718 results about "Polybutadiene" patented technology

The invention discloses a toughened epoxy resin and a curing method thereof, and relates to the technical field of epoxy resins, the toughened epoxy resin comprises the following components: 100 parts of an epoxy resin matrix, specifically a mixture of bisphenol A epoxy resin and alicyclic epoxy resin, 5-35 parts of a composite amine curing agent, and 5-20 parts of a nano toughening agent, in particular to core-shell rubber particles grafted with epoxy groups on the surfaces, the core layer of each core-shell rubber particle is cross-linked polybutadiene, the shell layer of each core-shell rubber particle is polymethyl methacrylate, 0.5-3 parts of an accelerant comprising a bi-component synergistic accelerant, 1-5 parts of an interface enhancer, and a mixture of gamma-glycidyl ether oxypropyl trimethoxy silane and a titanate coupling agent, a bisphenol A type epoxy resin and a specific proportion of alicyclic epoxy resin are combined to construct an epoxy resin matrix according to a mass ratio of 2: 1, the epoxy resin matrix is matched with a composite amine curing agent prepared by carrying out a special three-step reaction on long-chain polyether diamine, aromatic diamine and anhydride, and key parameters such as molecular weight, functionality and molar ratio of the components are accurately regulated and controlled.

The present invention relates to the technical field of regenerated plastics, and in particular relates to a flame-retardant regenerated plastic and a preparation method therefor. The regenerated plastic comprises the following specific components: 90-100 parts of regenerated high-density polyethylene, 5-10 parts of high-density polyethylene, 1-2 parts of calcium stearate, 1-2 parts of carbon black, 8-12 parts of maleic-anhydride-grafted polyethylene, 2-3 parts of an antioxidant, and 6-8 parts of a polyurethane elastomer. The regenerated high-density polyethylene is used as a main material, the high-density polyethylene is added thereto, the maleic-anhydride-grafted polyethylene is used as a compatibilizer, and then polyhydroxy polybutadiene, epoxidized hydroxyl-terminated polybutadiene and polypropylene oxide glycol are compounded and react with diphenylmethane diisocyanate to generate a polyurethane elastomer, thereby toughening the regenerated polyethylene; moreover, a flame-retardant effect is achieved by means of the synergy of phosphorus and nitrogen; therefore, a regenerated polyethylene plastic with high tensile strength and good flame-retardant performance is prepared. The regenerated plastic can be widely used in a plurality of fields, and has a relatively high level of practicability.

The invention relates to an epoxy core-shell polymer particle and resin, a preparation method of the epoxy core-shell polymer particle and resin and application of the epoxy core-shell polymer particle and resin to epoxy resin. The preparation method of the epoxy core-shell polymer particle comprises the following steps: heating and mixing a polybutadiene seed emulsion, a reducing agent, an emulsifier and the like; adding methyl methacrylate and an initiator, and glycidyl methacrylate and an initiator, and heating to react; compared with the prior art, the core-shell particle with the outer layer of the synthesized shell containing the epoxy group can be used for toughening the epoxy resin, so that the toughness of the epoxy resin is effectively improved while the excellent heat resistance and mechanical properties of the epoxy resin are maintained.

Golf balls having core formulations including polybutadiene, butyl rubber, or a blend thereof, and low surface coverage dimple patterns are disclosed. The combination of low surface coverage with particular rubber formulations helps to reduce the flight of the ball while also providing improved aerodynamic consistency and maintaining the appearance of a high-performance trajectory.

The present invention provides an electrolyte-resistant hot melt tape, which comprises a PET substrate and a rubber hot melt adhesive layer coated on its surface. The rubber hot melt adhesive layer comprises the following components in parts by weight: 60-160 parts of styrene-butadiene rubber, 10-40 parts of maleic anhydride-modified polyolefin, 1-5 parts of epoxy curing agent, 10-40 parts of hydroxyl-terminated liquid polybutadiene, 1-5 parts of polyisocyanate curing agent, and 20-60 parts of rosin tackifying resin. The rubber hot melt adhesive layer of the electrolyte-resistant hot melt tape is tightly compounded with the polar PET substrate. At the same time, the moderate cross-linking between the components of the rubber hot melt adhesive layer can reduce the infiltration of the electrolyte, so that the electrolyte-resistant hot melt tape has excellent bonding strength before and after being immersed in the electrolyte, does not bubble or delaminate, improves the passing rate of the battery drop test, meets the requirements of the lithium battery industry for tape products, and improves the battery safety factor.

The invention belongs to the field of UV glue, and relates to UV ink-jet glue as well as a preparation method and application thereof. The UV ink-jet glue contains an acrylate monomer, a hydrogenated polybutadiene modified acrylate oligomer, an anhydride modified acrylate oligomer, an adhesion promoter, a photoinitiator and an optional auxiliary agent, wherein the acrylate monomer at least contains an allyl hydrogen-containing acrylate monomer. The UV ink-jet glue provided by the invention is low in viscosity, can be applied to each position of a battery cell shell in an ink-jet manner, and after being irradiated and cured by a specific UV light source, double bonds in wet glue react, molecular chains capable of freely moving are mutually cross-linked and combined, the curing speed is high, the surface hardness is high, and the liquid glue is cured into a solid glue film; the adhesive film has extremely strong environmental aging resistance (salt mist resistance, heat and humidity resistance and the like) and electrolyte resistance effects, and can meet the application requirements of power batteries and energy storage batteries at the present stage.

The invention belongs to the technical field of packaging materials, and discloses a high-temperature-resistant heat-seal straw-pluggable easy-to-tear cover and a preparation method thereof.The body comprises a PET layer, a blocking layer and a PE layer which are sequentially compounded from outside to inside, the blocking layer is an AL layer, laser invisible pre-scribed lines are arranged on the easy-to-tear cover, the laser invisible pre-scribed lines only penetrate through the PET layer and the blocking layer and do not penetrate through the PE layer, the thickness of the PET layer ranges from 12 micrometers to 20 micrometers, and the thickness of the PE layer ranges from 12 micrometers to 20 micrometers. The barrier layer is an AL layer, the thickness of the AL layer is 7-12 microns, the thickness of the PE layer is 40-60 microns, and the PET layer is prepared from the following raw materials in parts by weight: 80-95 parts of PET resin, 5-10 parts of composite modified nano silicon dioxide, 3-6 parts of a heat stabilizer and 0.5-2 parts of a lubricant; the composite modified nano silicon dioxide is maleic anhydride grafted polybutadiene composite modified nano silicon dioxide, and the composite modified nano silicon dioxide is uniformly dispersed in a PET matrix by virtue of good compatibility with PET resin, so that the overall toughness and heat sealability of the easy-to-tear cover are remarkably enhanced.

The invention discloses a two-component polyurethane pouring sealant as well as a preparation method and application thereof, and relates to the technical field of adhesives. The bi-component polyurethane pouring sealant comprises a component A and a component B, wherein the component A is prepared from 10 to 90 parts of acryloyloxy-terminated polyether polyol, 10 to 60 parts of polyester polyol, 10 to 20 parts of hydroxyl-terminated polybutadiene prepolymer and 1 to 2 parts of an initiator; and the component B comprises 30-70 parts of isocyanate and 5-20 parts of a catalyst. According to the technical scheme, the acrylic acid chain segment is added into the polyether polyol, so that the mechanical strength is favorably improved, and meanwhile, the light transmittance is also improved; by adding the polyolefin prepolymer, the air tightness is further enhanced, and meanwhile, the yellowing resistance is also improved. The bi-component polyurethane pouring sealant disclosed by the invention has good light transmission, high-temperature and high-humidity resistance, yellowing resistance and high-temperature and high-humidity resistance, and can be used for packaging MINI LED screens.

The invention relates to the technical field of layered materials, and discloses a low-temperature-resistant polyurethane transfer film and a preparation method thereof. The multi-layer structure heat transfer film with a glue layer and a polyurethane-based transfer layer is prepared, and a photo-curing transfer layer material containing polyurethane acrylate containing polyether, polybutadiene blocks and organic silicon branched chains with good low-temperature resistance and sulfhydrylation graphene oxide with excellent far infrared performance is prepared; the low temperature resistance and the water resistance of the heat transfer film are effectively improved.

The invention belongs to the technical field of RAP recycled asphalt mixtures, and particularly relates to a high-dosage RAP recycled asphalt mixture for alpine regions and a preparation method of the high-dosage RAP recycled asphalt mixture. The high-dosage RAP recycled asphalt mixture for the alpine region is characterized by comprising the following components in percentage by mass: 50-60% of RAP, 3-6% of mineral powder, 1-3% of new asphalt, 1-2% of a composite regenerant, 1-2% of a modifier and the balance of a new aggregate, the composite regenerant is composed of pine tar, plant-based epoxy ester oil, cashew nut shell oil and a penetrant. The modifier is prepared from regenerated low-density polyvinyl chloride, hyperbranched epoxy resin and liquid polybutadiene rubber coated waste rubber powder. According to the technical scheme provided by the invention, the technical problems of poor low-temperature performance, water stability and freeze-thaw cycle stability when a high-dosage RAP recycled asphalt mixture is used in an alpine region are solved.

The invention discloses a copper-clad plate material containing elastomer resin and a preparation method of the copper-clad plate material, and belongs to the technical field of new materials. The method comprises the following steps: mixing a styrene-butadiene-styrene block copolymer with polybutadiene rubber, adding nano-montmorillonite, and carrying out intercalation modification through hexadecyl trimethyl ammonium bromide to prepare nano-modified elastomer resin; the preparation method comprises the following steps: mixing polybutylene terephthalate with nano silicon dioxide, and carrying out surface modification by gamma-aminopropyltriethoxysilane and hexamethyldisilazane to obtain a resin matrix; mixing the two phases, adding citric acid, and carrying out microwave heating and high-shear dispersion to obtain a discrete material; carrying out hot pressing on the dispersion, adding polyurethane and polylactic acid, uniformly mixing, adding polydimethylsiloxane and sodium dodecyl benzene sulfonate, and curing to obtain a cured product; and coating the surface of the cured product with a nano-copper layer. The material has the characteristics of high peel strength, low dielectric loss, low water absorption and low thermal expansion, and is suitable for the field of high-speed low-loss copper-clad plates.

The invention discloses a high-strength, low-temperature-resistant and aging-resistant polymer rubber material and a preparation method thereof in the technical field of rubber materials. The high-strength, low-temperature-resistant and aging-resistant polymer rubber material comprises the following components in parts by weight: 100-120 parts of a rubber matrix, 44-62.5 parts of an interface auxiliary agent, 8-15 parts of a vulcanization system, 4-5 parts of a protection system and 8-12 parts of a toughening agent. According to the invention, a multi-component synergistic system is constructed by the multifunctional reinforcer, amino-terminated polysiloxane, amino-terminated polybutadiene and epoxidized soybean oil, and meanwhile, a carbon black / Si-69 interface assistant and a protection / vulcanization system are optimized, so that the synergistic improvement of mechanical properties, low temperature resistance and aging resistance is achieved; the technical problems that traditional rubber is single, excellent in performance and unbalanced in comprehensive performance are solved.

The invention discloses polybutadiene latex, a preparation method thereof and transparent ABS (Acrylonitrile Butadiene Styrene) resin. In the preparation process of the polybutadiene latex, the emulsifier is additionally added at a relatively high conversion rate to promote the reaction to generate part of latex particles with small particle sizes. When the latex prepared by the method is used for further preparing the transparent ABS resin, since the latex with the particle size of 30-70nm has a rayleigh scattering effect to a certain extent, a small amount of blue light can be scattered, so that the yellow index of the resin is reduced, and the prepared transparent ABS has better hue.

The low-VOC modified melamine formaldehyde resin is prepared from the following components in parts by weight: 80 to 100 parts of melamine formaldehyde resin, 5 to 10 parts of hydroxyl-terminated hyperbranched polyester, 8 to 15 parts of epoxy-terminated polybutadiene, 1 to 3 parts of fumed silica, 5 to 15 parts of polyvinyl butyral, 0.1 to 0.2 part of a coupling agent, 1 to 3 parts of a catalyst and 2 to 5 parts of a cross-linking agent, the preparation method comprises the following steps: in a stirring state, adding hydroxyl-terminated hyperbranched polyester, epoxy-terminated polybutadiene, a polyvinyl butyral resin solution and coupling agent modified fumed silica into a melamino-formaldehyde resin solution, heating to 50-70 DEG C, and adding a catalyst and a cross-linking agent; the melamine modified resin prepared by the components and the preparation method has the characteristics of low formaldehyde volatilization, high toughness and durability.

The invention provides a flexible switching production method and equipment for low cis-polybutadiene rubber (LCBR), solution polymerized styrene-butadiene rubber (SSBR) and hydroxyl-terminated liquid polybutadiene rubber (HTPB), the flexible switching production equipment comprises an initiator production device and a polymerization unit, and the flexible switching production method comprises the following steps: mixing cyclohexane and n-hexane according to a volume ratio of 6.5: 3.5-7: 3, adding an initiator, and stirring to obtain a mixture; forming a mixed solvent; the method comprises the following steps: adding a monomer, an active agent, an initiator and a mixed solvent into a polymerization kettle 31 of a polymerization unit, and carrying out polymerization reaction to obtain a low-cis-polybutadiene, solution polymerized styrene-butadiene or hydroxyl-terminated liquid polybutadiene rubber solution; a novel protection initiator tert-butyl dimethyl siloxy propyl sodium is designed, and hydroxyl-terminated liquid polybutadiene rubber with a controllable structure is prepared through anionic living polymerization. According to the process, shutdown for kettle cleaning is not needed, the low cis-polybutadiene, the solution polymerized styrene-butadiene and the hydroxyl-terminated liquid polybutadiene rubber can be produced on the same polymerization device in a flexible switching manner, and the overall production efficiency is improved.

The application discloses a kind of solution polybutadiene rubber particle conveying devices, it is related to conveying technical field, including belt conveyor, and belt conveyor is provided with distributing device and discharging device, and discharging device is located above distributing device, discharging device can quantitatively release rubber particles, and the discharge port of discharging device is provided with multilayer mouth structure, and the outside of multilayer mouth structure is connected with multidirectional traction structure, the present application is quantitatively filled with rubber particles by discharging device and releases, and the released rubber particles are layered and buffered by multilayer mouth structure Release, avoid the direct impact of rubber particles on belt conveyor, resulting in ejection to outside, reduce the waste of rubber particles, and the width of internal communication of multilayer mouth structure is expanded by multidirectional traction structure traction, so that the width of internal communication of multilayer mouth structure is larger, so as to avoid the blockage of rubber particles on discharging device and multilayer mouth structure.

The invention relates to the technical field of composite materials, and discloses a PVC composite material with an antibacterial function and a preparation method thereof.The composite material is prepared by taking polyvinyl chloride as a base material and a bamboo fiber modified material and the like as auxiliary materials through mixing and extrusion granulation processes. Wherein the bamboo fiber modified material is prepared by simultaneously modifying a quaternary ammonium salt cationic antibacterial agent and macromolecular polybutadiene on the surface of bamboo fiber, and the bamboo fiber exists in the composite material in a physical core manner, so that the polyvinyl chloride can be reinforced and toughened; the existence of the quaternary ammonium salt cationic antibacterial agent can endow the composite material with good antibacterial performance, and the bamboo fibers are limited in a cross-linked network, so that a confinement effect can be generated on the antibacterial agent, the problems of migration, precipitation and the like of the antibacterial agent can be avoided, and the long-acting antibacterial performance of the composite material is guaranteed.

The invention provides a soap-free high-molecular agglomerant as well as a preparation method and application thereof. The soap-free high-molecular agglomerant contains an oligomer, the molecular structure of the oligomer contains a hydrophilic group and an oleophylic group; the weight-average molecular weight of the oligomer is 300 to 5000; the hydrophilic group comprises an amide group and / or carboxyl. According to the invention, the soap-free high-molecular agglomerant has a good agglomeration effect, large-particle-size polybutadiene latex can be obtained through agglomeration, and the high-molecular agglomerant does not contain an emulsifier, so that the introduction of excessive emulsifier in the preparation process of an ABS graft polymer is avoided; the ABS latex coagulation efficiency is improved, the impact resistance of the ABS resin is improved, and the yellow index of the ABS resin is reduced.

To provide a hydrogenated copolymer capable of achieving superior processability and fuel-saving performance when formulated into a resin composition, while exhibiting excellent handling properties when used alone.SOLUTION: A hydrogenated copolymer comprises: a hydrogenated block copolymer (X) having at least one polybutadiene block (A) with a vinyl group content of 20 mass% or less; and a polymer (Y) including structural units derived from an aromatic vinyl compound and / or structural units derived from a conjugated diene compound, wherein the ratio of the number average molecular weight of the hydrogenated block copolymer (X) to the number average molecular weight of the polymer (Y) is 2.5 or more and 30 or less.SELECTED DRAWING: None

The invention relates to the technical field of composite materials, in particular to an epoxy resin composition, a carbon fiber composite material composition and a carbon fiber composite.The composition is prepared from, by weight, 100 parts of liquid epoxy resin, 50-110 parts of curing agent, 5-30 parts of diluent, 5-20 parts of core-shell flexibilizer, 1-10 parts of filler, 1-10 parts of coupling agent and 1-10 parts of release agent; the core of the core-shell toughening agent is polybutadiene, the shell of the core-shell toughening agent is a polyacrylate polymer, and the cores and the shells are connected through a homopolymer or a copolymer of a grafted monomer; the grafting monomer is selected from one or more of styrene and acrylate monomers; the particle size of the core-shell toughening agent is 116-120 nm, and the diameter of the core structure is 100-110 nm.

The present invention provides an acrylate composition containing a BMI resin and a use. A conductive silver adhesive is obtained by using a liquid BMI resin with maleimide as a terminal group and maleic anhydride grafted polybutadiene as oligomers, combining with monofunctional and bifunctional acrylate monomers, a peroxide initiator, a silane coupling agent and silver powder, and fully and uniformly dispersing same, and the conductive silver adhesive can be rapidly cured under the mild condition of 120°C×30 min, so as to achieve low-temperature rapid curing. In addition, a cured product obtained by the acrylate composition of the BMI resin and the maleic anhydride grafted polybutadiene has low volume resistivity, low thrust at normal temperature (23°C), good failure surface, good bonding strength at a high temperature (300°C) and good reflow soldering resistance. The acrylate composition can be applied to semiconductor device packaging, especially IC chip mounting.

The present invention relates to a debondable solvent-borne pressure sensitive adhesive composition comprising a) a (meth)acrylate co-polymer formed from the monomers selected from the group consisting of ethyl (meth)acrylate, methyl acrylate, butyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, 3-epoxypropyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, hydrogenated polybutadiene(meth)acrylate, glacial acrylic acid, vinyl acetate, and mixtures thereof; b) an electrolyte selected from the group consisting of 1-butyl-3-methylimidazolium bis(trifluoromethylsolfonyl)imide, 1-ethyl-3-vinylimidazolium methanesulfonate, 1-dodecyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, tributyl(ethyl) phosphonium diethyl phosphate, trihexyltetradecylphosphonium bis(trifluoromethylsulfonyl)amide and mixtures thereof; c) a cross-linker; and d) a solvent.

The invention discloses a composite coating diaphragm and a preparation method thereof and a secondary battery, the composite coating diaphragm comprises a base membrane and a composite functional coating compounded on the surface of the base membrane, the composite functional coating comprises a first functional coating relatively close to the base membrane and a second functional coating relatively far away from the base membrane, the porosity of the first functional coating is smaller than that of the second functional coating, and the raw material components of the first functional coating comprise modified nanocellulose obtained by double-grafting cis-1, 4-polybutadiene and polyethylene glycol chain segments and gas-phase aluminum oxide. By constructing a diaphragm coating with a gradient pore structure and combining an advanced material modification technology, the composite coating diaphragm integrates high thermal stability, excellent electrolyte wettability and low-temperature adaptability, and can still keep stable structure and interface characteristics under an extreme temperature working condition; therefore, the method has good expandability and industrial application prospects, and is suitable for development and application requirements of high-performance lithium ion batteries and next-generation energy storage devices.

A tire comprising a rubber composition comprising, based on 100 parts per weight elastomer, a silane-coupled carbon nanotube (CNT) in a polybutadiene masterbatch. The rubber composition further comprises a first elastomer mixed with the masterbatch. The first elastomer can be the same as or different from the polybutadiene in the masterbatch. The rubber composition optionally comprises a second elastomer mixed with the masterbatch. A total elastomer in the rubber composition comprises from about 25 phr to about 75 phr of polybutadiene and from about 25 to about 75 phr of at least the first or second elastomer.

The invention belongs to the technical field of electronic materials, and relates to a low-dielectric resin glue solution for a high-frequency high-speed copper-clad plate as well as a preparation method and application thereof, and the low-dielectric resin glue solution for the high-frequency high-speed copper-clad plate comprises the following components in parts by weight: 100 parts of a resin component, 2-4 parts of a compatibilizer, 2.5-4.5 parts of a curing system, 0.6-1.3 parts of an initiator, 55-80 parts of a filler and 1.1-2.3 parts of an auxiliary agent. By introducing a ternary interpenetrating network of the polybutylbenzene resin, the polyimide and the allyl-terminated modified polyphenyl ether, a resin compounding system is optimized; the copper-clad plate with the comprehensive performance of ultralow dielectric constant, ultralow dielectric loss, high peel strength and low Z-axis thermal expansion coefficient is realized by adopting double-initiator gradient curing, filler compounding dispersion and low-dielectric glass fabric-HVLP copper foil synergistic interface treatment; the method is suitable for high-frequency scenes such as 5G communication base stations and millimeter wave radars.

A thermosetting composition for injection molding comprising: (A) a compound represented by the following formula (A2) or (A3), and (B) a thermal polymerization initiator; wherein the composition further comprises no (G) titanium oxide or comprises (G) titanium oxide, when the composition comprises the component (G), the content of the component (G) is 5 parts by mass or less, based on a total of 100 parts by mass of components other than the component (B) and the component (C); and the composition comprises no polybutadiene di(meth)acrylate:

The invention discloses a rubber compound for manufacturing a medical sealing element and a preparation method of the rubber compound, and relates to the technical field of rubber. The rubber compound for manufacturing the medical sealing element is prepared by mixing the rubber composition, the composite modifier and the like; the rubber composition comprises chlorinated polyethylene rubber, isoprene rubber and modified liquid fluororubber, and the modified liquid fluororubber is prepared by reacting carboxyl-terminated liquid fluororubber with an isocyanate-terminated epoxy prepolymer. The isocyanate-terminated epoxy prepolymer is prepared by reacting resorcinol diglycidyl ether, N-methylethanolamine and an isocyanate polymer, and the isocyanate polymer is prepared by polymerizing hexamethylene diisocyanate, so that the chemical corrosion resistance and high temperature resistance of the rubber are enhanced; and the composite modifier is prepared by reacting multi-element copolyether ester with fluorinated polybutadiene, so that the final rubber compound has excellent low-temperature brittleness resistance and long-term stability while keeping high strength.

The invention discloses chain end modified liquid rubber, mixed rubber, a preparation process, a tire and a vehicle, and belongs to the technical field of liquid rubber and manufacturing thereof. According to the liquid rubber, butadiene monomers and a chain transfer agent are added in batches in the preparation process, negative ion active centers are frequently transferred to the chain transfer agent from the tail end of a polybutadiene-based lithium active chain to form new initiation growth centers, then newly introduced butadiene monomers are initiated to grow, the dosage of an n-butyllithium initiator is remarkably reduced, and the stability of the liquid rubber is improved. The production cost is greatly reduced, the generation of sewage is greatly avoided, the monomer concentration of the final rubber product can reach about 80 percent by weight, the productivity is improved, and large-scale production is facilitated; the rubber also enables the filler to have good dispersibility, and has good compatibility with base rubber such as styrene butadiene rubber, natural rubber and the like.

The embodiment of the invention relates to the technical field of insulating adhesives, and discloses an insulating sealing coating adhesive which comprises 60-80 parts of a modified styrene-butadiene-styrene block copolymer, 0.3-1 part of a ketimine curing agent, 2-8 parts of an aromatic amine curing agent, 3-8 parts of methyl silicone oil and 12-26 parts of petroleum ether, wherein the modified styrene-butadiene-styrene block copolymer is obtained by epoxidation of a styrene-butadiene-styrene block copolymer (SBS), the molecular weight of the styrene-butadiene-styrene block copolymer is 7000-11000, the substance amount fraction of a PB end (polybutadiene chain segment) is 70-85%, and the ratio of a branched chain structure to a straight chain structure in the PB end is 1: 2-1: 3. The insulation sealing coating adhesive has the characteristics of high reliability and uniform coating in multiple axial directions, especially in the vertical direction (namely the z-axis direction) through the structural characteristics of the insulation sealing coating adhesive and the compounding of the insulation sealing coating adhesive and a multi-element curing agent, is convenient to spray and is beneficial to application to precise components.

The invention belongs to the technical field of polymer materials and electric wires and cables, and discloses a high-toughness cable composite material and a preparation method and application thereof. The preparation method comprises the following steps: (1) adding silane-terminated liquid polybutadiene, hydroxyl silicone oil and an organic tin catalyst into an anhydrous solvent, uniformly mixing, heating to 80-100 DEG C, carrying out dealcoholization condensation reaction, and evaporating to remove the solvent after the reaction is completed, so as to obtain an organic silicon modified polybutadiene cross-linking agent; and (2) adding the obtained organic silicon modified polybutadiene cross-linking agent, PE, EVA, a reinforcing filler and an initiator into an extruder in an oxygen-free atmosphere, carrying out melt blending cross-linking reaction, and carrying out extrusion molding to obtain the high-toughness cable composite material. Compared with a conventional vinyl silane cross-linking agent, the organic silicon modified polybutadiene cross-linking agent disclosed by the invention can remarkably improve the mechanical strength, flexibility and weather resistance of the obtained cross-linked polyethylene composite material.