28 results about "Reinforced rubber" patented technology

The utility model discloses a kind of non-woven fabric environmental protection cloth bag, it relates to non-woven fabric cloth bag field, including non-woven fabric cloth bag main body, two cloth bag handles are symmetrically fixed and installed on the outer wall upper side of non-woven fabric cloth bag main body, several protruding blocks are evenly fixed and installed on the inner wall upper side of non-woven fabric cloth bag main body, bag mouth reinforcing structure is fixed and installed on the inner wall upper side of non-woven fabric cloth bag main body, bag mouth reinforcing structure is simultaneously set on several protruding blocks, bag mouth reinforcing structure is composed of first reinforcing rubber belt and adhesive layer, by setting several protruding blocks on the inner wall upper side of non-woven fabric cloth bag main body, simultaneously setting the bag mouth reinforcing structure composed of first reinforcing rubber belt and adhesive layer on the inner wall upper side of non-woven fabric cloth bag main body, and make protruding block and bag mouth reinforcing structure cooperate, significantly improve the structural stability of the bag mouth of non-woven fabric cloth bag main body, avoid due to frequent use or load heavy object leading to non-woven fabric cloth bag main body bag mouth edge abrasion, cracking, prolong the service life of non-woven fabric cloth bag main body.

The utility model relates to a kind of shielded braided reinforced rubber jacketed flexible cable of coal mining machine, it includes three power cables and a control cable with same outer diameter and rectangular array arrangement, ground cable is provided between the control cable and three power cables;The control cable includes four control wire cores with rectangular array arrangement and control wire core coating layer being arranged outside four control wire cores, first gap filling adhesive tape is provided between adjacent two control wire cores and control wire core coating layer, tensile wire is provided in the first gap filling adhesive tape;Control cable and three power cable outside are sequentially provided with inner sheath, braided reinforcing layer and outer sheath from inside to outside, second gap filling adhesive tape is provided between adjacent two power cables and inner sheath and between inner sheath and adjacent power cable and control cable, tensile wire is provided in the second gap filling adhesive tape.

This invention belongs to the technical field of carbon fiber reinforced rubber composite materials, specifically relating to an ablation-resistant, high-interfacial-strength carbon fiber-rubber composite material and its preparation method, comprising: modified rubber and modified carbon fiber cloth; the modified rubber comprises the following components by mass: 100 parts NBR, no less than 40 parts silane coupling agent modified silica, and no less than 30 parts ceramizable mineral filler; the modified carbon fiber cloth is a modified carbon fiber cloth treated with modified RFL impregnation solution; by introducing modified silica and ceramizable filler into the rubber matrix, and simultaneously subjecting the carbon fiber cloth to surface oxidation treatment and modified RFL impregnation modification treatment, through the joint optimization of the rubber matrix and reinforcing fibers, the composite material possesses excellent ablation resistance and overall mechanical properties, enabling it to meet the service conditions of extreme environments such as ablation resistance and particle flow erosion resistance, and has great application potential in aerospace, fireproof cables and other fields.

This invention discloses an environmentally friendly bio-based reinforcing compound and its preparation method. The compound, by weight, comprises: 100 parts EPDM rubber, 15-25 parts modified epoxidized soybean oil, 40-60 parts silane-modified rice husk ash silica, 2-2.5 parts peroxide, 1.5-2.5 parts crosslinking agent, and 5-7 parts additives. The modified epoxidized soybean oil is prepared by reacting epoxidized soybean oil with N-(2-hydroxyethyl)itaconic acid monoamide, followed by a reaction with a bio-based quaternary ammonium salt. This invention uses bio-based materials to replace traditional petroleum-based materials, resulting in excellent environmental performance. The introduction of modified epoxidized soybean oil significantly improves the compatibility and dispersibility of the bio-based reinforcing material with the rubber matrix, giving the compound excellent tensile strength, elongation at break, damping properties, antibacterial properties, and fatigue resistance. It can be widely used in automotive seals, shock absorbers, and other fields.

A rubber-reinforcing cord (62) of the present invention is a rubber-reinforcing cord for reinforcing a rubber product (60), and has at least one thread. The thread includes at least one tow, and a first coating film provided so as to cover at least a part of a surface of the tow. The tow includes a carbon fiber filament. The first coating film includes a rubber component and a cross-linking agent. The rubber-reinforcing cord (62) further includes a liquid component, and the content of the liquid component in the rubber-reinforcing cord (62) is in a range of 0.2 mass% or more and 13 mass% or less.

The utility model discloses a multi -angle shower head positioning fixed bolster, including mounting panel and mounting support, the bottom of mounting panel is provided with two mutually symmetrical lugs, and the bottom of two lugs is connected with same guide ring, the top of mounting support is provided with annular groove, through the guide ring and symmetrical lug of mounting plate bottom and the annular groove of the top of mounting support that sets up with guide ring is adapted, can realize mounting support along the rotation of mounting plate 360 DEG, and through the toothing of the self -lock block sliding arrangement between the tooth ring and the lug in and carries out the meshing, thereby realizes the angle limit fixing between mounting panel and mounting support, and through the setting of two screw rods and rubber clamp block, can be convenient to the self -adaptation clamping of shower head, and because the outer rubber of rubber clamp block can enhance the friction between rubber clamp block and shower head, thereby realizes the purpose of clamping fixed in the mounting hole of shower head.

The present invention addresses the problem of providing a rubber composition having improved heat resistance while suppressing blooming and ensuring tackiness. The means for solving the problem is a rubber composition containing a rubber component, two or more sulfenamide-based vulcanization accelerators, and one or more thiuram-based vulcanization accelerators, wherein the content of each of the two or more sulfenamide-based vulcanization accelerators is 3.7 parts by mass or less per 100 parts by mass of the rubber component, and the total content of the two or more sulfenamide-based vulcanization accelerators is 4 parts by mass or more per 100 parts by mass of the rubber component.

The present application relates to the technical field of composite materials, and particularly relates to a carbon black rubber composite material and a preparation method thereof, which comprises the following raw materials in parts by mass: rubber 55-72 parts; reinforcing material 58-68 parts; antioxidant 2.8-4.3 parts; accelerator 1.1-1.8 parts; vulcanizing agent 1.3-2.5 parts; vulcanization aid 2-4.6 parts; plasticizer 5-9.3 parts; the carbon black rubber composite material is obtained by mixing the rubber with the reinforcing material, the vulcanizing agent and other aids, and then being placed in a mold for high-temperature vulcanization; wherein the multi-functional modification of part of the natural rubber is beneficial to the formation of a multi-crosslinking network of the rubber, the reinforcing material and other aids in the composite material; the reinforcing material is prepared from high-wear-resistance carbon black, a modified carbon black composition, zinc methacrylate and a modified attapulgite, and plays a synergistic role to effectively enhance the wear resistance and flex fatigue resistance of the rubber material, and has a wide application prospect.

The object of this invention is to provide a rubber composition that suppresses bloom and maintains tack while improving heat resistance. [Solution] A rubber composition comprising a rubber component, two or more sulfenamide-based vulcanization accelerators, and one or more thiram-based vulcanization accelerators, wherein the content of each of the two or more sulfenamide-based vulcanization accelerators is 3.7 parts by mass or less per 100 parts by mass of the rubber component, and the total content of the two or more sulfenamide-based vulcanization accelerators is 4 parts by mass or more per 100 parts by mass of the rubber component.

A rubber composite material, raw materials of the material include the following components in parts by weight: hydrogenated nitrile rubber 50-80 parts; nitrile rubber 20-50 parts; spherical filler 30-60 parts; lamellar filler 0.5-5 parts; modifier 1-5 parts; plasticizer 1-10 parts; damping molecule 5-30 parts; antioxidant 2-5 parts; zinc oxide 3-5 parts; stearic acid 1-3 parts; vulcanization accelerator 1-5 parts; sulfur 1-5 parts; peroxide vulcanizing agent 0.5-2 parts. The rubber composite material provided by the application ensures the matrix strength and oil resistance by selecting hydrogenated nitrile rubber with high hydrogenation degree and high acrylonitrile nitrile rubber; the load bearing strength of the rubber composite material is enhanced by introducing the combined system of spherical filler and lamellar filler in the blending system; the damping molecule with polymerization type or high molecular weight can form chemical crosslinking under the action of the vulcanization system between the damping molecule and the matrix, the damping effect of the damping molecule is played, meanwhile, the damping molecule has good anti-high-temperature insulating oil extraction effect, and the service life of the rubber composite material is prolonged.

According to the present invention, a communication device on the surface of a green tire is configured to include an RFID and a coating rubber layer that covers at least the green-tire outer side of the RFID, and further include a reinforcing rubber layer that covers the green-tire outer side of the coating rubber layer. By setting the dielectric constant of the coating rubber layer smaller than the dielectric constant of the reinforcing rubber layer, it is possible to obtain the green tire that is advantageous when subjected to tire manufacturing in which the RFID in the communication device disposed inside the tire is not damaged or exposed to the surface of the tire, while improving the communication performance of the communication device.

The application discloses a tire tread rubber composition and a preparation method thereof, and belongs to the technical field of tires. The tire tread rubber composition comprises the following raw material components in parts by weight: 45-60 parts of first rubber, 55-75 parts of second rubber, 25-35 parts of carbon black, 8-12 parts of modified alkyl phenolic resin, 5-8 parts of adhesive RA, 3-5 parts of antioxidant, 1-3 parts of vulcanizing agent, and 0.5-2 parts of accelerator; the first rubber is natural rubber SPR10 or natural rubber SVR3L; the second rubber is one or two of solution polymerized styrene butadiene rubber, isoprene rubber and brominated butyl rubber; and the weight ratio of the first rubber to the second rubber is (0.8-1):1. The tire tread rubber composition and the preparation method thereof introduce the modified alkyl phenolic resin into the rubber composition, enhance the adhesion between the rubber and the steel wire cord, avoid the occurrence of the blooming phenomenon, and improve the tire durability.

This utility model relates to the field of rubber piston technology, specifically to a fabric-reinforced rubber piston suitable for high-pressure environments. It includes a piston body with a spiral cooling channel inside, extending spirally along the piston axis. A metal heat-conducting pipe is embedded within the spiral cooling channel, with both ends extending to the piston end face to form a cooling medium interface. This cooling medium interface connects to an external circulation system, allowing the cooling medium to flow through the heat-conducting pipe and achieve forced heat dissipation from the piston. By setting a spiral cooling channel within the piston body and embedding a metal heat-conducting pipe to connect to an external circulation system, forced circulation cooling of the piston is achieved. The spiral cooling channel design extends the coolant flow path, improves cooling uniformity, and avoids rubber aging caused by localized overheating.

The application relates to the technical field of electric vehicle tire preparation, and discloses a low-noise electric vehicle tire and a preparation method thereof. The tire comprises a tread, and the tread comprises the following raw materials: rubber, carbon black, white carbon black, an antioxidant, naphthenic oil, an active agent, anthraquinone modified resin, a vulcanizing agent, an accelerator and a coupling agent; the anthraquinone modified resin is obtained by modifying C5 petroleum resin after copolymerization of three monomers, i.e., aminoanthraquinone, cyclopentadiene and hydroxyethyl methacrylate. The anthraquinone modified resin has high damping and good compatibility, can attenuate tire vibration energy from the source to achieve noise reduction, can enhance the interface bonding force between rubber and fillers, can improve the strength and tear resistance of the rubber compound, can improve the dispersibility of the fillers, can reduce the hysteresis loss, can lay a foundation for wear resistance and low rolling resistance of the tire, and has good adaptability with various raw materials of the tire.

The tire (1) includes: a sidewall reinforcing rubber (2) having a crescent-shaped cross section and disposed in the sidewall portion (1b) of the tire; a low thermal conductivity member (3) having a lower thermal conductivity than the sidewall reinforcing rubber; and a communication device (10) wherein the low thermal conductivity member is positioned between the sidewall reinforcing rubber and the communication device.

The utility model provides a kind of easily effective cooling pipe reinforcing treatment connecting structure of barrel, it is related to connecting structure technical field, comprising: connector, the left and right ends of the connector are fixedly installed with connecting socket;Two the inner end of cooling pipe body is connected oppositely in the inside of connector;Butyl rubber band is wound at the junction of cooling pipe body and the connecting socket of connector;Stroke guide groove is set up on the circumference outer wall of the connector. By disassembling limiting buckle, stressed push plate is moved outward under the action of restoring spring, and the top pushing ring body is driven, the top pushing ring body exerts thrust on reinforcing rubber block, so as to make reinforcing rubber block closely adhere to cooling pipe body, so that the connection strength and water stop effect of cooling pipe body are secondary strengthened, the overall design of the connecting structure is simple, and the operation method is convenient, and the use scene and worker operation level are all not too high requirement, solve the problem that connecting structure has higher requirement to site environment condition and worker operation level.

The utility model discloses a polymer nanometer reinforced rubber strip strength test equipment after forming, it includes base, tow end, clamping end, tensile testing machine, removal structure, the one end of rubber strip that clamping end clamps, the tow end is used for clamping and through removal structure tow rubber strip's other end removal, forms the pulling of rubber strip, when pulling, through tensile testing machine tensile testing machine test tension, clamping end includes tray, and the tray is installed with carousel, and the motor is installed in the tray, and the drive end of motor is connected with carousel, and the sleeve is installed on carousel, still install two symmetrical clamping plates on the tray, and two clamping plates are connected with the pneumatic cylinder respectively. The test equipment in the utility model can test directly from the rubber strip of winding, need not cut a section in advance to test, and simultaneously, can carry out step -by -step test to every section of the rubber strip of winding, after testing, and let rubber strip keep winding, can improve test efficiency.

A tire includes: a side reinforcement rubber 2 having a crescent-shaped cross-section and disposed in a sidewall portion 1b of the tire; and a communication device 10 embedded in the tire, wherein the side reinforcement rubber has a side reinforcement rubber joint where the circumferential ends of the side reinforcement rubber are joined together, and the communication device is entirely located within a defined circumferential tire position Kb, 180° apart from the circumferential center of the side reinforcement rubber joint, and within a defined circumferential tire region Kr extending over a tire angle range of 90°.

This utility model discloses a joint structure for an integrated fiberglass pressure pipe, characterized by including an inner rubber sealing layer, a fiberglass layer formed in a single composite molding process on the outer side of the rubber sealing layer, and a reinforcing structure disposed on the outer wall of the rubber sealing layer to enhance the connection between the rubber sealing layer and the fiberglass layer and prevent the rubber sealing layer from detaching from the fiberglass layer. This utility model integrates the fiberglass layer onto the rubber sealing layer in a single composite molding process, making the rubber sealing layer and the fiberglass layer an integral unit, thus improving the overall pressure resistance of the joint and the anti-detachment properties between the rubber sealing layer and the fiberglass layer.

This application discloses a steel wire mesh reinforced rubber conveyor belt, including a conveyor belt body with its length, width, and thickness directions defined as a first, second, and third direction, respectively. A steel wire mesh skeleton is disposed inside the conveyor belt body, consisting of multiple steel wire meshes arranged adjacently along the first direction and interwoven in the second direction to form a mesh structure. The longitudinal reinforcement consists of multiple independent parallel reinforcing cores along the first direction, grouped and arranged according to requirements in the second direction and embedded in the mesh openings of the steel wire mesh skeleton. The rubber-coated belt surface fills the gaps between the steel wire mesh skeleton and the longitudinal reinforcements and covers the upper and lower surfaces of the conveyor belt body. This technical solution effectively combines the steel wire mesh and the longitudinal reinforcements, utilizing the interwoven structure of the steel wire mesh in the width direction to improve lateral stability and tear resistance. Simultaneously, the embedded longitudinal reinforcements provide high-strength traction, thereby significantly improving the conveyor belt's load-bearing capacity, wear resistance, and service life.

The utility model discloses a novel agricultural tire of anti -explosion bead structure design relates to tire technical field, including tire body, the bead in tire body is equipped with by single steel wire winding generation's big inclined bottom hexagonal bead, big inclined bottom hexagonal bead outside is equipped with the layer of reinforced rubber sheet, the layer of reinforced rubber sheet outside is equipped with inner wrapping cloth, the upper side of inner wrapping cloth is equipped with triangular rubber core, steel wire wrapping cloth is equipped in triangular rubber core and inner wrapping cloth outside still, the utility model discloses a single steel wire winding's big inclined bottom hexagonal bead and the layer of reinforced rubber sheet, promote the strength of bead, increase the contact area with the rim, optimize stress distribution, enhance steel wire adhesion, reduce the heat of friction, thereby prevent the bead crack and steel wire to stick out, have excellent anti -bead twist effect simultaneously, can effectively improve the hoop pressure between bead and rim, avoid the slip between bead and rim.

This utility model discloses a moisture-proof and oxidation-proof reagent bottle, comprising a bottle body, a cap threadedly connected to the top of the bottle body, and an expansion tube fixedly installed below the cap. A first bolt is disposed inside the expansion tube. Through this structure, the external rubber ring of this moisture-proof and oxidation-proof reagent bottle can tightly contact the inner wall of the bottle, forming a highly efficient sealing barrier. Tightening the first bolt can further adjust the state of the expansion tube, enhancing the fit between the rubber ring and the inner wall of the bottle. Simultaneously, the second bolt downwards presses against the fixing ring, applying continuous pressure to the rubber ring and preventing loosening due to long-term use. This dual adjustment significantly improves the sealing reliability at the bottle opening, effectively preventing external moisture and oxygen from entering the bottle, providing a dry, oxygen-isolated storage environment for the reagent, effectively preventing deterioration due to moisture or oxidation, and significantly extending the shelf life of the reagent.

The application discloses a vertical tension-resistant isolation device based on carbon fiber reinforced rubber, which comprises a bottom plate, a limiting cylinder fixedly connected to the top of the bottom plate and a conical ring plate fixedly connected to the bottom of a top plate, a bearing circular table and the conical ring plate are provided with conical carbon fiber plates and conical high-damping rubber layers arranged in a staggered manner, the conical carbon fiber plates and the conical high-damping rubber layers are bonded to form carbon fiber reinforced rubber, and a tension-resistant key in the center of the top plate and the bearing circular table in the center of the bottom plate form a rotating buckle structure. The vertical movement of the upper structure or equipment is converted into the compression-shear deformation of the carbon fiber reinforced rubber through the inclined design of the conical ring plate, the bearing circular table and the conical carbon fiber plate, the deformation energy consumption capacity of the high-damping rubber is fully utilized, the vertical isolation is realized, and the limiting cylinder and the tension-resistant key provide good tension-resistant performance. The application has the advantages of simple structure, reasonable stress, good tension-resistant performance, light and durable carbon fiber reinforced rubber, and large bearing capacity range.

A tire includes a side reinforcing rubber (2) having a crescent-shaped cross section and arranged in a side wall portion (1b) of the tire, and a communication device (10) embedded in the tire. The side reinforcing rubber has a side reinforcing rubber joint portion (2j) in which tire circumferential end portions of the side reinforcing rubber are joined to each other. At least a portion of the communication device overlaps the side reinforcing rubber joint portion in a projection plane when the tire is projected in a tire width direction.

The application belongs to the technical field of rubber and plastic material sealing gaskets, and particularly relates to a rubber sealing gasket and a preparation method thereof. The rubber sealing gasket comprises, by mass fraction, the following raw materials: ethylene-propylene-diene monomer (EPDM) rubber, ethylene-vinyl acetate rubber, filler, modified layered filler, zinc oxide, coupling agent, plasticizer, processing aid, antioxidant, compatibilizer, vulcanization accelerator and vulcanizing agent. The ethylene-vinyl acetate rubber, compatibilizer and modified layered filler are introduced into the EPDM matrix, which not only effectively enhances the bonding strength of the rubber matrix and the metal interface, but also improves the dispersibility and compatibility of the modified layered filler in the rubber, realizes high-strength bonding with the metal and excellent medium resistance. While maintaining high mechanical properties and low compression permanent deformation of the material, the long-term sealing reliability of the material under severe working conditions in the fields of aerospace and high-end automobiles is greatly improved.