223 results about "Triallyl isocyanurate" patented technology

The invention relates to the technical field of silicone rubber, and discloses a preparation method of a modified silicone rubber elastomer, the modified silicone rubber elastomer comprises 100 parts by weight of methyl vinyl silicone rubber, 5-25 parts by weight of organosilicon grafted cellulose microcrystalline, 12-20 parts by weight of white carbon black, 1.7-2.4 parts by weight of a vulcanizing agent, 2.6-4.2 parts by weight of a cross-linking agent, and 1.5-2 parts by weight of an auxiliary agent, 1.2 to 1.6 parts by weight of an anti-aging agent; the organic silicon grafted cellulose microcrystal contains a siloxane structure and has good compatibility with the methyl vinyl silicone rubber, and in the high-temperature vulcanization process, alkenyl of the organic silicon grafted cellulose microcrystal can be subjected to a cross-linking reaction with the methyl vinyl silicone rubber and triallyl isocyanurate, so that the organic silicon grafted cellulose microcrystal can be used for curing the methyl vinyl silicone rubber and the triallyl isocyanurate. The interface bonding strength between the cellulose microcrystal and the methyl vinyl silicone rubber is enhanced, so that the silicone rubber elastomer shows higher tensile property, hardness and tearing strength.

A lithium ion gel state electrolyte, a lithium ion battery and a preparation method therefor. The lithium ion gel state electrolyte comprises polymer monomers, an organic solvent, a lithium salt, an additive and an initiator, the polymer monomers at least comprising 1,3,5-triallyl isocyanurate and acrylonitrile, and the additive at least comprising FEC; the 1,3,5-triallyl isocyanurate accounts for 0.1-2% of the total mass of the lithium ion gel state electrolyte, and the acrylonitrile accounts for 2.5-7.5% of the total mass of the lithium ion gel state electrolyte. The synergistic effect of the various monomers and the additive of the gel electrolyte can achieve both the electrode / electrolyte interface stability and the high-temperature stability of lithium batteries, thus improving the use safety and the high-temperature storage capacity of batteries while optimizing the electrochemical stability of electrolyte / electrode interfaces.

The invention discloses a load type regenerated asphalt mixture composite regenerant, which is composed of a porous carrier and a regenerant loaded in the pore channel of the carrier, and the mass ratio of the porous carrier to the regenerant is 5: 1. The regenerant is prepared from the following raw materials in parts by weight: 90 to 110 parts of furfural extract oil, 5 to 10 parts of triallyl isocyanurate, 2 to 6 parts of triethoxysilane, 4 to 10 parts of a three-dimensional porous material, 3 to 8 parts of a penetrant, 20 to 30 parts of toluene-2, 4-diisocyanate, 10 to 20 parts of hydroxyl-terminated polybutadiene, 5 to 12 parts of a plasticizer and 5 to 10 parts of a tackifier. The regenerant is loaded in pores of the porous carrier, so that the deformation resistance of asphalt mortar can be improved, the aging resistance of asphalt can be effectively improved, and the regenerant can improve the high-temperature stability, low-temperature stability and water stability of the thermally-regenerated asphalt mixture and can improve the skid resistance and sound absorption performance of the thermally-regenerated asphalt mixture. Meanwhile, the economic cost is saved.

The invention relates to the technical field of rubber compounds, and particularly discloses a bio-based and circulating material synergistically modified EPDM rubber compound and a preparation method thereof. The invention discloses a bio-based and circulating material synergistically modified EPDM rubber compound. The rubber compound is prepared from the following components: 100 parts of bio-based EPDM rubber, 100 to 130 parts of a reinforcing agent, 40 to 60 parts of paraffin oil, 5 to 7 parts of magnesium oxide, 0.5 to 1.5 parts of stearic acid, 6 to 8 parts of BIPB-40 peroxide, 2 to 5 parts of a Si-69 silane coupling agent, 1 to 3 parts of a dispersing agent and 1 to 3 parts of an assistant crosslinking agent, the reinforcing agent is composed of fast extruding furnace black N550, rice hull ash white carbon black and thermal cracking carbon black; and the assistant cross-linking agent is prepared from diallyl terephthalate and triallyl isocyanurate. The rubber compound prepared by utilizing the technical scheme provided by the invention can meet and maintain the mechanical property requirements, and meanwhile, carbon emission of the product in the whole life cycle is reduced from the aspects of formula and process.

The invention discloses a polymer sealing ring and a preparation method thereof, and relates to the technical field of polymer materials. The high-temperature-resistant fluororubber sealing gasket is prepared from the following raw materials in percentage by mass: 30 to 50 percent of fluorinated modified silicone rubber, 15 to 25 percent of fluororubber, 7.2 to 16.4 percent of hybrid white carbon black, 2.5 to 6 percent of hydroxyl silicone oil, 8 to 11 percent of plasma fluorinated modified aluminum oxide, 4 to 8 percent of carbon black, 0.8 to 1.4 percent of palm wax, 0.8 to 1.4 percent of internal release agent, 1 to 2 percent of vulcanizing agent, 3 to 5 percent of triallyl isocyanurate and 0.5 to 1 percent of anti-aging agent. The fluorinated modified silicone rubber is prepared by grafting C2-18-perfluoroalkyl iodoethane on a silicone rubber side chain, so that the low temperature resistance of the silicone rubber is effectively improved, and the phenomenon that methyl vinyl silicone rubber is easy to crystallize at low temperature is successfully inhibited; the sealing ring material has good performance at high and low temperatures, and the use temperature range of the sealing ring material is effectively improved.

The invention relates to the field of high polymer materials, and particularly discloses an EVA and rubber blended antistatic sole material and a preparation method thereof. The EVA and rubber blended antistatic sole material is prepared from the following raw materials in parts by weight: 70 to 80 parts of a main material, 20 to 30 parts of rubber, 1 to 1.5 parts of dicumyl peroxide, 15 to 20 parts of filler, 10 to 15 parts of an antistatic agent, 0.8 to 1.2 parts of zinc stearate, 4.5 to 5.5 parts of a foaming agent, 1.5 to 3 parts of a foaming aid and 0.5 to 1 part of an antioxidant, the main material comprises POE (Polyolefin Elastomer), LDPE (Low-Density Polyethylene) and an ethylene-vinyl acetate copolymer in a mass ratio of 1: (1-1.5): ( The antistatic agent is prepared from graphene, 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane and triallyl isocyanurate. The blended sole material has the advantages of being low in density, light and convenient to wear, lasting in antistatic effect and high in wear resistance.

To provide a resin composition which comprises a polyphenylene ether having excellent solvent solubility and has excellent electrical properties, copper foil peeling strength and solvent resistance.SOLUTION: There is provided a resin composition which comprises (A) a polyphenylene ether A containing a repeating unit derived from the following phenol and having a molecular weight distribution (Mw / Mn) determined by gel permeation chromatography (GPC) of 2.0 to 6.0 and a number of OH groups per molecule of 0.8 to 3.0 pieces / molecule, (B) a polyphenylene ether B containing a repeating unit derived from the following phenol and at least one partial structure of the following structures in the molecular skeleton (excluding those corresponding to the polyphenylene ether A), (C) a triallyl isocyanurate and / or a triallyl cyanurate and a crosslinking agent other than (C') a triallyl isocyanurate and a triallyl cyanurate as optional components and (D) an organic peroxide.SELECTED DRAWING: None

The invention relates to the field of fireproof cables, and discloses a composite mica copper sheathed high-performance fireproof cable for high-speed railways. The composite mica copper sheathed high-performance fireproof cable comprises a plurality of insulating cores, an inorganic tape, a copper sheath, and a sheath layer which are sequentially arranged from the inside to the outside, wherein the insulating core comprises a copper conductor and a mica tape insulation layer wrapped around the surface of the copper conductor, and a mineral material is filled between the mica tape insulation layer and the inorganic tape; the sheath layer is prepared by pulling out a sheath layer material from the outer periphery of the copper sheath through an extrusion device; the sheath layer material comprises the following raw materials in parts by weight: 70 to 90 parts of low-density polyethylene, 10 to 15 parts of ethylene-tetrafluoroethylene copolymer, 5 to 10 parts of modified composite fillers, 2 to 5 parts of flame retardant additives, 3 to 4 parts of diisopropylbenzene peroxide, 2 to 2.5 parts of triallyl isocyanurate, 1 to 2 parts of a plasticizer, and 0.1 to 0.3 parts of a lubricant. The invention imparts excellent heat-oxidation aging resistance, flame retardancy, and heat resistance to the cable sheath layer material through the addition of the modified composite filler and the flame retardant additive.

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.

The invention discloses a sealing gasket for an energy storage hydrogen production electrolytic cell and a preparation method of the sealing gasket, and belongs to the technical field of sealing gasket production. Comprising the following steps: carrying out surface treatment on glass fibers, and carrying out hot-pressing mixing with a polyimide block copolymer to obtain a supporting layer; glass fibers are subjected to surface treatment and then hot-pressed and mixed with the polyimide block copolymer to obtain a supporting layer; the polytetrafluoroethylene, the triallyl isocyanurate and the nano silicon dioxide are mixed and stirred, and the sealing layer is obtained through injection molding after radiation crosslinking; the epoxy resin matrix, the modified fluororubber and the anti-aging agent are subjected to banburying and vulcanization to obtain the protective layer; and the supporting layer, the sealing layer and the protective layer are sequentially stacked, hot-pressed and compounded to obtain the sealing gasket. The sealing gasket for the energy storage and hydrogen production electrolytic cell is improved in structural stability and has good creep resistance and chemical resistance.

The invention discloses a preparation method of ulinastatin adsorption resin, and belongs to the technical field of adsorption resin. Comprising the following steps: (1) preparing a water phase: adding pure water, gelatin, cellulose, sodium chloride and lignin into a reaction kettle until the materials are fully dissolved; (2) preparing an oil phase, wherein the oil phase contains divinylbenzene, methyl acrylate, benzoyl peroxide, tert-butyl peroxy-2-ethylhexanoate, triallyl isocyanurate, tripropanol alkyl trimethacrylate and methylbenzene, and the oil phase is uniformly stirred and mixed with the methylbenzene and the trivinylbenzene, the methyl acrylate, the benzoyl peroxide, the tert-butyl peroxy-2-ethylhexanoate, the triallyl isocyanurate, the tripropanol alkyl trimethacrylate and the methylbenzene; (3) suspension polymerization: putting the oil phase into the water phase, and carrying out staged heating reaction; (4) amination reaction; (5) alkylation reaction; and (6) acid-base alcohol treatment. Compared with the existing resin, the resin disclosed by the invention has the characteristics of high adsorption exchange rate, high desorption rate and high desorption concentration on ulinastatin, and the yield of ulinastatin is increased by 1.17 times compared with that of D215 resin.

The invention discloses a puncture-resistant biodegradable film bag and a preparation method thereof. The puncture-resistant biodegradable film bag is prepared from the following raw materials in parts by weight: 50-80 parts of biodegradable polyester, 1-20 parts of a modifier and 10-35 parts of an inorganic filler, wherein the total part number of the three raw materials is 100; the composition further comprises 0.1-5 parts of a cross-linking agent, 0.1-5 parts of an antioxidant and 0.1-1 part of a dispersing agent; the weight-average molecular weight of the puncture-resistant biodegradable material is 100,000-300,000; and the cross-linking agent is at least one of triallyl isocyanurate, trimethylallyl isocyanate, trimethylolpropane triacrylate, trimethylolpropane trimethacrylate and triglycidyl tripolyisocyanate. The modifier, the cross-linking agent and the biodegradable polyester have a synergistic effect, and through an electron beam irradiation process, not only can the puncture strength of the film bag be greatly improved, but also the MD tensile strength and the TD tensile strength are also greatly improved.

The invention discloses a flame-retardant semi-solid electrolyte, a preparation method thereof and a sodium ion battery. The preparation method of the flame-retardant semi-solid electrolyte comprises the following steps: preparing a semi-solid electrolyte precursor solution under an argon protection condition; the semi-solid electrolyte precursor solution contains the following components in parts by weight: 20-60 parts of an organic solvent; 4 to 15 parts of sodium salt; 0.2 to 1 part of an initiator; 5-10 parts of a polymer monomer; wherein the polymer monomer is prepared from diethyl isopropenyl phosphate ester and triallyl isocyanurate; and heating to carry out in-situ polymerization on the semi-solid electrolyte precursor solution to obtain the flame-retardant semi-solid electrolyte. The semi-solid electrolyte and the sodium ion battery provided by the invention have excellent flame retardant property while having relatively good electrochemical performance.

The invention belongs to the technical field of petroleum and natural gas development, and particularly discloses a temperature response type water shutoff agent as well as a preparation method and a use method thereof. The temperature response type water plugging agent is composed of a main agent, an auxiliary agent and a conditioning agent, the mass ratio of the main agent to the auxiliary agent is (3-5): 1, the adding amount of the conditioning agent is 2%-8% of the mass of the main agent, and the main agent comprises, by mass, 20%-30% of triallyl isocyanurate, 20%-40% of chloropropene, 1%-5% of anhydrous sodium carbonate and the balance solvent; the auxiliary agent is prepared from the following components in percentage by mass: 40 to 70 percent of acetic acid-2-chloropropene ester, 20 to 30 percent of polyethylene glycol and 10 to 40 percent of p-xylene; the regulator is a hydrogen peroxide solution with the concentration of 30%. The temperature response type water plugging agent is in a liquid state at normal temperature, can be easily injected into an oil and gas reservoir, is stimulated by high temperature of the reservoir after entering the reservoir, generates phase change and is changed into a solid state from the liquid state, so that the water plugging effect is achieved; the plugging agent has a good plugging effect for a long time; the higher the temperature is, the easier the phase change is, and the better the use effect is.

An electromagnetic shielding and heat-conducting multi-layer material and a preparation method thereof. The multi-layer material includes an electric field shielding layer, an epoxy heat-conducting adhesive layer, and a magnetic field shielding layer. The electric field shielding layer includes a copper foil layer with a thickness of 5-12 μm. The magnetic field shielding layer has a thickness of 1-3 mm and includes a resin matrix A and carbon fiber cloth. By weight, the resin matrix A includes: 100 parts of bismaleimide resin, 60-68 parts of 3,3-diallylbisphenol A, 32-40 parts of triallyl isocyanurate, 18-20 parts of N,N-dimethylformamide, 100-160 parts of magnetic field shielding filler, 8-10 parts of di-sec-octyl phthalate, and 0.3-0.8 parts of cobalt naphthenate. The magnetic field shielding filler is compounded by nano-manganese zinc ferrite and micron nickel powder in a mass ratio of (80-120):(30-40). The electromagnetic shielding and heat-conducting multi-layer material of the present invention has both electric field and magnetic field shielding functions and is particularly suitable for high magnetic field and high electric field application environments.

The invention relates to the technical field of foaming materials, in particular to a high-damping EVA / EPDM composite foaming material and a preparation method thereof. The high-damping EVA / EPDM composite foam material is prepared from the following raw materials in parts by weight: 150 to 80 parts of ethylene-vinyl acetate copolymer, 20 to 50 parts of ethylene propylene diene monomer, 3 to 5 parts of azodicarbonamide, 1 to 3 parts of dicumyl peroxide, 10 to 12 parts of compound filler, 6 to 10 parts of maleic anhydride grafted ethylene-octylene copolymer, 2 to 4 parts of hydroxyl-terminated polybutadiene and 1 to 4 parts of triallyl isocyanurate, the compound filler is formed by compounding silicon dioxide microspheres, graphene aerogel microspheres and modified barium titanate nanoparticles according to the mass ratio of 1: (1.5-1.7): (1.5-1.8); the high-damping EVA / EPDM composite foam material prepared by the invention not only has better high-damping and low-resilience properties, but also has excellent tensile strength, and the quality of the high-damping EVA / EPDM composite foam material is effectively ensured.

The invention provides a lithium ion battery electrolyte and application thereof, the electrolyte comprises: a non-aqueous solvent, the non-aqueous solvent comprises a first solvent and a second solvent, the first solvent is selected from at least one of perfluorohexanone, decafluoropentane or 2, 2-bis (trifluoromethyl)-1, 3-dioxolane, and the second solvent is selected from at least one of perfluorohexanone, decafluoropentane or 2, 2-bis (trifluoromethyl)-1, 3-dioxolane; a lithium salt; and an additive, the additive comprises a first additive, and the first additive comprises triallyl isocyanurate. According to the lithium ion battery electrolyte and the application thereof provided by the invention, the obtained electrolyte can be applied to a high-energy-density lithium ion battery, the fast charging performance of the lithium ion battery is improved, the cycle performance of the lithium ion battery is improved, and the high-temperature performance of the battery is improved.

The invention belongs to the field of spinning, and particularly relates to a preparation method of a high-breathability fabric, which mainly comprises the following steps: S1, plasma treatment: putting a polyester fabric into plasma treatment equipment, and carrying out plasma treatment by using a mixed gas of argon and oxygen under the condition that the vacuum degree is 10-50Pa; s2, surface grafting modification: taking the polyester fabric subjected to plasma treatment, adding the polyester fabric into a modification solvent composed of triallyl isocyanurate, vinyl acetate, azodiisobutyronitrile and n-heptane for grafting reaction, alternately cleaning the polyester fabric with an organic solvent and deionized water for 3-5 times, and drying the polyester fabric to realize surface grafting of the polyester fabric; s3, preparing hydroxyl groups on the surfaces of the fibers, namely treating the polyester fabric subjected to surface grafting in a hydrolytic agent, and then performing post-treatment on the polyester fabric to obtain the high-air-permeability fabric. According to the invention, hydrophilic modification treatment is carried out on the polyester fabric, so that the fabric can be endowed with certain moisture absorption and air permeability and certain washing resistance at the same time.

The invention relates to hydrocarbon resin with high binding power and low dielectric loss as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. Hydrocarbon resin, epoxy resin containing double bonds, triallyl isocyanurate and hydroxyl-terminated polyphenyl ether are used as raw materials for reaction, so that the crosslinking density of the resin is remarkably improved, and the dielectric loss of the resin is reduced; further, the mechanical and thermal properties of the resin are improved. Due to introduction of bisphenol fluorene, the rigidity and heat resistance of the hydrocarbon resin are improved, and meanwhile, more hydroxyl groups are introduced, so that the bonding force of the hydrocarbon resin and a base material is improved. Due to the introduction of hydroxyl-terminated polyphenyl ether, the mechanical property and heat resistance of the resin are improved while the dielectric property is ensured.

The invention discloses a composite flame-retardant cable material and a preparation method thereof, relates to the technical field of cables, and solves the problems that a flame retardant and a polymer in a cable material are separated at a high temperature and the mechanical strength of the cable material is reduced. The preparation method comprises the following steps: obtaining a modified suspension according to an inorganic material and a silane coupling agent; the preparation method comprises the following steps: at a preset temperature, carrying out melt blending on LDPE, HPCTP and PBPP to form an inner-layer matrix which is uniformly dispersed; uniformly dispersing the modified suspension on the surface of the inner-layer matrix through coating to form a barrier protection layer, so as to obtain a composite matrix; mixing the composite matrix with DCP (dicumyl peroxide) and TAIC (triallyl isocyanurate), and performing crosslinking and extrusion at high temperature to form a composite flame-retardant material; and extruding the composite flame-retardant material, cooling and molding, and carrying out heat treatment on the extruded and molded material to obtain the composite flame-retardant cable material. According to the scheme, the problem that the flame retardant and the polymer can be separated at high temperature is solved, and meanwhile, the mechanical strength of the cable material is guaranteed.

The invention discloses a factory-mixed hot-regenerated asphalt mixture. The raw materials of the mixture include the following components in parts by weight: 80-90 parts of old SBS asphalt mixture, 4-8 parts of asphalt, 10-20 parts of aggregate, 2-6 parts of mineral powder, 1-3 parts of polyvinyl chloride powder, 1-3 parts of warm mix agent, and 1-3 parts of composite regeneration agent; the raw materials of the composite regeneration agent include in parts by weight 90-110 parts of furfural extracted oil, 5-10 parts of triallyl isocyanurate, 2-6 parts of triethoxysilane, 4-10 parts of three-dimensional porous material, 3-8 parts of penetrant, 20-30 parts of toluene-2,4-diisocyanate, 10-20 parts of terminal hydroxyl polybutadiene, 5-12 parts of plasticizer, and 5-10 parts of tackifier; the hot-regenerated asphalt mixture has enhanced high-temperature stability, low-temperature stability and water stability, and has good anti-skid performance and sound absorption performance. In the application of the factory-mixed hot-regenerated asphalt mixture engineering, the mixing amount of milling material can reach more than 85%, thereby saving economic cost.

The present invention relates to a method for preparing a high-specific-capacity biomass hard carbon material, comprising the following steps: (S1) pretreatment: the biomass raw material is crushed and washed to obtain a pretreated material; (S2) graft modification: triallyl isocyanurate, thienyl acrylic acid, a photoinitiator, and an inhibitor are dissolved in alcohol to obtain a modified solution; the pretreated material is added to the modified solution for immersion and then subjected to graft polymerization reaction under ultraviolet light to obtain a modified biomass; (S3) hydrothermal precarbonization: the modified biomass is added to a mixed aqueous solution of phosphoric acid and zinc chloride for heating reaction to obtain a hard carbon precursor; (S4) pyrolysis carbonization: the hard carbon precursor is mixed with an inorganic salt and carbonized under an inert atmosphere, and then purified and ground to obtain a high-specific-capacity biomass hard carbon material. The hard carbon material finally obtained by the present invention is used as a negative electrode material in a sodium ion battery, and has excellent comprehensive electrochemical properties, especially a significant improvement in specific capacity at high rates.

The invention relates to the technical field of soil improvement, in particular to a biochar composite modifier for improving a soil structure and a preparation method of the biochar composite modifier. The biochar composite modifier for improving the soil structure is obtained by sequentially wrapping and polymerizing a monomer A solution, a monomer B solution and a monomer C solution on the surface of biochar powder, the monomer A solution is prepared from acrylamide, triallyl isocyanurate, acrylic acid, sodium hydroxide and deionized water; the monomer B solution is prepared from acrylamide, N, N '-methylene bisacrylamide, acrylic acid, sodium hydroxide and deionized water; the monomer C solution is prepared from acrylamide, methacryloyloxyethyl trimethyl ammonium chloride and deionized water; the biochar composite modifier for improving the soil structure solves the problems that sandy soil is loose and poor in water holding capacity.

The invention discloses a UL125 DEG C irradiation cross-linked PVC cable material and a preparation method and application thereof.The UL125 DEG C irradiation cross-linked PVC cable material is prepared from, by mass, 100 parts of PVC resin, 55-75 parts of plasticizer, 10-20 parts of stabilizer, 1-2.5 parts of composite antioxidant, 10-25 parts of flame retardant, 10-25 parts of filler, 0.5-3 parts of lubricant, 10-25 parts of modifier and 1-5 parts of cross-linking agent, the polymerization degree of the PVC resin is 2000-3000, and the polymerization degree of the plasticizer is 2000-3000. The modifier is a mixture of EVA resin and CPE resin in a mass ratio of (2-3): 1, the content of vinyl acetate in the EVA resin is 18-33%, and the cross-linking agent is at least one of trimethylolpropane trimethacrylate and triallyl isocyanurate. The UL125 DEG C irradiation crosslinking PVC cable material provided by the invention not only meets the UL125 DEG C standard, but also has excellent thermal extension performance, and is suitable for the requirements of long-time high temperature and short-time high temperature scenes.

The invention relates to the technical field of polymer foam materials, and discloses a light EVA foam material based on intermittent foaming heating and a preparation method thereof. The ethylene-vinyl acetate copolymer adhesive is prepared from the following raw materials: an ethylene-vinyl acetate copolymer, a maleic anhydride grafted ethylene-vinyl acetate copolymer, azodicarbonamide, basic zinc carbonate, triallyl isocyanurate, stearic acid and dicumyl peroxide. During preparation, a double-machine-position stepped heating and mechanical mode locking transfer process is adopted. The first-stage heating is initiated by dicumyl peroxide to construct a covalent cross-linked skeleton; in the second-stage foaming heating process, basic zinc carbonate is heated and decomposed, and anhydride groups are promoted to be hydrolyzed and combined with released zinc oxide in situ to form ionic crosslinking. A double-order cross-linked network formed by covalent bonds and ionic bonds can absorb bubble expansion stress and stabilize an internal microstructure. According to the invention, the occurrence rate of cell merging and cracking under the condition of low density is reduced, and the foaming material with low apparent density and small compression set rate is obtained.

The present application relates to the field of polymerization aids, and aims at the problem of easy precipitation of crosslinking aids for photovoltaic adhesive films, and provides a precipitation-preventing crosslinking aid polyolefin grafting material and a preparation method and application thereof.The precipitation-preventing crosslinking aid polyolefin grafting material comprises the following components: a polyolefin elastomer, a first monomer and a second monomer; the first monomer is at least one selected from triallyl isocyanurate, triallyl cyanurate and an acrylate compound containing 2-4 carbon-carbon double bonds; and the second monomer is a dialkoxy silane or trialkoxy silane compound containing a carbon-carbon double bond.The present application uses a polyolefin elastomer as a base, adds the first monomer and the second monomer to obtain a high grafting rate, low crosslinking photovoltaic crosslinking aid grafting material, the crosslinking aid grafting material is free of crystal point impurities, has good transparency, high effective grafting rate, small melt index drop, high volume resistivity and high transparency, and is suitable for photovoltaic adhesive films.

The invention provides a low-smoke halogen-free high-flame-retardant power cable and a preparation method thereof, and the low-smoke halogen-free high-flame-retardant power cable comprises a conductor, an insulating layer and a sheath layer. The sheath layer is prepared from the following raw materials: 25 to 40 parts of ethylene-vinyl acetate copolymer, 15 to 25 parts of linear low-density polyethylene, 5 to 15 parts of metallocene polyethylene, 8 to 15 parts of reactive phosphorus-nitrogen-silicon hybrid compatibilizer, 12 to 22 parts of low-temperature sintered ceramic composite powder, 30 to 45 parts of surface-treated magnesium hydroxide, 15 to 25 parts of surface-treated aluminum hydroxide, 3 to 6 parts of organic modified montmorillonite and 1.5 to 2.5 parts of triallyl isocyanurate. 1.0 to 2.0 parts of a composite antioxidant, 1.0 to 2.5 parts of a calcium-zinc stabilizer and 0.5 to 1.5 parts of silicone master batch. The prepared low-smoke halogen-free high-flame-retardant power cable has excellent flexibility, mechanical property, heat resistance and processability, is stable in flame retardant property and stable in size, and is suitable for safety protection of power cables.

The invention discloses a high-stability gel polymer electrolyte as well as a preparation method and application thereof, and relates to the technical field of metal batteries. The preparation method comprises the following steps: mixing a metal salt and a solvent to obtain a basic electrolyte; adding butyl acrylate, triallyl isocyanurate, a plasticizer and an initiator into the basic electrolyte to obtain a precursor solution; and carrying out polymerization reaction on the precursor solution to obtain the high-stability gel polymer electrolyte. The prepared gel polymer electrolyte has the characteristics of high ionic conductivity and high strength, and can be applied to a lithium metal battery and a sodium metal battery. The NVP gel polymer electrolyte Na metal battery assembled by adopting a polyanion positive electrode sodium vanadium phosphate (NVP), a sodium metal negative electrode and the gel polymer electrolyte disclosed by the invention can realize long cycle stability under high magnification.

The invention provides an environment-friendly polypropylene-based composite material as well as a preparation method and application thereof, and belongs to the technical field of polypropylene materials. Maleic anhydride and triallyl isocyanurate are introduced to modify polypropylene, so that the polarity and the interface bonding force of the polypropylene are improved, and meanwhile, the thermal stability and the mechanical property are enhanced; the dispersibility and interfacial compatibility of the graphene oxide are improved through bionic lipid bilayer and silanization modification, and the graphene oxide is further endowed with intelligent response capability through grafting a thermo-sensitive polymer; the carbon nanotubes are subjected to plasma activation and magnesium hydroxide deposition to construct a core-shell structure, the interface bonding force and flame retardance of the carbon nanotubes are enhanced, and a synergistic flame-retardant system is further formed through n-octyl phosphite modification; and the metal coordination modifier significantly improves the flame retardant efficiency and thermal stability of the material by promoting carbonization and releasing non-combustible gas. The composite material with excellent mechanical property, thermal stability and flame retardant property is prepared.

The present invention discloses a method for preparing an ultra-high molecular weight polyethylene fiber electric rope, which relates to the technical field of electric traction ropes. The preparation comprises the following steps: paralleling and twisting; dipping: the ultra-high molecular weight polyethylene fiber strands are transported by guide rollers to the inside of a dipping tank for dipping, and the resin glue is a mixture of triallyl isocyanurate, phenolic resin, oily polyurethane and glass microbeads; extrusion and pre-drying; preliminary drying; braiding the rope core; pre-shaping; drying and shaping; braiding a double sheath; coating. The advantages of the present invention are that when the ultra-high molecular weight polyethylene fiber electric rope is prepared, it is functionalized by the composite resin glue in the dipping tank, and through the synergistic effect between triallyl isocyanurate, phenolic resin, oily polyurethane and glass microbeads in a specific ratio, and the optimization of the processing technology, the high temperature resistance and corrosion resistance of the electric rope are improved, the overall strength is enhanced, and the insulation resistance is good, which meets the use requirements of some specific occasions.