115 results about "Butyl acetate" patented technology

The invention belongs to the field of preparation of sedation maintaining agents, and particularly relates to a sedation maintaining agent administrated through oral mucosa and a preparation method of the sedation maintaining agent. Bamboo leaf polysaccharide and pigskin collagen peptide are heated and mixed with chlorogenic acid and butyl acetate under the catalytic action of lanthanum nitrate, and the obtained moisturizing adhesive has biocompatibility, can be stably adhered to oral mucosa and can promote salivary secretion of children; nanoparticles obtained through freeze spray drying are uniformly dispersed in a copolymer solution containing sodium salicylate and polyacrylate, and the obtained nervous system regulator can balance excitability of sympathetic nerves and parasympathetic nerves of children; the emotion relieving composition contains modified felwort powder obtained through esterification reaction, the modified felwort powder is mixed with a moisturizing adhesive and a nervous system regulator, and the prepared sedation maintaining medicament administrated through the oral mucosa protects oral health of children in the oral operation anesthesia process, is free of irritation, improves anxiety emotion and does not affect postoperative awakening.

The invention provides silicon nitride tape casting slurry and a preparation method thereof, a silicon nitride ceramic chip and a copper-clad ceramic substrate, and the silicon nitride tape casting slurry comprises the following raw materials in parts by mass: 40-50 parts of silicon nitride powder; 1-5 parts of a sintering aid; 5 to 15 parts of a binder; 30 to 40 parts of a solvent; 0.1 part to 0.5 part of an organic silicon wetting dispersant; 5 to 15 parts of a plasticizer; wherein the solvent comprises ethylene glycol and butyl acetate in a mass ratio of (3-5): 1. According to the silicon nitride tape-casting slurry provided by the invention, the specific solvent and the organic silicon wetting dispersant are adopted, and other components are reasonably matched, so that the dispersion uniformity and sedimentation resistance of all the components in the silicon nitride tape-casting slurry are ensured, and toxic substances cannot be volatilized in the use process.

This invention belongs to the field of coating technology, specifically relating to a moisture-proof and stain-resistant acrylic resin coating and its preparation process. The moisture-proof and stain-resistant acrylic resin coating comprises 100 parts by weight of a main agent and 20-25 parts by weight of a curing agent. The main agent comprises the following raw materials in weight percentages: dispersant 1.5-3%, butyl acetate 10-15%, xylene 5-10%, filler 10-20%, titanium dioxide 10-20%, carbon black 1-5%, cellulose acetate butyrate 1-2%, anti-settling agent 1-1.5%, leveling agent 0.5-1%, defoamer 0.1-0.5%, with the balance being acrylic resin. The moisture-proof and stain-resistant acrylic resin coating of this invention exhibits excellent comprehensive performance, high filling and sealing properties, strong adhesion to alloys, and good stain resistance, water resistance, and gloss retention.

The invention discloses a self-cleaning daytime radiation cooling coating and a preparation method thereof, and relates to the field of building exterior wall energy-saving coatings. The preparation method comprises the following steps: uniformly dispersing a first filler and a second filler in a butyl acetate solvent, sequentially adding a silane coupling agent and a third filler, uniformly dispersing, finally adding fluorocarbon resin and a curing system thereof, and dihydroxyl-terminated polydimethylsiloxane and a curing system thereof, and uniformly dispersing to obtain the self-cleaning daytime radiation cooling coating. The self-cleaning daytime radiation cooling coating prepared by the invention is high in hardness and strong in adhesive force, and also has a super-hydrophobic self-cleaning function and an optical property of realizing daytime radiation cooling. The coating is simple in preparation process, low in equipment requirement and suitable for large-scale production.

The invention discloses a waste offset printing ink recovery treatment method and application, and belongs to the technical field of printing ink, the recovery treatment method comprises the following steps: mixing and stirring waste offset printing ink and n-hexane through pretreatment, and removing solid-phase slag through centrifugal separation to obtain a liquid phase; concentrating the liquid phase, recovering the solvent and reserving concentrated slurry; secondly, directionally dissolving the low-molecular resin and the high-molecular resin by butyl acetate and ethylene glycol diacetate respectively through two-stage counter-current extraction and centrifugal separation to obtain a low-molecular resin solution, a high-molecular resin solution and pure pigment slurry; mixing the two resin solutions, recovering the solvent through multi-tower rectification, and refining through short-path molecular distillation to obtain regenerated resin; and finally, performing ultrasonic purification, modification and spray drying on the pigment slurry to obtain the regenerated pigment. According to the waste offset printing ink recycling treatment method and application, an efficient and reliable solution is provided for recycling of waste offset printing ink.

The invention belongs to the technical field of power transmission, and provides an anti-icing aluminum cable steel reinforced and a preparation method thereof.The preparation method comprises the steps that an ethylene glycol solution and mesoporous silica are mixed, and modified silica is obtained; mixing fluorinated polyurethane, butyl acetate and the modified silicon dioxide solution to obtain a composite coating; and coating the composite coating on the surface of the steel-cored aluminum stranded wire, and curing to obtain the anti-icing steel-cored aluminum stranded wire. After coating, the resin is cured to form a continuous three-dimensional network, and the modified silicon dioxide is fixed on the surface of the coating, so that a micro-nano coarse structure is constructed, and a rapid water guide effect is realized; fluorocarbon chains in the fluorine-containing coupling agent form a low-surface-energy molecular layer, so that the purpose of hydrophobic chemical modification is achieved; ethylene glycol in silicon dioxide can be actively released from the pore channels, the freezing point is reduced, and the long-acting anti-icing target is achieved. The anti-icing effect of the steel-cored aluminum strand is achieved through a triple mechanism of micro-nano structure water diversion, low-surface-energy molecular layer hydrophobicity and modified silicon dioxide freezing point reduction.

The invention provides a method for preparing oxacillin sodium by using a microchannel reactor. The oxacillin sodium is prepared by adopting micro-channel reactors, firstly, a 6-APA dissolved clear solution, liquid-state oxacillin acyl chloride, a sodium hydroxide solution and a sulfuric acid solution are prepared in advance, the 6-APA dissolved clear solution and molten-state oxacillin acyl chloride are oppositely added in the first micro-channel reactor, fine liquid drops are formed through atomization and collide with each other to be fully reacted, and then the oxacillin sodium is prepared. The collided and mixed liquid flows through a second micro-channel reactor and then enters a four-opening bottle, butyl acetate is added after the liquid reacts in the four-opening bottle for a period of time, acidification and phase splitting are conducted, a sodium acetate solution is fed into the four-opening bottle, crystallization, filtering, washing and drying are conducted, and a finished oxacillin sodium product is obtained. According to the method for preparing the oxacillin sodium by using the microchannel reactor, the molar yield of the oxacillin sodium prepared by using the method is relatively high, the time of an acylation reaction stage is greatly shortened, and the total impurities of the oxacillin sodium are effectively reduced.

The application discloses a modified organosilicon defoaming agent and a preparation method thereof, and relates to the technical field of defoaming. The modified organosilicon defoaming agent and the preparation method thereof comprise the following components by mass ratio: 89.57 g of liquid mercaptan silicone oil, 20.30 g of triethylamine, 89.57 g of dimethyl sulfoxide, 3.45 g of a methyl-terminated allyl polyoxyethylene ether, 13.80 g of a methyl-terminated allyl polyoxypropylene ether, 0.34 g of azobisdimethyl isobutyronitrile, 32.25 g of butyl acetate, 19.29 g of 2-bromoisobutyrate methyl ester, a magnesium sulfate and sodium chloride aqueous solution, a coupling agent and a thickening agent. The modified organosilicon defoaming agent has good defoaming performance and bubble inhibiting performance, has strong compatibility with different emulsions, and has defoaming performance and bubble inhibiting performance equivalent to polyether defoaming agents in a water-based resin system.

The application discloses a kind of anti-icing super-hydrophobic material preparation methods, with aluminum plate as substrate;First, blast furnace slag powder and steel slag powder are treated with hydrophobic modification, blast furnace slag powder and steel slag powder are mixed according to certain mass ratio, mixed powder and organic solvent A absolute ethyl alcohol are stirred in round bottom flask, after solution is fully mixed, organic solvent B seventeen fluorine decyl triethoxysilane is added and transferred to water bath heating tank water bath heating and stirring;Modified blast furnace slag-steel slag powder, organic solvent C butyl acetate are uniformly mixed according to 3:8 ratio, after reaction ten minutes, two-component polyurea is added drop by drop, and super-hydrophobic coating is obtained by drying.The present application uses blast furnace slag waste as main raw material, adds a small amount of steel slag to improve the wear resistance of coating, uses two-component polyurea as adhesive, uses modified-spraying two-step method, without large instrument equipment, and super-hydrophobic coating with excellent wear resistance is prepared simply and quickly.

The invention discloses a complex microbial inoculant for increasing the content of aroma-producing substances of barley bran as well as a preparation method and application of the complex microbial inoculant. The complex microbial inoculant is formed by compounding plant lactobacillus dy-1 and Enderbernella ferruginea Pro208 according to the viable count ratio of 5: 2. The preservation number of the plant lactobacillus dy-1 is CGMCC (China General Microbiological Culture Collection Center) No.6016; according to the present invention, the Feibian Escherichia coli (Pro208) has a preservation number of GDMCC 64830; the complex microbial inoculant can grow in a barley bran system, and the aroma and volatile substance composition of barley bran and the content of a key aroma-producing substance butyl acetate are remarkably improved; the complex microbial inoculant can utilize pyruvate dehydrogenase and esterifying enzyme to convert glucose into butyl acetate; in addition, the obtained complex microbial inoculant can be used for preparing the fermented barley bran beverage and remarkably improving the aroma of the fermented barley bran beverage, and has wide application prospects in the food industry.

The invention discloses a ceramic membrane machine wet process casting formula and a preparation method thereof, the ceramic membrane machine wet process casting formula comprises a ceramic membrane main body, the ceramic membrane main body comprises casting NPO, X7R and Z5U ceramic membrane belts, the ceramic membrane belts are arranged on a PET film, and the PET film is used for bearing the ceramic membrane belts. The PET film is a plastic adhesive tape. The casting ceramic membrane tape is prepared by mixing and grinding the following components in proportion: 3kg of ceramic first-class and second-class ceramic powder, 1.2 kg of butyl acetate, 0.6 kg of absolute ethyl alcohol, 6g of dispersing agent, 6g of defoaming agent and 1.265 kg of adhesive. According to the casting formula disclosed by the invention, the ultrathin ceramic membrane tape is formed; and the thickness is uniform and consistent, the ceramic membrane belt has no hole defect, the product reliability is improved, and the production efficiency is improved. In addition, the industrialization process of ultra-thin high-low frequency ceramic capacitor products can be greatly promoted, and meanwhile the products produced through the method are stable in performance and high in reliability. And in the aspect of productivity, continuous operation can be achieved, the automation degree is high, the production efficiency is high, and the application range is wider.

The invention provides a laver seasoning base material as well as a preparation method and application thereof. In the preparation method, pectinase, cellulase and amylase are used for extraction in enzyme-assisted extraction, and protease and flavourzyme are used for conversion in flavor conversion. The laver seasoning base material prepared by the preparation method contains GGGTIGHPD, IGY, SFY, FYA, IAGF and IGGIF which are formed by enzymatic conversion and have small molecule peptides capable of enhancing flavor and improving oxidation resistance; the laver beverage is rich in laver oligosaccharide, algal peptide, flavor amino acid and taurine; the invention relates to the technical field of chemical engineering, in particular to a limonene and thiophene-3-ketone compound which is rich in limonene, thiophene-3-ketone, ethyl acetate, 2-hexenol, butyl acetate, dihydro-2-methyl-3-(2H)-furanone, 2, 6-dimethylpyrazine, 2-pentylfuran, 2-hexenal, benzaldehyde, 2, 3-octanedione and beta-ionone. According to the preparation method disclosed by the invention, full-effect utilization of nutrition and flavor components of the laver can be realized, and the prepared laver seasoning base material is delicious in taste, rich in nutrition, strong in flavor and clear in solution and can be quickly dissolved in water; the product can be used as various instant soup bases, cooking seasonings and even making base materials of various foods, and has good market application prospects.

An object is to provide an inkjet ink composition exhibiting excellent discharge stability and drying property even when the inkjet ink composition is printed on a target base printing material whose printing face is constituted by resin, etc., while also proving printable, on a target printed matter being a resin base material that has already been partially printed, under conditions that prevent the target base printing material or any printed area already formed thereon from being affected by heat, as well as to provide a method for printing the inkjet ink composition. As a means for achieving the object, a non-aqueous inkjet ink composition for printing on a resin base material is provided, which contains: 2.5 to 10.0% by mass of carbon black; 80.0% by mass or more of organic solvent(s) whose evaporation rate is 20 to 80 based on the evaporation rate of butyl acetate being 100; and a resin; and which has a property to dry under irradiation of infrared light.

The application discloses a PBT car lamp electroplating primer with anti-color fading performance and a preparation method and application thereof. The components of the primer include 20-30 parts of a cyclic structure polyol modified difunctional polyurethane acrylate resin, 8-15 parts of a ten-functional polyurethane acrylate resin, 5-10 parts of a phenolic aldehyde epoxy acrylate resin, 2-6 parts of a difunctional polycarbonate polyurethane acrylate resin, 3-6 parts of pentaerythritol triacrylate, 5-10 parts of trimethylolpropane triacrylate, 2-3 parts of 184, 0.5-1 part of 819, 0.5-1 part of TPO, 0.1-0.2 part of an organic silicon leveling agent and 23-35 parts of an organic solvent. During preparation, the resin components are first mixed and dispersed at high speed to obtain a mixed resin, then 184, 819 and TPO and the leveling agent are dissolved in part of butyl acetate and stirred, ethyl acetate, ethylene glycol monobutyl ether and the remaining butyl acetate are added, and after dispersion, the primer is filtered to obtain the primer. The primer solves the problems of deep curing, adhesion and leveling of the PBT car lamp primer by accurately matching 184, 819 and TPO, selecting a cyclic structure modified polyurethane acrylate resin and gradient volatile solvents.

The application belongs to the field of paint, and particularly discloses PU white primer, a preparation method and application thereof. The PU white primer comprises A component, B component and C component. The A component comprises hydroxyl acrylic acid resin, castor oil, dispersing agent, defoaming agent, cyclohexanone, silicon dioxide, titanium white powder, talcum powder, calcium carbonate, butyl acetate, leveling agent, organic tin and propylene glycol methyl ether acetate. The B component comprises butyl acetate, HDI trimer and isocyanate prepolymer. The C component comprises dimethylbenzene, butyl acetate, propylene glycol methyl ether acetate and dimethyl carbonate. The PU white primer has the advantages of water resistance, high temperature resistance, adhesion, adhesion, hiding power and strong flexibility, and has superior comprehensive performance, is green and safe, low in cost, and is very suitable for being used as wood and stone surface primer in kitchens, bathrooms and the like.

The application discloses a method for preparing a super-hydrophilic porous membrane by grafting SiO2 on a polyurethane fiber membrane, and comprises the following steps: preparing a N,N-dimethylformamide / butyl acetate DMF / BuAc solution of polyurethane PU to obtain PU spinning solution; the PU spinning solution is used to prepare a micron porous membrane through an electrostatic spinning device; the porous membrane is placed in a plasma treatment device, a radio frequency source is turned on, and radio frequency power and time are set; a higher chemical activity plasma is used to activate the surface of the porous membrane fiber to form grafted active groups; the surface-activated porous membrane is placed in a mixed solution of ethanol and amino silane for ultrasonic treatment; the porous membrane treated by the amino silane is placed in a mixed solution of ethanol, water and tetraethyl orthosilicate for ultrasonic treatment to obtain a super-hydrophilic porous membrane. The super-hydrophilic porous membrane prepared by the method has excellent comprehensive properties such as moisture absorption, quick drying, oil-repellence under water and oil stain resistance.

The application provides a self-repairing scratch-resistant coating, a PVC decorative film and a preparation method thereof, and relates to the technical field of decorative films.The self-repairing scratch-resistant coating provided by the application comprises flexible polyurethane acrylate, modified epoxy acrylate, active diluent, photoinitiator, silicone microcapsule repair agent, dynamic crosslinking agent, leveling agent, anti-fingerprint agent and butyl acetate; through the dual self-repairing mechanism of chemical repair of dynamic chemical bonds and physical repair of microcapsules, efficient repair of the coating can be realized; meanwhile, the flexible polyurethane acrylate can improve the toughness of the coating, avoid secondary damage after repair, and achieve the purpose of synergistic scratch resistance and self-repairing.The PVC decorative film provided by the application adopts the self-repairing scratch-resistant coating, so that the surface hardness is improved, the scratch resistance is enhanced, and the scratch self-repairing technology is added, so that the scratch is reversible and the service life is prolonged.

The invention provides a preparation method of a dispersing agent for ink jet. The preparation method comprises the following steps: (1) preparing polyhydroxy acrylate; (2) preparing macromolecular polyurethane; and (3) mixing 20-25 parts by mass of polymer polyurethane, 10-15 parts by mass of polyhydroxy acrylate, 0.1-0.3 part by mass of dibutyltin dilaurate and 80-90 parts by mass of butyl acetate, stirring for 4-8 hours at the temperature of 90-110 DEG C, under the pressure of 0.1-0.5 MPa and under the protection of introduced nitrogen, cooling to 64-67 DEG C, adding 5-9 parts by mass of the modified nano material, continuously stirring and dissolving for 40-50 minutes, cooling and filtering to obtain the dispersing agent for ink jet. The groups in the dispersant can form an effective steric hindrance barrier, so that the environmental stability of the color paste can be improved. The dispersing agent disclosed by the invention can be used for preparing weak-solvent ink-jet color paste and is good in dispersity and stability.

The invention discloses a method for rapidly preparing 3-(3-pyridine) acrylic acid by adopting a kettle type one-pot method, which comprises the following steps: dropwise adding tert-butyl acetate into a tetrahydrofuran solution of lithium diisopropylamide, then dropwise adding 3-pyridylaldehyde, reacting I, quenching and separating a saturated salt solution, mixing an organic phase and an aqueous alkali solution, stirring, reacting II, filtering, washing and drying to obtain 3-(3-pyridine) acrylic acid. And adding sulfuric acid to neutralize and separate, mixing the organic phase with a sulfuric acid aqueous solution, reacting III, adding sodium hydroxide to neutralize, separating and filtering to obtain the 3-(3-pyridine) acrylic acid. Through optimization of a synthetic route, the 3-(3-pyridine) acrylic acid drug intermediate is synthesized by adopting an efficient, clean and safe three-step kettle type one-pot process without using a pyridine solvent, sodium hydride and other dangerous reagents.

The invention relates to a polyurethane adhesive and a preparation method and application thereof. The adhesive is composed of the following raw materials in percentage by weight: 35-65wt% of a composite polyether polyol, 14-25wt% of a polyisocyanate, 1-5wt% of a hydrophilic chain extender, 1-5wt% of a small molecule chain extender, 0.05-3wt% of a catalyst, 0.5-4wt% of a neutralizer, 1-7wt% of a capping agent, 1-8wt% of a silane coupling agent, 2-12wt% of mesoporous microspheres, 2-5% of isopropyl alcohol, 2-5wt% of butyl acetate and 0.2-4wt% of a defoamer, with the balance being water. The composite polyether polyol is a composition of a Mannich polyether polyol and a soft foam polyether polyol in a mass ratio of 1:(0.5-1). The adhesive can replace hot melt adhesive powder in clothing heat transfer printing, can improve the softness, air permeability, friction resistance and soaping color fastness of fabric heat transfer printing, and can significantly reduce the film-forming and curing temperature of the adhesive.

The invention provides an anti-icing nano modification material and application thereof to an anti-icing wire, and belongs to the technical field of preparation of anti-icing wires. The invention relates to a preparation method of an anti-icing nano modification material, which comprises the following steps: respectively preparing super-hydrophobic nano SiO2 powder and super-hydrophobic porous diatomite powder, mixing the super-hydrophobic nano SiO2 powder and the super-hydrophobic porous diatomite powder in absolute ethyl alcohol, washing, and drying to obtain nano SiO2 / diatomite composite super-hydrophobic powder; carrying out mechanical blending on the nano SiO2 / diatomite composite super-hydrophobic powder and a nano whisker filler with a high length-diameter ratio to obtain a composite super-hydrophobic blend; and mixing the composite super-hydrophobic blending material with perfluorinated modified polyurethane resin and butyl acetate, and uniformly stirring to obtain the anti-icing nano modification material. The anti-icing nano modification material provided by the invention has excellent anti-icing performance, excellent wear resistance and long-term durability, and is particularly suitable for preparing anti-icing wires.

The present invention discloses an organic carrier for the front silver paste of a crystalline silicon solar cell and a preparation method thereof, belonging to the technical field of solar cells. The organic carrier is composed of the following components in weight ratio: 6%-9% of resin, 87-92% of organic solvent, 1-3% of thixotropic agent, 0.1-1% of leveling agent, and 0.3%-1% of adhesion promoter; the resin is composed of resin A and resin B, and the resin A is at least one of melamine formaldehyde resin, nitrocellulose, urea formaldehyde resin, and nitrogen-containing phenolic resin, and the resin B is at least one of acrylic resin, ethyl cellulose, hydroxypropyl cellulose, butyl acetate cellulose, and PVB resin. The organic carrier of the present invention is used to prepare the front silver paste of a crystalline silicon solar cell, and the obtained front silver paste has excellent printing performance, the grid line is linear and full, and the aspect ratio is greater than 0.55.

The invention discloses a protective coating for the surface of a stainless steel structure and a preparation method of the protective coating, and relates to the technical field of coatings. The protective coating comprises a bottom layer, a surface layer and a porous ceramic particle layer arranged between the bottom layer and the surface layer. Wherein the bottom layer is prepared from a bottom layer coating, and the bottom layer coating is prepared from the following raw materials: epoxy resin E-51, butyl glycidyl ether, benzyl glycidyl ether, butyl acetate, a eutectic solvent and a curing agent dispersion liquid; the surface layer is prepared from a surface layer coating, and the surface layer coating is prepared from the following raw materials: butyl acetate, xylene, epoxy resin E-51, a dispersing agent, phenyl organic silicon resin dispersion liquid, a silane coupling agent KH-560, a eutectic solvent, micron silicon carbide, porous ceramic particles, modified composite particles, fumed silica and curing agent dispersion liquid. Due to the introduction of the eutectic solvent, the porous ceramic particles, the modified composite particles and other components, the adhesive force, the water resistance, the aging resistance and the durability are effectively improved.

The application provides a UV coating and a preparation method and application thereof.The UV coating of the application is prepared from raw materials including ultraviolet light curing resin, active monomer, thermoplastic acrylic resin, photoinitiator, adhesion promoter, base material wetting agent, ethyl acetate, butyl acetate, fumed silica, polyamide wax anti-settling slurry, pigment and flatting powder.The UV coating of the application reduces the influence of pigment light absorption on UV curing by increasing UV light intensity, and realizes appropriate color addition of the coating.The application increases the color addition ratio by increasing light intensity, and the color addition and hiding property are superior to those of the prior art.The application also provides a preparation method and application of the UV coating.

The embodiment of the invention provides a dual-size nanoparticle / polymer composite wear-resistant super-hydrophobic anti-icing coating and a preparation method thereof. The two-component fluorocarbon resin FEVE can be used as an adhesive to enhance the fastness and wear resistance of the coating. And the coating has certain water pressure resistance due to the adoption of the elastomer organic silicon resin SI. FEVE and SI are dissolved in a butyl acetate solution, double-size hydrophobic silicon dioxide nanoparticles are used as a nanostructure unit to provide a multi-stage coarse structure, and the ultra-low surface energy characteristic of 1H, 1H, 2H, 2H-perfluorodecyl triethoxysilane PFDTES is combined, so that the surface of the coating has excellent super-hydrophobicity. The FEVE / SI / SiO2 / PFDTES super-hydrophobic anti-icing coating with mechanical wear resistance is prepared by spraying a blending solution of silicon dioxide nanoparticles, a low-surface-energy substance fluorocarbon resin / organic silicon resin and PFDTES. The coating prepared by the invention has excellent super-hydrophobic anti-icing performance, and also has weather resistance, wear resistance and chemical stability resistance.

The invention belongs to the field of paint, and particularly relates to PU electrostatic spraying high-wear-resistance white matt finish paint and a preparation method thereof.The PU electrostatic spraying high-wear-resistance white matt finish paint is prepared from a component A, a component B and a component C. The component A is prepared from odorless matting resin, a wetting agent, a defoaming agent, matting powder, superfine ceramic powder, an organic silicon flatting agent, an anti-settling agent, conductive titanium dioxide slurry and xylene; the component B comprises a bright tripolymer, a matte tripolymer, an HDI (hexamethylene diisocyanate) tripolymer and butyl acetate; the component C comprises trimethylbenzene, cyclohexanone, a DBE high-boiling-point solvent, butyl acetate and an alcoholic solution of an amine salt compound; the conductive titanium dioxide slurry comprises odor-free matting resin, conductive titanium dioxide, a wetting agent and xylene. By means of the superfine ceramic powder, excellent hardness, wear resistance and certain whiteness can be provided for the coating, and the chemical stability of the coating is improved. The conductive titanium dioxide slurry can achieve the electrostatic surrounding effect, and multiple surfaces of a workpiece can be evenly oiled at the same time during electrostatic spraying.

The invention provides a special PU (polyurethane) real wood paint for automotive interiors and a preparation method thereof, and belongs to the technical field of automotive interiors, the special PU real wood paint comprises a main agent, a curing agent and a diluent; the main agent is prepared from the following components in percentage by weight: 15 to 30 percent of acrylic polyol resin, 10 to 20 percent of low-hydroxyl acrylic resin, 0.5 to 1 percent of macromolecular dispersing agent, 0.1 to 0.3 percent of polyacrylate defoaming agent, 1 to 2 percent of polyethylene wax powder, 4.5 to 5.5 percent of butyl acetate, 4 to 7 percent of matt powder, 0.3 to 0.5 percent of polyether modified polymethylsiloxane flatting agent, 0.2 to 0.4 percent of drier, 1 to 2 percent of ultraviolet light absorber, 15 to 20 percent of cellulose acetate butyrate solution and the balance of ethyl acetate; the sum of the mass percentages of all the components in the main agent is 100%. The invention provides special PU (polyurethane) real wood paint for automotive trim and a preparation method of the special PU real wood paint. The purpose of improving weather resistance, touch feeling and durability of automotive trim paint is achieved.

The present invention addresses the problem of providing a method for decomposing crosslinked rubber with which it is possible to obtain diene-based monomers at a high yield. The solution is a method for decomposing crosslinked rubber characterized by comprising: a first decomposition step in which crosslinked rubber containing diene rubber is decomposed in a solvent; and a second decomposition step in which the decomposition product obtained in the first decomposition step is thermally decomposed at 600-950°C in an inert gas atmosphere and in the absence of a catalyst. The solvent in the first decomposition step is preferably at least one selected from the group consisting of toluene, xylene, cyclohexane, and butyl acetate.

The invention discloses a manufacturing method of heat-insulating glass, which comprises the following steps of: coating a first coating containing polyurethane coating liquid and butyl acetate on one side of a glass layer, and curing the first coating to form a scratch-resistant layer so as to play a role in preventing the glass layer from being scratched; the other surface of the glass layer is coated with a second coating containing a hardening coating, an ultraviolet light absorber and an ultraviolet reflecting agent, and the second coating is cured to form an ultraviolet-proof layer so as to play a role in preventing ultraviolet rays; the metal sputtering layer is formed on the anti-ultraviolet layer by ion sputtering, so that the surface of the metal sputtering layer can reflect strong light, and the heat insulation effect is achieved; and a stripping layer is formed on the metal sputtering layer, so that a protection effect is achieved, and the stripping layer is removed during use.

The invention discloses an inorganic-organic hybrid near-infrared black high-reflection coating and a preparation method thereof. The preparation method comprises the following steps: preparing a ZnS < 0.35 > Se < 0.65 > / Cu: In red high-reflection pigment, a BiVO4 (at) ZnO yellow high-reflection pigment, a hollow glass bead (at) Cr2O3 green high-reflection pigment, a Sr < 1-x > La < x > Cu < 1-y > Li < y > Si < 4 > O < 10 > blue high-reflection pigment and a black high-reflection pigment slurry for compounding; the preparation method comprises the following steps: mixing NL387-6-70 polyester resin and PVR-102 polyester resin according to a ratio, mechanically stirring for 10-12 minutes, uniformly mixing, adding butyl acetate, black high-reflectivity pigment slurry, a dispersing agent, a defoaming agent and a flatting agent, continuously mechanically stirring for 1-1.5 hours, sanding for 2-2.5 hours by adopting a sand mill to obtain the organic-inorganic hybrid black high-reflectivity coating, and directly spraying the organic-inorganic hybrid black high-reflectivity coating onto different substrates by adopting a spraying method to obtain the organic-inorganic hybrid black high-reflectivity coating. The organic-inorganic hybrid black high-reflection coating is formed; the high-reflectivity pigments with different colors are synthesized, the black inorganic high-reflectivity pigment is designed and developed from the perspective of color compounding, and compared with a single material, the price cost is lower, the performance is better, the color blackness is adjustable, and the application scene is wider.