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250 results about "Rubber technology" patented technology

Rubber Technology is the subject dealing with the transformation of rubbers or elastomers into useful products, such as automobile tires, rubber mats and, exercise rubber stretching bands. The materials includes latex, natural rubber, synthetic rubber and other polymeric materials, such as thermoplastic elastomers. Rubber processed through such methods are components of a wide range of items.

Bio-based reinforcing resin, preparation method, rubber composition and application

PendingCN120248340APolymer scienceVulcanization
The invention belongs to the technical field of rubber, and discloses bio-based reinforced resin, a preparation method, a rubber composition and application. The bio-based reinforced resin is prepared from lignin, cashew nut shell oil, rosin or derivatives thereof and a vegetable fat modifier, the biochar content is up to 100%, the Mooney viscosity and MH of a sizing material are obviously reduced, and the bio-based reinforced resin has the advantages of long scorching time and high vulcanization speed in the sizing material application process.
Owner:SHANDONG SHENGQUAN NEW MATERIALS CO LTD

TPV sealing material and preparation method thereof

PendingCN121343288AVulcanizationEPDM rubber
The invention relates to the technical field of thermoplastic vulcanizates, and discloses a TPV sealing material and a preparation method thereof. The TPV sealing material is prepared from the following raw materials in parts by weight: 10 to 30 parts of PP resin, 40 to 60 parts of EPDM rubber, 10 to 20 parts of polylactic acid, 15 to 25 parts of filler, 0.5 to 1.5 parts of vulcanizing agent, 0.3 to 1.5 parts of vulcanization accelerator, 5 to 10 parts of compatilizer, 1 to 4 parts of modified heat stabilizer and 0.5 to 3 parts of modified anti-aging agent. Through preparation of the modified heat stabilizer, structural damage or sealing failure caused by thermal aging of a system can be reduced, and the service life of the sealing material is greatly prolonged; the preparation of the modified anti-aging agent can effectively resist the corrosion of environmental factors such as thermal oxidation and ozone to the system, and prevent the problems of cracking, hardening, elasticity attenuation, sealing failure and the like of the sealing material after long-term use.
Owner:GUANGDONG JINYUAN PLASTIC TECH CO LTD

Anti-discoloration rubber composition for colored tires and preparation method thereof

The present application relates to the technical field of colored tire rubber, and specifically discloses an anti-discoloration rubber composition for colored tires and its preparation method. An anti-discoloration rubber composition for colored tires is prepared by first preparing modified colored silica, then using solution-polymerized styrene-butadiene rubber, natural rubber, and EPDM as the rubber matrix, adding modified colored silica for coloring and reinforcement, and then adding polydicyclopentadiene resin, titanium dioxide, YDH-151 silane coupling agent, zinc oxide, stearic acid, sulfur and TBBS accelerator, protective wax, AFS / LG antioxidant, antistatic agent and other auxiliary agents to prepare the anti-discoloration rubber composition for colored tires. The anti-discoloration rubber composition for colored tires prepared in this application has the advantages of stable color, aging resistance, good tensile strength, strong wear resistance, and strong weather resistance.
Owner:QINGDAO JERINA RUBBER TECH CO LTD

Wear-resistant rubber composite material and preparation method thereof

The invention relates to the technical field of rubber, and relates to a wear-resistant rubber composite material and a preparation method thereof. The wear-resistant rubber composite material is prepared from the following components in parts by weight: 100 parts of a rubber matrix, 30 to 60 parts of multi-stage core-shell structure composite filler, 10 to 15 parts of carbon black, 1.0 to 2.5 parts of a vulcanizing agent, 0.5 to 2.0 parts of an accelerant, 3 to 6 parts of an active agent and 1 to 3 parts of an anti-aging agent, the multi-stage core-shell structure composite filler sequentially comprises a rigid inorganic nano-particle core, a rigid inorganic nano-particle core and a rigid inorganic nano-particle core from inside to outside, the core is coated with the first shell layer, the first shell layer is a mesoporous silica layer, and a silane coupling agent containing sulfur groups is modified in the mesoporous silica layer; and the second shell layer is coated outside the first shell layer and is a hyperbranched polymer layer. According to the wear-resistant rubber composite material provided by the invention, the comprehensive mechanical property and wear resistance of the rubber composite material are improved.
Owner:CLINTAIR (HEBEI) ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Silicone rubber and preparation method thereof

The invention discloses silicone rubber and a preparation method thereof, and belongs to the technical field of silicone rubber, and the silicone rubber is prepared from the following raw materials: raw vinyl silicone rubber, zinc acrylate, a platinum catalyst, a hydrogen-containing silicone oil cross-linking agent and silicon carbide nanowires. According to the invention, a covalent network based on raw vinyl silicone rubber is constructed in the silicone rubber, and zinc acrylate and silicon carbide nanowires form an ionic network, so that the double-network structure not only can improve the technical problem of high probability of rubber overflow in the preparation process of the silicone rubber, but also can enable the silicone rubber to obtain better mechanical properties.
Owner:MIDGOLD SILICONE (YICHANG) CO LTD

MXene / CNTs self-assembled conductive rubber and preparation method thereof

PendingCN119912738APolymer scienceLatex rubber
The invention relates to MXene / CNTs self-assembled conductive rubber and a preparation method thereof, and belongs to the technical field of conductive rubber. Through treatment, the CNTs have positive electricity and can be subjected to electrostatic self-assembly with MXene with negative electricity, the assembled conductive filler can be further assembled with latex particles of rubber through electrostatic interaction, the conductive filler and the latex particles are gelatinized together to prepare conductive rubber, and the conductive functional filler can form a good conductive network in a rubber matrix, so that the conductivity of the conductive rubber is improved. Therefore, the sensitivity, the stability and the durability of the conductive rubber are improved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Natural rubber with high conductivity and preparation method thereof

PendingCN119978566ACellulosePolymer science
The invention discloses natural rubber with high conductivity and a preparation method thereof, and belongs to the technical field of conductive rubber.The natural rubber is prepared from 100 parts of natural latex, 5-40 parts of conductive filler, 0.5-20 parts of cellulose, 1-10 parts of zinc oxide, 0.5-5 parts of sulfur, 0.5-5 parts of accelerant, 1-5 parts of stearic acid, 0.05-1 part of potassium hydroxide, 0.05-1 part of dispersing agent NF and 0.5-20 parts of casein; the natural rubber with high conductivity is obtained through preparation of a natural latex solution, cellulose treatment and preparation of a cellulose solution, mixing of a conductive filler and the cellulose solution to prepare a suspension, mixing of the suspension and the natural latex, solidification forming by a low-temperature freezing method, and hot-pressing vulcanization. The method has the advantages of being simple in process, low in cost, environmentally friendly and the like, and the produced composite material has good electrical properties, flexibility and mechanical properties.
Owner:GUANGXI UNIV

Anti-aging sealing rubber material and preparation process thereof

InactiveCN120464037ARubber materialPolymer science
The invention relates to the technical field of sealing rubber, and particularly discloses an anti-aging sealing rubber material and a preparation process thereof, and anti-aging modified styrene-butadiene rubber, butadiene rubber, white carbon black, zinc oxide, stearic acid, load accelerator lignin and other rubber additives are mixed into the anti-aging sealing rubber material in a mixing and vulcanizing manner. The prepared aging-resistant sealing rubber material has good tensile strength and elongation at break, also has excellent aging resistance, and can solve the problem that the aging resistance of the sealing rubber material is not good enough.
Owner:浙江泰科威科技有限公司

Preparation method of durability-enhanced modified rubber and application of durability-enhanced modified rubber in sole material

The invention relates to the technical field of modified rubber, in particular to a preparation method of durability-enhanced modified rubber and application of the durability-enhanced modified rubber in a sole material. The method comprises the following steps: 1, preparing raw materials; step 2, plastifying; step 3, mixing the master batch; 4, mixing the final mixed rubber; step 5, vulcanization molding; according to the preparation method of the durability-enhanced modified rubber and the application of the durability-enhanced modified rubber in a sole material, the modified rubber can improve the comprehensive performance of a sole, and the Brazilian trefoil rubber endows the sole with good elasticity; according to the present invention, the rigidity and the wear resistance of the sole are enhanced by the ancient Titan wave glue, the sole adapts to various complex pavements, the plasticizer pine tar softens the rubber, the secondary combination of the lignin fiber and the vulcanized rubber network can further increase the mechanical property of the rubber, and the vulcanizing efficiency is improved by adding the active agent; and comprehensively, the quality and durability of the sole are improved, so that the practicability of the modified rubber applied to the sole material is improved.
Owner:QUANZHOU XUANMEI SHOE IND CO LTD

Wear-resistant sole rubber as well as preparation method and application thereof

The invention relates to the technical field of rubber for shoes, in particular to wear-resistant sole rubber and a preparation method and application thereof.The wear-resistant sole rubber comprises raw rubber and additives, the raw rubber is composed of rare earth butadiene rubber and block type high styrene vinyl solution polymerized styrene-butadiene rubber, the additives comprise a reinforcing filler, a plasticizer, a surface modifier of the reinforcing filler, a peroxide bridging agent, an accelerant of the peroxide bridging agent, an anti-aging agent and an iron ion absorbent, the raw rubber and part of the additives are mixed and then internally mixed to obtain a mixture, then the mixture is subjected to thin-passing after being discharged and then processed into a sample sheet, and the sample sheet is subjected to hot pressing to obtain the high-strength rubber. And spreading the obtained first intermediate, adding a peroxide bridging agent, carrying out triangular bag making and sheet discharging, and vulcanizing the obtained second intermediate in a mold to obtain the wear-resistant sole rubber. The wear resistance of rubber soles with special purpose requirements such as sports shoes and outdoor shoes prepared by the invention is greatly improved, and higher wear resistance requirements can be met.
Owner:PETROCHINA CO LTD

A kind of thermal conductive silicone rubber and preparation method thereof

ActiveCN119039789BPolymer scienceCyclohexanol
The present invention relates to the technical field of thermally conductive silicone rubber, and in particular to a thermally conductive silicone rubber and a preparation method thereof. The present invention proposes a thermally conductive silicone rubber and a preparation method thereof. A thermally conductive silicone rubber, the raw materials of the silicone rubber include: vinyl-terminated polydimethylsiloxane, vinyl MQ resin, hydrogen-containing silicone oil, ethynyl cyclohexanol, and modified silver powder; the modified silver powder is a mixture containing silicone resin and silver powder. In the thermally conductive silicone rubber provided by the present invention, by using silicone resin-coated silver powder, the thermally conductive silicone rubber of the present invention has suitable fluidity and high thermal conductivity before curing, which can meet the market demand for the use of ultra-high thermal conductivity silicone rubber. The thermally conductive silicone rubber provided by the present invention can be applied to structural heat dissipation components such as ultra-high power light-emitting chips.
Owner:BEIJING KMT TECH

ACM rubber material for sealing high-performance transformer and preparation method of ACM rubber material

The invention relates to the technical field of transformer sealing rubber, in particular to an ACM rubber material for sealing a high-performance transformer and a preparation method of the ACM rubber material. The ACM rubber sizing material for sealing the high-performance transformer comprises the following raw materials: 80-150 parts of acrylate rubber, 5-15 parts of ethylene acrylate rubber, 5-15 parts of epoxy resin, 5-10 parts of graphene oxide, 1-5 parts of tetraethoxysilane, 1-3 parts of dendritic polyamidoamine, 1-2 parts of a plasticizer, 1-3 parts of an anti-aging agent, 1-2 parts of a vulcanizing agent and 0.1-0.5 part of an assistant vulcanizing agent. The preparation method is simple, all the raw materials are uniformly mixed, the crosslinking effect is good, the rubber material strength is high, the service life of the transformer sealing element under the low-temperature working condition can be remarkably prolonged, the leakage rate can be remarkably reduced, the rubber material has the extremely low compression set rate and the high mechanical performance, and reliable guarantee is provided for safe operation of electrical equipment.
Owner:HANGZHOU SHOWER RUBBER ENG CO LTD

A rubber composite material for high-performance tires and its preparation method

The present invention relates to the technical field of rubbers for tires, and particularly relates to a rubber composite material for high-performance tires and a preparation method thereof. The raw materials of the above-mentioned rubber composite material for high-performance tires include, by mass parts: 50-100 parts of nitrile rubber, 10-30 parts of styrene-butadiene rubber, 10-20 parts of silicate mineral powder, 1-2 parts of saturated ammonia water, 5-10 parts of tetraethyl orthosilicate, 5-10 parts of amino-terminated liquid nitrile rubber, 1-5 parts of graphene oxide, 1-2 parts of carboxyl-terminated polyamidoamine, 5-10 parts of silica supported, 1-5 parts of organic bentonite, 0.1-1 part of zinc oxide, 1-3 parts of crosslinking agent, 1-2 parts of vulcanization accelerator, 1-3 parts of antioxidant, 1-3 parts of stearic acid, and 1-3 parts of dispersant. The rubber composite material prepared by the present invention has wear resistance and tear resistance, and on the basis of meeting the rubber performance requirements for tires, has excellent mechanical properties, good friction reduction effect, and at the same time, the preparation method is simple.
Owner:UNITED RUBBER & PLASTIC PROD

A hydrazide compound, a rubber composition, and a method for preparing and using the same

The present application relates to the technical field of rubber, in particular to a kind of hydrazide compound, rubber composition and its preparation method and application.The present application provides a kind of hydrazide compound, is mono-hydrazide compound or double hydrazide compound, they have lower melting point, can be well dispersed in rubber matrix in the range of mixing temperature, further ensure its effect.And the hydrazide compound of this kind is added to rubber composition, can obtain the tire product of processing performance improvement, dynamic modulus promotion, anti-wet sliding and balanced rolling resistance.
Owner:ZHONGCE RUBBER GRP CO LTD

Rubber material with low vulcanization activation energy as well as preparation method and application thereof

The invention discloses a rubber material with low vulcanization activation energy as well as a preparation method and application thereof, and relates to the technical field of rubber. The invention provides a rubber material with low vulcanization activation energy. The rubber material is prepared from the following components in parts by weight: 100 parts of rubber, 0.5-5 parts of sulfur, 0.3-5 parts of an accelerant, 3-10 parts of metal oxide, 1-8 parts of stearic acid, 0.5-5 parts of organic alkali and 0-5 parts of a dispersing agent. The method does not need to greatly adjust the original formula of a rubber product, has the advantages of low-temperature rapid vulcanization, maintenance of the original performance of the rubber product and the like, and can realize energy conservation and emission reduction, improve the production efficiency, prolong the service life of equipment and improve the operation comfort of workers.
Owner:BANGYI IND (SHANGHAI) CO LTD

High-strength rubber transmission belt as well as preparation method and application thereof

The invention relates to the technical field of rubber, and provides a high-strength rubber transmission belt as well as a preparation method and application thereof. The high-strength rubber transmission belt is prepared from the following raw materials in parts by weight: 90 to 110 parts of ethylene propylene diene monomer, 6 to 10 parts of aramid fiber, 3 to 9 parts of nylon, 40 to 50 parts of filler, 4 to 6 parts of vulcanizing activator, 5 to 9 parts of paraffin oil, 4 to 7 parts of adhesive, 3 to 4 parts of anti-aging agent, 11 to 15 parts of auxiliary vulcanizing agent, 2 to 4 parts of vulcanizing agent and 0.1 to 0.5 part of scorch retarder. The filler is prepared from the following raw materials in parts by weight: 100 parts of carbon black, 5 to 7 parts of 4-maleimidobenzoic acid and 5 to 7 parts of 2, 2-dimethylolpropionic acid. Through the technical scheme, the problem of insufficient strength of the rubber transmission belt in the related technology is solved.
Owner:河北黑一橡胶有限公司

Composite masterbatch-containing cord fabric rubber composition and preparation method thereof

The invention relates to the technical field of tire rubber, and discloses a cord fabric rubber composition containing composite masterbatch and a preparation method of the cord fabric rubber composition. Composite masterbatch is introduced into the rubber composition, and the rubber composition is prepared by mixing natural rubber, liquid regenerated rubber, cracked carbon black and hexamethylenetetramine. Wherein the glass transition temperature Tg of the liquid regenerated rubber is-60 to-50 DEG C, and the oil content of the liquid regenerated rubber is 4-8wt%; the BET specific surface area of the cracked carbon black is 60-100 m < 2 >. G <-1 >, the ash content is 15-25 wt%, and the ZnS content in the ash content is 5-12 wt%. The added composite master batch can effectively replace part of natural rubber and furnace black, the bonding strength and fatigue resistance of the rubber material are improved and the scorching safety area is expanded on the premise of not influencing the mechanical properties of the rubber composition, and the composite master batch is beneficial to reduction of heavy metal emission and carbon emission and improvement of economic benefits.
Owner:ZHONGCE RUBBER GRP CO LTD +1

Insulating flame-retardant rubber tube for automobile temperature control system and preparation method of insulating flame-retardant rubber tube

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.
Owner:HEBEI QIRUITE RUBBER & PLASTIC PROD CO LTD

A chloroprene rubber compound, a preparation method and application thereof, and a rubber pad

The application belongs to the technical field of rubber, and particularly relates to a chloroprene rubber compound, a preparation method and application thereof, and a rubber pad. The chloroprene rubber compound comprises the following components in mass fractions: chloroprene rubber 40-80 parts; cis-butadiene rubber 20-60 parts; flame retardant 50-90 parts; titanium white powder 4-10 parts; reinforcing agent 42-65 parts; anti-aging agent 1-4 parts; silane coupling agent 4-16 parts; plasticizer 4-12 parts; mildew-proof agent 0.5-4 parts; vulcanizing agent 1-3 parts; activator 0.5-3 parts; accelerator 0.2-15 parts; and the flame retardant comprises flame retardant SFR-3B and aluminum hydroxide. The chloroprene rubber compound provided by the application can further improve the thermal stability of the compound on the basis of ensuring the flame retardant property.
Owner:CHEMCHINA SHUGUANG RUBBER IND RES&DESIGN INST C

Anisotropic radiation-resistant rubber and preparation method thereof

PendingCN120699437APolymer scienceActive agent
The invention relates to the technical field of anisotropic rubber, and particularly discloses anisotropic radiation-resistant rubber and a preparation method thereof, aiming at the problems that rubber used in nuclear industry such as shock absorption and isolation rubber components is always easy to crack, discolor, harden and the like due to the influence of a nuclear radiation environment at present, and particularly discloses the anisotropic radiation-resistant rubber and the preparation method thereof. Comprising 10%-30% of a rubber matrix, 65%-68% of irradiation-resistant particles, 1%-3.5% of an active agent, 1.2%-3.7% of an anti-aging agent, 3%-5% of a reinforcing agent, 0.8%-1.2% of a softening agent, 0%-0.2% of an accelerant and 0.5%-1.2% of a vulcanizing agent. Each radiation-resistant particle comprises a core layer, a middle layer and a shell layer, the core layer comprises lead tungstate and bismuth oxide, the middle layer comprises a biphenyl-nano SiO2 bonding body, and the shell layer comprises diphenyl acetylene grafted graphene oxide. By introducing the radiation-resistant particles with multiple structures and functional characteristics, the material performance stability of the anisotropic rubber in a radiation environment can be remarkably improved, so that the use requirements of the fields and scenes such as nuclear industry devices and the like are met.
Owner:NUCLEAR POWER INSTITUTE OF CHINA

High-hardness silica gel strip and preparation method thereof

ActiveCN120209583APolymer scienceSilica gel
The invention relates to the technical field of rubber, in particular to a high-hardness silica gel strip and a preparation method thereof. The silica gel strip comprises a silica gel main body, a sulfurizing modified stainless steel wire and a winding fiber layer. The silica gel main body is prepared from raw materials such as methyl vinyl silicone rubber and fumed silica, stainless steel wires modified by sulfurizing are embedded in the silica gel main body, and the winding fiber layer is formed by spirally coating the surface of the silica gel main body with aramid fibers. Through the enhanced synergistic effect of the sulfurizing modified stainless steel wires and the winding fiber layer, the silica gel strip shows excellent tensile strength, bending strength and fatigue life, can be widely applied to the fields of photovoltaic modules, aerospace, automobile manufacturing and the like, remarkably prolongs the service life and reduces the maintenance cost.
Owner:SHANDONG DEHAI YOULI NEW ENERGY CO LTD

Tire base rubber composition for off-road tire

The invention relates to the technical field of rubber, in particular to an off-road tire base rubber composition. Based on 100 parts by weight of natural rubber components, the natural rubber composition further comprises the following components in parts by weight: 20-40 parts of carbon black, 5-15 parts of silicon dioxide hydrate, 5-20 parts of nano zinc oxide, 1-3 parts of stearic acid, 1-3 parts of p-phenylenediamine, 1-3 parts of a ketoamine anti-aging agent, 1-3 parts of bis (triethoxysilyl) propyl tetrasulfide, 1-5 parts of carbon nanotubes CNT, 1-4 parts of N, N '-m-phenylene bismaleimide, 0.5-2 parts of sulfur and 0.5-2 parts of a sulfenamide accelerant. The modulus of the rubber material is improved by adding the CNT, so that the consumption of carbon black is reduced, and heat generation is reduced; by adding nano zinc oxide and carbon nanotubes, the heat conductivity of the rubber material is improved; and by adding the N, N '-m-phenylene bismaleimide, the heat resistance of the rubber material is improved.
Owner:TRIANGLE TIRE

A modified white carbon black-based white carbon black wet glue, a preparation method and application thereof

The application discloses modified white carbon black wet rubber glue based on white carbon black as well as a preparation method and application thereof, and belongs to the technical field of rubber.The solution blending method is used in the embodiment of the application, and the prepared modified white carbon black can be easily uniformly dispersed in a rubber matrix.Compared with the prior art, the application can further improve the dispersion of high filling amount white carbon black in the rubber material, and can adjust the types and contents of two silane coupling components to control the mechanical properties and fatigue resistance of the wet rubber glue.The white carbon black wet rubber glue can be applied in tire preparation and has excellent comprehensive performance.
Owner:CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES

Anti-chip carcass compound composition for giant earthmover tire and method for preparing the same

PendingCN122255573AImproved resistance to cracks and cracksGuaranteed service lifeSpecial tyresDiphenylmethaneTire bead
The present application relates to the technical field of rubber, in particular to a kind of giant engineering machinery tire anti-split body rubber composition and preparation method thereof. With 100 parts by weight of natural rubber component as benchmark, further comprising the following components: natural rubber 100 parts, carbon black 40-50 parts, zinc oxide 6-8 parts, cobalt salt 0.2-0.4 parts, antioxidant 2246 0.5-1 part, antioxidant S-TMQ 0.2-1.0 parts, N,N'-4,4'-diphenyl methane bismaleimide 0.5-1.5 parts, insoluble sulfur 8-12 parts, accelerator 0.3-0.7 parts, anti-scorching agent 0.05-0.15 parts. The present application solves the shortcomings of lower adhesive property of body rubber and insufficient anti-splitting ability of existing technology under harsh road conditions and hot and humid, steam, salt water environment, greatly reduces the occurrence probability of body delamination and bead bulging under hot and humid environment in Southeast Asia, improves the anti-splitting ability of body rubber, and ensures the service life of giant tire under high load operation.
Owner:TRIANGLE TIRE

Synthetic process for producing polyurethane rubber

The invention discloses a synthesis process for polyurethane rubber production, relates to the technical field of polyurethane rubbers, and aims to solve the technical problem of low synthesis efficiency of existing polyurethane rubbers. The method is realized based on a synthesis device, and the synthesis device comprises a rack, a fan, a heating mechanism, a transmission shell group and a synthesis mechanism are arranged on a rack, and a driving and adjusting mechanism drives a main rotating assembly, a driven rotating assembly, a fixed assembly, a switching assembly and a movable assembly to form a revolution state, so that the heating mechanism uniformly melts solid polyester polyol put into a reaction box group, and then solid isocyanate is added to uniformly melt the solid polyester polyol; and finally, the state of the movable assembly is adjusted through the driving and adjusting mechanism, so that the movable assembly forms a mixed state, the production period is greatly shortened, and compared with traditional batch production, the production efficiency can be further improved, and the requirement of the market for polyurethane rubber can be met.
Owner:TIANJIN AINY ELE MECHANICAL

Environment-friendly weather-resistant handrail belt rubber material, preparation method, product and application

PendingCN122344357ARubber materialActive agent
The application belongs to the technical field of rubber, and particularly relates to an environment-friendly weather-resistant high-wear-resistance handrail belt rubber material and a preparation method thereof. The rubber material comprises, in terms of weight parts, 80-95 parts of styrene-butadiene rubber, 5-20 parts of butadiene rubber, 70-90 parts of carbon black, 6-9 parts of active agent, 3-5 parts of environment-friendly paraffin oil or naphthenic oil, 4-7 parts of anti-aging agent composition, 1-2 parts of accelerator and 1.5-2.5 parts of vulcanizing agent. The anti-aging agent composition is a combined system of p-phenylenediamine anti-aging agent and quinoline anti-aging agent. Through the synergistic effect of the rubber combined system, the gradation optimization of the reinforcing system and the synergistic effect of the anti-aging agent composition, the application simultaneously realizes high wear resistance, excellent weather resistance (ozone and thermal oxygen aging resistance), low-temperature toughness at-45 DEG C and environment-friendly performance of PAHs <= 10 ppm, and the comprehensive performance is significantly better than that of the existing handrail belt material, and the eight-year service life requirement of public places can be met.
Owner:TAICANG GUANLIAN POLYMERIC MATERIAL

Soundproofing rubber composite material, method for its production and use

The application provides a sound insulation rubber composite material and a preparation method and application thereof, and belongs to the technical field of rubber, and the preparation method comprises the following steps: butyl rubber and ethylene-propylene-diene rubber are added into a banbury mixer for plasticizing, then carbon black, a metal oxide compound, a modifying additive, a vulcanization activator and an antioxidant are added for mixing, vulcanization accelerators and vulcanization agents are further added for mixing, and then glue is discharged to obtain a rubber compound; the rubber compound is placed in an open mill for thin mixing and storage to obtain a mixed rubber; the mixed rubber is vulcanized on a flat vulcanizing machine to obtain the sound insulation rubber composite material; wherein the metal oxide compound is prepared by calcining and crushing cerium dioxide, titanium dioxide and silicon dioxide; and the modifying additive is prepared by using a functional polymer and modified hollow glass microbeads; the sound insulation rubber composite material has good sound insulation performance and durability, and the preparation process is simple.
Owner:DONGGUAN XIANGYOU RUBBER PLASTIC TECH CO LTD

An organic cobalt salt for improving the tensile strength of rubber and its preparation method

PendingCN122080434Ahigh tensile strengthlow softening pointPolymer sciencePropanoic acid
This invention discloses an organocobalt salt for improving the tensile strength of rubber and its preparation method, belonging to the field of rubber technology. The organocobalt salt for improving the tensile strength of rubber comprises, by mass parts, 140-210 parts of organosilicon vegetable fatty acid, 20-30 parts of solvent, 20-30 parts of cobalt hydroxide, and 10-16 parts of propionic acid. The organosilicon vegetable fatty acid is obtained by reacting rosin with organosilicon maleimide. The organosilicon maleimide is obtained by reacting maleic anhydride with a silicon-containing long-chain fatty amine. The silicon-containing long-chain fatty amine is obtained by reacting methyldiethoxysilane with an unsaturated long-chain fatty amine. The organocobalt salt obtained by this invention has a good effect on promoting the adhesion between metal and rubber while effectively improving the tensile strength of rubber.
Owner:JIANGYIN SANLIANG CHEM

Nitrile rubber preparation equipment

The utility model provides nitrile rubber preparation equipment, which belongs to the technical field of nitrile rubber, and comprises a rubber mixing mechanism and a fixed frame, the top of the fixed frame is fixedly connected with a material guide mechanism, and the inner side of the fixed frame is fixedly connected with a storage mechanism. The storage box, the electric heating tube, the temperature controller and the ventilating fan are additionally arranged on the fixing frame, the storage box provides storage space for nitrile rubber, meanwhile, when electric energy is transmitted into the temperature controller through an external control part, the temperature controller detects the temperature in the storage box, and the ventilating fan is arranged in the storage box. When the temperature in the storage box is too low, the temperature controller transmits electric energy to the interior of the electric heating pipe, at the moment, the electric heating pipe conducts heat into the storage box through the electric heating effect, meanwhile, the ventilating fan rotates, the air velocity of the storage box is increased, and then the storage effect of nitrile rubber is improved.
Owner:JINING ZHONGTIAN NEW MATERIALS CO LTD

High-pressure-gas-resistant tear-resistant water heater sealing rubber material and production process thereof

The invention relates to the technical field of sealing rubber, and discloses a high-pressure gas-resistant tear-resistant water heater sealing rubber material and a production process thereof, the high-pressure gas-resistant tear-resistant water heater sealing rubber material comprises the following raw materials by weight: 90-110 parts of a rubber matrix, 60-80 parts of nitrile rubber, and 20-40 parts of hydrogenated nitrile rubber; the acrylonitrile content of the nitrile rubber is 32%-36%; the composite material comprises the following components in parts by weight: 30-45 parts of a reinforcing filler system, 20-30 parts of carbon black N550 and 8-15 parts of nano white carbon black, and the nano white carbon black is precipitated white carbon black. 1.5 to 3 parts of a coupling agent, wherein the coupling agent is at least one of bis-(gamma-triethoxysilylpropyl) tetrasulfide and bis-(gamma-triethoxysilylpropyl) disulfide; the nitrile rubber and the hydrogenated nitrile rubber are cooperatively used, the carbon black N550 and the nano white carbon black in a specific proportion are matched to form a reinforcing system, and meanwhile, the silane coupling agent is used for enhancing interface bonding, so that the material has excellent mechanical properties and high pressure resistance.
Owner:GUANGDONG BELLO NEW MATERIALS TECHNOLOGY CO LTD