epoxy-based POSS, 4,4'-diaminodiphenyl methane and 2-ethyl-4-methyl imidazole are added, and pre-mixed resin is obtained, functionalized polysiloxane and bismaleimide are added into pre-mixed resin, after reaction, modified solvent is added to adjust viscosity, and high-temperature-resistant modified epoxy paint is obtained after filtration.The present application makes the chemical compatibility and blending of epoxy-based POSS and fluorine-containing biphenyl liquid crystal epoxy monomer in the molten state, makes POSS access to crosslinking network in the form of covalent bond, ensures the uniform distribution of POSS in coating from molecular level, and overcomes the technical difficulties of easy aggregation and poor dispersibility of POSS in traditional physical blending.

The invention discloses a tank monitoring device and a method for evaluating the chemical compatibility of a product contained in a tank. A tank monitoring device (9a) for monitoring a first tank (5a) containing a first product, the tank monitoring device (9a) comprising: a memory (24) configured to store chemical compatibility information about the first product; wireless communication circuitry (25); and a controller (27) configured to: receive, using the wireless communication circuitry (25), chemical compatibility information about a second product contained in the second tank (5b) from a tank monitoring device (9b) monitoring the second tank (5b); retrieving chemical compatibility information about the first product from a memory (24); determining that the first product is chemically incompatible with the second product based on the chemical compatibility information about the first product and the chemical compatibility information about the second product; and providing an indication that the first product is chemically incompatible with the second product.

The invention relates to the technical field of titanium alloy investment casting processes, in particular to shell layer slurry for investment casting and a vacuum slurry dipping process method, and the shell layer slurry comprises 15-25% of silicon-yttrium composite sol and 75-85% of zirconium dioxide powder; wherein the molar ratio of Y to Si in the silicon-yttrium composite sol is 1: (1.2-1.8). A low-cost surface layer slurry formula of zirconium dioxide powder and silicon-yttrium composite sol is adopted to replace a traditional high-cost yttrium oxide material, the cost of a surface layer refractory material is reduced by about 40%, meanwhile, a Y2SiO5 high-temperature barrier layer is formed through the silicon-yttrium composite sol, excellent chemical compatibility of a mold shell and a titanium solution is ensured, the economical efficiency of the material is remarkably improved, and meanwhile the service life of the mold shell is prolonged. And the surface quality of the casting is guaranteed, and the defects of titanium inclusion, insufficient casting and the like caused by interface reaction are avoided.

This invention relates to a method for fabricating a gadolinium oxysulfate X-ray scintillation screen based on a silicon microchannel array, as well as the X-ray scintillation screen and its applications, belonging to the field of X-ray imaging technology. It primarily addresses the technical problem of low resolution in existing X-ray scintillation screens. This invention fabricates a tetragonal silicon microchannel structure through photolithography, photoelectrochemical etching, and back-side thinning processes, fundamentally avoiding the problem of microchannel misalignment. The use of ALD tungsten film deposition and pulse electroplating for silver film deposition effectively reduces X-ray crosstalk. Furthermore, the good chemical compatibility between tungsten and silver ensures uniform silver film deposition without microchannel blockage, and the silver film possesses high reflectivity. Vacuum infusion is used to completely fill the microchannels with fluorescent material, avoiding the presence of air or other substances with significantly different refractive indices from the fluorescent material within the channels, and also solving the scattering and reflection problems caused by gaps between particles, effectively improving detection efficiency.

The application belongs to the technical field of electric power engineering, and particularly relates to a composite layer material for cable intermediate joint and a preparation method thereof. The composite layer material for cable intermediate joint is composed of an inner semi-conductive layer, an insulating layer and an outer semi-conductive layer. The insulating layer is composed of the following raw materials: methyl vinyl silicone rubber, methyl phenyl vinyl silicone rubber, trifluoro propyl methyl vinyl silicone rubber, vulcanizing agent, auxiliary cross-linking agent, accelerator, diphenyl silicone diol, anti-aging agent, trifluoro propyl cage type silsesquioxane, and a mixture of modified nano-hydroxyapatite and nano-laponite. The composite layer material for cable intermediate joint has a consistent siloxane main chain structure and vulcanization system in three layers, which ensures the chemical compatibility between layers and realizes synchronous co-crosslinking. By adjusting the composition and ratio of silicone rubber in each layer, the prepared composite layer material for cable intermediate joint has excellent mechanical and hydrophobic water-blocking properties.

This invention discloses a composite energy-saving insulating brick for alumina calcining furnace and its manufacturing method, relating to the field of alumina calcining technology. The insulating brick comprises an alkali-resistant functional layer and a microporous insulating matrix layer. The alkali-resistant functional layer, acting as a hot-surface protective layer, directly resists the erosion of Na2O alkaline vapors within the alumina calcining furnace, preventing alkaline vapors from penetrating into the inner microporous insulating matrix layer and reacting with its internal components to generate volume-expanding minerals. This prevents the microporous insulating matrix layer from pulverizing and sintering, thus permanently losing its insulating properties, and also avoids damage to the furnace lining working layer caused by expansion stress. Furthermore, the alkali-resistant functional layer is directly bonded to the microporous insulating matrix layer through a high-temperature sintering process, forming a bonding interface at the interface with component diffusion transition and microstructural interlocking characteristics, achieving good chemical compatibility and thermal stress matching between the two layers.

The invention relates to a carbon nanotube sensor applied to on-line manufacturing monitoring and a preparation method of the carbon nanotube sensor, and solves the problems that a traditional patch type sensor is poor in chemical compatibility, cannot monitor the forming process and the like. The carbon nanotube sensor comprises a matrix and a dispersion liquid attached to the matrix, the matrix is a polyimide flexible adhesive tape material resistant to the high temperature of 200 DEG C, the dispersion liquid comprises 0.1% by mass of a carbon nanotube, 3% by mass of triton and an aqueous solution, and the carbon nanotube is a multi-walled carbon nanotube with the inner diameter of 10 nm, the outer diameter of 20 nm and the length of 30 [mu] m. The preparation method of the carbon nanotube sensor comprises the step of forming a layer of 100 [mu] m two-dimensional micro-nano carbon sensing film on the surface of a polyimide flexible adhesive tape material by using a spraying system. The molding time and the rejection rate of the special phenolic composite material can be effectively reduced, and powerful guarantee is provided for the safety of equipment related to the special phenolic composite material and the product quality.

According to the high-performance electrolyte and the battery, a semi-solid electrolyte membrane which takes polyvinyl formal (PVFM) as a polymer matrix and introduces a two-component plasticizing system composed of diethylene glycol dimethyl ether (DEGDME) and a fluoro-ester compound is constructed, so that the electrolyte membrane keeps good mechanical flexibility, and meanwhile, the high-performance electrolyte has the advantages that the performance of the electrolyte membrane is improved, and the service life of the electrolyte membrane is prolonged. And the lithium ion battery has high lithium ion migration rate and chemical compatibility with the surface of the silicon-based negative electrode, so that the rate capability and the cycling stability of the battery are remarkably improved on the premise of not sacrificing the safety.

The application provides a positioning adhesive and application thereof. The positioning adhesive comprises a glue film substrate layer, a glue layer and a release film layer which are stacked in sequence; the glue film substrate layer comprises a base resin and a cross-linking monomer, and the base resin comprises a first ethylene-vinyl acetate copolymer and a polyolefin elastomer; the glue layer comprises a main body resin, and the main body resin comprises a second ethylene-vinyl acetate copolymer. The positioning adhesive of the application can be fully melted and fused with the glue film at the assembly laminating temperature, and the solid-solid interface formed due to the mismatch of the thermal expansion coefficients or the interface incompatibility of the traditional non-meltable substrate during the lamination process is completely eliminated, so that the generation and accumulation of bubbles are inhibited. The chemical compatibility and cross-linking synergy of the glue layer and the glue film substrate layer strengthen the interlayer bonding strength, avoid the interface delamination problem caused by long-term thermal cycling or damp-heat aging after lamination, and solve the problems of interface delamination and bubble residue caused by poor material compatibility during the lamination process in the assembly packaging process.

The utility model provides a CVD diamond hard disk substrate structure which comprises a base layer, a buffer transition layer is deposited on the surface of the top of the base layer through magnetron sputtering, a CVD diamond layer is arranged on the top of the buffer transition layer, a nano-structure modified layer is arranged on the top of the CVD diamond layer, and the nano-structure modified layer is arranged on the surface of the top of the base layer. A heat dissipation enhancement layer is welded to the bottom of the substrate layer through laser; according to the CVD diamond hard disk substrate structure, the buffer transition layer provides chemical compatibility with the base layer, the diamond nanorods reduce the actual contact area, and the friction coefficient is reduced from 0.2 to 0.05; the adsorption capacity of lubricating oil is enhanced, and the retention time of a perfluoropolyether lubricating film is prolonged by 3 times; the heat dissipation enhancement layer reduces the read-write hot spot temperature; a covalent bond is formed by the perfluoropolyether lubricating film, the fluorine-containing group and a surface hydroxyl group (-OH) of the CVD diamond layer; the contact angle is increased from 80 degrees to 110 degrees, and water vapor adsorption is reduced.