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Giant engineering tire tread rubber and giant engineering tyre using the same
InactiveCN101440176ASolve wear resistanceSolve heat resistanceSpecial tyresHeat resistanceTear resistance
The invention discloses tread rubber for a large project tire and the large project tire using the tread rubber. The tread rubber for the large project tire consists of (A) tread cap rubber, (B) tread center rubber and (C) tread base rubber. On one hand, the invention adopts rubber matrixes with three different formulas to well solve the problem that an outer layer is easy to overcure if the tread rubber for the large project tire is thick; and on the other hand, the tread rubber prepared by the three formulas of the rubber matrixes can obtain superior equilibrium between abrasion resistance, heat resistance, tear resistance, low heat generation and curing speed.
Owner:HAOHUA SOUTH CHINAGUILIN RUBBER
Rubber composition, tyre tread rubber and preparation method thereof
ActiveCN103788422AImprove securityEnsure safetySpecial tyresRolling resistance optimizationRubber materialRolling resistance
The invention relates to a rubber composition. The composition comprises a main body rubber, a vulcanizing agent, a vulcanization accelerator, an activator and a reinforcing agent. The composition also comprises liquid isoprene rubber. The main body rubber comprises natural rubber, butadiene rubber and solution polymerized styrene-butadiene rubber. The invention also discloses tyre tread rubber and a preparation method thereof. The tyre tread rubber provided by the invention is low in processing energy consumption, good in surface quality of extruding and calendaring rubber materials, good in physical and mechanical properties and ageing resistant property, and relatively small in compression set and heat generation, and can improve durability of the tyre and prolong the service life of the tyre. The tyre tread rubber provided by the invention has good wet skid resistance and low rolling resistance, can guarantee security of the tyre in a driving process and is benefit for energy conservation of the tyre.
Owner:CHINA PETROLEUM & CHEM CORP +1
Rubber material formula of car tires and production method thereof
The invention relates to a formula of tire rubber, in particular to a rubber material formula of car tires. The rubber material formula of car tires, provided by the invention, is composed of following components in parts by weight: 110-140 parts of crude rubber material, 60-110 parts of reinforcing agent, 10-15 parts of environment-friendly aromatic hydrocarbon oil, 2-3 parts of activating agent, 2-4 parts of anti-aging agent, 1-2 parts of microcrystal wax, 2-5 parts of accelerator and 2-2.5 parts of vulcanizing agent. The tires prepared by the rubber material formula disclosed by the invention have greatly improved safety and reduced oil consumption; and the design meets the requirements for environment protection, safety and energy saving of the car tires.
Owner:克劳斯玛菲股份有限公司
Rubber for sports shoe soles and preparation method thereof
InactiveCN108192163AImprove physical strengthGood vibration damping performanceSolesChemistryButadiene-styrene rubber
The invention discloses rubber for sports shoe soles. The rubber for the sports shoe soles comprises the following components in parts by mass: 30-70 parts of butadiene rubber, 20-40 parts of naturalrubber, 15-30 parts of brominated butyl rubber, 10-20 parts of solution-polymerized styrene-butadiene rubber, 5-10 parts of glass fiber, 2-5 parts of polyethylene glycol, 0.5-2 parts of zinc stearate,2-5 parts of zinc oxide powder, 2.5-4 parts of a vulcanizing agent, 1.5-2.5 parts of an accelerator, 30-50 parts of white carbon black, 3-4.5 parts of a silane coupling agent, 4-7 parts of a homogenizing agent, 2-5 parts of softening oil, 1-3 parts of an anti-aging agent and 0.5-1 part of paraffin. The invention further provides a preparation method of the rubber for the sports shoe soles. Rubbershoe soles for sports shoes, prepared according to the technical scheme adopted by the invention, have many properties such as super wear resistance, good folding resistance and anti-slip performance; the preparation method is simple in production process and is suitable for wide application.
Owner:ANTA CHINA
All-steel tread sizing material and preparing method thereof
The invention belongs to the field of chemical engineering, and particularly relates to an all-steel tread sizing material and a preparing method thereof. The sizing material comprises, by weight, 65-85 parts of cis-form 1, 4-polyisoprene rubber, 15-35 parts of based neodymium cis-rich polybutadiene, 40-50 parts of carbon black V9H, 2 parts of anti-aging agents 4020, 2 parts of anti-aging agents RD, 2 parts of protecting wax, 1-2 parts of plasticizer, 1.8 parts of sulphur, 1.0 part of accelerant, 3.0 parts of nano-zinc oxide and 2.0 parts of stearic acid. The sizing material has the advantages of being low in themogenesis, good in wear-resisting property and the like.
Owner:SHANDONG LINGLONG TIRE
Rubber composition for leaf spring lug bushing for automobile
The invention discloses a rubber composition for a leaf spring lug bushing for an automobile. The rubber composition is characterized by comprising the following components in parts by weight: 100 parts of rubber, 1.5-3 parts of a p-phenylenediamine type anti deteriorant, 1.5-3 parts of a hydrogenated quinoline type anti deteriorant, 3-5 parts of microcrystalline wax, 5-8 parts of an active agent, 1-2 parts of stearic acid, 3-6 parts of resin, 3-5 parts of a processing addition agent, 5-8 parts of a slipping agent, 3-5 parts of a fatty oil plastifier, 5-10 parts of a petroleum plastifier, 60-95 parts of carbon black, 1.5-2.1 parts of an accelerant, and 1.5-1.8 parts of a vulcanizing agent. Through the adoption of the rubber composition disclosed by the invention, the lubricating property between the lug bushing and a bearing is improved, the friction noise is reduced, and the abrasion resistance is improved, so that the lug bushing is not invalid under the long-term use state, under the circumstance that the cost is not increased, the fabrication process is simple, and the lug bushing is convenient to use and mount.
Owner:SHANGHAI ZHONGLI AUTO PARTS
Double-end-functionalized ternary copolymer rubber and preparation method thereof
The invention provides ternary copolymer rubber with both double ends of a macromolecular chain being functionally modified. In the invention, a functionalization initiator and an end terminating method are employed so that different functional groups are formed on two ends of the molecular chain and meanwhile the two ends of the molecular chain have excellent binding force with carbon black / white carbon black. On one end, an organic lithium initiator having a protecting group is employed to enable the molecular chain to contain a [-Si-(OR)3] group, which is beneficial to nano dispersion of a filler in a rubber substrate; and on the other end, a carboxylic group is included so that interaction with carbon black is promoted, thereby promoting dispersion of the carbon black in the rubber substrate. Meanwhile, the two ends of the macromolecular chain act on the carbon black / white carbon black to reduce the freedom degree of a chain section between a final crosslinked point and a chain terminal in the rubber network, so that the macromolecular chain effectively participates in elastic recovery of the whole crosslinked network, thereby reducing energy loss during periodic deformation and improving heat generation and rolling resistance. The double-end-functionalized ternary copolymer rubber has low rolling resistance and high anti-moisture sliding performance, so that the rubber is an excellent high-performance tyre rubber.
Owner:PETROCHINA CO LTD
All-steel load-bearing radial tire belt mat rubber
The invention relates to an all-steel load-bearing radial tire belt mat rubber which is prepared from the following raw materials in parts by weight: 80-120 parts of SMR10#, 25-40 parts of carbon black N326, 5-15 parts of silica white, 0.8-3.2 parts of liquid isoprene rubber, 2-8 parts of nano zinc oxide, 0.5-3.5 parts of stearic acid, 1-3 parts of silane coupling agent Si69, 0.7-2.3 parts of dispersing agent FNS-78T, 1-3 parts of 204 resin, 0.5-2.5 parts of anti-aging agent 6PPD, 0.5-1.5 parts of microcrystalline wax and 0.4-1.6 parts of anti-aging agent TMQ. The SMR10#, carbon black, silica white, liquid isoprene rubber and nano zinc oxide are adopted in the all-steel load-bearing radial tire belt mat rubber; and a low-heat-generation technique is utilized to effectively improve the radial tire shoulder heat generation, so that the quality problems of early shoulder separation and the like of the tire are greatly reduced, and the early shoulder separation is lowered from 10% to 1% or so.
Owner:山东银宝轮胎集团有限公司
Inner sizing material for high speed low heat car tire tread and preparation method thereof
The invention relates to an inner sizing material for a high speed low heat car tire tread and a preparation method thereof. The inner sizing material comprises the following components in parts by weight: 65-75 parts of natural rubber, 25-35 parts of rare-earth polybutadiene rubber, 35-45 parts of carbon black, 25-35 parts of white carbon black, 4-6 parts of an active agent, 1-1.2 parts of a lubricating agent, 4-5.6 parts of a coupling agent, 3-4 parts of an anti-aging agent, 1.8-2.2 parts of super tackifying resin and 3.2-3.6 parts of a vulcanizing agent. According to the inner layer formula design of the tire tread provided by the invention, low heat generation, relatively good adhesiveness with other parts, fatigue resistance and low possibility of damage are considered, and rare earth high cis butadiene with a large proportion is adopted, so that the tire is good in flexibility, fatigue-resistant and low in heat generation; natural rubber which has the characteristic of relatively low heat generation, and is quite good in intermiscibility and adhesiveness with other parts is used in a relatively large amount.
Owner:山东盛世泰来橡胶科技有限公司
Modified natural rubber solid tyre
The invention provides a modified natural rubber solid tyre. The modified natural rubber solid tyre is prepared from the following raw materials in parts by weight: 90 to 110 parts of natural rubber, 1 to 3 parts of sulfur, 3 to 4 parts of an accelerant, 4 to 6 parts of zinc oxide, 1 to 2.5 parts of stearic acid, 1 to 3 parts of paraffin, 0.5 to 1.5 parts of ferric oxide, 4 to 6 parts of adhesive, 1 to 3 parts of rubber scarlet LC, 110 to 150 parts of fillers, 8 to 12 parts of engine oil, 8 to 10 parts of oligomer ester 12-II and 0.69 to 1.275 parts of a muting agent. The muting agent is added into the formula system, so the prepared modified natural rubber solid tyre has higher sound-absorbing coefficient, high sound-absorbing property, low cost, high hardness, high breaking strength, higher anti-ageing property, higher elasticity and long service cycle, reduces cost and increases enterprise benefit.
Owner:浙江久运汽车零部件有限公司
Ultra-light ultra-wearproof rubber and preparation method thereof
The invention discloses ultra-light ultra-wearproof rubber which is prepared from the following components in parts by mass: 30-45 parts of polyolefin elastomer, 20-40 parts of polybutadiene rubber, 12-20 parts of olefin segmented copolymer, 10-20 parts of polyisoprene rubber, 3-5 parts of filler, 1-2 parts of zinc oxide, 0.6-1 part of stearic acid, 4-7 parts of wear-resistant agent, 0.4-0.8 partof crosslinking aid, 0.1-1 part of crosslinking agent and 0.5-1 part of foaming agent. The invention also provides a preparation method of the ultra-light ultra-wearproof rubber. The ultra-light ultra-wearproof rubber prepared by the technical scheme of the invention has the advantages of light weight, wear resistance, excellent rebound resilience, slip resistance, and the like; the preparation method has a simple production process and is suitable for wide application.
Owner:ANTA CHINA
Composite polyurethane tread rubber and preparation method thereof
The invention belongs to the technical field of tire manufacturing, and particularly relates to composite polyurethane tread rubber and a preparation method thereof. The composite polyurethane tread rubber is obtained through mixing of the following raw materials of mixing type polyurethane rubber, traditional rubber, unsaturated carboxylic acid, metallic oxide, superoxide, an assistant crosslinker and a plasticizer. The composite polyurethane tread rubber provided by the invention can effectively solve the technical defects that the mechanical strength and the anti-fatigue strength in a traditional polyurethane tire technique can sharply decline along with a high temperature and high speed driving condition, a carcass is prone to occurring deformation or tire bursting, a binding part is liable to fall off, the curing speeds of polyurethane and traditional rubber are not matched in a sulfur vulcanization system, and thus undervulcanization and incompatibility exist when two rubber areused simultaneously.
Owner:GUANGDONG UNIV OF TECH
Liquid trans-polycyclopentene rubber, preparation method and applications thereof
The present invention relates to the field of rubbers, particularly to a liquid trans-polycyclopentene rubber, a preparation method and applications thereof, wherein the number average molecular weight is 800-60000, the molecular weight distribution index is 1.1-3.5, the straight chain structure content in the polymer is more than 99 wt%, the trans structure content is more than 70 wt%, the glass transition temperature is less than -85 DEG C, and the gel content is less than 0.02 wt%. According to the present invention, the liquid trans-polycyclopentene rubber has the inherent excellent characteristics of the liquid rubber, the rubber prepared by mixing the liquid trans-polycyclopentene rubber and other types of rubbers can provide performances of good processability, good extrusion performance, good low-temperature resistance, high resilience, low heat-generation, high wear resistance and the like, and the catalyst preparation step and the rubber preparation process are separated in the liquid trans-polycyclopentene rubber preparation method, such that the stable product catalyst can be separately prepared and can be prepared in advance and is easy to store, and the method is suitable for industrial production.
Owner:CHINA PETROLEUM & CHEM CORP +1
Application of continuously prepared rubber master batch in sedan tire rubber
ActiveCN104327317AGood for high speedReduce rolling resistanceSpecial tyresFlocculationPolymer science
The invention relates to application of a continuously prepared rubber master batch in sedan tire rubber. The application comprises the following steps: a) adding a mixture of carbon black or white carbon black, oil and a coupling agent into a rubber solution, uniformly mixing and dispersing, filling into a flocculator for flocculation, subsequently removing the solvent, and drying, thereby obtaining the rubber master batch; b) adding the rubber master batch into an internal mixer, adding a vulcanization agent and an accelerant, and uniformly mixing, thereby obtaining a sedan tire rubber master batch; and c) vulcanizing the sedan tire rubber master batch under the vulcanization condition, thereby obtaining the vulcanized sedan tire rubber, wherein the steps further comprise adding an additive which is added in the step a) and / or the step b), and the additive is one or more of a coupling agent, an anti-aging agent and an activating agent.
Owner:EVE RUBBER RES INST
Gluing machine applied to production and processing of hollow glass
InactiveCN113929318AAvoid accumulationRealize the collectionWorking environmentIndustrial engineering
The invention provides a gluing machine applied to production and processing of hollow glass. The gluing machine comprises: a gluing machine body, wherein an operation table is fixedly mounted at the rear position of the bottom end between the left inner wall and the right inner wall of the gluing machine body; and glue collecting assemblies, wherein the glue collecting assemblies capable of conveniently collecting overflowing glue liquid are fixedly installed on the outer surface of the front side of the operation table in the left-right horizontal direction in an adjacent column mode, and each glue collecting assembly comprises a glue falling groove, a glue guiding assembly capable of guiding the overflowing glue liquid to be collected and a flow assisting assembly capable of conveniently collecting the glue liquid in a downward flowing mode and preventing accumulation. According to the gluing machine applied to hollow glass production and processing, in the gluing process of the gluing machine, overflowing glue liquid can be collected, the overflowing glue liquid is prevented from directly flowing on equipment or the ground, and loss and waste of the glue liquid are avoided; and a clean working environment is ensured, the cleaning work of field operators is reduced, and the production and processing effects of hollow glass are facilitated.
Owner:江苏诚成节能玻璃有限公司
An aluminum-based diamond composite ultra-high hardness dicing knife and its manufacturing method
ActiveCN109227973BStress reliefImprove cutting efficiencyMolten spray coatingVacuum evaporation coatingCarbide siliconCrack resistance
The invention discloses an aluminum-based diamond composite ultra-high hardness dicing blade and a manufacturing method thereof. The ultra-high hardness dicing blade comprises three parts of a toughness ceramic skeleton, an aluminum alloy composite material and a diamond blade film layer; the toughness ceramic skeleton is specifically a toughened porous ceramic skeleton composed of silicon nitrideceramic body composite silicon carbide whiskers; the aluminum alloy composite material is specifically formed by secondly sintering 7A75 aluminum alloy mixed powder mixed with carbon powder and polyvinyl alcohol; the aluminum alloy composite material is wrapped with the toughness ceramic skeleton, and the diamond blade film layer is fixed to the surface of the aluminum alloy composite material. The blade has high surface hardness, good core toughness, crack resistance, high temperature resistance, good heat dissipation performance, good cutting performance and long service life.
Owner:杨燕军 +1
A kind of all-steel radial truck tire belt cushion rubber
The invention relates to an all-steel load-bearing radial tire belt mat rubber which is prepared from the following raw materials in parts by weight: 80-120 parts of SMR10#, 25-40 parts of carbon black N326, 5-15 parts of silica white, 0.8-3.2 parts of liquid isoprene rubber, 2-8 parts of nano zinc oxide, 0.5-3.5 parts of stearic acid, 1-3 parts of silane coupling agent Si69, 0.7-2.3 parts of dispersing agent FNS-78T, 1-3 parts of 204 resin, 0.5-2.5 parts of anti-aging agent 6PPD, 0.5-1.5 parts of microcrystalline wax and 0.4-1.6 parts of anti-aging agent TMQ. The SMR10#, carbon black, silica white, liquid isoprene rubber and nano zinc oxide are adopted in the all-steel load-bearing radial tire belt mat rubber; and a low-heat-generation technique is utilized to effectively improve the radial tire shoulder heat generation, so that the quality problems of early shoulder separation and the like of the tire are greatly reduced, and the early shoulder separation is lowered from 10% to 1% or so.
Owner:山东银宝轮胎集团有限公司
Cutting-resistant rubber track for engineering machinery and preparation method of cutting-resistant rubber track
ActiveCN114539637AFast vulcanizationIncrease elasticityRolling resistance optimizationRubber materialPolymer science
The invention relates to the field of high polymer materials, in particular to a cutting-resistant rubber track for engineering machinery and a preparation method of the cutting-resistant rubber track for the engineering machinery. The rubber material is prepared from the following components: natural rubber, butadiene rubber, solution polymerized styrene-butadiene rubber, coumarone resin, styrene resin, carbon black, white carbon black, core-shell structure filler, a tear-resistant agent, stearic acid, cerium sorbate, sulfur and an accelerant. The rubber track is used for manufacturing rubber tracks and can meet use requirements.
Owner:锐牛股份有限公司
Tread rubber, preparation method thereof and agricultural tire
ActiveCN119613832AImprove wear resistanceImprove bending resistanceSpecial tyresRolling resistance optimizationRubber materialPolymer science
The invention provides tread rubber, a preparation method thereof and an agricultural tire. In the preparation method, raw materials comprise first rubber, second rubber, a first filler, a second filler, a vulcanizing aid, a silane coupling agent, protective wax, tear-resistant resin, a first vulcanizing agent and a first vulcanization accelerator; the vulcanizing aid is obtained by pre-reaction of an anti-aging agent and a vulcanizing system drug; the preparation method comprises the following steps: S1, mixing a vulcanizing aid with a first filler, a second filler, first rubber, a silane coupling agent and a first solvent, and carrying out wet mixing and solvent separation to obtain a rubber master batch; the preparation method comprises the following steps: S1, preparing master batch, S2, internally mixing the master batch, and carrying out first dry-process mixing on the obtained rubber material, second rubber, protective wax and tear-resistant resin to obtain first-stage master batch, and S3, carrying out second dry-process mixing on the first-stage master batch, a first vulcanizing agent and a first vulcanization accelerator, and carrying out vulcanization treatment on a second dry-process mixing product to obtain vulcanized rubber. And the properties of wear resistance, deflection resistance and the like of the tread rubber are improved.
Owner:EVE RUBBER RES INST +1
Electrically operated tricycle
InactiveCN107539402AExtended service lifeSave trouble after saleCyclesNon-inflatable tyresDrive motorPuncture resistance
The invention discloses an electrically operated tricycle, and relates to the field of tricycles. The electrically operated tricycle includes a base board, a headstock, a front wheel, a rotating shaftand two rear wheels. The headstock is installed at one end of the base board, and the front wheel is installed below the headstock and connected with the headstock. The end, away from the front wheel, of the headstock is provided with a handlebar. The rotating shaft is installed below the base board. The two rear wheels are installed at the two ends of the rotating shaft correspondingly. A powermodule and a driving motor which are connected are further installed below the base board. An output shaft of the driving motor is connected with the rotating shaft. The front wheel and the rear wheels are all solid tires. Each solid tire includes a tire surface, a transition layer and a tire body which are connected from the outside to the inside in sequence. The electrically operated tricycle isbetter in wear-resisting property, puncture resistance and cutting resistance, lower in rolling resistance and longer in service life.
Owner:广西贵港市恒桥米业有限公司
Two-end functionalized ternary copolymer rubber and preparation method thereof
Owner:PETROCHINA CO LTD
A belt cushion rubber for all-steel radial truck tires capable of improving tire shoulder clearance
Owner:山东银宝轮胎集团有限公司
A kind of rubber composition of leaf spring lug bushing for automobile
The invention discloses a rubber composition for a leaf spring lug bushing for an automobile. The rubber composition is characterized by comprising the following components in parts by weight: 100 parts of rubber, 1.5-3 parts of a p-phenylenediamine type anti deteriorant, 1.5-3 parts of a hydrogenated quinoline type anti deteriorant, 3-5 parts of microcrystalline wax, 5-8 parts of an active agent, 1-2 parts of stearic acid, 3-6 parts of resin, 3-5 parts of a processing addition agent, 5-8 parts of a slipping agent, 3-5 parts of a fatty oil plastifier, 5-10 parts of a petroleum plastifier, 60-95 parts of carbon black, 1.5-2.1 parts of an accelerant, and 1.5-1.8 parts of a vulcanizing agent. Through the adoption of the rubber composition disclosed by the invention, the lubricating property between the lug bushing and a bearing is improved, the friction noise is reduced, and the abrasion resistance is improved, so that the lug bushing is not invalid under the long-term use state, under the circumstance that the cost is not increased, the fabrication process is simple, and the lug bushing is convenient to use and mount.
Owner:SHANGHAI ZHONGLI AUTO PARTS
A kind of rubber composition and tire tread rubber and preparation method thereof
ActiveCN103788422BImprove securityEnsure safetySpecial tyresRolling resistance optimizationRubber materialRolling resistance
The invention relates to a rubber composition. The composition comprises a main body rubber, a vulcanizing agent, a vulcanization accelerator, an activator and a reinforcing agent. The composition also comprises liquid isoprene rubber. The main body rubber comprises natural rubber, butadiene rubber and solution polymerized styrene-butadiene rubber. The invention also discloses tyre tread rubber and a preparation method thereof. The tyre tread rubber provided by the invention is low in processing energy consumption, good in surface quality of extruding and calendaring rubber materials, good in physical and mechanical properties and ageing resistant property, and relatively small in compression set and heat generation, and can improve durability of the tyre and prolong the service life of the tyre. The tyre tread rubber provided by the invention has good wet skid resistance and low rolling resistance, can guarantee security of the tyre in a driving process and is benefit for energy conservation of the tyre.
Owner:CHINA PETROLEUM & CHEM CORP +1
A kind of aviation tire provided with bead reinforcing glue
ActiveCN104844849BStressfulReduce distortionSpecial tyresPneumatic tyre reinforcementsTire beadEngineering
The invention discloses an aviation tire with a tire bead reinforcing rubber and a formula of the reinforcing rubber. The aviation tire comprises a tread rubber, a reinforcing layer, a carcass cord fabric layer, an air barrier and a sidewall rubber, as well as a tire bead reinforcing rubber layer; the tire bead reinforcing rubber layer is arranged between the carcass cord fabric layer and the sidewall rubber on the upper part of the tire bead, and is cambered; the tire bead reinforcing rubber layer is arranged on the upper part of a rim and on the lower part of the central horizontal line of the tire, and clamped between the carcass cord fabric layer and the sidewall rubber; the tire bead reinforcing rubber layer is stacked and connected with the carcass cord fabric layer and the sidewall rubber. The tire bead reinforcing rubber has the performance characteristics of good thermal stability, high elasticity and low heat generation, and meanwhile, has the advantages of relatively high tensile strength, elongation at break and 300% stress at definite elongation, and relatively low permanent deformation after dynamic compression fatigue; the aviation tire is high in load and low in air pressure; under the use conditions of large stress and high deformation of the tire bead part, the quality problems such as internal disengagement of the tire bead, splitting and tire bead blasting can be avoided, and the tire is safe to use.
Owner:中国化工集团曙光橡胶工业研究设计院有限公司
A kind of ultra-light ultra-wear-resistant rubber and preparation method thereof
The invention discloses an ultra-light and ultra-wear-resistant rubber, which comprises 30-45 parts of polyolefin elastomer, 20-40 parts of polybutadiene rubber, 12-20 parts of olefin block copolymer, polyiso 10-20 parts of pentadiene rubber, 3-5 parts of filler, 1-2 parts of zinc oxide, 0.6-1 part of stearic acid, 4-7 parts of anti-wear agent, 0.4-0.8 parts of cross-linking aid, cross-linking Agent 0.1-1 part and blowing agent 0.5-1 part. At the same time, the present invention also provides a preparation method of the above-mentioned ultra-light and ultra-wear-resistant rubber. The ultra-light and ultra-wear-resistant rubber produced by the technical solution of the invention has various properties such as light weight, wear resistance, good resilience and anti-slip, and the production process of the preparation method is simple, and is suitable for wide application.
Owner:ANTA CHINA
A kind of liquid trans polycyclopentene rubber and its preparation method and application
The present invention relates to the field of rubbers, particularly to a liquid trans-polycyclopentene rubber, a preparation method and applications thereof, wherein the number average molecular weight is 800-60000, the molecular weight distribution index is 1.1-3.5, the straight chain structure content in the polymer is more than 99 wt%, the trans structure content is more than 70 wt%, the glass transition temperature is less than -85 DEG C, and the gel content is less than 0.02 wt%. According to the present invention, the liquid trans-polycyclopentene rubber has the inherent excellent characteristics of the liquid rubber, the rubber prepared by mixing the liquid trans-polycyclopentene rubber and other types of rubbers can provide performances of good processability, good extrusion performance, good low-temperature resistance, high resilience, low heat-generation, high wear resistance and the like, and the catalyst preparation step and the rubber preparation process are separated in the liquid trans-polycyclopentene rubber preparation method, such that the stable product catalyst can be separately prepared and can be prepared in advance and is easy to store, and the method is suitable for industrial production.
Owner:CHINA PETROLEUM & CHEM CORP +1
Reinforcing layer rubber as well as preparation method and application thereof
InactiveCN112280122ASmall molecular weightImprove reliabilityPneumatic tyre reinforcementsPolymer scienceStearic acid
The invention discloses a reinforcing layer rubber as well as a preparation method and application thereof and belongs to the technical field of rubber. The problem that in the prior art, the batch stability of reinforcing layer rubber with natural rubber as a raw material is poor is solved. The reinforcing layer rubber comprises the following components in parts by weight: 100 parts of cis-1, 4-polyisoprene rubber, 4-7 parts of zinc oxide, 1-2.5 parts of stearic acid, 1.5-2.5 parts of an anti-aging agent, 1-2 parts of resorcinol-80, 2-5 parts of phenolic reinforcing resin, 1-5 parts of a resin curing agent, 0-5 parts of operating oil, 40-50 parts of carbon black, 5-10 parts ofprecipitated white carbon black , 0.5-1 part of coupling agent Si-69, 0.2-0.5 part of scorch retarder CTP, 0.5-2 parts of an anti-reversion agent, 0.6-1.5 parts of a promoter, and insoluble sulphur (1.8-2.8 parts of sulphur) . The rubber has the advantages of dynamic heat generation resistance, higher stability,higher mechanical properties, favorable processability and high interface bonding property.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
Method for preparing antifouling and wear-resistant automobile interior textile material
InactiveCN110029503AIncrease elasticityGood wear resistanceStain/soil resistant fibresSynthetic fibresElectrospinningChemistry
The invention relates to a method for preparing an antifouling and wear-resistant automobile interior textile material, and belongs to the technical field of textile materials. Polyamide and butadienerubber are blended and modified, a fiber prepared by an electrospinning technology is used as a main body, alumina and zinc oxide are dispersed in the aqueous polyurethane as a finishing agent, the fiber main body is prepared by using the prepared finishing agent, and the antifouling and wear-resistant automobile interior textile material is obtained; the butadiene rubber has the advantages of high elasticity, good wear resistance, good cold resistance, low heat generation, flexural resistance and good dynamic properties, the polyamide has good compthensive properties and includes mechanicalproperties, heat resistance, abrasion resistance, chemical resistance, self-lubricating properties, low friction coefficient, certain flame retardancy and easy processing, the polyamide and butadienerubber are blended, and the main body prepared by static spinning has good mechanical properties, heat resistance and wear resistance.
Owner:杭州十景印记文化创意有限公司
A kind of graft modified natural rubber, its preparation method, rubber composition comprising graft modified natural rubber and its application
The invention provides a grafting-modified natural rubber and a preparation method thereof. The preparation method includes: diluting natural rubber latex with a diluent, emulsifying the rubber latex,adding a grafting modifier and an acrylate monomer, and performing a grafting initiation reaction by using a redox initiator at 40-60 DEG C for 2-24 h; after the reaction is finished, successively performing demulsification, centrifugal separation, washing and drying to obtain the grafting-modified natural rubber, which has stable grafting rate, high source hardness and stress at definite elongation, is low in production temperature, is simple in production equipment and saves energy. The stress at definite elongation can replace a part of raw rubber for preparing a pneumatic tyre, particularly the side walls, tread, bead filler and side insert rubber of the pneumatic tyre. The prepared tyre is low in thermogenesis and is better in dynamic performance.
Owner:JIANGSU QIXIANG HIGH NEW MATERIAL