40 results about "Detackifier" patented technology

To provide an easily openable composite film which has stable seal strength and high sealability, causes no knocking occurrence when opened, and causes no problem such as film remaining and film cleavage.SOLUTION: A composite film is formed by laminating a sealant layer, an adjacent layer, and an outer layer in this order. The sealant layer is composed of a composition comprising an antiblocking agent and a glycol-modified polyethylene terephthalate (PET-G). An amount of the antiblocking agent in the composition has a ratio of 10,000-50,000 mass ppm. The adjacent layer is composed of at least one modified polyolefin resin selected from an acid-modified polyethylene, an ethylene-methyl acrylate copolymer (EMA), or an ethylene-acrylic acid-maleic acid anhydride three component copolymer. The composite film exhibits an easily openable property due to sealing of the sealant layer to an adherend and releasing of the adjacent layer from the sealant layer.SELECTED DRAWING: None

The present application relates to a kind of water-based paint for leather surface waterproof, belong to coating technical field.The water-based paint is made of the following components: 80 parts polyether sulfone modified polyurethane-acrylate composite resin dispersion, 5 parts crosslinking agent polycarbodiimide, 10 parts anti-adhesive polydimethylsiloxane, 10 parts cosolvent dipropylene glycol methyl ether, 10 parts nano reinforcing material, 1.5 parts amino-terminated hyperbranched polyamide.Core resin dispersion is prepared by grafting onto polyurethane-acrylate skeleton through sulfonated polyether sulfone chemistry.The present application is prepared by unique resin chemical modification and nanocomposite technology, so that the obtained coating has excellent waterproofness, high adhesion, good mechanical strength and anti-aging property, especially suitable for high requirements such as automotive interior, furniture and other leather surface treatment, while meeting environmental protection requirements.

The invention relates to the technical field of chemical processes, in particular to an operation process for improving adhesion of a polymerization kettle, which comprises the following steps: S1, pretreating the surface of the polymerization kettle; s2, deoxidizing the system and controlling impurities; s3, spraying the composite anti-sticking kettle agent in stages; s4, dynamic liquid level control in the reaction process; s5, high-pressure water preliminary cleaning is carried out after polymerization is finished; s6, secondary atomization of steam at the bottom of the kettle; s7, making an intelligent kettle cleaning cycle decision; according to the invention, through integration of a plurality of technologies such as electrolytic polishing, nano coating, composite anti-sticking agent, dynamic liquid level control, high-pressure water preliminary cleaning, steam secondary atomization and intelligent kettle cleaning decision, the anti-sticking performance and cleaning efficiency of the polymerization kettle are obviously improved, and the composite anti-sticking agent staged spraying technology combines the durability of a base coat and the hydrophilicity of a top coat; the anti-sticking period is effectively prolonged, and the kettle bottom steam secondary atomization technology utilizes steam to activate the residual anti-sticking agent, so that the accurate cleaning of dead angle areas is realized.

The invention discloses a release film for foamed silica gel and a preparation method of the release film, and belongs to the technical field of release film preparation. The release film for the foamed silica gel comprises a base material layer and a release coating, the release coating comprises the following raw materials: polydimethylsiloxane resin, polytetrafluoroethylene resin, an organic solvent, a fluorine-containing solvent, a cross-linking agent, an anchoring agent, a catalyst, a stripping agent, an inhibitor and an anti-sticking agent; the cross-linking agent is prepared from the following raw materials: polymethylhydrosiloxane and polytetrafluoroethylene resin. The invention further discloses a preparation method of the release film for the foamed silica gel. The invention can solve the problems of difficult stripping and quality damage of the foamed silica gel caused by adhesion due to interpenetration of the silicon release film and the foamed silica gel, and has the advantages of simple formula and easiness in preparation and operation.

The utility model relates to the technical field of concrete conveying, and discloses a concrete production anti-sticking conveying device which comprises a conveyor and an anti-sticking agent storage tank, a conveying groove is formed in the conveyor, a first motor is fixedly installed on one side of the conveyor, a driving rod is fixedly installed on an output shaft of the first motor, and the anti-sticking agent storage tank is fixedly installed on the output shaft of the first motor. A spiral conveying blade is fixedly mounted on the driving rod, and two rotating rods are rotationally mounted on the inner wall of the conveying groove; according to the utility model, by starting the pump, a polymer lubricant solution stored in the anti-sticking agent storage tank is pumped into the hollow pipe through the conveying pipe, and the polymer lubricant solution is sprayed into the conveying groove through the plurality of spraying nozzles; a polymer lubricant solution is uniformly sprayed on the inner wall of the conveying groove, the spiral conveying blade and the surfaces of a plurality of stirring paddles on the two groups of rotating rods to form a layer of anti-sticking protective film, so that the adhesion with concrete in the subsequent process is reduced, the conveyor can be conveniently used next time, and the practicability of the conveyor is improved.

This invention provides a method for producing cellophane that can be made biodegradable by adding a cellulose molded material as an alternative raw material to PMMA. [Solution] The method includes a type I depolymerization step (S11) in which sodium hypochlorite is added to a cellulose raw material to reduce the degree of polymerization of the cellulose raw material; a mechanical defibration step (S12) in which the depolymerized cellulose obtained in the type I depolymerization step (S11) is defibrated by mechanical defibration; a type I molding step (S13) in which the type I unmodified cellulose fine fibers obtained in the mechanical defibration step (S12) are dried to form the cellulose molded body; and a film formation step in which the cellulose molded body is added to a cellophane raw material as a lubricant and / or an antiblocking agent to form a film.

An air-dry clay moldable and workable for sculptural applications, comprising a formulation of: (1) caulk or caulk base material and (2) a thickening agent and / or a detackifier in sufficient proportions to form a clay that can air dry to a substantially solid form at room temperature. The clay may include both a thickening agent and detackifier. The caulk or caulk base material comprises by weight percent: 40-90%, or 50-80%, or 60-75% of the formulated clay.

The invention relates to the field of packaging film materials, in particular to an anti-skid puncture-resistant transparent PE film for mattress packaging and a preparation method of the anti-skid puncture-resistant transparent PE film. The anti-slip puncture-resistant transparent PE film for mattress packaging is prepared from the following raw materials: matrix polyethylene resin, auxiliary resin, a functional polymer, an opening anti-sticking agent, a processing aid, an antioxidant, a composite functional agent and the like. The finally prepared PE film is reasonable in structure, and the puncture resistance and the waterproof corrosion resistance of the PE film can be remarkably improved on the premise that excellent mechanical performance and skid resistance are kept, so that the requirement for higher performance of the PE film in the existing mattress packaging field is met.

The present invention relates to the field of polymerization kettle wall coating equipment, and particularly to a PVC polymerization kettle wall coating device that is easy to discharge materials. A PVC polymerization kettle wall coating device described herein includes a main support and an annular soft sheet, etc.; the main support is connected to the annular soft sheet. In a PVC polymerization kettle wall coating device described herein, a bead pressing assembly presses the outer edge of the annular soft sheet to facilitate the normal operation of the rotary slag scraping mechanism. Subsequently, the bead pressing assembly leaves the annular soft sheet, and the annular soft sheet expands outwards. The annular soft sheet collects the anti-sticking agent ejected from the annular pipe in a ring-shaped storage structure, and the anti-sticking agent is evenly coated on the inner wall of the kettle in an overflow manner. It solves the technical problems that the anti-sticking agent remaining on the nozzle of the spraying mechanism is prone to form coagulation blocks, resulting in uneven wall coating during the next wall coating operation, and the conventional method of scraping residues on the inner wall of the polymerization kettle is prone to cause wear on the inner wall of the polymerization kettle, affecting the service life of the polymerization kettle.

The invention belongs to the technical field of ferrous metallurgy, and particularly relates to a method for preventing a cold pressing block from bursting and bonding in the carbonization process. The method comprises the following steps: mixing iron ore powder, bituminous coal, anthracite and an adhesive in proportion, heating, and carrying out cold press molding to prepare a cold press block; the method comprises the following steps: spraying a composite anti-sticking agent solution mainly comprising desulfurized gypsum and lignin on the surface of a cold-pressed block, sequentially heating in a nitrogen atmosphere, and carrying out multi-stage carbonization treatment to finally obtain a composite iron coke product. By optimizing the heating system and innovatively adopting the desulfurized gypsum-based composite anti-sticking agent, the problems of cracking and bonding of the cold-pressed block in the carbonization process are remarkably inhibited, the yield, the mechanical strength and the process efficiency are greatly improved, high-value utilization of industrial solid wastes is realized, and the method has the advantages that the raw materials are easy to obtain, the method is green and environment-friendly, the process is simple and convenient, and the like. And the practical application requirements of blast furnace ironmaking production are met.

The invention relates to the field of polypropylene materials, in particular to ternary copolymerized polypropylene resin as well as a preparation method and application thereof. The co-polypropylene resin comprises 97 to 99.6 parts by weight of a ternary random co-polypropylene resin base material, 0.1 to 0.3 part by weight of an antioxidant, 0.01 to 0.06 part by weight of a halogen absorbent, 0.1 to 0.3 part by weight of an anti-sticking agent and 0.1 to 0.2 part by weight of a slipping agent. The preparation method comprises the following steps: firstly mixing a part of the base material and the additive, preparing a mixture by a physical blending method or a melt blending method, adding the mixture into the residual base material, and after physical blending, feeding the mixture into an extruder for melt extrusion and granulation to obtain the ternary polypropylene random copolymer resin. The polypropylene resin has the characteristics of low initial melting temperature and melting point, excellent heat-sealing effect, high smoothness and the like, and is particularly suitable for improving the quality of special resin for low-temperature heat-sealing polypropylene.

A capsule having: a capsule shell having a capsule-shell composition; the capsule shell having at least one interior surface and at least one exterior surface; the at least one interior surface being a boundary of a first cavity within the capsule; the first cavity having a first-cavity total volume of space; a polymer-additive fill composition that occupies a portion of the first-cavity total volume of space; the polymer-additive fill composition including a polymer additive that is: a phosphite, a monophosphite, a hindered phenolic antioxidant, a hindered amine light stabilizer, a UV absorber, an antiblocking agent, a thioester, an antistatic agent, a slip agent, a fire retardant, a nucleating agent, an impact modifier, a blowing agent, a plasticizer, or a polymer processing aid; and the polymer-additive fill composition being a different composition than the capsule-shell composition.

The application discloses a kind of high light stain-resistant acrylic emulsion for water-based pigment and preparation method thereof, using butyl acrylate, methyl methacrylate, styrene, acrylic acid-2-ethylhexyl ester and acrylic acid as raw material, with reactive emulsifier, anionic emulsifier and non-ionic emulsifier as emulsification system, ammonium persulfate as initiator, add acrylamide, methyl methacrylate, ultraviolet light absorber, anti-adhesive agent, vinyl trimethoxysilane crosslinking monomer, using pre-emulsified semi-continuous seed emulsion core-shell polymerization process synthesis.The application uses reactive emulsifier, adopts core-shell polymerization technology, introduces organic silicon functional monomer, double crosslinking technology of internal crosslinking and functional crosslinking monomer, through particle control technology, to obtain high-performance acrylic emulsion for pigment with high gloss and gloss retention, high surface hardness and high stain resistance.

The purpose of the present invention is to provide a decorative material that achieves both excellent adhesion resistance and scratch resistance. A decorative material (1) according to one aspect of the present invention is provided with a first gloss adjustment layer (5) provided on the surface layer side, and a second gloss adjustment layer (6) provided on a portion of the first gloss adjustment layer (5). The first gloss adjustment layer (5) contains a gloss adjustment agent comprising a hydrophilic inorganic material and a silicone release agent having a reactive terminal. It is preferable that the reactive end of the silicone release agent having a reactive end has a hydroxyl group and / or an amino group. The second gloss adjustment layer (6) contains a silicone-based release agent having a reactive terminal, and the reactive terminal preferably has at least one of an acryloyl group and a methacryloyl group.

A capsule having: a capsule shell having a capsule-shell composition; the capsule shell having at least one interior surface and at least one exterior surface; the at least one interior surface being a boundary of a first cavity within the capsule; the first cavity having a first-cavity total volume of space; a polymer-additive fill composition that occupies a portion of the first-cavity total volume of space; the polymer-additive fill composition including a polymer additive that is: a phosphite, a monophosphite, a hindered phenolic antioxidant, a hindered amine light stabilizer, a UV absorber, an antiblocking agent, a thioester, an antistatic agent, a slip agent, a fire retardant, a nucleating agent, an impact modifier, a blowing agent, a plasticizer, or a polymer processing aid; and the polymer-additive fill composition being a different composition than the capsule-shell composition.

The invention belongs to the technical field of poly (propylene carbonate) production, and relates to a poly (propylene carbonate) granule processing device and method.The poly (propylene carbonate) granule processing device comprises a plurality of anti-sticking agent coating units running at intervals, a high-speed mixer, a first inlet, a second inlet and a third inlet; an inlet of the first anti-sticking agent regulating valve is connected with the first anti-sticking agent storage tank, and an outlet of the first anti-sticking agent regulating valve is connected with the first inlet; an inlet of the second anti-sticking agent discharging valve is connected with the second anti-sticking agent bin, and an outlet of the second anti-sticking agent discharging valve is connected with the second inlet; an inlet of the discharging valve is connected with the feeding rotary pump, the PPC particles are supplied to the discharging valve, and an outlet of the discharging valve is connected with the third inlet; and after the PPC granules and the No.1 anti-sticking agent are added into the high-speed mixer for a specific time, the No.2 anti-sticking agent is added again. The anti-sticking agent has the advantage that a uniform and stable anti-sticking effect can be formed outside the PPC granules by adopting layered synergistic coating.

The invention discloses a preparation technology of easy-to-tear release paper. The preparation technology comprises the following steps of base material pretreatment, anti-sticking layer coating, local functional printing, synergistic curing, post-treatment and rolling. According to the preparation process of the easy-to-tear release paper, provided by the invention, the precise regionalization regulation and control of the anti-sticking performance are realized. According to the invention, special printing ink which is chemically incompatible with a silicone anti-sticking agent or can locally inhibit the curing of the silicone anti-sticking agent is specifically used for pattern printing on the anti-sticking layer which is not completely cured, so that a preset easy-to-tear opening pattern can be accurately constructed on the anti-sticking layer. After subsequent synergistic curing, the anti-sticking performance of the region is selectively weakened or damaged, and a remarkable stripping force difference is formed between the region and a surrounding completely-cured anti-sticking region. And due to the difference, a user or equipment can easily trigger and complete tearing along a preset path under extremely low acting force, so that the use convenience and the uniformity of a tearing opening are greatly improved.

Cosmetic compositions useful intended for use in cosmetics and personal care formulations are disclosed. The cosmetic compositions include a micronized, substantially uniform powder mixture of a ferment containing a polyhydroxyalkanoate such as polyhydroxybutyrate and an amino acid derivative such as the lysine derivative N6-lauroyl-L-lysine. The cosmetic powder compositions can be intermediates that enhance the textural profile of cosmetics providing sensorial improvement, and / or soft-focus effects, line blurring effects by filling unevenness in the skin, making it appear smoother with less skin imperfections and wrinkles. The powder-based compositions can serve as detackifiers and / or viscosity modifiers due to its ability to absorb oil. The powder provides formulation options for cosmetics and personal care formulas prepared from biobased and biodegradable materials. Methods of preparing the powder compositions, as well as cosmetics containing the composition are also disclosed.

The invention discloses an anti-aging and anti-sticking master batch for blow molding PE and a preparation method thereof, the anti-aging and anti-sticking master batch comprises the following components by weight: 40%-60% of carrier resin, 15%-33% of a filler, 1%-2.2% of a plasticizer, 3%-6.25% of an anti-aging agent, 1.8%-5.85% of an anti-sticking agent, 1.4%-1.8% of a coloring agent, 2%-3.6% of a light stabilizer, and 5%-9% of an antistatic agent, the filler is at least one of phenolic resin, glass fiber, hydroquinone and carbon powder, the plasticizer is at least one of diheptyl phthalate and dioctyl phthalate, the anti-aging agent is at least one of benzenediol, coke black and titanium dioxide, the anti-sticking agent is at least one of talcum powder and nano silicon wax, and the filler is at least one of dioctyl phthalate and dioctyl phthalate. The light stabilizer is at least one of zinc oxide and ascorbate. The invention relates to the technical field of master batches. According to the anti-aging master batch disclosed by the invention, through overall mutual cooperation, the application strength of the master batch can be ensured, the overall anti-aging performance also can be considered, and the service life of a finished product of a master batch product is greatly ensured.

A multilayer film for an ostomy pouch includes a barrier layer that is substantially impermeable to malodor causing compounds and arranged between outer layers. Each of the outer layers is formed from a polymeric mixture comprising about 90 wt. % to about 99 wt. % of a polar polymer and about 1 wt. % to about 10 wt. % of a slip agent and / or an anti-block agent, wherein the polymeric mixture is free of a non-polar polymer.

The invention relates to the technical field of concrete release agents, and discloses a release agent for an efficient release machine and a preparation method of the release agent. 15%-25% of coconut oil; 10%-20% of light mineral oil; 25%-35% of water-based acrylic resin; 5%-10% of cellulose acetate; 3%-8% of tea seed powder; 5%-10% of shellac; the palm oil, the coconut oil and the water-based acrylic resin are added into the raw materials, the palm oil, the coconut oil and the water-based acrylic resin are combined, so that a good demolding effect can be guaranteed, the water resistance of the demolding agent can be improved, and the shellac and the nanoscale mica powder serve as anti-sticking agents, so that the surface of a mold is easier to clean; the problem that cleaning is not easy after use can be solved, modular design is adopted in the preparation process, formula adjustment is more flexible, the component proportion of a certain module can be rapidly adjusted according to specific requirements, and therefore the problem that formula adjustment is complex is solved.

Cosmetic compositions useful intended for use in cosmetics and personal care formulations are disclosed. The cosmetic compositions include a micronized, substantially uniform powder mixture of a ferment containing a polyhydroxyalkanoate such as polyhydroxybutyrate and an amino acid derivative such as the lysine derivative N6-lauroyl-L-lysine. The cosmetic powder compositions can be intermediates that enhance the textural profile of cosmetics providing sensorial improvement, and / or soft-focus effects, line blurring effects by filling unevenness in the skin, making it appear smoother with less skin imperfections and wrinkles. The powder-based compositions can serve as detackifiers and / or viscosity modifiers due to its ability to absorb oil. The powder provides formulation options for cosmetics and personal care formulas prepared from biobased and biodegradable materials. Methods of preparing the powder compositions, as well as cosmetics containing the composition are also disclosed.

The invention belongs to the technical field of silicon sludge processing, and particularly relates to silicon sludge material conveying equipment which comprises a conveying frame, a plurality of chain wheels are rotationally connected to the top end of the conveying frame through a connecting plate, a rotating assembly is installed on one side of the connecting plate of the conveying frame, the multiple chain wheels are sleeved with two sets of chains, and a plurality of material conveying boxes are arranged on the outer sides of the chains at equal intervals. A pushing plate is slidably connected into the conveying box, a first telescopic column is fixed to the bottom end of the pushing plate, a second supporting frame is fixed to the side, away from the rotating assembly, of the top end of the conveying frame, a supporting plate is fixed to one side of the second supporting frame, and a first arc face is arranged on one side of the top end of the supporting plate. The surface of the material conveying box and the surface of the material pushing plate are coated with an anti-sticking agent through the first brush cotton and the second brush cotton, the situation that part of silicon sludge is attached to the interior of the material conveying box and the interior of the material pushing plate when the silicon sludge is discharged from the interior of the material conveying box can be prevented, coating is conducted after each time of use, and therefore the silicon sludge can be conveyed more conveniently.

To provide an aqueous dispersion composition including an ethylene-carboxylic acid copolymer having improved adhesive reliability.SOLUTION: There is provided an aqueous dispersion composition comprises: an ethylene-carboxylic acid copolymer having a degree of neutralization of 40 to 100%; an anti-blocking agent containing a polymer wax which is contained in an amount of 5 weight% to 10 weight% on the basis of the weight of the ethylene-carboxylic acid copolymer, and has a peak area of 50% or more at a melting point of 80°C or lower on a differential scanning calorimetry (DSC) curve; an aqueous dispersion medium; and a neutralizing agent. While supplying nitrogen as a purge gas at a flow rate of 50 mL / min, the temperature of an anti-blocking agent is raised in a range from -50°C to 180°C (a first temperature increase section) at rate of 10°C / min and then maintained isothermal at 180°C for 1 minute. Thereafter, the anti-blocking agent is crystallized by being cooled from 180°C to -50°C at a rate of 10°C / min. The temperature is raised from -50°C to 180°C (a second temperature increase section) at a rate of 10°C / min, and temperatures of melting peaks occurring in the second temperature increase section are measured, and a ratio of a peak area of 80°C or lower on a differential scanning calorimetry curve is calculated.SELECTED DRAWING: None

The invention relates to the field of concrete processing and mechanical equipment, in particular to an efficient anti-sticking agent applied to concrete mechanical equipment as well as a preparation method and application of the efficient anti-sticking agent. According to the preparation method, a polyacrylate coating is taken as a matrix, the coating is endowed with certain hydrophobic property by introducing a fluorine-containing functional monomer and a silane coupling agent, and the hardness and alkali resistance of the coating are further improved by introducing a rigid styrene monomer, so that the efficient anti-sticking agent with good hydrophobic property and excellent alkali resistance and wear resistance is prepared. A uniform coating can be formed when the coating is sprayed on the inner wall of a tank body of concrete mechanical equipment, the hydrophobicity of the metal inner wall can be effectively improved, residues of concrete materials after discharging are reduced, and the problems that due to excessive material residues, concrete mixing is uneven, and the yield and performance are reduced are solved; meanwhile, due to the existence of the coating, corrosion and abrasion of materials to the interior of the tank body in the concrete slurry mixing and transporting process can be reduced.

The invention relates to the field of concrete processing and mechanical equipment, in particular to an epoxy resin-based concrete anti-sticking agent as well as a preparation method and application thereof. The preparation method of the epoxy resin-based concrete anti-sticking agent comprises the following steps: dissolving epoxy resin in a diluent to obtain an epoxy resin solution; adding inorganic nanoparticles and a silane coupling agent into the epoxy resin solution, and uniformly dispersing to obtain an epoxy resin base solution; dissolving a curing agent in a diluent to obtain a curing agent solution; and uniformly mixing the epoxy resin-based liquid with the curing agent solution to obtain the epoxy resin-based concrete anti-sticking agent. The preparation process is simple and easy to operate, wide in engineering raw material source and easy for large-scale production and engineering application. The hydrophobic property and the wear resistance of the surface of concrete mechanical equipment or a concrete prefabricated part can be improved by using the epoxy resin-based concrete anti-sticking agent disclosed by the invention.

Provided is a thermosensitive recording body that comprises a heat-seal layer on one surface thereof, and a topcoat layer on the other surface thereof, and that exhibits high adhesion when the heat-seal layer and the topcoat layer are heat-sealed, resulting in excellent heat sealability.　A thermosensitive recording body (1) comprises: a heat-seal layer (2) containing an anti-blocking agent; and a topcoat layer (9) containing a lubricant. The thermosensitive recording body (1) comprises the heat seal layer (2) on one surface thereof, and the topcoat layer (9) on the other surface thereof. The anti-blocking agent contains the same component as that of the lubricant, and the ratio [the average particle size of the anti-blocking agent / the thickness of the heat-seal layer (2)] of the average particle size of the anti-blocking agent to the thickness of the heat-seal layer (2) is at least 0.5.

The invention relates to the technical field of copper-clad plate production, and provides copper-clad plate production equipment which comprises a workbench, a first roller is connected to one side of the top end of the workbench, and a second roller is arranged at the position, located on one side of the first roller, of the top end of the workbench. A first smearing assembly is arranged at the top end of the workbench and located on the side, away from the first roller, of the second roller. A second motor is started to drive a lead screw to rotate, the lead screw drives a leveling plate to move, after the leveling plate moves to the middle, an extrusion head extrudes a protruding block, the protruding block pushes a sealing plate to move upwards and pulls a first spring, and after the sealing plate is separated from a flow guide plate, an anti-sticking agent in a liquid storage box enters the top end of a brush plate in a frame along the flow guide plate; and the pressing roller rotates to be in contact with the brush, and the brush sweeps and carries the anti-sticking agent to smear the pressing roller, so that in the rolling process, the situation that the resin is adhered to the pressing roller, so that the resin of the glass fiber cloth layer for the copper-clad plate is separated, and production is influenced is avoided.

The invention belongs to the technical field of release film preparation, and particularly relates to an antistatic release film and a preparation method thereof. The preparation method comprises the following steps: coating an antistatic agent on the upper and lower surfaces of a PET (Polyethylene Terephthalate) base material, drying, carrying out ultraviolet irradiation treatment to obtain a pretreated base material, coating a release agent on the upper and lower surfaces of the pretreated base material, and drying to obtain the antistatic release film. The antistatic agent is prepared from a performance additive, a modified polymer, azodiisobutyronitrile, cyclohexanone and acetone according to a weight part ratio of (20-25): (60-80): (0.2-0.5): (40-50): (40-50), and the release agent is prepared from an anti-sticking agent, silicone oil, an anchoring agent, a hydrosilylation catalyst, anti-sticking powder, a hydrogen-containing cross-linking agent and methylbenzene according to a weight part ratio of (60-80): (2-4): (1-2): (3-4): (1-2): (3-4): (80-100). The release film prepared by the invention has good antistatic performance and low viscosity.

The invention discloses a preparation method of anti-yellowing butadiene rubber. The anti-yellowing butadiene rubber is prepared from the following raw materials in parts by weight: 100 parts of butadiene of which the mass fraction is greater than or equal to 99.0%, 100 parts of normal hexane, 5-20 parts of a reaction catalyst, 3-10 parts of an antioxidant, 10-20 parts of an anti-sticking agent and 5-15 parts of an anti-yellowing aid. Butadiene is used as a main raw material, butadiene rubber is prepared through a multi-kettle coordination anionic solution polymerization process, an antioxidant is added for polymerization to obtain a butadiene rubber solution, the butadiene rubber solution is coagulated to obtain a butadiene rubber solution, and an anti-sticking agent and an anti-yellowing auxiliary agent are added for a coagulation reaction. And dehydrating, drying and extruding the water-carrying colloidal particles to obtain the yellowing-resistant butadiene rubber finished product. The preparation method disclosed by the invention is simple to operate and has good economical efficiency. According to the prepared butadiene rubber, the yellow index of the material is reduced from 21.0 to 10.0 or below, and the oxidation induction time is prolonged from 7.9 min to 20.0 min or above.