52results about How to "Solve interface compatibility issues" patented technology

The invention discloses a metal wear resistant repairing composite coating material and a preparation method of the metal wear resistant repairing composite coating material, wherein the metal wear resistant repairing composite coating material comprises a main agent which is prepared by mixing a silane coupling agent, epoxy resin, diisoamyl naphthalene, silicon carbide particles, aluminium oxide powder and fumed silica, and a curing agent which is prepared by mixing a silane coupling agent, triethylenetetramine, N-aminoethyl piperazine, aluminium oxide powder and fumed silica. A two-component room temperature curing composite coating with good anti-corrosion performance and abrasive resistance is prepared by optimizing the performance of epoxy coating inorganic powder filled and modified with inorganic powder, the prepared wear-resistant coating has good bonding effect to the metal, the cured coating has excellent abrasive resistance and can be applied for building and repairing the inner layer of a liquid slurry delivery pump, and an anti-corrosion wear-resistant coating of blades, and building an anti-corrosion wear-resistant coating of the inner surface of a gas transmission pipeline, a powder transmission pipeline and a liquid transmission pipeline.

The invention belongs to the technical field of biomimetic materials, and particularly relates to a preparation method and application of a bionic gecko extremely progressive rigid-flexible gradient micro-column structure. According to the preparation method disclosed by the invention, a self-floating photoinitiator technology and gradient distribution of magnetic enhanced particles driven by a magnetic field are utilized, so that the preparation of a micro-column structure with an extreme mechanical gradient (the local elastic modulus is changed by more than three orders of magnitudes: (10MPa-10GPa) can be realized; meanwhile, one end of the micro-column array is a pure matrix, the other end of the micro-column array is highly mixed and filled with particles of different sizes, the middleof the micro-column array is gradually distributed according to particle sizes and concentration levels, the progressive gradient structure solves the problems of interface compatibility and matchingof rigid and flexible materials in the combining process, and the maximum length-diameter ratio of the composite micro-column with the stable structure is greatly increased.

A composite piezoelectric material prepared from piezoceramic powder, carbon black and asphalt and a preparing method thereof are provided. The composite piezoelectric material is prepared from 25-60 parts by weight of the asphalt, 2-5 parts by weight of the carbon black, 320-630 parts by weight of the piezoceramic powder and 1-10 parts by weight of an asphalt modifier. The problems of interfacial compatibility and difficult polarization processes are overcome. The composite piezoelectric material can provide electricity for monitoring systems, can be used as sensors, and is good in compatibility with road surfaces. Natural asphalt and petroleum asphalt have good compatibility and durable ageing resistance, thus largely improving pavement performance of the substrate asphalt. The piezoceramic-carbon black-asphalt composite material improves interfacial compatibility of the piezoceramic and the asphalt, reduces the polarization voltage of the composite piezoelectric material, and improves piezoceramic properties of the composite piezoelectric material.

The invention provides a method for preparing a nanometer ceramic particle doped PE diaphragm, belonging to the technical field of high-property membrane materials. The method for preparing the nanometer ceramic particle doped PE diaphragm comprises the steps of proportioning materials, extruding cast strips, synchronously drawing towards two directions, extracting, transversely stretching for enlarging and the like; as electrochemical inactive inorganic ceramic particles are added in a skeleton material of the PE diaphragm, the PE diaphragm has better compatibility with the electrodes of a lithium ion battery than the common battery diaphragm, the high-temperature resistance and the safety of the battery can be greatly improved, the absorbability of liquid electrolytes is good, the electrolyte filling time of the battery can be shortened,the internal resistance of the battery can be reduced, and the high-rate charging-discharging properties of the batteries can be improved, so that the charging-discharging cycle properties of the battery can be greatly improved.

The invention discloses a composite solid-state electrolyte, an all-solid-state lithium ion battery and a preparation method thereof. The composite solid-state electrolyte is composed of three layersof solid-state electrolytes with different components, and the composite solid-state electrolyte comprises an electrolyte coated on the negative electrode side, an electrolyte coated on the positive electrode side and a composite solid-state electrolyte located between the positive electrode electrolyte and the negative electrode electrolyte. In addition, an all-solid-state lithium ion battery isprepared through the solid electrolyte. Electrolyte which is not prone to electrochemical reduction and good in electrode interface compatibility is adopted to coat one side of the negative electrode,and electrolyte resistant to high voltage is selected to coat one side of the positive electrode, so the interface compatibility of the electrolyte and an electrode material is effectively improved,and the interface impedance is reduced; the solid electrolyte between the positive electrolyte and the negative electrolyte has relatively high ionic conductivity, so the ionic conductivity of the whole composite solid electrolyte is improved; meanwhile, the prepared all-solid-state lithium ion battery has excellent cycling stability and high safety.

A polylactic acid/polyadipate-butylene terephthalate (PLA/PBAT) modified material and a polyadipate-butylene terephthalate/thermoplastic starch (PBAT/TPS) modified material which can meet the blow molding requirement are prepared through melting reaction in a blending manner based on a multi-element blending modification technique of fully biodegradable materials; and a full-biodegrade three-layercoextrusion film is prepared by virtue of a multilayer coextrusion technique, the upper and lower layers are PLA/PBAT modified films, and the middle layer is a PBAT/TPS modifying film. The biology base content of the film can reach up to over 50%, the tensile strength is higher than that of a traditional PE film, the cost is relatively low, and the film has very important significances to the solving of ''white pollution'' problem and the promotion of the application of a full-biodegrade material in the field of waistcoat pockets.

The invention relates to a high-thermal-conductivity and high-electric-conductivity PC/ABS composite material and a preparation method thereof. The high-heat-conductivity and high-electric-conductivity PC/ABS comprises PC, ABS, a toughening agent, a graphite heat-conducting filler, a cellulose heat-conducting filler, a coupling agent, a main antioxidant, an auxiliary antioxidant and a lubricatingagent, wherein the graphite heat-conducting filler and the fiber heat-conducting filler are respectively subjected to polyvinyl alcohol coating modification and coupling agent modification treatment in advance; and blending, melting and extruding are carried out to obtain heat-conducting filler master batch, and the heat-conducting filler master batch is compounded with other raw material components. According to the high-heat-conductivity and high-electric-conductivity PC/ABS composite material, a multi-heat-conductivity and multi-electric-conductivity percolation network is constructed by compounding the graphite heat-conducting filler and the fiber heat-conducting filler, and the graphite heat-conducting filler and the fiber heat-conducting filler are subjected to surface chemical modification in combination with pretreatment of polyvinyl alcohol coating and coupling agent treatment; The electric conduction and heat conduction performance is effectively improved, and the impact resistance of the material can be enhanced.

The invention relates to a heat-dissipation coating with a phase-changing temperature adjusting function and a preparing method of the heat-dissipation coating. The heat-dissipation coating comprises phase-changing microcapsules, high thermal-radiation materials, epoxy resin and a curing agent, wherein the phase-changing microcapsules account for, by mass, 1%-10% of the epoxy resin, the high thermal-radiation materials account for, by mass, 3%-6% of epoxy resin, and the curing agent accounts for, by mass, 35%-45% of the epoxy resin. The heat-dissipation coating is constituted by the phase-changing microcapsules, the high thermal-radiation materials and epoxy resin, wherein the phase-changing microcapsules are large in latent heat of phase change, resistant to high temperature, environmentally friendly and free of pollution; meanwhile, silicon carbide, beryllium oxide, aluminum nitride and the like have the advantages of being high in thermal radiation capability and good in thermal conductivity, through the combination of both parties, the heat dissipation effect of the epoxy-resin-based heat-dissipation coating can be remarkably improved, and the internal temperature of coated equipment is lowered greatly.

The invention discloses a preparation method of a fiber-enhanced high temperature alloy composite material via in-situ generation, and belongs to the technical field of preparation of materials. The preparation method comprises the following steps of preparing the materials according to typical high temperature alloy components, and increasing the content of carbon element in proportioning, so asto increase the content of carbon; smelting by a vacuum electric arc furnace, so as to form fiber-shaped carbide, thereby obtaining the fiber-enhanced high temperature alloy composite material via in-situ generation. The preparation method has the advantage that the enhancing fibers directly grow in a high temperature alloy matrix, so as to obtain the composite material with a stable interface, thereby solving the problem of poor interface compatibility of the fiber-enhanced high temperature alloy composite material.

The invention relates to a preparation method of a polylactic acid-based nanocomposite film with high strength and barrier property. The raw materials of the composite film comprise polylactic acid, carbon nanotubes, a KH-550 silane coupling agent, nanofibrillated cellulose and ethanol. The polylactic acid-based nano composite film with high strength and barrier property is obtained through the preparation of a silane modifier, silanization modification of the nanofibrillated cellulose and solution casting and shaping of the polylactic acid-based nanocomposite film. The polylactic acid-based nanocomposite film has wide sources of raw materials and a simple preparation process, the production cost can be effectively reduced, and economic benefits can be effectively increased. More importantly, the agglomeration effect is improved after the modification of the carbon nanotubes and coating of the nanofibrillated cellulose, the interfacial compatibility between the polylactic acid, the carbon nanotubes and the nanofibrillated cellulose is better improved, and correspondingly the enhancement effect of the carbon nanotubes and the nanofibrillated cellulose on the polylactic acid is improved. Not only is the mechanical performance of the polylactic acid-based nanocomposite film improved significantly, but also the barrier property is greatly enhanced.

The invention discloses a method of forming a TiB2 particle-reinforced high-entropy alloy coating on titanium alloy. The method comprises the steps that a Co film, an Ni film and a Cr film are formedon the surface of a titanium alloy substrate in advance in sequence, then Co, Cr, Cu, Fe, Ni, Mo, Mn and TiB2 mixed powder covers the titanium alloy substrate with the pre-formed film in a fusion mode, and therefore the TiB2 particle-reinforced CoCrCuFeNiMoMn high-entropy alloy coating can be obtained. The coating which is obtained according to the method has the advantages of being high in wear resistance and high in oxidation resistance.

The invention provides a communication method of a BBU (Building Base band Unit) and an RRU (Radio Remote Unit) and a base station. The communication method comprises the following steps of upgrading an old protocol installed on multiple RRUs, which are connected in series step by step and are connected with an auxiliary BBU based on the old protocol by the auxiliary BBU which is provided with the old protocol; disconnecting a first state RRU and the auxiliary BBU after the old protocol of the first state RRU is upgraded into a new protocol, and connecting the first state RRU to a main BBU which is provided with the new protocol; carrying out communication between the first stage RRU and the main BBU basing on the new protocol; and carrying out the communication between the main BBU and RRUs at different stages through the first RRU. According to the communication method and the base station, provided by the invention, through the upgrade, the interface compatibility problem between the main BBU and the RRUs is effectively solved, and the selectable range of the RRU is enlarged.

The invention relates to a synchronous reaction-based polymer/cement composite material structure electrolyte preparation method, and the method comprises: (1) weighing an organic polymer monomer, dissolving the organic polymer monomer in deionized water, and performing complete stirring to obtain an organic polymer monomer aqueous solution; (2) weighing an ionic electrolyte, adding the ionic electrolyte into the organic polymer monomer aqueous solution, and performing full stirring to obtain an organic polymer monomer electrolyte; (3) adding cement powder and an initiator into the organic polymer monomer electrolyte, and performing full stirring to obtain uniform slurry; (4) pouring the uniform slurry into a mold, performing hardening, molding, curing and demolding to obtain the solid block structure electrolyte, namely the target product. Compared with the prior art, the polymer/cement composite material structure electrolyte has the advantages that the good interface compatibility of a structure phase and a conductive phase in the structure electrolyte is improved, and meanwhile, the comprehensive balance of mechanical properties and electrical properties is also realized.

The invention belongs to the technical field of high polymer materials, and discloses a hydrolysis-resistant reinforced flame-retardant PA6-POK alloy material and a preparation method thereof. The hydrolysis-resistant reinforced flame-retardant PA6-POK alloy material comprises the following components in parts by weight: 40-70 parts of nylon resin, 15-45 parts of polyketone resin, 10-20 parts of aflame retardant, 3-10 parts of a synergistic flame retardant, 3-8 parts of an interface modifier, 25-45 parts of glass fibers, 0.4-0.7 part of an antioxidant and 0.4-0.8 part of a lubricant. Comparedwith the prior art, the PA6-POK alloy material has the characteristics of low water absorption, high wet volume resistivity, small warping, excellent water resistance and the like, and the mechanicalproperties of the PA6-POK alloy material can be comparable with those of reinforced flame-retardant PA6, so that the PA6-POK alloy material has wider application fields than reinforced flame-retardant PA6, and can be used for electronic and electrical parts in high-temperature and high-humidity environments.

The invention belongs to the technical field of a macromolecular dielectric material, and discloses a high-intensity high-temperature-resistant polymer-based dielectric thin film and a preparation method thereof. Graphene oxide is subjected to chemical grafting by 4-aminophenoxyl-o-phthalonitrile; cyan functional graphene is obtained; the continuous ultrasonic and high-speed ball milling precipitation technology is used for obtaining the uniformly dispersed crosslinking poly (arylene ether nitrile)/ cyan functional graphene ultrafine powder; a composite thin film with the controllable thickness and dimension is obtained in a fusion pressing film forming mode. The composite thin film provided by the invention has ultrahigh heat-resistant performance (Tg is higher than 360 DEG C), high mechanical strength (the stretch intensity is higher than 450 MPa, and the modulus is higher than 4.5GPa) and excellent toughness; the dielectric constant is 11 to 28.5; the dielectric loss is 0.02 to 0.045. The composite material belongs to a polymer-based composite dielectric material and can be applied to the technical field of dielectric energy storage as a dielectric thin film.

The invention discloses a green biomass packaging material and a preparation method thereof. The biomass packaging material is prepared from the following components in parts by mass: degradable resin, ramie fiber, reed fiber, orange peel powder, silk, micro Crystalline Cellulose PH‑105, Graphite Fluoride, Urea, Sodium Ascorbate, Magnesium Stearate, Tall Oil, Pentaerythritol Esters, Polyethylene Oxide, Beta‑Diketone. The biomass packaging material prepared by the present invention is not only green and environmentally friendly, but also solves the problem of interfacial compatibility between materials to a certain extent through reasonable material selection and proportioning, and the test results show that the prepared packaging material has mechanical properties and The degradation properties are good and have good market application prospects.

The invention discloses a high-temperature-resisting Y containing lead-lithium alloy with an extremely low machining hardening rate and a machining technology of the high-temperature-resisting Y containing lead-lithium alloy. The high-temperature-resisting Y containing lead-lithium alloy comprises components including, by weight percent, 0.8 wt.%-1.5 wt.% of Li, 0.3 wt.%-0.5 wt.% of Y, 0.2 wt.%-0.4 wt.% of Nb, 0.5 wt.%-0.8 wt.% of Ge, 0.3 wt.%-0.5 wt.% of W, 0.2 wt.%-0.3 wt.% of Te and the balance lead. The lead-lithium alloy has the extremely low machining hardening rate and excellent high-temperature performance. The performance exceeds a traditional shielding material lead alloy, and the high-temperature-resisting Y containing lead-lithium alloy is widely applied to the military and civil fields.

The invention belongs to the technical field of anticorrosive materials in a marine environment, and particularly relates to an FG-coated MOF composite material, a coating containing the composite material, and preparation methods and application of the composite material and coating. The preparation method of the coating comprises the following steps: dispersing FG in absolute methanol, carryingout ultrasonic oscillation, adding a metal salt and an imidazole ligand into an FG methanol dispersion liquid, conducting stirring to obtain a turbid liquid, carrying out centrifugal separation to obtain a solid, alternately conducting washing with methanol and deionized water, and carrying out vacuum drying to obtain an FG-coated MOF composite material; and mixing epoxy resin, the FG-coated MOF composite material and a diluent, carrying out ball-milling stirring, adding a curing agent, and conducting uniform mixing to obtain a composite coating. A composite coating layer is obtained by coating the surface of a pretreated metal matrix with the composite coating, and conducting drying and curing. The epoxy resin is modified by the FG-coated MOF composite material, so that an imidazole ringin the composite material is chemically bonded with the epoxy resin, the problem of interfacial compatibility between the FG and the epoxy resin is solved, and the corrosion resistance and the mechanical property of an epoxy resin coating are improved.