220results about How to "Improve interface performance" patented technology

The invention relates to the technical field of epoxy resin composite materials, in particular to an epoxy resin-based composite material and a preparation method thereof. The epoxy resin-based composite material comprises modified carbon fibers and an epoxy resin base material impregnated on a modified carbon fiber matrix, and the epoxy resin base material comprises the following raw materials in parts by weight: 80-100 parts of epoxy resin, 4-18 parts of a toughening elastomer, 24-45 parts of a curing agent and 1-3 parts of an accelerant. The carbon fibers are subjected to surface grafting hyperbranched molecular modification, so that the interface action between the modified carbon fibers and an epoxy resin matrix can be remarkably enhanced, and meanwhile, the high strength and high temperature-resistant stability of the carbon fibers are utilized, so that the epoxy resin-based composite material has good toughening, reinforcing and temperature resistance improving effects.

The invention relates to the technical field of ceramics, in particular to anti-fouling ceramic glaze water, anti-fouling ceramic and a preparation method of the anti-fouling ceramic glaze water, and the anti-fouling ceramic glaze water comprises the following raw materials in parts by weight: 10-15 parts of quartz, 5-10 parts of calcite, 5-8 parts of a silicon nitride-doped adhesion increasing agent, 4-7 parts of zinc oxide, 4-7 parts of spodumene and 4-7 parts of a modification regulator. According to the anti-fouling ceramic, the calcined talc, the potassium feldspar, the kaolin, the mullite and the water are subjected to blending and ball milling treatment, wet ball milling improvement is performed, the raw materials are blended and coordinated, a ceramic body is prepared through shaping treatment, meanwhile, anti-fouling ceramic glaze water is adopted for glazing, the silicon nitride-doped connecting agent and the modification regulator are added, and the silicon nitride-doped connecting agent and the modification regulator are matched and have a synergistic effect, so that the anti-fouling ceramic is prepared. The mechanical strength, the pollution resistance and the wear resistance of the obtained product are improved in a balanced manner, and meanwhile, the freezing resistance and the corrosion-resistant stability effect of the product are remarkable.

The invention relates to the technical field of woven ceramic materials, in particular to a high-toughness woven ceramic material and a preparation method thereof, and the high-toughness woven ceramic material comprises the following raw materials in parts by weight: 30-40 parts of diopside, 20-30 parts of quartz, 10-15 parts of silicon carbide, 7-11 parts of boron nitride, 6-10 parts of a modified carbon nanotube reblended admixture, 5-7 parts of an intercalated synergistic supplement, 4-6 parts of aluminum oxide, 10-15 parts of water and 3-5 parts of a sodium dodecyl benzene sulfonate solution. According to the high-toughness woven ceramic material, the diopside is matched with the quartz, the silicon carbide, the boron nitride and the aluminum oxide raw materials, the blending and matching effects of the raw materials are optimized by improving the interfacial activity of the sodium dodecyl benzene sulfonate solution, and meanwhile, the added modified carbon nanotube reblended admixture and the intercalated synergistic supplement are used for carrying out coordination and synergistic effects, so that the high-toughness woven ceramic material is prepared. The durable usability of the product is enhanced, the fracture toughness of the product is excellent, the scrubbing-resistant and corrosion-resistant stability effects are remarkable, and the performance improvement effect of the product is remarkable.

The invention discloses a modified aramid fiber as well as a preparation method and application thereof. The modified aramid fiber comprises an aramid fiber and a carbon nanotube, the aramid fiber and the carbon nanotube are connected through an amido bond, the length of the carbon nanotube is 1-5 [mu] m, and the surface of the carbon nanotube is grafted with an amino-containing polymer. According to the modified aramid fiber disclosed by the invention, the surface roughness of the aramid fiber is improved due to the fact that the carbon nanotubes with the length of 1-5 microns are grafted on the surface, so that the aramid fiber and the epoxy resin generate a mechanical locking effect. Furthermore, the amino groups on the surface of the modified aramid fiber are covalently bonded with the epoxy resin, so that the bonding force between the fiber and the resin is further improved. In addition, the modulus of the introduced interface layer is between the modulus of the resin and the modulus of the aramid fiber, so that the defects at the interface of the fiber composite material under working conditions can be reduced. Meanwhile, the modified aramid fiber can be continuously produced, the treatment process is simple, efficient and green, and industrial amplification is facilitated.

The invention relates to the technical field of TPU (thermoplastic polyurethane) protective films, in particular to a fluoride-free antibacterial TPU protective film and a preparation method thereof. The fluoride-free antibacterial TPU protective film comprises the following raw materials in parts by weight: 35-40 parts of TPU particles, 10-15 parts of a balance regulator, 8-12 parts of an antibacterial agent, 3-6 parts of an antioxidant, 3-5 parts of a heat stabilizer and 2-3 parts of a lubricant. According to the TPU protective film disclosed by the invention, TPU particles are matched with the antibacterial agent, the antioxidant, the heat stabilizer and the lubricant to serve as functional aids, and the balance regulator and the filling agent doped with flaky boron nitride are added to coordinate, cooperate and jointly achieve synergistic effects, so that the product is excellent in raw material interfacial compatibility, and the antibacterial property, barrier property and mechanical property of the product are improved in a coordinated and balanced manner; and the product has remarkable weather-resistant and acid-corrosion-resistant stability effects.

The invention relates to the technical field of printing materials, in particular to a 3D printing material, a preparation method and application of the 3D printing material in shoe materials, and the 3D printing material comprises the following raw materials in parts by weight: 35-40 parts of TPU, 10-15 parts of polycaprolactone, 6-9 parts of nano silver powder, 3-5 parts of a compatilizer, 3-4 parts of a foaming agent, 2-3 parts of a foam stabilizer, 1-3 parts of a lubricant and 1-3 parts of an antioxidant. According to the 3D printing material disclosed by the invention, TPU is matched with polycaprolactone, functional aids such as a compatilizer, a lubricant and an antioxidant are added, nano silver powder is added to optimize the antibacterial property of a product, and meanwhile, the added carbon nano tube is blended with a nano attapulgite agent and a supplementing agent for supplementing and adjusting a modified filler to be mutually blended and matched, so that the obtained 3D printing material optimizes the raw material agglomeration property; the antibacterial property, the wear resistance and the mechanical tensile property of the product are improved in a balanced and coordinated manner, and the weather-proof and washing-resistant stability effects of the product are remarkable.

The invention discloses a carbon fiber surface treatment process, which belongs to the technical field of organic synthesis, and comprises the following steps: S1, taking melamine, adding into tetrahydrofuran, adding carboxylated carbon fiber and a condensing agent, heating to 50-60 DEG C, stirring for 3-4 hours, washing, and drying to obtain melamine modified carbon fiber; s2, adding nano silicon dioxide into DMF (Dimethyl Formamide), performing ultrasonic treatment, adding a silane coupling agent KH550 and succinic anhydride, stirring for 3-5 hours, washing and drying to obtain modified silicon dioxide; and S3, adding the modified silicon dioxide into DMF, adding the melamine modified carbon fiber and a condensing agent, heating to 90-100 DEG C, stirring for 4-5 hours, washing, and drying to obtain the surface-treated carbon fiber. The silane coupling agent KH550 and butanedioic anhydride are used for carboxylation modification of nano silicon dioxide, melamine is used as a coupling agent, nano silicon dioxide is grafted on carbon fibers, surface defects on the surfaces of the carbon fibers can be filled, and therefore the mechanical performance of the carbon fibers is improved.

The invention relates to the technical field of coating preparation, and particularly discloses a multifunctional composite filler modified water-based coating and a preparation method thereof.The water-based coating is prepared from, by weight, 80-100 parts of modified core-shell acrylic acid dispersoid, 5-7 parts of multifunctional composite filler, 0.5-1 part of defoaming agent, 0.5-1 part of wetting agent, 2-5 parts of thickening agent, 1-2 parts of coalescing agent and 25-35 parts of deionized water. The water-based paint provided by the invention is modified by adding a proper amount of multifunctional composite filler, the performance is excellent, the stability is good, the components in the water-based paint have good compatibility by optimizing the preparation process conditions of the water-based paint, and the preparation method is simple to operate and suitable for industrial production.

The invention discloses a carbon fiber composite material as well as a preparation method and application thereof. Based on the structural design of the liquid crystal polymer with different dimensions, a liquid crystal polymer molecule assembly layer is constructed on the surface of the carbon fiber, the roughness and surface activity of the surface of the carbon fiber are improved, and meanwhile, the interface performance of the composite material is improved through the efficient redirectionality of the liquid crystal polymer under the microcosmic mesocrystal domain structure and the load. Besides, based on the high orientation of the liquid crystal polymer in the interface phase of the composite material, a multi-dimensional heat conduction network is constructed, the dominant vibration mode of the carbon fiber and the resin matrix in the phonon heat transfer process is effectively coupled, the possibility of carrier phonon scattering at the interface is reduced, the interface thermal resistance is greatly reduced, and the thermal conductivity of the composite material is improved. Therefore, the heat-conducting property of the composite material is improved.

The invention relates to the technical field of composite materials, in particular to fiber sizing liquid, a polyether-ether-ketone composite material and a preparation method of the polyether-ether-ketone composite material, and the fiber sizing liquid comprises low-molecular-weight polyaryletherketone containing imide side groups, carbon nanotubes and the like; the composite material is obtained by carrying out heat treatment on fibers, re-sizing the fibers by adopting the sizing liquid, and then carrying out melt extrusion on the fibers and polyether-ether-ketone. The sizing liquid provided by the invention can effectively improve the compatibility between fibers and PEEK, so that the mechanical properties of the composite material are obviously improved.

The invention discloses a method for enhancing the interface performance of a carbon fiber composite coating through two-step chemical reaction synergistic modification, modified carbon fibers and application. The method comprises the following steps: carrying out silanization modification treatment and hyperbranched modification treatment on carbon fibers subjected to oxidation treatment to prepare the modified carbon fibers. The method for enhancing the interface performance of the carbon fiber composite coating through two-step chemical reaction synergistic modification is suitable for improving the interface performance of the carbon fiber composite coating, and the prepared modified carbon fiber is mixed with resin and a curing agent and cured; the obtained carbon fiber reinforced composite coating has excellent mechanical properties, wear resistance and erosive wear resistance, and can effectively reduce damages such as corrosion, erosive wear and the like of complex and harsh marine environments such as a spray splashing area and the like to steel structure facilities.

The invention relates to the technical field of ceramics, in particular to a high-strength and high-whiteness transparent glaze, a ceramic and a preparation method thereof, and the high-strength and high-whiteness transparent glaze is prepared from the following raw materials in parts by weight: 25-30 parts of potassium feldspar, 10-15 parts of an additive doped with a quartz modifier, 10-15 parts of dolomite, 10-15 parts of Dehua kaolin and 5-9 parts of a reinforcing agent adjusted by modified chitosan liquid. According to the glaze disclosed by the invention, the potassium feldspar is matched with the dolomite and the Dehua kaolin, and the adding agent doped with the quartz modifier and the reinforcing agent adjusted by the modified chitosan liquid are coordinated, coordinated and synergistic, so that the transparency, the whiteness, the strength and the anti-fouling performance of the obtained glaze product are improved in a coordinated manner, and the ageing-resistant and solvent-resistant stability effects of the product are remarkable.

The invention relates to the technical field of water-based paint, in particular to water-based paint suitable for cement floors and a preparation method thereof.The water-based paint is prepared from, by weight, 60-80 parts of acrylic emulsion, 3-5 parts of N-hydroxyethyl acrylamide, 2-4 parts of modified nano silicon dioxide and 0.1-0.3 part of graphene oxide. The invention relates to an anti-mildew coating, which is prepared from the following components in parts by weight: 1 to 2 parts of polyethylene glycol methyl ether methacrylate, 2 to 4 parts of 2-(dimethylamino) ethyl methacrylate, 0.2 to 0.6 part of defoaming agent, 0.5 to 1 part of flatting agent, 0.3 to 0.6 part of wetting agent, 4 to 10 parts of coalescing agent, 0.5 to 1.5 parts of thickening agent, 0.1 to 0.2 part of anti-mildew bactericide and 20 to 40 parts of filler, the adhesive force of the coating and a cement base material reaches 0 grade, and the performance is kept stable after water soaking resistance; the wear resistance is improved by more than 3 times compared with the traditional water-based paint, and meanwhile, good toughness is kept; and ideal film formation can be realized within the range of 5-40 DEG C.

The invention relates to an interface-enhanced carbon fiber sizing agent as well as a preparation method and an application method thereof, and belongs to the technical field of sizing agents. The interface enhanced carbon fiber sizing agent is prepared from the following components in parts by weight: 90 to 100 parts of epoxy resin, 5 to 10 parts of dicyandiamide and 30 to 50 parts of nonionic surfactant, wherein the epoxy value of the epoxy resin is not less than 0.4 mol / 100g; the nonionic surfactant comprises at least one of alkylphenol polyoxyethylene ether, fatty acid polyoxyethylene ether, polyethylene glycol and polypropylene glycol. The bonding capacity between the sizing agent and carbon fibers and matrix resin can be effectively enhanced, so that the interface performance of the carbon fiber composite material is effectively improved.

The invention belongs to the field of sodium ion solid electrolyte manufacturing, and particularly relates to a terbium-doped NASICON type sodium ion conductor material and a preparation method thereof. The stoichiometric formula of the terbium-doped NASICON-type sodium ion conductor material is Na < 3 + x > Zr < 2-x > Tb < x > Si < 2 > PO < 12 >, x is more than 0 and less than or equal to 0.3, and the total ionic conductivity of the terbium-doped NASICON-type sodium ion conductor material is 3.07 * 10 <-4 > S / cm to 1.02 * 10 <-3 > S / cm. Compared with the prior art, a proper amount of terbium ions are used for replacing skeleton ions (such as Zr < 4 + >) in an NASICON structure, so that the concentration of transferable sodium ions is increased, and the ionic conductivity is improved. By doping terbium ions, the size of a sodium ion transmission channel is effectively increased, the transmission energy barrier is reduced, and the ionic conductivity is further improved. The ionic conductivity of the Na < 3.2 > 2Zr < 1.8 > Tb < 0.2 > Si2PO12 electrolyte doped with terbium ions at the room temperature reaches 1.02 * 10 <-3 > S / cm. According to the invention, the selected raw materials are economical and practical oxides, and the raw materials are easy to purchase and low in price, so that the production cost can be reduced.

The invention relates to the technical field of release films, and discloses a silicon-free release PET film and a preparation method thereof. The silicon-free release PET film comprises a polymer wax layer, an intermediate layer and a polymer wax layer in order from top to bottom; the intermediate layer is made of the following raw materials: PET, an inorganic modified filler, a composite additive and an antioxidant 1010; wherein the inorganic modified filler is prepared by grafting polyamide-amine onto the surface of aluminum oxide, thereby improving the mechanical properties and high temperature resistance of the film, and avoiding the film from cracking or breaking when subjected to external force; the composite additive is prepared by preparing a chloroether rubber derivative containing nitrogen and phosphorus flame retardants in the structure, thereby improving the toughness and flame retardant properties of the film, and the comprehensive play of these effects enables the silicon-free release PET film to maintain excellent performance and stability and have a long service life.

The invention discloses a polyurethane resin composition for display screen encapsulation, comprising the following raw materials in parts by weight: 20-25 parts of polyester resin, 10-15 parts of polyurethane resin, 45-50 parts of butanone, 6-10 parts of silane coupling agent KH560, 8-12 parts of flaky bentonite modified whisker agent, 5-10 parts of glass fiber regulator and 2-5 parts of nano lanthanum oxide agent. The polyurethane resin composition for display screen encapsulation of the invention uses polyester resin and polyurethane resin as base materials, and optimizes the interface of system raw materials by adding silane coupling agent KH560 as an interface regulator, and coordinates and synergizes the flaky bentonite modified whisker agent, glass fiber regulator and nano lanthanum oxide agent with each other, so that the bonding strength, water vapor barrier and cold and heat shock resistance of the product are coordinated and improved.

The invention provides a halide solid-state electrolyte and a preparation method and application thereof. The halide solid-state electrolyte comprises a halide solid-state electrolyte inner core and a halide solid-state electrolyte outer core, and the hydrophobic layer is uniformly coated on the halide solid electrolyte core, and the hydrophobic layer comprises bis-hexadecyl phosphate. According to the halide solid electrolyte as well as the preparation method and the application thereof, the air stability of the halide solid electrolyte can be remarkably improved, the cycle performance of an all-solid-state lithium ion battery is improved, the manufacturing process is simple, and the cost is relatively low.

The invention provides a battery lithium supplement formation step method, which specifically comprises the following steps: determining a starting voltage, a peak voltage and an ending voltage of a lithium supplement reaction according to a gas production curve and a differential capacity curve; and the formation is carried out in a segmented charging and shelving mode. The method comprises the following specific steps: charging to an initial voltage under a first rate current and a first negative voltage condition; after shelving, charging to a peak voltage under a second multiplying power current and a second negative voltage condition; after shelving again, charging to an end voltage at a third multiplying power current and a third negative voltage condition; and finally, after shelving, charging to the final voltage of the lithium supplement agent under a fourth multiplying power current and a third negative voltage condition. The method can accurately control the reaction process of the lithium supplement material, effectively optimizes the battery pole piece interface, prevents black spots, lithium precipitation and other undesirable phenomena, and improves the cycle performance of the lithium ion battery.

The invention discloses a novel lightening material synthesis process for oil well cement, and belongs to the technical field of oilfield chemistry. According to the novel lightweight material synthesis process for oil well cement, diatomite is pretreated and aminated to obtain modified diatomite, and then floating beads are subjected to surface modification and SiO2 aerogel wrapping to obtain modified floating beads; the preparation method comprises the following steps: mixing modified diatomite with modified floating beads to obtain a composite light material, finally, respectively dissolving methyl alkenyl polyoxyethylene ether, lauryl sodium sulfate, hydroxypropyl methyl cellulose and nano silicon dioxide in deionized water to prepare a premixed solution, adding the premixed solution into the composite light material, and stirring to uniformly disperse the premixed solution to obtain the composite light material. The novel lightening material for the oil well cement is obtained. When the density of the novel lightening material for the oil well cement is 1.4 g / cm < 3 >, the novel lightening material for the oil well cement still keeps relatively high compressive strength.

The modification method for improving the strength of the AZO target material green body comprises the following steps: uniformly blending 35-40 parts of zinc oxide, 5-10 parts of aluminum oxide, 2-4 parts of polyethylene glycol, 1-3 parts of sodium carboxymethyl cellulose and 20-30 parts of water to obtain a matrix agent; the preparation method comprises the following steps: uniformly blending 3-5 parts of a wollastonite-doped modifier and 2-4 parts of a kaolin modifier, adding the mixture into a matrix agent, and finally carrying out ball milling at a rotating speed of 1000r / min for 1 hour to obtain a ball-milled material. The AZO target material green body can be obtained by blending and coordinating the matrix agent with the wollastonite-doped blending agent and the kaolin modifier and carrying out molding and heat treatment, and the strength and compactness performance of the prepared AZO target material green body are harmoniously improved.

The invention relates to the technical field of iron-based ceramic composite materials, in particular to an iron-based ceramic composite reinforced wear-resistant material manufactured through a vacuum infiltration method and a preparation method of the iron-based ceramic composite reinforced wear-resistant material. The preparation method comprises the following steps that ceramic particles with the particle size being 0.8-2.2 mm, a binder, an activating agent and paraffin particles are mixed and stirred according to the proportion to be prepared into a mixture; the stirred mixture is placed in a mold of a ceramic precast block for compression molding, and then the mold is placed in a resistance furnace; according to the iron-based ceramic composite reinforced wear-resistant material, ceramic particles, a binder, an activating agent and paraffin particles are mixed according to a certain ratio, compression molding is performed, sintering treatment is performed in a resistance furnace, a ceramic precast block of a porous structure is formed, and high-temperature iron-based alloy liquid is vacuumized to be matched and infiltrated into pores of a ceramic precast body, so that the wear-resistant material is obtained. The formed composite reinforced wear-resistant material has coordinated improvement of strength, toughness and wear resistance.

The invention relates to the field of shoe sole production, and particularly discloses a manufacturing process of an ETPU shoe sole, which comprises the following steps: manufacturing a TPU outsole: cutting a TPU bottom sheet to obtain the TPU outsole; the TPU outsole is laid in an insole forming mold with a line mold cavity, and the insole forming mold is filled with ETPU foaming particles; steam forming is conducted, specifically, steam is introduced into a midsole forming mold, the ETPU particles are formed into the ETPU midsole, the forming pressure is 0.1-0.3 MPa, the forming temperature is 120-160 DEG C, the forming time is 150-190 s, exhausting, water cooling and demolding are conducted, and the ETPU sole is obtained. According to the shoe sole manufacturing process, the TPU material is adopted as the outsole, the outsole and the ETPU foaming particles are integrally formed, the TPU outsole pattern manufacturing procedure is omitted, the TPU outsole and the ETPU insole are high in bonding strength, the outsole and the insole are made of the same material, and the shoe sole is easy to recycle.

The invention belongs to the field of polymer batteries, and particularly relates to a polymer solid-state battery electrolyte, a solid-state lithium battery and a method. The polymer solid-state battery electrolyte comprises one or more groups selected from an alcohol group, a hydroxyl group, an amine group, a halogenated group, a sulfonic acid group, an acyl group, a dilute hydrocarbon material and a carboxyl group, a film has high thermal stability, and the average coulombic efficiency of a battery of the polymer electrolyte is higher than 99%. The polymer solid-state battery electrolyte has high cycling stability, the membrane of the polymer solid-state battery electrolyte has good ionic conductivity, exchange and transmission of lithium ions are promoted, the high ionic conductivity of the membrane reflects good ion diffusion and migration ability of the membrane, and the membrane has a high electrochemical window; the membrane of the polymer solid-state battery electrolyte improves the contact or compatibility effect of an electrode and a solid-state electrolyte interface, and the membrane of the polymer solid-state battery electrolyte has profound significance in solid-state batteries and electrolytes.

The invention relates to the technical field of quick connector materials, and particularly discloses a high-stability nylon tube quick connector material and a preparation method thereof. The high-stability nylon tube quick connector material comprises the following raw materials in parts by mass: 50-100 parts of nylon 12, 5-10 parts of nylon 6, 1-3 parts of graphene oxide, 5-10 parts of styrene, 2-5 parts of maleic anhydride, 0.1-0.2 part of an initiator, 5-10 parts of polyethylene, 1-2 parts of polyethylene-maleic anhydride, 1-2 parts of triphenyl phosphate, 1-2 parts of a lubricant, 1-2 parts of a waterproof agent and 1-2 parts of an antioxidant. The oxygen index of a formed product can reach 38.6% or above, the flame retardant grade can reach the V-0 grade of UL-94, meanwhile, the mechanical strength is high, embrittlement is not prone to occurring in the long-term use process, the technology is simple, reaction conditions are mild, and the method is suitable for large-scale industrial production.

The invention belongs to the technical field of battery negative electrode materials, and particularly relates to a phosphorus-based negative electrode material with a coating structure as well as a preparation method and application of the phosphorus-based negative electrode material. On the basis of the prior art, nano nickel phosphide, red phosphorus and carbon nanospheres are subjected to ball milling to prepare a main body phosphorus-based material, and then the main body phosphorus-based material is coated with a coating layer prepared from a nanofiber material, pyrrole and 5-azaindole, so that the coating layer of the phosphorus-based negative electrode material has elasticity, the volume expansion rate of the phosphorus negative electrode material is reduced, and the service life of the phosphorus negative electrode material is prolonged. According to the nickel phosphide-based negative electrode material and the preparation method thereof, the interface interaction between the phosphorus-based negative electrode material and the binder is enhanced, the prepared nickel phosphide grows on the black phosphorus nanosheet, so that the nickel phosphide has good dispersity, the nickel phosphide nanocrystals can be effectively prevented from being agglomerated, and the energy storage capacity of the nickel phosphide is improved; and after the 5-hydroxy vanillin is grafted, the adhesive has excellent wet adhesion resistance, and can prevent the dissolution of phosphorus element, so that the cycle efficiency of the electrode is improved.

The invention discloses a modified MOFs filler, a preparation method and a composite solid electrolyte of a lithium ion battery, and the preparation method of the modified MOFs filler comprises the following steps: adding cerium salt during preparation of an MOF material to obtain a cerium-doped MOF material; or after the MOF material is prepared, the MOF material is etched, and the etched MOF material is obtained. The preparation method of the composite solid electrolyte comprises the following steps: dispersing the prepared MOF material in a solvent under the protection of inert gas, adding an electrolyte lithium salt and PEO, stirring to obtain a colloidal suspension, pouring the colloidal suspension into a mold, and drying and molding. After the obtained modified MOFs filler is added into the composite solid electrolyte, the conductivity of the composite solid electrolyte can be effectively improved, the composite solid electrolyte has a wide electrochemical stability window, and an assembled lithium ion battery shows excellent electrochemical performance.

The present invention relates to the technical field of clean fuels, and in particular to an ether-based clean fuel for vehicles and a preparation method thereof, comprising the following raw materials in parts by weight: 35-45 parts of methyl tert-butyl ether, 15-20 parts of isobutanol, 10-15 parts of methanol, 4-7 parts of flaky graphene agents based on doping cerium / yttrium, 2-4 parts of dimethyl ether, 1-3 parts of ferrocene, and 3-6 parts of regulating modifiers. The clean fuel of the present invention adopts methyl tert-butyl ether to match isobutanol, methanol, dimethyl ether and ferrocene raw materials, and the flaky graphene agent based on doping cerium / yttrium and the regulating modifier are added to coordinate and synergize, so that the combustion performance of the product is excellent, and the corrosion performance and water resistance of the product are remarkable, the product performance balance and coordination are improved, and the product has a remarkable product performance stability effect in a low temperature environment.

The invention relates to the technical field of high polymer chemical polymerization, in particular to sodium alginate-based polyacrylamide hydrogel and a preparation method thereof. The sodium alginate-based polyacrylamide hydrogel is prepared from the following components in parts by mass: 10 to 20 parts of acrylamide, 10 to 15 parts of sodium alginate, 3 to 7 parts of modified montmorillonite, 1 to 3 parts of nano titanium dioxide, 0.3 to 0.9 part of anhydrous calcium chloride, 0.1 to 0.5 part of a cross-linking agent, a photoinitiator and tetramethylethylenediamine. The invention provides a sodium alginate-based polyacrylamide hydrogel and a preparation method thereof, and aims to solve the problems of poor mechanical properties and poor heat resistance of sodium alginate-acrylamide composite gel in related technologies.

The invention discloses an environment-friendly flame-retardant leather material which comprises the following raw materials in parts by weight: 45-50 parts of pvc resin powder, 10-15 parts of calcium powder, 6-10 parts of a leveling additive, 5-8 parts of a magnesium hydroxide flame retardant, 4-7 parts of a glass fiber modifier, 2-5 parts of oleamide, 2-4 parts of eugenol, 2-3 parts of silicone oil and 2-5 parts of calcium stearate. According to the environment-friendly flame-retardant leather material, the pvc resin powder is matched with the oleamide, the eugenol, the silicone oil and other functional additives, the flame retardant is added to optimize the flame retardance of the product, meanwhile, the added leveling additive and the added glass fiber modifier are blended, coordinated and jointly synergistic, the wear resistance and flame retardance of the product are coordinated and improved, and the flame retardance of the product is improved. And the weather-resistant stability effect of the product is remarkable.