32results about How to "Improve curing speed" patented technology

The invention belongs to the technical field of grouting materials, and particularly relates to a graphene modified ternary composite ultrafast curing grouting material and a preparation method thereof. The technical scheme is as follows: the graphene modified ternary composite ultrafast curing grouting material comprises the following components: a main agent and a curing agent in a weight ratio of 4: 1, wherein the main agent is prepared from the following components in parts by weight: 30 to 33 parts of modified nano calcium silicate, 0.8 to 0.9 part of functionalized graphene, 3.8 to 4.2 parts of intelligent response type expansion factors, 2.5 to 3.0 parts of nanoscale molecular sieves and 18 to 20 parts of surface modified composite mineral admixtures; the main agent is prepared by adopting a special dispersion medium; the curing agent is prepared from the following components in parts by weight: 1.5 to 1.8 parts of amino-functionalized carbon nanotubes, 9 to 10 parts of an active site initiator, 4.5 to 5.0 parts of an interface coupling agent composite system and 2.5 to 2.8 parts of an intelligent regulation and control aid; the curing agent is prepared by a special carrier. The invention provides a graphene modified ternary composite ultrafast curing grouting material and a preparation method thereof.

The invention discloses a high-barrier fast-curing solvent-free polyurethane adhesive and a preparation method thereof, and belongs to the field of preparation of polyurethane adhesives. The adhesive is composed of a component A and a component B, the component A and the component B are used in cooperation according to the functional group molar ratio of-NCO:-OH = 1.1-1.9: 1, and the component A is a modified isocyanate adduct formed by reaction of modified polyester polyol and polyisocyanate; and the component B is a mixture of castor oil derivative polyol, modified polyester polyol and polyether polyol. According to the adhesive, through selection of raw material monomers, design of a molecular chain structure and a specific molecular weight size and regulation and control of a molecular proportion, higher reaction activity and excellent water and oxygen blocking performance are achieved. The high-barrier fast-curing adhesive is excellent in peel strength and can meet the actual application process requirements of the adhesive, so that the high-barrier fast-curing adhesive can be widely applied to the field of composite flexible packaging.

The invention relates to the field of aluminum alloy door and window enterprises, and discloses an electrostatic powder spraying process and device for aluminum alloy machining, and the electrostatic powder spraying process comprises the following steps: pretreatment: pretreating an aluminum alloy base material, the pretreatment comprises polishing, cleaning and preheating treatment; powder treatment is conducted, specifically, a treatment agent accounting for 5%-10% of the mass of the powder base material is added into the powder base material, high-speed stirring is conducted, spraying powder is obtained, and the treatment agent is composed of a low-Tg polyester resin modifier and nano titanium dioxide; and electrostatic spraying is conducted, specifically, powder spraying is conducted on the surface of the pretreated aluminum alloy base material through electrostatic powder spraying equipment through spraying powder. Powder added with a treating agent is sprayed to an aluminum alloy base material, low-temperature rapid curing is conducted, the curing process of the coating is rapidly completed at the relatively low temperature through stage gradient temperature curing and auxiliary curing, and the curing efficiency and quality are further improved through ultraviolet light and microwave auxiliary curing.

The embodiment of the invention provides hydrophobic bio-based ultraviolet curing resin, a preparation method thereof and a coating. The hydrophobic bio-based ultraviolet curing resin comprises the following raw materials in parts by weight: 380-450 parts of epoxy resin; 70 to 100 parts of acrylic acid; 260 to 700 parts of acid anhydride; 300 to 400 parts of a UV monomer; 2-4 parts of a polymerization inhibitor; 4-10 parts of a catalyst; wherein the anhydride comprises tung oil anhydride. According to the hydrophobic bio-based ultraviolet curing resin, the preparation method thereof and the coating provided by the embodiment of the invention, tung oil anhydride is introduced, so that the product has the performance of a tung oil molecular structure, the hydrophobic performance and the flexibility of the resin are improved due to a long-chain alkyl structure, and meanwhile, the distribution of carbon-carbon double bonds is diluted; the volume shrinkage rate in the resin curing process is reduced, so that the adhesive force of the resin is comprehensively improved.

The main and fine grid integrated HJT silver paste comprises the following components in percentage by mass: 85-92% of silver powder, 2-6% of organic resin, 0.5-2% of a curing agent, 0-1% of a thixotropic agent, 0-1% of an epoxy catalyst, a silicone oil catalyst and 2-5% of an organic solvent. The silver powder at least comprises three kinds of powder with different particle sizes, wherein the ball powder and the ball-like powder with the D50 being 2-6 micrometers and the tap density being 5-6 g / mL account for 30%-50% in one kind, the ball powder and the ball-like powder with the D50 being 0.1-1 micrometer and the tap density being 3-5 g / mL account for 20%-40% in the second kind, and the sheet powder with the D50 being 0.5-2 micrometers and the tap density being 3-5 g / mL account for 10%-30% in the third kind.

The invention discloses a cashew nut shell oil modified phenolic aldehyde amine epoxy curing agent and a preparation method thereof. The cashew nut shell oil modified phenolic aldehyde amine epoxy curing agent is prepared from the following components in percentage by mass: 10-20% of low-molecular fatty amine, 15-30% of formaldehyde, 35-55% of cashew nut shell oil and 15-20% of organic alcohol. Performance detection shows that the cured product has the characteristics of quick drying and high hardness, has toughness and impact resistance similar to those of a polyamide curing agent, is also suitable for low-temperature curing under a normal-temperature curing condition, is low in price and has good curing performance compared with a common phenolic aldehyde amine epoxy curing agent, and is suitable for being used in the field of high-temperature curing. The epoxy resin is mainly suitable for epoxy floor coatings, building structural adhesives and the like.

The invention discloses putty for a special vehicle body material and a preparation method of the putty, and relates to the technical field of putty. The putty for the special vehicle body material is prepared from modified unsaturated polyester resin, a dispersing agent, modified talcum powder, bentonite, fumed silica, titanium dioxide, cobalt iso-octoate, cyclohexanone peroxide and dibutyl phthalate. The modified unsaturated polyester resin is obtained by reacting a modified unsaturated polyester resin precursor with hydroxyalkyl-terminated modified polysiloxane and then reacting with isocyanate terpyridyl; the modified talcum powder is obtained by reacting talcum powder modified by p-aminophenyltrimethoxysilane with chlorobenzene, cyclizing by using powdered sulfur, reacting with 1-iodoheptane, formylating by using phosphorus oxychloride, and grafting p-trifluoromethylaniline and arginine. The putty for the special vehicle body material prepared by the invention has the advantages of quick drying, antibacterial property and heat resistance.

The invention relates to the technical field of solid waste recycling, and provides an anti-dispersion grouting material based on coal-based solid waste and a preparation method and application thereof.The anti-dispersion grouting material is prepared from coal gangue, fly ash, silica fume, cellulose, a water reducing agent and an alkali activator, and the alkali activator is prepared from deionized water, sodium hydroxide and water glass. The anti-dispersion grouting material based on the coal-based solid waste is prepared according to the following steps: mixing coal gangue, fly ash, silica fume, cellulose and a water reducing agent, and stirring to prepare a powder precursor; an alkali activator is added into the prepared powder precursor, the alkali activator is prepared from deionized water, sodium hydroxide and water glass, stirring continues to be conducted, and the anti-dispersion grouting material based on the coal-based solid waste is prepared. The anti-dispersion grouting material with excellent fluidity, stability and mechanical properties can be prepared, an innovative path is provided for recycling of coal-based solid waste, the material cost is remarkably reduced, and the environmental protection benefit and the engineering application value are improved.

The utility model discloses corrosion protection coating spraying equipment for a railway track, which comprises a track cart, and a spraying mechanism for spraying the surface of the railway track is fixedly arranged above the track cart. The spraying mechanism comprises a first coating tank, a second coating tank and a coating conveying mechanism, the first coating tank and the second coating tank are fixedly arranged above the track trolley, one end of the coating conveying mechanism is connected with the output end of the first coating tank and the output end of the second coating tank at the same time, and the other opposite end of the coating conveying mechanism can partially extend out of the track trolley and is in transmission connection with a driving source arranged outside the track trolley; the coating nozzles are symmetrically arranged on the two sides of the coating conveying mechanism, one end of each coating nozzle is communicated with a coating mixing pipeline in the middle of the coating conveying mechanism, and the other opposite end of each coating nozzle is in surface contact with the conical surface guide part on the periphery of the track trolley, so that the coating nozzles can partially extend out of the track trolley; and a paint spraying surface in the paint spraying nozzle is arranged below the track trolley in the vertical direction and is used for uniformly spraying the surface of the railway track.

The object of the present invention is to provide a novel oil composition suitable for use in chocolate products that is substantially free of lauric acid. An oil composition satisfying the following (a) and (b): (a) The weight ratio (P2Po / P2M) of the content of a triglyceride (P2Po) bonded to two palmitic acids (P) and one palmitoleic acid (Po) relative to the content of a triglyceride (P2M) bonded to two palmitic acids (P) and one monounsaturated fatty acid (M) having 16 to 24 carbon atoms is 0.04 or more; (b) The content of a triglyceride (S3) bonded to three saturated fatty acids (S) having 16 to 24 carbon atoms is 1.5 to 13% by weight.

The present application relates to solid waste recycling technical field, provide a kind of based on coal-based solid waste's anti-dispersion grouting material and its preparation method and application, the material is made of coal gangue, fly ash, silica ash, cellulose, water reducing agent and alkali activator, wherein, alkali activator is made of deionized water, sodium hydroxide and water glass.The based on coal-based solid waste's anti-dispersion grouting material is prepared according to following steps: after mixing coal gangue, fly ash, silica ash, cellulose and water reducing agent, stirring treatment is carried out, and powder precursor is prepared;Alkali activator is added to the prepared powder precursor, and alkali activator is made of deionized water, sodium hydroxide and water glass, continue to stir to prepare the based on coal-based solid waste's anti-dispersion grouting material.The present application can prepare the anti-dispersion grouting material of excellent fluidity, stability and mechanical property, provides innovative path for the resource of coal-based solid waste, significantly reduces material cost, improves environmental benefits and engineering application value.

The invention belongs to the technical field of polyurethane compositions, and particularly relates to all-water foaming stone-like polyurethane foam as well as a preparation method and application thereof. The all-water foaming stone-like polyurethane foam is composed of a component A and a component B in a mass ratio of 1: (1-1.15), and the component A comprises the following raw materials: polyether polyol 1, polyether polyol 2, polyether polyol 3, a composite catalyst, a flame retardant, a surfactant and water; and the component B is polymethylene polyphenyl isocyanate. According to the all-water foaming stone-like polyurethane foam provided by the invention, polyethers with different viscosities are combined and cooperate with different types of catalysts, and an all-water foaming mode is adopted, so that the fluidity of a system is improved, the characteristic of rapid curing is maintained, bubbles on the surface of a product can be effectively eliminated, and the performance of the product is improved. The hard polyurethane product with clear texture and flat and stone-like surface is obtained; the invention also provides a preparation method thereof.

Disclosed relates to a method and an apparatus for analyzing an ECG signal, an electrophysiological signal recorder, a three-dimensional mapping system, and a computer device. The method includes: acquiring (S202) N first intracardiac electrical signals in a region of interest or at a reference point / in a reference region; generating (S204) a first comparison signal spectrogram according to the N first intracardiac waveforms; acquiring (S206) M second intracardiac electrical signals at the point of interest to acquire M second intracardiac waveforms; generating (S208) a second comparison signal spectrogram according to the M second intracardiac waveforms; performing (S210) a comparative analysis on the first comparison signal spectrogram and the second comparison signal spectrogram and generating a comparative analysis result; and outputting (S212) prompt information indicating whether the point of interest is a focal point according to the comparative analysis result. Accordingly, by performing spectrogram analysis on intracardiac electrical signals, and comparing and determining different spectrograms, the determination of the focal point can be more accurate, thereby providing the doctors with more effective information, such that the cure rate of arrhythmia diseases is effectively improved.

The invention discloses a magnesium-aluminum alloy casting coating and a preparation process thereof. The casting coating comprises a prime coating and a surface coating, the prime paint is prepared from the following raw materials in parts by mass: prime aggregate, an alcohol solvent, a flatting agent and a dispersing agent; the bottom layer aggregate is mixed aggregate of magnesia powder and refractory aggregate; the surface layer coating is prepared from the following raw materials in parts by mass: surface layer aggregate, a binder, a suspending agent, a dispersing agent and water. According to the casting coating disclosed by the invention, magnesia powder adopted by the prime coating is mixed with refractory aggregate with a specific particle size, aggregate with a specific particle size is adopted by the surface coating, and the curing speed and uniformity of the coating are improved through the synergistic effect of the prime coating and the surface coating in combination with specific raw material proportioning and process; the consistency and the reliability of the coating performance are ensured, the problems of high cooling speed and local advanced crystallization in the magnesium alloy casting process are effectively solved, and the overall performance and the production efficiency of castings are improved.

The invention relates to the field of ultraviolet curing coatings, in particular to a plastic matte ultraviolet curing coating and a preparation method thereof.The plastic matte ultraviolet curing coating is prepared from, by weight, 30-40 parts of acrylic resin, 15-30 parts of bifunctional monomers, 30-45 parts of trifunctional monomers, 5-10 parts of modifier, 1-5 parts of active amine, 3-6 parts of initiator and 1-3 parts of auxiliaries; the structural formula of the modifier is as follows: # imgabs0 #. A coating film formed after the coating prepared by the invention is subjected to ultraviolet curing has good mechanical properties and strong adhesive force with a plastic matrix.

The invention discloses a formaldehyde-free flame-retardant lignin adhesive and a preparation method thereof. The formaldehyde-free flame-retardant lignin adhesive comprises the following raw materials in parts by weight: 30-40 parts of modified lignin, 10-20 parts of water, 5-10 parts of industrial starch, 3-5 parts of a cross-linking agent, 1-2 parts of a defoaming agent, 1-2 parts of an antioxidant and 1-2 parts of a preservative. The modified lignin is obtained by purifying, activating and modifying the lignin. The hydroxyl active groups in the modified lignin react with isocyanate groups in a cross-linking agent polyphenyl polymethylene polyisocyanate during the curing process of the adhesive, so that the adhesive has certain polyurethane characteristics and has good anti-aging performance and mechanical properties. At the same time, hyperbranched silane and DOPO anhydride are introduced in the modification process to form a cross-linking network, so that the adhesive has good flame retardancy and certain anti-aging and water resistance. The introduction of a large number of amino and carboxyl groups can also improve the bonding strength of the adhesive.

The present invention relates to a method for post-curing a 3D printing output and a transparent orthodontic device manufactured by the method, and the method for post-curing a 3D printing output according to the present invention removes residual resin from printouts manufactured through a 3D printer, shortens the curing time by improving the curing speed through a post-curing process, and can manufacture printouts with improved strength and increased transparency. Further, the transparent orthodontic device according to the present invention removes resin of the surface through the post-curing process when manufacturing a transparent orthodontic device, improves strength, not only has excellent transparency, but also enables unreacted monomers to be removed, and can exhibit shape memory characteristics that restore its shape to the initially printed-out shape of the transparent orthodontic device by the provision of heat.

The present invention relates to the technical field of solid-state batteries, and in particular to an additive manufacturing method for all-solid-state batteries, comprising: forming positive electrode slurry, negative electrode slurry, electrolyte slurry and current collector slurry; forming each primary solid-state battery assembly; post-processing each primary solid-state battery assembly to form a finished solid-state battery; obtaining several quality test results of the finished solid-state battery; determining the additive manufacturing state according to the proportion of the number of unqualified products in the quality test; if the additive manufacturing state is unstable, adjusting the cutting distance or determining whether the slurry solidification state meets the requirements in combination with the surface inclination of the primary solid-state battery assembly; if the slurry solidification state does not meet the requirements, adjusting the printing speed of the additive device according to the surface inclination of the primary solid-state battery assembly or adjusting the rising rate of the stirring blade according to the maximum average flow distance of the slurry. The present invention achieves the improvement of additive manufacturing accuracy and slurry stability.

The invention discloses a preparation method of a high-strength glass fiber plate by using flame-retardant fast-curing glass fabric, and belongs to the technical field of preparation of glass fiber plates. The preparation method of the high-strength glass fiber plate using the flame-retardant fast-curing glass fiber cloth comprises the following steps: step 1, adding a composite flame retardant into deionized water, carrying out ultrasonic dispersion, adding the glass fiber cloth, and drying to obtain the treated glass fiber cloth; 2, phenolic resin and benzoxazine resin are added into a container, then 4-dodecyl resorcinol is added, oil bath stirring and constant-temperature heat preservation reaction are carried out, then the container is cooled for reaction, after the reaction is finished, modified phenolic resin is obtained, the modified phenolic resin, a composite curing agent and a dispersing agent are mixed and stirred, and composite resin is obtained; 3, the treated glass fiber cloth is added into the composite resin to be soaked, taken out, placed in a mold, pressed and cured, and the high-strength glass fiber plate is obtained. The glass fiber plate prepared by the method has excellent mechanical property and flame retardant property.

The invention discloses an ultraviolet curing organic silicon adhesive, a preparation method and application, and belongs to the technical field of high polymer materials. Wherein the adhesive comprises a sulfydryl organic silicon material, an acrylate organic silicon material, vinyl modified polyvinyl chloride and other components, and the preparation method comprises the following steps: S1, preparing the vinyl modified polyvinyl chloride; s2, preparation of sulfydryl organic silicon grafted vinyl modified polyvinyl chloride; and S3, preparing the ultraviolet light curing organic silicon adhesive. According to the prepared ultraviolet curing organic silicon adhesive, a sulfydryl organic silicon material is grafted to vinyl modified polyvinyl chloride through a thiol-ene reaction, and acrylate organic silicon is connected, so that the light curing speed, the high and low temperature resistance and the adhesion of the adhesive are remarkably improved. The invention solves the problems of low curing speed and poor adhesive property caused by poor compatibility of polyvinyl chloride and an organic silicon material, and has the potential of being applied to preparation of a pressure-sensitive adhesive, a sealing adhesive, a laminating adhesive and a pouring sealant.

An ablation system and a nerve detection device thereof. The nerve detection device includes a power supply module (10), a computation and control module (20), an energy generation module (30) and a blood pressure monitoring module (40). The computation and control module (20) is electrically connected to both the energy generation module (30) and the blood pressure monitoring module (40). The energy generation module (30) is configured to connect to a detecting catheter (50) and to detect a given site in an artery by outputting first energy to the detecting catheter (50). The blood pressure monitoring module (40) is configured to connect to a blood pressure sensor (60). The blood pressure sensor (60) is configured to monitor a patient's blood pressure prior to and during the detecting of the given site by the energy generation module (30) with the first energy and to output the blood pressure monitoring result. The blood pressure monitoring module (40) is further configured to transmit the blood pressure monitoring result to the computation and control module (20). The computation and control module (20) is configured to determine, based on the blood pressure monitoring result, whether there is an ablation target at the given site. The detecting allows accurate location of an ablation target in an ablation procedure, which results in improved effectiveness and safety of the ablation procedure.

The invention relates to the technical field of curing adhesives, and discloses a UV curing adhesive for an FPC and a preparation method of the UV curing adhesive. Comprising the following operation steps: mixing aliphatic polyurethane acrylate, a reactive diluent and a defoaming agent, heating to 50-60 DEG C, stirring for 1-2 hours, adding modified polyurethane acrylate, a photoinitiator and an antioxidant, uniformly mixing, and filtering to obtain the UV curing adhesive. Aliphatic polyurethane acrylate is used as a base material; the flexible adhesive has good flexibility and curing speed, but is high in shrinkage rate; in the scheme, trimethylolpropane triacrylate and siloxane ethylene glycol epoxy acrylate are taken as reactive diluents, so that the curing shrinkage rate and the thermal stability are reduced; and modified polyurethane acrylate with Schiff base is introduced to synergistically further improve the thermal stability of the UV curing adhesive.

The utility model discloses an efficient curing oven for glass wool processing, which belongs to the technical field of glass wool curing technology, and comprises an oven body, the inner wall of the oven body is fixedly connected with a perforated plate for placing processed articles, the bottom of the oven body is fixedly connected with two guide rails, and the two guide rails are symmetrically arranged relative to the axis of the oven body. A rectangular sliding strip is slidably connected into the guide rail, a plurality of heating pipes are installed on the surface of the rectangular sliding strip at equal intervals, an L-shaped support is fixedly installed on the rear side of the furnace body, a motor is fixedly connected to the L-shaped support, and the output end of the motor is connected with a rotating shaft. And a power mechanism for controlling the rectangular sliding strip to reciprocate to enlarge the heating area of the heating pipe is arranged on the rotating shaft. According to the curing oven device, in the heating process, the area of a heating area and the initial heating range can be enlarged, rapid circulation of heat in the oven is enhanced by arranging the auxiliary heating mechanism, rapid transfer of the heat is effectively promoted, and the surface of an object can rapidly reach the expected temperature.

This invention discloses a novel moisture- and thermosetting composition comprising: (A) at least one silicone-epoxy hybrid prepolymer containing one or more hydroxyl groups and / or one or more alkoxy groups bonded to silicon atoms and containing one or more epoxy groups; (B) at least one latent imine curing agent; (C) at least one moisture-curing catalyst; (D) at least one crosslinking agent capable of crosslinking the at least one silicone-epoxy hybrid prepolymer; and (E) optionally, at least one filler. This document also provides methods for preparing the composition, methods for bonding substrates using the composition, articles bonded or sealed using the composition, cured products of the composition, and uses of the composition.

The invention belongs to the technical field of printing supplies, and discloses UV ink and a preparation method thereof. The UV ink comprises polyester acrylate, an active monomer, an active diluent and a photoinitiator, wherein the active monomers comprise a first active monomer and a second active monomer, and the mass ratio of the first active monomer to the second active monomer is 1: (1-3); the first active monomer comprises an acryloyl morpholine active monomer and an alkyl acetal acrylic ester active monomer, and the second active monomer comprises a furan ring active monomer and an aliphatic epoxy active monomer; the reactive diluent is butyl glycidyl ether and dipropylene glycol diacrylate, and the mass ratio of the butyl glycidyl ether to the dipropylene glycol diacrylate is 1: (2-5). The UV ink provided by the invention has excellent color saturation and adhesive force on a PE film while meeting the requirements of stability and printing smoothness, and can be widely applied to printers provided with industrial printing heads.

The application discloses a plugging glue and a preparation method thereof. The plugging glue raw material comprises the following components in percentage by mass: 9-25% of photocuring resin, 0.5-1% of a photo initiator, 70-85% of modified inorganic fillers and 4-6% of modified heat-conducting fillers; the modified inorganic fillers are inorganic fillers modified by a silane coupling agent; and the modified heat-conducting fillers are heat-conducting fillers modified by a silane coupling agent. The photocuring resin, the modified inorganic fillers and the modified heat-conducting fillers are compounded, so that the plugging glue has excellent viscosity and rapid curing performance, the shortcomings of traditional high polymer adhesives are overcome, and the plugging glue can be used for rapidly plugging the inflatable equipment under pressure, and can be applied to the rapid pressure plugging of the sand eye cracks, micro cracks and annular leaking parts of the inflatable equipment.

The invention belongs to the technical field of preparation of photocuring ink, and provides photocuring ink capable of resisting electrolytic etching of a novel process. The light-cured ink is prepared from the following raw materials: modified epoxy resin UV-1, acrylic acid modified epoxy resin UV-2, dipentaerythritol hexaacrylate, pentaerythritol tetraacrylate, trimethylolpropane triacrylate, trifunctional acid ester, tripropylene glycol diacrylate, gamma-methacryloxypropyltrimethoxysilane, 3-(2, 2, 6-trimethyl-1, 3, 6-trimethyl-1, 3, 6-trimethyl-1, 3, 6-trimethyl-1, 3, 6-trimethyl-1, 3, 6-trimethyl-1, 3, 6-trimethyl-1, 3, 6-trimethyl-1, 3, 6-trimethyl-1, 3, 6-trimethyl-1, 3, the invention relates to a light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED) light-emitting diode (LED); the light-cured ink provided by the invention can show excellent corrosion resistance in the electrolytic etching process, and effectively prevents electrolyte from corroding the ink.

The invention discloses an early-strength steam-curing-free high-content fly ash cement-based composite material as well as a preparation method and application thereof, and the method comprises the following steps: 1, uniformly mixing cement, superfine fly ash and fine fly ash to obtain a component A; 2, mixing alkaline aluminum oxide, calcium oxide, calcium sulfate, sodium fluosilicate, superfine hydrated calcium silicate and calcium formate, and grinding to obtain a component B; 3, sulphoaluminate cement, polyaluminum sulfate, superfine silicon dioxide powder and superfine acidic aluminum oxide are mixed and ground, and a component C is obtained; and 4, adding water into a polymer activator solution with the solid content of 50% to obtain a diluted polymer activator solution, adding the diluted polymer activator solution into a mixture of the component A, the component B and the component C, and uniformly stirring to obtain the early-strength steam-curing-free high-content fly ash cement-based composite material. The high-content fly ash cement-based composite material with high early strength can be obtained without steam curing, energy consumption and carbon emission are reduced, and production efficiency is improved.

The invention discloses an adhesive, a preparation method thereof and an adhesive tape. The adhesive comprises the following components: water-based resin, a curing agent, a plasticizer, a cross-linking agent, a hydrophilic auxiliary agent and deionized water. The water-based resin comprises water-based polyamide resin, water-based polyurethane-acrylic acid copolymer resin and water-based fluororesin; the cross-linking agent comprises an isocyanate cross-linking agent, an epoxy resin cross-linking agent and an ethylene cross-linking agent, and the hydrophilic auxiliary agent comprises polyvinyl alcohol and polyvinylpyrrolidone; according to the adhesive, the preparation method thereof and the adhesive tape, the technical problems of adhesive power, stability, flexibility, processability, environmental protection property, wettability and the like of the adhesive are solved by optimizing the formula of the adhesive, especially the combination of the water-based resin, the cross-linking agent, the plasticizer and the hydrophilic aid, and the requirements on high-performance adhesives in industrial application are met.

The application discloses a kind of alicyclic epoxy resin and liquid crystal screen black UV edge sealing glue composition containing it and preparation method thereof.The alicyclic epoxy resin is synthesized by the following resin and monomer reaction, and the molar ratio of reaction is controlled as monomer A:resin B=2.01:1, monomer D:monomer A=2:2.01, and the structure of alicyclic epoxy resin is as follows.By adding the synthesized alicyclic epoxy resin and regulating the proportion of each component in the liquid crystal screen edge sealing glue composition, on the one hand, the powder sedimentation problem of the system is solved, the stability of the piezoelectric valve glue is ensured, and the system reaches a certain curing hardness, on the other hand, the UV cation curing speed and the curing depth under the condition of black system are improved.The preparation method provided in the application has simple operation process, raw materials are easy to purchase, and can be produced and prepared on a large scale.