39 results about "P-hydroxyanisole" patented technology

Disclosed in the present application are a 3D printing photo-curable resin and a preparation therefor. The preparation method comprises: under the constant-temperature and constant-humidity conditions of a preset temperature and a preset humidity, weighing 50-80 parts of an acrylate oligomer, 10-40 parts of a reactive diluent, 0.05-0.1 parts of an ultraviolet light absorber, and 0.01-0.05 parts of p-hydroxyanisole, adding the weighed substances into a container, and stirring the materials in the container at a first preset rotation speed; and after stirring for a first preset time, adding the weighed 5-10 parts of a cross-linking agent and 1-3 parts of a photoinitiator into the container while stirring, and stirring same for a second preset time at a second preset rotation speed under dark conditions, so as to obtain the 3D printing photo-curable resin. In this way, the resin has an extremely high strength and toughness, without a filler being added, and can avoid the problems of unstable material performance and poor printing precision.

The invention provides a biisoquinoline-based iron complex which has a structure as shown in a formula (I), and also provides a preparation method of the biisoquinoline-based iron complex and an application of the biisoquinoline-based iron complex as a catalyst for an anisole hydroxylation reaction. The invention further provides a method for preparing p-hydroxyanisole and co-producing o-hydroxyanisole. When the biisoquinoline-based iron complex provided by the invention is used for catalyzing hydroxylation reaction of anisole, excellent reaction activity and selectivity to hydroxyl products can be obtained, a new process thought is provided for industrial production of p-hydroxyanisole, and the biisoquinoline-based iron complex has very important economic value and social value, # imgabs0 #

The invention relates to the field of automobile clothing, and discloses an elastic base material for spraying an automobile clothing as well as a preparation method and application thereof, the elastic base material for spraying the automobile clothing comprises a polyurethane prepolymer, modified polydimethylsiloxane, a photoinitiator and an alcohol solvent; the polyurethane prepolymer is prepared from polycarbonate diol, modified fluorine-containing diol, isocyanate, 2, 2-dimethylolbutyric acid and modified nano silicon dioxide as raw materials, the modified fluorine-containing diol and the modified nano silicon dioxide are connected to a polyurethane main chain, pentaerythritol triacrylate is used as an end-capping reagent, and p-hydroxyanisole is used as a polymerization inhibitor, so that the polyurethane prepolymer is prepared. A polyurethane prepolymer and sulfydryl-terminated modified polydimethylsiloxane react under the action of a photoinitiator to form a heavy cross-linked network, so that the elastic base material is endowed with excellent mechanical properties, antifouling properties, thermal stability and flame retardance.

The invention discloses a catalyst for producing o / p-hydroxyanisole and a preparation method and application thereof, and belongs to the technical field of catalyst preparation. The preparation method comprises the following steps: firstly preparing a TS-1 molecular sieve catalyst, then carrying out extrusion molding, impregnating the TS-1 catalyst subjected to extrusion molding with metal salt step by step, and roasting to obtain the nickel, magnesium and zinc multi-component metal modified titanium silicalite molecular sieve catalyst, the preparation method is simple, no toxic reagent is needed, and through the interaction of a plurality of chelating agents and nickel, magnesium and zinc, the titanium silicalite molecular sieve catalyst is prepared. Compared with the prior art, the preparation method has the advantages that the dispersity and the loading capacity of metal and the acid site of the catalyst are obviously improved, the catalytic activity of the catalyst is obviously improved, the catalyst has very excellent catalytic stability, particularly, the selectivity of p-hydroxyanisole in a product is obviously improved, and the catalyst has a very good application prospect.

The invention discloses a method for synthesizing p-hydroxyanisole by catalyzing oxidation of anisole with a TS-1 titanium silicalite molecular sieve, which comprises the following steps: 1) adding anisole, acetonitrile, tert-butyl alcohol and the TS-1 titanium silicalite molecular sieve into a reaction container, controlling the temperature at 45-55 DEG C, and stirring for reaction; 2) filtering the TS-1 titanium silicalite molecular sieve; controlling the temperature to be 0-10 DEG C, and adding a reducing agent to quench oxidability; concentrating dry tert-butyl alcohol and acetonitrile; extracting by using an organic solvent; washing is performed; concentrating the dry organic phase; and 3) carrying out vacuum reduced pressure distillation, and collecting fractions to obtain the product. According to the method, the anisole which is relatively low in price is used as a raw material, the TS-1 titanium silicalite molecular sieve catalyst is used as a core, so that no black oil exists in the reaction for producing the p-hydroxyanisole, the yield of the p-hydroxyanisole is increased to 93% and the selectivity is as high as 97% due to the acetonitrile and tert-butyl alcohol solvents, the selectivity and conversion rate of the reaction are greatly improved, and the method is suitable for industrial production. The method has the characteristics of simple process, high yield, good quality and the like.

The invention discloses a UV (ultraviolet)-heat dual-curing waterborne polyurethane emulsion and a preparation method thereof. According to the UV-thermal dual-curing waterborne polyurethane emulsion, the heat resistance, the water resistance and the mechanical property of UV-WPUA can be improved, and meanwhile, the storage stability and the yellowing problem of the UV-WPUA can be improved; the polyurethane foam is prepared from the following components in parts by weight: 60-70 parts of binary isocyanate; 35 to 45 parts of polypropylene carbonate; 0 to 12 parts of 1, 4-butanediol; 50 to 55 parts of an acrylate monomer; 0.1 to 0.2 part of p-hydroxyanisole; 0 to 18 parts of sulfydryl silane; 0.1 to 0.3 part of an organic tin catalyst; 5-10 parts of a solvent; 100 to 150 parts of deionized water; belongs to the technical field of coatings.

The invention provides a preparation method of methacrylic acid 2-butoxyethyl ester, and belongs to the technical field of organic synthesis. According to the invention, p-hydroxyanisole (MEHQ) and 2, 2, 6, 6-tetramethylpiperidine oxide (TEMPO) are used as polymerization inhibitors at the same time, and the dual polymerization inhibitors are synergistically used, so that the auto-polymerization of methyl methacrylate (MMA) and 2-butoxyethyl methacrylate is reduced, and the conversion rate is increased.

The invention belongs to the technical field of electromagnetic detection, and particularly relates to a conductive adhesive for improving the stability of an electromagnetic detection sensor and a preparation method. The invention firstly provides a conductive adhesive for improving the stability of an electromagnetic detection sensor. The conductive adhesive comprises a first functional composition, a second functional composition and a function initiation component, the first functional composition is prepared from p-hydroxyanisole, 2-acrylamide-2-methylpropanesulfonic acid, acrylamide, sodium hydroxide and potassium chloride; the second functional composition comprises a dissolving agent, a viscosity agent, a humectant and water; the functional initiating component is composed of a photoinitiator and a cross-linking agent. The conductive adhesive prepared by the invention is high in data stability and low in alternating current impedance in electromagnetic detection.

The invention relates to a titanium complex catalyst, a preparation method of the titanium complex catalyst and application of the titanium complex catalyst in hydroxylation of anisole. Anisole and hydrogen peroxide react under catalysis of the titanium complex catalyst to obtain o-hydroxyanisole and p-hydroxyanisole. The invention provides a novel catalyst, active titanium and reactants are in full contact, and higher reaction activity is achieved; the catalyst has a certain space effect, can achieve a shape-selective catalysis effect, can generate more para-products, and improves the para-ortho ratio of hydroxyanisole.

The invention belongs to the technical field of electrolysis, and discloses a method for preparing p-hydroxyanisole through electrolytic oxidation of anisole. The method comprises the following steps: S1, adding anisole, an acylation reagent, an organic alkali proton trapping agent and an alkaline amine group-containing solvent into a single-chamber electrolytic bath together, starting electrification, carrying out electrolysis, and obtaining a product liquid containing p-methoxytrifluoroacetic acid phenyl ester in the single-chamber electrolytic bath after electrolysis is finished; the organic base proton trapping agent is at least one of N, N-diisopropylethylamine, tributylamine and tripropylamine; and S2, adding a saturated sodium bicarbonate aqueous solution into the product liquid containing p-methoxytrifluoroacetic acid phenyl ester in the step S1 to hydrolyze p-methoxytrifluoroacetic acid phenyl ester, and extracting to obtain p-hydroxyanisole. The selectivity of para-position and ortho-position products of methoxyl on anisole is regulated and controlled, so that the selectivity of p-hydroxyanisole prepared by the method is higher.

This application relates to an outdoor low-temperature lithium-ion battery, comprising a negative electrode material, a positive electrode material, an electrolyte, and a separator. The electrolyte includes a lithium salt, a solvent, and additives. The lithium salt is a fluorinated lithium salt, the solvent is a combination of acetate and carbonate, and the additives are tetraethyl orthosilicate and p-hydroxyanisole. By introducing tetraethyl orthosilicate and p-hydroxyanisole into the electrolyte, this application can dilute the electrolyte at low temperatures and prevent liquefaction of some components at higher temperatures. Furthermore, tetraethyl orthosilicate can prevent the generation of HF from the fluorinated lithium salt, thus protecting the battery performance. P-hydroxyanisole has antioxidant properties and can inhibit the dissolution of positive electrode metal ions at low temperatures, thereby protecting the positive electrode.

The invention relates to a high-performance anti-caking UV varnish for soft packaging of cigarettes and a preparation method thereof. The UV varnish comprises the following components calculated by weight: 25-35% of a modified aliphatic polyurethane acrylate resin, 10-15% of a fatty acid-modified epoxy acrylate, 30-35% of propoxylated neopentyl glycol diacrylate, 10-20% of ethoxylated 1,6-hexanediol diacrylate, 5-12% of a reactive tertiary amine co-initiator, 6-10% of a photoinitiator combination, and 2.48-4.82% of an auxiliary agent combination. The combination of the main resin, monomer, photoinitiator, etc. adopted in the present invention can obtain a UV varnish having excellent adhesion, ethanol resistance, friction resistance, environmental protection and other properties. In addition, the matching of appropriate specific auxiliary agents, wax powder, a polysiloxane surface-modified nano-alumina particle dispersion, and p-hydroxyanisole can further enable the soft packaging paper for cigarettes to have appropriate surface hardness and a suitable friction coefficient, thereby significantly reducing the caking phenomenon.

The invention relates to a synthesis process for co-production of p-hydroxyanisole and o-hydroxyanisole, anisole and hydrogen peroxide are used as raw materials, and under the action of a catalyst and an auxiliary agent, the content of p-hydroxyanisole and o-hydroxyanisole can be adjusted. The additive is prepared by taking benzothiophene as a raw material through alkyl ether, ethynylation and ring closing reaction, has certain solvent effect and limiting effect, and can change the proportion of p-hydroxyanisole to o-hydroxyanisole in a product.

The application discloses a normal-temperature quick-drying heavy metal putty and a preparation method thereof. The normal-temperature quick-drying heavy metal putty comprises components A and B, and the mass ratio of the components A and B is 100:(1.5-5). The component A comprises the following components in parts by weight: dicyclopentadiene modified unsaturated polyester resin 35-45 parts, polymerizable tertiary amine accelerator 0.8-1.5 parts, styrene 4-8 parts, p-hydroxyanisole 0.01-0.03 parts, 2,6-di-tert-butyl-4-methylphenol 0.03-0.05 parts, calcium stearate coated heavy calcium carbonate 30-40 parts, inorganic filler 20-40 parts, thixotropic agent 1.5-2.5 parts, defoaming agent 0.1-0.3 parts and dispersing agent 0.2-0.5 parts. The component B comprises the following components: benzoyl peroxide 45-60 parts, dibutyl phthalate 10-20 parts and thixotropic agent 5-15 parts. The polymerizable tertiary amine accelerator promotes the decomposition of the curing agent and the formation of a crosslinked network with the resin on one hand, and is covalently bonded to the crosslinked network in the polymerization process on the other hand, so that the migration problem of traditional small molecule accelerators is eliminated in the chemical nature, and the normal-temperature quick-drying heavy metal putty with excellent adhesion to bare steel, suitable activation period and short drying time is obtained.

The invention discloses a polymerization inhibitor for printing ink, the printing ink and application of the printing ink. Relates to the field of ink polymerization inhibitors. The component of the polymerization inhibitor for the printing ink comprises p-hydroxyanisole, and the printing ink is selected from azo dye type printing ink or mixed printing ink of anthraquinone dye and azo dye. According to the polymerization inhibitor disclosed by the invention, p-hydroxyanisole is added into azo dye type ink or anthraquinone-azo mixed type ink as an active component, so that the reflux performance of an electrowetting display device after light aging can be remarkably improved.

The invention discloses rosin resin and a preparation method thereof, and relates to the technical field of rosin resin, and the rosin resin is prepared from the following components in parts by weight: 100 parts of rosin, 4.2 to 8.4 parts of triphenylphosphine, 40 to 50 parts of allyl glycidyl ether, 18 to 27 parts of p-hydroxyanisole, 500 to 1000 parts of dichloromethane, 34 to 64 parts of triethylamine and 35 to 45 parts of pentafluoropropionyl chloride. The rosin resin prepared by the invention effectively solves the key technical problems of high acid value, poor thermal stability, easy oxidation and crystallization and the like of traditional rosin, the softening point is obviously improved, the acid value is reduced, and the thermal stability and the chemical stability are enhanced; the mechanical strength, toughness, water resistance and corrosion resistance of the modified resin are greatly improved on the basis of maintaining good film-forming property and adhesion of rosin.

The invention provides a continuous synthesis method of 3-methyl-3-butene-1-alcohol, which comprises the following steps: a reaction raw material system formed by mixing a formaldehyde aqueous solution, a first catalyst, a second catalyst, methanol and isobutene is subjected to a Pichia reaction in a high-pressure tubular reactor to generate a 3-methyl-3-butene-1-alcohol product system; carrying out flash evaporation on the 3-methyl-3-butene-1-alcohol product system to obtain recovered isobutene and tower bottoms, and carrying out continuous purification on the tower bottoms to obtain a 3-methyl-3-butene-1-alcohol product; wherein the first catalyst is a weakly alkaline compound, and the second catalyst comprises any one or more of hydroquinone and p-hydroxyanisole. By applying the technical scheme of the invention, the problems of reactor blockage and pipeline coking in the reaction liquid post-treatment process are thoroughly solved, the continuous reaction of the whole process is realized, the production efficiency is high, the safety is high, and the industrial production is easier.

The present application relates to a kind of stable chlorpyrifos technical and the application of stabilizer, the content of chlorpyrifos in the chlorpyrifos technical is 92.0-99.5%, chlorpyrifos technical contains stabilizer, stabilizer is p-hydroxyanisole, beta-propionolactone, or the composition consisting of p-hydroxyanisole and beta-propionolactone, wherein the mass content of stabilizer in chlorpyrifos technical is 0.05 ‰-5.0 ‰.The present application uses p-hydroxyanisole, beta-propionolactone or the composition consisting of p-hydroxyanisole and beta-propionolactone as the stabilizer of chlorpyrifos technical solves the stability problem of chlorpyrifos technical, especially can effectively reduce the decomposition of active ingredient in chlorpyrifos technical.

The invention discloses a TPE material for a high temperature resistant and degradable elastic toy and a preparation method thereof, and relates to the technical field of children's toy materials. The TPE material for a high temperature resistant and degradable elastic toy prepared by the invention comprises a modified TPE and a cotton fiber filler, wherein the modified TPE is prepared by introducing a furan ring and isoprene into a bio-based thermoplastic polyester elastomer, wherein the bio-based thermoplastic polyester elastomer is prepared by transesterification and melt polycondensation of 2,5-furandicarboxylic acid dimethyl ester, terminal hydroxyl polyisoprene, polyhydroxyalkanoate and p-hydroxyanisole, and the elasticity and mechanical properties of the modified TPE are enhanced, and the cotton fiber filler is prepared by coating a modified polycaprolactone on the surface of the cotton fiber, wherein the modified polycaprolactone is prepared by reacting a polycaprolactone copolymer with ethanolamine, and the polycaprolactone copolymer is prepared by ring-opening polymerization of caprolactone and then with lactide, and the compatibility of the TPE material is enhanced.

The invention discloses fragrant printing ink and a preparation method thereof, the fragrant printing ink comprises a diluent, a diluent and fragrant powder, the diluent comprises an acrylate substance, acryloylmorpholine, 2-hydroxy-2-methyl-1-[4-(2-hydroxyethoxy) phenyl]-1-acetone and 2, 4, 6-trimethylbenzoyl-di (p-tolyl) phosphine oxide, the diluent comprises a diluent solvent, a diluent solvent and a solvent solvent, and the diluent solvent comprises a diluent solvent, a diluent solvent and a solvent solvent. The diluent comprises an acrylic ester substance, a printing ink adhesive, a phosphate ester substance and p-hydroxyanisole; the acrylic ester substances in the diluent comprise the acrylic ester substances in the diluent. According to the fragrant ink disclosed by the invention, the diluent and the diluent share an acrylate substance as a basic component, so that the two key assistants can be better fused in an ink system through the design, the rejection reaction among different components is reduced, the problems of layering, precipitation, uneven gloss and the like are avoided, and the overall stability of the ink is guaranteed; and meanwhile, the component debugging difficulty in the production process is also simplified.

The invention discloses a method for co-producing p-hydroxyanisole and o-hydroxyanisole through hydroxylation reaction of anisole, which comprises the following steps: carrying out hydroxylation reaction on anisole and hydrogen peroxide under the action of a catalyst, and feeding the obtained anisole hydroxylation reaction liquid into a desolventizing tower for desolventizing; a mixture extracted from the top of the desolventizing tower is fed into a reactor for recycling, a material discharged from the bottom of the desolventizing tower is fed into an anisole tower for normal-pressure azeotropic rectification, a mixture extracted from the top of the desolventizing tower is fed into a liquid-liquid two-phase separator, a material discharged from the bottom of the anisole tower is fed into an o-hydroxyanisole tower for extracting an o-hydroxyanisole product, and a material at the bottom of the desolventizing tower is fed into a p-hydroxyanisole tower; and extracting a p-hydroxyanisole product from the p-hydroxyanisole tower. The method realizes co-production of p-hydroxyanisole and o-hydroxyanisole, has the advantages of simple and efficient technological process, convenient and stable operation in the technological process, high product purity, low operation temperature in the separation process, small deterioration loss and the like, and is especially suitable for industrial application.

The invention relates to the field of automobile covers and discloses an elastic substrate for automobile spray-coated covers, a preparation method thereof, and an application thereof. The elastic substrate for automobile spray-coated covers comprises a polyurethane prepolymer, a modified polydimethylsiloxane, a photoinitiator, and an alcohol solvent. The polyurethane prepolymer uses polycarbonate diol, a modified fluorine-containing diol, isocyanate, 2,2-dihydroxymethylbutyric acid, and modified nano-silica as raw materials. The modified fluorine-containing diol and the modified nano-silica are connected to the polyurethane main chain. Pentaerythritol triacrylate is used as a capping agent and p-hydroxyanisole is used as a polymerization inhibitor. The polyurethane prepolymer and the mercapto-terminated modified polydimethylsiloxane are reacted under the action of the photoinitiator to form a heavily cross-linked network, thereby imparting excellent mechanical properties, antifouling properties, thermal stability, and flame retardancy to the elastic substrate.

The invention discloses a coating composition for lubricating an interventional device, and belongs to the technical field of medical devices. The composition comprises a bottom layer composition, wherein the bottom layer composition comprises the following components: a first cross-linking agent, p-hydroxyanisole, a first initiator and a wetting agent; the p-hydroxyanisole is added into the bottom layer composition, so that the viscosity increasing degree of the coating composition can be effectively reduced.

This invention discloses a reverse demulsifier for oilfield produced fluid treatment, prepared using the following steps: N-(3-dimethylaminopropyl)methacrylamide, methyl chloroacetate, and the polymerization inhibitor p-hydroxyanisole are added to a solvent and reacted at a constant temperature for 10 hours. After cooling, dimethylaminopropylamine is added dropwise and reacted at room temperature for 1 hour. Then, p-hydroxyanisole is added and the reaction is heated for 4 hours. Next, etherifying agent Quat-188 with an effective content of 65% is added and the reaction is heated for 10 hours. After removing the solvent, a high cationic density monomer is obtained. Then, the high cationic density monomer and 2-(dodecyltrithiocarbonate)-2-methylpropionic acid are dissolved in anhydrous ethanol and an initiator and reacted at a constant temperature and with stirring for 3 hours. Then, acrylate monomers are added, nitrogen is purged to remove oxygen, an initiator is added, and the reaction is heated for 3 hours to obtain the product. The reverse demulsifier for oilfield produced fluid treatment proposed in this invention has a stronger ability to neutralize the negative charge of oil droplets and can be applied to the demulsification treatment of high-concentration oily wastewater under more severe conditions.

The invention provides a preparation method of methacryloyloxypropyltriacetoxysilane, and relates to the field of organic silicon synthesis, the preparation method comprises the following steps: adding a solvent, sodium acetate and a first polymerization inhibitor into a reaction container; under the protection of inert gas, dropwise adding methacryloyloxypropyl trichlorosilane and a second polymerization inhibitor; after dropwise adding is completed, continuously reacting for a period of time, filtering to remove solid salt, and distilling to remove the solvent to obtain a finished product methacryloyloxypropyltriacetoxysilane; according to the method, sodium acetate and methacryloyloxypropyltrichlorosilane are taken as raw materials, two polymerization inhibitors, namely p-hydroxyanisole and 2, 6-di-tert-butyl p-cresol, are compounded for use, a specific polymerization inhibitor adding sequence is adopted, and methacryloyloxypropyltriacetoxysilane can be synthesized under the condition that a catalyst is not used.

The invention relates to a detection method for rapidly determining p-hydroxyanisole, hydroquinone and isophorone in offset printing ink, and belongs to the technical field of chemical or physical analysis. According to the detection method, the specific extraction solvent and the gas chromatographic column are selected, the GC program with the good separation effect is executed, the SIM ions are selected, the target object is accurately qualitative and quantitative, the analysis time is greatly shortened, the analysis efficiency is improved, and the analysis repeatability is excellent.

The invention belongs to the technical field of resin, and particularly relates to a synthetic method and application of modified hydrogenated bisphenol A type epoxy acrylate high-weather-resistance resin. Hydrogenated bisphenol A epoxy resin, acrylic acid, p-hydroxyanisole, 2, 6-butylated hydroxytoluene and triethylamine are put into a reaction kettle, stirring is started, the temperature is slowly increased, timing is started when the temperature reaches, reaction heat release, temperature control reaction and sampling are carried out to test the acid value, after the acid value is qualified, cooling is carried out, a reagent is added, uniform stirring is carried out, cooling, discharging, filtering and packaging are carried out, and the synthetic resin is obtained. The synthetic resin can be applied to a product, and the preparation method of the product comprises the following steps: mixing the synthetic resin, an initiator, glass fiber cloth, a flatting agent and a light stabilizer to obtain a mixture, and performing hot-pressing curing to obtain the product. According to the invention, the technical problem that the epoxy resin is easy to yellow and age in outdoor application is fundamentally solved.

The invention discloses a method for separating hydroxyanisole from an anisole hydroxylation reaction liquid, which comprises the following steps: the anisole hydroxylation reaction liquid sequentially enters a desolventizing tower, an anisole tower, a decoking tower, a melt crystallization separation tower and an o-hydroxyanisole tower for separation and refining to obtain a hydroxyanisole product and an o-hydroxyanisole product. The method realizes effective separation of p-hydroxyanisole and o-hydroxyanisole, has the advantages of simple and efficient technological process, convenient and stable operation in the technological process, high product purity, low operation temperature in the separation process, small loss and the like, and is especially suitable for industrial application.

The application provides a bisisoquinoline-based iron complex with the structure shown in formula (I), and also provides a preparation method of the bisisoquinoline-based iron complex and application of the bisisoquinoline-based iron complex as a catalyst for hydroxylation reaction of anisole, and further provides a method for preparing p-hydroxyanisole and co-producing o-hydroxyanisole. When the bisisoquinoline-based iron complex provided by the application is used for catalyzing the hydroxylation reaction of anisole, excellent reaction activity and p-hydroxy product selectivity can be achieved, a new process idea is provided for industrialized production of p-hydroxyanisole, and the bisisoquinoline-based iron complex has very important economic value and social value.

The invention discloses silane modified low-shrinkage low-ash-content photosensitive resin as well as a preparation method and application thereof. The silane modified low-shrinkage low-ash-content photosensitive resin is prepared from 40 to 70 weight percent of prepolymer, 30 to 50 weight percent of reactive diluent, 1 to 5 weight percent of photoinitiator, 0.5 to 1.5 weight percent of silane coupling agent and 0.1 to 0.3 weight percent of p-hydroxyanisole, the silane modified low-shrinkage low-ash-content photosensitive resin forms an organic polymer network through photocuring; the silane coupling agent is subjected to ultraviolet post-curing to generate a Si-O-Si inorganic network in situ; the organic polymer network and the Si-O-Si inorganic network form an organic-inorganic interpenetrating network. Through the organic-inorganic interpenetrating network structure design, the photosensitive resin can effectively solve the problem that low shrinkage, low ash content and high strength of the existing SLA casting resin are difficult to consider at the same time. The preparation process is simple and convenient, and after SLA printing and ultraviolet post-curing treatment, a fired mold meeting the high-end precision casting requirement can be prepared, so that the casting quality and the production efficiency are improved.