556 results about "Cardanol" patented technology

The invention relates to the technical field of flame retardance, and discloses a flame-retardant coating and a preparation method thereof.The flame-retardant coating is obtained by adding phenolic resin, polycarbonate, phosphorus-containing modified phenolic resin, boric acid-containing benzoxazine, an organic silicon resin defoaming agent, a propylene glycol film-forming agent and water into a stirrer and stirring. The flame-retardant coating contains a large amount of anacardol, long chains in the anacardol can also be crosslinked to form a net-shaped structure, a net-shaped carbon skeleton structure is formed under high-temperature carbonization, degradation products are inhibited during combustion, and the flame-retardant coating has good fire resistance; wherein oxazolidinone generated by reaction of an epoxy group of epoxidized phenolic resin and an isocyanate group of hexamethylene diisocyanate is a heterocyclic ring with very high heat resistance and also plays a role in synergistic fire resistance; the flame-retardant coating contains a large amount of phosphorus elements, sulfur elements and nitrogen elements, has a good flame-retardant effect, and achieves a synergistic flame-retardant effect.

The invention relates to the technical field of activated carbon materials, and discloses an activated carbon material for adsorbing organic gas and a preparation method thereof.The preparation method includes the steps that activated carbon powder, epoxidized cardanol, graphene oxide modified quaternized chitosan, bentonite and nanometer titania are added into grinding equipment to be ground, and a primary material A is obtained; and then continuously adding a water-borne epoxy resin adhesive and water, stirring and drying to obtain the active carbon material for adsorbing the organic gas. Chitosan in the silane modified chitosan structurally contains amino, hydroxyl and other polar groups, so that organic gas can be adsorbed; the graphene also has a relatively good adsorption effect on organic gas, and meanwhile, the agglomeration effect of the graphene is reduced; and siloxane and quaternary ammonium salt groups contained in the adsorbent also have a relatively good adsorption effect on organic gases. Cardanol in epoxidized cardanol contains functional groups such as benzene rings, phenolic hydroxyl groups and long-chain alkanes, and the functional groups endow the cardanol with various reaction activities and can absorb organic gas.

The invention relates to a bio-based toughening agent, an epoxy adhesive and a preparation method of the bio-based toughening agent. The bio-based toughening agent is obtained through a reaction of a polyurethane prepolymer and cardanol; the polyurethane prepolymer is obtained by reaction of castor oil and polyisocyanate; the molar ratio of an isocyanate group in the polyurethane prepolymer to a phenolic hydroxyl group in the cardanol is 1: (1-2); the molar ratio of hydroxyl groups in the castor oil to isocyanate groups in the polyisocyanate is 1: (1-3). The prepared toughening agent is applied to the epoxy adhesive, and the prepared epoxy adhesive has high peel strength and impact absorption capacity and good anti-aging capacity.

The invention relates to the technical field of polyurethane acrylate, and particularly discloses dual-curing polyurethane acrylate resin and a preparation method thereof. Wherein the dual-curing polyurethane acrylate resin is prepared from the following raw materials: polyester polyol, polyether polyol, diisocyanate, hydroxyl acrylate, a chain extender, a photoinitiator, cardanol glycidyl ether, a polymerization inhibitor and modified nanoparticles. Wherein the citric acid and the polyethyleneimine are adopted to carry out synergistic modification on the nano particles, the dispersion stability of the nano particles is improved, so that the mechanical property of the resin is improved, the cardanol glycidyl ether and the photoinitiator generate a synergistic effect, and the resin can be quickly shaped through photocuring promoted by the photoinitiator; the cardanol glycidyl ether participates in the subsequent thermocuring reaction, so that the curing effect is improved, and the adhesive force between the film layer and the base material is enhanced.

The invention relates to the field of packaging materials, and discloses low-temperature heat-sealing water-based coated paper and a preparation method and application thereof.The water-based coated paper comprises a base paper layer and a water-based coating, and the water-based coating comprises water-based ethylene-acrylic acid copolymer emulsion, modified nano-silica, a coalescing agent and water; a cardanol derivative is introduced into the water-based ethylene-acrylic acid copolymer emulsion as a functional component; the cardanol derivative is prepared by reacting epoxidized cardanol with 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide and then grafting with acryloyl chloride. The preparation method comprises the following steps: reacting epoxidized cardanol with 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide; the modified nano silicon dioxide is prepared by mixing aminated nano silicon dioxide and chitosan and adding a cross-linking agent prepared by grafting phytic acid and ethylene glycol diglycidyl ether. The water-based coating paper prepared by the invention overcomes the defects that the existing BOPP film is not environment-friendly, and the conventional coating paper is high in heat sealing temperature and easy to stick; meanwhile, good mechanical properties, water resistance and flame retardance are achieved.

The invention discloses a low-temperature polyether demulsifier for oil and gas gathering and transportation and a preparation method thereof, and relates to the technical field of petrochemical engineering, and the preparation method is characterized by comprising the following steps: compounding cardanol, pentaethylenehexamine and bisphenol F according to a specific molar ratio to obtain an initiator, and carrying out formaldehyde condensation to prepare a composite initiator; epoxypropane and ethylene oxide are grafted through staged block copolymerization to form a polyether skeleton; introducing a fluorine-containing epoxy monomer to carry out terminal fluorination modification; finally, adipic acid and epichlorohydrin are subjected to chain extension crosslinking, and the demulsifier with the molecular weight being 8000-12000 Da, the fluorine content being 5.5-6.5 wt% and the PDI being smaller than or equal to 1.3 is prepared. The low-temperature demulsifying agent has the effects of realizing efficient demulsification at low temperature, improving the demulsifying efficiency and reducing the dosage through coordination of the composite initiator, super-hydrophobic permeation of the fluorinated block and accurate regulation and control of the molecular weight, solving the problems of low-temperature failure and easiness in emulsification of a traditional demulsifying agent, and meeting the requirements of low-temperature working conditions of oil and gas gathering and transportation.

The invention relates to the technical field of polypropylene, and discloses a high-barrier polypropylene composite material and a preparation method thereof, the high-barrier polypropylene composite material comprises 55-80 parts by weight of polypropylene, 20-45 parts by weight of cardanol modified polystyrene, and 1.2-2 parts by weight of maleic anhydride grafted polypropylene; according to the invention, an alkyl long chain of cardanol is introduced into a side chain of polystyrene, and the alkyl long chain and polypropylene are subjected to a physical chain winding effect, so that a tight physical crosslinking is formed, the crosslinking density of a polypropylene molecular chain is improved, the water vapor permeability is reduced, and the barrier property is improved. The cardanol modified polystyrene contains hydroxyl groups and reacts with the compatilizer maleic anhydride grafted polypropylene, so that the compatibility between the polystyrene and the polypropylene is improved, the polystyrene and the polypropylene form an alloy system, higher mechanical properties are shown, and the tensile strength and the bending strength are improved.

The invention relates to a preparation method of a cardanol compound 2. The reaction is as follows: # imgabs0 # R'is selected from H, carboxyl, halogen or halogen substituted C1-4 alkyl, and halogen is selected from fluorine, chlorine, bromine and iodine; comprising the following steps: (1) reacting a compound of formula 1 in the presence of sodium ethanethiol and inorganic base to obtain a compound 2; the preparation method provided by the invention is mild in process condition, simple and convenient to operate, high in yield, simple in post-treatment and suitable for industrial large-scale production.

The invention relates to the technical field of paint, in particular to buried pipeline outer coating paint and a preparation method thereof. The coating comprises a component A and a component B, and the mass ratio of the component A to the component B is (2.12-2.39): 1; the component A comprises the following components in parts by weight: 40-50 parts of epoxy resin, 0-5 parts of a reactive diluent, 2-3 parts of an epoxy resin toughening agent, 2-3 parts of aluminum paste, 0-20 parts of mica powder, 5-20 parts of talcum powder, 5-10 parts of pigment, 5-20 parts of glass flakes, 1-2 parts of organic bentonite, 1-2 parts of a silane coupling agent, 0.1-0.5 part of a dispersing agent, 0.1-0.5 part of a defoaming agent and 0.1-0.5 part of a flatting agent; the component B is a cardanol modified phenolic aldehyde amine curing agent; the hyperbranched modified epoxy resin cooperates with the cardanol modified phenolic aldehyde amine curing agent and the epoxy resin flexibilizer to improve the comprehensive performance of the coating; the cathodic disbonding resistance of the coating is improved through the aluminum paste; therefore, the paint which has good comprehensive performance and can meet various corrosive environments is obtained.

The invention discloses moisture-proof and dust-proof epoxy paint and a preparation method thereof, and belongs to the technical field of paint. The invention discloses moisture-proof and dust-proof epoxy paint which comprises the following raw material components in parts by weight: 100 parts of high-temperature-resistant epoxy resin, 0.8-1.2 parts of a curing agent, 8-12 parts of waterproof silicon resin, 4-6 parts of a defoaming agent, 5 parts of a flatting agent, 10-15 parts of a solvent and 1-3 parts of an antistatic agent, the high-temperature-resistant epoxy resin is obtained by reacting and grafting 1-bromine-4-(trifluorovinyloxy) benzene, cardanol and phosphonitrilic chloride trimer and then performing epoxidation; the waterproof silicon resin is obtained by carrying out polycondensation on 3-glycidyl ether oxypropyl triethoxy silane and tetraethyl orthosilicate and then carrying out end capping by adopting 4-[trifluorovinyl (oxygen) phenyl] dimethylsilane.

The invention discloses a heavy-duty waterborne epoxy glass flake anticorrosive coating and a preparation method thereof, and belongs to the field of anticorrosive coatings. Wherein the component A is composed of a water-based phenolic epoxy emulsion, a water-based epoxy resin dispersion, glass flakes, an anti-rust pigment, titanium dioxide, a wetting dispersant, a coalescing agent, a silane coupling agent, a rheological agent, a base material wetting agent, an anti-flash-rust agent and water; the component B consists of a cardanol modified phenolic aldehyde amine water-based curing agent, a modified aliphatic amine water-based curing agent, a modified polyamide water-based curing agent, propylene glycol monomethyl ether and water; the coating is good in constructability, can be self-dried at normal temperature, has the technical advantages of low VOC (volatile organic compound) content, strong adhesive force, excellent water resistance, boiling resistance and chemical resistance, excellent corrosion resistance and the like, and is wide in raw material source and simple in preparation process.

The invention discloses cardanol basic characteristic mechanical enhanced flame-retardant epoxy resin containing aliphatic amine and a preparation method of the cardanol basic characteristic mechanical enhanced flame-retardant epoxy resin, and belongs to the technical field of flame retardance. The preparation method comprises the following steps: introducing an aldehyde group on a benzene ring of cardanol, and reacting with diamine to form an epoxy resin precursor substance; the preparation method comprises the following steps: fully mixing an epoxy resin precursor substance, epoxy chloropropane, a phase transfer catalyst and an alkaline substance for reaction to obtain cardanol basic intrinsic flame-retardant and mechanically-reinforced epoxy resin; the problems that raw materials of traditional bisphenol A type epoxy resin are non-renewable, the brittleness is large due to the molecular structure, flammability is caused, and the flame retardant property and the mechanical property cannot be considered at the same time are solved, biomass cardanol which is wide in source and low in cost is used as the raw material, and flexibility of an aliphatic chain and rigidity of aromatic hydrocarbon are combined; the Schiff base structure improves the flame-retardant efficiency of the matrix and also improves the mechanical properties of the matrix; the cured epoxy resin system has excellent thermal stability, flame retardance and mechanical properties, and has excellent popularization and application prospects.

The invention relates to the technical field of high polymer materials, and discloses a high-chemical-resistance TPO material which comprises the following components in parts by mass: 55-65 parts of polypropylene; 35 to 45 parts of a styrene-ethylene / butylene-styrene block copolymer; 0.4 to 0.6 part of a furan end-capping reagent; 0.2 to 0.4 part of a maleimide cross-linking agent; 4-6 parts of modified shell powder; 8 to 12 parts of epoxidized cardanol; 2-4 parts of a heat-sensitive microcapsule, wherein the heat-sensitive microcapsule comprises a shell layer and an inner core; and 0.5 to 1.5 parts of a nano cellulose surface treating agent. Through the synergistic effect of a dynamic cross-linked network and fluorocarbon chain surface modification, when the material is in contact with acid, alkali and an organic solvent, reversible cross-linked bonds release local stress through a fracture-reconstruction mechanism, and microcrack propagation is inhibited; and the compact fluorocarbon layer on the surface forms a chemical inert barrier, so that the permeation rate of a corrosive medium is remarkably reduced, and the structural stability and long-term durability of the material in a complex chemical environment are guaranteed.

The present invention relates to a high-temperature starch-type wetting agent and a preparation method and application thereof, wherein the wetting agent comprises an active ingredient and water, wherein the mass ratio of the active ingredient to the water is (0.05-0.15): 1, and the active ingredient comprises the following raw materials in parts by weight: 45-65 parts of a starch-based film-forming agent, 5-10 parts of a plasticizer, 15-20 parts of a lubricant, 1-2.5 parts of an emulsifier, 4-6 parts of a coupling agent, 0.5-1.5 parts of a preservative, and 0.02-0.05 parts of a defoaming agent; wherein the plasticizer is cardanol acetate, tributyl citrate, and mannitol in a mass ratio of 1:1:(1.5-2); and the starch-based film-forming agent is at least one of acetylated distarch adipate, oxidized starch, and hydroxypropyl starch. The glass fiber yarn products produced with the wetting agent have significantly reduced scattered silk defects on the cloth surface, and the amount of powder falling during the weaving process is also greatly reduced, which meets the high standard requirements for the production of printed circuit boards.

The invention relates to a preparation method of a high-viscosity epoxy midcoat curing agent, which mainly comprises the following steps: synthesizing phenolic aldehyde amine intermediates 1 and 2, modifying with epoxy resin E44 and cardanol, and finally adding a functional auxiliary agent for compounding. The paint has the characteristics of high viscosity, rapid curing, high hardness, flat surface and adjustable color and color retention, the raw material cost is remarkably reduced, the environmental protection requirement is met, the environmental pollution is avoided, and the resource utilization efficiency is improved; by optimizing a formula and a process, the problems that a traditional polyamide curing agent is low in curing speed, the surface of a phenolic amine curing agent absorbs moisture and becomes white and oil, and an acid curing agent is subjected to surface shrinkage, is prone to yellowing and is poor in adhesive force are solved, the surface drying time of a final product is 4-6 hours, the hard drying time is 12-24 hours, the shore hardness reaches 80 or above, and all properties reach the national standard; the epoxy floor is suitable for the field of high-strength and wear-resistant epoxy floors, and has both environmental protection and economic benefits.

The invention discloses an expansion-resistant lithium battery pole piece material for an unmanned aerial vehicle and a preparation method of the expansion-resistant lithium battery pole piece material, and belongs to the technical field of lithium batteries. Silicon dioxide / carbon fiber composite powder serves as a matrix, the surface of the matrix is coated with a long-chain alkyl cardanol grafted glucose layer, and pyrolysis carbonization is performed to obtain the expansion-resistant lithium battery pole piece material. Carboxyl groups in glucose and isocyanate on the surface of the modified silicon dioxide / carbon fiber composite powder are subjected to an amine esterification reaction, carbon dioxide is generated, the porosity of the material is further improved, cardanol-coated lithium-containing composite powder is obtained, nanometer aluminum oxide is deposited on the cardanol-coated lithium-containing composite powder through a coprecipitation method, and the composite material is obtained. By forming a ternary composite structure with the silicon dioxide / carbon fiber composite powder as a core layer, the carbonized long-chain alkyl cardanol grafted glucose as a middle layer and the nanometer aluminum oxide as an outermost layer, the volume expansion can be better and synergistically relieved on the premise that the porosity is not affected.

The invention discloses a recycling and regenerating process based on an old material of an asphalt pavement, and belongs to the technical field of asphalt pavement regeneration, the recycling and regenerating process comprises the following steps: S1, heating and uniformly stirring epoxy resin and petroleum asphalt, then adding a reactive diluent and an accelerant, and uniformly stirring to obtain an epoxy component; s2, stirring and heating the isocyanate tripolymer to a constant temperature, slowly dropwise adding the cardanol, after the cardanol is completely dropwise added, keeping the temperature, carrying out a reaction, and completely reacting the isocyanate tripolymer with the cardanol to obtain a blocked isocyanate tripolymer; s3, mixing the blocked isocyanate tripolymer with an epoxy component to obtain a cementing material; s4, stirring and heating the old graded asphalt material, then heating the cementing material, continuing to stir uniformly, paving the mixture on the pavement, leveling, compacting and curing to form a recycled asphalt pavement; the utilization rate of old asphalt pavement resources can be increased, and the mechanical strength of the recycled asphalt pavement can be improved.

The invention discloses polyolefin artificial leather, a preparation method thereof and an automobile seat, and belongs to the technical field of polyolefin artificial leather. The polyolefin artificial leather comprises a base cloth layer, a high-elasticity and high-softness layer and a coating layer which are sequentially stacked, the high-elasticity and high-softness layer comprises the following raw material components: a polyolefin elastomer, a low-density polyolefin elastomer, modified high-elasticity resin, an assistant crosslinker, a coupling agent and an anti-aging agent; the low-density polyolefin elastomer comprises a modified polyolefin elastomer, inorganic microspheres and a silane coupling agent; the modified polyolefin elastomer is prepared by grafting 4-vinyl-1, 2-phthalic acid and maleic anhydride on a polyolefin elastomer by adopting a melt grafting method; the modified high-elasticity resin comprises a high-elasticity polyolefin elastomer, a rubber elastomer, a silane coupling agent and a peroxide cross-linking agent; the high-elasticity polyolefin elastomer is obtained by copolymerization of propylene, norbornene and cardanol; p-chlorophenyl trimethoxy silane is at least adopted as the coupling agent.

A preparation method of the cardanol-based phosphorus-containing side group novolac epoxy resin comprises the following steps: (1) in the presence of a catalyst A, carrying out a stirring reaction on cardanol and an aldehyde compound at 80-110 DEG C for 3-10 h to prepare an intermediate A; (2) stirring the intermediate A and a phosphorus-containing compound at 50-150 DEG C to react for 10-24 hours to prepare an intermediate B; and (3) in the presence of a catalyst B, stirring and reacting the intermediate B and epichlorohydrin at 70-110 DEG C for 2-6 hours, and in the presence of a catalyst C, stirring and reacting at 30-65 DEG C for 1-4 hours to prepare the cardanol-based phosphorus-containing side group novolac epoxy resin. Through a rigid structure on a main chain of the novolac epoxy resin, a phosphorus-containing structure on a side chain of the novolac epoxy resin and an epoxy group, the toughness and flame retardance of an epoxy cured product can be improved on the premise that the thermal stability is not reduced, and the novolac epoxy resin has an extremely good application research prospect.

The invention discloses a strong acid and alkali resistant plastic material for fume hood surface decoration and a preparation method of the strong acid and alkali resistant plastic material, belongs to the technical field of plastic material processing, and aims at solving the technical problem that in the prior art, the acid and alkali resistance and the bending modulus of a plastic material for fume hood surface decoration need to be further improved. The preparation method specifically comprises the following steps: stirring amino-modified fluorosilicone resin, paraformaldehyde and 1, 4-dioxane in a reaction kettle, dropwise adding an anacardol solution, heating the reaction kettle to 85-95 DEG C, carrying out heat preservation reaction for 6-8 hours, and carrying out post-treatment to obtain the anacardol-based benzoxazine resin. Perfluoro-modified polysiloxane benzoxazine is prepared, naphthalene-containing epoxy resin and imidazole-modified silicon carbide microspheres are compounded, in-situ catalysis synergistic curing is carried out by using filler interface imidazole, a compact organic-inorganic hybrid interpenetrating network is constructed, and the strong acid and alkali corrosion resistance and bending modulus of the material are remarkably improved.

The invention discloses a bio-based TPV composite material and a preparation method thereof, and belongs to the technical field of preparation of TPV composite materials, polylactic acid is used as a plastic phase, bio-based itaconate rubber and a bio-based ethylene-vinyl acetate copolymer are used as a rubber phase, maleic anhydride grafted cardanol and an ethylene-acrylic acid copolymer are used as a composite compatibilizer, and the bio-based TPV composite material is prepared. Titanate coupling agent modified core-shell particles are added to serve as a reinforcing agent, dicumyl peroxide is combined with an electron beam radiation initiation mode, and the bio-based PLA / Bio-ItBR / EVA TPV is prepared through a dynamic vulcanization process. The product has medium hardness, medium tensile strength, excellent ductility and high elasticity, and good elastic memory ability and compressive deformation resistance. The compatibility between a plastic phase and a rubber phase is improved, and the phase separation problem caused by polarity difference is reduced. The dicumyl peroxide is combined with a dynamic vulcanization process initiated by electron beam radiation, so that a uniform cross-linked network can be formed, and the stability of the material performance is improved.

The invention belongs to the field of coatings, and discloses a broad-spectrum ultraviolet absorbent with a sandwich structure as well as a preparation method and application of the broad-spectrum ultraviolet absorbent. An ultraviolet absorbent is adsorbed on the upper surface and the lower surface of graphene oxide through the action of a hydrogen bond and a pi-pi bond to form a compact ultraviolet absorbent layer, then the surface of graphene oxide is chemically modified through a diamine compound, amino is grafted, and the wide-spectrum ultraviolet absorbent of a'discrete point / surface / discrete point 'sandwich structure is obtained. The ultraviolet absorbent filler, the cardanol-based reactive diluent and the epoxy resin are compounded, so that the ultraviolet aging resistance, the barrier corrosion resistance and the hydrophobicity of the prepared composite coating are synergistically enhanced and exceed those of an anti-ultraviolet epoxy coating material reported at present.

The invention relates to the field of coatings, in particular to a solvent-free epoxy coating for a drinking water tank and a preparation method thereof.The solvent-free epoxy coating is prepared from a component A and a component B. The component A comprises 40-60 parts of epoxy resin, 5-20 parts of reactive diluent, 0.3-0.5 part of dispersing agent, 0.1-0.8 part of defoaming agent, 0.6-1.2 parts of thixotropic agent, 20-35 parts of pigment and 10-20 parts of filler; the epoxy resin comprises bisphenol A epoxy vinyl ester resin and hydrogenated bisphenol A resin; the active diluent comprises a cardanol-based active diluent and 4-epoxy isoeugenol; the dispersing agent comprises a polymeric dispersing agent and polyurethane acrylate porous microspheres; the component B comprises a modified alicyclic amine curing agent and cardanol carbamate, and the mass ratio of the modified alicyclic amine curing agent to the cardanol carbamate is (1.8-5): 1; the amine value of the modified alicyclic amine curing agent is 360 to 420 mgKOH / g. The solvent-free epoxy coating for the drinking water tank is non-toxic, has relatively strong adhesive force, water resistance, flexibility and antibacterial property and relatively long service life, and is suitable for various drinking water tanks.

The invention discloses halogen-free laminated plate base paper as well as a preparation method and application thereof, and particularly belongs to the technical field of copper-clad plate base material base paper. The halogen-free laminated board base paper is prepared from the following raw materials: plant fibers, a composite wet strength agent and a composite flame retardant; the plant fibers comprise coniferous wood fibers, broadleaf wood fibers, cotton fibers and peanut shell fibers; the composite wet strength agent comprises a JH-1225 wet strength agent and polyethyleneimine resin; the composite flame retardant comprises cardanol modified phenolic resin and an ammonium polyphosphate flame retardant. The laminated board base paper provided by the invention is prepared from the plant fibers with specific composition, the composite wet strength agent with specific composition and the composite flame retardant with specific composition, and the plant fibers, the composite wet strength agent and the composite flame retardant form an abundant and stable chemical cross-linked network; therefore, the laminated board base paper has excellent gum dipping property, flame retardance, heat resistance, mechanical strength, flexibility and processability.

The invention discloses a weather-resistant heat-insulation waterproof coating for an outer wall and a preparation method of the weather-resistant heat-insulation waterproof coating. The waterproof coating comprises the following components in parts by weight: 27-35 parts of modified acrylate polymer emulsion, 35-50 parts of composite filler, 5-10 parts of a curing system, 4-8 parts of a coalescing agent, 0.1-0.5 part of a defoaming agent, 0.3-0.8 part of a flatting agent, 0.2-0.6 part of a mildew preventive, 0.5-1.0 part of a thickening agent and 1-5 parts of a pH regulator, the modified acrylate polymer emulsion is prepared by carrying out pretreatment and silanization modification on cardanol and then carrying out monomer pre-emulsification and free radical polymerization. According to the waterproof coating provided by the invention, a Si-O-C network and a hindered amine free radical capture system are introduced, so that the weather resistance is improved; fluoride-nano silicon dioxide is used for constructing a roughness-low surface energy synergistic waterproof interface; acid-washed fly ash floating beads, silicon dioxide aerogel and expanded perlite filler are compounded to form multiple heat conduction scattering paths so as to realize cross-scale porous filler heat preservation; the waterproof coating can serve in complex environments with large temperature difference fluctuation, acid rain and the like.

The invention discloses a heat-resistant high-strength phenolic resin composite material and a preparation method thereof. The heat-resistant high-strength phenolic resin composite material is prepared from cardanol modified phenolic resin and a fluorinated graphene nano material, a fluorine atom and a carbon atom in the fluorinated graphene are covalently bonded to form a C-F bond; the cardanol modified phenolic resin is prepared from the following raw materials: phenolic substances and formaldehyde; the phenolic substances comprise phenol and cardanol; when the total mass of the phenolic substances is 100%, the mass ratio of the cardanol is 5%-15%; the mass ratio of the fluorinated graphene is 0.1%-0.5% by taking the total mass of the phenolic substances as 100%. The preparation method of the heat-resistant high-strength phenolic resin composite material comprises the following steps: uniformly mixing ethanol dispersion liquid containing fluorinated graphene with cardanol modified phenolic resin by ultrasonic waves to obtain the heat-resistant high-strength phenolic resin composite material.

The invention relates to the technical field of fracturing fluids, and discloses a fracturing fluid and a preparation method thereof.The preparation method comprises the steps that cardanol modified polyurethane, modified silicone rubber, hexadecyl trimethyl ammonium chloride, sodium salicylate and water are added into a reactor and stirred, and the fracturing fluid is obtained after stirring is finished. Wherein the quaternary ammonium salt group can reduce the reservoir damage by reducing the hydration of clay on the surface of shale and inhibiting the expansion and migration of the clay, can still keep stable performance at high temperature, and is beneficial to improving the temperature resistance of the fracturing fluid; wherein polyurethane has good temperature resistance, hydrogel is formed through crosslinking, and the hydrogel can still keep stable at high temperature, so that the temperature resistance of the fracturing fluid can be improved; cardanol in the fracturing fluid has good high temperature resistance, and can maintain the stability and effectiveness of the fracturing fluid under a high temperature condition; the silicon rubber structure contains silicon-oxygen bonds, so that the viscosity of the fracturing fluid can be improved, and meanwhile, the fracturing fluid has good anti-shearing capability in a high-temperature environment.

The invention provides a wear-resistant and sweat-resistant acrylic coating as well as a preparation method and application thereof, and belongs to the technical field of coatings. The wear-resistant and sweat-resistant acrylic coating is prepared from the following raw materials in parts by weight: 30 to 50 parts of waterborne acrylic resin, 15 to 20 parts of cardanol-based polyurethane resin, 0.8 to 1.5 parts of an adhesion promoter, 3 to 5 parts of a titanate coupling agent, 3 to 15 parts of filler, 0.5 to 1.8 parts of a thickening agent, 0.5 to 2.0 parts of a flatting agent, 0.5 to 1.0 part of a wetting agent, 0.5 to 1.5 parts of a de-foaming agent, 0.5 to 2 parts of a cosolvent and 5 to 15 parts of water. Wherein the water-based acrylic resin is prepared from the following components: an acrylic monomer, dithioglycolic acid, tri-n-butyl borane and an aziridine cross-linking agent; the invention also provides a preparation method of the acrylic coating. A coating layer obtained by curing the acrylic coating provided by the invention is excellent in mechanical property, good in adhesive force, excellent in water resistance, scratch resistance, wear resistance, chemical resistance, perspiration resistance, corrosion resistance and the like, and can be applied to 3C product and glasses industries, and the service life of the product is prolonged.

The present invention relates to the technical field of mine filling materials, and discloses a mine filling material based on high-salt brine mine water and a preparation method thereof, wherein the mine filling material of the present invention comprises 21-42 parts by weight of high-salt brine mine water, 50-61 parts by weight of chlorine-containing tailings, 5-18 parts by weight of pre-excited gelling slurry, and 3-8 parts by weight of cardanol-based polyurethane binder emulsion; after the water-quenched blast furnace slag powder is surface-modified with oleic acid, long-chain alkanes are introduced on the surface, and its dispersibility becomes better, and calcium salt is used as an exciter, which has a better excitation and activation effect on the slag powder, and is conducive to improving the mechanical properties of the solidified filling material. The side chain of the polyurethane binder emulsion also contains long-chain alkanes, which have a physical chain entanglement effect with the long-chain alkanes on the surface of the slag powder, thereby improving the interfacial bonding force between the slag powder and the polyurethane binder, and significantly improving the compressive strength and mechanical properties of the filling material.

The invention relates to the technical field of polyurethane, and discloses an elastic waterproof biomimetic membrane as well as a preparation method and application thereof. Polylactic acid dihydric alcohol, an isocyanate monomer, a chain extender and cardanol siloxane-based cellulose are subjected to a polymerization chain extension reaction, and the elastic waterproof biomimetic membrane is obtained. The nano cellulose containing a benzene ring structure, a cardanol flexible long carbon chain and a siloxane structure are introduced into polyurethane, so that the tensile strength and the elongation at break of a polyurethane film are improved. Meanwhile, the hydrophilicity of cellulose is reduced, the water contact angle of the polyurethane film is increased, the waterproof performance is enhanced, and the good practical application is achieved in the waterproof finishing aspect of fabric such as bionic waterproof and moisture permeable films and outdoor jackets.