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1464 results about "Chloride vinyl" patented technology

Vinyl chloride is an organochloride with the formula H2C=CHCl that is also called vinyl chloride monomer (VCM) or chloroethene. This colorless compound is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride (PVC).

Wear-resistant and impact-resistant composite PVC (polyvinyl chloride) material and preparation method thereof

The invention discloses a wear-resistant and impact-resistant composite PVC material and a preparation method thereof, and belongs to the technical field of high polymer materials, the wear-resistant and impact-resistant composite PVC material comprises the following raw materials by weight: 80-100 parts of epoxy polyvinyl chloride, 10-15 parts of a plasticizing stabilizer, 10-12 parts of an impact modifier, 0.5-2 parts of a lubricant, 5-10 parts of a filler, 2-3 parts of an antioxidant and 2-3 parts of a heat stabilizer; the preparation method comprises the following steps: preparing a metal soap stabilizer, absorbing pyrolysis gas, decomposing to generate metal chloride, enhancing the flame retardant property of the material, and uniformly dispersing the metal soap stabilizer as a filler in the material, so that an epoxy group in the prepared modifier absorbs hydrogen chloride and hybridizes a polyvinyl chloride chain segment at the same time, thereby enhancing the flame retardant property of the material. And a double-bond structure reacts with pyrolysis free radicals to generate an annular structure, so that the impact resistance of the material is enhanced.
Owner:JIANGSU XUKE NEW MATERIALS CO LTD

High-barrier polycrystalline silicon packaging film and preparation method thereof

The invention discloses a high-barrier polycrystalline silicon packaging film and a preparation method thereof, and relates to the technical field of packaging materials. The high-barrier polycrystalline silicon packaging film consists of a polyester film carrier and functional slurry, the functional slurry is prepared from the following raw materials in parts by weight: 15 to 25 parts of ethylene-vinyl alcohol copolymer, 10 to 18 parts of polyvinylidene chloride, 5 to 10 parts of modified nano montmorillonite, 8 to 15 parts of modified polylactic acid, 3 to 6 parts of tributyl citrate, 1 to 3 parts of antioxidant 1010, 1 to 3 parts of ultraviolet light absorber UV-531, 0.5 to 1.5 parts of nucleating agent NA-11, 1 to 2 parts of silane coupling agent KH-550 and 3 to 7 parts of modified silicon dioxide aerogel; 2 to 5 parts of vinyl trimethoxy silane, 1 to 3 parts of nano silver and 20 to 30 parts of deionized water. The high-barrier polycrystalline silicon packaging film has excellent barrier performance, and can effectively block oxygen, water vapor and the like. The polycrystalline silicon packaging film is good in mechanical performance, not prone to damage, antibacterial, antioxidant and anti-ultraviolet, the quality guarantee period of polycrystalline silicon can be prolonged, the product quality can be guaranteed, and the polycrystalline silicon packaging film has great application value in the field of polycrystalline silicon packaging.
Owner:INNER MONGOLIA LESTER TECH CO LTD

Impact-resistant chlorinated polyvinyl chloride composite material and preparation method thereof

ActiveCN120775326AThio-Thioamide
The invention relates to an impact-resistant chlorinated polyvinyl chloride composite material and a preparation method thereof, and belongs to the technical field of polymer composite materials. The composite material comprises the following components: 100 parts of CPVC resin, 6.5 to 9.5 parts of a modified impact modifier, 2.6 to 3.2 parts of a heat stabilizer, 1.5 to 2 parts of a lubricant, 1.2 to 1.6 parts of a processing aid, 0.2 to 0.25 part of a light stabilizer and 8 to 11 parts of a filler, the modified impact modifier takes a POSS cage structure as a core, a branch chain sequentially contains thioamide-secondary amine-tertiary amine structures, a polarity gradient is formed and fully extends into a macromolecular chain of CPVC to transmit and dissipate impact energy, meanwhile, the amine structure interacts with chlorine groups in a molecular chain of CPVC to form molecular anchoring, expansion of crazes is inhibited, and the impact strength of the CPVC is improved. The continuity and the stability of a bonding interface are maintained, so that the composite material keeps relatively high mechanical strength and thermal stability.
Owner:广东银豪塑胶制品有限公司

Modified polyvinyl chloride composite material for cable and preparation method thereof

The invention relates to the field of cables, and discloses a modified polyvinyl chloride composite material for cables and a preparation method thereof.The composite material comprises low-density polyethylene, polyvinyl chloride, ethylene-vinyl acetate copolymer, nitrile rubber, modified graphene oxide, modified nano calcium carbonate and auxiliaries; the modified graphene oxide is prepared by reacting acylating chlorination of graphene oxide with an anti-aging derivative, the anti-aging derivative is prepared by reducing a benzoxazole-containing intermediate generated by a reaction of 2-amino-4-bromophenol and 4-cyanobenzaldehyde to obtain an aminated benzoxazole-containing intermediate, then the aminated benzoxazole-containing intermediate reacts with p-phenylenediamine, and then the product reacts with 3-(3, 4-dichlorophenyl)-1, 2, 3-triazole-3-one to obtain the anti-aging graphene oxide. 2, 5-di-tert-butyl-4-hydroxyphenyl) propionyl chloride is subjected to a reaction to prepare the product. And the modified nano calcium carbonate is prepared by reacting phosphonitrilic chloride trimer with an amino silane coupling agent and 2-amino benzoxazole-5-borate and then grafting on the surface of the nano calcium carbonate. The composite material prepared by the invention has excellent flame retardance, heat resistance and long-acting oxidation resistance.
Owner:SHANDONG HAOKUN PLASTICS CO LTD

Outdoor hard polyvinyl chloride material and preparation method and product thereof

The invention provides an outdoor hard polyvinyl chloride material and a preparation method and a product thereof. The outdoor hard polyvinyl chloride material is prepared from the following raw materials in parts by weight: 80 to 100 parts of polyvinyl chloride resin, 15 to 50 parts of chlorinated polyvinyl chloride resin, 50 to 100 parts of acrylonitrile-styrene-acrylate terpolymer, 3 to 15 parts of impact modifier, 0.1 to 5.0 parts of processing aid, 0.1 to 5.0 parts of lubricant and 0 to 10 parts of other aids. The impact modifier comprises a methyl methacrylate-butadiene-styrene terpolymer and chlorinated polyethylene, and the processing aid comprises ACR acrylic resin. The lubricant includes a first lubricant and a second lubricant. The melting point of the first lubricant is 20-70 DEG C, and the melting point of the second lubricant is 100-115 DEG C. The outdoor rigid polyvinyl chloride material has the advantages of excellent compatibility of the components, high impact strength, high weather resistance and low specific gravity, and meets the use requirements of base station antenna housing materials.
Owner:DONGGUAN SILVER JUBILEE NEW MATERIALS CO LTD +1

HPVC power cable protection pipe and preparation method thereof

The invention discloses an HPVC power cable protection pipe and a preparation method thereof, and relates to the technical field of cable protection pipes. The HPVC power cable protection tube is at least prepared from the following raw materials in parts by weight: 100 parts of high-strength polyvinyl chloride, 35 to 45 parts of epoxy acrylate rubber, 5 to 8 parts of vinyl chloride-g-acrylate copolymer, 8 to 12 parts of epoxidized soybean oil, 3 to 5 parts of calcium-zinc composite stabilizer, 5 to 15 parts of modified hydrotalcite, 0.1 to 0.5 part of beta-diketone, 0.8 to 1.5 parts of calcium stearate and 10 to 20 parts of flame retardant. 12 to 15 parts of modified nano calcium carbonate, 5 to 8 parts of talcum powder, 0.6 to 1.2 parts of antioxidant, 1 to 2 parts of anti-aging agent 4010 and 0.5 to 1.5 parts of ultraviolet light absorber UV531; the modified hydrotalcite is obtained by adding a mixed solution of calcium nitrate and lanthanum nitrate, a sodium hydroxide solution and a sodium bicarbonate solution into a lauryl sodium sulfate solution, mixing and aging, and then carrying out a post-treatment process. The HPVC power cable protection tube prepared by the invention has relatively high strength, good mechanical properties, weather resistance and cold resistance, and long service life.
Owner:FUYANG BAINUO PIPE CO LTD

Graphite rubber-plastic composite flame-retardant material and preparation method thereof

The invention relates to the technical field of rubber-plastic composite flame-retardant materials, and provides a graphite rubber-plastic composite flame-retardant material and a preparation method thereof.The preparation method comprises the following processes that nitrile rubber, polyvinyl chloride, dioctyl phthalate, modified expandable graphite, a stabilizer, sulfur and an anti-aging agent are added into a high-speed mixer and mixed to be uniform, and a premix is obtained; and feeding the premix into a double-screw extruder, and carrying out melt blending, extrusion and vulcanization to obtain the composite flame-retardant material. The preparation method has the beneficial effects that the modifier is combined with the expansible graphite and compounded with the nitrile rubber, the polyvinyl chloride and other base materials, so that the flame retardant property and the mechanical property of the prepared composite material are remarkably improved.
Owner:LUYA THERMAL INSULATION MATERIAL HEBEI CO LTD

A method for the hydrochlorination of acetylene using a low level ruthenium-based catalyst modified with a nitrenyl ligand

This invention relates to a method for using a low-content ruthenium-based catalyst modified with nitrogen and oxygen ligands in the hydrochlorination of acetylene. The invention utilizes 2-pyridine carboxylate as a ligand, commercial activated carbon as a support, trace amounts of ruthenium as the main active component, and water as a solvent. An improved synthesis procedure yields a low-content ruthenium-based catalyst with ruthenium ions coordinated by a modifier and commercial activated carbon as a support, significantly improving catalyst performance while reducing ruthenium content. This catalyst exhibits high activity and vinyl chloride selectivity in the fixed-bed hydrochlorination of acetylene to vinyl chloride, and its low cost makes it highly valuable for industrial applications. The ruthenium loading is 0.1%, and the reaction gas space velocity is 170 h⁻¹. ‑1 V (C2H2) / V (HCl) With a ratio of 1:1.05 and a reaction temperature of 180℃, the acetylene conversion rate can reach 84.3%, the vinyl chloride selectivity is greater than 99%, and the activity remains basically unchanged within 10 hours.
Owner:NANJING TECH UNIV +2

Catalytic combustion catalyst for treating CVOCs as well as preparation method and application of catalytic combustion catalyst

The invention discloses a catalytic combustion catalyst for treating CVOCs (Chemical Volatile Organic Compounds) as well as a preparation method and application of the catalytic combustion catalyst. The preparation method comprises the following steps: (1) impregnating and loading cerous nitrate and trimethyl phosphate on a carrier, drying, and roasting at 600-800 DEG C to form a modified carrier containing a cerous phosphate crystal phase; and (2) impregnating and loading active metal ruthenium on the modified carrier, drying and roasting to obtain the catalyst for treating catalytic combustion of the CVOCs. The catalyst provided by the invention can be used for catalytic combustion degradation of CVOCs such as dichloromethane, chlorobenzene, chloroethylene, dichloroethane, dichloroethylene, oxychloropropane and the like. For catalytic combustion degradation of CVOCs, the catalyst disclosed by the invention can show high activity, high chlorine-resistant stability, low polychlorinated by-product selectivity and thermal stability, and has certain industrial application prospects.
Owner:ENVIRONMENTAL SCI RES & DESIGN INST OF ZHEJIANG PROVINCE +1

Polyvinyl chloride plastic processing equipment and method

The invention belongs to the technical field of polyvinyl chloride plastic processing, particularly relates to polyvinyl chloride plastic processing equipment and a polyvinyl chloride plastic processing method, and provides the following scheme aiming at the problem that the existing polyvinyl chloride plastic processing equipment cannot accurately control the adding amount of a stabilizer: the polyvinyl chloride plastic processing equipment comprises a barrel body, and the outer part of the barrel body is fixedly connected with a support frame; a top cover is fixedly connected to the upper side of the barrel, a rectangular opening is formed in the top cover, a feeding hopper is fixedly connected into the rectangular opening, a round hole is formed in the top cover, a weighing box is fixedly connected into the round hole, and a quantitative adding module is arranged on the weighing box. According to the polyvinyl chloride plastic processing equipment and method disclosed by the invention, the amount of a stabilizer added into the powder can be effectively controlled according to the amount of the polyvinyl chloride powder in the barrel, and excessive addition of the stabilizer is avoided while the production quality of polyvinyl chloride plastics is ensured, so that the production cost is controlled.
Owner:鹰潭市康大塑胶有限公司

Environment-friendly macromolecular modified PVC (polyvinyl chloride) composition

The invention discloses an environment-friendly macromolecular modifier PVC (polyvinyl chloride) composition, and belongs to the technical field of polyvinyl chloride materials. The composition comprises the following components in parts by weight: 100 parts of PVC, 1-50 parts of a polycarbonate toughening modifier and 0-30 parts of an auxiliary agent. The polycarbonate toughening modifier with a certain polymerization degree is used as the modifier of the PVC material, the plasticity, toughness, impact resistance and other properties of PVC can be obviously improved, the polycarbonate toughening modifier is a macromolecular polymer and cannot be separated out in the use process, the safety of the PVC material is improved, and the service life of the PVC material is prolonged.
Owner:SHANDONG LECSIN GREEN TECH CO LTD

Anti-aging medium and low voltage polyvinyl chloride cable and production method thereof

The invention provides an anti-aging medium and low voltage polyvinyl chloride cable, which comprises an outer layer insulation skin, sealing rubber sleeves are glued on two sides of the outer layer insulation skin, a protection assembly is arranged on the inner wall of the outer layer insulation skin, the protection assembly comprises a separation rubber sheet, the separation rubber sheet is arranged on the inner wall of the outer layer insulation skin, and the separation rubber sheet is arranged on the inner wall of the outer layer insulation skin. A liquid bin is reserved between the two sets of separation films, the liquid bin is filled with a sodium silicate solution, a separation sleeve is arranged on the inner wall of the outer layer insulation skin, a liquid layer is embedded in the separation sleeve, and a repairing assembly is embedded in the liquid layer. When the outer insulating layer is damaged by external force, the isolation triggering protective layer is accurately broken to release aluminum oxide powder and a sodium silicate solution, the aluminum oxide powder and the sodium silicate solution are mixed and then rapidly react to generate a high-insulation and high-strength aluminosilicate hardened body, and sealing and leaking stoppage, structural reinforcement and flame retardance enhancement of a damaged part are synchronously achieved; and self-repairing can be completed without manual intervention.
Owner:RUIYANG GRP NORTHEAST CABLE CO LTD

High-barrier multi-layer co-extrusion composite film

The invention relates to the technical field of packaging materials, and discloses a high-barrier multilayer co-extrusion composite film which sequentially comprises an inner layer, a first bonding layer, a first barrier layer, a second bonding layer, a second barrier layer, a third bonding layer and an outer layer from bottom to top. And the second barrier layer is a nano silicon dioxide modified polyvinyl alcohol layer. The two different barrier layers are arranged, the first barrier layer has a good barrier effect on gas, the second barrier layer has outstanding barrier performance on water vapor, and the two barrier layers have a synergistic effect, so that the comprehensive barrier performance of the composite film on oxygen, water vapor, peculiar smell and the like is remarkably improved, the shelf life of a packaged product can be effectively prolonged, and the packaging cost is reduced. According to the high-barrier film, the high-barrier property is ensured, the quality and the performance of a product are ensured, and the use of expensive materials and a complex production process is avoided and the production cost is reduced by reasonably selecting each layer of material and optimizing the structural design on the premise of ensuring the high-barrier property.
Owner:SICHUAN JIAHAODA PACKAGING MFG CO LTD

SPC synchronous mould pressing floor and production process

The invention discloses an SPC synchronous mould pressing floor and a production process. The SPC synchronous mould pressing floor is formed by compounding a UV layer, a wear-resistant layer, a color film layer and an SPC base material layer. Wherein the SPC base material layer is prepared from the following components: stone powder, composite pretreated polyvinyl chloride resin, a calcium-zinc stabilizer, a lubricant and a flexibilizer; the SPC synchronous molded floor prepared by the invention has excellent mechanical properties and relatively high dimensional stability. The composite pretreated polyvinyl chloride resin is introduced, so that the comprehensive performance of the SPC synchronous molded floor is greatly improved, and particularly, the dimensional stability is obviously improved. In the preparation process of the composite pretreated polyvinyl chloride resin, nanosheets are introduced, the nanosheets have high thermal stability and thermal conductivity, the overall thermal stability of the SPC synchronous molded floor can be improved to a certain extent, and the SPC synchronous molded floor can keep good structural stability in a high-temperature environment; and the buckling deformation caused by thermal expansion is greatly reduced.
Owner:JIANGSU ZHONGXIN HOME NEW MATERIAL CO LTD

Calcium sulfate whisker reinforced and toughened polyvinyl chloride pipe and preparation method thereof

The invention provides a calcium sulfate whisker reinforced and toughened polyvinyl chloride pipe and a preparation method thereof, and belongs to the technical field of polyvinyl chloride pipes. The plastic comprises the following components in parts by mass: 100 parts of polyvinyl chloride resin, 5-15 parts of calcium sulfate whiskers, 0.5-3 parts of a coupling agent, 2-4 parts of a heat stabilizer, 0.5-1.5 parts of a lubricant and 1-3 parts of a processing aid, wherein the adding amount of the calcium sulfate whiskers is 5-15% of the mass of the polyvinyl chloride resin. The coupling agent is used for treating the calcium sulfate crystal whiskers, so that the treated calcium sulfate crystal whiskers can be infiltrated by the polyvinyl chloride matrix, and a good interface layer is formed between the calcium sulfate crystal whiskers and the polyvinyl chloride matrix; the calcium sulfate whisker treated by the silane coupling agent can play a role of a filling agent and impact resistance, replaces calcium carbonate, achieves a filling effect, can improve the strength, hardness, dimensional stability and heat resistance of the pipe, and can reduce the production cost due to the fact that the calcium sulfate whisker is a low-price environment-friendly material.
Owner:GUANGXI XIONGSU TECH DEV CO LTD

Halogen-free flame-retardant composite material for cable filling rope and preparation method thereof

The application discloses a kind of cable filling rope with halogen-free flame-retardant composite material and preparation method thereof, belong to composite material technical field.The application is used to solve the technical problems of poor cell quality, poor mechanical properties and flame-retardant properties of filling rope material in the prior art.A kind of preparation method of cable filling rope with halogen-free flame-retardant composite material includes the following steps: low-density polyethylene, high-density polyethylene, hybrid flame-retardant resin and modified nucleating agent are uniformly mixed to obtain foaming filling rope material;Foaming filling rope material is melt extruded to obtain cable filling rope with halogen-free flame-retardant composite material.The hybrid flame-retardant resin is obtained by reaction of polycyclic epoxy group cyclotriphosphazene, vinyl chloride methyl methacrylate copolymer, mixed inorganic powder, etc.;The modified nucleating agent is obtained by intercalating talc powder with modified diamide nucleating agent.The foaming filling rope material prepared by the application has the characteristics of high cell quality, excellent mechanical properties and flame-retardant properties.
Owner:YANG ZHOU TENGFEI ELECTRIC CABLE & APPLIANCE MATERIALS CO LTD

Rigid polyvinyl chloride pipe and preparation method thereof

ActiveCN121045702APolymer sciencePlasticizer
The invention discloses a rigid polyvinyl chloride pipe and a preparation method thereof, and relates to the technical field of materials. The rigid polyvinyl chloride pipe comprises the following raw material components in parts by weight: 80-90 parts of polyvinyl chloride with an ultrahigh polymerization degree; 10 to 20 parts of polyvinyl chloride with ultralow polymerization degree; 2 to 4 parts of nano boehmite; 4-5 parts of a stabilizer; 8-12 parts of a plasticizer; 0.6 to 1.2 parts of a lubricant; 15 to 25 parts of a filling agent; 3-5 parts of nuclear titanium dioxide; the polymerization degree of the polyvinyl chloride with the ultrahigh polymerization degree is 1500 to 1800; the polymerization degree of the polyvinyl chloride with the ultralow polymerization degree is 600 to 800. The rigid polyvinyl chloride tube disclosed by the invention has excellent processability, thermal stability, impact resistance, flame retardance, insulating property and surface glossiness.
Owner:FOSHAN JIANFA RUITONG TECH CO LTD

Method for synthesizing dichloroacetyl compound

PendingCN121517299APreparation from carboxylic acid halideOrganic compound preparationO-Phosphoric AcidTriflic acid
The invention discloses a method for synthesizing a dichloroacetyl compound, which comprises the following steps: tetrachloroethylene and an acid are subjected to an addition reaction at 100-200 DEG C to obtain an adduct, then the adduct is subjected to an acidolysis, hydrolysis or alcoholysis reaction to obtain the dichloroacetyl compound, the acid for the addition reaction is at least one of sulfuric acid, trifluoromethanesulfonic acid, methanesulfonic acid and phosphoric acid, and the acid for the alcoholysis reaction is at least one of sulfuric acid, trifluoromethanesulfonic acid, methanesulfonic acid and phosphoric acid. The molar ratio of the tetrachloroethylene to the acid is 1: (1-10). By controlling the types of acids and increasing the temperature of the addition reaction, the addition reaction of tetrachloroethylene and acids in the absence of a catalyst is realized. Double bonds of tetrachloroethylene and hydrogen protons are subjected to an addition reaction in a strong acid environment to form a cationic intermediate, then the cationic intermediate is combined with acid radical anions to form an adduct, and the adduct intermediate is high in activity, unstable and free of separation and can be directly subjected to a hydrolysis reaction, an acidolysis reaction or an alcoholysis reaction with another substrate (such as water, acid or alcohol) respectively. The synthesis of dichloroacetyl series compounds is realized, and the route has universality and diversity.
Owner:ZHEJIANG BENLI TECH CO LTD

High-weather-resistance decorative film and processing system

The invention is applicable to the technical field of decorative films, and provides a high-weather-resistance decorative film and a processing system, the high-weather-resistance decorative film comprises a first polyvinyl chloride base film, a thermoplastic resin layer and a second polyvinyl chloride base film; an ink layer is printed on the surface of the first polyvinyl chloride base film; according to the decorative film, the ink layer is printed on the surface of the first polyvinyl chloride base film, so that the simulation texture of the decorative film is improved, and the variety of materials suitable for covering and pasting is widened; through the arrangement of the net-shaped woven reinforcing layer, the deformation resistance of the decorative film is improved, the bottom face of the second polyvinyl chloride base film is coated with the polyurethane resin chemical separation layer, and when a roll product is opened, the front face and the back face of the decorative film do not adhere to each other; through linkage cooperation of all the components, synchronous hot-press gluing operation of the upper film part, the thermoplastic resin layer and the lower film part is achieved, and the operation procedure is optimized.
Owner:JIANGSU RENLIANG NEW MATERIALS TECHNOLOGY CO LTD

High-temperature-resistant polyvinyl chloride insulation material and application thereof in cable

The invention relates to the technical field of insulating materials, and discloses a high-temperature-resistant polyvinyl chloride insulating material and application thereof in a cable, parachloroaniline, formaldehyde, bisphenol S, diethanol amine, phthalic anhydride and the like are used as raw materials, a Mannich reaction, a substitution reaction and a ring-opening polymerization reaction are performed to obtain phthalic anhydride polyester polyol, and the phthalic anhydride polyester polyol, 4, 4 '-diphenyl-1, 3-pentanediol, 4, 4'-diphenyl-1, 3-pentanediol and 4, 4 '-diphenyl-1, 3-pentanediol are used as raw materials to prepare the high-temperature-resistant polyvinyl chloride insulating material. The high-temperature-resistant polyvinyl chloride insulation material is prepared by taking 1, 4-diphenylmethane diisocyanate and 1, 4-butanediol as raw materials to obtain modified thermoplastic polyurethane, initiating crosslinking of the modified thermoplastic polyurethane, polyvinyl chloride resin and the like, and uniformly mixing the modified thermoplastic polyurethane, the polyvinyl chloride resin and the like to obtain the high-temperature-resistant polyvinyl chloride insulation material, and the prepared polyvinyl chloride insulation material has relatively good high-temperature resistance and wear resistance.
Owner:GUANG DONG LI GUANG DIAN QI SHI YE YOU XIAN GONG SI

Anti-aging polyvinyl chloride sheet and preparation method thereof

The invention relates to the technical field of polyvinyl chloride, in particular to an anti-aging polyvinyl chloride sheet and a preparation method thereof.The anti-aging polyvinyl chloride sheet is characterized in that one of an organic tin stabilizer and a liquid calcium-zinc stabilizer is introduced into a polyvinyl chloride base material to serve as a stabilizer, the processability of the polyvinyl chloride base material is improved by selecting an ACR auxiliary agent, and ethylene bis stearamide serves as an anti-sticking agent; one or more of oxidized polyethlene wax, polyol ester and stearate are used as a lubricant; 2-carboxyethyl phenyl phosphinic acid and 1, 1, 1-trimethylolpropane are used as raw materials to synthesize hyperbranched polyester, then a hydroxyl-containing s-triazine ultraviolet absorbent is grafted, and the modified hyperbranched polyester plasticizer is obtained and used for plastifying sheets. The preparation method comprises the following steps: selecting hydrotalcite-like compound as a filler, selecting carboxylated silsesquioxane as a modifier through a stripping recombination method to obtain carboxylated hydrotalcite-like compound, and then grafting a hydroxyl-containing s-triazine ultraviolet absorbent, thereby greatly enhancing the flame retardance, fire resistance and weather resistance of the sheet and enhancing the use safety of the sheet.
Owner:LINHAI HAICHANG PLASTIC

High-oxygen-barrier moisture-barrier PE (polyethylene) film and process

The invention relates to the field of high polymer materials, and particularly discloses a high-oxygen-barrier moisture-barrier PE film and a process. The high-oxygen-barrier moisture-barrier PE film comprises a corona layer, a barrier layer and a heat sealing layer which are connected in sequence, the barrier layer comprises the following raw materials in parts by weight: 90-95 parts of polyethylene and 5-10 parts of polyvinylidene chloride, and the heat sealing layer is made of a polyethylene material; in addition, the preparation method provided by the invention has the advantages that the oxygen and moisture resistance of the polyethylene single film is improved, and meanwhile, the printing requirement is met.
Owner:HANGZHOU JINHANG PACKING & PRINTING CO LTD

Multi-layered pvc material, method of obtaining and uses thereof

The present disclosure relates to a flexible multi-layered material. An embodiment consistent with the disclosure has a plurality of poly(vinyl chloride)—PVC—layers, wherein at least one of the plurality of PVC layers is a foam layer, wherein each of the layers of the plurality of PVC layers comprises up to 60% (w / w) of a phthalate-free plasticizer, and wherein the phthalate-free plasticizer is selected from the group consisting of: phosphate, trimellitate, adipate, citrate, sebacate, polyester, vegetable oil, and mixtures thereof, and wherein the solubility of the phthalate-free plasticizer in the PVC is at least 13 (J·cm−3)1 / 2.
Owner:TMG TECIDOS PLASTIFICADOS E OUTROS REVESTIMENTOS PARA A IND STRIA AUTOMOVEL SA

Extrusion device and method for polyvinyl chloride cable material production

The invention relates to the technical field of cable manufacturing, in particular to an extrusion device and method for polyvinyl chloride cable material production, and the extrusion device comprises an extruder, a blanking hopper fixedly mounted on the extruder, and a fan connected with the blanking hopper; the discharging hopper comprises a feeding bin and a discharging bin, the partition plate is fixedly mounted on the feeding bin; the discharging assembly is used for controlling discharging of materials in the feeding bin, and the premixing bin is used for premixing the materials; and a blanking bin. According to the cable material blanking device, the sliding rail drives the motor to move to different positions, blanking of different cable materials can be achieved, blanking is conducted through transmission of the gear, the blanking amount of the cable materials can be accurately controlled, and the blanking effect on the cable materials is good.
Owner:SUZHOU MEIYU NEW MATERIALS CO LTD

High-rigidity transparent rigid polyvinyl chloride granule and preparation method thereof

PendingCN119684727ABlow moldingPolymer science
The invention belongs to the technical field of blending modification, and particularly relates to a high-rigidity transparent hard polyvinyl chloride granule which is prepared from the following components in parts by mass: 100 parts of PVC resin, 20-40 parts of modified resin, 2-4 parts of an organic tin heat stabilizer, 0-5 parts of a toughening aid, 2-4 parts of a lubricant, 20-40 parts of a processing modifier and 1-2 parts of a natural paraffin release agent. The invention further provides a corresponding preparation method. The problems that an existing modified polyvinyl chloride granule extrusion product is prone to warping under pressure, a blow molding product is prone to deformation under vacuum negative pressure and the like are solved, and the rigidity of blended granules can be improved through high physical and mechanical properties of acrylonitrile-styrene resin; the impact resistance is improved by a composite toughening system of the toughening aid and the processing modifier, and the influence on the rigidity of the blended granules is reduced at the same time.
Owner:WUXI JIAHONG PLASTICS TECH

Antistatic fabric and preparation method thereof

The invention discloses an antistatic fabric and a preparation method thereof, and relates to the technical field of fabrics. When the antistatic fabric is prepared, firstly, polyamide is grafted with 2-chloro-6-vinylpyridine under the action of an initiator, then the polyamide reacts with 2-amino-4-methoxypyrimidine-5-boronic acid pinacol ester, methoxyl is removed through boron tribromide, then the polyamide reacts with 2-diphenylphosphinobenzaldehyde, and modified polyamide is obtained; secondly, grafting tea polyphenol on the multi-walled carbon nanotube which is firstly treated by nitric acid and then treated by thionyl chloride, and then reacting with 4-[2, 2 ': 6', 2 ''-terpyridyl]-4 '-yl-thiophenol to obtain a modified multi-walled carbon nanotube; and finally, carrying out melt spinning on the modified polyamide, the modified multi-walled carbon nanotubes and the antibacterial agent to obtain antistatic fibers, and weaving the antistatic fibers to obtain the antistatic fabric. The antistatic fabric prepared by the invention has excellent flame retardance, electrical conductivity, ultraviolet resistance and oxidation resistance.
Owner:RUGAO TAIYATE KNITTED FASHION CO LTD

Flame-retardant aging-resistant cable for solar power generation and preparation method thereof

The invention discloses a flame-retardant aging-resistant cable for solar power generation and a preparation method thereof, belongs to the technical field of cable preparation, and aims to solve the technical problem that the flame retardance and ultraviolet aging resistance of a cable for solar power generation in the prior art need to be further improved. The cable comprises a conductor layer, an insulating layer, a shielding layer and an outer sheath layer, an organic copper frame copper 1, 3, 5-trimesic tricarboxylate is prepared through a hydrothermal method, titanium dioxide, zinc oxide and a double-bond structure are modified on the surface of the organic copper frame copper 1, 3, 5-trimesic tricarboxylate to obtain a composite copper frame, and the composite copper frame serves as an auxiliary agent of a modified chain extender and participates in the preparation process of modified polyvinylidene fluoride. Modified polyvinylidene chloride and auxiliary materials are subjected to melt extrusion and are naturally cured on the surface of the shielding layer to obtain the high-performance cable for solar power generation.
Owner:CHENGDU CHUANLAN CABLE

Laminate embossing / debossing processing device, and laminate embossing / debossing processing method

PendingJP2025163568AEmbossingChloride vinyl
To provide a laminate embossing / debossing device capable of performing distinct embossing or debossing on laminates composed of multiple sheet materials.SOLUTION: A laminate embossing / debossing device 100 comprises a metal upper mold 20 having a convex pattern 22 that forms a pattern with recesses on the upper surface of a laminate 10 composed of a first vinyl chloride sheet material 10A and a second vinyl chloride sheet material 10B, a metal lower mold 30 having a recessed pattern 32 formed on the bottom surface of the laminate 10, corresponding to the convex pattern 22 with a pattern formed by convex portions, a mold drive unit 40 that causes the upper mold 20 and the lower mold 30 to clamp the laminate 10 by moving at least one of the upper mold 20 and the lower mold 30 toward or away from the other, and a high-frequency voltage application section 50 that applies high-frequency voltage to the upper mold 20 and the lower mold 30 in a state of clamping the laminate body 10.SELECTED DRAWING: Figure 1
Owner:MATSUMURA KOGEI CO LTD

Mineral-based readily recyclable compostable water barrier coating and method of making the same

The application discloses a mineral-based easily-recyclable compostable water-barrier coating and a preparation method thereof, and belongs to the technical field of paper-based packaging materials. The coating is formed by a biodegradable film-forming system and a hierarchical lamellar mineral system containing three different scales and morphologies. The mineral system contains specific morphology and size of lamellar kaolin, non-asbestos grade lamellar talc and fully exfoliated sodium montmorillonite. The mineral lamella forms a dense parallel spread barrier path in the coating through a specific coating and drying solidification process, and combines a pH value responsive reversible cross-linking system to achieve excellent water vapor and oxygen barrier properties, water resistance and oil resistance at a low dry weight of 8-15 g / m2. The coating system does not contain polyvinylidene chloride and perfluoro and polyfluoro alkyl substances. The paper-based material coated with the coating is easily defibered and recycled under standard alkaline warm water conditions, and the fiber recovery rate is high, and meanwhile, the whole material meets the industrial composting requirements.
Owner:DU BAI CHENG NEW MATERIAL TECH (SHANGHAI) CO LTD +3