45 results about "Diisononyl phthalate" patented technology

The invention relates to the technical field of cables, and provides an anti-aging insulated power cable. A conductor layer and an anti-aging outer sheath layer are sequentially arranged from inside to outside. The anti-aging outer sheath layer is prepared from the following raw materials in parts by weight: 55 to 65 parts of PVC (Polyvinyl Chloride) resin, 20 to 30 parts of ethylene propylene diene monomer, 10 to 15 parts of ethylene-vinyl acetate copolymer, 10 to 12 parts of modified kaolin, 18 to 20 parts of diisononyl phthalate, 4 to 5 parts of calcium-zinc composite stabilizer, 1.5 to 2 parts of antioxidant, 0.5 to 1 part of polyethylene wax and 0.5 to 0.7 part of calcium stearate; the modified kaolin is obtained by coating the surface of kaolin with nano silicon dioxide to obtain SiO2-coated kaolin and grafting the SiO2-coated kaolin with an ultraviolet absorbent. According to the anti-aging insulated power cable prepared in the invention, the problem that the ultraviolet absorbent may be decomposed, volatilized or migrated to fail in long-term use is solved, and the anti-aging stability of the insulating material in long-term operation is improved.

The invention discloses a low-temperature curing PVC plastisol composition for a vehicle and a preparation method of the low-temperature curing PVC plastisol composition. The invention relates to a low-temperature curing PVC plastisol composition for vehicles, which is prepared from the following raw materials in parts by weight. Comprising 5 to 15 parts of polyvinyl chloride-vinyl acetate copolymer resin, 5 to 15 parts of homopolymerized PVC paste resin, 1 to 10 parts of blended PVC paste resin, 30 to 40 parts of a compound plasticizer, 1 to 10 parts of a hydrocarbon solvent, 0.5 to 1.5 parts of terminated polyurethane, 0.5 to 2 parts of polyamide, 0.5 to 1 part of a thixotropic agent, 30 to 45 parts of an inorganic filler, 1 to 5 parts of a stabilizer and 1 to 5 parts of a moisture absorbent. The compound plasticizer is prepared from diethylene glycol dibenzoate, isodecyl benzoate and diisononyl phthalate. The PVC plastisol composition disclosed by the invention is a low-temperature and short-time curing material, and can be cured under the conditions that the baking temperature is 125 DEG C and the baking time is 20 minutes.

The invention relates to the technical field of cables, and provides a corrosion-resistant insulated power cable. The corrosion-resistant insulated power cable is sequentially provided with a conductor layer, an insulating layer and a sheath layer from inside to outside, and the insulating layer is prepared from the following raw materials in parts by weight: low-density polyethylene, magnesium hydroxide and calcium carbonate composite powder, an antioxidant, dicumyl peroxide, zinc stearate and polyethylene wax; the sheath layer comprises the following raw materials in parts by weight: PVC resin, magnesium hydroxide and calcium carbonate composite powder, diisononyl phthalate, a calcium-zinc composite stabilizer, an antioxidant, polyethylene wax and calcium stearate. According to the corrosion-resistant insulated power cable prepared in the invention, the corrosion resistance of the power cable in extreme corrosion environments such as strong acid, strong alkali, high-concentration salt mist and the like is improved, and the condition that a common cable sheath is easy to expand and crack in the extreme corrosion environments is improved.

The invention relates to the technical field of biochemical detection, in particular to an enzyme linked immunosorbent assay kit for detecting diisononyl phthalate and application of the enzyme linked immunosorbent assay kit. The invention relates to an enzyme linked immunosorbent assay kit for detecting diisononyl phthalate. The enzyme linked immunosorbent assay kit comprises the following components: an elisa plate coated with a coating antigen, a diisononyl phthalate specific antibody working solution, an enzyme marker working solution, a diisononyl phthalate standard substance solution, a substrate developing solution, a stopping solution, a washing solution, a sample diluting solution and a purifying agent. According to the invention, the content of diisononyl phthalate in an edible oil sample is qualitatively or quantitatively detected by mainly adopting an indirect competitive ELISA method; the sample pretreatment requirement is low, the sample pretreatment process is simple, and a large batch of edible oil samples can be rapidly detected at the same time; the main reagent is provided in the form of a working solution, and the detection method is convenient and easy to implement and has the characteristics of high specificity, high sensitivity, high precision, high accuracy and the like.

The invention discloses a cold-drawing heat-setting high-elasticity cowhells belt composite material, and relates to the technical field of composite materials. The invention relates to a cold-drawing heat-setting high-elasticity cowhells belt composite material. The composite material is prepared from the following raw materials in parts by weight: 12 to 18 parts of nano calcium carbonate, 0.1 to 0.4 part of silane coupling agent KH-550, 30 to 40 parts of modified thermoplastic polyurethane, 18 to 22 parts of ethylene-vinyl acetate copolymer, 5 to 8 parts of natural rubber, 3 to 5 parts of diisononyl phthalate, 0.3 to 0.5 part of compound antioxidant, 0.2 to 0.4 part of ultraviolet light absorber UV-9, 6 to 8 parts of aramid short fiber and 0.2 to 0.5 part of zinc stearate. 10 to 15 parts of modified polyethylene terephthalate fiber, 0.2 to 0.3 part of graphene and 0.5 to 1.5 parts of organic silicon treatment liquid. According to the cold-drawing heat-setting high-elasticity cowhells belt composite material, a matrix is reinforced through modified thermoplastic polyurethane and modified polyethylene terephthalate fibers, and the strength is improved through aramid short fibers subjected to plasma pretreatment. Molecular orientation is optimized by a cold drawing and heat setting process, weather resistance is enhanced by an organic silicon coating, and good overall elasticity, high strength and excellent wear resistance and weather resistance are achieved.

The invention relates to the technical field of rubber, and provides an insulating flame-retardant rubber tube for an automobile temperature control system and a preparation method of the insulating flame-retardant rubber tube. The insulating flame-retardant rubber tube for the automobile temperature control system sequentially comprises an inner contact layer, a reinforcing layer and an outer protective layer from inside to outside, the inner contact layer and the outer protective layer are consistent in formula and comprise nitrile rubber, ethylene propylene diene monomer, modified magnesium hydroxide, dioctyl phthalate, zinc oxide, an anti-aging agent, a vulcanizing agent and a processing aid; the reinforcing layer comprises chlorosulfonated polyethylene rubber, modified magnesium hydroxide, boron nitride phosphonitrile, antimony trioxide, diisononyl phthalate, an anti-aging agent, a vulcanizing agent, zinc oxide and a processing aid. According to the insulating flame-retardant rubber tube for the automobile temperature control system, the flame retardance is improved, and the problem that the insulating property is reduced in the long-term use process is solved.

The invention belongs to the technical field of catalysis, and particularly relates to a preparation method of an environment-friendly plasticizer material hydrogenation catalyst based on a diisononyl phthalate source. The preparation method comprises the following steps: preparing a modified calcium-aluminum composite carrier by taking aluminum-magnesium silicate as a substrate, and simultaneously loading active components Os and Zr onto the carrier through an equivalent-volume impregnation method at a low temperature to obtain a catalyst finished product. The catalyst for hydrogenation of diisononyl phthalate prepared by the invention can still keep good selectivity, activity and stability after long-time operation in a continuous trickle bed reactor under the condition of lower hydrogen-ester ratio; the active component Zr and the precious metal active component Os are competitively adsorbed on the carrier to form a stable structure, the dosage of the precious metal Os is small, the loss rate is low, and the stability of the catalyst is good.

Invention refers to formulation for processing polyvinyl chloride plastisol by means of a photocrosslinking reaction, that is, for obtaining polyvinyl chloride plastisol and therefrom a PVC plastisol coating on a substrate using UV crosslinking of the surface.The invention also discloses a method for the photocrosslinking of plastisol. The present invention has a practical utility in manufacturing advertising materials, plastic gaskets, wallpaper, artificial leather, bouncy castles and the like. The composition—formulation for obtaining a photocrosslinked plastisol, according to the present invention, comprises three basic components: PVC—native resin or PVC&AC copolymer or PVC&PVAC copolymer; plasticiser mixture i.e. plasticiser known to contain phosphorus, diisononyl phthalate; photoinitiator: 2,4,6-trimethylbenzoyl diphenylphosphine oxide.

The application discloses a high-temperature-resistant polyvinyl chloride adhesive tape and a preparation method thereof, and belongs to the technical field of polymer materials and adhesive products. The high-temperature-resistant polyvinyl chloride adhesive tape comprises the following raw materials in parts by weight: synergistically modified polyvinyl chloride, diphenyl phosphine oxide, chlorinated polyethylene, diisononyl phthalate, antimony trioxide, calcium stearate, zinc stearate, an antioxidant and a leveling agent; the synergistically modified polyvinyl chloride is obtained by introducing catechol structures on the surface of polyvinyl chloride through dopamine self-polymerization deposition, forming a dynamic borate ester structure with 3-aminobenzoic acid, and constructing a Si-O-Si network structure through hydrolytic condensation reaction of octa(3-aminopropyl)silsesquioxane and N-(beta-aminoethyl)-gamma-aminopropyl triethoxysilane. The dopamine-borate ester-silicone synergistic network structure is constructed, and the diphenyl phosphine oxide is introduced for function regulation, so that the heat resistance, mechanical properties and dimensional stability of the polyvinyl chloride adhesive tape are significantly improved.

The invention discloses a flame-retardant and low-smoke floor and a preparation process, and relates to the technical field of flame-retardant floors. Comprising a base material layer; a stable layer, a flame-retardant layer, a decorative layer and a wear-resistant layer are respectively arranged on the base material layer, and a backing layer is arranged on the lower side of the base material layer; the flame-retardant layer comprises the following components in parts by weight: 100 parts of a PVC base material; the composite flame retardant is prepared by compounding aluminum hydroxide and expanded graphite according to a ratio of (1: 0.5)-(1: 2); 3-8 parts of a smoke suppressant selected from one of zinc molybdate or a mixture of zinc molybdate and ammonium octamolybdate; the low-temperature plasticizer is formed by compounding diisononyl phthalate and dioctyl adipate according to the ratio of (2: 1) to (3: 1); 2-5 parts of a heat stabilizer; the wear-resistant layer is a nano silicon dioxide composite layer, the thickness of the nano silicon dioxide composite layer is 50-200nm, and the concentration of nano silicon dioxide in the coating is 5-15wt%, so that the technical problem that flexibility and flame retardance in a low-temperature environment cannot be considered at a low temperature is solved.

The invention discloses a reworkable flame-retardant heat-conducting adhesive film and a preparation method thereof.The reworkable flame-retardant heat-conducting adhesive film comprises a reworkable flame-retardant heat-conducting adhesive layer, and the reworkable flame-retardant heat-conducting adhesive layer is prepared from, by weight, 15-25 parts of acrylate, 10-15 parts of block polymer, 3-5 parts of hydrogenated rosin resin, 10-15 parts of ethyl acetate and 5-10 parts of xylene. The coating is prepared from the following components in parts by weight: 0.5 to 1.5 parts of diisononyl phthalate, 25 to 35 parts of aluminum nitride powder, 25 to 35 parts of aluminum oxide powder, 4 to 6 parts of phosphorus-nitrogen powder, 1 to 2 parts of isocyanate, 2 to 3 parts of polyether amine copolymer, 1 to 1.5 parts of modified acrylate and 0.5 to 3 parts of modified polysiloxane. The adhesive has an excellent tensile effect, and the raw material section is combined with various block copolymers through acrylic acid, so that the adhesive has viscosity and tensile property; compared with an easy-to-pull adhesive, the easy-to-pull adhesive also realizes high heat conductivity, so that in the application process, the heat dissipation of an electronic product is better, and the tensile property is also improved.

The invention provides a flame-retardant sealant and a preparation method thereof. The flame-retardant sealant comprises the following components in parts by weight: a silane modified polyether polymer, a plasticizer, a filler, fumed silica, a thixotropic agent, a moisture scavenger, a silane coupling agent and a curing agent, the plasticizer is selected from any one or a combination of at least two of diisodecyl phthalate, diisononyl phthalate, a polyether plasticizer and alkyl benzene sulfonate, and the filler comprises modified aluminum hydroxide. According to the flame-retardant sealant and the preparation method thereof, the specific components of the flame-retardant sealant are designed, and the flame-retardant sealant which has better flame retardance and better mechanical property, is relatively low in manufacturing cost and is more beneficial to large-scale commercial production can be prepared through the matching effect of all the components on the premise that a phosphorus flame retardant is not used.

The invention relates to a hybridoma cell strain capable of secreting a diallyl phthalate monoclonal antibody and application of the hybridoma cell strain, and belongs to the technical field of immunodetection. The monoclonal antibody secreted by the hybridoma cell strain has excellent affinity and sensitivity to diallyl phthalate, IC50 of the monoclonal antibody to the diallyl phthalate reaches 500 ng / mL, and the monoclonal antibody secreted by the hybridoma cell strain has excellent affinity and sensitivity to structural analogues of the diallyl phthalate. The invention relates to a method for preparing diisononyl phthalate, which is characterized in that the diisononyl phthalate, such as dimethyl phthalate, diethyl phthalate, dinonyl phthalate, butyl benzyl phthalate, diisobutyl phthalate, di (2-ethylhexyl) phthalate and diisononyl phthalate, are not subjected to cross reaction. Therefore, the monoclonal antibody provided by the invention can be used for preparing an immunodetection product of diallyl phthalate, and an efficient detection method and means are provided for residue detection of diallyl phthalate in food.

The invention provides an anti-aging floor adhesive and a preparation method thereof, and relates to the technical field of adhesives, the floor adhesive comprises the following raw materials: PVC resin powder, diisononyl phthalate, nano titanium dioxide, modified organic montmorillonite and the like. The preparation method of the floor glue comprises the following steps: mixing the nano titanium dioxide, the modified organic montmorillonite and the stearic acid; the preparation method comprises the following steps: premixing PVC resin powder, diisononyl phthalate and the like; adding the modified filler, antimony trioxide, magnesium hydroxide and light calcium carbonate into the premix, uniformly stirring, adding an ultraviolet light absorber and the like, and carrying out extrusion molding to obtain PVC colloidal particles; melting and extruding the PVC colloidal particles, coating the PVC colloidal particles on a base material, and rolling to obtain the floor glue. According to the invention, an efficient swelling system is constructed, nano titanium dioxide and quaternary ammonium salt modified OMMT are compounded, and synergistic anti-aging is realized through triple mechanisms, so that the defect that a single filler is short is overcome. Through multiple effects of all the components, the floor glue is endowed with the properties of ultraviolet resistance, high bonding strength and the like.

The invention discloses a polyvinyl chloride material for an ultraviolet crosslinking transparent medium-voltage insulating layer and a preparation method of the polyvinyl chloride material. The polyvinyl chloride material for the ultraviolet crosslinking transparent medium-voltage insulating layer is prepared from the following components: polyvinyl chloride resin, a methyl methacrylate-styrene copolymer, diisononyl phthalate, epoxidized soybean oil, liquid nitrile rubber, nano zinc oxide, a benzophenone derivative photoinitiator and a thiodipropionate light stabilizer. The flame retardant is prepared from an alkyl mercaptan crosslinking aid, a triphenyl phosphate flame retardant, polytetrafluoroethylene micro powder, a hydroxyl silicone oil dispersing agent, sodium dodecyl benzene sulfonate and a benzotriazole ultraviolet light absorber. According to the ultraviolet crosslinking polyvinyl chloride material disclosed by the invention, through multi-component synergistic effect and process coupling, breakthrough improvement of insulating property, optical property and environmental stability is realized, a photo-initiation synergistic mechanism of a nano-zinc oxide heterostructure achieves high crosslinking density under low irradiation dose, and the contradiction between photo-initiation efficiency and transparency is solved.

The invention discloses waterproof flame-retardant polyvinyl chloride modified particles and a preparation method thereof, and relates to the technical field of high polymer materials. The waterproof flame-retardant polyvinyl chloride modified particles at least comprise the following raw materials in parts by mass: 100 parts of polyvinyl chloride, 5-10 parts of maleic anhydride grafted polyvinyl chloride, 20-30 parts of a modified flame retardant, 5-15 parts of expanded graphite, 2-5 parts of modified nano silicon dioxide, 2-5 parts of diisononyl phthalate, 0.1-0.5 part of an antioxidant, 1-2 parts of a lubricant and 3-5 parts of a heat stabilizer. Wherein the modified flame retardant is formed by wrapping modified magnesium hydroxide particles with fusible polytetrafluoroethylene. The waterproof flame-retardant polyvinyl chloride modified particles prepared by the invention have excellent waterproofness, flame retardance and mechanical properties.

The invention discloses a woody grease-based PVC printing film and a preparation method thereof, and relates to the technical field of PVC film materials. When the woody grease-based PVC printing film is prepared, rubber seed oil is esterified with 2-bis (phenyl) phosphoric acid ethanol and then epoxidized to prepare modified rubber seed oil; the preparation method comprises the following steps: sequentially reacting polyvinyl chloride with sodium azide and propynyl cardamonin to prepare modified polyvinyl chloride; the pre-modified calcium carbonate and 4-aminomethyl-2, 2, 6, 6-tetramethylpiperidine are subjected to a reaction, and modified calcium carbonate is prepared; and uniformly mixing the modified polyvinyl chloride, the modified calcium carbonate, the modified rubber seed oil, diisononyl phthalate and a barium-zinc heat stabilizer, and carrying out hot press molding to obtain the woody grease-based PVC printing film. The woody grease-based PVC printing film prepared by the preparation method disclosed by the invention has excellent flame retardance and ageing resistance.

The invention relates to a skid-mounted diisononyl phthalate synthesis device and a synthesis method, and belongs to the technical field of organic chemical synthesis. According to the method, the mixture of the catalyst and the isononyl alcohol and the mixture of the phthalic anhydride and the isononyl alcohol are directly mixed for the esterification reaction, the esterification reaction efficiency is high, the technological operation is simpler, and diisononyl phthalate in the prepared finished product is high in purity, low in acid value and low in viscosity and can be used as a plasticizer to be applied to PVC products; the molar ratio of isononyl alcohol and phthalic anhydride adopted in the esterification reaction is small, the amount of isononyl alcohol which is not completely reacted is relatively reduced while the conversion rate of diisononyl phthalate is ensured, and the difficulty of isononyl alcohol separation and recovery in the subsequent process steps is reduced; the skid-mounted synthesis device is formed by integrally mounting all the equipment on the same base, and is convenient to mount, small in occupied area and convenient to move.

Provided is a quality management method for diisononyl phthalate, a method for producing a resin composition, a resin composition, and a cable and a pipe, which enable selection of DINP so that it can further improve properties such as embrittlement properties when added as a plasticizer for vinyl chloride resin. According to an embodiment of the present invention, a quality management method for diisononyl phthalate includes: a measurement step of measuring a Raman spectrum by irradiating diisononyl phthalate with laser light; and a pass / fail determination step of determining whether or not the quality of the diisononyl phthalate is acceptable based on the intensity relationship between a first peak attributed to the vibration of a straight-chain hydrocarbon molecular chain and a second peak attributed to the vibration of an isopropyl group in the Raman spectrum.

The invention discloses a liquid waterstop and a preparation method thereof, and belongs to the technical field of preparation of waterstop materials. The water-stop belt comprises a prepolymer end and a curing agent end in parts by weight, the material at the prepolymer end is prepared from 45 to 55 parts of polypropylene glutarate, 20 to 30 parts of hexamethylene diisocyanate, 6 to 10 parts of bis (2-hydroxyethyl) disulfide, 4 to 6 parts of nano zinc oxide, 1 to 2 parts of ultraviolet absorbent, 0.8 to 1.2 parts of hindered amine light stabilizer, 0.6 to 1 part of antioxidant, 8 to 12 parts of diisononyl phthalate and 55 to 65 parts of first ethyl acetate; the curing agent end is prepared from 10 to 15 parts of 2, 2 '-bipyridine-5, 5'-dimethyl alcohol, 0.3 to 0.7 part of dibutyltin dilaurate, 1 to 1.5 parts of ruthenium hexafluorophosphate, 2 to 4 parts of fumed silica and 8 to 12 parts of second ethyl acetate. The liquid waterstop provided by the invention has excellent mechanical properties, excellent weather resistance and efficient self-healing performance, and can be effectively applied to bridge engineering.

The invention relates to a modified polyurethane adhesive and a preparation method thereof, and belongs to the technical field of functional materials and modification. The modified polyurethane adhesive is prepared from the following raw materials by weight: 25 to 50 mL of modified diisononyl phthalate, 10 to 26 mL of diphenylmethane diisocyanate, 7 to 13 mL of 2-hydroxybenzophenone, 5 to 25 g of titanium dioxide, 10 to 29 g of calcium carbonate, 6 to 24 mL of hydroxyl-terminated polyether, 12 to 30 g of a chain extender, 6 to 12 mL of a curing accelerator and 80 to 130 mL of chlorobenzene. According to the prepared modified polyurethane adhesive, important components in a system are modified through a chemical modification method, so that the polyurethane adhesive shows good strong acid and strong alkali resistance and heat resistance in practical application, and the problems that the bonding strength is reduced in a high-temperature environment and the like are solved.

Invention refers to formulation for processing polyvinyl chloride plastisol by means of a photocrosslinking reaction, that is, for obtaining polyvinyl chloride plastisol and therefrom a PVC plastisol coating on a substrate using UV crosslinking of the surface. The invention also discloses a method for the photocrosslinking of plastisol. The present invention has a practical utility in manufacturing advertising materials, plastic gaskets, wallpaper, artificial leather, bouncy castles and the like. The composition - formulation for obtaining a photocrosslinked plastisol, according to the present invention, comprises three basic components: PVC - native resin or PVC&AC copolymer or PVC&PVAC copolymer; plasticiser mixture i.e. plasticiser known to contain phosphorus, diisononyl phthalate; photoinitiator: 2,4,6-trimethylbenzoyl diphenylphosphine oxide.

The invention relates to the technical field of fireproof coatings, in particular to an environment-friendly PVC fireproof heat-insulation bottom coating for an automobile and a preparation method of the environment-friendly PVC fireproof heat-insulation bottom coating. The environment-friendly PVC fireproof heat-insulation bottom coating for the automobile is prepared from the following components in percentage by mass: 10 to 16 percent of diisononyl phthalate, 8 to 15 percent of phosphate, 2.5 to 6 percent of solvent, 1 to 3 percent of polyamide, 0.5 to 2 percent of zinc oxide stabilizer, 3 to 7 percent of calcium oxide, 0.1 to 1 percent of gas silicon, 0.1 to 0.5 percent of additive, 20 to 30 percent of PVC resin, 7 to 15 percent of inorganic silicate and the balance of filler, the sum of the mass percentages of all the components is 100%. The fireproof and flame-retardant performance of the environment-friendly PVC fireproof and heat-insulating bottom coating for the automobile can reach the V0 level, meanwhile, the environment-friendly PVC fireproof and heat-insulating bottom coating for the automobile has good heat-insulating performance and storage stability, and the problems that an existing PVC fireproof and heat-insulating bottom coating for the automobile is poor in fireproof and flame-retardant performance when the content of a flame retardant is insufficient; and if a large amount of flame retardant is added, the storage stability becomes poor.

The present invention discloses a flexible wallpaper substrate, a production method and an application, relating to the technical field of wall coverings. A flexible wallpaper substrate includes an original substrate layer and a primer layer provided entirely on the original substrate layer. The coating amount of the primer layer is 20 - 150 g / m<supgt;2< / supgt>. The primer layer includes the following components in parts by mass: 30 - 60 parts of polyvinyl chloride resin; 10 - 20 parts of ethylene-vinyl acetate copolymer resin; 20 - 40 parts of diisononyl phthalate; 15 - 30 parts of tetrahydrofuran; 30 - 60 parts of filler; 1 - 10 parts of diluent; 2 - 5 parts of composite stabilizer; 0.1 - 0.5 parts of dicumyl peroxide; 0.05 - 0.15 parts of antioxidant. The wallpaper substrate has good flexibility and light resistance, and the apparent color of the prepared wallpaper substrate is controllable, which is easy to produce and convenient to apply.

The present disclosure provides a ruthenium-containing catalyst and a preparation method and application thereof, and belongs to the technical field of catalysts. The present disclosure uses 3,3'-dibromo-4,4'-diphenylol, 1,3,5-tri(p-vinylphenyl)benzene and a ruthenium salt as main raw materials to perform a polymerization reaction, so as to obtain a ruthenium-containing catalyst with nanoscale pores formed inside; the obtained ruthenium-containing catalyst has good catalytic performance, thermal stability and chemical stability; the ruthenium-containing catalyst is used to catalyze diisononyl phthalate to hydrogenation, so as to prepare diisononyl cyclohexane-1,2-dicarboxylate; the catalytic effect of the ruthenium-containing catalyst is good, and the yield of diisononyl cyclohexane-1,2-dicarboxylate is high.

The invention relates to the field of FDC special film materials, and provides a flexible anti-static high-temperature-resistant FDC special film and a preparation method thereof.The flexible anti-static high-temperature-resistant FDC special film is prepared from a polyimide / graphene precursor solution, a surface modified Ti3C2Tx nanobelt, 3-aminopropyltriethoxysilane, 2, 3, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 2, 3-pentanediol monoisobutyrate and a graphene oxide precursor solution. The composition is composed of 2, 2 '-dihydroxy diphenyl ether, 1-ethyl-3-methylimidazole bis (trifluoromethanesulfonyl) imide salt and diisononyl phthalate. The Ti < 3 > C < 2 > T < x > nanobelt is subjected to ionic liquid surface modification, so that the dispersity and interfacial compatibility of the Ti < 3 > C < 2 > T < x > nanobelt in a polyimide matrix are enhanced. The composite film with excellent flexibility, stable conductivity and high thermal stability is prepared through multi-step compounding, functionalization treatment and a hot-pressing curing process. The film is suitable for flexible electronics, heat-resistant insulating materials and high-temperature anti-static scenes, and has wide application value.

The present invention relates to the field of FDC special film materials, and provides a flexible antistatic and high temperature resistant FDC special film and a preparation method thereof. The film is composed of a polyimide / graphene precursor solution, a surface modified Ti3C2T x Nanobelts, 3-aminopropyltriethoxysilane, 2,2'-dihydroxydiphenyl ether, 1-ethyl-3-methylimidazole bis(trifluoromethanesulfonyl)imide salt and diisononyl phthalate. x The nanoribbons were surface-modified with ionic liquids to enhance their dispersibility and interfacial compatibility within the polyimide matrix. Through a multi-step lamination, functionalization, and hot-press curing process, a composite film with excellent flexibility, stable conductivity, and high thermal stability was produced. This film is suitable for use in flexible electronics, heat-resistant insulation materials, and high-temperature antistatic applications, demonstrating its broad potential.

The invention belongs to the technical field of coatings, and discloses a light-weight heavy coating material for an automobile and a preparation method of the light-weight heavy coating material. The invention discloses a light-weight heavy coating material for an automobile. Comprising the following raw materials in parts by mass: 27-29 parts of polyvinyl chloride paste resin, 3-3.5 parts of blended polyvinyl chloride resin, 22-26 parts of diisononyl phthalate, 1.5-1.7 parts of an adhesion promoter, 3-3.5 parts of a viscosity reducer, 5-5.5 parts of calcium oxide, 3-3.5 parts of modified silicon dioxide, 2-2.5 parts of zinc oxide, 17-22 parts of active nano calcium carbonate, 5-6 parts of heavy calcium carbonate, 1.5-2 parts of modified titanium dioxide microspheres and 0.8-1 part of a foaming agent. By introducing the modified silicon dioxide and modified titanium dioxide microspheres, the impact resistance, stone impact resistance, weather resistance, high temperature resistance and corrosion resistance of the light-weight heavy coating material for the automobile are effectively improved. Therefore, the method has a wider application prospect.

The invention relates to the technical field of anti-rust paper, in particular to packaging paper for anti-rust packaging, the packaging paper comprises a three-layer structure composed of a contact layer, a base material paper layer and a polyvinyl chloride functional layer from bottom to top, the polyvinyl chloride functional layer is of a micropore structure, a gas phase corrosion inhibitor is loaded in the polyvinyl chloride functional layer, the micropore diameter is 50-200 nm, and the contact layer is made of polyvinyl chloride. According to the packaging paper for rust-proof packaging and the preparation method of the packaging paper, a PVC microporous carrier is innovatively adopted to load a compound corrosion inhibitor (VCI), and a slow-release channel is formed through phase separation of diisononyl phthalate, so that the release rate of the VCI is greatly reduced, and the utilization rate is increased.

This invention discloses a high-performance sealant and its preparation method, belonging to the field of sealant technology. The method includes adding 10-20 parts of diisononyl phthalate to 100 parts of hydroxyl-terminated polybutadiene and stirring; adding 60-90 parts of filler and stirring; adding 18-43 parts of composite functional additives and stirring to obtain a premixed base material; adding 15-25 parts of polymethylene polyphenyl polyisocyanate and 4-8 parts of silane coupling agent; adding 0.1-0.3 parts of composite catalyst; and then adding an ultraviolet absorber and an antioxidant, stirring to obtain a catalytically modified mixture; vacuum degassing and curing to obtain a high-performance sealant. The high-performance sealant prepared by this invention improves flexibility and displacement resistance, significantly increases elongation at break, and achieves a displacement capacity level of 20. It can flexibly adapt to slight deformations in building structures caused by temperature fluctuations and foundation settlement, avoiding cracking and detachment, and maintaining good fireproof sealing performance over a long period.