215 results about "Biethylene" patented technology

The invention relates to the technical field of battery binders, in particular to a water-based binder, a preparation method of the water-based binder and a carbon-coated aluminum foil. The water-based binder comprises a water-soluble monomer, an oil-soluble monomer, an amphiphilic monomer, a functional monomer, an initiator and a neutralizer, the amphiphilic monomer is prepared from at least one of sodium vinyl sulfonate, sodium p-styrenesulfonate, 2-acrylamide-2-methylpropanesulfonic acid and N-vinyl pyrrolidone; the functional monomer comprises at least one of divinylbenzene, pyrrole, phenylacetylene and 3, 4-ethylenedioxythiophene. According to the water-based binder, the water-soluble monomer, the oil-soluble monomer, the amphiphilic monomer and the functional monomer are compounded in proportion, the conductivity of the binder, the wettability to a conductive carbon material and an aluminum foil, the adhesion to the aluminum foil and the like are improved, the prepared battery has excellent cycle stability, and the service life of the battery is prolonged.

The invention relates to an antistatic film and a preparation method thereof, and belongs to the technical field of polymer film materials. The antistatic film is prepared from the following components in parts by weight: 100 parts of PP resin, 5 to 8 parts of hydrogenated petroleum resin, 4.5 to 5.5 parts of conductive filler, 1.2 to 1.6 parts of antistatic additive, 0.1 to 0.12 part of antioxidant, 0.08 to 0.1 part of light stabilizer and 2.5 to 3 parts of lubricant, the preparation method comprises the following steps: carrying out amine ester exchange on methyl acrylate and diethylenetriamine under the catalysis of sodium hydride to prepare a double-bond-terminated amide compound, namely an amidated matrix, carrying out addition on mercaptopropyltrimethoxysilane and the amidated matrix under the initiation of ultraviolet radiation, and introducing a methoxysilane structure to the end part of the amidated matrix for modification, so as to obtain the antistatic additive. Finally, bromopropane and residual amido of the silanization intermediate are subjected to quaternization treatment, and the antistatic auxiliary is obtained. The film material is endowed with good antistatic performance and packaging performance through the interaction of the antistatic auxiliaries.

The preparation method comprises the following steps: weighing oleic acid and a catalyst, adding the weighed oleic acid and catalyst into a reaction container, heating by stages by adopting a programmable electric heating jacket, respectively dropwise adding a water carrying agent at 80-100 DEG C, dropwise adding diethylenetriamine or triethylene tetramine at 110-130 DEG C, controlling the reaction temperature and time, and reacting for 2-4 hours to obtain the compound corrosion inhibitor for the CO2 oil displacement produced liquid. After water is separated out, further reaction is carried out at 200-230 DEG C, then the system is cooled to 60-70 DEG C, a quaternization reagent is added for reaction, and a corrosion inhibitor E and a corrosion inhibitor S are prepared respectively; finally, the corrosion inhibitor E and the corrosion inhibitor S are compounded according to a certain proportion, and the compound corrosion inhibitor for the CO2 oil displacement produced liquid is obtained. The preparation method is simple and easy to implement, and the cost can be reduced; when the prepared corrosion inhibitor is applied to CO2 oil displacement produced liquid corrosion inhibition, an excellent corrosion inhibition effect can be shown, and corrosion hazards in CO2 oil displacement application are greatly reduced.

The invention provides three-vinylon rib and microcapsule self-repairing concrete and a preparation method thereof, and belongs to the technical field of building materials. Basalt fibers and polyvinyl alcohol fibers are blended, and obtained blended fibers are subjected to determinant three-dimensional weaving to prepare three-dimensional composite fibers; and soaking the three-dimensional composite fiber in epoxy resin, coating a mixture of diethylenetriamine and ethylenediamine, drying and curing to obtain the three-vinylon rib. And coating the epoxy resin with polyphenylene sulfide to prepare the microcapsule. And then mixing the three-vinylon rib and the microcapsule with concrete slurry to prepare the three-vinylon rib and microcapsule self-repairing concrete. The compressive strength and breaking strength of the three-vinylon rib and microcapsule self-repairing concrete obtained by adopting the method are remarkably improved, and meanwhile, the three-vinylon rib and microcapsule self-repairing concrete also has excellent self-repairing capability.

The invention provides degradation liquid capable of degrading amine cured epoxy resin, a degradation recovery method and a regeneration method of the amine cured epoxy resin. The degradation liquid comprises an amine compound, an inorganic alkali solution and water. Wherein the ratio of the amine compound is 15%-30%, the ratio of the inorganic alkali solution is 6%-20%, and the balance is water; the amine compound comprises monoethanolamine, diethylenetriamine and triethylene tetramine in a volume ratio of 1: (1-2): (1-2). In the degradation liquid disclosed by the invention, monoethanolamine realizes amidation of degradable weak bonds in an epoxy resin cured substance under the promotion of diethylenetriamine and triethylene tetramine, and realizes degradation of amine cured epoxy resin; the degradation liquid provided by the invention can be used for rapidly and completely degrading a degradable epoxy resin cured product at a relatively low degradation temperature (about 100 DEG C), the degradation product is simply separated and purified to resynthesize the degradable epoxy resin, and the degradation liquid can be recycled through simple distillation.

The disclosure relates to a multi-layered laminate comprising multiple metal foil layers and multiple dielectric (insulating) layers. At least one of the insulating layers includes a copolymer containing diisoalkenylarene (DIAEA) and divinylarene (DVA) units, optionally combined with a filler and / or another dielectric polymer. Another insulating layer includes another dielectric polymer distinct from the DIAEA-DVA copolymer. At least one copolymer-containing insulating layer is positioned adjacent to a metal foil layer. This copolymer layer enhances thermal stability at elevated temperatures and provides improved electrical performance such as reduced dielectric constant (Dk) and dissipation factor (Df) along with excellent processability.

Sorbent material capable of reversibly binding carbon dioxide, for separating gaseous carbon dioxide from a gas mixture, preferably from at least one of ambient atmospheric air (1), flue gas and biogas, preferably for direct air capture, in particular using a temperature, vacuum, or temperature / vacuum swing process, wherein said sorbent material (3) is a particulate copolymeric material based on at least one of amino mono allyl and amino mono vinyl monomeric building blocks or precursors thereof copolymerized and cross-linked with divinyl building blocks, wherein the at least one of amino mono allyl and amino mono vinyl monomeric building blocks or precursors thereof are non-aromatic monomeric building blocks with 2 - 4 carbon atoms, and wherein the molar proportion of the divinyl building blocks to the sum of the divinyl building blocks and the at least one of amino mono allyl and amino mono vinyl monomeric building blocks or precursors thereof and, if present, further building blocks, is in the range of 10-20%.

The invention discloses an imidazole polymer electrolyte membrane in an energy storage lithium battery, and a preparation method and application thereof, and belongs to the field of polymer electrolyte. The method comprises the following steps: reacting 1-ethylimidazole with n-butyl bromide to prepare brominated 1-ethyl-3-butylimidazole; the preparation method comprises the following steps: preparing 1-ethyl-3-butylimidazole bis (fluoromethane sulfonyl) imide salt from brominated 1-ethyl-3-butylimidazole and lithium bis (fluoromethane sulfonyl) imide; the preparation method comprises the following steps: uniformly mixing 1-ethyl-3-butylimidazolium bis (fluoromethane) sulfonimide salt, polyethylene glycol methyl ether methacrylate, acrylonitrile, lithium bis (trifluoromethane) sulfonimide, divinylbenzene and benzoin diethyl ether, coating and curing to obtain the imidazolium ionic liquid polymer electrolyte membrane. According to the imidazolium ionic liquid polymer electrolyte membrane, integration of triple functions of rigid framework-flexible transmission-interface stability is realized, and the electrical property and the mechanical property of the membrane are remarkably improved.

The present invention relates to a composite boron powder and a preparation method thereof. The composite boron powder is prepared by a secondary condensation method using a vinylidene fluoride / propylene alcohol copolymer as a compounding agent, a polyethylene glycol monobutyl ether acrylate / acrylonitrile / allylamine / hydroxyethyl acrylate copolymer as an auxiliary compounding agent, an epoxy resin as a high-strength composite adhesive, and diethylenetriamine as a curing agent. The amounts of the components are based on the mass of the boron powder: the mass of the vinylidene fluoride / propylene alcohol copolymer is 1-2% of the mass of the boron powder, the mass of the polyethylene glycol monobutyl ether acrylate / acrylonitrile / allylamine / hydroxyethyl acrylate copolymer is 0.3-1% of the mass of the boron powder, the mass of the epoxy resin is 2-3% of the mass of the boron powder, and the mass of the diethylenetriamine is 0.15-0.4% of the mass of the boron powder.

The preparation process comprises the following steps: performing vacuum dehydration on alpha, omega-divinyl polydimethylsiloxane and phenyl siloxane under the protection of inert gas to prepare a basic rubber material; then adding the modified nano silicon dioxide filler in batches in a gradient manner, and dispersing at a stepped rotating speed to form a uniformly mixed sizing material; then polycarbonate powder treated by a silane coupling agent is introduced for high-speed dispersion to form a component A precursor, and after the component A precursor is mixed with a component B containing a hydrogen silicone oil cross-linking agent / platinum catalyst, the self-adhesive silicone rubber with high interface bonding force is prepared by adopting a stepped temperature procedure; according to the method, the bonding strength of polycarbonate powder is improved through gradient filler dispersion in batches, the tensile strength of the material is improved through silane treatment, the curing reaction rate is matched with the interface wetting speed through a stepped curing procedure, the strength is kept while rapid curing is conducted, and the effects of high bonding strength and rapid curing are effectively achieved.

The invention relates to a low-temperature-resistant PP composite board and a preparation method thereof, and belongs to the technical field of polymer composite materials. The PP composite board is prepared from the following raw materials in parts by weight: 100 parts of PP resin, 13 to 18 parts of POE (Polyolefin Elastomer) resin, 15 to 22 parts of glass fiber powder, 4 to 6 parts of compatibilizer, 0.65 to 0.82 part of low-temperature-resistant additive, 1.2 to 1.5 parts of lubricant and 0.1 to 0.12 part of antioxidant, the low-temperature-resistant additive is prepared by the following steps: performing amidation reaction on paraphthaloyl chloride and diethylenetriamine to prepare a chain amide compound with small molecular weight, substituting (3-iodopropyl) trimethoxysilane and an imine structure in a molecular chain of the chain amide compound, and introducing a methoxysilane structure to a side chain for substitution; due to the introduction of the low-temperature-resistant additive, the composite board has good low-temperature impact resistance and excellent creep resistance.

The invention discloses an additive for a vanadium battery electrolyte, the electrolyte and a preparation method of the electrolyte. The additive comprises an inorganic additive and an organic additive, the inorganic additive comprises magnesium aluminum silicate and modified nano silicon dioxide; the organic additive is prepared from diethylenetriamine and chitosan. The mass ratio of the inorganic additive to the organic additive is 3: (1.5-2.5); the mass ratio of the magnesium aluminum silicate to the modified nano silicon dioxide is 1: (1.2-1.5); the mass ratio of the diethylenetriamine to the chitosan is (0.8-1): 3.5. By utilizing the synergistic effect of the components of the additive, the oxidation of divalent vanadium ions can be effectively inhibited, the self-agglutination of pentavalent vanadium ions is prevented, the precipitation of the pentavalent vanadium ions is prevented, the stability of the vanadium battery electrolyte is greatly improved, the added additive has no influence on the acidity and viscosity of the vanadium battery electrolyte, and the service life of a vanadium battery electrolytic stack is prolonged.

The invention discloses preparation of thermocuring benzocyclobutenyl MQ silicon resin and application of the thermocuring benzocyclobutenyl MQ silicon resin in preparation of glass fiber composites.The preparation method comprises the steps that an organic silicon source, a solvent, a catalyst and water are stirred to react for 30-90 min at the temperature of 30-50 DEG C, and a mixed solution A is formed; uniformly mixing divinyl siloxane-dibenzocyclobutene and a solvent to form a mixed solution B, adding the mixed solution B into the mixed solution A, heating to 65-80 DEG C, and reacting for 1-3 hours; after the reaction is finished, adding an organic phase for extraction, washing with water for multiple times until the solution is neutral, performing vacuum distillation to remove the solvent, and performing vacuum drying; the thermocuring benzocyclobutenyl MQ silicon resin is obtained. Cured resin formed by thermal crosslinking of the thermocuring benzocyclobutenyl MQ silicon resin has relatively excellent dielectric properties, mechanical properties, heat resistance and chemical stability, and then the cured resin and glass fibers are used for preparing a composite material with the properties of low dielectric, high tensile strength, high bending strength, chemical stability, heat resistance and the like.

The present application relates to a kind of carbon dioxide mineralization method and carbon dioxide mineralization device.The carbon dioxide mineralization method includes the following steps: mixing absorption liquid and industrial solid waste at room temperature, obtain mortar;Make mortar solid-liquid separation, obtain clear liquid and thick slurry;Carbon dioxide in flue gas is absorbed by clear liquid, obtain carbon-rich absorption liquid;Carbon-rich absorption liquid and thick slurry occur mineralization reaction at 180 DEG C-220 DEG C, obtain mineralized slurry;Make mineralized slurry solid-liquid separation, obtain mineralized ash and mineralized clear liquid;Wherein, absorption liquid includes inorganic base and organic base, organic base includes monoethanolamine, diethanolamine, triethanolamine, 3-methylaminopropylamine, N-methyl diethanolamine, piperazine, diethylene triamine, triethylene tetramine, tetraethylene pentamine and 2-amino-2-methyl-1-propanolamine at least two kinds.The method greatly improves CO2 capture rate and CO2 utilization rate, and organic base consumption is less, absorption liquid regeneration energy consumption is low, and overall economy is good.

The application discloses an oil and gas field polymer solution viscosity protection system with improved ferrous ion tolerance, and belongs to the technical field of oil and gas field chemicals.The system comprises the following components in mass percentage: 5-10% of a ferrous ion stabilizer, 10-20% of a free radical capturing agent, 10-20% of a structure reinforcing agent, 5-10% of a synergist, and the balance of water; the ferrous ion stabilizer is at least one selected from sodium gluconate, potassium gluconate, diethylene triamine pentaacetic acid and hydroxyethylidene diphosphonic acid; the free radical capturing agent is a compound containing phenolic hydroxyl; the structure reinforcing agent is an imidazoline compound; and the synergist is an aldehyde compound.The application method of the viscosity protection system is as follows: the viscosity protection system is first added into liquid water, polymer powder is then added, a gel breaker is further added, and stirring is uniformly performed to obtain a polymer solution.The viscosity protection system significantly reduces the influence of ferrous ions on the viscosity of the polymer solution, and improves the application effect of polyacrylamide substances in the field of oil and gas fields.

The invention provides a preparation method of a non-bulking waterproof moisture-permeable TPU film, and belongs to the technical field of TPU film preparation, and the preparation method of the non-bulking waterproof moisture-permeable TPU film comprises the following steps: stirring raw materials by a high-speed mixer for mechanical mixing; carrying out chemical reaction on the raw material, a divinylbenzene-ethyl acrylate-acrylamide copolymer and butylated hydroxytoluene, and adding tetrahydrofuran to adjust the viscosity of a reaction system, so as to obtain a TPU film material; heating, pressurizing and extruding the mixture through a screw extruder to form a film, plasticizing TPU particles into a semi-finished product, and filtering impurities and re-plasticizing on a filter of calendering equipment; carrying out annealing treatment, cooling in cold water, and pulling out the cooled TPU stretching film from a demolding opening of the demolding machine; the problems that an existing TPU film is poor in preparation size stability and prone to deformation can be solved.

The invention relates to the field of coatings, in particular to a solvent-free epoxy coating. The solvent-free epoxy coating comprises a component A and a component B, wherein the component A comprises bisphenol A type epoxy resin, a reactive diluent, a flatting agent, a defoaming agent and an anti-settling agent; and the component B comprises a curing agent oxalic acid modified isophorone diamine and a Mannich base modified diethylenetriamine. After the curing agent provided by the invention is used, the surface drying time and the hard drying time are obviously improved, and the coating can be completely cured more quickly, so that the coating can be subjected to subsequent processing treatment or put into use in advance, and the whole production process is accelerated.

The invention relates to the technical field of composite films for BIB packaging inner bags, and discloses a high-barrier single-material sterile BIB packaging bag and a preparation process thereof, the preparation process comprises the following steps: using vanillin, 3-bromopropene, gallic acid, diethylenetriamine and 1, 3-acetonedicarboxylic acid as raw materials to prepare a gallic acid type grafting monomer; the preparation method comprises the following steps: carrying out melt grafting modification treatment on LDPE (Low-Density Polyethylene) resin by using a gallic acid type grafting monomer, and compounding with graphene oxide through pi-pi accumulation action and hydrogen-bond interaction to prepare the graphene-polyethylene composite master batch with an antioxidant function; the preparation method comprises the following steps: preparing a polyethylene master batch, introducing the master batch into a seven-layer co-extruded film to prepare a polyethylene co-extruded film, and preparing the high-barrier single-material sterile BIB packaging bag by taking the co-extruded film as a raw material of an inner bag of the BIB packaging bag. The polyethylene co-extruded film prepared by the invention still shows excellent mechanical properties and barrier properties after being treated by a radiation sterilization technology, and can be used instead of an existing aluminized polyester bag.

The invention discloses melamine glazing powder and a preparation method thereof, and belongs to the technical field of melamine glazing resin. The method is used for solving the technical problems that in the prior art, a melamine glazing powder synthesis process is poor in surface brightness and smoothness and is not resistant to high temperature. The preparation method of the melamine glazing powder comprises the following steps: uniformly mixing and ball-milling a primary material, a lubricant, a curing agent, hybrid resin and poly-2, 2 '-(m-phenyl)-5, 5'-bis-benzimidazole to prepare the melamine glazing powder. Wherein methyl acrylate and divinylbenzene are subjected to suspension copolymerization to synthesize a suspension copolymer; 4-chloromethylstyrene is cross-linked with the suspension copolymer, and composite resin is prepared; and hydrolyzing tetraethyl orthosilicate in the composite resin to prepare the hybrid resin. When melamine and formaldehyde are subjected to polycondensation, p-toluenesulfonamide is adopted for modification, so that the smoothness and the brightness value of the prepared melamine glazing powder are improved. The melamine glazing powder prepared by the invention has the advantages of high surface brightness and smoothness and high temperature resistance.

The present invention relates to the technical field of anti-aging resins, and specifically discloses an anti-aging PPO resin for copper clad laminates and a preparation method thereof. In the present invention, aminated lignin is prepared by aminating lignin with a mixed solution of diethylenetriamine and 2,2'-dipyridine-6,6'-diamine, and ZnO / ZIF-8-NH is prepared by a one-pot method. 2 . The molecular weight of polyphenylene oxide is regulated by bisphenol A to obtain low-molecular-weight polyphenylene oxide. The low-molecular-weight polyphenylene oxide is reacted with a dispersion liquid of ZnO / ZIF-8-NH 2 and aminated lignin under certain conditions to obtain a composite additive. The polyphenylene oxide, the composite additive, and the epoxidized polyphenylene oxide are uniformly mixed to obtain the anti-aging PPO resin.

The invention provides polyester resin for a transparent powder coating with excellent adhesive force and leveling as well as a preparation method and application of the polyester resin, and belongs to the technical field of powder coatings. The polyester resin is mainly prepared by taking diethylenetriamine pentaacetic acid, triethyl chlorosilane, 1, 6-hexanediol, N, N-diisopropylethanolamine, 2, 2-dimethyl propanol, neopentyl glycol, 3, 3-tetramethylene glutaric anhydride, 1, 4-cyclohexanedimethanol and the like as raw materials through polymerization. The obtained polyester resin chain segment has many branched structures, the number of amino groups and ester groups in the branched structures is large, the softening point is low, the low-temperature melting fluidity is good, the transparency is high, the adhesive force with a base material is good, then high-functionality diethylenetriamine pentaacetic acid is adopted for carboxyl end capping, the terminal carboxyl functionality is high, the curing activity is high, and the curing effect is good. After being cured with E-12 epoxy resin at low temperature, a coating film is good in leveling property and high in transparency, and can be used in the fields of thermosensitive base materials which are not easy to adhere, such as thin glass materials and the like.

The invention provides a preparation method of a porous carbon material with a half-slope platform type aperture structure, which comprises the following steps: carrying out hydrothermal reaction on alkali lignin, polyamine and a formaldehyde solution to obtain aminated alkali lignin; carrying out a cross-linking reaction on the aminated alkali lignin and a dialdehyde mixture to obtain a precursor; uniformly mixing the precursor with a pore-foaming agent, carbonizing and activating to obtain a porous carbon material with a half-slope platform type pore diameter structure; the polyamine is selected from one or a combination of two or more of diethylenetriamine, triethylene tetramine and tetraethylenepentamine, and preferably, the polyamine is tetraethylenepentamine. Firstly, polyamine is grafted on the surface of alkali lignin through Mannich reaction, then a dialdehyde mixture compounded by aliphatic dialdehyde and dialdehyde thiophene derivatives is used as a cross-linking agent, and the alkali lignin is cross-linked and cured through reaction between aldehyde groups and amino groups to form a complex highly cross-linked structure. Defects generated during carbonization and pyrolysis of alkali lignin are reduced, and the capacity of inhibiting silicon volume expansion is improved.

This invention discloses a fluorine-free, environmentally friendly nanomaterial for pretreatment of metal surfaces, its preparation method, and its application method, belonging to the field of coating pretreatment technology. The fluorine-free, environmentally friendly nanomaterial for pretreatment of metal surfaces provided by this invention includes ammonium zirconia nanoparticles and an adsorption modifier; the ammonium zirconia nanoparticles are obtained by coordination aggregation of ammonium ions and hydrated zirconium ions, and the adsorption modifier is obtained by reacting a metal oxide salt with diethylenetriaminepentamethylenephosphonic acid; the metal oxide salt includes one or more of hafnium, technetium, or antimony. The nanomaterial provided by this invention exhibits rapid film formation and high corrosion resistance on metal substrate surfaces. The material does not contain fluorine, avoiding fluorine pollution. The preparation and application processes are environmentally friendly and simple, and it has broad application prospects in the field of coating pretreatment.

To provide a polyfunctional vinyl aromatic copolymer having reactivity and solubility that can be used for manufacturing a copolymer rubber, and a copolymer rubber material having processability, strength and homogeneity obtained therefrom.SOLUTION: A polyfunctional vinyl aromatic copolymer includes: 5 mol% or more and 30 mol% or less of a structural unit (a) derived from a divinyl aromatic compound, 5 mol% or more and 20 mol% or less of a structural unit (b) derived from a monovinyl aromatic compound, and 50 mol% or more and 90 mol% or less of a structural unit (c) derived from an acenaphthylene-based compound. At least some of the structural units (a) are vinyl group-containing structural units (a1) represented by the following formula (1) (where, R1 represents an aromatic hydrocarbon group having 6-30 carbon atoms). The molar fraction of the vinyl group-containing structural unit (a1) relative to the total of structural units (a), (b), and (c) is in the range of 0.01-0.30.SELECTED DRAWING: None

The invention relates to a novel rubber material, in particular to white low-density flame-retardant silicone rubber as well as a preparation method and application thereof. The white low-density flame-retardant silicone rubber comprises first vinyl-terminated polysiloxane, second vinyl-terminated polysiloxane, hydrogen-containing polysiloxane, an acyloxy silane coupling agent, a platinum catalyst, an alkynol inhibitor, an inorganic flame-retardant filler, white carbon black and a synergistic flame-retardant system. The white low-density flame-retardant silicone rubber disclosed by the invention is liquid silicone rubber and has the advantages of white color, low density, excellent flame-retardant effect, good processability and the like.

The present invention is a method of preparing a Time Temperature Indicator using inkjet printing. The aqueous inkjet printing liquid includes encapsulated diacetylene compounds.

The application discloses a pyrrole polymer electrolyte film in an energy storage lithium battery and a preparation method and application thereof, and belongs to the polymer electrolyte field. The method comprises the following steps: reacting 1-methyl pyrrolidine and bromine n-butane to prepare 1-methyl-1-butyl pyrrolidine bromide; preparing 1-methyl-1-butyl pyrrolidine difluoromethane sulfonimide salt ionic liquid by mixing the 1-methyl-1-butyl pyrrolidine bromide and lithium difluoromethane sulfonimide; mixing 1-methyl-1-butyl pyrrolidine difluoromethane sulfonimide salt ionic liquid, polyethylene glycol methyl ether methacrylate, acrylonitrile, lithium bistrifluoromethanesulfonimide, divinylbenzene and benzoin ethyl ether uniformly, coating and curing to obtain a pyrrole ionic liquid polymer electrolyte film. The application combines the molecular configuration of the pyrrolidine-based ionic liquid and the topological structure of the polymer network, realizes triple optimization of ion transmission-mechanical strength-interface stability.

The present application relates to the technical field of powder coatings, and more specifically, it relates to a wear-resistant pipeline powder and a preparation method thereof. A wear-resistant pipeline powder comprises the following raw materials in parts by weight: 20-30 parts of polyurethane powder, 40-50 parts of modified epoxy resin powder, 8-14 parts of curing agent, 15-25 parts of nano wear-resistant particles and 4-6 parts of auxiliary agent; the modified epoxy resin comprises adipic acid-based epoxy resin and bisphenol A-type epoxy resin, the curing agent is obtained by mixing diethylenetriamine and polyamide curing agent 650, and the wear-resistant particles are molybdenum disulfide / copper sulfide nano hybrid materials. The coating obtained by curing the pipeline powder of the present application has excellent low-temperature wear resistance and antibacterial properties.

The invention provides an azo dye adsorbent preparation method, which comprises: S1, carrying out alkali treatment on a pyrolytic coke raw material to obtain porous pyrolytic coke; s2, introducing inert gas into the organic amine solution to obtain inert gas carrying organic amine; the organic amine comprises at least one of diethanol amine, hydroxyethyl ethylenediamine and diethylenetriamine; and S3, placing the porous pyrolytic coke in a reactor, then introducing inert gas carrying organic amine into the reactor, and carrying out organic amine modification on the porous pyrolytic coke by adopting a low-temperature plasma technology to obtain the azo dye adsorbent. According to the method, the pyrolytic coke is adopted as the raw material, resource utilization of the waste heat pyrolytic coke is achieved while pollution is reduced, the waste heat pyrolytic coke obtains the use value again through recycling and reprocessing, and resource waste is effectively reduced. The azo dye adsorbent obtained by adopting the preparation method disclosed by the invention has an excellent adsorption effect and has a good application prospect in azo dye wastewater treatment.