38 results about "Propyl isocyanide" patented technology

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 embodiment of the invention discloses a degradable filling plastic master batch and a preparation method thereof. The degradable filling plastic master batch comprises the following components: a bio-based material, an accelerant, a lubricant, a modifier, an antioxidant, a cross-linking agent and a coupling agent, wherein the bio-based material is polylactic acid; the accelerant is modified starch; the plastic modified material is calcium carbonate; the modifying agent comprises pe wax and / or ebs; the lubricant comprises zinc stearate and POE (Polyolefin Elastomer); the antioxidant is a composition of lignin and phosphite ester; the cross-linking agent is triallyl isocyanate, and / or epoxidized soybean oil; the coupling agent is a silane coupling agent or an aluminic acid coupling agent, can provide the strength of the degradable filling master batch, is not prone to deformation during stretching, has an anti-oxidation effect, is more reinforced and durable, and can achieve the purpose of rapid degradation after waste treatment.

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.

This invention relates to the field of polymer materials technology, specifically disclosing a flame-retardant thermoplastic elastomer compound and its preparation method. The flame-retardant thermoplastic elastomer compound comprises 50-80 parts SEBS, 10-30 parts PP, 5-15 parts compatibilizer, 10-30 parts composite flame retardant, 3-10 parts plasticizer, 0.2-1 parts antioxidant, and 0.1-0.5 parts lubricant. The composite flame retardant is prepared by reacting and mixing an intumescent flame retardant, barium metaphosphate, boron nitride, triallyl isocyanurate, and SEBS. The flame-retardant thermoplastic elastomer compound of this application possesses good flame retardancy, mechanical properties, and water resistance stability.

The application relates to the technical field of polypropylene electrical film, in particular to a high-performance polypropylene electrical film with electric breakdown resistance and a preparation method thereof. The application provides a preparation method of the high-performance polypropylene electrical film, wherein polypropylene powder, styrene, a crosslinking aid and a compatilizer are mixed, melt-extruded and granulated, and then subjected to heat pressing, cold pressing, bidirectional stretching, cooling and shaping, edge cutting and corona treatment to obtain the polypropylene electrical film; the crosslinking aid is prepared from maleic anhydride, 2,4,6-triaminotoluene and allyl isocyanate; and the compatilizer is obtained by reacting maleic anhydride and polypropylene. The polypropylene electrical film prepared by the application has good performance and combustion performance, high mechanical strength and strong electric breakdown resistance at high temperatures.

The application relates to the cable field and discloses a novel high-heat-dissipation energy storage device cable and a preparation method thereof. The novel high-heat-dissipation energy storage device cable comprises, from inside to outside, a core, a cross-linked polyethylene insulation layer, a shielding layer, a filling layer, an inner protective layer, an armored layer and an outer protective layer. The filling layer is filled with a composite phase change material. The composite phase change material comprises binary eutectic material, cross-linked polyurethane, graphene powder and modified spherical alumina. The cross-linked polyurethane is prepared by using PEG6000, diphenyl methane diisocyanate and boric acid as raw materials. The modified spherical alumina is prepared by grafting a modified silane coupling agent on the surface of spherical alumina through a thiol-alkene click reaction between triallyl isocyanurate and 3-mercapto propyl triethoxysilane. The filling layer filled with the composite phase change material has the characteristics of good heat conductivity, high phase change latent heat, wide phase change temperature range, good thermal cycle stability and good flame retardance.

The invention relates to a preparation method of a high-strength anti-aging PVC-U drain pipe. The preparation method comprises the following steps: step 1, preparing a nanoscale polytetramethylene ether glycol emulsion; 2, preparing a composite emulsion; and step 3, mixing the composite emulsion, styrene, butadiene, isoprene, triallyl isocyanurate, secondary alcohol polyoxyethylene ether, 2-hydroxy-2-methyl phenyl propane-1-ketone, dibenzyl isopropyl phenyl phenol polyoxyethylene ether, sodium lauroyl methyl taurate and modified nano-scale silicon dioxide, and then carrying out a reaction under a sealing condition. After the reaction is completed, demulsifying, filtering, washing and drying to obtain composite particles; and 4, mixing and melting the composite particles and PVC particles, extruding through a twin-screw extruder matched with a mold, cooling, shaping and cutting to obtain the PVC-U drainage pipe. While the production is accelerated, the anti-aging performance under the irradiation of ultraviolet rays can also be improved, so that the material can be stably used for a long time under the irradiation of strong sunlight.

A resin composition includes a base resin and a hardened resin. The base resin includes a polyphenylene ether resin and an olefinic resin. A weight proportion of the base resin in the resin composition is between 10 wt % and 20 wt %. The hardened resin includes a cyclopentadiene-styrene copolymer resin, a triallyl isocyanurate, and a maleimide resin. A weight proportion of the hardened resin in the resin composition is between 10 wt % and 20 wt %.

The invention discloses a preparation method of 1, 3-diallyl-5-ethylene oxide methyl-[1, 3, 5] triazine-2, 4, 6-triketone, sodium isocyanurate, chloropropene and epoxy bromopropane are used as raw materials, and a product is synthesized through two-step reaction: S1, preparation of intermediates: the sodium isocyanurate and the chloropropene are subjected to a reaction in a polar aprotic organic solvent, the reaction is carried out for 2-4 hours, and the product is obtained; carrying out a first-step reaction under the action of a catalyst and a cocatalyst, filtering, evaporating the solvent to dryness, and purifying to obtain an intermediate diallyl isocyanurate; s2, preparation of a target product: in a polar aprotic organic solvent, carrying out a second-step reaction on the intermediate and epoxy bromopropane under the action of an acid capturing agent, carrying out rotary evaporation to remove the solvent, washing and drying, and purifying to obtain the target product, a plurality of aspects such as a catalyst and a reaction system are researched, the reaction temperature is reduced, and a product with the purity conforming to the application in the field of electronic chemistry is obtained.

The invention discloses an environment-friendly high-temperature-resistant PE bottle body and a preparation method thereof, and belongs to the technical field of packaging materials. The bottle body is of a three-layer co-extrusion structure, in the inner layer, high-density polyethylene serves as a base material, a graphene-nano-silicon dioxide core-shell filler and a dicumyl peroxide / triallyl isocyanurate cross-linking agent are added, and a high-temperature-resistant cross-linking layer is formed; the middle layer is a low-density polyethylene base material and is reinforced and toughened by silane-containing modified glass fibers; and the outer layer takes linear low-density polyethylene as a base material, is loaded with nano TiO and a starch-based biodegradable auxiliary agent, and is treated by trimethoxysilane to form a super-hydrophobic anti-aging layer. According to the preparation method, through microwave-assisted filler activation, ultrasonic online dispersion, gradient electron beam crosslinking and super-hydrophobic surface curing, the efficient dispersion of the filler and the synergistic effect of the functional layer are realized. And the prepared bottle body has excellent high temperature resistance, mechanical strength and environmental friendliness, and is suitable for high-temperature environment packaging application.

The invention relates to the technical field of polyethylene films, and particularly discloses a polyethylene cover film for a plastic container and a preparation method of the polyethylene cover film. The polyethylene cover film for the plastic container is mainly prepared from the following raw materials in parts by weight: 45 to 55 parts of low-density polyethylene, 45 to 55 parts of linear low-density polyethylene, 25 to 35 parts of metallocene low-density polyethylene, 15 to 25 parts of propylene-ethylene copolymer, 8 to 12 parts of modified graphene oxide, 0.1 to 0.5 part of lubricant and 0.2 to 0.8 part of antioxidant, the modified graphene oxide is obtained by treating graphene oxide by adopting 3-methacryloxy propyl trimethoxy silane, maleic anhydride, 2-acrylamide-2-methylpropanesulfonic acid and triallyl isocyanurate. The invention further discloses a preparation method of the modified graphene oxide. The polyethylene cover film has the advantages of high tensile strength, good barrier property and high heat sealing strength, and meets market requirements.

The present application relates to the technical field of hose manufacturing, in particular to a PVC hose resistant to heat and high pressure and a preparation method thereof. The PVC resin powder is added as a plastic matrix; the plasticizer DOTP is added to plasticize and soften; the calcium carbonate is added to play a role of reinforcing filling; the carbon black is added to shield ultraviolet rays and dye; the calcium-zinc composite stabilizer is added to prevent the PVC from thermal decomposition; the chlorinated polyethylene is added to provide a rubber phase for the material and increase elasticity; the processing aid ACR resin is added to reduce processing temperature, promote plasticization and improve material toughness; the dicumyl peroxide is added to oxidize and break chains as an initiator; the trimethylolpropane trimethacrylate is added to promote vulcanization and crosslinking; and the triallyl isocyanurate is added to play a crosslinking role. The modified zirconium phosphate is further added, the modified zirconium phosphate loaded with iron ions is added to PVC powder, and the heat and high pressure resistance of the PVC hose is improved.

The invention discloses a high-Abbe number optical lens composition of a sulfur-containing resin monomer with a high refractive index, and relates to the technical field of lens compositions, and the high-Abbe number optical lens composition comprises the following raw materials: bis (2-isothiocyano ethyl) thioether, 1, 3, 5-tri (isocyanate methyl) cyclohexane, 4, 8-dimercaptomethyl-1, 11-dimercapto-3, 6, 9-trithioundecane, 1, 4-cyclohexane dimethyl mercaptan, perfluoro-1, 3, 4-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, the invention relates to a high-temperature-resistant flame-retardant plastic which is prepared from the following raw materials: 1, 4-cyclohexanedimethanol, modified tri (beta-epithiopropyl) isocyanurate, modified dicyclopentadiene diepoxy, N-(2-ethoxyl) piperidine, a bismuth-zinc complex catalyst, modified lauryl phosphate diethanolamine salt, dibenzothiophene sulfone and an antioxidant. According to the invention, the modified dicyclopentadiene diepoxy is added, so that the modified dicyclopentadiene diepoxy can be perfectly compatible with a polythionocarbamate matrix, the problem that common dicyclopentadiene diepoxy is easy to agglomerate and separate is avoided, and meanwhile, by introducing a rigid structure, the original hardness of the lens is greatly improved.

The invention discloses a synthesis method of 1, 3, 5-tri (trialkoxysilylpropyl) isocyanurate, and the 1, 3, 5-tri (trialkoxysilylpropyl) isocyanurate is obtained by reacting gamma-chloropropyl trialkoxysilane with isocyanuric acid in the presence of an acid-binding agent. The method is simple in process, convenient to operate, mild in reaction and suitable for industrial production.

The invention discloses a modified triallyl isocyanate cross-linking agent, and relates to the technical field of cross-linking agents. Amino generated by hydrolysis of an isocyanate group of (S)-2, 6-diisocyanatohexanoic acid reacts with an isocyanate group of triallyl isocyanurate to generate a urea bond, a formed carboxyl intermediate limits movement of a molecular chain due to increase of crosslinking density, and the urea bond generated by synergistic reaction improves the thermal stability of a subsequent crosslinking agent; the introduced carboxyl group can be subjected to ring opening reaction with an epoxy group of polypropylene glycol diglycidyl ether to form an ester bond and a hydroxyl group, so that crosslinking sites are further increased, meanwhile, a flexible polyether chain segment is introduced into a modified triallyl isocyanate crosslinking agent molecule, and the introduced flexible polyether chain segment can counteract rigidity caused by excessive crosslinking; the toughness of the cross-linked material is improved, so that brittle rupture of the material caused by over-dense cross-linking is avoided. The modified triallyl isocyanate cross-linking agent prepared by the preparation method disclosed by the invention has the effects of high cross-linking property and high stability.

This utility model discloses a purification device for triallyl isocyanurate, comprising a shell with a drain port at the bottom and a feed port at the top; a stirring mechanism including a sleeve fixedly connected to the outside of the shell, an L-shaped frame fixedly connected to the upper end of the sleeve, a rotating tube vertically penetrating the horizontal part of the L-shaped frame, the rotating tube being rotatably connected to the horizontal part of the L-shaped frame via a bearing, the lower end of the rotating tube penetrating the upper end of the shell and extending into the interior of the shell, and multiple inclined stirring rods fixedly connected to the side wall of the inner portion of the rotating tube; and a heating mechanism located inside the sleeve. During use, the device utilizes the sleeve in conjunction with heat-conducting oil to heat the internal liquid, and the L-shaped and folded stirring rods further promote uniform heating of the liquid.

The invention relates to the technical field of cable materials, and particularly discloses a high-temperature-resistant polyolefin cable material which is prepared from the following raw materials: 50 to 60 parts of homo-polypropylene, 20 to 25 parts of thermoplastic polyimide, 12 to 16 parts of aluminum nitride, 3 to 5 parts of vermiculite powder, 2.2 to 3.5 parts of antioxidant, 0.1 to 0.3 part of dicumyl peroxide, 0.5 to 0.8 part of triallyl isocyanurate, 22 to 36 parts of flame retardant and 2 to 3 parts of lubricant. The preparation method comprises the following steps: melting and plasticizing homo-polypropylene, and uniformly mixing the homo-polypropylene with thermoplastic polyimide; and uniformly mixing the mixture with aluminum nitride, vermiculite powder, an antioxidant and a flame retardant, adding dicumyl peroxide, triallyl isocyanurate and a lubricant, mixing, and extruding and granulating to obtain the high-temperature-resistant polyolefin cable material. The preparation method is helpful for improving the long-term high-temperature resistance of the polyolefin cable material.

The application discloses an isocyanurate compound and a preparation method and application thereof, belongs to the technical field of battery electrolyte additives, and has the structure shown in formula 1. The preparation method is that a fluorine-containing iodoalkane shown in formula 2 is reacted with diallyl isocyanurate under the action of a catalyst DBU, the reaction temperature and the reaction time are controlled, a compound shown in formula 1 is generated, and post-treatment is carried out on the reaction liquid to obtain the isocyanurate compound. The application fills the technical gaps of the prior art in the aspects of molecular design, efficient preparation method and practical application effect of the fluorine-containing isocyanurate compound, and through systematic research and innovation from the aspects of molecular design, a synthesis route, a preparation process and application performance, a novel and effective solution is provided for solving technical problems such as interface instability and electrolyte oxidation decomposition of high-voltage lithium ion batteries, and a material foundation is laid for research and development of high-end battery materials.

An actinically radiation-fixable and heat-curable mass comprises: (A) an epoxide-containing compound; (B) a thiol; (C) a nitrogen-containing compound as an accelerator; (D) a radical-curable component comprising a (meth)acrylate (D1), wherein the (meth)acrylate (D1) is at least difunctional; (E) a radical photoinitiator; and (F) a stabilizer. The thiol (B) comprises tris(3-mercaptopropyl)isocyanurate, the ratio of the epoxide groups of component (A) to the radical-curable groups of component (D) is in the range of 0.015 to 0.250, and the (meth)acrylate (D1) has an equivalent weight of at least 100.0 g / mol.

This invention relates to an environmentally friendly lightweight blow-molded container, which has a multi-layer co-extrusion structure. The multi-layer co-extrusion structure includes at least one foam layer, an inner surface support layer, and an outer surface support layer. The foam layer is located between the inner and outer surface support layers. The foam layer is made of the following components by weight: 100 parts of waste plastic scrap PP, 1-3 parts of diallyl isocyanurate, 5-10 parts of acrylamide, 0.3-0.5 parts of initiator, 3-10 parts of foaming material, and 0-15 parts of other additives. The foaming material includes a support structure, which is a three-dimensional porous material. This invention achieves lightweighting through foaming while utilizing waste plastics for high-value conversion. The foamed product of this invention has stable pores that are not easily collapsed, and has good thermal insulation properties.

An actinic radiation-setting and heat-curable composition comprises: (A) an epoxy-containing compound; (B) a thiol; (C) a nitrogen-containing compound as accelerator; (D) a radically curable component comprising a (meth)acrylate (D1), wherein the (meth)acrylate (D1) is at least difunctional; (E) a radical photoinitiator; and (F) a stabilizer. The thiol (B) comprises tris(3-mercaptopropyl)isocyanurate, the ratio of the epoxy groups of component (A) to the radically curable groups of component (D) is in the range of 0.015 to 0.250, and the (meth)acrylate (D1) has an equivalent weight of at least 100.0 g / mol.

The invention discloses a preparation method of rubber for a low-density closed-cell foaming automobile sealing strip, and relates to the technical field of rubber preparation. Comprising the following raw materials: ethylene propylene diene monomer, zinc oxide, an activating auxiliary agent, carbon black N550, nano hydrotalcite, maleic anhydride grafted ethylene propylene diene monomer, modified hydrogenated polybutadiene oil, azodicarbonamide, sulfur, N-cyclohexyl-2-benzothiazole sulfenamide, triallyl isocyanurate, an antioxidant, modified zinc stearate and modified zinc borate. According to the invention, the modified zinc stearate is added, azodicarbonamide can be efficiently activated at low temperature, foaming is more sufficient and uniform so as to reduce the rubber density, the nano rigid shell can enhance the supporting force of the cell wall to avoid collapse and deformation, and the alkyl phosphoimide can improve the dispersion uniformity of the nano rigid shell in the non-polar ethylene propylene diene monomer; and meanwhile, stronger combination with a rubber matrix is formed, so that the foaming fineness is optimized, agglomeration and blooming are reduced, and the rubber is assisted to form a stable and uniform closed-cell structure.

This application provides an insulating and flame-retardant cross-linked polypropylene foam material and its preparation method, belonging to the field of polypropylene foam materials. A flame-retardant synergistic masterbatch is prepared by grafting maleic anhydride onto aluminum diethylphosphonate, melamine polyphosphate, modified montmorillonite, calcium borate, and a portion of EPDM rubber. An irradiation-sensitized masterbatch is prepared by grafting maleic anhydride onto a portion of ethylene-1-octene block copolymer, triallyl isocyanurate, and trimethylolpropane trimethacrylate. This masterbatch is then mixed with homopolymer polypropylene, the remaining components, and azodicarbonamide, and subjected to dynamic radiation cross-linking extrusion, low-energy electron beam gradient irradiation cross-linking, and staged high-temperature foaming to obtain the product. This application solves the problems of premature decomposition of foaming agents, inhibition of foaming by flame retardants, and irradiation degradation of polypropylene by using a zinc-free formulation, masterbatch pre-dispersion, and dynamic and gradient irradiation synergistic cross-linking, achieving a balance between high flame retardancy, high insulation, and good foaming performance in cross-linked polypropylene foam materials.

The present application relates to the technical field of high polymer material silicone rubber, and particularly relates to a kind of flame-retardant antistatic high-temperature resistant vulcanized pipe and a preparation method thereof.The present application effectively solves the poor compatibility and performance conflict problem often occurred when realizing high flame-retardant and antistatic function of traditional silicone rubber pipe material by constructing a unique "microscopic island structure".In the preparation process, vinyl MQ silicone resin as a key "interface bridging" component can be preferentially adsorbed on the interface of different polar rubbers and wrapped modified flame retardant to form a "core-shell" micro area, which not only prevents the interference of high-filled flame retardant on the conductive network, but also significantly enhances the interfacial adhesion between methyl silicone rubber and phenyl silicone rubber two phases;At the same time, the assistant crosslinking agent triallyl isocyanurate participates in grafting reaction during vulcanization process, and establishes a stable chemical bond bridge between different rubber phases, which fundamentally avoids the delamination phenomenon of the blending system.

The present application relates to the technical field of composite wood board, in particular to a crack-proof composite wood board and a preparation method thereof.The present application reacts 1,4-butanediol and phenylphosphonic dichloride to obtain phosphorus-containing dihydric alcohol; reacts 1,1,3,3-tetramethyldisiloxane and allyl isocyanate to obtain silicon-containing diisocyanate; mixes and reacts the phosphorus-containing dihydric alcohol and the silicon-containing diisocyanate according to a molar ratio of hydroxyl group to isocyanate group of 1:2, and then adds diethanolamine to obtain a polyol modifier; adds the polyol modifier to a melamine formaldehyde resin reaction system to obtain modified melamine formaldehyde resin glue liquid; mixes the modified melamine formaldehyde resin glue liquid, ammonium chloride and flour to obtain a modified melamine formaldehyde adhesive.The modified melamine formaldehyde adhesive is coated on the surface of a wood board, and hot pressing is combined to obtain a crack-proof composite wood board.

A resin composition includes base resin and hardened resin. The base resin includes polyphenylene ether resin, a vinyl copolymer, and an olefin compound. A weight proportion of the base resin in the resin composition is between 15 wt % and 20 wt %. The hardened resin includes cyclopentadiene-styrene copolymer resin, triallyl isocyanurate, and maleimide resin. A weight proportion of the hardened resin in the resin composition is between 10 wt % and 15 wt %.

The application relates to the technical field of soil improvement, in particular to a biochar composite improver for soil structure improvement and a preparation method thereof. The biochar composite improver for soil structure improvement is obtained by sequentially wrapping monomer A solution, monomer B solution and monomer C solution on the surface of biochar powder and then polymerizing; 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; and the monomer C solution is prepared from acrylamide, methacryloyloxyethyl trimethyl ammonium chloride and deionized water; the biochar composite improver for soil structure improvement provided by the application solves the problems of loose sandy soil and poor water retention capacity.

This invention relates to a PVC resin and its preparation method, belonging to the technical field of PVC cable resins. Due to the small molecular weight of the plasticizers added to PVC cables, plasticizers often migrate to the cable surface. Long-term precipitation and migration can cause the wires to harden and become brittle, failing to meet usage requirements and posing safety hazards. The raw materials of this invention include vinyl chloride monomer, dispersant, initiator, water, and terminator. Its key feature is that it also includes a mixed emulsion of trimethylallyl isocyanate and isooctyl acrylate monomers. By not adding the mixed emulsion of trimethylallyl isocyanate and isooctyl acrylate monomers to the PVC resin, the defects of each monomer can be compensated, improving the overall dispersion uniformity, obtaining excellent modification capabilities of trimethylallyl isocyanate and isooctyl acrylate, and improving the oil extraction resistance of the PVC resin.

The present invention discloses a radiation cross-linking sensitizer and its preparation method and application. The radiation cross-linking sensitizer of the present invention is obtained by reacting a compound containing multiple carbon-carbon double bonds and a silicone oil containing a silicon-hydrogen bond, and the compound containing multiple carbon-carbon double bonds is at least one of triallyl isocyanurate, trimethylallyl isocyanate, and triallyl cyanurate. The preparation method of the radiation cross-linking sensitizer of the present invention comprises the following steps: a compound containing multiple carbon-carbon double bonds, an inhibitor, and a catalyst are dispersed in a solvent, and then the temperature is raised after adding the silicone oil containing a silicon-hydrogen bond to react, thereby obtaining the radiation cross-linking sensitizer. The radiation cross-linking sensitizer of the present invention has the advantages of high boiling point, good thermal stability, good cross-linking effect, low production cost, etc., can effectively enhance the cross-linking effect of fluoropolymer and reduce the degradation of molecular chain, and its preparation method is simple to operate, and the reaction conditions are mild, and it is suitable for large-scale industrial production and application.

The high-temperature-resistant packaging film is a co-extrusion film and comprises a high-temperature-resistant outer layer, a toughening core layer and a high-temperature-resistant heat sealing layer which are sequentially stacked from outside to inside, the high-temperature-resistant outer layer comprises at least two high-temperature-resistant unit layers, and the toughening core layer comprises at least two toughening unit layers; the raw materials of the high-temperature-resistant unit layer and the toughening unit layer comprise homopolymerized nylon, toughening nylon, an elastomer and a high-temperature-resistant master batch; the high-temperature-resistant heat-sealing layer is prepared from the following raw materials: homopolymerized nylon, heat-sealing nylon and high-temperature-resistant master batch; the high-temperature-resistant master batch comprises nylon 6, a heat-resistant agent and an antioxidant; and the heat-resistant agent is an N-(4-fluorophenyl) maleimide-styrene copolymer and an N-(4-carboxyl phenyl) maleimide-triallyl isocyanurate copolymer. The packaging film is good in high temperature resistance, the content of homopolymerized nylon in each layer is sequentially reduced from outside to inside, the packaging film with temperature difference is formed, and the heat sealing layer is prevented from being burnt; the compound heat-resistant agent has excellent temperature resistance, compatibility and processability.