101 results about "Triacrylate ester" patented technology

The invention discloses an energetic slurry toughening and photocuring 3D printing method, relates to a preparation method of energetic slurry, and aims to solve the problems that an existing energetic material is poor in mechanical property, poor in toughness and easy to crack; the particles are fast to settle in the light-cured resin, the stability is poor, and the printing precision is poor. The invention develops a photocuring high-energy resin for photopolymerization additive manufacturing. The composition contains a high-energy filler, an acrylate adhesive, whiskers and an inert plasticizer. The material has the characteristics of compatibility, printability and mechanical property, and the possibility of printing increasingly complicated high-energy articles is proved through experiments. The preparation method of the light-cured resin comprises the following steps: adding the low polymer bisphenol A epoxy acrylate and the six-functionality polyurethane acrylate; diluting monomers including 1, 6-hexanediol diacrylate and trimethylolpropane triacrylate; uniformly mixing an auxiliary agent, a thickening agent and a dispersing agent, and magnetically stirring for 30 minutes to obtain the light-cured resin. A preparation method of the energetic slurry comprises the following steps: mixing light-cured resin, whiskers, an inert plasticizer, energetic particles, a photoinitiator and a light absorber, and uniformly stirring to obtain the energetic slurry; after the energetic slurry is used for 3D printing, a sample piece is obtained, the yield reaches 95%-100%, the cost is low, preparation is easy, and the method can be applied to the field of energetic slurry 3D printing.

The invention relates to an ultra-low VOC baking type quick-drying coating and a preparation method thereof, and belongs to the technical field of coatings. The coating is prepared from the following components: composite hybrid resin, methylated melamine formaldehyde resin, neopentyl glycol diglycidyl ether, trimethylolpropane triacrylate, composite filler, zinc fatty acid, fumed silica, a silane coupling agent KH-560, aminoethyl aminopropyl polydimethylsiloxane and the like. The composite hybrid resin is prepared by adopting a special method; the composite hybrid resin is matched with methylated melamine formaldehyde resin, neopentyl glycol diglycidyl ether, trimethylolpropane triacrylate, a composite filler, zinc fatty acid, fumed silica, a silane coupling agent KH-560, aminoethyl aminopropyl polydimethylsiloxane and other components according to a certain proportion for use, and has the advantages of low VOC emission, quick drying during baking, high heat resistance, high heat resistance, high heat resistance, high heat resistance, high heat resistance, high heat resistance and the like. Meanwhile, the adhesive force is good, the hardness and the flexibility are balanced, and the chemical resistance is excellent.

The invention discloses nano UV light-cured printing ink and a preparation method thereof, and relates to the technical field of printing ink preparation. The nano UV light-cured printing ink is prepared from nano UV light, the invention discloses a UV (ultraviolet) photoinitiator, which is prepared from the following raw materials in parts by weight: 20 to 40 parts of polyurethane acrylate oligomer, 15 to 30 parts of modified bisphenol A type epoxy acrylate, 10 to 15 parts of tripropylene glycol diacrylate, 5 to 10 parts of ethoxylated trimethylolpropane triacrylate, 5 to 15 parts of modified nano titanium dioxide, 3 to 8 parts of nano silver wire, 2 to 5 parts of photoinitiator 1173 and 1 to 3 parts of benzoin dimethyl ether. The invention relates to a silver-loaded zirconium phosphate composite material which is prepared from the following components in parts by weight: 0.5-2 parts of polyether modified polydimethylsiloxane, 0.3-1 part of a defoaming agent, 1-3 parts of a dispersing agent, 1-5 parts of silver-loaded zirconium phosphate, 0.5-2 parts of an antioxidant 1010, 0.5-2 parts of a coupling agent KH-550 and 10-25 parts of propylene glycol methyl ether acetate. The raw materials are scientifically proportioned and contain various modified components, and parameters of each step are clear. The preparation method is reasonable in process, the performance of the ink is improved through multi-step modification, and the obtained ink is good in dispersity and compatibility, high in curing efficiency and excellent in comprehensive performance and has good practicability and innovativeness.

Provided are a wide-temperature-range solid-state electrolyte, a preparation method thereof and use thereof in solid-state lithium metal batteries. The preparation method includes: dissolving a lithium salt and a magnesium salt in a solvent to obtain a mixed salt solution; and mixing the mixed salt solution with an ammonia fluoride solution, subjecting a resulting mixture to reaction, and subjecting a resulting reaction product to centrifugation, washing, and drying in sequence to obtain magnesium-doped lithium fluoride nanoparticles; and mixing the magnesium-doped lithium fluoride nanoparticles, a liquid plasticizer, a polymer monomer and a thermal initiator to obtain a liquid precursor, and subjecting the liquid precursor to curing to obtain the wide-temperature-range solid-state electrolyte, where the polymer monomer is a mixture of ethoxylated trimethylolpropane triacrylate and hexafluorobutyl methacrylate.

The present invention relates to the field of photoresist technology, and more particularly to an aqueous liquid photosensitive photoresist and a preparation method thereof. The aqueous liquid photosensitive photoresist comprises the following raw materials, in parts by weight: 50-70 parts of an acrylic resin emulsion, 2-5 parts of a monomer composition, 8-12 parts of ethoxylated trimethylolpropane triacrylate, 3-6 parts of a photoacid generator, 0.5-1.5 parts of a thickener, 1-3 parts of a modified perfluoropolyether carboxylic acid ammonium, 0.2-0.4 parts of an anti-cratering agent, and 20-24 parts of deionized water. The aqueous liquid photosensitive photoresist prepared by the present invention has excellent etching resistance and high resolution, and the preparation method is simple.

The invention relates to an ultrahigh-temperature and high-salinity water shutoff system and a preparation method and application thereof, and belongs to the field of oilfield water shutoff systems, and the ultrahigh-temperature and high-salinity water shutoff system comprises the following substances in parts by weight: 8-10 parts of 2-acrylamido-2-methylpropanesulfonic acid, 6-10 parts of N-vinyl caprolactam, 6-8 parts of N-isopropylacrylamide and 4-6 parts of monostearyl maleate. The invention relates to a water-based adhesive which is prepared from the following components in parts by weight: 6 to 10 parts of 2-acrylamido-2-methylpropanesulfonic acid, 3 to 5 parts of dimethylaminoethyl methacrylate, 0.2 to 0.4 part of dimethyl 2-butenedioate trimethylolpropane triacrylate, 3 to 5 parts of modified nanoscale silicon dioxide, 2 to 4 parts of modified nanoscale calcium carbonate and 100 to 120 parts of deionized water. The plugging agent provided by the invention can still maintain good plugging performance in an oil reservoir environment in which the underground temperature of an oil field exceeds 120 DEG C and / or the degree of mineralization is higher than 100000mg / L, so that the plugging efficiency of a water seepage layer of an oil well in the oil field is ensured.

The invention discloses an industrial packaging coating integrating anti-counterfeiting, antibacterial and pathogen detection functions and a preparation method thereof, and relates to the technical field of industrial packaging coatings. The coating is prepared from modified polyurethane acrylate, ethyoxyl ethyoxyl ethyl acrylate, 1, 6-hexanediol diacrylate, hydroxyethyl methylacrylate, trimethylolpropane triacrylate, epsilon-polylysine, carbon quantum dot-microencapsulated spiropyrane, a water-based flatting agent, 2, 4, 6-trimethyl-1, 3-pentanediol diacrylate, a water-based curing agent, a defoaming agent, a defoaming agent and a solvent. The cleaning agent is prepared from 2, 4, 6-trimethylbenzoyl diphenyl phosphine oxide, a dispersing agent, lauryl sodium sulfate, pathogen microcapsules and ethyl acetate. The three functions of anti-counterfeiting, antibiosis and pathogen detection are integrated into a single coating, the limitation that a traditional packaging material is single in function is broken through, the anti-counterfeiting reliability is improved, no harmful substance is migrated out, and efficient pathogen screening is achieved; safety standards are met, harmful substance migration is avoided, and the base material is matched with various base materials such as films and fibers and is mechanically strengthened.

Multiphase polymers comprising crosslinking monomers and polyfunctional amine are disclosed. The multiphase polymer comprises a first phase polymer having a Tg from 60° C. to 240° C., a second phase polymer having a Tg from 40° C. to 240° C., and a soft phase polymer having a Tg from −25° C. to 30° C. The crosslinking monomers include a triacrylate such as trimethylol propane triacrylate, an unsaturated alkoxysilane, and an unsaturated keto monomer reactive with the polyfunctional amine. In contrast to conventional knowledge, incorporation of trimethylolpropane triacrylate reduces the minimum film forming temperature of multiphase polymers. This unusual reduction in MFFT helps to reduce the VOC requirement to form a good film at low VOC. The other crosslinking monomers including unsaturated alkoxy silane and unsaturated keto monomer which react with the polyfunctional amine improve print resistance, block resistance and lower the tackiness of paint films. The multiphase polymer is particularly suitable for use in deep base paints.

This invention belongs to the field of packaging and printing materials, specifically relating to a high-temperature resistant water-based micro-crosslinked transfer coating. The raw materials for this high-temperature resistant water-based micro-crosslinked transfer coating consist of the following components: methacrylic acid, N-hydroxymethylacrylamide, butyl acrylate, methyl methacrylate, diallyl phthalate, 1,6-hexanediol diacrylate, tricyclodecanedimethylol diacrylate, trimethylolpropane triacrylate, di(trimethylolpropane)tetraacrylate, potassium persulfate, sodium bicarbonate, alkylphenol polyoxyethylene ether ammonium sulfate, nonylphenol polyoxyethylene ether, deionized water, ethanol, ammonia, wetting agent, defoamer, and film-forming agent. Its beneficial effects include a stable reaction process during the preparation of this high-temperature resistant water-based micro-crosslinked transfer coating, reducing the likelihood of slag formation or explosive polymerization; high gloss in the coating film; good adhesion to vacuum metallization; minimal fogging or whitening; high-temperature molding resistance up to 180℃; and easy peeling of PET film with a high yield.

This invention belongs to the field of ink technology, specifically relating to an LED-curable ink that self-shrinks to form textures and its preparation method. The self-shrinking texture-forming LED-curable ink comprises the following components by weight percentage: 5-9% photoinitiator, 27-32% tripropylene glycol diacrylate, 18-24% trimethylolpropane triacrylate, 3-7% silicone acrylate, 8-13% modifier, 3-7% pigment, and 5-8% modified nanomaterials, with the balance being polymers; the polymers include epoxy acrylates, polyurethane acrylates, and tetrafunctional acrylate oligomers. The ink prepared by this invention, by adding silicone acrylates, can produce a shrinking effect, spontaneously forming specific texture effects, and is more resistant to harsh environments, showing excellent performance in coated paper packaging materials.

The invention relates to a magnesium air battery, a magnesium air fiber battery and a preparation method thereof, and the preparation method comprises the following steps: dissolving bis (trifluoromethylsulfonyl) imide magnesium and chlorate in a solvent, then adding a molecular sieve, drying to remove water, and separating the molecular sieve to obtain an electrolyte; adding N-methyl pyrrolidone and poly (vinylidene fluoride-co-hexafluoropropylene) into the electrolyte, adding trimethylolpropane triacrylate as a cross-linking agent, and adding a 2-hydroxy-2-methyl-1-phenyl-1-acetone reagent as an initiator in the stirring process to obtain a polymer gel electrolyte precursor; coating the polymer gel electrolyte precursor on a glass fiber diaphragm, performing ultraviolet curing, and then assembling the polymer gel electrolyte precursor, a magnesium anode strip and a carbon nanotube film cathode to obtain the magnesium air battery. Or coating a magnesium wire with the polymer gel electrolyte precursor, carrying out ultraviolet curing, and then assembling with a carbon nanotube film cathode to obtain the magnesium air fiber battery. The anode corrosion induced by moisture is effectively inhibited in the air, and the charge-discharge reversibility is remarkably improved.

The invention discloses UV (ultraviolet) shadowless glue suitable for laminating a PP (polypropylene) plastic IMD (in-mold decoration) injection molding membrane and a preparation method of the UV shadowless glue. The UV shadowless glue is prepared from functional monomers such as epoxy acrylate, urethane acrylate, trimethylolpropane triacrylate, tripropylene glycol diacrylate and the like, a photoinitiator 1173, an onium salt cationic photoinitiator, a hydroxybenzene triazine ultraviolet absorbent, a low-alkalinity compound light stabilizer, a silane coupling agent, fumed silica, a curing agent, a curing agent, a curing agent, a curing agent, a curing agent and a solvent. The preparation method comprises the following steps: premixing the monomers, dispersing the stabilizer, compounding the main agent, adding the auxiliaries and the like. The glue adopts a free radical-cation synergistic photo-initiation system to realize rapid surface drying and deep curing, and the ultraviolet aging resistance of the glue is improved by adding a weather-resistant stable component. The obtained UV shadowless glue has the advantages of stable construction viscosity, high peel strength, matched thermal expansion coefficient and excellent water, engine oil, ethanol, gasoline and other medium resistance, and is especially suitable for high-reliability lamination application of PP membranes under IMD injection molding conditions.

The invention belongs to the technical field of inverse opal photonic crystal materials, and discloses an anthracene-doped inverse opal structure thin film with a function of rapidly preparing a fluorescent pattern, and a preparation method and application of the anthracene-doped inverse opal structure thin film. The film is formed by compounding a polyacrylate copolymer and a silicon dioxide photonic crystal and etching in hydrofluoric acid. The polyacrylate copolymer is obtained by carrying out bulk polymerization on polyethylene glycol monophenyl acrylate doped with 10-(1-naphthyl) anthracene-9-boric acid and ethoxylated trimethylolpropane triacrylate under the action of a photoinitiator, namely 2-hydroxy-2-methyl-1-phenylacetone. The film has great application potential in the aspects of visual optical anti-counterfeiting and programmable fluorescent switch integration, and is expected to become a new generation of optical anti-counterfeiting label due to the characteristics of rapid patterning and high brightness.

The embodiment of the application provides a sulfur-containing polymer electrolyte and a preparation method thereof, relates to the technical field of supercapacitors, and the preparation method comprises the following steps: mixing double-hydroxyl-terminated polyether sulfone, 4,4'-dimercaptodiphenyl sulfide and an N,N-dimethylformamide solution, the N,N-dimethylformamide solution comprising an electrolyte salt and N,N-dimethylformamide, and stirring at a constant temperature under the protection of an inert atmosphere to generate a monomer mixture; adding terephthaloyl chloride to the monomer mixture to perform a polycondensation reaction, so as to obtain a prepolymer solution; heating the prepolymer solution to perform a post-polymerization reaction, cooling the prepolymer solution to room temperature, adding trimethylolpropane triacrylate and a photoinitiator and uniformly dispersing, so as to obtain a mixed system; performing a cross-linking reaction on the mixed system under ultraviolet light irradiation, so as to form a three-dimensionally cross-linked sulfur-containing polymer electrolyte film; and performing drying treatment on the sulfur-containing polymer electrolyte film, so as to remove residual solvents and obtain a target sulfur-containing polymer electrolyte.

The invention discloses an ultraviolet-induced tackified regenerated PA / PET alloy as well as a preparation method and application thereof, and relates to the technical field of plastic recovery. The tackified regenerated PA / PET alloy is prepared from the following components in parts by mass: 90 to 100 parts of waste PA, 0.5 to 10 parts of waste PET and 0.1 to 2 parts of chain extender, the chain extender comprises epoxy functionalized acrylate and a triacrylate functional compound in a mass ratio of (1-4): 1. According to the tackified regenerated PA / PET alloy, the specific polyfunctional group acrylate compound chain extender is adopted, chain extension of waste PA and waste PET resin is effectively promoted, a long branched structure is generated, meanwhile, the interface reaction of regenerated PA / PET can be promoted, the compatibility of regenerated PA and PET is improved, and the regenerated PA / PET alloy has excellent mechanical properties and good processability at the same time.

The invention relates to the technical field of polyester fiber synthesis, in particular to a high-elastic polyester fiber and a preparation method and application thereof. The problem that in the prior art, the mechanical property and the elastic property of polyester fibers cannot be considered at the same time is solved. According to the fiber obtained by the invention, a sheath layer is obtained by combining isophthalic acid, polycaprolactone glycol, modified nano silicon dioxide and ultra-high molecular weight polysiloxane; the core layer is prepared from modified nano silicon dioxide, trimethylolpropane triacrylate and hydroquinone; the structural uniformity of a polymer is controlled through step-by-step esterification and polycondensation, a stable fiber structure is formed through eccentric core-sheath spinning, trimethylolpropane triacrylate is initiated to be crosslinked by combining electron beam irradiation, and heat treatment is performed to prepare the composite material. The obtained polyester fiber has high tensile strength and high elongation at break, shows excellent elastic recovery rate, and is suitable for fillers of home textile products, clothes and furniture.

The application discloses a photocuring silicon oxynitride ceramic slurry, a preparation method and a complex structure porous ceramic preparation method. The slurry comprises modified ceramic mixed powder obtained by mixing ceramic powder and a surface modifier and a dispersing agent and a premixed liquid. The mixed ceramic powder comprises ceramic powder and a sintering aid. The ceramic powder is silicon oxynitride powder. The sintering aid is yttrium oxide powder and aluminum oxide powder. The premixed liquid comprises a mixture and a photoinitiator. The mixture is a mixed liquid of bisphenol A type difunctional epoxy acrylate resin, difunctional aliphatic polyurethane acrylate resin, isobornyl methacrylate, trimethylolpropane triacrylate, dipentaerythritol hexaacrylate and 9,9-bis[4-(2-hydroxyethoxy)phenyl]fluorene. The photoinitiator is 2,4,6-trimethylbenzoyl phenyl phosphonate. The complex structure porous ceramic preparation method using the slurry comprises printing, debinding and sintering processes. The application realizes photocuring forming of silicon oxynitride ceramic complex parts and preparation of complex structure ceramics.

The present invention relates to a polymerizable, radiation-curable, in particular UV / Vis-, UV- or Vis-curable composition comprising (i) monomers, wherein the monomers comprise (a.1) at least one triacrylate derived from 1,3,5-tris(ω-hydroxyalkyl)isocyanurate, wherein the hydroxyalkyl group comprises 1 to 8 carbon atoms and may be linear, branched and / or cyclic, and (a.2) at least one difunctional monomer which is not a urethane (meth)acrylate, and (ii) at least one further component comprising at least one photoinitiator for the UV and / or Vis region or a photoinitiator system for the UV and / or Vis region. Furthermore, the present invention relates to a preform in the form of a three-dimensional molded body of the polymerized composition, in particular of the radiation-cured composition, for producing a dental restorative part, an orthopedic appliance or a dental preform, and to the use of the composition for producing a dental restorative part, an orthopedic appliance or a dental preform in a rapid prototyping process or in a rapid manufacturing or rapid tooling process.

The present application relates to a kind of nanocomposite reinforced coating protective film for display screen and its preparation method, including transparent substrate and the nanocomposite reinforced coating being set on transparent substrate, nanocomposite reinforced coating is composed of the following weight percentage raw materials: the α-phase nano Al2O3 particle of particle size 15-25nm, account for 25%; UV curing acrylic resin system, account for 75%;Wherein, when preparing nanocomposite reinforced coating, α-phase nano Al2O3 particle is treated with KH-570 silane coupling agent and is surface modified;UV curing acrylic resin system includes aliphatic polyurethane acrylate, trimethylolpropane triacrylate, 2-hydroxy-2-methyl-1-phenyl-1-propanone and the modified acrylic oligomer containing dynamic covalent bond.The present application uses gradient curing process (80mJ / cm 2 pre-curing+420mJ / cm 2 Deep curing), prevent sagging and realize deep curing, protective film pencil hardness is promoted to ≥9H, after 500 hours of aging at 85℃ / 85% relative humidity environment, hardness retention rate is 98%.

The invention discloses a silk-screen printing light equalizing film based on a polycarbonate base material and a preparation method of the silk-screen printing light equalizing film, and relates to the technical field of optical functional films. The preparation method of the silk-screen printing light equalizing film comprises the following steps: printing black ink on the front and back surfaces of a polycarbonate film through a silk-screen printing process, standing, and performing UV curing to form a black ink layer; and cutting to obtain the silk-screen printing light equalizing film. The black ink is prepared from the following components in parts by weight: 55 to 65 parts of aliphatic polyurethane acrylate, 20 to 25 parts of tripropylene glycol diacrylate, 10 to 15 parts of ethoxylated trimethylolpropane triacrylate, 6 to 12 parts of a light diffusion agent, 0.5 to 1 part of a dispersing agent BYK-388N, 0.1 to 0.5 part of 2, 4, 6-trimethyl-1, 3-pentanediol monoisobutyrate, 0.1 to 0.5 part of a photoinitiator, 0.1 to 0.5 part of a photoinitiator, 0.1 to 0.5 part of a photoinitiator, 0.1 to 0.5 part of a photoinitiator, 0.1 to 0.5 part of a photoinitiator, and 0.1 to 0.5 part of a photoinitiator. The invention relates to a high-temperature-resistant paint which is prepared from the following components in parts by weight: 0.5-1 part of 2, 3, 6-trimethylbenzoyl-diphenyl phosphine oxide, 0.5-1 part of an antioxidant B900, 0.3-0.5 part of pentaerythritol stearate and 5.5-8.5 parts of pigment.

This invention discloses a method for preparing a novel (O1+W) / O2 emulsion using a compound of two surfactants in the field of chemical technology. The emulsion system comprises a fluorocarbon oil phase, an aqueous phase, and a hydrocarbon oil phase. By compounding two types of surfactants with different hydrophilic and hydrophobic properties, using an aqueous solution of fluorocarbon oil and FS-30 as the inner phase, and a Span series surfactant dissolved in ethoxylated trimethylolpropane triacrylate as the outer phase, the two are mixed and shaken to spontaneously form a novel (O1+W) / O2 emulsion with ETPTA as the continuous phase (O2) and containing fluorocarbon oil (O1) and water (W) internally. The emulsion droplets consist of two microregions with significantly different hydrophilic and hydrophobic properties. The preparation process is simple, inexpensive, and easy to apply industrially, providing a new technical pathway for the application of amphiphilic Janus materials in interface science, drug delivery, catalysis, and functional materials.

The invention relates to the technical field of culture dishes, in particular to a high-flatness high-borosilicate glass culture dish and a preparation method thereof. The preparation method comprises the following steps: step 1, taking high borosilicate flat glass, cutting the high borosilicate flat glass into glass wafers, and preheating the glass wafers to 500-600 DEG C to prepare the preheated glass wafers; 2, putting the preheated glass wafer into a mold, carrying out bending molding, carrying out annealing treatment, and cooling to room temperature, so as to obtain a high borosilicate glass culture dish; step 3, uniformly mixing epoxy acrylate, trimethylolpropane triacrylate, a photoinitiator and a reactive diluent, adding the double-bond-containing silica sol, the amphiphilic block copolymer and 2-methacryloyloxyethyl phosphorylcholine, and uniformly mixing to prepare a composite coating; and 4, carrying out plasma treatment on the high borosilicate glass culture dish, coating the high borosilicate glass culture dish with a composite coating, and carrying out UV curing to obtain the high-flatness high borosilicate glass culture dish.

This application discloses a novel fluorine-free waterproof finishing agent and its preparation method. The raw materials for preparing the novel fluorine-free waterproof finishing agent include: acrylate copolymer, emulsifier, organosilicon, modified nano-TiO2, initiator, organic solvent, and water. The acrylate copolymer comprises a first acrylate monomer, a second acrylate monomer, and a third acrylate monomer. This novel fluorine-free waterproof finishing agent does not require the addition of other auxiliaries to achieve highly effective waterproofing on various fabric materials without causing color changes. Furthermore, this application uses a fluorine-free formula, does not produce toxic or harmful substances, and meets environmental protection requirements.

The application discloses a high-viscosity foaming material, a preparation method and application, and the preparation method comprises the following steps: S1, polypropylene, trimethylolpropane triacrylate, maleic anhydride, styrene and a peroxide initiator are reacted and extruded to obtain first modified polypropylene; S2, the first modified polypropylene is subjected to a melt amidation reaction with octadecylamine to obtain second modified polypropylene; and S3, the second modified polypropylene is plasticized and melted, mixed with a physical foaming agent, and then foamed and shaped to obtain the high-viscosity foaming material. The low-branching-degree long-chain branches, the aromatic ring side groups, the C18 long-chain alkyl groups and the amide groups are introduced into the polypropylene main chain, the aromatic ring side groups are used to induce the ordered arrangement of the C18 long-chain alkyl groups in the cooling process, the physical crosslinking nodes are formed, the long-chain branch entanglement skeleton and the amide hydrogen bond anchoring nodes are cooperated, the intelligent rheological regulation of low viscosity in a processing section and high viscosity in a foaming section is realized, and therefore the melt strength is effectively improved, and the stability of a cell structure in a foaming process is improved.

The invention discloses a thermal insulation composite cable, comprising several conductors and a light unit, wherein the conductors and the light unit are twisted together, an insulating sheath is provided on the outside of the conductor, and a light unit sheath is provided on the outside of the light unit; the light unit sheath comprises the following materials in parts by weight: 72 parts of ethylene-vinyl acetate copolymer, 16 parts of linear low-density polyethylene, 12 parts of ethylene propylene diene monomer rubber, 1 part of vinyl triethoxysilane, 1.5 parts of didodecyl thiodipropionate, 1.6 parts of silicone masterbatch, 3.5 parts of lead oxide powder, 4 parts of ethoxylated trimethylolpropane triacrylate, 1.2 parts of N,N,N',N'-tetrakis[4-(dibutylamino)phenyl]-1,4-phenylenediamine hexafluoroantimonate, 0.8 parts of diphenylguanidine, 1 part of sodium lauryl sulfate, and 0.6 parts of a dispersant. The thermal insulation composite cable of the present invention can isolate the external high temperature and extend the service life of the light unit.

The present invention relates to the field of adhesive technology and discloses a weather-resistant antibacterial adhesive and its preparation method. The preparation method comprises: reacting a zinc oxide / carbon nitride composite material with ethyl bromide, followed by further reaction with methyl iodide to obtain an antibacterial agent; mixing modified imidazole, pentaerythritol triacrylate, and hydroxyethyl methacrylate to obtain a modified acrylate monomer; reacting a polyurethane prepolymer with the modified acrylate monomer to obtain a modified polyurethane acrylate; and mixing the modified polyurethane acrylate, glycidyl methacrylate, trimethylolpropane triacrylate, acetone, an antibacterial agent, and a photoinitiator to obtain a weather-resistant antibacterial adhesive.

The invention relates to the technical field of silicone rubber, in particular to a modified silicone rubber material and a preparation method thereof. The preparation method comprises the following steps: 1, contacting white carbon black with water vapor for primary heat treatment to obtain dechlorinated white carbon black, and then contacting the dechlorinated white carbon black with water and a modifier for secondary heat treatment to obtain modified white carbon black; 2, tabletting raw silicone rubber, the modified white carbon black, a heat-resistant additive, a vulcanizing agent and a vulcanizing aid to obtain a mixed rubber sheet, and vulcanizing the mixed rubber sheet to obtain a modified silicone rubber material; the vulcanizing agent comprises at least one of dicumyl peroxide, bis (tert-butylperoxy) isopropyl benzene and 2, 4-dichlorobenzoyl peroxide; the vulcanizing aid is prepared from at least one of N, N '-m-phenylenedimaleimide, trimethylolpropane triacrylate, trimethylolpropane trimethacrylate and diallyl phthalate. The method provided by the invention can make the silicone rubber material have good mechanical properties at normal temperature and excellent compressive deformation resistance at high temperature.

The application discloses a kind of rubber conveyor belt quick repair material and preparation method thereof, it is related to rubber repair material technical field, belongs to patent classification number C08K3 / 00.Preparation method includes the following steps: preheating treatment is carried out to ethylene-propylene-diene rubber and hydrogenated styrene-butadiene block copolymer, then it is added into internal mixer and carries out basic mixing, subsequently paraffin oil is added, and the mixing material is obtained;Trimethylolpropane triacrylate crosslinking agent and organic vermiculite reinforcing filler are added to the mixing material, stir uniformly, then zinc stearate activator and sulfur vulcanizing agent are added, continue to stir uniformly, and the mixture material is obtained;The mixture material is transferred to mould, and is formed under the condition of heating and pressurizing, then vulcanization treatment is carried out to make crosslinking reaction completely, and the rubber conveyor belt quick repair material is obtained.The rubber repair material of the application can be firmly bonded with rubber conveyor belt matrix, the strength after repair is high, and the rubber conveyor belt can be quickly repaired.

This invention provides a flame-retardant composite material synergistically reinforced with aluminum hydroxide functional filler and its preparation method. Modified aluminum hydroxide is added, which is an intermediate product of freshly prepared aluminum hydroxide coupled with KH570, and a composite formed by free radical polymerization of acrylate and trimethylolpropane triacrylate. By adding modified aluminum hydroxide to the composite material, on the one hand, the modified aluminum hydroxide exhibits good compatibility with the resin matrix, effectively improving the filler dispersion and reducing interfacial defects. Combined with glass fiber and inorganic fillers, it achieves synergistic reinforcement, significantly improving the material's mechanical properties. On the other hand, the modified aluminum hydroxide also possesses a three-dimensional network structure, enabling it to fully impregnate, coat, and interpenetrate with the resin matrix and other components, forming a tightly bonded, uniformly integrated composite system. This strengthens the bonding strength between phases, further enhancing the material's flame-retardant and mechanical properties.

The invention provides a battery pole piece, a lithium ion battery and a preparation method of the lithium ion battery. Specifically, a coating is arranged on one side, far away from a current collector, of an active material layer of the battery pole piece; the coating is formed by crosslinking a first monomer, a second monomer, a binder and a photoinitiator; the first monomer is prepared from at least one of diethyl allyl phosphonate, triethyl phosphate, diphenyl phosphate, dimethyl methylphosphonate or melamine cyanurate; and the second monomer is prepared from at least one of ethoxylated trimethylolpropane triacrylate, trimethylolpropane triacrylate, pentaerythritol triacrylate, tripropylene glycol diacrylate or trimethylolpropane trimethacrylate. The single and uniform coating not only helps to alleviate the problems of thermal runaway and cycle attenuation of the high-nickel ternary battery, but also does not need precise equipment in the preparation process, can be compatible with the existing lithium battery production line, and realizes collaborative optimization of thermal safety-cycle performance-mass production cost.