1448 results about "Maleimide" patented technology

The invention discloses a flame-retardant ABS (Acrylonitrile Butadiene Styrene) composition as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The flame-retardant ABS composition provided by the invention comprises the following components in parts by mass: 50-80 parts of ABS resin; 8 to 12 parts of styrene-acrylonitrile copolymer; 3 to 5 parts of styrene-acrylonitrile-maleic anhydride terpolymer; 2 to 6 parts of a fluorine-containing maleimide copolymer; 5 to 15 parts of graphite nanosheet modified high rubber powder; 12 to 18 parts of brominated flame retardant; 3-7 parts of a phosphorus-based flame retardant; 0.1-1 part of a processing aid; the phosphorus-based flame retardant is prepared from the following components in parts by mass: 80 to 95 parts of diethyl phosphinate; 0.3 to 3 parts of ethyl butyl phosphinate; 0.1 to 2 parts of ethyl phosphonate; and 5 to 20 parts of melamine polyphosphate. The flame-retardant ABS composition prepared by the invention is good in flame retardant property, good in welding strength and low in cost.

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.

Linkers for linking a therapeutic agent to other moieties, such as an Fc region of an antibody. A linker having two or more maleimide functional groups, which may be subjected to a nucleophilic conjugate addition reaction. A method for increasing the duration of action of a therapeutic agent by linking a novel linker to the Fc region of an antibody. Antibody drug conjugates having a longer duration of action than the drug alone.

The invention discloses high-heat-resistance epoxy modified bismaleimide resin as well as a preparation method and prepreg thereof, and relates to the technical field of thermosetting resin. The resin comprises the following raw materials in parts by weight: 30-60 parts of bismaleimide monomer resin, 10-30 parts of polyfunctional epoxy resin and 20-40 parts of an allyl mixture, the bismaleimide monomer resin at least comprises special bismaleimide monomer resin with a structural formula and / or a structural formula; the allyl mixture at least comprises 1, 2-bis (4-(allyloxy) phenyl) disulfane. The structural heat resistance can be effectively improved by specifically selecting the component raw materials and limiting the dosage, aggregation and accumulation of polymer chains are promoted, and the crosslinking density of the bismaleimide resin is further improved. Meanwhile, the curing temperature of the bismaleimide resin is obviously reduced to 190 DEG C, so that the problems of high manufacturing cost, long curing period and the like of the bismaleimide resin are solved, the dimensional stability of a bismaleimide composite material product can be improved, and the dimensional precision is improved.

The invention relates to the technical field of crosslinked polyethylene insulated power cables, in particular to a flame-retardant and insulated low-voltage power cable and a preparation method and application thereof. The flame-retardant and insulating low-voltage power cable comprises the inner core layer, the filler layer, the belting layer, the lining layer, the metal armor layer and the outer sheath layer from inside to outside, and the multiple layers can effectively protect the inner core and endow the cable with better performance; in addition, low-density polyethylene, a furan modified polyethylene compatilizer, a reactive flame retardant, bismaleimide, dicumyl peroxide and an auxiliary are adopted to obtain the cross-linked polyethylene material for the cable outer sheath, and the cross-linked polyethylene material has excellent insulation, flame retardance, strength, toughness and repairing performance.

The invention relates to the technical field of aerogel, in particular to flexible flame-retardant aerogel and a preparation method thereof.The flexible flame-retardant aerogel is prepared from modified graphene, modified polyvinyl alcohol, silver nanowires, phytic acid and epoxy resin E-51; the furan group is introduced into the aerogel through the modified graphene, the furan group and the maleimide group are subjected to a D-A reaction, an adhesive is prevented from being used when the aerogel is bonded with a screen backboard, the D-A reaction is reversible, and lossless reworking can be realized. PVA and epoxy resin E-51 are added together, so that the heat resistance and mechanical strength of the material are improved. PVA is grafted with a large-steric-hindrance amine group, weak interaction with a furan group is generated, side reaction with an epoxy group of epoxy resin E-51 is avoided, and when aerogel is bonded to an OLED screen backboard, the protective layer is reversibly released, so that D-A reaction can be smoothly carried out. The hydrophobic treatment of the modified graphene and the modified grafting of the polyethylene to the mPEG can effectively improve the agglomeration of the modified graphene and ensure the uniform dispersion of the modified graphene.

The invention relates to the technical field of coatings, in particular to an acrylate-epoxy resin composite coating and a preparation method thereof. According to the technical scheme, the coating is prepared from 25 to 35 parts of methyl methacrylate, 15 to 25 parts of butyl acrylate, 10 to 20 parts of epoxy resin E-5110, 8 to 15 parts of organic silicon modified acrylate prepolymer, 5 to 12 parts of fluorocarbon modified epoxy resin, 4 to 8 parts of core-shell structure corrosion inhibition nano container, 1 to 3 parts of functionalized graphene quantum dots and 4 to 10 parts of polyhedral oligomeric silsesquioxane maleimide modified amine curing agent. And 1-3 parts of a hindered amine light stabilizer. By integrating the core-shell structure corrosion inhibition nano container, the functionalized graphene quantum dots and the photo-thermal dual responsive curing agent component, the sensing, response and self-repairing of the coating on damage are realized, and long-acting corrosion resistance, weather resistance, bacteria resistance, mechanical property balance and intelligent maintenance are considered; and efficient and economical full-period protection is provided for equipment in an extreme environment.

The invention discloses a high-oxidation-resistance long-life polyethylene cable sheath material and a preparation method thereof, and relates to the technical field of high polymer materials. Comprising the following components: high-molecular-weight high-density polyethylene, surface-modified nano-dioxide, furan-maleimide grafted polyethylene, a Schiff base dynamic cross-linking agent, tea polyphenol grafted polyethylene, a temperature-responsive oxygen-blocking microcapsule, a main antioxidant, an auxiliary antioxidant, an emergency antioxidant, a light stabilizer, a halogen-free flame retardant, a processing aid and an acid absorbent. According to the invention, the main antioxidant, the auxiliary antioxidant and the tea polyphenol grafted polyethylene form a chemically synthesized and naturally modified composite antioxidant system, the designed service life of the material is greatly prolonged, the temperature-responsive oxygen-blocking microcapsule automatically cracks to release the core material when the operating temperature of the cable is greater than or equal to 90 DEG C, a dynamic oxygen-blocking layer is formed, and the service life of the cable is prolonged. The defect that the effect of traditional physical oxygen barrier is attenuated at high temperature is overcome, and the oxygen permeability at high temperature is reduced compared with that of a single nano barrier scheme.

The application provides a crosslinked polyethylene insulating material with intrinsic self-repairing and recyclable characteristics, a preparation method and application thereof, and relates to the technical field of cable materials.The crosslinked polyethylene insulating material with intrinsic self-repairing and recyclable characteristics is prepared from the following components in parts by weight: 99.7 parts by weight of low-density polyethylene, 1.0-2.6 parts by weight of peroxide, 0.1-0.5 parts by weight of antioxidant, 5-20 parts by weight of maleimide monomer, 0.35-0.7 parts by weight of catalyst, 0.5-3.0 parts by weight of ligand and 0.5-3.0 parts by weight of furan-based small molecule.The low-density polyethylene is functionally modified through catalytic amination reaction, so that the chain breaking and crosslinking in the modification process are avoided, and the mechanical properties, insulating properties and dielectric properties of the crosslinked polyethylene are enhanced through the post-absorption of the introduced peroxide.Meanwhile, the dynamic reversible Diels-Alder reaction introduced by the post-absorption of the furan-based small molecule enables the polyethylene insulating material to have good intrinsic self-repairing effect on mechanical damage and electrical damage.

The invention relates to a nitrogen-containing heterocyclic compound as well as a preparation method and application thereof, belongs to the technical field of heterocyclic compound synthesis, and solves the problems of low reaction efficiency and high energy consumption caused by the fact that an existing method for synthesizing an indole maleimide derivative needs to be carried out step by step. The preparation method comprises the following steps: step 1, adding indoleacetamide and a nucleophilic reagent into a mixed solution, and reacting; 2, performing post-treatment to obtain a nitrogen-containing heterocyclic compound; the mixed solution comprises alkali, an additive and an organic solvent; the alkali comprises one of triethylamine (Et3N), N, N-diisopropylethylamine, pyridine and 1, 8-diazabicyclo [5.4. 0] undec-7-ene, and the alkali comprises one of 1, 8-diazabicyclo [5.4. 0] undec-7-ene.

The invention discloses high-adhesiveness water-based printing ink and a preparation method thereof, and belongs to the technical field of printing, and the high-adhesiveness water-based printing ink comprises the following components: water-based acrylic resin, SiO2 (at) TiO2 (at) EPS composite filler, pigment, a dynamic covalent cross-linking agent, nano cellulose, a wetting dispersant, a defoaming agent and deionized water. The preparation method comprises the following steps: firstly, preparing an EPS terpolymer containing a multi-functional group, and then modifying a SiO2 / TiO2 preassembly to prepare a composite filler; meanwhile, a dynamic covalent cross-linking agent generated by the reaction of furan methacrylate and maleimide propyl triethoxy silane is prepared; and finally, mixing the components step by step to obtain the ink. The multi-stage structure of the composite filler enhances the interface effect and covering power, the dynamic covalent cross-linking agent forms a reversible network to improve the stability and the self-repairing property, and the nano cellulose and other components have the synergistic effect, so that the ink has good adhesiveness and stability.

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 invention relates to the technical field of epoxy resin, in particular to self-repairing epoxy resin and a preparation method thereof. The self-repairing epoxy resin is prepared from the following raw materials in parts by mass: 80 to 120 parts of bisphenol A type epoxy resin, 20 to 40 parts of bisphenol F type epoxy resin, 5 to 15 parts of 1, 6-hexanediol diglycidyl ether, 1 to 3 parts of 3, 5-dimethylphenylboronic acid, 1 to 5 parts of furyl maleimide, 10 to 20 parts of dodecanedioic acid, 5 to 15 parts of butanetetracarboxylic acid, 1 to 3 parts of catalyst, 10 to 15 parts of nano silicon dioxide, 1 to 2 parts of boron nitride nanosheet and 1 to 2 parts of hyperbranched polyamidoamine. The curing agent is prepared from the following components in parts by weight: 20-30 parts of epoxy resin, 1-2 parts of sulfydryl-terminated polysiloxane, 20-30 parts of amine curing agent, 5-15 parts of reinforcing filler and 0.5 According to the invention, the balance among self-repairing capability, mechanical property and heat resistance is successfully realized; in the microcrack propagation process, fracture and recombination mechanisms of dynamic covalent bonds effectively prevent further propagation of cracks.

The invention relates to the technical field of building, chemical engineering and energy heat preservation, and discloses a silicon-based aerogel composite material and a preparation method and application thereof. The invention relates to a light-emitting diode (LED) photo-curing agent, which is prepared from tetraethyl orthosilicate, methyltrimethoxysilane, allyltriethoxysilane, pentaerythritol tetra (3-mercaptopropionate), N-(3-(triethoxysilyl) propyl) furfuryl amine, N-(3-(triethoxysilyl) propyl) maleimide, a photoacid generator and a photoinitiator. The composite material has a three-dimensional porous silicon dioxide network skeleton and a polymer interpenetrating network, the three-dimensional porous silicon dioxide network skeleton is formed by copolymerization of tetraethyl orthosilicate and methyltrimethoxysilane, and the polymer interpenetrating network is formed by reaction of pentaerythritol tetra (3-mercaptopropionate) and allyltriethoxysilane. The preparation method comprises the steps of sol preparation, light curing, solvent replacement, surface hydrophobic modification and normal-pressure drying. The material shows excellent thermal insulation and mechanical properties in the fields of building heat insulation, pipeline heat preservation and cryogenic heat insulation.

The invention discloses a DA bond polymer with antibacterial and self-repairing functions for a wood surface as well as a preparation method and a use method of the DA bond polymer. Chitosan serves as a wall material, cinnamon essential oil serves as a core material, the cinnamon essential oil and chitosan antibacterial microcapsules are prepared through emulsification, crosslinking and spray drying, and essential oil controlled release is achieved. Then bisphenol A diglycidyl ether DGEBA and furfuryl alcohol FA are used as raw materials, furyl functional epoxy resin FER is prepared under the catalysis of triethylamine TEA, bismaleimide BMI is added, and a DA bond self-repairing polymer is prepared through a DA reaction; and adding 4, 4-diaminodiphenylmethane DDM into the system, reacting with redundant DGEBA to generate a cross-linked polymer network, and adding the microcapsules into a DA bond semi-interpenetrating self-repairing network solution to obtain the DA bond polymer. A thin film formed by brushing and curing wood has antibacterial and self-repairing functions, scratches and microcracks on the surface of the wood can be repaired, and microbial erosion is inhibited.

The invention discloses a single-component high-heat-resistance type epoxy adhesive and a preparation method of the single-component high-heat-resistance type epoxy adhesive. The adhesive is prepared from the following components in parts by weight: 30 to 40 parts of N, N-4, 4 '-diphenylmethane bismaleimide; 50 parts of bisphenol F epoxy resin; 36.47 parts of 4, 4 '-diaminodiphenyl sulfone; 20 to 40 phr of phenyl glycidyl ether; 1 to 2 phr of two terminal type epoxy silicone oil; 4 to 6 phr of hydroxyl-terminated polyether sulfone; 10 to 20 phr of boron nitride, the surface of which is modified by gamma-glycidyl ether oxypropyl trimethoxy silane; and 1 to 3 phr of an adhesion promoter. According to the adhesive disclosed by the invention, the heat resistance, the mechanical property, the dimensional stability, the process adaptability and the like are synergistically improved, the use requirements of an aviation structural part on long-term service at 150-180 DEG C and an electronic packaging device on the condition of short-time reflow soldering at about 200 DEG C can be met, and the reliability of the adhesive in a high-temperature environment is remarkably improved.

The invention discloses a high-strength and high-resilience TPE (thermoplastic elastomer) and a preparation method thereof in the technical field of high polymer materials, and the elastomer is prepared by taking a hydrogenated styrene block copolymer as a matrix and matching with a polyolefin rigid phase, plasticizing oil and a specific additive. The method is characterized in that two self-made reaction type modifiers are introduced, wherein one self-made reaction type modifier is a core-shell nano reinforcing agent containing an epoxy functional group and polyhedral oligomeric siloxane, and the other self-made reaction type modifier is a furan maleimide bifunctional dynamic cross-linking agent. The nano reinforcing agent is prepared through silane hydrolysis and amination reaction, and can react with a matrix for grafting, so that the strength and creep resistance of the material are remarkably improved; the dynamic cross-linking agent is synthesized through step-by-step isocyanate addition reaction, a cross-linked network can be reversibly formed in the processing process, and the material is endowed with extremely high rebound resilience and low permanent deformation. The obtained product has high strength, high resilience and excellent processability, and is especially suitable for high-end fitness equipment.

The invention relates to polyethylene wax with a reversible crosslinking characteristic and a preparation method and application thereof, and relates to the field of polymer functional aids and processing and application thereof. The polyethylene wax with the reversible cross-linking characteristic is prepared from three monomers of furyl ethylene, maleimide ethylene and ethylene through double-bond addition copolymerization, and the number-average molecular weight is 1000-100000. The polyethylene wax provided by the invention can be used as a flow modifier during polyethylene material processing and a cross-linking modifier during use. The low molecular weight polyethylene wax can reduce the energy consumption of processing equipment and increase the flatness of the product. And meanwhile, the reversible crosslinking of furan and maleimide groups on the chain segment can endow the resin with thermoset property in use and thermoplastic cycle processability after use.

The invention relates to the field of pouring sealants, and discloses a modified epoxy resin pouring sealant and a preparation method thereof, the pouring sealant comprises epoxy resin, a modified inorganic filler, a modified additive and an auxiliary agent; the modified inorganic filler is prepared by grafting a quaternized s-triazine derivative and an inorganic filler; the quaternized s-triazine derivative is prepared through the steps that 3, 5-diaminophenylboronic acid, cyanuric chloride, 3-chloropropyltrimethoxysilane and 1, 4-butanediamine are sequentially subjected to substitution to prepare a s-triazine derivative, then the s-triazine derivative reacts with N, N-dimethyl-1, 3-diaminopropane, and bromoethane is used for quaternization treatment. The modified additive is prepared from a modified bismaleimide monomer prepared from maleic anhydride and 5 (6)-amino-1-(4-aminophenyl)-1, 3, 3-trimethylindane and 1-methyl-4-isopropyl cyclohexene through a self-stabilization precipitation polymerization method, the prepared pouring sealant is high in tensile strength, good in impact resistance and good in mechanical property, and the prepared pouring sealant has the advantages of being good in mechanical property, good in mechanical property and good in mechanical property. Meanwhile, good heat resistance, flame retardance, dielectricity and antibacterial activity are achieved.

The invention provides low-dielectric and high-heat-resistance adamantane type maleimide resin as well as a preparation method and application thereof, and belongs to the technical field of synthetic resin for electronic materials. The preparation method comprises the following steps: S1, dissolving an adamantane type amino compound to obtain a solution A; dissolving maleic anhydride to obtain a solution B; s2, dropwise adding the solution A into the solution B; s3, acetic anhydride and a catalyst are added into the solution obtained after the stirring reaction in the step S2, then the temperature is increased to 90-110 DEG C, and a heat preservation reaction is conducted for 4-6 h; and S4, cooling the solution subjected to the heat preservation reaction in the step S3, and then washing and removing the solvent to prepare the low-dielectric and high-heat-resistance adamantane type maleimide resin. The adamantane type maleimide resin provided by the invention can solve the problems of poor solubility and high brittleness of maleimide resin, and meanwhile, the resin is endowed with excellent heat resistance. In addition, the adamantane type maleimide resin can also be used for preparing copper-clad plates with low dielectric constant and low dielectric loss.

The invention discloses N-substituted maleimide binary copolymer resin, a temporary bonding adhesive and a resin cured product. The N-substituted maleimide binary copolymer resin disclosed by the invention comprises an N-substituted maleimide type unit and an alkene type monomer unit. The N-substituted maleimide binary copolymer resin disclosed by the invention contains an imide ring structure, so that a cured resin product disclosed by the invention has a relatively high glass transition temperature. When the N-substituted maleimide binary copolymer resin is used in the temporary bonding adhesive, the glass-transition temperature of a material after the temporary bonding adhesive is hardened can be improved, so that the temporary bonding adhesive with the N-substituted maleimide binary copolymer resin has the advantages that the hardness of the temporary bonding adhesive is improved, and the service life of the temporary bonding adhesive is prolonged. And the hardened material also has relatively high binding force with the chip at high temperature, so that the chip can be prevented from shifting under high-temperature conditions such as plastic package and the like.

The invention discloses a self-repairing composite floor for a clean room and a preparation method of the self-repairing composite floor, and the preparation method comprises the following steps: carrying out amination treatment on nano silicon dioxide and carbon quantum dots by using a silane coupling agent, and sulfonating polyethersulfone ketone by using concentrated sulfuric acid; the preparation method comprises the following steps: carrying out curing treatment on epoxy resin, an amine curing agent, N-hydroxyethyl maleimide and tetrakis (3-mercaptopropionic acid) pentaerythritol ester to obtain epoxy-mercaptan resin; the preparation method comprises the following steps: carrying out prepolymerization reaction on vacuum dehydrated polyester polyol, tetrahydroxyethyl ethylenediamine, furanpropanol, diisocyanate, a catalyst, 2, 2 '-thiodiethanol and hydroxyl silicone oil to obtain a star-shaped polyurethane prepolymer, adding epoxy-thiol resin, glyceryl borate, sulfonated polyethersulfone ketone, aminated silicon dioxide, aminated carbon quantum dots and an auxiliary agent, carrying out ultrasonic treatment, and carrying out drying to obtain the star-shaped polyurethane resin. The self-repairing coating material is obtained; and coating the self-repairing coating material on the surface of a base plate, and performing hot-pressing curing molding to obtain the self-repairing composite floor for the clean room.

The invention belongs to the technical field of polymer composite materials, and particularly relates to a high-strength bismaleimide resin material and a preparation method thereof. The bismaleimide resin composition comprises the following components in parts by weight: 50-60 parts of bismaleimide resin, 40-50 parts of an allyl compound, 1-3 parts of modified graphene and 0.1-0.5 part of a dispersing filler, the dispersing filler is prepared from modified inorganic nanoparticles and modified tetrapod-like zinc oxide whiskers in a mass ratio of (0.1-1): 1. Wherein the tetrapod-like zinc oxide whiskers can promote the dispersion of the graphene with a large lamellar structure from the macroscopic aspect, so that the graphene is uniformly dispersed in a bismaleimide resin matrix, and the inorganic nanoparticles can play a role in lubrication and isolation, so that the agglomeration among graphene lamellas in a small range is prevented. By adding the graphene composite reinforcing filler, the rigidity of the bismaleimide resin material is improved, and the toughness of the composite material can be improved at the same time.

The invention relates to the technical field of intermediate membranes, in particular to a heat insulation type ionic intermediate membrane and a preparation method thereof.The heat insulation type ionic intermediate membrane is characterized in that hollow silicon dioxide nanotubes serve as filler, epoxy resin modified polyurethane emulsion serves as a base material, auxiliaries are added to prepare a heat insulation coating, and the ionic intermediate membrane layer is coated with the heat insulation coating to form a heat insulation layer; the preparation method comprises the following steps: carrying out amination on a hollow silicon dioxide nanotube by using 3-aminopropyltriethoxysilane, carrying out dehydration condensation on furan-2, 5-diketone and an amino group to synthesize maleimide so as to obtain a maleimide modified hollow silicon dioxide nanotube, and grafting furan carboxylic acid imidazolium salt polyionic liquid by using a Diels-Alder reaction so as to obtain a composite hollow silicon dioxide nanotube; aminated glass fibers, composite hollow silicon dioxide nanotubes, epoxy resin modified polyurethane emulsion and auxiliaries are mixed, and a reinforcing layer coating is obtained; and coating the lower surface of the ionic intermediate film layer with a reinforcing layer coating to form the reinforcing layer.

The invention discloses a high-temperature-resistant bismaleimide resin and a preparation method thereof. Comprising nadic anhydride terminated polyimide resin containing a methyl ethyl asymmetric side chain, bismaleimide resin, cyanate ester resin and a toughening and chain extending component. The preparation method comprises the following steps: adding the bismaleimide monomer into the allyl bisphenol A, then adding the reactive diluent, the polyimide resin and the toughening component, and heating and prepolymerizing to obtain the high-temperature-resistant bismaleimide resin. The crosslinking network density and dielectric property of the resin are improved through the reaction of reactive nadic anhydride and bismaleimide resin and the reaction of bismaleimide and cyanate ester resin, and the solubility of the high-temperature-resistant bismaleimide resin in a low-boiling-point solvent is improved through the molecular structure design of polyimide, so that the high-temperature-resistant bismaleimide resin is prepared. The toughness and high temperature resistance of the bismaleimide resin are improved, the size stability of the bismaleimide resin is good, and the application potential of the bismaleimide resin in the fields of aerospace, copper-clad plates, advanced electronic packaging, mechano-electronics and the like is improved.

Environmentally friendly primer compositions for rubber to substrate bonding. The primers can include film forming polymers, benzoxazine (BZX) resins, and fillers, in either a solvent-based formulation or an aqueous-based formulation. Some primer compositions can further include a co-resin such as bismaleimide (BMI). Methods of bonding components, including rubber to a substrate, and subsequent bonded assemblies are also provided.

The invention discloses a bone cement composition and application thereof, and relates to the technical field of bone cement. The bone cement composition comprises a solid phase component and a liquid phase component, wherein the solid phase component comprises 60-75 parts of composite calcium phosphate, 10-20 parts of strontium glass powder, 8-12 parts of a reinforcing agent and 3-7 parts of a solidification reaction regulator; the liquid phase component comprises 20-30 parts of a phosphate buffer solution, 3-8 parts of a sodium citrate solution, 5-15 parts of an anti-inflammatory agent and 1-5 parts of a hyaluronic acid solution. The preparation method comprises the following steps: reacting 1, 10-phenanthrene-2, 9-dicarboxylic acid with 2-aminomethyl furan to obtain an intermediate 1, and reacting the intermediate 1 with poly (ethylene glycol) maleimide to prepare the reinforcing agent. The prepared bone cement composition has good mechanical properties, self-repairing performance and anti-inflammatory performance, and has a good application prospect in the field of bone repairing.

The invention belongs to the technical field of copper-clad plate materials, and relates to a high-speed high-frequency low-CTE copper-clad plate glue solution as well as a preparation method and application thereof, the copper-clad plate glue solution comprises 55-135 parts of a resin composition, 2.5-21 parts of a cross-linking agent, 0.05-1.5 parts of a cross-linking accelerant, 11-54 parts of filler and 38-95 parts of a solvent; the resin composition is prepared from 25 to 45 parts of polyerylene resin, 15 to 35 parts of styrene-butadiene polymer, 15 to 30 parts of bismaleimide and 10 to 25 parts of allyl-terminated polyphenyl ether resin. According to the invention, Dk and Df meet the requirement of ultra-low loss and are greatly improved compared with the traditional PPO system, and meanwhile, the Z-axis CTE is reduced by more than 40%; the halogen-free flame-retardant design meets the environment-friendly requirement, and the high-frequency performance is not influenced; and a standard PCB processing technology is compatible, and the copper-clad plate suitable for 5G millimeter wave communication, automatic driving radar and satellite high-frequency circuits is prepared.

The embodiment of the invention provides a self-repairing UV (Ultraviolet) excimer skin-touch coating as well as a preparation method and application thereof. The self-repairing UV excimer skin-touch coating comprises 50-60 parts of bio-based aliphatic polyurethane acrylate; 25 to 36 parts of a UV reactive diluent; 5 to 8 parts of a maleimide derivative; 0.1 to 0.3 part of a polymerization inhibitor; 1-3 parts of organic silicon micro powder; 3.5 to 6 parts of a photoinitiator; 0.2 to 0.3 part of a defoaming agent; 0.2 to 0.5 part of a leveling agent; wherein the content of bio-based carbon in the bio-based aliphatic polyurethane acrylate is 72%-75%. According to the self-repairing UV quasi-molecular skin-touch coating and the preparation method and application thereof provided by the embodiment of the invention, reversible covalent crosslinking is realized through DA reaction of the maleimide derivative and the 2, 5-furandimethanol grafted to the bio-based aliphatic polyurethane acrylate, so that the coating is endowed with self-repairing capability within the range of 60-100 DEG C, and the self-repairing UV quasi-molecular skin-touch coating has the advantages that the self-repairing UV quasi-molecular skin-touch coating has a good skin-touch effect; and the organic silicon micro powder is compounded with the components, so that the scratch resistance and the skin feeling effect of a coating film are improved.

The invention provides an electrolyte and application thereof, and relates to the technical field of secondary batteries. Specifically, the electrolyte comprises an alternating copolymer, a first solvent, a second solvent, a third solvent, a lithium salt and an additive, the alternating copolymer is obtained by polymerizing a first monomer and a second monomer; the first monomer comprises terminal alkenyl, terminal halogen atoms and ether bonds, and the second monomer comprises at least one of maleic anhydride, citraconic anhydride, itaconic anhydride, maleimide and 2, 5-thiophenedione. The electrolyte disclosed by the invention has relatively high low-temperature ionic conductivity while having high-temperature safety; the electrolyte is in a liquid state at a low temperature, has relatively high ionic conductivity, is in a solid state after reversible phase change along with temperature rise, has safety and stability in a high-temperature state, and has a good application prospect.