3127 results about "Double bond" patented technology

The invention discloses a photo-thermal aging resistant polyester composite material and a preparation method thereof, a modified monomer, a modified filler, benzophenone, terephthalic acid and neopentyl glycol are subjected to esterification condensation polymerization to prepare the composite material, and the modified monomer is added, so that the prepared polyester molecule is of a branched structure; the side chain of a polyester molecule and the surface of the modified filler both contain unsaturated double bonds which can react after being irradiated by ultraviolet light, so that the number of crosslinking points of the composite material is increased, the crosslinking density is further improved, and the anti-aging effect of the material is further improved; the modified filler can improve the high-temperature-resistant effect of the composite material, the modified filler is matched with the hindered phenol structure of the side chain to further improve the heat aging-resistant effect of the composite material, hydroxyl and ketone groups on the modified filler form intramolecular hydrogen bonds, light energy can be converted into heat energy to be released, and then the light aging-resistant effect of the composite material is improved.

The invention belongs to the technical field of flame retardants, and particularly relates to a high-thermal-stability polyphosphate flame retardant and a preparation method thereof. The DOPO is modified through the polyethylene glycol acrylate, methyl methacrylate and dicumyl peroxide composite solution, double bonds of the polyethylene glycol acrylate and P-H bonds of the DOPO can be subjected to nucleophilic addition to form stable C-P bonds, and thermal migration of the DOPO is hindered; dOPO has polymerization double bonds of methyl methacrylate and long carbon chains of polyethylene glycol acrylate, so that the compatibility of the polyphosphate flame retardant and a polymer substrate is improved, and phase separation is avoided; maleic anhydride grafted silicone oil is connected to the surface of an amino modified gamma-cyclodextrin-modified DOPO inclusion compound, so that the polyphosphate flame retardant has high thermal stability and high compatibility after long-chain alkyl modification; amino groups in the modified gamma-cyclodextrin react with maleic anhydride grafted silicone oil to generate an amido bond cross-linked network, so that the thermal migration of DOPO is reduced together, and the high thermal stability of the polyphosphate flame retardant is improved.

The invention discloses a wear-resistant and impact-resistant composite PVC material and a preparation method thereof, and belongs to the technical field of high polymer materials, the wear-resistant and impact-resistant composite PVC material comprises the following raw materials by weight: 80-100 parts of epoxy polyvinyl chloride, 10-15 parts of a plasticizing stabilizer, 10-12 parts of an impact modifier, 0.5-2 parts of a lubricant, 5-10 parts of a filler, 2-3 parts of an antioxidant and 2-3 parts of a heat stabilizer; the preparation method comprises the following steps: preparing a metal soap stabilizer, absorbing pyrolysis gas, decomposing to generate metal chloride, enhancing the flame retardant property of the material, and uniformly dispersing the metal soap stabilizer as a filler in the material, so that an epoxy group in the prepared modifier absorbs hydrogen chloride and hybridizes a polyvinyl chloride chain segment at the same time, thereby enhancing the flame retardant property of the material. And a double-bond structure reacts with pyrolysis free radicals to generate an annular structure, so that the impact resistance of the material is enhanced.

The invention relates to an isoterpinene 4, 8-epoxide synthesis method, which comprises: blending an isoterpinene raw material, a catalyst, a catalyst auxiliary agent and a solvent, stirring to form a mixture solution, carrying out a mixing reaction on the mixture solution and an oxidizing agent in a reactor, purifying, and drying to obtain the isoterpinene 4, 8-epoxide. And 2, 8-epoxide. According to the synthesis method of the isoterpinene 4, 8-epoxide, an adopted reaction system is moderate in oxidability and mild in reaction condition, double bonds at the fourth position can be directionally oxidized, high oxidation selectivity is achieved, and finally the highest selectivity of the isoterpinene 4, 8-epoxide can reach 95% or above; meanwhile, the method overcomes the defect that the existence of water in a catalytic system in the prior art easily causes ring-opening hydrolysis of epoxidation reaction, accelerates the epoxidation reaction process, shortens the reaction time, and increases the yield of the product, and the highest yield can reach 88% or above.

The invention relates to a dynamic-covalent hybrid cross-linked hydrogel material as well as a preparation method and application thereof. The preparation method comprises the following steps: dissolving a component A-phenylboronic acid modified polymer derivative in a biocompatible medium to obtain a solution A; dissolving a component B, namely a macromolecular derivative containing a vicinal diol group, into a biocompatible medium to obtain a solution B; dissolving a component C-double bond group modified polymer derivative in a biocompatible medium to obtain a solution C; and mixing the solution A, the solution B and the solution C with certain concentrations for a certain time, and performing illumination under a photoinitiator for a certain time to obtain the dynamic-covalent hybrid cross-linked hydrogel material. Compared with single dynamic bond crosslinking or covalent bond crosslinking, the prepared hydrogel material has machinability and mechanical stability; the hydrogel material has plasticity, shear thinning, self-repairing property and the like in the early stage of crosslinking; enough mechanical strength and long-term stability are realized in the later stage of crosslinking.

The invention provides a light conversion film composition. The light conversion film composition comprises the following components in percentage by weight: matrix resin, a light conversion agent and an auxiliary agent, the light conversion agent is a benzotriazole compound, and the auxiliary agent is an organic solvent. The structural general formula of the benzotriazole compound is as follows: # imgabs0 # R1 and R2 are respectively and independently selected from any one or more of H, C1-C20 alkyl and C1-C20 alkyl with at least one methylene substituted by a polyether chain segment, and R3 is independently a chain segment containing a carbon-carbon unsaturated double bond.

The invention relates to the technical field of adsorbents, in particular to modified sodium alginate as well as a preparation method and application thereof. The modified sodium alginate is prepared from the following raw materials: sodium alginate, an activating agent, a sulfhydrylation reagent, a carboxylic acid compound containing unsaturated double bonds and an initiator. Natural polysaccharide sodium alginate is adopted as a raw material, the natural polysaccharide sodium alginate is wide in source, non-toxic and biodegradable, a functional group carboxyl is introduced into sodium alginate through a thiol-ene click reaction, adsorption active sites on the surface of the modified sodium alginate are increased, methylene blue and ciprofloxacin in water can be effectively adsorbed and removed, and the service life of the modified sodium alginate is prolonged. And after multiple times of cyclic adsorption-desorption, relatively good adsorption performance can be maintained.

The invention belongs to the technical field of thin film capacitors, and particularly relates to a chemical grafting modified polypropylene capacitor film material and a preparation method and application thereof. According to the preparation method of the chemical grafting modified polypropylene capacitor film material, provided by the invention, diethylenetriamine ethyl acrylate with a plurality of specific groups such as amino groups and carboxyl groups and unsaturated double bonds is synthesized through esterification reaction, and the diethylenetriamine ethyl acrylate is introduced into a polypropylene material through chemical grafting to obtain chemical grafting modified polypropylene; the prepared polypropylene capacitor film material has the excellent properties of good compatibility, difficulty in film breakage, capability of adsorbing and removing residual moisture, difficulty in oxidation corrosion, excellent breakdown resistance and the like, and the preparation method is a preparation method of the high-performance polypropylene capacitor film material; therefore, the technical problem that a polypropylene capacitor film material prepared in the prior art is low in performance is solved.

The invention relates to the technical field of composite pipes, and discloses a wear-resistant acid-corrosion-resistant environment-friendly anti-explosion PE pipe. The pipe adopts a multi-layer co-extrusion structural design, and comprises a wear-resistant inner layer, a reinforced middle layer and a protective outer layer. High-density polyethylene is used as a base material, silicon carbide particles and aluminum oxide particles with the surfaces subjected to multifunctional modification are combined to serve as reinforcing filler, and functional polyethylene is used as a base interface modification material, so that the problems that in a traditional pipe, particles and a base interface are low in bonding force, uneven in dispersion, prone to falling off and the like are solved. Carboxyl and unsaturated double bonds are introduced into the functionalized polyethylene through a maleic anhydride grafting technology, so that efficient chemical combination of particles and a matrix is realized, and the mechanical property and the chemical stability of the composite material are improved. The inner layer enhances wear resistance through high particle content, the middle layer provides support and corrosion resistance, and the outer layer improves weather resistance and protection performance of the pipe.

Photoswitchable photoinitiators comprising a photochromic molecule including one or more substituents and including a polycyclic group attached to the photochromic molecule as a substituent or to a substituent on the photochromic molecule, the polycyclic group including at least two fused rings of atoms, wherein at least one of the fused rings of atoms includes a carbon atom with a substituent comprising a double bonded oxygen, and wherein the photochromic molecule and polycyclic group have no ring member in common. Photohardenable compositions, hardenable resin compositions, and methods for forming an object, which photohardenable compositions, hardenable resin compositions, and methods include a photoswitchable photoinitiator described herein, are also disclosed.

The invention relates to a solvent-resistant medical connecting line sheath material and a preparation method thereof, and belongs to the technical field of high polymer materials. The sheath material is prepared from the following components: 38 to 44 weight percent of passivated toughening agent, 1.5 to 1.8 weight percent of heat stabilizer, 0.7 to 0.9 weight percent of lubricant, 0.12 to 0.15 weight percent of antioxidant and the balance of PVC (Polyvinyl Chloride) resin, the passivated toughening agent is prepared by the following steps: carrying out amine ester exchange reaction on 4-hydroxybutylamine and dimethyl difluoromalonate, introducing an alcohol-terminated hydroxyl group, carrying out substitution with dichloromethylvinylsilane to form a fluorine-containing chain compound, and finally carrying out double bond addition on methyl thioglycolate and a side chain; the passivation toughening agent is compatibilized through branched chain methyl ester and dynamically coordinated with a PVC molecular chain through a side chain thioether group, weakens the acting force between PVC chains, plays a good toughening role, inhibits dissolution through physical crosslinking, shields and passivates the PVC molecular chain, and relieves swelling of PVC in a solvent.

The invention discloses an anti-scale cross-linked polymer fracturing fluid and a preparation method thereof, and relates to the technical field of petroleum fracturing fluids. When the anti-scale cross-linked polymer fracturing fluid is prepared, allylamine hydrochloride and epoxy chloropropane react to prepare a double-bond chlorinated intermediate; reacting the double-bond chlorinated intermediate with lauramidopropyl dimethylamine to prepare a cationic monomer; copolymerizing a cationic monomer and acrylamide to prepare a cationic polymer; the preparation method comprises the following steps: reacting L-lysine with formaldehyde and phosphorous acid to prepare phosphoric acid modified lysine; reacting the phosphoric acid modified lysine with allyl glycidyl ether to prepare a phosphoric acid modified monomer; acrylamide and an anionic monomer are copolymerized to prepare an anionic polymer; the anionic polymer and the cationic polymer are dissolved in water to prepare the anti-scale cross-linked polymer fracturing fluid. The anti-scale cross-linked polymer fracturing fluid prepared by the invention has the advantages of scale prevention, good temperature resistance, good shear resistance and self-crosslinking.

The invention discloses a nano material modified alcohol amine grinding aid as well as a preparation method and application thereof, and the preparation method comprises the following steps: firstly, carrying out esterification reaction on alcohol amine and an acid small monomer containing double bonds to generate an esterification product; then, carrying out bulk polymerization on the esterification product and a silane coupling agent KH-570; and finally, combining the bulk polymerization product with the nano-material through a dehydration reaction of a silane coupling agent and hydroxyl on the surface of the nano-material to form the nano-material modified alcohol amine grinding aid. According to the invention, the nano material is directly grafted into the alcohol amine, so that the dispersity of the nano material in the cement grinding process can be effectively optimized, the friction force and energy consumption among cement particles can be reduced, the efficiency and stability of the cement production process can be improved, and the strength and durability of the cement product are improved.

The invention belongs to the technical field of organic electro-oxidation electrode materials, and particularly relates to a fullerene modified transition metal hydroxide nano array material as well as a preparation method and application thereof. A transition metal hydroxide nano array grows in situ on a current collector through solvothermal reaction, surface amino modification is achieved by means of grafting of a silane coupling agent with amino, and finally the transition metal hydroxide nano array material with the surface modified by fullerene is obtained through addition reaction of amino and fullerene carbon-carbon double bonds. The strong electron-withdrawing capability of the fullerene is beneficial to optimizing the surface electron structure of the material, so that the intrinsic catalytic activity is improved; meanwhile, fullerene can promote adsorption and enrichment of an organic substrate on the surface of the material through a conjugated pi bond, a hydrophobic effect and the like, so that the mass transfer efficiency is improved. Benefited from the lifting mechanism, the obtained nano array material has the advantages of high electrocatalytic activity and high mass transfer efficiency, and can be widely applied to a series of organic electrooxidation reactions.

The invention discloses degradable tough epoxy resin with a cation-pi effect and a preparation method of the degradable tough epoxy resin. The epoxy resin is composed of multi-arm mercaptan containing ester groups, ionic liquid containing unsaturated double bonds and with the cation-pi effect and epoxy resin. According to the present invention, the multi-arm mercaptan containing the ester group, the unsaturated double bond ionic liquid and the epoxy resin can be combined through the light-heat dual curing process to construct the high toughness degradable epoxy resin system, and the whole method is green, simple and easy to operate. The energy dissipation capacity of the epoxy resin containing the cation-pi action is remarkably improved when the epoxy resin is stimulated by the outside, and cation-pi action sites uniformly dispersed in a network play a key role in the balance of rigidity and toughness under repeated loading-unloading circulation. Besides, ester groups in the structure enable the synthesized epoxy resin to have excellent degradation performance, hydrogen atoms in imidazole and the ester groups can form intermolecular hydrogen bonds, the degradation process of the resin is accelerated, and rapid degradation under the amine / alkaline condition is achieved.

The invention provides a diaphragm and a battery, the diaphragm comprises a base material layer and a coating layer located on one side surface or two side surfaces of the base material layer, the coating layer comprises a first coating layer and a second coating layer, the first coating layer comprises first particles with the component of an organic compound, and the second coating layer comprises second particles with the component of an organic compound. The unit molecular structure of the organic compound comprises at least one of a carbon-carbon double bond, a phosphorus-oxygen double bond, a carbon-nitrogen double bond, a carbon-sulfur double bond and a carbon-oxygen double bond; the second coating is of a porous structure formed by taking a fluorine-containing polymer as a continuous phase, through holes are formed in the surface of the second coating, and in the 100 [mu] m * 100 [mu] m area of the surface of the second coating, the orthographic projection area of the through holes on the base material layer and / or the first coating accounts for 10%-90% of the surface area of the diaphragm. According to the diaphragm and the battery, the stability of the CEI membrane at high temperature can be improved, the rupture of the CEI membrane is reduced or even avoided, and the high-temperature intermittent cycle capacity retention rate and the recovery capacity retention rate after high-temperature storage of the battery are improved.

The invention belongs to the technical field of high polymer materials, and particularly relates to a polyurethane-acrylate emulsion with a core-shell structure as well as a preparation method and application of the polyurethane-acrylate emulsion. Double bonds and keto groups are introduced into polyurethane to form a core-shell structure with acrylate as a core and polyurethane as a shell and a keto-hydrazine crosslinking double-crosslinking system with acrylate as a core and polyurethane as a shell, and a water-based acrylate dispersion and a water-based polyurethane dispersion form double crosslinking through double bonds and keto-hydrazine crosslinking, so that the effect of complementary advantages is achieved; therefore, the water-borne wood paint resin with excellent comprehensive performance is obtained. Performance test results show that the polyurethane-acrylate emulsion film with the core-shell structure has good adhesive force, glossiness, hardness, wear resistance and water resistance, and is suitable for being used as water-borne wood paint.

The invention provides a chemical bonding type rare earth light conversion film and a preparation method and application thereof, and the preparation method comprises the following steps: (1) mixing a rare earth light conversion material, a photoinitiator and master batch resin, and extruding to obtain a rare earth light conversion master batch; and (2) mixing the rare earth light conversion master batch obtained in the step (1) with matrix resin, and extruding to obtain the chemical bonding type rare earth light conversion film, the molecular structure of the rare earth light conversion material contains unsaturated double bonds; in at least one of the step (1) and the step (2), the step of ultraviolet irradiation is further included after extrusion is finished. According to the preparation method, the chemical bonding type rare earth light conversion film is prevented from being prepared in a mode of firstly polymerizing and then coordinating or firstly coordinating and then polymerizing, the process is simple, the cost is low, the migration, agglomeration and overflow phenomena of the rare earth light conversion material in the light conversion film can be greatly reduced, the light conversion service life of the light conversion film can be greatly prolonged, and the aging resistance of the light conversion film can be greatly improved.

A flame-retardant laminated solid wood composite floor and a manufacturing method therefor. The manufacturing method comprising: first reacting dopamine hydrochloride with acryloyl chloride to generate a dopamine acrylamide monomer; by means of a double bond in the dopamine acrylamide monomer, carrying out a click reaction with a phosphate monomer containing a sulfydryl group, so as to introduce a catechol group into a side chain of the phosphate monomer and obtain a flame-retardant monomer containing the double bond; and then mixing pentaerythritol tetra(3-mercaptopropionate), pentaerythritol triacrylate, perfluorodecanethiol and the flame-retardant monomer containing the double bond to obtain a photocurable coating material. The coating material is photocured after being coated on the surface of a wood veneer, thus effectively improving the flame-retardant performance of the wood veneer; moreover, the adhesion between the coating layer and the wood veneer is excellent. The wood veneers are laminated in multiple layers, are glued and assembled into a layered structure, and then hot-pressed to form the solid wood composite floor, thus improving the comprehensive performance.

The purposes of the present invention is: to provide an adhesive composition which has excellent adhesive force and holding properties in addition to excellent low dielectric properties; to provide an adhesive tape which has an adhesive layer that contains the adhesive composition; to provide a resin molded body which is molded from a resin composition that comprises the adhesive composition; to provide a composite structure which comprises the adhesive tape; to provide an automobile member which comprises the resin molded body or the composite structure; and to provide a method for producing a resin molded body using the composite structure.　The present invention provides an adhesive composition which contains: an acrylic copolymer that has a constituent unit derived from a (meth)acrylic acid alkyl ester, a constituent unit derived from an olefin-based polymer that has a polymerizable unsaturated double bond at an end thereof, and a constituent unit derived from a polar functional group-containing monomer; and a styrene-based elastomer that contains at least one substance selected from the group consisting of a block copolymer which has a block derived from a styrene-based monomer and a block derived from a conjugated diene-based monomer, and a hydrogenated product of the block copolymer.

The invention relates to an outdoor anti-aging PP plate and a preparation method thereof, and belongs to the technical field of high polymer materials. The outdoor anti-aging PP plate comprises the following components in parts by weight: 40-80 parts of PP resin, 10-20 parts of glass fibers, 1-5 parts of an anti-aging modifier, 0.2-3 parts of a modified flame retardant, 0.1-1 part of a lubricant and 0.1-0.5 part of an antioxidant, hydroxybenzophenone in the modified anti-aging agent generates thermal vibration and releases energy when absorbing ultraviolet rays and being irradiated by the ultraviolet rays, and cooperates with butyltrimethoxysilane to protect the material from being damaged by the ultraviolet rays, and a maleimide group improves the glass transition temperature and the melting point and reduces the influence of high-temperature thermal aging; a B-O-C carbon layer is formed at a high temperature under the synergistic effect of boron and phosphorus of the modified flame retardant, flame-retardant gas is released, and the modified flame retardant and phosphorus-oxygen double bonds are synergistically flame-retardant, so that the flame-retardant property is remarkably improved; the outdoor anti-aging PP plate prepared by the invention not only has excellent anti-aging performance, but also has a good flame-retardant effect.

The invention discloses a high-temperature-resistant perfluoroether rubber preparation method which comprises the following steps: mixing perfluoroether rubber, modified silicon carbide and modified boron nitride nanosheets, adding a cross-linking agent, uniformly mixing, and carrying out segmented vulcanization to obtain the high-temperature-resistant perfluoroether rubber, wherein in the preparation process of the modified boron nitride nanosheet, nano silicon carbide, the boron nitride nanosheet, polymethyl methacrylate, a catalyst and a solvent are uniformly mixed, the surface of a matrix is coated with the mixture, a thin film is formed through drying, the thin film is sintered and crushed, and an intermediate is obtained; and carrying out graft modification on the intermediate by using a silane coupling agent containing a carbon-carbon double bond to obtain the modified boron nitride nanosheet. The perfluoroether rubber prepared by the invention has good thermal conductivity, high temperature resistance and plasma resistance.

The invention relates to a flame-retardant rubber and plastic thermal insulation material and a preparation method thereof, and belongs to the technical field of high polymer materials. The flame-retardant rubber-plastic thermal insulation material comprises the following components in parts by weight: 50-75 parts of nitrile rubber, 20-45 parts of PVC resin, 10-15 parts of a plasticizer, 1-10 parts of a foaming agent, 1-5 parts of a foaming promoter, 10-40 parts of a composite flame retardant and 2-6 parts of a modified anti-aging agent, cyclohexanehexol phosphate in the composite flame retardant is heated and dehydrated into phosphoric acid, a barrier layer is formed to inhibit release of combustible materials, and dimethylallylamine combusts to absorb heat and cooperates with phosphorus-oxygen double bonds for flame retardance; a pre-product in the modified anti-aging agent reacts with a free radical of a rubber molecular chain, so that the heat resistance and the aging resistance of the material are improved, a maleimide group enhances an intermolecular acting force, the rigidity and the heat resistance of the molecular chain are improved, and material aging caused by high temperature is reduced; the flame-retardant rubber and plastic thermal insulation material prepared by the invention not only has an excellent anti-aging effect, but also has good flame retardance.

The invention provides organic nanoparticles with high osteogenic performance as well as a preparation method and application thereof, and belongs to the technical field of osteogenic drug preparation. The preparation method of the organic nanoparticles with high osteogenic performance comprises the following steps: (1) preparing fluorinated polyethyleneimine, preparing double bonds from the fluorinated polyethyleneimine, and then grafting a targeting peptide E7 to obtain a carrier F-PEI-E7; and (2) entrapping an osteogenesis promoting drug in the carrier F-PEI-E7 to obtain the organic nanoparticles with high osteogenesis performance. The invention provides an innovative strategy: F-PEI is used as a carrier, an osteogenesis promoting drug (beta-GP) is entrapped, and through E7 targeting peptide (EPLQLKM) modification, precise targeting delivery of the drug is realized. The organic nanoparticles are high in stability, the in-vitro osteogenesis promoting effect is equivalent to that of a classical formula for in-vitro osteogenesis induction, and the organic nanoparticles have an excellent in-vivo osteogenesis promoting effect.

The invention discloses a preparation method of a multifunctional group synergistic modified aluminum silicate nanofiber membrane, which comprises the following steps: modifying aluminum silicate nanofiber by using an amino silane coupling agent to obtain aminated aluminum silicate nanofiber; grafting a polyamino compound to the surface of the aminated aluminum silicate nanofiber by utilizing the cross-linking effect of 1, 3-dichloropropanol through a substitution reaction of amino and chlorine, so as to obtain a multifunctional aluminum silicate nanofiber; 2-butenal is modified on the surface of the multi-functionalized aluminum silicate nanofiber by utilizing an ammonia-aldehyde condensation reaction, so that the multi-functionalized aluminum silicate nanofiber rich in double bonds is obtained; carrying out cross-linking polymerization by taking itaconic acid as a monomer and the multi-functional aluminum silicate nanofiber rich in double bonds as a cross-linking agent, then carrying out suction filtration to form a membrane, and drying to obtain the multi-functional synergistic modified aluminum silicate nanofiber membrane with the gram weight not exceeding 15g / m < 2 >. According to the invention, high-efficiency adsorption of heavy metals is realized, and the problem that aluminum silicate nanofibers are not easy to recover is solved.

The invention provides an anti-compression master batch and a preparation method thereof as well as a low-compression-deformation foaming material and a preparation method thereof, and the anti-compression master batch is prepared by taking TPU (Thermoplastic Polyurethane) with carbon-carbon double bonds as a matrix, high-resilience rubber as a modifier and phenolic resin as an initiator through melt grafting reaction. The anti-compression master batch is added into a foaming material formula, the obtained foaming material is excellent in performance, the compression deformation resistance, the thermal shrinkage performance and the rebound resilience of the foaming material are greatly improved, and the foaming material has high application value.

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 invention provides a polyacrylic acid inverse emulsion thickener and a preparation method thereof. The polyacrylic inverse emulsion thickener is prepared from the following components in parts by mass: 1 to 10 parts of modified attapulgite, 0.1 to 5 parts of hyperbranched acrylate, 30 to 60 parts of acrylic acid, 1 to 5 parts of a hydrophobic long-chain acrylate monomer, 5 to 20 parts of solvent oil, 0.5 to 5 parts of an emulsifier, 0.01 to 1 part of an initiator and 0.5 to 2.5 parts of a phase inversion agent. The preparation method comprises the following steps: firstly, introducing an isocyanate chain segment and a double-bond active group to the surface of acid-activated attapulgite to improve dispersity and reaction activity; then trimethylolpropane is used as a core, hyperbranched acrylate with multiple double bonds and a hyperbranched structure is constructed, and then the polyacrylic acid inverse emulsion thickener is prepared through an inverse emulsion method. Through the synergistic effect of the hyperbranched acrylate, the modified attapulgite and the hydrophobic long-chain monomer, the thickening performance, the electrolyte resistance and the long-term stability are remarkably improved.

According to the method for recycling the waste lithium ion battery positive electrode material aluminum foil, double-bond addition is conducted on ureido of allylurea and maleimide, meanwhile, thiazolecarboxylic acid amino cyclization is conducted, ternary heterocyclic molecules containing ureido, thiazole rings and carboxyl are generated, S atoms, N atoms and O atoms form tridentate coordination sites, and the leaching rate of aluminum is increased.

The invention provides a multi-aperture two-dimensional covalent organic framework material based on carbon-carbon double bond connection as well as a preparation method and application of the multi-aperture two-dimensional covalent organic framework material. The preparation method comprises the following steps: (1) under a protective atmosphere, putting 6, 6 '-dimethyl-3, 3'-bipyridazine, a multi-aldehyde aromatic monomer and benzoic anhydride into an ampoule bottle, the multi-aldehyde aromatic monomer being selected from a tri-aldehyde aromatic monomer or a tetra-aldehyde aromatic monomer; and (2) quickly freezing the ampoule bottle in the step (1) in a 77K liquid nitrogen bath, carrying out unfreezing circulation degassing through three freezing pumps, carrying out heating reaction at 150-250 DEG C for 72-120 hours, cooling to room temperature, and carrying out post-treatment to obtain the multi-aperture two-dimensional covalent organic framework material based on carbon-carbon double bond connection. The two-dimensional COFs obtained by performing a Navenger condensation reaction on an active methyl monomer and a multi-aldehyde aromatic monomer has relatively high crystallinity, specific surface area and stability, uniform two-dimensional layered morphology and a relatively wide absorption spectrum range, and the topological structure of the COFs comprises a uniform pore diameter and three different pore diameters.