20 results about "Propyl isocyanide" patented technology

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 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 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 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 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.

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 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.

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 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.

The invention discloses a wire sheath co-cured and sealed with AB glue, a cable wire and a sealing processing method. The formula of the wire sheath is ethylene propylene diene monomer; an epoxy silane; a polyester plasticizer; modifying montmorillonite with amino groups; fumed silica; and dicumyl peroxide; a triallyl isocyanurate; the preparation method comprises the following steps: adding 2, 2, 2, 4-trimethyl-1, 2-dihydroquinoline into a solvent; the sealing processing method comprises the following steps: S1, mixing a component A and a component B of the AB glue according to a ratio of 1: 1 to prepare a mixed solution; s2, inserting a cable wire into the mixed solution; and S3, heating the cable wire and the mixed solution in an environment of 70-75 DEG C for 30-40 minutes, and then taking out the cable wire and the mixed solution, so that a wire sheath of the cable wire reacts with the mixed solution to be fixedly connected. Through molecular design (adopting a silane cross-linking agent containing an active epoxy group to construct a'chemical bridge '), migration blocking (double locking of a high molecular weight polyester plasticizer and an amino filler) and interface engineering (plasma activation to strengthen surface reaction activity), the problem that a contact point of a cable wire and AB glue cannot be solidified is solved.

The invention discloses a synthesis method of an isocyanide urate substance, which is characterized in that 2, 4, 6-triallyloxy-1, 3, 5-triazine is subjected to a rearrangement reaction in a toluene solvent under the common catalytic action of copper-loaded zeolite and ultraviolet rays to prepare the isocyanide urate substance containing a triazine structure, and the copper-loaded zeolite, the 2, 4, 6-triallyloxy-1, 3, 5-triazine, the copper-loaded zeolite and the 2, 4, 6-triallyloxy-1, 3, 5-triazine are subjected to a rearrangement reaction in a toluene solvent to prepare the isocyanide urate substance containing the triazine structure. When the mass ratio of 1, 3, 5-triazine to toluene is 1: (1.2-1.4): (1.4-1.6), the obtained product is diallyl isocyanurate; when the mass ratio is 1: (0.6-0.8): (1.2-1.4), the obtained product is allyl isocyanurate; according to the method, the pertinence of the rearrangement reaction is improved, no water is used in the reaction process, the stability of the raw materials is improved, the generation of byproducts is effectively reduced, and the high-purity monoallyl isocyanurate or diallyl isocyanurate product can be prepared; according to the method, too high temperature and high pressure are not used, the safety is higher, the reaction time is short, the production efficiency is improved, and the method is more suitable for industrial popularization and application.

This invention discloses a method for synthesizing high-purity tri(epoxypropyl)isocyanurate, comprising the following steps: (1) adding cyanuric acid, catalyst, and polar solvent to a reactor and mixing them evenly; (2) adding epichlorohydrin dropwise to react with cyanuric acid, and separating to obtain an intermediate; (3) reacting the intermediate and calcium oxide in an organic medium; (4) separating while hot, removing the solid, cooling the liquid to crystallize, and separating to obtain the product TGIC. This method effectively controls the hydrolysis side reactions of the product and intermediates, achieving a product yield of over 96% and a purity of 99%.

This invention discloses a nano-deposited, heavy-duty anti-corrosion graphene composite nano-coating, which is composed of the following components by weight: 66-82 parts of a polyimide-toughened polyphthalonitrile resin composition solution; 1-2 parts of nano-calcium silicate; 1-2 parts of nano-silicon nitride; 1-2 parts of graphene; 3-5 parts of 1,3,5-tris(trimethoxysilylpropyl)isocyanurate; 2-3 parts of lead powder; 1-2 parts of chromium carbide powder; 1-2 parts of tungsten powder; 1-2 parts of cobalt powder; 1-2 parts of silicon carbide; 1-2 parts of tungsten carbide powder; 1-2 parts of nickel powder; 1-2 parts of boron powder; 1-2 parts of rhenium powder; 1-2 parts of zirconium carbide powder; and 1-2 parts of zirconium oxide powder. After baking, cross-linking, and curing, the coating forms a powder coating with properties such as high temperature resistance, resistance to rapid heating and cooling, fire resistance and scorching prevention, heat insulation and heat dissipation, resistance to damp heat, salt spray resistance, impact resistance, and low friction.

The application discloses a kind of high insulation modified carbon black and preparation method thereof, belong to carbon black modification technical field.The application first uses organic acid to pre-treat carbon black surface, improve its surface active oxygen group, then use silane coupling agent containing isocyanuric acid ester structure to treat carbon black.The silane coupling agent forms physical barrier, hinders carbon black particle direct contact, and isocyanuric acid ester structure is stable, electron cloud distribution is uniform and close, limit charge conduction path, significantly improve the insulation of carbon black.In addition, also introduce geminal diboron ester on the allyl side group of diallyl isocyanurate, it can make intermolecular arrangement more close order, reduce electron migration channel, enhance insulation performance.At the same time, geminal borate activity and polarity are high, conducive to the dispersion of modified carbon black in resin, firmly combined on resin by various action modes, improve the dispersity and stability of modified carbon black in resin.