121 results about "Butanone" patented technology

The invention discloses a colorful acid and alkali resistant laser printing ink and a preparation method thereof. The printing ink is composed of the following components in parts by weight: 0 to 30 parts of butanone, 10 to 30 parts of isopropanol, 2 to 6 parts of curing agent, 10 to 15 parts of pigment, and 10 to 30 parts of glycidyl ether epoxy resin. The glycidyl ether epoxy resin is adopted to produce the printing ink, aliphatic polyamine is further chosen as the curing agent, the acid and alkali resistant performance of the printing ink is strengthened through optimizing the formula, thus the shortage that the colorful laser printing ink is lost when being mixed with acid and alkali is overcome, moreover, the color of the laser printing product is more abundant, and the patterns are more clear.

The invention relates to the technical field of high polymer materials, and particularly discloses a flame-retardant heat-conducting silica gel insulating coating and a preparation method thereof. The invention discloses a flame-retardant heat-conducting silica gel insulating coating. Comprising the following components: polydimethylsiloxane, aluminum hydroxide, modified nano aluminum oxide, a phosphorus-nitrogen flame retardant, silicon dioxide, methyltris (methylethylketoxime) silane, vinyltris (methylethylketoxime) silane, dibutyltin dilaurate, a diluent, amino propyl triethoxy silane, propyl trimethoxy silane and ethyl aminopropyl trimethoxy silane. And the polydimethylsiloxane is formed by compounding polydimethylsiloxane with the viscosity of 1,500 cp and polydimethylsiloxane with the viscosity of 20,000 cp. According to the invention, by finely blending the proportion of various functional components, especially the optimal combination of polydimethylsiloxane, modified nano aluminum oxide, the flame retardant and the filler, the flame retardance and thermal conductivity of the coating are effectively improved, and meanwhile, good insulativity and mechanical properties are ensured.

The preparation method comprises the following steps: S1, hydrophilic-hydrophobic bi-component modification reaction: dissolving a styrene-maleic anhydride copolymer, hydrophilic polyethylene glycol monomethyl ether and hydrophobic long-chain alkyl alcohol in butanone according to a ratio, adding a catalyst, stirring, reacting, filtering, washing, and drying to obtain the dispersing agent for the lithium battery diaphragm based on the modified benzyl resin micelle. Performing ester exchange reaction on anhydride bonds of the styrene-maleic anhydride copolymer and polyether hydroxyl and alkyl alcohol hydroxyl respectively to obtain a modified intermediate; s2, neutralization reaction: dropwise adding organic alkali into the modified intermediate, and adjusting the pH value to obtain a modified SMA solution containing carboxylate groups; s3, preparing nano-micelles: dropwise adding the modified SMA solution into deionized water, and stirring to enable the modified SMA solution to be self-assembled to form the nano-micelles, so as to obtain nano-micelle dispersion liquid; and S4, dispersing agent forming: stirring the nano-micelle dispersion liquid to remove butanone so as to obtain the water-based dispersing agent.

This invention discloses a production process for sulfur dioxide-resistant electroplated aluminum and the resulting electroplated aluminum, relating to the field of electroplated aluminum. The production process for sulfur dioxide-resistant electroplated aluminum includes: coating a release coating onto a base film layer to obtain a release layer; coating an imaging coating onto the release layer to obtain a color layer; molding and aluminum plating the color layer to obtain an aluminum-plated layer; and coating the aluminum-plated layer with an adhesive to obtain electroplated aluminum. The imaging coating comprises the following raw materials in parts by weight: 80-100 parts of modified monomeric acrylic polymer, 7-10 parts of isocyanate curing agent, 3-6 parts of highly branched semi-crosslinked polyurethane prepolymer, 0.8-1.5 parts of dispersant, 0.2-0.5 parts of defoamer, 35-50 parts of methyl ethyl ketone (MEK), and 35-50 parts of pentamidine ketone (PHK). The highly branched semi-crosslinked polyurethane prepolymer has a molecular weight of 110,000-120,000 and a softening point temperature of 220-240°C. This application provides electroplated aluminum resistant to sulfur dioxide corrosion.

The invention provides yellow glue resistant to corrosion of a plasticizer and a preparation method of the yellow glue. The yellow glue is prepared from a polyurethane prepolymer, a chloroprene rubber sheet, methyl methacrylate, benzoyl peroxide, an anti-aging agent, butanone, cyclohexane, dimethyl carbonate and tackifying resin. The polyurethane prepolymer is prepared from the following components in parts by weight: 10 to 14 parts of 1, 4-butanediol adipic acid polyester polyol, 4 to 8 parts of polycaprolactone polyol, 1 to 3 parts of diphenylmethane diisocyanate, 0.05 to 0.15 part of 1, 6-hexanediol, 1 to 2 parts of hydroxyethyl methacrylate, 0.01 to 0.03 part of organic bismuth catalyst and 75 to 80 parts of butanone. The polyurethane prepolymer with specific crystallization performance is synthesized through cooperation of polycaprolactone polyol and polyester polyol, and the yellow glue is endowed with excellent plasticizer corrosion resistance and low-temperature activation capacity. Active groups in the polyurethane prepolymer are subjected to graft copolymerization with the chloroprene rubber adhesive and MMA, and a plasticizer-resistant polyurethane chain segment is introduced into a molecular chain of the chloroprene rubber adhesive, so that a hard segment-soft segment alternating block structure is formed, and corrosion resistance and viscoelasticity are both considered.

The application discloses a kind of efficient natamycin purification methods, comprising the following steps: taking two kinds of dichloromethane, chloroform, acetone, butanone, methanol, ethanol, petroleum ether, n-hexane are mixed to obtain mixed solution, adjust the pH of mixed solution to 6.0-7.0, then natamycin crude product is added to mixed solution and stirred into slurry;Slurry is extracted to obtain that natamycin wet product, and the natamycin wet product after extraction is washed with organic solvent;Natamycin wet product after washing is dried, and natamycin purification product is obtained.Compared with prior art, the present application optimizes the existing natamycin purification process, simplifies the natamycin purification method, reduces the production cost, improves the production efficiency, the product purity can reach more than 98%, and the product yield can reach more than 95%.The application has the advantages of less equipment investment, easy operation, less environmental pollution, simple operation, and is suitable for product industrial production.

The invention discloses aquadag for an alkaline battery and application of the aquadag. The aquadag comprises the following raw materials in percentage by weight: 12-16% of graphite powder, 5-8% of conductive carbon black, 1-2% of graphene, 15-18% of epoxy resin, 30-50% of butanone and 10-20% of cyclohexanone. The preparation method of the aquadag comprises the following steps: (1) uniformly stirring butanone and cyclohexanone to obtain a composite solvent; (2) adding solid epoxy resin into the composite solvent, and stirring at 800-1000 rpm to completely dissolve the solid epoxy resin; (3) slowly adding graphite powder and conductive carbon black graphene into the composite solvent, and dispersing at a high speed of 1100-1200 rpm for 45-50 min to obtain a mixture; and (4) carrying out ball milling on the mixture, sieving with a 200-mesh sieve, and discharging to obtain the aquadag. The graphene is doped into the aquadag, so that the technical effect of improving the comprehensive performance of the battery is achieved.

The invention relates to an electrochemical selective oxidation method of butanone, which is carried out in an electrolysis system and specifically comprises the following steps: (1) an anode chamber of the electrolysis system comprises an anode electrolyte and an anode electrode, and the surface of the anode electrode comprises an anode catalyst; and (2) mixed gas of O2 and butanone is introduced into a cathode chamber of the electrolysis system, two-electron redox reaction is carried out on the surface of a cathode catalyst of a cathode electrode to reduce O2 into H2O2, the generated H2O2 and butanone react on the interface of the cathode catalyst, a target organic compound is selectively generated, and the cathode catalyst comprises a carbon-based material. The invention aims to solve the three core problems of poor selectivity, serious pollution and low safety in the traditional butanone oxidation process, and compared with the traditional strong oxidation process, the method adopts an electrochemical synthesis path, takes electrons as a cleaning reagent, realizes high-precision selective control on the butanone oxidation path, can directionally generate a high-value product, and has the advantages of high product yield and high product quality. And the problems of complex product and difficult separation in the traditional process are fundamentally avoided.

The present application relates to a kind of bio-based surface treatment agent and its preparation method, belong to the technical field of treating agent.The raw material of bio-based surface treatment agent provided by the present application includes polyol PE-6056, isocyanate XFLO100, catalyst, CHDI, anti-sedimentation auxiliary agent, solvent, the solvent includes butanone, tetrahydrofuran, acetone, dimethylformamide, cyclohexanone, the bio-based surface treatment agent prepared has good initial adhesion, peeling strength when using, hydrolysis resistance and ageing resistance, with good application prospect.

The invention discloses a synthesis method of a silicon-substituted benzo-bicyclo [3.1. 1] heptane compound, which comprises the following steps: under the action of a copper catalyst, alkali and a silicon reagent, putting o-alkynyl phenyl cyclobutanone in a solvent for reaction, and carrying out post-treatment to obtain the silicon-substituted benzo-bicyclo [3.1. 1] heptane compound, the silicon source is (dimethylphenylsilyl) boronic acid pinacol ester. The silicon-substituted benzo-bicyclo [3.1. 1] heptane compound is prepared by combining a cheap metal copper catalyst with a silicon reagent. The reaction system is good in selectivity and mild in condition, the highest yield can reach 68%, and the method has wide application prospects.

The invention provides a damp-heat aging resistant three-layer waterproof adhesive tape as well as a preparation method and application thereof, and belongs to the technical field of waterproof adhesive tapes. The waterproof screen cloth comprises a screen cloth layer and a waterproof layer which are bonded through a bonding adhesive, the waterproof layer is coated with the TPU hot melt adhesive layer; the laminating glue comprises the following components in parts by weight: 95-105 parts of PU glue, 4-6 parts of precipitated silica, 8-12 parts of an isocyanate curing agent and 60-70 parts of butanone; the TPU hot melt adhesive layer is prepared from the following components in parts by weight: 45 to 60 parts of polyester polyol, 10 to 20 parts of polyether polyol, 20 to 25 parts of diphenylmethane diisocyanate (MDI), 5 to 10 parts of chain extender and the like. The adhesive tape solves the problems that the existing adhesive tape is poor in damp-heat aging resistance and the adhesive strength is easy to decrease by improving the formula of the laminating adhesive of the mesh cloth layer and the waterproof layer and the formula of the TPU hot melt adhesive layer, and has excellent damp-heat aging resistance, stable waterproofness and lasting adhesive strength.

The invention discloses a method for purifying methyl isobutyrylacetate, which comprises the following steps of: introducing a concentrated material obtained at the front end into the middle part of a continuous rectifying tower T1 for rectifying to obtain light components at the top of the tower, and removing dichloromethane, methanol and 3-methyl-2-butanone; a tower kettle substrate of the continuous rectifying tower T1 enters the middle part of a continuous rectifying tower T2 to be rectified, and diethyl methyl ester with the purity of 90% is obtained at the tower top; a tower kettle substrate of the continuous rectifying tower T2 enters the middle part of a continuous rectifying tower T3 to be rectified, and an isobutyryl methyl acetate product is produced at the tower top; the method has the advantages that the methyl isobutyrylacetate is purified by adopting a continuous rectification method, and rectification parameters are optimized, so that the yield of the methyl isobutyrylacetate can reach 85% or above under the condition that the purity of the methyl isobutyrylacetate is not lower than 99%; and the continuous rectification is continuous feeding and continuous extraction, the retention time is short, and the energy consumption is low.

The application discloses a method for improving the separation yield of pseudo-isomethyl ionone, which comprises the following steps: condensation reaction of butanone and citral in a solvent under the action of an alkaline catalyst; after neutralization of the reaction solution, part of the solvent and unreacted raw materials are removed through a first desolventizing tower; the material in the first desolventizing tower is mixed with water and then enters a second desolventizing tower; and the liquid in the second desolventizing tower enters an oil-water separation tank to obtain a crude pseudo-isomethyl ionone product and waste brine. The method adopts double-tower continuous separation to remove the reaction solvent of pseudo-isomethyl ionone, and water is added between the two towers, so that water washing and salt removal are realized during the separation, and the separation yield of the crude product is greater than 99%. The method is simple in operation and is an economical separation method of pseudo-isomethyl ionone.

The application discloses a use method and application of a vegetable bud inhibition agent, and belongs to the technical field of plant body or local preservation and plant growth regulator. The application uses furan sulfide compounds as a bud inhibition agent to perform fumigation treatment on rhizome vegetables, so that the bud inhibition effect of the rhizome vegetables can be effectively delayed. The product has good bud inhibition effect, and the bud inhibition effect is comparable to that of 3-decene-2-butanone and menthol essential oil which are commercially used. The method has low bud inhibition cost, and can be used as a green alternative technology of traditional fumigation agents such as chloranil. The furan sulfide compounds as active ingredients are commonly used as food essence and spices, belong to food additives, and are widely applied in the food industry, are safe to use, simple to operate and low in cost.

The invention discloses a polysubstituted cyclopropyl carbonyl compound with calcium ion channel regulation activity as well as a pharmaceutical composition and application thereof, and belongs to the technical field of medicines. An alpha-chlorocyclobutanone compound is used as a raw material and reacts with aryl magnesium bromide with different substituent groups in an organic solvent, and the polysubstituted cyclopropyl carbonyl compound is obtained in one step. The polysubstituted cyclopropyl carbonyl compound is novel in structure, the preparation method has the advantages of being low in cost, simple and convenient to operate, mild in condition and the like, and the polysubstituted cyclopropyl carbonyl compound novel in structure can be rapidly obtained. The prepared cyclopropyl carbonyl compound has T-type calcium channel regulation activity and has an analgesic effect.

The application provides a black fungus provenance characteristic molecular marker and application thereof, and the molecular marker comprises the following: the molecular marker 2-acetyl furan, beta-pinene and 2-pinene of Shaanxi black fungus; the molecular marker 2-propanol and 2, 6-dimethyl pyrazine of Heilongjiang black fungus; the molecular marker pentanal and 2-butanone of Jilin black fungus; the molecular marker n-hexanal and acetic acid of Zhejiang black fungus; and the molecular marker 2-methyl propionaldehyde and hexanoic acid of Fujian black fungus. The molecular marker can be used for identifying the provenance of black fungus. The application first provides the provenance characteristic molecular marker of black fungus, the molecular marker can replace all chemical components of black fungus and serve as a detection basis of the provenance of black fungus; compared with existing black fungus physical and chemical indexes and artificial sensory recognition analysis, the provenance characteristic molecular marker of black fungus provided by the application improves the accuracy and recognition rate of detection, and provides a simple, rapid and effective scheme for provenance identification of black fungus.

The invention discloses a high-activity double-bond naphthalene ring type halogen-free flame-retardant epoxy resin solution and a preparation method thereof. The high-activity double-bond naphthalene ring type halogen-free flame-retardant epoxy resin solution is characterized in that high-activity double-bond naphthalene ring type halogen-free flame-retardant epoxy resin in the solution has a chemical structure fragment shown in (I); the preparation method comprises the following steps: generating naphthalene ring type halogen-free flame-retardant epoxy resin from 1, 4-naphthoquinone, novolac epoxy resin, DOPO and cyclohexanone under the action of an ethyl triphenyl phosphine acetate catalyst, then adding acrylic acid, reacting under the action of a catalyst trimethyl benzyl ammonium chloride and the like, and then adding butanone, thereby obtaining the high-activity double-bond naphthalene ring type halogen-free flame-retardant epoxy resin solution. Furthermore, the invention also discloses a resin composition for a copper-clad plate, which is prepared by mixing a high-activity double-bond naphthalene ring type halogen-free flame-retardant epoxy resin solution, hydrocarbon resin, special bismaleimide resin, spherical silica powder, an initiator and toluene. The antenna is good in performance, and can meet the requirements of high-frequency and high-speed 5G transmitting base stations, artificial intelligence carrier plates and the like. (I)

The invention relates to a 4-(methyl nitrosyl amino)-1-(3-pyridyl)-1-butanone (NNK) purity standard substance as well as a preparation method and application thereof. The 4-(methyl nitrosamino)-1-(3-pyridyl)-1-butanone (NNK) purity standard substance is white powder, has the melting point of 63-65 DEG C, the boiling point of 346 DEG C and the density of 1.2 g / cm < 3 >, is hermetically packaged with a brown bottle, and has the purity of 99.38%. The purity standard substance disclosed by the invention is high in purity, accurate and traceable in quantity value, good in uniformity and good in stability.

The invention discloses a synthesis method of limidoterol, and belongs to the technical field of medicine synthesis. The method comprises the following steps: coupling cyclobutanone oxime and a caffeic acid derivative under the catalysis of ferrous acetylacetonate, a chlorobenzene solvent and the protection of nitrogen to obtain a decarboxylated cyanogen alkylation intermediate; oxidizing the intermediate with m-chloroperoxybenzoic acid in dichloromethane in the presence of sodium carbonate to obtain a vicinal diol monoester intermediate; catalyzing by cobalt chloride in methanol, reducing by sodium borohydride, and protecting by Boc2O to obtain a cyclized precursor; cyclizing the precursor in tetrahydrofuran by using sodium hydride to obtain a cyclized intermediate; and performing deprotection to obtain the limiterol. According to the method, dangerous reagents and processes are not used, the safety is high, and no heavy metal residues exist; the cost is low, precious metals are not needed, the post-treatment operation is simple and convenient, a complex purification process is not needed, and the total yield reaches 21%; process conditions are mild, normal pressure and conventional heating modes are adopted, and industrial production is easy to realize.

The present application discloses a polyurethane resin and a manufacturing method thereof, which comprises the following steps: mixing a polyester polyol, a polyether polyol, a first chain extender, a diisocyanate and a mixed solvent, and performing a polymerization reaction to obtain a prepolymer. A second chain extender is added to the prepolymer, and a chain extension reaction is performed to obtain the polyurethane resin. The mixed solvent comprises diethylformamide and butanone, and the mass ratio of diethylformamide to butanone in the mixed solvent is 0.45 to 1.80. The total amount of the first chain extender and the second chain extender is 0.9 wt% to 2.5 wt% based on 100 wt% of the total weight of the polyurethane resin. The polyurethane resin has good processability, bending resistance and peel strength.

The invention discloses a boron nitride catalytic luminescent material and a preparation method and application thereof, and relates to the technical field of catalytic luminescent gas sensing, the preparation method of the boron nitride catalytic luminescent material comprises the following steps: carrying out vacuum calcination treatment on boron nitride to obtain the boron nitride catalytic luminescent material; wherein the temperature of the vacuum calcination treatment is 250-350 DEG C, and the time is 2-5 hours. According to the prepared boron nitride catalytic luminescent material, controllable nitrogen vacancy defects are introduced through vacuum calcination, the detection sensitivity and selectivity of the boron nitride catalytic luminescent material to 3-chloro-2-butanone are remarkably improved, the concentration of nitrogen vacancies in boron nitride can be accurately regulated and controlled by adjusting the time and temperature of vacuum calcination, and the detection sensitivity and selectivity of the boron nitride catalytic luminescent material to 3-chloro-2-butanone are improved. Therefore, the sensing performance is optimized, the process repeatability is good, and large-scale production is easy.

The present application relates to the technical field of high-frequency substrate materials, and provides bis(vinylbenzyl)fluorene and a preparation method therefor and the use thereof, and a bis(vinylbenzyl)fluorene hydrocarbon resin and a preparation method therefor and the use thereof. The bis(vinylbenzyl)fluorene hydrocarbon resin provided in the present application, which is prepared by using one of 9,9-bis(2-vinylbenzyl)-9H-fluorene and 9,9-bis(4-vinylbenzyl)-9H-fluorene or a mixture of same at any ratio as a raw material, has a very low dielectric constant and dielectric loss tangent. Moreover, the higher the content of 9,9-bis(2-vinylbenzyl)-9H-fluorene, the smaller the dielectric loss tangent of the bis(vinylbenzyl)fluorene hydrocarbon resin. Furthermore, 9,9-bis(2-vinylbenzyl)-9H-fluorene and 9,9-bis(4-vinylbenzyl)-9H-fluorene provided in the present application have high solubility in toluene and 2-butanone, and have good application prospects as main resins for high-frequency substrates or as cross-linking agents for alkenyl resin components.

The invention belongs to the technical field of organic synthesis, and provides a method for synchronously preparing 3-methyl-2-butanone and 3-pentanone, butanone, methanol, ion exchange resin and a catalyst are mixed for alcohol ketone condensation reaction, and 3-methyl-2-butanone and 3-pentanone are obtained at the same time. Methanol and butanone are used as raw materials and react under the action of ion exchange resin and an activated carbon supported metal catalyst. According to the method, directional control of the molar ratio of 3-methyl-2-butanone to 3-pentanone is realized by accurately regulating and controlling reaction conditions, and generation of other by-products in the reaction process is relatively low. Specifically, when anion exchange resin is added into reactants, alpha-H at the edge of butanone is strong in acidity and small in steric hindrance, so that 3-pentanone is a main product (selectivity is greater than or equal to 75%); when cation exchange resin is added into reactants, alpha-H in butanone is good in stability, and 3-methyl-2-butanone is a main product (selectivity is greater than or equal to 70%).

A current collector protective glue includes a solvent and an adhesive. The solvent is selected from one or more of water, ethanol, NMP, acetone, and butanone. The adhesive is selected from one or more of cellulose, polyacrylic acid, styrene-butadiene rubber, styrene butadiene rubber, and nitrile rubber.

The application discloses a kind of halogen-free high-frequency copper-clad plate and its manufacturing method, belong to copper-clad plate preparation technical field, manufacturing method is as follows: fluorine-containing mercaptan grafting polybutadiene, styrene-butadiene-styrene copolymer, dicyclopentadiene phenol epoxy resin, toluene, butanone, propylene glycol monomethyl ether are added into mixing machine, after stirring and mixing, initiator, active ester curing agent, diamond-based flame-retardant filler are added, stirring and mixing 2-4h, obtain resin glue liquid;Glass cloth is placed in resin glue liquid and immersed after taking out, baking, obtain prepreg;Prepreg is laminated, the copper-clad plate obtained by the application has lower dielectric constant, better flame-retardant property, higher heat dissipation performance, lower water absorption and good mechanical processing, etc.Advantages, in the field of communication, vehicle-mounted millimeter wave radar, internet of things, automobile electronics and other fields of high multilayer high-frequency circuit board have broad application prospect.

The invention discloses a deketoxime type matte organosilicon sealant and a preparation method thereof, and relates to the technical field of sealants. The organic silicon sealant is prepared from the following raw materials: alpha, omega-dihydroxy polydimethylsiloxane, simethicone, fumed silica, modified nano calcium carbonate, barium sulfate, a composite cross-linking agent, dibutyltin dilaurate, heptanoic acid, a silane coupling agent mixed solution, diphenyldimethoxysilane, an antioxidant and a defoaming agent. The composite cross-linking agent comprises the following raw materials: methyltris (methylethylketoxime) silane, methyltris (methyl isobutyl ketoxime) silane, deionized water and acetic acid. The preparation method of the organic silicon sealant comprises the following steps: pre-preparing the functional components, dispersing the basic filler, adding the cross-linking agent and the auxiliary agent, and preparing the organic silicon sealant. The organosilicon sealant prepared by the invention has a stable matte effect and excellent mechanical properties and storage stability.

The application relates to a synthesis method of 2-hydroxy-2-methylcyclopentanone compounds and belongs to the technical field of organic synthesis. The 2-hydroxy-2-methylcyclopentanone compounds are prepared from cyclobutanone compounds through protection of carbonyl groups, deprotection and rearrangement reaction; the application does not need to use expensive metal catalysts, has mild reaction conditions, does not need high-pressure equipment, is high in safety and easy to be industrialized, is high in atomic economy, is simple in operation, avoids use of highly toxic or high-pollution reagents, and is low in mercury salt consumption.

The utility model belongs to the technical field of separation, and particularly relates to an ethyl acetate and butanone separation device, which comprises a butanone separation tower, an ethanol separation tower and an ethyl acetate separation tower which are connected in sequence, in the utility model, the tower top produced liquid of the ethyl acetate separation tower returns to the butanone separation tower, so that the purity of the product can be further improved; the gas phase of the butanone separating tower is used as a heat source of a reboiler at the bottom of the ethyl acetate separating tower, the gas phase at the top of the ethyl acetate separating tower is used as a heat source of a reboiler at the bottom of the ethanol separating tower, heat coupling can be realized between the rectifying towers with different operating pressures, the energy consumption in the rectifying and separating process is further reduced, and the method has higher operability.

The invention provides mesophase carbon microsphere-silicon carbon composite slurry and a preparation method thereof, a negative electrode plate, a lithium ion battery and electric equipment, and relates to the field of lithium ion batteries. The mesocarbon microbead-silicon carbon composite slurry comprises a first component and a second component; the first component comprises the following raw materials in percentage by mass: 10%-30% of silicon carbon powder, 45%-80% of mesocarbon microbeads, 0.5%-2% of conductive powder, 5%-20% of conductive paste and 0.5%-5% of hydrogenated butadiene-acrylonitrile rubber; the second component comprises ethyl acetate and butanone; the mass ratio of the first component to the second component is 1: (1-5). According to the mesophase carbon microsphere-silicon carbon composite slurry, the difficulty in preparing mesophase carbon microspheres and a silicon carbon material by a water-based sizing material is solved, the coating integrity and yield are improved, and meanwhile, the conductive powder and the conductive slurry are mixed in the slurry, so that the ionic conductivity of a mesophase carbon microsphere-silicon carbon composite negative plate is improved, and the polarization of a lithium battery is reduced.

The application belongs to the technical field of release film, and specifically provides a low-temperature curing and high-adhesion PET release film for electronic products and a preparation method thereof, S1: gasoline, butanone, isopropyl alcohol and cyclohexanone are mixed as a solvent, and a silicone release agent, an anchoring agent, a crosslinking agent, a heavy release agent and a catalyst are added into the mixed solvent; after the mixture is obtained by stirring, filtration is performed through a filter core, and the mixture needs to be used within 3 hours; S2: a film is selected as a base material, and the base material film is subjected to corona treatment; S3: a micro-concave coating technology is adopted; S4: the temperature of an oven in the oven is sequentially set as 80-90 DEG C, 107-113 DEG C, 107-128 DEG C, 107-113 DEG C and 80-90 DEG C; the total air volume in the oven is 28000 m 3 / h; and S5: receiving and winding the material. The above can be cured at a lower temperature, while ensuring high requirements for the appearance of the release film.