6626 results about "Acrylate ester" patented technology

The invention relates to the technical field of folding screen supporting films, and particularly discloses a double-layer buffering supporting film for a flexible folding display screen and a preparation method of the double-layer buffering supporting film. The double-layer buffer supporting film for the flexible folding display screen sequentially comprises a release film layer, a first adhesive layer, a first stainless steel layer, a second adhesive layer, a second stainless steel layer and a protective film layer from top to bottom, the first adhesive layer and the second adhesive layer are prepared by curing the same pressure-sensitive adhesive composition; the pressure-sensitive adhesive composition is prepared from the following raw materials: acrylate copolymer, hydrogenated rosin glyceride, hyperbranched polyesteramide-dopamine conjugate, acylhydrazone bond modified siloxane, a curing agent and a silane coupling agent; the protective film layer comprises the following raw materials: PET particles, nano silicon dioxide, an ethylene-vinyl acetate copolymer and an antioxidant. The double-layer buffer supporting film has the advantages of being high in supporting rigidity and interlayer peel strength, and serious folds caused by long-term repeated folding of the folding screen can be relieved.

The invention provides a solid electrolyte slurry, an electrode slurry, a solid electrolyte sheet, an electrode sheet, a solid battery monomer, a battery device and a power utilization device.The solid electrolyte slurry comprises a sulfide solid electrolyte material, a solvent and a binder dissolved in the solvent, and the solvent is a non-polar solvent, a weak-polar solvent or a mixed solvent of the non-polar solvent and the weak-polar solvent; the binding agent comprises a polyacrylate binding agent and a non-polar polyolefin binding agent. The slurry disclosed by the invention has high dispersity, high suspension property and good cohesiveness, and can enable the solid-state battery monomer to have high initial coulombic efficiency when being used in the solid-state battery monomer.

The invention relates to a flexible aqueous binder for a lithium battery negative electrode and a preparation method thereof. The preparation method comprises the following steps: firstly, preparing a flexible polyurethane prepolymer containing vinyl by taking hydroxyl-terminated polybutadiene, isocyanate and hydroxyl acrylate as main raw materials; vinyl-containing compounds such as water-soluble acrylic acid (salt) or acrylamide, oil-soluble acrylic ester or acrylonitrile and the like are used as monomers and are combined with a flexible polyurethane prepolymer to prepare the negative water-based binder with flexible cross-linking points through free radical polymerization. The aqueous binder prepared by the technical method provided by the invention can realize point-to-point and point-to-line bonding modes with a pole piece active substance on a microstructure, so that the bonding strength of the active layer material and a copper foil is improved on the premise of not influencing the electrolyte resistance of the binder; and the flexibility of the negative pole piece and the subsequent processing stability are obviously improved.

The invention provides a comb-shaped polymer binder, a pole piece and a battery, the comb-shaped polymer binder comprises an acrylate main chain, a flexible soft segment, a polar hard segment and a functional chain segment, the flexible soft segment, the polar hard segment and the functional chain segment are respectively grafted on the acrylate main chain, the flexible soft segment comprises an ether chain segment and / or an ester chain segment, the polar hard segment comprises a polar group and / or a first heteroaromatic ring group, and the functional chain segment comprises a functional group and a second heteroaromatic ring group. The functional chain segment comprises an aromatic ring group containing a pi-conjugated structure and / or a second heteroaromatic ring group containing a pi-conjugated structure. The comb-shaped binder adopts a structural design of'hard section anchoring + soft section buffering + functional side chain ', is helpful for enabling the binder to have high peel strength, stress buffering and electron conduction capabilities at the same time, is compatible with an existing wet coating-rolling process, is helpful for improving the peel strength and prolonging the cycle life of an electrode plate when being used for preparing the electrode plate, and is beneficial for improving the service life of the electrode plate. And the rate capability of the battery is improved.

This case relates to a self-healing optical film and its preparation method. The optical film is made by adding a nanoparticle suspension to PET masterbatch as the main material during its melt extrusion process, resulting in a cast sheet. After biaxial stretching, a self-healing coating liquid is coated online, followed by shaping and cooling. The nanoparticle suspension includes nano-titanium oxide, MAH-PET polymer, ATO nanoparticles, and titanate coupling agent. The self-healing coating liquid is produced by core-shell emulsion polymerization, forming a nano-silica hard core and an acrylate functional monomer polymer soft shell. This invention adds the nanoparticle suspension by in-situ feeding in the middle of the extruder, reducing steps, improving dispersion uniformity, and making the film surface smoother. Then, the self-healing coating liquid is applied online after longitudinal stretching and before transverse stretching, forming a film on the film surface, improving the hardness and scratch resistance of the film material, enabling rapid self-healing at room temperature, strong stability, and avoiding the occurrence of rainbow patterns.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a self-repairing type lithium ion battery positive electrode adhesive, a preparation method, positive electrode slurry and a positive electrode plate. The adhesive comprises a mixed solvent, and a first copolymer serving as a main component and a second copolymer serving as a cross-linking agent are dissolved in the mixed solvent; the first copolymer is an acrylate-based multipolymer containing carboxyl or hydroxyl; the second copolymer is isocyanate terminated UPy functional polyurethane; the adhesive is in a liquid state at room temperature, when the adhesive is subjected to vacuum heat treatment at 60-180 DEG C, carboxyl or hydroxyl in main components of the adhesive reacts with isocyanate groups of a cross-linking agent to form amido bonds along with volatilization of a mixed solvent, and UPy groups are associated through quadruple hydrogen bonds to form dual dynamic cross-linking points. The method can effectively adapt to the volume change of the positive electrode material in the lithium removal / insertion process, and maintains the integrity of the electrode structure, thereby improving the cycling stability and rate capability of the lithium ion battery.

The invention discloses a passive radiation refrigeration coating and a preparation method thereof, and relates to the technical field of industrial coatings. Comprising a fluoroacrylate emulsion, hollow glass beads, nano titanium dioxide, flaky silicon dioxide aerogel powder, polytetrafluoroethylene micro powder, hydroxyl-terminated polydimethylsiloxane, a hydroxyl acrylic acid modified silane coupling agent, a super-hydrophobic modified fluorosilicone surface additive, nano cerium oxide, aluminum fluoride doped zinc oxide infrared enhancement powder and deionized water. The paint is prepared on the basis of the formula. According to the invention, a multi-scale spectrum regulation and control and surface self-cleaning system is constructed cooperatively, so that the synergistic effect of high reflection of a sunlight region and high emission of a middle infrared region is realized. The coating can maintain continuous passive refrigeration in a day and night period, the surface of the coating has self-cleaning capability and excellent ultraviolet aging resistance, and high reflectivity and high radiation emissivity can be maintained for a long time in a complex outdoor environment, so that the thermal management efficiency of buildings and equipment is remarkably improved.

The invention discloses an uvioresistant acrylic resin coating and a preparation method thereof, and belongs to the technical field of acrylic resin paints.The uvioresistant acrylic resin coating is characterized in that step-by-step functional design is adopted, a functional polyurethane prepolymer is constructed through prepolymerization reaction and double-bond end capping, fluorosilicone modified acrylate emulsion is prepared through a core-shell emulsion polymerization process, and the uvioresistant acrylic resin coating is obtained. Then carrying out surface silane modification on hexagonal boron nitride and carrying out composite coating to obtain a modified boron nitride auxiliary agent; and finally, carrying out composite emulsification and dispersion compounding on all the components to obtain the anti-ultraviolet acrylic resin coating. Through the synergistic enhancement effect of the fluorosilicone modified core-shell structure and the surface modified boron nitride, the ultraviolet aging resistance and the insulation reliability of the coating are remarkably improved on the basis of keeping high adhesive force, excellent flexibility and impact resistance of the coating; the problems that a traditional acrylic coating is prone to yellowing and pulverization under long-term ultraviolet radiation, and the mechanical property is reduced are effectively solved, and the acrylic coating is suitable for the field of electronic equipment protective coatings with high requirements for weather resistance, mechanical strength and electrical insulating property.

The invention discloses a high-refractive-index nano-composite optical adhesive and a preparation method thereof, and belongs to the technical field of optical transparent adhesives. The optical adhesive is prepared by taking a polyurethane acrylate oligomer with a specific structure as matrix resin, introducing surface-modified barium titanate and zirconium oxide core-shell nanoparticles as a functional filler, and matching with an active diluent, a photoinitiator and a silane coupling agent in a specific proportion. Through the design of the core-shell structure, the core problems that the high-refractive-index nanoparticles are easy to agglomerate in an organic resin matrix, the dispersion stability is poor and the bonding force with a matrix interface is weak are effectively solved. The prepared optical adhesive has a refractive index of more than 1.65, a light transmittance of more than 99% and a haze of less than 0.3% after being cured, has excellent bonding strength, weather resistance and long-term use stability, and is especially suitable for precise lamination of high-end display devices (such as OLEDs (Organic Light Emitting Diodes) and micro-lens arrays).

The invention discloses an acrylic acid composite emulsion coating and a preparation method thereof, and relates to the technical field of novel coatings. The acrylic acid composite emulsion coating comprises the following components in parts by mass: 30-50 parts of an acrylate monomer mixture, 1-8 parts of a functional monomer, 0.5-3 parts of a protective colloid, 1.5-5 parts of an emulsifier, 0.2-1.5 parts of an initiator, 40-60 parts of deionized water and 1-3 parts of a weather-resistant agent. The coating adopts a water-based system and takes water as a dispersion medium, so that the use of an organic solvent is reduced, the emission of volatile organic compounds (VOC) is remarkably reduced, and the coating is more environment-friendly. By adding the weather-resistant agent with a specific structure, free radicals can be effectively captured, an oxidation chain reaction can be interrupted, and the weather resistance of the coating is improved through the synergistic effect of multiple mechanisms, so that the phenomena of pulverization, color fading, cracking and the like are unlikely to occur under the action of environmental factors such as ultraviolet rays, oxygen and water vapor.

The invention provides a preparation method and application of a wear-resistant polyimide material, and the preparation method comprises the following steps: S1, adding a polyimide material into an alkali solution for reaction, cleaning reactants with acid and ethanol, and drying to obtain an activated polyimide material; s2, adding the activated polyimide material into a silane coupling agent solution for reaction, cleaning reactants with ethanol and water, and drying to obtain a modified polyimide material with silicon-oxygen bond active sites on the surface; s3, adding the modified polyimide material with silicon-oxygen bond active sites on the surface into a modified epoxy resin solution, adjusting the pH value to be acidic, and reacting to obtain the wear-resistant modified polyimide material, wherein the modified epoxy resin solution is obtained by reacting a silane coupling agent with acrylate. According to the method, the wear resistance of the polyimide can be improved on the premise that other properties of the polyimide material are not influenced.

The invention discloses an ultra-low-density high-strength resin proppant capable of being carried by clear water or low-viscosity slickwater. The proppant is prepared by dispersing, polymerizing and curing a mixture comprising 15 to 50 weight percent of vinyl monomer, 5 to 10 weight percent of acrylate monomer and 50 to 70 weight percent of unsaturated resin. The preparation method comprises the following steps: controlling the resin composition in a water phase by virtue of a dispersing agent and a rotating speed to form spherical liquid drops with the particle size of 12-140 meshes and the sphericity of nearly 100%; then, the temperature ranges from 30 DEG C to 80 DEG C; the propping agent provided by the invention has ultra-low density, can be carried by clear water or low-viscosity slickwater, is suitable for low-viscosity fracturing fluid, low-displacement construction and small-scale fracturing, can realize ultra-far-end seam net support, and greatly increases the oil and gas drainage area. The breaking rate under the closing pressure of 20-90 MPa is lower than 2%, the surface is weakly lipophilic, and the oil-phase flow conductivity is higher than the water-phase flow conductivity.

The invention relates to the technical field of concrete, and particularly discloses super-retarded concrete for an ultra-large pile and a preparation method of the super-retarded concrete. The super-retarding concrete for the ultra-large pile is prepared from the following raw materials in parts by mass: 320 to 400 parts of a cementing material, 1820 to 1960 parts of aggregate, 20 to 28 parts of an inorganic-organic hybrid retarding reinforcing agent, 7.2 to 11.6 parts of a polycarboxylate superplasticizer and 85 to 98 parts of water, the inorganic-organic hybrid delayed coagulation enhancer is prepared by carrying out in-situ free radical polymerization reaction on a hydroxyl acrylate monomer, acrylamide and nano silicon dioxide. According to the inorganic-organic hybrid retarding reinforcing agent, a hybrid substance is formed through a chemical bond, an organic phase is chelated with calcium ions to realize retarding and does not excessively inhibit cement particles, inorganic phase nano silicon dioxide has no agglomeration risk, gaps are filled, a stable product is generated to resist alkali erosion, and the super retarding performance and the long-term strength of concrete are both considered; and the service life of the ultra-large pile is prolonged.

The invention discloses a comb-type polyphosphate polymeric dispersant and a preparation method thereof, the dispersant is prepared by preparing a phosphate monomer from acrylate and phosphorus pentoxide, then copolymerizing the phosphate monomer with phenyl alkene or alkyl alkene, and finally adding alkali liquor for neutralization. A phosphate-polyether bifunctional side chain is introduced to a main chain, a phosphate group provides electrostatic repulsion, and a polyether group enhances steric hindrance, so that the dispersing agent can meet the requirements of strong adsorption and long-range stability at the same time, and a more durable and effective stabilizing effect is provided for a dispersion system.

The invention relates to the technical field of lithium battery negative electrode binders, in particular to a two-component negative electrode binder and a using method thereof.The two-component negative electrode binder comprises a component A and a component B. The component A is formed by copolymerization of acrylamide substances, fluorinated acrylate substances and acrylic acid, and the component B is formed by copolymerization of fluorinated acrylate substances and acrylic acid. The component B is formed by copolymerizing acrylic acid, acrylate, a fluorinated acrylate substance, an acrylamide substance and sulfydryl acrylate, and the component A accounts for 30wt%-70wt% of a mixture of the component A and the component B during use; when the adhesive is used for preparing the negative electrode slurry, a glue solution A and a glue solution B are prepared respectively, the glue solution A is added after the solid raw materials are subjected to dry mixing, the glue solution B is added after the solid raw materials are fully stirred, and finally the leveling aid is added. The two-component negative electrode binder provided by the invention has both rigidity and softness, strong binding power with a main material, strong self-adaptive expansion capability, high release force retention rate after long circulation, and good interface stability.

The invention relates to environment-friendly hydrophobic ink and a preparation method thereof, and belongs to the technical field of water-based ink. A copolymerization modifier capable of being combined in a water-based polyacrylate emulsion in an initiation polymerization mode in the stage of preparing the modified water-based polyacrylate emulsion is prepared, and an o-hydroxy aromatic ketone structure in the copolymerization modifier can endow water-based ink with lasting ultraviolet absorption performance; the trifluoromethyl structure can reduce the surface energy of the water-based ink, and the benzimidazole ring structure can form stable coordinate bonds with metal ions, so that the bonding performance of the water-based ink and a metal substrate is enhanced; when the copolymerization modifier is used for modifying the water-based polyacrylate emulsion, the long-term performance, the hydrophobic and oil-resistant performance and the adhesion performance on the surface of a metal base material of the finished water-based ink can be effectively improved.

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

The present invention belongs to the technical field of polymer binders, and particularly relates to a solid-state battery binder and a preparation method thereof, the solid-state battery binder comprises: a viscous monomer which is an acrylate monomer having a C3-C12 alkyl side chain; the lithium-supplying monomer is a monomer containing phosphate ester or a monomer which contains hydroxyl and amino and is easy to prepare phosphate ester through a phosphate esterification reaction; the lithium-conducting monomer is polyethylene glycol acrylate containing an ethyoxyl structure and a derivative of the polyethylene glycol acrylate; the adhesive monomer, the lithium-supplying monomer and the lithium-conducting monomer are polymerized together through a multifunctional integrated design, the adhesive has high solubility in an ester solvent due to a large number of ester groups contained in the adhesive, so that the bonding effect and the ionic conductivity of the solid-state battery can be improved, and the adhesive provided by the invention has high bonding force, and can be applied to the lithium-ion battery. The composite material has the advantages of high conductivity, high flexibility, high ionic conductivity, high solubility, high electrochemical stability, high temperature resistance and excellent comprehensive performance.

The invention discloses a dynamic borate bond-based self-healing polyacrylic acid binder and a preparation method thereof. The dynamic borate bond-based self-healing polyacrylic acid binder comprises a polymer main chain and a dynamic cross-linking agent, the dynamic cross-linking agent is a polyol compound containing at least two pairs of ortho-hydroxyl groups; the polymer main chain is formed by copolymerizing the following monomers: an acrylic structural monomer, the molar fraction of which accounts for 85-94% of the total monomer; a functional monomer containing a boric acid group, wherein the molar fraction of the functional monomer accounts for 3-8% of the total monomer; the mole fraction of the flexible monomer containing the acrylate group accounts for 3-8% of the total monomer. Various stresses generated by different negative electrode materials in circulation can be effectively adapted and buffered through a network formed by dynamic boric acid ester bonds and reversible fracture and combination of the boric acid ester bonds, so that the service life of the battery is generally prolonged, the working temperature range of the battery can be remarkably widened, the low-temperature discharge capacity can be remarkably increased, and the high-temperature cycle life can be prolonged.

The invention relates to the technical field of polymer photoelectric materials, in particular to a preparation method of a supramolecular gel electrolyte. The method comprises the following steps: esterifying tetraphenylethylene alcohol and methacryloyl chloride to form tetraphenylethylene methacrylate, and performing staged linear heating polymerization on the tetraphenylethylene methacrylate, 3-(methacrylamido) propyl dimethyl 3-thiopropyl ammonium oxide inner salt, acrylic acid, tetraphenylethylene methacrylate and 4-vinylpyridine under the action of ammonium persulfate to obtain a tetraphenylethylene copolymer. And finally, soaking in a lithium chloride aqueous solution to obtain the supramolecular hydrogel electrolyte. The hydrogel obtained by the invention has high mechanical strength and high ionic conductivity, and is suitable for energy storage devices such as flexible supercapacitors and the like.

The invention belongs to the technical field of high polymer materials, and particularly relates to bio-based light-cured polyurethane acrylate resin as well as a preparation method and application thereof. The preparation method of the bio-based light-cured polyurethane acrylate resin comprises the following steps: (1) mixing a catalyst, a first polymerization inhibitor, first hydroxyl acrylate and itaconic acid, stirring and reacting at 90-120 DEG C for 6-9 hours to obtain a reaction product, then adding epoxidized soybean oil, and stirring at 90-120 DEG C for 3-5 hours to obtain a prepolymer; and (2) cooling the prepolymer obtained in the step (1) to room temperature, dropwise adding second acrylic hydroxyl ester and diisocyanate, and then stirring and reacting at 30-60 DEG C for 1.5-4 hours until an NCO infrared peak value disappears, thereby obtaining the polyurethane acrylate. The resin is high in bio-based content, moderate in viscosity, good in flexibility, high in hardness, strong in adhesive force, high in glossiness, small in smell and good in storage stability, and is suitable for being applied to preparation of UV curing coatings, UV curing printing ink, UV curing adhesives, 3D printing materials and nail polish glue.

The invention provides an acrylate monomer with a high refractive index and a preparation method and application thereof, the acrylate monomer has a structure as shown in a formula G1, G2 or G3, the refractive index of the acrylate monomer is 1.75 or above, so that a holographic recording medium has higher sensitivity and higher diffraction efficiency, and the holographic recording medium can be applied to the field of holographic recording. The holographic recording medium is used for a holographic grating, so that the holographic grating has high diffraction efficiency and high refractive index modulation degree.

The invention relates to the technical field of high polymer materials, in particular to high-strength and high-toughness modified plastic particles as well as a preparation method and application thereof. The preparation method of the high-strength and high-toughness modified plastic particles comprises the following steps: carrying out a reaction on MMT / CNTs and diisocyanate to prepare isocyanate-based MMT / CNTs; the preparation method comprises the following steps: reacting isocyanate-based MMT / CNTs with glycerol 1, 3-diglycerol alkyd diacrylate to prepare MMT / CNTs containing alkenyl groups; the preparation method comprises the following steps: carrying out grafting reaction on maleic anhydride, alkenyl-containing MMT / CNTs and POE (Polyolefin Elastomer) to prepare a modifier; and carrying out melt blending, extrusion, cooling and pelletizing on the modifier, the auxiliary agent and PA6 to obtain the high-strength and high-toughness modified plastic particles. The nano filler MMT / CNTs and the polyolefin elastomer POE are introduced, so that the modified plastic particles taking the PA6 as the matrix have high strength and high toughness.

The invention relates to the technical field of electroplating primers, and particularly discloses an anti-burst electroplating primer and a preparation method thereof. The invention relates to an anti-burst electroplating primer which comprises the following components in parts by weight: 8-12 parts of bifunctional polyurethane acrylate; 20 to 25 parts of trifunctional polyester acrylate; 10 to 15 parts of modified epoxy acrylic resin; 13 to 20 parts of a UV monomer; 4-6 parts of a photoinitiator; 0.1 to 0.2 part of a leveling agent; and 33-45 parts of a solvent. The anti-burst electroplating primer disclosed by the invention can be used for the surface of a plastic base material such as a PET material, has the advantages of no burst in a free falling body with the height of 80cm and adhesive force of more than level 1, endows a subsequent electroplated layer with good adhesive force and reduces the burst problem of a product under pressure.

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 relates to the technical field of protective glue, in particular to extreme high and low temperature impact resistant UV (ultraviolet) photocuring electronic protective glue which is prepared from the following raw materials in parts by weight: 30-50 parts of synergistically modified epoxy-urethane acrylate oligomer, 20-35 parts of composite active monomer, 1.5-5 parts of composite photoinitiator and 10-20 parts of core-shell structure inorganic composite filler, 0.6 to 2.2 parts of a silane coupling agent, 0.12 to 1.1 parts of an antioxidant and 0.11 to 1 part of a leveling agent; the preparation method of the synergistically modified epoxy-urethane acrylate oligomer comprises the following steps: reacting resin acid modified epoxy resin with phosphoric acid di (hydroxyethyl acrylate) ester at 80-90 DEG C, and introducing a phosphate group to obtain a phosphate modified epoxy acrylate intermediate; the protection glue unifies rigidity, flexibility and flame retardance on the molecular level through the cooperation of the hybrid oligomer and the core-shell filler, realizes high heat conductivity, strong adhesion and extremely low internal stress, and has extreme temperature impact resistance, long-term damp-heat aging resistance and high-reliability protection performance.

The invention relates to the technical field of optical cement, in particular to high-temperature-resistant acrylic optical cement with high light transmittance and a preparation method of the high-temperature-resistant acrylic optical cement. The preparation method of the high-light-transmittance high-temperature-resistant acrylic optical adhesive comprises the following steps: (1) under the protection of inert gas, mixing an acrylate monomer, a carboxyl-containing monomer, an epoxy-containing monomer, a hydroxyl-containing monomer, a photoinitiator and modified inorganic nanoparticles, and stirring at 60-90 DEG C and 200-600rpm for 3-8 hours to obtain an adhesive solution; and (2) carrying out vacuum curing on the glue solution at 50-80 DEG C for 5-15 minutes to form a glue material, pressing the glue material into a film, and cooling to obtain the optical cement. The prepared high-temperature-resistant acrylic optical adhesive with high light transmittance has good light transmittance, high-temperature resistance and good peel strength, the light transmittance of the optical adhesive is larger than 90%, the heat-resistant temperature is larger than 150 DEG C, the peel strength is larger than 14 N / 25 mm, and the peel strength after high-temperature treatment is larger than 11.8 N / 25 mm.

The invention discloses a low-temperature fast-curing two-component resin adhesive and a preparation method thereof, and belongs to the technical field of high polymer materials. The resin adhesive is formed by mixing a component A and a component B, the component A comprises epoxy-acrylate hybrid resin, a reactive diluent, a nano reinforcing filler and the like, and the component B comprises a modified aliphatic amine curing agent, a microcapsule low-temperature efficient accelerant, a Mannich base curing agent and the like. Through the synergistic effect of a quaternary curing system and in combination with the rigid-flexible balance design of the hybrid resin, rapid curing at low temperature is achieved, and high strength, high toughness and good storage stability are achieved. The resin adhesive is suitable for the fields of bonding of automobile parts, packaging of electronic elements, repairing of wind power blades, sealing of building structures and the like, and particularly solves the problems that a traditional resin adhesive is slow in low-temperature curing and insufficient in performance.

The invention provides an environment-friendly water-based acrylic emulsion adhesive without containing an organic solvent. The environment-friendly water-based acrylic emulsion adhesive is prepared from the following raw materials: 55-60 wt% of eleostearic acid hydroxyethyl acrylate (TMA), 15-25 wt% of butyl acrylate (BA), 3-10 wt% of acrylic acid (AA), 2-5 wt% of a cross-linking agent, 3-8 wt% of modified soil and 0.5-1 wt% of an initiator as a solid phase; the liquid phase is deionized water, and the environment-friendly water-based acrylic emulsion adhesive is prepared through semi-continuous emulsion polymerization. The prepared environment-friendly water-based acrylic emulsion adhesive is high in biodegradability and low in VOC content, has the mechanical property matched with that of a traditional acrylic emulsion adhesive and also has the self-repairing capacity, waste materials can be treated by changing the temperature or pH condition, the environment-friendly water-based acrylic emulsion adhesive can be recycled for multiple times, and the recycling cost is reduced.

The invention belongs to the technical field of oil well paraffin removal and prevention, and relates to a paraffin removal and prevention agent for a shale oil shaft and a preparation method thereof. The paraffin remover and inhibitor for the shale oil wellbore comprises the following raw materials in percentage by mass: 40-55% of an oily solvent, 1-3% of a cosolvent, 1-2% of imidazole bis (trifluoromethanesulfonyl) imide salt, 10-20% of a wax crystal modifier, 3-5% of an emulsifier, 1-2% of an alkaline regulator and 25-35% of water, wherein the sum of the mass percentages of the raw materials is 100%. The wax crystal modifier is prepared by copolymerizing (methyl) acrylic acid C12-C16 ester, (methyl) acrylic acid C1-C3 ester and (methyl) acryloyl chloride and then reacting with C20-C30 alkyl alcohol. The wax crystal modifier provided by the invention has long-medium-short branched chains, and interacts with the imidazole bis (trifluoromethanesulfonimide) salt capable of improving the paraffin removal effect and low-temperature fluidity, so that the efficient paraffin removal and inhibition effect is realized, and the better paraffin removal and inhibition effect can still be kept at low temperature.