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103 results about "Styrene-butadiene" patented technology

Styrene-butadiene or styrene-butadiene rubber (SBR) describe families of synthetic rubbers derived from styrene and butadiene (the version developed by Goodyear is called Neolite). These materials have good abrasion resistance and good aging stability when protected by additives. In 2012, more than 5.4 million tonnes of SBR were processed worldwide. About 50% of car tires are made from various types of SBR. The styrene/butadiene ratio influences the properties of the polymer: with high styrene content, the rubbers are harder and less rubbery. SBR is not to be confused with a thermoplastic elastomer made from the same monomers, styrene-butadiene block copolymer.

Recyclable lawn and preparation method thereof

The invention discloses a recyclable lawn and a preparation method thereof, and belongs to the technical field of artificial turfs. The lawn sequentially comprises artificial grass yarns, a base cloth layer and a back glue layer from top to bottom, the artificial grass yarns and the base cloth layer are made of polyolefin; the back adhesive layer is prepared from the following components in parts by weight: 4 to 8 parts of polyolefin elastomer, 10 to 20 parts of olefin block copolymer, 20 to 30 parts of hydrogenated styrene-butadiene copolymer, 8 to 12 parts of styrene-isoprene copolymer, 10 to 12 parts of butadiene-styrene rubber, 2 to 6 parts of ethylene-acrylic acid copolymer, 15 to 30 parts of plasticizer, 0.1 to 0.4 part of antioxidant, 3 to 6 parts of compatilizer and 2 to 4 parts of modified filler; according to the lawn, the artificial grass yarns, the base cloth layer and the gum layer are similar in component, so that the lawn can be conveniently and integrally recycled subsequently, the utilization rate of the lawn gum is increased, and resource waste is reduced.
Owner:QINGDAO HONGBO JUNCHENG CHEMICAL TECHNOLOGY CO LTD +1

Water-resistant emulsified asphalt mixture based on epoxy resin as well as preparation method and test method of water-resistant emulsified asphalt mixture

The invention belongs to the technical field of emulsified asphalt materials, and particularly relates to a water-resistant emulsified asphalt mixture based on epoxy resin as well as preparation and test methods thereof, and the water-resistant emulsified asphalt mixture comprises the following components in parts by weight: 90-95 parts of aggregate, 3-5 parts of early strength agent, 1-2 parts of water, 2-3 parts of mineral powder and 10-15 parts of modified emulsified asphalt, the modified emulsified asphalt comprises the following components in parts by weight: 45-55 parts of modified asphalt, 3-8 parts of an emulsifier, 20-25 parts of epoxy resin and 15-22 parts of water, wherein the modified asphalt comprises the following components in parts by weight: 80-100 parts of matrix asphalt, 3-5 parts of SBR (Styrene Butadiene Rubber), 2-5 parts of petroleum resin, 1-2 parts of a toughening agent and 5-10 parts of a composite curing agent. Through step-by-step preparation, the mixture has very good low-temperature toughness and mechanical properties, and the water resistance of the material can be improved, so that the emulsified asphalt mixture is applied to a surface layer of an asphalt pavement, and the application scene of the emulsified asphalt mixture is widened.
Owner:JIANGSU JINYANG NEW MATERIAL TECH CO LTD

All-steel snow tire tread and preparation method thereof

The present application provides an all-steel snow tire tread, consisting of the following raw materials in parts by weight: 50-80 parts of natural rubber, 20-50 parts of solution polymerized styrene butadiene rubber with dual glass transition temperatures, 40-60 parts of carbon black, 10-20 parts of white carbon black with a high specific surface area, 1-2.5 parts of silane coupling agent, 5-10 parts of modified anti-wet skid resin, 2-5 parts of zinc oxide, 1-3 parts of stearic acid, 1-3 parts of anti-aging agent 4020, 1-3 parts of anti-aging agent RD, 1-3 parts of protective wax, 1-1.8 parts of sulfur, and 1-1.5 parts of promoter NS.
Owner:SHANDONG LINGLONG TIRE CO LTD

Positive electrode for lithium-sulfur battery and lithium-sulfur battery comprising same

The positive electrode for a lithium-sulfur battery according to the present invention contains a predetermined amount of polyacrylic acid, polyacrylamide, carboxymethyl cellulose, and styrene-butadiene rubber as a binder polymer. When used in a lithium-sulfur battery, the positive electrode for a lithium-sulfur battery can ensure high adhesive strength between the positive electrode active material layer and the positive electrode current collector, and sufficient output performance.
Owner:LG ENERGY SOLUTION LTD

A high styrene solution styrene butadiene rubber, and a preparation method and application thereof

PendingCN122325672APolymer scienceNew energy
The application provides a high-styrene solution polymerized styrene-butadiene rubber and a preparation method and application thereof, and the preparation method comprises the following steps: mixing styrene, butadiene, an initiator, a structure regulator and a non-polar solvent, and performing a polymerization reaction to obtain solution polymerized styrene-butadiene rubber; wherein the structure regulator comprises at least two of t-butoxy sodium, t-amyl oxy sodium, 2,3-dimethyl-3-pentanol sodium and ethylene glycol disodium, and a crown ether. By using the composite structure regulator, the application can prepare a random high-styrene content solution polymerized styrene-butadiene rubber, and the rubber almost does not contain styrene blocks, and the content of vinyl in the rubber can be adjusted by the addition amount of the structure regulator. Therefore, the solution polymerized styrene-butadiene rubber prepared by the application has good strength and hardness due to the high styrene content, and the random microstructure reduces the glass transition temperature and heat build-up of the raw rubber, and is suitable for the manufacturing of high-performance tires such as new energy vehicle tires.
Owner:PETROCHINA CO LTD

Electrode for energy storage equipment

The application discloses an electrode for an energy storage device. The electrode includes an active layer. The active layer comprises a network structure formed by carbon elements with high aspect ratio, the carbon elements define void spaces in the network, electrode active material particles are distributed in the void spaces in the network, and the active material particles comprise silicon and a polymer additive. The polymer additive comprises at least one of polyolefin, polyacrylic acid or styrene butadiene rubber (SBR).
Owner:NANORAMIC

Tire

To provide a tire for improving total performance of on-ice performance and wet grip performance.SOLUTION: A tire comprising a tread portion, the tread portion being formed from a rubber composition containing a rubber component, a filler containing silica, and a plasticizer, the rubber component containing more than 5% by mass and less than 50% by mass of a styrene-butadiene rubber, the rubber component contains an isoprene-based rubber and / or a butadiene rubber, a total content of the isoprene-based rubber and the butadiene rubber in the rubber component is more than 50% by mass, and a total styrene content S (% by mass) in the rubber component is less than 10, A content of the silica is more than 50 parts by mass based on 100 parts by mass of rubber components, the plasticizing agent contains C5 resins and / or C9 resins, a total content P (parts by mass) of the plasticizing agent is more than 40 parts by mass based on 100 parts by mass of the rubber components, and the tread portion includes two or more circumferential grooves and two or more lateral grooves, and one or more blocks defined by the circumferential grooves and the lateral grooves.SELECTED DRAWING: Figure 1
Owner:SUMITOMO RUBBER INDUSTRIES LTD

Rubber-based composite foaming material for middle layer of shoe sole and preparation method of rubber-based composite foaming material

The invention relates to the technical field of polymer foam materials, in particular to a rubber-based composite foam material for a middle layer of a shoe sole and a preparation method of the rubber-based composite foam material for the middle layer of the shoe sole. Adding a foaming agent, sulfur, an accelerant N-cyclohexyl-2-benzothiazole sulfenamide and tetrabenzylthiuram disulfide, and carrying out secondary internal mixing to obtain a uniformly mixed styrene butadiene rubber / natural rubber-based rubber compound; putting the rubber compound into an open mill, and discharging bubbles; and finally, carrying out high-temperature curing foaming on the rolled rubber compound by using a plate vulcanizer. The rubber-based composite foam material obtained by the invention has the characteristics of simple process, light weight, uniform foam holes, high elasticity and high tensile strength, and is suitable for middle-layer materials of soles.
Owner:SHAANXI UNIV OF SCI & TECH

Rubber / EVA (ethylene-vinyl acetate) dual-purpose treating agent as well as preparation method and application thereof

The invention provides a rubber / EVA dual-purpose treating agent and a preparation method and application thereof.The rubber / EVA dual-purpose treating agent is prepared from an ethylene chloride-vinyl acetate copolymer, a styrene-butadiene-styrene block copolymer, methyl methacrylate, benzoyl peroxide, 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, a styrene-butadiene-styrene block copolymer, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate and a styrene-butadiene-styrene block copolymer. The adhesive is prepared from 2, 6-di-tert-butyl-4-methylphenol, chloroprene rubber, butadiene styrene rubber, 2-hydroxyethyl methacrylate, an auxiliary agent, a diluent and a solvent. The rubber / EVA dual-purpose treating agent can be universally used for two materials, namely rubber and EVA, so that inferior-quality products and mixed use conditions in the production process are reduced, waste is not easily caused, and the rubber / EVA dual-purpose treating agent is convenient to use; components with strong pungent smell, such as trichloroisocyanuric acid, do not need to be added, so that the prepared treating agent is relatively small in smell and beneficial to environmental protection.
Owner:GUANGDONG OASIS CHEM CO LTD

OCA of rubber modified acrylate system and preparation method of OCA

The invention belongs to the field of material synthesis, and particularly relates to OCA of a rubber modified acrylate system and a preparation method of the OCA, and the OCA comprises matrix resin, a rubber modifier, a functional filler and an auxiliary agent; the matrix resin is selected from one or a combination of more of 2-ethylhexyl acrylate, methyl methacrylate and isobornyl acrylate; the rubber modifier is selected from one or a combination of more of natural rubber, butadiene styrene rubber, butadiene rubber, isoprene rubber and nitrile rubber; the functional filler is selected from nano silicon dioxide aerogel; the auxiliary agent is selected from one or a combination of more of a photoinitiator, a silane coupling agent, an antioxidant and an anti-ultraviolet aging agent. The problem of how to balance the OCA among low dielectric constant, high light transmittance, strong adhesion and flexibility is solved.
Owner:RUIHE TECH CO LTD

SBS modifier feeding device

The utility model discloses an SBS (Styrene Butadiene Styrene) modifier feeding device, which belongs to the technical field of chemical engineering and comprises a support frame, a material storage box is fixedly connected to the side wall of the support frame, a first connecting plate is fixedly connected to the side wall of the material storage box, a feeding pipe is fixedly connected to the side wall of the first connecting plate, and a spiral feeding blade is rotatably connected to the inside of the feeding pipe. A second servo motor is fixedly connected to the bottom of the outer side wall of the spiral feeding blade, a supporting column is fixedly connected to the bottom of the outer side wall of the second servo motor, a supporting block is fixedly connected to the side wall of the storage box, a first servo motor is fixedly connected to the top of the outer side wall of the supporting block, and a first extrusion roller is rotationally connected to the interior of the storage box; and a first gear is fixedly connected to the outer side wall of the first extrusion roller, through cooperation between the first extrusion roller and the second extrusion roller, a modifier can be crushed to a certain degree before being put, the situation that the subsequent stirring and fusion time is prolonged due to modifier caking is reduced, and fusion of the modifier and other materials is facilitated.
Owner:QINGDAO LUHUITONG IND CO LTD

Preparation process of maleic anhydride grafted modified SBS-PVC (styrene butadiene styrene-polyvinyl chloride) blended anti-aging waterproof coiled material

The invention belongs to the technical field of composite modification of high polymer materials, and discloses a preparation process of a maleic anhydride grafted modified SBS-PVC (styrene butadiene styrene-polyvinyl chloride) blended anti-aging waterproof coiled material. According to the process, a compatibility-reaction bifunctional bridge is constructed by grafting SBS with maleic anhydride, the compatibility-reaction bifunctional bridge is blended with PVC to form a matrix layer, and a strippable functional layer containing active inorganic particles, a water-soluble coalescing agent and a slow-release initiation system is compounded on the surface of the matrix layer; the functional layer prevents self-adhesion during storage, does not need to be removed during construction, and can participate in cement hydration reaction to form a chemical bonding interface. Through molecular modification, functional layer design and process integrated improvement, a full chemical bonding path from an organic polymer matrix to an inorganic concrete structure is constructed, the limitation that a traditional SBS-PVC coiled material only depends on physical adhesion is broken through, and a high-reliability, film-uncovering-free and anti-aging integrated waterproof technical scheme is achieved.
Owner:SHENYANG SAIYA RUBBER PRODS

Composite packaging material as well as preparation method and application thereof

The invention relates to a composite packaging material as well as a preparation method and application thereof. The composite packaging material comprises a printing layer, a barrier layer, a supporting layer and a heat sealing layer which are sequentially arranged, the heat sealing layer comprises a corona layer, a core layer and an inner layer which are arranged in sequence; the corona layer comprises low-density polyethylene and linear low-density polyethylene; the core layer comprises low-density polyethylene and high-density polyethylene; the inner layer comprises low-density polyethylene, a styrene butadiene hydrogenated block copolymer and a compatilizer. The composite packaging material provided by the invention has relatively high stiffness, peeling strength of each layer, complete heat sealing strength and low oxygen and water vapor permeation amount, and can meet the characteristics of high barrier, low precipitation, complete sealing, easiness in uncovering and smooth interface.
Owner:SHANGHAI ZIJIANG COLOR PRINTING & PACKING CO LTD

Intelligent control system and control method of rubber cutting machine for butadiene styrene rubber production

The invention relates to the technical field of intelligent control, and discloses a rubber cutting machine intelligent control system and control method for styrene butadiene rubber production, and the method comprises the steps: obtaining an image sequence of the front end of a cutter in real time, measuring the full width at half maximum of a shearing zone of a main shearing local zone in the image sequence, and then calculating the critical shrinkage rate of a crack tip shearing zone. Based on the change of the critical shrinkage rate, the crack initiation remaining time representing the critical approximation degree is calculated, and the monotonic mapping relation between the crack initiation remaining time and the target cutter speed is established. According to the method, the control instruction is dynamically generated through the difference between the crack initiation remaining time and the target safety remaining time, so that the rotating speed of the motor of the rubber cutting machine is adjusted, and the rotating speed of the motor is reduced along with shortening of the crack initiation remaining time. Therefore, the crack tip behavior in the rubber cutting process is accurately controlled, crack tip jumping and kerf deformation in the cutting process are effectively prevented, the cutting precision and the production efficiency are improved, and the device has good automatic control performance and adapts to changes of characteristics of different materials.
Owner:杭州宜邦橡胶有限公司

Intelligent control system and method for dehydration filter press based on styrene butadiene rubber processing

The invention relates to the technical field of intelligent control of rubber processing equipment, in particular to an intelligent control system and method for a dehydration filter press based on styrene butadiene rubber processing, and aims to solve the problems that the rheological property of the styrene butadiene rubber is obviously influenced by brand, temperature, pressure and batch difference in the filter pressing process at present; an online dynamic modeling mechanism fusing multi-source information is lacked, and accurate and real-time characterization of viscosity and key rheological parameters is difficult to realize; according to the invention, the filter pressing rheological characteristic decision-making module fuses butadiene styrene rubber marks, real-time working conditions and similar historical batch data, through table look-up interpolation, Cross-WLF online fitting and transfer learning cooperation, high-precision dynamic prediction of rubber material viscosity and key rheological parameters is realized, multi-source estimation is adaptively fused under steady-state and dynamic working conditions, and high-precision dynamic prediction of rubber material viscosity and key rheological parameters is realized. Long-term stable operation is ensured, and accurate, robust and interpretable rheological decision support is provided for the filter pressing process.
Owner:杭州宜邦橡胶有限公司

Acrylonitrile-styrene-butadiene copolymer material and preparation method thereof

PendingCN121825152ACarbon layerPolymer science
The invention discloses an acrylonitrile-styrene-butadiene copolymer material, which is prepared from 50 to 70 parts of acrylonitrile-styrene-butadiene copolymer (ABS), 1 to 5 parts of phosphorus flame retardant, 1 to 5 parts of nitrogen flame retardant and 10 to 20 parts of modified polysilsesquioxane flame retardant, the modified polysilsesquioxane flame retardant is prepared from raw materials including silsesquioxane A, a compound B and a catalyst in an alkaline environment, the silsesquioxane A comprises at least one epoxy group D, and the compound B contains a phosphorus element P and a nitrogen element N and at least comprises a halogen end group X. The modified polysilsesquioxane flame retardant forms a carbon layer, a ceramic barrier layer, a protective film or a heat insulation coke layer and other protective layers in the combustion process, the anti-dripping effect is greatly improved, meanwhile, heat and oxygen transfer is isolated, the flame retardant property of the material is remarkably improved, and the service life of the material is prolonged. The acrylonitrile-styrene-butadiene copolymer material provided by the invention has excellent flame retardance and physical and mechanical properties, is safe and environment-friendly, and greatly improves the anti-dripping effect.
Owner:SHENZHEN WOER HEAT SHRINKABLE MATERIAL

A continuous polymerization apparatus and method for hydrogenated styrene-butadiene block copolymer

This invention discloses a continuous polymerization reactor and method for hydrogenated styrene-butadiene block copolymers, relating to the technical field of continuous polymerization reactors for hydrogenated styrene-butadiene block copolymers. The reactor includes a reactor and a feed inlet. The feed inlet is located at the top of the reactor. Before the reaction begins, the feed inlet is opened to introduce the materials required for the reaction into the reactor. A discharge outlet is located at the bottom of the reactor. A motor is installed at the top of the reactor, and the output end of the motor is connected to a rotating ring. The motor output end drives the rotating ring to rotate. Several scrapers are rotatably installed on the surface of the rotating ring. When the rotating ring rotates, it drives the scrapers to rotate, preventing reactants from adhering to the reactor wall due to uneven texture, excessively high concentrations, or poor flowability, thus avoiding impact on the overall heat dissipation of the reactor. The scrapers only intermittently contact the inner wall of the reactor, reducing wear on the reactor.
Owner:ANHUI BAIHAOSHENG TECH CO LTD

Positive electrode slurry composition and positive electrode manufactured using same

The present disclosure provides a positive electrode slurry composition including a positive electrode active material, a conductive material, and a binder, wherein the binder includes an aramid-based polyamide polymer including a repeating unit of Formula 2 and styrene butadiene rubber (SBR), wherein the molar fraction of the repeating unit of Formula 2 is 1 to 10 mol% based on the number of moles of the total repeating units of the aramid-based polyamide polymer.         [Formula 2]     -[NH-B1-NHCO-B2-CO]- In Formula 2, B1 and B2 are each independently a divalent aliphatic organic group.
Owner:LG ENERGY SOLUTION LTD

Synthesis method of low-temperature-resistant solution polymerized styrene-butadiene rubber

PendingCN121249028AMethacrylatePolymer science
The invention discloses a synthesis method of low-temperature-resistant solution polymerized styrene-butadiene rubber, and relates to the technical field of styrene-butadiene rubber manufacturing. The synthesis method comprises the following steps: 1) synthesizing a styrene butadiene block prepolymer; 2) performing deprotection reaction; 3) rare earth catalysis in-situ chain extension; 4) preparing rubber; the preparation method comprises the following steps: preparing styrene-block-butadiene-Li through anionic polymerization, functionalizing with a beta-diketone monomer to obtain styrene-block-butadiene-acetoacetic acid ethylene glycol methacrylate-trimethylsilyl, performing deprotection reaction to obtain a beta-diketone chain extension side group block, and chelating and anchoring an active center through beta-diketone and Nd (Oct) 3 to obtain the beta-diketone chain extension side group block copolymer. Catalyzing in-situ chain extension to grow a high cis-butadiene chain; by adopting the structural design of the solution polymerized styrene-butadiene-styrene-Nd coordinated cis-butadiene composite rubber, the glass transition temperature of the product is less than or equal to-80 DEG C, and excellent low temperature resistance, mechanical property and processability are considered.
Owner:振华新材料(东营)有限公司

Current collector protective glue

ActiveUS12698424B2CellulosePolymer science
A current collector protective glue includes a solvent and an adhesive. The solvent is selected from one or more of water, ethanol, NMP, acetone, and butanone. The adhesive is selected from one or more of cellulose, polyacrylic acid, styrene-butadiene rubber, styrene butadiene rubber, and nitrile rubber.
Owner:APH EPOWER CO LTD

Anti-aging agent and application thereof, and solution polymerized styrene-butadiene rubber and preparation method thereof

PendingCN121873431APolymer scienceAntioxidant
The invention relates to the field of solution polymerized styrene-butadiene rubber, and discloses an anti-aging agent and application thereof, solution polymerized styrene-butadiene rubber and a preparation method thereof. The anti-aging agent contains a compound with a structure shown in a formula (I) and a compound with a structure shown in a formula (II), and in the formula (I) and the formula (II), n is an integer from 1 to 16. By using the anti-aging agent provided by the invention, the aging property of the solution polymerized styrene-butadiene rubber can be remarkably improved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Intelligent feeding device and method based on butadiene styrene rubber production

The invention relates to the technical field of rubber processing, and discloses an intelligent feeding device and method based on styrene butadiene rubber production, the intelligent feeding device comprises an extruder, a feeding cylinder fixedly communicated to the top of the extruder, a feeding port fixedly communicated to the top of the feeding cylinder, a driving shell fixedly connected to the top of the feeding cylinder, and a drying assembly fixedly connected to the top of the feeding cylinder; the driving shell is arranged at the top of the feeding barrel, the anti-sticking assembly is arranged in the feeding barrel, and the static eliminating assembly is arranged in the driving shell; through use of the drying assembly, raw materials enter the feeding cylinder through the feeding port, then the interior of the feeding cylinder is in a closed state by closing an electromagnetic valve, a vacuum pump is started, the vacuum pump pumps out air in the feeding cylinder through an exhaust pipe, and the interior of the feeding cylinder is in a vacuum state; and raw materials in the feeding cylinder are subjected to vacuum treatment in a vacuum state, so that water in the raw materials is released, and the effect of facilitating drying is achieved.
Owner:杭州宜邦橡胶有限公司

Intelligent control system and method for processing styrene butadiene rubber emulsion

The invention relates to the technical field of chemical production automation control, in particular to an intelligent control system and method for styrene butadiene rubber emulsion processing, and is used for solving the problems that in the prior art, reaction kinetics and a generative neural network cannot be fused to generate a deterministic operation strategy, working condition self-adaption cannot be achieved in combination with element reinforcement learning, and the working efficiency is poor. The dynamic dependency relationship among the process variables is difficult to explicitly describe by using a causal sequential network; according to the method, the aggregation intelligent optimization module fuses reaction dynamics and a generative neural network, an evolutionary multi-objective optimization algorithm locked before deployment is executed based on preprocessing parameters, the raw material utilization rate, the production takt and the product uniformity are synchronously optimized, a deterministic operation strategy is generated, working condition self-adaption is achieved in combination with meta-reinforcement learning, and the working efficiency is improved. And utilizing a causal sequential network to explicitly describe a dynamic dependency relationship among process variables, and outputting an interpretable causal graph.
Owner:杭州宜邦橡胶有限公司

A bimodal styrene butadiene copolymer and its preparation, use and articles

The application belongs to the field of polymers, and specifically discloses a S→B-(S / B)-B→S polymer which is a triblock polymer, wherein the first segment is a S→B gradual change block, the second segment is a S / B random block, and the third segment is a B→S gradual change block; in the S→B-(S / B)-B→S polymer, the total molecular weight is 70-120 thousand, the styrene content is 30-60 wt.%, and the vinyl content is 15-40 wt%; wherein the S content in the first segment is 5-10 wt%, and the B content is 2-5 wt%; the S content in the second segment is 22-43 wt%, and the B content is 40-60 wt%. The application also includes preparation and application of the copolymer. The polymer has brand-new structural characteristics, and has excellent comprehensive performance.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A drying device for styrene butadiene rubber production

The utility model relates to a production of butadiene styrene rubber related technical field, especially a kind of drying device for butadiene styrene rubber production, including drying cabinet, circulation mechanism is arranged in the drying cabinet, the shaking mechanism is arranged in the drying cabinet, the circulation mechanism includes wind cover, the wind cover is fixedly installed in drying cabinet, the top of drying cabinet is fixedly installed with hot air blower, the air outlet pipe of hot air blower is communicated with wind cover, the side of drying cabinet is fixedly installed with cabinet. By being provided with circulation mechanism, it is convenient to carry out circulation flow to the gas in drying cabinet, it is beneficial to accelerate the flow rate of gas, to facilitate drying butadiene styrene rubber, while gas in the process of flowing, it is convenient to adsorb filter gas, avoid harmful material excretion, by being provided with shaking mechanism, it is the purpose of driving butadiene styrene rubber to shake, it is beneficial to accelerate the drying efficiency of butadiene styrene rubber.
Owner:CHANGZHOU CHENGJIALI POLYMER MATERIALS CO LTD

A process for the preparation of a broad molecular weight distribution solution polymerized styrene butadiene rubber

The application provides a preparation method of solution polymerized styrene-butadiene rubber, and the method comprises the following steps: in the presence of a hydrocarbon solvent, an organic lithium is used as an initiator, an ether compound is used as a random aid, an anionic copolymerization reaction of a monovinyl aromatic compound and a conjugated diene compound is carried out, after the monomer conversion rate reaches more than 95%, a mixture of nitrogen-containing star-shaped and linear coupling agents is added, the molar ratio of the two coupling agents is 1:(1.5-15), and then antioxidants, a terminating agent, flocculation, drying and other steps are added to obtain the solution polymerized styrene-butadiene rubber product. The solution polymerized styrene-butadiene rubber with a relatively wide three-peak molecular weight distribution is obtained under the action of the special composite coupling agent, so that the processing performance of the rubber is improved; the rubber matrix after nitrogen functionalization can obviously improve the dispersity of carbon black therein, fully plays the reinforcing role of the carbon black, obviously improves the tensile strength of the rubber compound, and can make the tire simultaneously obtain excellent characteristics of low rolling resistance and high anti-wet skid resistance.
Owner:WANHUA CHEM GRP CO LTD

A flexing-resistant rubber composition for a v-belt compression layer and a method of manufacturing the same

ActiveCN121652480BV-beltsMethacrylateFiber
The application discloses a kind of for triangle band compression layer flexing-resistant rubber composition and preparation method thereof.The flexing-resistant rubber composition weight part composition includes: natural rubber 70~80 parts, styrene butadiene rubber 20~25 parts, liquid polyisoprene rubber 10~15 parts, layered inorganic powder 20~25 parts, maleic anhydride polybutadiene 1~2 parts, blue cotton short fiber 5~10 parts, carbon black 50~60 parts, white carbon black 5~10 parts, coupling agent 3~5 parts, tackifier 2~4 parts, plasticizer 2~3 parts, activator 6~8 parts, antioxidant 1.5~2.0 parts, zinc methacrylate 0.5~1 part, accelerator 1~2 parts, sulfur 2.8~3.0 parts.Liquid polyisoprene rubber is used to mechanically shear modification layered inorganic powder, and it has layered slip property when being used in rubber composition, which avoids stress concentration.Collaborate blue cotton short fiber to increase strength, limit rubber molecular chain movement, prevent crack propagation, and improve flexing resistance.
Owner:TAIZHOU BAIHUA RUBBER BELT

Modification method of acrylonitrile-styrene-butadiene copolymer and super-hydrophobic antibacterial acrylonitrile-styrene-butadiene copolymer obtained by modification method

The invention provides a modification method of an acrylonitrile-styrene-butadiene copolymer and a super-hydrophobic antibacterial acrylonitrile-styrene-butadiene copolymer obtained by the modification method. The modification method comprises the following steps: mixing an acrylonitrile-styrene-butadiene copolymer, fly ash subjected to plasma treatment, a coupling agent and an antioxidant, and sequentially performing granulation and sample preparation to obtain an acrylonitrile-styrene-butadiene copolymer product, and carrying out surface laser irradiation treatment on the acrylonitrile-styrene-butadiene copolymer product to obtain the super-hydrophobic antibacterial acrylonitrile-styrene-butadiene copolymer. Therefore, the ABS with both super-hydrophobic performance and good antibacterial performance is obtained, chemical solvents are not needed in the preparation method, the industrial waste fly ash is utilized, and the environmental protection property is better.
Owner:PETROCHINA CO LTD

Butylbenzene resin material as well as preparation method and application thereof

PendingCN121758665APolymer scienceSide reaction
The invention relates to the technical field of polymer synthesis, in particular to a butylbenzene resin material as well as a preparation method and application thereof. According to the preparation method, under the condition that an activating agent is not used, the microreactor is used in a matched mode, reaction controllability, system uniformity, simple and efficient operation and high coupling efficiency of the butylbenzene resin material can be achieved, and generation of gel side reactions is reduced; the reaction repeatability is good, and the product quality stability can still be ensured under the process fluctuation conditions of multiple batches, temperature and feeding speed. And meanwhile, the prepared styrene-butadiene resin material has relatively narrow molecular weight distribution.
Owner:WANHUA CHEM GRP CO LTD

Golf ball with short flight distance and preparation method thereof

The invention relates to the field of golf ball processing, and particularly discloses a golf ball with a short flight distance and a preparation method thereof, and the golf ball with the short flight distance comprises a ball center and a ball cover; the ball core is prepared from the following raw materials in parts by weight: 90 to 110 parts of butadiene styrene rubber, 12 to 18 parts of a cross-linking agent, 8 to 12 parts of a dispersing agent, 25 to 35 parts of filler, 8 to 12 parts of a vulcanization accelerator and 0.3 to 0.6 part of a vulcanizing agent; the ball skin is prepared from the following raw materials in parts by weight: 90 to 110 parts of hard surlyn resin and 50 to 70 parts of soft surlyn resin; the preparation method comprises the following steps: uniformly mixing the styrene butadiene rubber, the cross-linking agent, the dispersing agent, the filler, the vulcanization accelerator and the vulcanizing agent, banburying, extruding, heating and pressurizing to obtain a sphere center; the hard surlyn resin and the soft surlyn resin are mixed and then coated on the surface of the ball center through injection molding treatment to form a ball cover, and the golf ball is obtained. The method has the advantage of short flight distance.
Owner:QINGDAO OUTON SPORTS GOODS CO LTD