171 results about "Propyl ether" patented technology

The invention relates to the field of adhesives, and particularly discloses an OCA optical adhesive for a folding screen and a preparation method of the OCA optical adhesive. The OCA optical adhesive for the folding screen is prepared from the following raw materials in parts by weight: 60 to 80 parts of urethane acrylate, 15 to 25 parts of organic silicon grafted glycidyl ether, 20 to 30 parts of a diluent, 5 to 10 parts of a photoinitiator and 1 to 2 parts of an antioxidant, the organic silicon grafted glycidyl ether is prepared by reacting vinyl siloxane, pentaerythritol triallyl ether, allyl glycidyl ether and a catalyst. The OCA optical cement for the folding screen prepared by the invention is applied to the folding screen, and can keep relatively good elasticity, bending resistance and bonding strength in the long-term repeated folding use process, and wrinkles and bubbles are not easy to appear.

The invention discloses a flame-retardant cable and a preparation method thereof. The cable comprises conductor wire cores, a fireproof layer, an insulating layer, a shielding layer, a filling layer and a sheath layer from inside to outside. According to the cable sheath layer, 100 parts of high density polyethylene (HDPE), 5-15 parts of ethylene-vinyl acetate rubber and 3-10 parts of fluororubber are used as main materials, triallyl isocyanurate and bisphenol A diallyl ether are introduced for synergistic crosslinking, and nano montmorillonite is used as an auxiliary material, so that a compact interpenetrating network is constructed. The tensile strength of the sheath layer composite material is greater than or equal to 26.5 MPa, the elongation at break is greater than or equal to 387%, the performance retention rate is greater than 92% after the sheath layer composite material is soaked in slurry for 28 days, the limit oxygen index is greater than 38%, the water vapor transmission coefficient is less than or equal to 1.5 * 10 <-4 > g.mm / (m < 2 >. D.Pa), and the sheath layer composite material has excellent flame retardance, barrier property and slurry resistance and is suitable for harsh outdoor environments such as rail transit.

Marker composition comprising water, 1-10 wt.% non-ionic surfactant selected from alkyl polyglucosides, alcohol ethoxylates and alcohol ethoxylate propoxylates, or mixtures thereof, 1-5% organic solve

A geopolymer precursor includes an alkaline reactive solid material containing aluminum, silicon, and oxygen, and a fluid loss control material having an ionic stability property that has a first value in water and a second value in a 3M solution of NaOH, wherein a ratio of the second value to the first value is in a range of 0.5 to 2.0. The fluid loss control material may be, or may include a crosslinked polymer, which may include a reaction product of one or more of acrylamide, 2-acrylamido-2-methyl propane sulfonic acid, N,N‑dimethylacrylamide, N,N‑diethylacrylamide, vinyl acetate, or another monomer, and a crosslinker including one or more of methylene bisacrylamide, triallyl amine, pentaerythritol allyl ether, triallyl-triazine-trione, or another material. The geopolymer precursor may include an activator, an alkaline solution having pH of at least about 9, or both.

The invention relates to the technical field of petroleum drilling fluid loss reduction, and discloses an anti-divalent salt fluid loss agent for drilling fluid, which is prepared by the following steps: step 1, beta-cyclohexylamine and 6-chloro-1-hexene are subjected to a reaction to obtain alkenyl beta-cyclohexylamine; step 2, initiating polymerization of alkenyl beta-cyclopentadiene, a hyperbranched monomer pentaerythritol triallyl ether and 2-acrylamide-2-methylpropanesulfonic acid under the action of azobis (isobutylamidine hydrochloride), so as to obtain an intermediate A; 3, 3-dimethylamino-1-propylamine and palmitic acid are subjected to a reaction, and an intermediate 2 is obtained; 4, the intermediate 2 and benzyl chloride are subjected to a reaction, and quaternary ammonium salt modified fatty acid is obtained; and 5, stirring and mixing the intermediate A, quaternary ammonium salt modified fatty acid and coupling agent modified walnut powder to obtain the divalent salt resistant filtrate reducer for the drilling fluid. The anti-divalent salt filtrate reducer for the drilling fluid has a relatively good anti-divalent salt effect.

The invention provides a preparation method of photocatalytic hydrogel, belongs to the technical field of photocatalysis, and aims at solving the problems that traditional hydrogen production is high in energy consumption and pollution, and existing photocatalytic hydrogel is low in purity and unstable in performance. The method comprises the following steps: firstly, preparing seven precursors of CPDT-1, CPDT-2Br-SO3Na, PCT-SO3Na, Flu-2Br-SO3Na, PFT-SO3Na, PCBT-SO3Na and PFBT-SO3Na step by step, and carrying out nitrogen purging to prevent oxidation, acetone precipitation, recrystallization and Soxhlet extraction and purification in the process; the four active precursors are mixed with acrylic acid, pentaerythritol triallyl ether and (2, 4, 6-trimethylbenzoyl) diphenyl phosphine oxide respectively, the mixture is subjected to 365nm ultraviolet irradiation polymerization, and four photocatalytic hydrogels are prepared. The method has the advantages of mild conditions, controllable operation, high product purity and stable photocatalytic performance, and is suitable for hydrogen energy preparation and water pollution treatment.

An electrolytic solution for a lithium metal battery, including an electrolyte salt and an organic solvent, the electrolyte salt including lithium bis-fluorosulfonylimide (LiFSI); the organic solvent including 1,2-dimethoxyethane (DME) and 1,1,2,2-tetrafluoroethyl-2,2,3,3-tetrafluoropropyl ether (TTE); the electrolytic solution further including a first compound that is a polyethylene glycol compound having an average molecular weight of 200 to 1200 and that is included in the electrolytic solution for a lithium metal battery at 0.015% by mass or more and less than 0.3% by mass, and a second compound that is at least one selected from the group consisting of diglyme, triglyme, and tetraglyme and that is included in the electrolytic solution for a lithium metal battery at 0.1% by mass or more and less than 1.0% by mass.

The invention discloses hyperbranched polyurethane acrylate UV light-cured resin and a preparation process thereof, and belongs to the technical field of hyperbranched UV light-cured resin. The preparation process disclosed by the invention adopts step-by-step prepolymerization and comprises the following steps: firstly, constructing a linear polymer main chain skeleton by using low-polarity dihydric alcohol, and continuously reacting an obtained primary polyurethane prepolymer with a polyol monomer consisting of trimethylolpropane, trimethylolpropane monoallyl ether, dimethylolpropionic acid and pentaerythritol to obtain a secondary polyurethane prepolymer; and finally, carrying out end capping by adopting pentaerythritol triacrylate. The prepared hyperbranched polyurethane acrylate UV light-cured resin is high in curing speed, low in viscosity, high in hardness and good in flexibility, and can be applied to various fields such as UV plastic coatings, precise ink-jet printing and wood coatings.

The invention discloses a preparation method of sulfide solid electrolyte slurry, a preparation method of a positive plate, an all-solid-state battery and a preparation method of the all-solid-state battery. The method comprises the following steps: preparing modified perfluoropolyether oil by taking perfluoropolyether carboxylic acid as a raw material, and mixing the modified perfluoropolyether oil with lithium salt, a suspension stabilizing additive and sulfide electrolyte to prepare the slurry. The modified perfluoropolyether oil adopts asymmetric end group design, one end is an epoxypropyl ether group, and the other end is a cyano group. The modified perfluoropolyether oil is introduced as a protective medium and an ionic conduction enhancer of the sulfide electrolyte, so that the problems of air stability, space charge layer and high-voltage operation of the sulfide electrolyte are solved, the process is simple, the cost is low, and the method has a good industrial application prospect. According to the all-solid-state battery disclosed by the invention, the gel-state ion conduction layer is formed between the positive plate and the electrolyte layer, and the gel-state ion conduction layer has high viscoelasticity and can keep good solid-solid interface contact under a relatively low external pressure condition.

The invention provides a lithium metal battery and a manufacturing method thereof, an energy storage system and electric equipment, which are beneficial to improving the performance of the lithium metal battery. The method comprises the following steps: providing a positive plate, a negative current collector and a diaphragm; winding or laminating the positive plate, the negative current collector and the diaphragm, and putting into a shell to form an initial battery cell; a first electrolyte is injected into the initial battery cell, the first electrolyte comprises a lithium salt, lithium nitrate and a solvent, the solvent at least contains 70 wt% or above of a short-chain ether solvent, and the number of carbon atoms of the short-chain ether solvent is smaller than or equal to 6; performing a first formation process on the initial battery cell; a second electrolyte is injected into the initial battery cell in a pulse type liquid injection mode, the second electrolyte comprises a lithium salt, 1, 1, 2, 2-tetrafluoroethyl-2, 2, 3, 3-tetrafluoropropyl ether and a solvent, and the molar concentration of the lithium salt in the second electrolyte is larger than that of the lithium salt in the first electrolyte; and performing a second formation process on the initial battery cell to form the lithium metal battery.

The application relates to the field of paint technology and discloses a water-based UV primer for floor and a preparation method thereof. The water-based UV primer is formed by mixing water-based UV polyurethane emulsion as a film-forming material, modified jute fiber, defoaming agent, thickening agent and the like as auxiliary materials. The modified jute fiber is prepared by modifying macromolecular substances with polyether and triallyl ether alternately connected on the surface of jute fiber. The macromolecular substance structure contains a large number of triallyl ether structures. The allyl groups can participate in the subsequent photocuring process of the paint, so that the covalent connection of the jute fiber and the paint molecular chain is realized. Therefore, the jute fiber can exist in the form of a chemical core in the coating layer formed by photocuring of the paint, and the jute fiber can strengthen and toughen the coating layer. Meanwhile, the macromolecular substance structure contains a large number of ether bonds, and the ether bonds can improve the adhesion of the paint film, thereby improving the problem of poor interlayer adhesion.

To provide a novel tetracycline derivative having reduced antimicrobial activity for use in treating disorders of the central nervous system.SOLUTION: Provided are novel molecules comprising a modified tetracycline molecule including Deamino Diacetyl Minocycline, Methyl Ether Minocycline, Ethyl Ether Minocycline, Propyl Ether Minocycline, Butyl Ether Minocycline, Butyl Ether Monoacetyl Minocycline, Butyl Ether Diacetyl Minocycline, Butyl Ether Triacetyl Minocycline, or Butyl Ether Tetra Acetyl Minocycline, pharmaceutically acceptable salts, pro-drugs, biologically active metabolites, and tautomers thereof, and methods for using the same to treat Alcohol Use Disorder (AUD), Substance Use Disorder (SUD), tobacco use, pain, or proinflammatory disorders.SELECTED DRAWING: None

The invention provides a low-migration organic silicon plasticizer as well as a preparation method and application thereof, and belongs to the field of chemical synthesis. The low-migration plasticizer is prepared by taking the hydrogen-containing silicone oil as a raw material and reacting the hydrogen-containing silicone oil with the allyl ether under the action of the catalyst, the specific structure can be adjusted according to different high polymer materials, and on the basis of the prepared plasticizer, the structure has great flexibility, so that the low-migration plasticizer can be used for preparing the high-migration plasticizer. Adjustment can be carried out according to needs. The raw materials are safe and non-toxic, the biocompatibility is good, the reaction condition is mild, the yield is close to 100%, waste materials and waste gas are not generated in the production process, energy conservation and environmental protection are achieved, the plasticizer is stable in performance, migration is not generated in plastic products, and the plasticizer can be used for safe toys, food packaging and the like.

The application discloses a preparation method of a fast-wetting salt-resistant polyacrylic acid resin, which comprises the following steps: (1) preparing an initiator solution: dissolving an initiator in a solvent to obtain a solution system A, wherein the initiator is selected from azobisisobutyronitrile or azobisisoheptyl nitrile; (2) preparing a monomer system: mixing monomer acrylic acid, allyl triethoxysilane, maleic anhydride and a crosslinking agent pentaerythritol triallyl ether to obtain a monomer system B; and (3) obtaining the fast-wetting salt-resistant polyacrylic acid resin through reaction: under the atmosphere of an inert gas and at a heating temperature, the solution system A and the monomer system B are simultaneously added into an emulsifier solution drop by drop, and then the reaction is carried out under heat preservation. The method is simple in process, and the obtained polyacrylic acid resin has the advantages of fast wetting, good salt resistance, excellent light transmittance and viscosity in a salt environment and the like.

The invention relates to the field of heat-conducting silicone grease, and discloses low-thermal-resistance heat-conducting silicone grease and a preparation method thereof. The heat-conducting silicone grease with low thermal resistance is prepared from the following raw materials in parts by weight: 100 to 120 parts of silicone oil polymer, 135 to 150 parts of heat-conducting filler, 4 to 6.5 parts of methylcyclosiloxane, 2 to 4 parts of alkyl alkoxy silane and 0.2 to 0.4 part of lubricating additive, the silicone oil polymer is prepared from trimethyl trivinyl cyclotrisiloxane, vinyl terminated polydiphenyl siloxane-polymethylvinyl siloxane block polydimethylsiloxane, trimethylolpropane diallyl ether, hydrogen-containing silicone oil and a platinum catalyst through a reaction. The heat-conducting silicone grease prepared by the invention has relatively good thixotropy, heat conductivity and low-heat-resistance stability, and silicone oil is not easy to separate out in a long-term cold and hot cycle use process.

The application provides a low-temperature electrolyte, a positive electrode slurry and a low-temperature sodium ion battery, and belongs to the technical field of battery materials.The low-temperature electrolyte comprises sodium hexafluorophosphate, propylene carbonate, ethylene carbonate, dimethyl carbonate, methyl ethyl carbonate, fluoroethylene carbonate, 2,2,3,4,4,4-hexafluorobutyl acrylate and 1,1,2,2-tetrafluoroethyl-2,2,3,3-tetrafluoropropyl ether.The battery comprises the low-temperature electrolyte.The low-temperature electrolyte and the low-temperature sodium ion battery can not only be compatible with blended positive electrode materials, but also take into account the low-temperature performance, ensure that the prepared low-temperature sodium ion battery has good reaction kinetics and cycle performance, and can also improve the energy density of the electrode and reduce the powder resistivity.

The present application relates to the technical field of volume holographic thin film waveguide production, and specifically to a method for processing a resin substrate for volume holographic liquid crystal polymer film transfer. The processing method specifically comprises: after ozone cleaning and UV cleaning of the surface of the resin substrate coated with a functional coating, spin coating a mixed monomer treatment liquid comprising trimethylolpropane allyl ether and trimethylolpropane diallyl ether on the surface of the resin substrate to form a hydrophilic group substrate; further spin coating or scraping an acrylic ester glue on the surface of the hydrophilic group substrate, and performing a UV curing treatment. The present application adopts a polymer synthesis method to modify the surface of the resin substrate through hydrogen bonding, and completely changes the surface of the resin substrate after curing, thereby facilitating the attachment of the acrylic ester glue.

The invention discloses a photocureable coating containing pentaerythritol triallyl ether and a preparation method thereof, and belongs to the field of coatings, the photocureable coating comprises the following components by weight: 100 parts of a photocureable oligomer matrix, 1-5 parts of a first photoinitiator, a composite nano filler and an auxiliary agent, the composite nano filler comprises 6 to 8 parts of PEAE modified nano filler composite mother liquor and 12 to 14 parts of active PEAE microspheres; the auxiliary agent comprises 3-5 parts of nano zirconium oxide dispersion liquid; the PEAE modified nanofiller composite mother liquor comprises a PEAE monomer and composite nanoparticles, and the mass ratio of the PEAE monomer to the composite nanoparticles is (4-5): 1; the active PEAE microspheres are obtained by taking pentaerythritol triallyl ether (PEAE), dipentaerythritol pentaacrylate, a second photoinitiator, a chain transfer agent, an emulsifier and deionized water as main raw materials, and irradiating the main raw materials through an emulsion polymerization method in combination with 80-85% of UV energy required by theoretical complete curing. On the basis of an existing photocuring system, the nano filler is improved, and the glossiness of the coating is relatively improved.

The present invention provides a flame retardant composition for foamed styrene resin, which can be used to produce a foamed molded body having excellent flame retardancy and heat resistance, a flame-retardant foamed styrene resin composition, and an extrusion-foamed molded body thereof. The flame retardant composition for foamed styrene resin of the present invention contains at least component (B1) tetrabromobisphenol A-bis(2,3-dibromo-2-methylpropyl ether), component (C) zinc fatty acid, and component (D) fatty acid metal salt (except for the (C) component), the content of the (C) component is 0.1 to 15 parts by mass per 100 parts by mass of the (B1) component, and the content of the (D) component is 1 to 35 parts by mass per 100 parts by mass of the (B1) component.

The invention discloses low-melting-point copolyester and a preparation method thereof, and belongs to the technical field of hot-melt polyester. The low-melting-point copolyester prepared by the invention comprises the following raw material components in parts by mass: 90-97 parts of a low-melting-point copolyester base material and 3-10 parts of a toughening agent, wherein the low-melting-point copolyester is obtained by melt polycondensation of terephthalic acid, 1, 4-butanediol, a flame-retardant monomer and lactic acid; the flame-retardant monomer is obtained by reacting amino acid diethyl ester with cinnamyl aldehyde and then reacting with 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide; the toughening agent is obtained by copolymerizing glycidyl methacrylate, potassium 3-sulfopropyl methacrylate, hydroxyethyl methylacrylate and glyceryl trihydroxypropyl ether triacrylate; the low-melting-point copolyester prepared by the invention is low in melting point, good in flame retardance and excellent in mechanical property.

The present application relates to the field of sealants and discloses a bonding and sealing organic silicone for battery packs and its preparation method. The bonding and sealing organic silicone consists of components AB. Component A is made from the following raw materials in parts by weight: 80-100 parts of bis-hydroxy-terminated polydimethylsiloxane, 35-45 parts of filler, 1-3 parts of antioxidant, and 0.2-0.4 parts of catalyst; component B is made from the following raw materials in parts by weight: 30-40 parts of bis-hydroxy-terminated polydimethylsiloxane, 5-10 parts of cross-linking agent, 4-8 parts of tackifier, and 20-30 parts of flame retardant; the cross-linking agent is composed of pentaerythritol triallyl ether and bis[3-(triethoxysilyl)propyl]amine; the tackifier is composed of polyisobutylene succinic anhydride, 3-aminopropanol vinyl ether, and cyclohexane-1,2-dicarboxylic acid diglycidyl ester. Advantages: When used for battery pack shells, the battery pack has good bonding stability when facing long-term high and low temperature environments.

The application provides a cable cooling liquid and a preparation method and application thereof, and belongs to the technical field of cooling liquids, and comprises the following raw materials: perfluorobutyl methyl ether, 1,1,2,2-tetrafluoroethyl-2,2,3,3-tetrafluoropropyl ether, a plasticizer, a cosolvent, a chelating agent, a retarder, a flame retardant and an antioxidant. The cooling liquid prepared by the technical scheme provided by the application can achieve the purposes of excellent heat conduction capacity and corrosion resistance to cable materials.

Role of a cleaning textile for cleaning printing cylinders of a printing system, wherein the cleaning textile is impregnated with a cleaning agent composition, the cleaning agent composition comprising an organic solvent and a cellulose solubilizer, wherein the organic solvent is a propylene glycol oligomer, which is di(propylene glycol)propyl ether, and wherein the roller (12) is inserted into a removable sealing bag (15) which is designed to seal the roller (12) of cleaning textile (13) in order to prevent the cleaning agent composition from evaporating before use, wherein the sealing bag (15) is tubular and is made of a multilayer plastic film.

The invention belongs to the technical field of lithium ion battery electrolyte, and particularly relates to high-voltage electrolyte for a fast-charging lithium ion battery as well as a preparation method and application of the high-voltage electrolyte. Comprising the following substances: a main solvent, which comprises diethyl carbonate (DEC), dimethyl carbonate (DMC) and ethylene carbonate (EC); the diluent is 1, 1, 2, 2-tetrafluoroethyl-2, 2, 3, 3-tetrafluoropropyl ether (HFE), and the diluent is 1, 1, 2, 2-tetrafluoroethyl-2, 2, 3, 3-tetrafluoropropyl ether (HFE); lithium hexafluorophosphate (LiPF6); the film-forming additive is LiDFOB lithium difluoro (oxalato) borate; a film forming additive tri (trimethylsilyl) phosphate TMSP; and lithium nitrate LiNO3. The method provided by the invention is simple and easy to implement and low in cost, and the obtained electrolyte shows excellent specific capacity, charge-discharge cycle stability and rate capability as an electrode material of a lithium ion battery and a sodium ion battery.

The invention discloses a UV-curable thermal insulation coating and a preparation method thereof, and relates to the technical field of coatings. The preparation method comprises the following steps: firstly, preparing a UV curing coating by taking 2-ethyl-2-(mercaptomethyl)-1, 3-propanedithiol and pentaerythritol triallyl ether as raw materials, and then adding a modified phase change microcapsule material as a thermal insulation auxiliary agent; the polyfunctional group raw material can form a highly cross-linked polymer network structure, so that the mechanical property of the cured coating is improved; an oxidized foam metal loaded sugar alcohol mixture is used as a core material of the phase-change microcapsule, p-fluorocinnamyl chloride doped modified polyamide is used as a shell material of the phase-change microcapsule, then the modified phase-change microcapsule material is prepared by adopting an interfacial polymerization method, and the modified phase-change material can absorb or release heat more quickly, so that the heat preservation effect is improved, and the service life of the phase-change microcapsule is prolonged. The surface of the fluorocinnamyl chloride modified phase change microcapsule material contains double bonds and can participate in a curing reaction to be directly bonded with a resin network, so that the interfacial strength is enhanced. According to the prepared UV curing thermal insulation coating, the thermal insulation effect of the coating is improved.

The invention belongs to the technical field of textile dyeing and finishing production, and discloses a cationic color fixing agent and a preparation method thereof.The cationic color fixing agent is obtained by conducting self-polymerization on dimethyl diallyl ammonium chloride and then conducting cross-linking, and in the cross-linking process, the mass ratio of a dimethyl diallyl ammonium chloride self-polymer to a cross-linking agent is 70-80: 1-4; the cross-linking agent is selected from at least one of pentaerythritol triallyl ether, methyl triallyl silane, tetraallyl silane and triallyl (phenyl) silane, the molecular weight of the cationic monomer is firstly increased by synthesizing the self-polymer, and then cross-linking is performed, so that the gel risk is reduced.

The application belongs to the technical field of materials, and provides a bio-based bismaleimide resin and a preparation method and application thereof, the resin being prepared by copolymerization of curcumin allyl ether and N,N'-4,4'-diphenylmethane bismaleimide. The curcumin allyl ether has a beta-diketone conjugated system, and is prepared by nucleophilic substitution reaction of curcumin and allyl bromide in a potassium carbonate acetone system; when prepared, the two are cured in stages at 150-240 DEG C to form a high crosslinking network, and a vacuum degassing and curing process is combined. The bio-based bismaleimide resin provided in the application has a curing peak temperature that is 20-30 DEG C lower than that of a traditional BD resin, a Tg that is nearly 90 DEG C higher than that of the BD resin, a carbon residue rate at 800 DEG C that is greater than or equal to 42%, an LOI that is greater than or equal to 37%, reaches a UL-94 V-0 level, a THR that is as low as 12.4 kJ / g, less flammable volatile matter at high temperatures, and a high degree of carbonization of residual carbon.

The invention discloses a reclaimed water reverse osmosis scale inhibitor and a preparation method thereof, the reclaimed water reverse osmosis scale inhibitor comprises a hyperbranched polymer formed by graft polymerization of maleic anhydride, maleic acid unsaturated ester and allyl ether, and the mass ratio of maleic anhydride to maleic acid unsaturated ester to allyl ether is (1-1.5): (0.5-1.0): (0.1-0.2). The scale inhibitor can be effectively applied to a reclaimed water reuse reverse osmosis system, calcium carbonate scale, silicon scale, calcium sulfate scale and other scales of the reverse osmosis system are greatly prevented and reduced, and the scale inhibitor is good in compatibility with aluminum ions and positive ion PAM, so that pollution and blockage of the reverse osmosis system are relieved.

This method for producing a fluoropolymer molded body includes heat-treating a molded body that contains a fluoropolymer and a fluorine-containing compound having a hydrophilic group at a temperature lower than the melting point of the fluoropolymer, thereby producing a molded body with the reduced content of the fluorine-containing compound having a hydrophilic group. The molded body contains a fluoropolymer containing at least one fluorine-containing ether monomer unit selected from the group consisting of perfluorovinyl ether units and perfluoroallyl ether units. The fluorine-containing compound having a hydrophilic group is a fluorine-containing compound represented by general formula: [C5F11COO-]M+ (where M+ represents a cation).

The utility model discloses a feeding device for producing pentaerythritol triallyl ether, and relates to the technical field of chemical production. The device comprises a bottom plate, a material box is arranged above an electric push rod, a conveying pipe is fixed to the bottom of the material box, a conveying motor is fixed to the left end of the conveying pipe, and a spiral blade is fixed to the outer portion of a rotating rod; a stirring motor is fixed in the middle of the upper wall of the stirring barrel; a fan is fixed on the upper side of the peripheral wall of the stirring barrel. The conveying pipe is inserted into the stirring barrel, raw materials are conveyed through rotation of the spiral blade, and the raw materials falling into the stirring barrel are dispersed under the action of airflow generated by the fan; the problems that in the prior art, vibration is generated during raw material conveying, part of raw materials drift away when the raw materials are separated from a feeding mechanism and move into a feeding hopper, the raw materials are wasted, the operation environment is polluted, the falling point is fixed after the raw materials enter a body, and the stirring efficiency during raw material stirring is reduced are solved.