270 results about "Reinforced rubber" patented technology

The invention discloses a preparation method of a polydopamine modified boron carbide-zinc methacrylate coordination reinforced rubber-based radiation protection composite material, and relates to the technical field of radiation protection materials. The method comprises the following steps: dispersing boron carbide in a triaminomethane buffer solution containing dopamine, and carrying out surface polymerization reaction to obtain polydopamine modified boron carbide; and mixing the polydopamine modified boron carbide, zinc methacrylate and a rubber matrix, and vulcanizing to obtain the polydopamine modified boron carbide-zinc methacrylate coordination enhanced (zinc is coordinated with nitrogen / oxygen and the like on the surface of the modified boron carbide) rubber-based radiation protection composite material. Through multiple effects of coordination enhancement, chemical crosslinking and the like, the material has excellent neutron shielding performance and tensile property, the preparation method is simple, the cost is low, and the material has a wide application prospect in the field of nuclear radiation protection.

The invention discloses a preparation method of a basalt short fiber (BF) oriented reinforced rubber composite material. The method comprises the following steps: 1) pretreating BF; 2) proportionally weighing BF and other raw materials, and sequentially adding the BF and other raw materials into an internal mixer for mixing; and (3) after uniformly mixing, carrying out open milling and sheet discharging, and carrying out performance test after carrying out calendering orientation vulcanization on the obtained rubber material along the BF direction. The composite material comprises the following components in parts by mass: SCR5: 85; 15 parts of BR; 0.3 part of CTP (Cellulose Triphosphate); n234: 43; dZ: 1.8; bF: 3 is firstly treated; s: 1; and after the two-stage mixing, the rubber material is subjected to calendering orientation along the BF direction and is vulcanized along the orientation direction. The pre-treated BSF is treated by using a sodium stearate method, so that the physical and mechanical properties of the composite material are relatively good, the pre-treated BF after pretreatment is relatively high in lipophilicity and relatively good in compatibility with a rubber matrix, and the comprehensive performance of the modified BF after being matched with latex and the like is relatively high.

The invention relates to the technical field of tire rubber manufacturing, and discloses a tread rubber composition containing modified lignin and a mixing method thereof, and the rubber composition is added with the modified lignin. The modified lignin is water-soluble lignin obtained by modifying lignin by grafting citric acid groups. Citric acid is adopted to modify lignin, a citric acid group is grafted on a lignin group under the catalytic action of sodium hypophosphite to enhance the hydrophilicity of the lignin group, wet mixing is combined, the dispersity of the lignin in rubber is effectively improved, the rolling resistance of the rubber composition is reduced, meanwhile, the added lignin can enhance the strength of a rubber network, and the rolling resistance of the rubber composition is reduced. The tensile property of the rubber is improved.

To provide a tire, which is configured so that a communication device can be suppressed from being damaged due to heat evolved inside the tire during rolling.SOLUTION: The tire comprises a side reinforcement rubber 2 with a crescent-shaped cross section, arranged in a side wall part 1b of the tire, and a communication device 10 buried inside the tire. The side reinforcement rubber has a side reinforcement rubber joined part ate which end parts in a tire circumferential direction of the side reinforcement rubber are joined to each other. The whole of the communication device is positioned in a predetermined region Kr in the tire circumferential direction extending from a center in the tire circumferential direction of the side reinforcement rubber joined part to a tire-angle range of 90° with a predetermined position Kb in the tire circumferential direction away by 180° from the center as a center.SELECTED DRAWING: Figure 1

The invention discloses a multifunctional foam pad made of a regenerated composite material and a production process of the multifunctional foam pad, and belongs to the technical field of production of regenerated composite materials. The surface of the recycled PET non-woven fabric printing layer is provided with 50 + / -5 [mu] m micropores, the cat palm bionic gradient foaming layer (the density is 0.15-0.35 g / cm < 3 > gradient distribution) is formed by blending and foaming PVC recycled materials, PET bottle chips and waste rubber powder, and the glass fiber net reinforced rubber matrix layer and the triangular pyramid micro-sucker bottom layer are arranged from top to bottom. The preparation process comprises the steps of waste material near-infrared sorting and pretreatment, multi-stage dynamic blending granulation, supercritical CO2 gradient foaming, bionic calendaring forming and laser positioning hot-pressing compounding, high-valued utilization of multi-element waste materials is achieved through combination of bionic structure design and a green process, the product has sound insulation, buffering and anti-skid performance, the tear resistance is improved by 150%, and the service life of the product is prolonged. The problems that a traditional foaming cushion depends on raw plastic, is single in function and causes manufacturing pollution are solved, and resource circulation and function strengthening unification are achieved.

The invention relates to the technical field of rubber conveying belts, in particular to a super-wear-resistant rubber conveying belt and a preparation method thereof.The super-wear-resistant rubber conveying belt is prepared by mixing solution polymerized styrene-butadiene rubber and butadiene rubber according to a certain proportion, and by means of high strength and high wear resistance of the solution polymerized styrene-butadiene rubber and good elasticity of the butadiene rubber, complementary advantages can be formed; therefore, the comprehensive performance of the rubber matrix is improved; according to the wear-resistant modified hybrid filler prepared from the graphene powder, the tannic acid, the nano silicon dioxide and the silane coupling agent KH-550, the wear resistance and the hardness of the rubber can be remarkably improved through the enhancement effect of graphene, the filling effect of the nano silicon dioxide and the coupling effect of the silane coupling agent, and moreover, the wear resistance and the hardness of the rubber are improved. The two-dimensional structure of the graphene enables the graphene to form an effective physical crosslinking point in the rubber, the mechanical property and the wear resistance of the rubber can be enhanced, and the nano silicon dioxide can reduce gaps among rubber molecular chains through a filling effect, so that the compactness and the wear resistance of the rubber are improved.

The utility model discloses a dustproof high-temperature-resistant rubber sleeve, which relates to the technical field of storage battery joint dustproof equipment and comprises a rubber sleeve, and dustproof components are arranged at two ends of the rubber sleeve. The dustproof assembly comprises first dustproof rings, a plurality of second dustproof rings, a connecting ring and a sealing structure, the first dustproof rings are fixedly installed at the two ends of the inner wall of the rubber sleeve, the second dustproof rings are installed at one ends of the first dustproof rings, and the connecting ring is fixedly installed at one ends of the second dustproof rings; the sealing structure is fixedly mounted on the inner wall of the second dustproof ring; according to the technical scheme provided by the utility model, by arranging the dustproof assembly, after the rubber sleeve is installed, the first dustproof ring and the second dustproof ring can be tightened through the binding belt, the side faces of the adjacent sealing convex blocks are extruded together, and multiple layers of sealing structures are extruded together, so that the dustproof effect of the port of the rubber sleeve is enhanced; and the rubber sleeve is made of fluorosilicone rubber, so that a good high-temperature-resistant effect is achieved.

Calculating cord parameters of a textile reinforced rubber sheet moving in the machine direction includes: (a) illuminating an area on a side of the sheet with radiation; (b) obtaining a digital image of an illuminated area; (c) generating a digital image of the outer surface; and (d) calculating cord parameters. The elongated textile cords are preferably parallel to each other the elongated textile cords are orientated in a cross direction which is perpendicular to the machine direction. Scanning or static camera with a light source can be employed, wherein the light is directionally perpendicular to the plurality of cords. Cord count per unit length, cord spacing, the presence of missing cords, and / or the presence of shifted cords can be determined.

The invention discloses a self-standing reinforced rubber membrane for a circulating single shear test, which comprises a base fixed on a circulating single shear apparatus, the center of the base is provided with a lower pressure plate of which the upper surface is provided with a raised needle surface, and the outer side of the lower pressure plate is sleeved with an inner-layer rubber membrane and an outer-layer rubber membrane which are used for loading a test soil sample. A spiral integrated metal wire capable of enabling a loaded test soil sample to be in a self-standing state is embedded in the inner and outer double-layer rubber membrane, and an upper pressure plate with a raised needle surface on the lower surface is arranged on the inner side of the inner and outer double-layer rubber membrane and above the loaded test soil sample; all circles of metal wires of the spiral integrated metal wire are tightly attached to one another, the metal ring located at the lowest end is flush with the protruding needle face on the lower pressing disc, and the metal ring located at the topmost end is flush with the protruding needle face on the lower surface of the upper pressing disc. The device has the beneficial effects that a test soil sample can be directly loaded on the circulating simple shear apparatus, interference generated when the soil sample moves is avoided, the uniformity is better, and the test result is more accurate.

To provide a tire, which is configured so that a communication device can be suppressed from being damaged due to deformation of the tire during rolling.SOLUTION: The tire comprises a side reinforcement rubber 2 with a crescent-shaped cross section, arranged in a side wall part 1b of the tire, and a communication device 10 buried inside the tire. The side reinforcement rubber has a side reinforcement rubber joined part 2j having end parts in a tire circumferential direction of the side reinforcement rubber joined to each other. In a projection plane on which the tire is projected in the tire width direction, at least a portion of the communication device is overlapping with the side reinforcement rubber joined part.SELECTED DRAWING: Figure 1

The invention is suitable for the technical field of roadbed grouting, and provides a roadbed grouting reinforcement material and a preparation method thereof. The roadbed grouting reinforcement material is prepared from the following components in parts by weight: 150 to 200 parts of P.O42.5 ordinary silicate cement, 550 to 600 parts of SCA sulphoaluminate cement, 150 to 200 parts of fly ash, 20 to 50 parts of silica fume, 0.1 to 0.3 part of an expanding agent, 1.5 to 3.5 parts of a water reducing agent and 6.7 to 13.5 parts of a functional small material bag, preferably, the functional package small material comprises the following components: cellulose ether, silicon element, a defoaming agent, a retarder, a coagulant and reinforced rubber powder; preferably, the functional bag small material is prepared from the following components in parts by mass: 0.2 to 0.4 part of cellulose ether, 5 to 10 parts of silicon element, 0.2 to 0.4 part of a de-foaming agent, 0.8 to 1.8 parts of a retarder, 0.3 to 0.6 part of a coagulant and 0.2 to 0.3 part of reinforced rubber powder. The product obtained by the scheme is high in strength, good in flowability and good in durability, and can improve the overall bearing capacity and impermeability of a roadbed and prolong the service life of a road.

The utility model is suitable for the technical field of multi-layer composite product structures, and provides an under-rail reinforced rubber base plate of a multi-layer composite structure and application of the under-rail reinforced rubber base plate. A plurality of grooves which intersect in the inclined direction are formed in the pillow touching layer and the rail touching layer, the multiple upper grooves which intersect in the inclined direction jointly form network grooves, and the network grooves divide the pillow touching layer and the rail touching layer of the base plate into a plurality of shoulder pads. Therefore, the reinforced under-rail base plate can enable stress to be uniformly dispersed, fatigue recovery is more than two times faster than that of an existing base plate, the rhombic groove channels of the base plate are opened, and the ventilation, cooling and drainage speed is high. And meanwhile, the rhombic shoulder pad of the base plate can effectively restrain sliding abrasion and tearing caused by impact stretching of the base plate.

The invention relates to the technical field of tire rubber manufacturing, and discloses a rubber composition containing modified lignin and a mixing method thereof, and the rubber composition is added with the modified lignin. The modified lignin is water-soluble lignin obtained by modifying lignin by grafting citric acid groups. Citric acid is adopted to modify lignin, a citric acid group is grafted on a lignin group under the catalytic action of sodium hypophosphite to enhance the hydrophilicity of the lignin group, and wet mixing is combined to effectively improve the dispersity of the lignin in rubber and reduce the rolling resistance of the rubber composition, and meanwhile, the added lignin can enhance the strength of a rubber network, so that the rolling resistance of the rubber composition is improved. The tensile property of the rubber is improved.

The invention discloses a preparation method of a functionalized boron carbide / high-density polyethylene fiber reinforced rubber-based flexible neutron shielding material and the material, and belongs to the technical field of radiation shielding materials. According to the composite material, boron carbide is used as a thermal neutron shielding functional filler, high-density polyethylene fibers are used as a fast neutron shielding and mechanical property enhancing functional filler, and the two functional fillers are functionalized by adopting a polydopamine and 3-mercaptopropyltriethoxysilane composite modification method; the functional boron carbide / high-density polyethylene fiber is uniformly dispersed into a rubber matrix by adopting processes of internal mixing, open mixing and the like, and the functional boron carbide / high-density polyethylene fiber reinforced rubber-based flexible neutron shielding material is prepared after vulcanization. The material has good thermal neutron and fast neutron shielding performance and mechanical performance, the preparation method is simple and easy to implement, and the material has important application value in the field of nuclear radiation shielding.

The invention relates to the technical field of tire rubber manufacturing, and discloses a tread rubber composition containing modified liquid rubber. According to the rubber composition, solution polymerized styrene-butadiene rubber and butadiene rubber are used as rubber substrates to construct a rubber system, and high-specific-surface-area white carbon black (BET is greater than or equal to 180m / g) is also added into the rubber system. The modified liquid rubber is added into the rubber system. The modified liquid rubber is prepared by melting and grafting unsaturated regenerated liquid rubber and maleic anhydride in the presence of a free radical initiator, and waste tire resources are effectively utilized. The modified liquid rubber can be used as a wetting agent, a coupling agent and a cross-linking active matter in the tread rubber composition at the same time, can effectively improve the dispersibility of the white carbon black, enhance the interface bonding force of the white carbon black and the rubber composition, weaken the Payne effect and enhance the wear resistance of the rubber composition, and does not affect the rolling resistance and wet skid resistance of the rubber composition. And the low-energy-consumption requirement of a new energy automobile is met.

The utility model discloses a fiber skeleton reinforced rubber diaphragm plate which comprises a fiber skeleton reinforced layer and a rubber layer installed on the fiber skeleton reinforced layer in an attached mode, the rubber layer comprises an outer sealing rib, a U-shaped structure, a main body structure and an inner sealing rib, and the outer sealing rib and the inner sealing rib are both circular. The circular top end of the outer sealing rib is in smooth transition connection with the top end of one side groove wall of the U-shaped structure, the top end of the other side groove wall of the U-shaped structure is in smooth transition connection with the lower end of the body structure, and the upper end of the body structure is in smooth transition connection with the circular top end of the inner sealing rib. The fiber skeleton reinforced rubber diaphragm plate provided by the utility model has the characteristics of long service life, good service braking stability, high emergency braking sensitivity, safety and reliability.

The utility model discloses a reinforced rubber key, and relates to the technical field of rubber key structures. According to the technical scheme, the key comprises keys, a reinforcing metal assembly, a rubber plate and mounting holes. The key is arranged between the shell and the circuit board, and the key, the rubber plate and the reinforcing metal assembly are integrated by embedding the reinforcing metal assembly into the mounting hole in the back surface of the rubber plate, so that the key is not easy to be clamped into the shell when a user presses the key, the size of the whole rubber key is reduced, and the service life of the key is prolonged. The method can be applied to various ultra-thin or high-requirement electronic devices. The structure is high in practicability, wide in application range and easy to popularize.

The invention belongs to the technical field of high polymer materials, and discloses a high-temperature-resistant nano-reinforced rubber composition and a preparation method thereof.The rubber composition comprises 50-65 parts of a rubber matrix, 25-40 parts of a gradient filler system, 1.5-3 parts of a metal oxide modifier, 2-4 parts of a resin vulcanizing agent and 0.8-1.5 parts of a synergistic stabilizer; the gradient filler system is formed by compounding surface hydroxylation modified micron-sized hollow glass beads and nano-sized boron nitride according to a mass ratio of 3: 1-5: 1. According to the invention, a gradient distribution system of the micron-sized hollow glass beads and the nano-sized boron nitride is constructed to form a three-dimensional interpenetrating support network, so that the tensile strength retention rate of the material at a high temperature of 180 DEG C is increased to 85% or above, and is increased by about 15% compared with that of a traditional carbon black or white carbon black system.

The utility model provides a mining steel wire braided rubber tube which comprises an inner tube body, a reinforcing layer is arranged outside the inner tube body, the reinforcing layer comprises a braided layer and rubber adhered to gaps of the braided layer and the outer portion of the braided layer, and an outer tube body is arranged outside the reinforcing layer. The braid layer comprises a steel wire strand spirally wound on the surface of the inner pipe body, the steel wire strand comprises a plurality of steel wires, and a plurality of wire strands with the rotating direction opposite to that of the steel wire strand are further spirally wound on the surface of the inner pipe body. According to the mining steel wire braided rubber pipe provided by the utility model, the steel wire strands and the wire strands are braided on the inner pipe body by the braided layer through a specific structural design, so that a braided rib net can be effectively prevented from loosening, the overall structural strength of the rubber pipe is enhanced, the loading capacity of the rubber pipe is improved, and the service life of the rubber pipe is prolonged.

The utility model discloses a pipe joint for an oil-free compressor that prevents seal damage, and relates to the technical field of oil-free compressors, including a connecting sleeve and a connecting straight pipe, and also including a seal and a reinforcement piece, wherein the seal includes a connecting pipe and a placement table, wherein the placement table is engaged with the inner side of the connecting sleeve, and a rubber sealing ring is engaged with the inner edge of the placement groove, and the reinforcement piece includes a vent pipe and a fixing ring, wherein the fixing ring is fixedly connected to the outer side of the vent pipe, and the bottom of the vent pipe is inserted between the connecting pipe and the inner side of the rubber sealing ring, and the fixing ring is matched with the top of the rubber sealing ring. The utility model adds a group of reinforcement pieces for ventilation in the middle of the rubber sealing ring at the connecting joint, and the fixing ring extrude and reinforce the top of the rubber sealing ring to protect the rubber sealing ring, prevent the sealing ring from being broken by high-pressure gas, increase the service life of the rubber sealing ring, and reduce maintenance costs.

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 present application relates to a kind of epoxy resin binder for elastic pavement and its preparation method, the preparation method of epoxy resin binder includes the following steps: S1, the diluent, epoxy resin and curing agent with the molar ratio of (1-2.5) : 1 : (0.23-0.4) are mutually soluble and stirred to react, after the reaction is cooled to room temperature, accelerator is added and stirred, to obtain epoxy resin binder;Wherein, the weight of the accelerator accounts for 0.8-1.4% of the sum of the weight of the diluent, the epoxy resin and the curing agent;S2, the filler and the epoxy resin binder with the mass ratio of (0.7-1.4) : 1 are stirred to obtain epoxy resin binder.The epoxy resin binder can effectively enhance the durability of rubber elastic pavement.

The utility model relates to the technical field of thermo-sensitive paper labels, in particular to a thermo-sensitive label for a cold chain, which comprises a protective film layer, a printing layer, a water absorption layer, a weather-proof glue layer and a release paper layer, and the water absorption layer is arranged between the printing layer and the weather-proof glue layer. A blocking adhesive tape and a reinforcing adhesive tape are adopted to ensure firm combination with a pasted object; through the cooperation of the water accumulation area and the water absorption layer, water entering the weather-proof glue layer is absorbed in the water absorption layer, and the label is prevented from falling off from a pasted object in a low-temperature and high-humidity environment; the protective film layer is arranged on the printing layer, water blocking is conducted on printed characters of the printing layer, character blurring caused by the fact that the surface of the label is affected with damp is avoided, and the actual using effect of the label is improved.

The utility model relates to the technical field of dies, and discloses a writing brush box production and processing die which comprises a supporting plate, an upper die is arranged at the top of the supporting plate, a plurality of first connecting columns are fixedly connected to the bottom of the upper die, a plurality of clamping grooves are formed in the first connecting columns, a lower die is arranged at the bottom of the upper die, and a plurality of second connecting columns are arranged at the bottom of the lower die. A plurality of rubber pads are arranged in the lower mold, a plurality of first fixing blocks are fixedly connected to the outer walls of the rubber pads, connecting rods are rotatably connected to the interiors of the first fixing blocks, second fixing blocks are rotatably connected to the outer walls of the connecting rods, and first springs are fixedly connected between the second fixing blocks on the two sides; and clamping columns are slidably connected to the interiors of the rubber pads. According to the device, the tightness of the rubber pad to the outer wall of the first connecting column is enhanced through the rebound acting force of the first spring, meanwhile, the clamping column is used for clamping and fixing the clamping groove in the first connecting column, the stability of the device in the die pressing process is improved, and the die pressing effect of the device is enhanced.

The invention discloses a composite riveting connection structure of an automobile shock absorber hydraulic hose, which comprises a hose, a connection joint and a riveting claw, the hose is a braided wire reinforced rubber hose, the connection joint comprises a lining core and a steel sleeve, one end of the lining core is welded with a hard pipe, and the other end of the lining core is inserted into the hose; the end, inserted into the hose, of the lining core is sleeved with a steel sleeve, the steel sleeve is sequentially provided with a flat riveting fastening section and a point riveting buffering section in the axial direction of the steel sleeve, the flat riveting fastening section and the point riveting buffering section are coaxially and integrally formed, the flat riveting fastening section is a full-circumference compression area with inner protrusions of the steel sleeve, and the point riveting buffering section is a local compression area with circumferential arc-shaped protrusions after extrusion. The riveting claw extrudes the steel sleeve to achieve fixed connection of the hose and the lining core, and bosses matched with the flat riveting fastening section and the point riveting buffering section respectively are arranged in the riveting claw. The braided wire reinforced hose with the inner diameter of 5-12 mm is matched, the tensile strength is larger than or equal to 11 kN under the working pressure of 13-35 MPa, the ultimate pulse service life reaches 2,000,000-2,000,000 times, and the lightweight and high-pressure performance requirements of new energy automobile suspension shock absorbers are met.

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.

The invention provides a rubber composite material, a preparation method thereof and an obtained tire, and belongs to the technical field of tire rubber materials. According to the rubber composite material provided by the invention, the carbon-precipitation-method white carbon black is adopted as a reinforcing agent, so that the vulcanization characteristic Tc90 of the obtained rubber composite material can reach 14.82 min, the MH can reach 31.28 dNm, the tear strength of vulcanized rubber can reach 68.15 kN / m, the tear strength after aging can reach 31.86 kN / m, and the vulcanization, mechanical and aging properties of the rubber composite material are obviously superior to those of a traditional acid-precipitation-method white carbon black reinforced rubber composite material; the production efficiency, the driving safety and the service life of the tire are effectively improved. Besides, the carbon separation method white carbon black used in the rubber composite material is a chemical for recycling and reusing carbon dioxide, reasonable utilization of the carbon separation method white carbon black in the rubber composite material plays a positive role in promoting sustainable development of modern industry and achieving peak carbon neutralization, and meanwhile the environmental pollution problems such as leakage of sulfuric acid prepared through a traditional acid precipitation method are avoided.

The invention belongs to the technical field of carbon materials, and provides a nitrogen-phosphorus-doped porous carbon modifier and a preparation method and application thereof.The preparation method comprises the steps that raw materials and water are mixed, stirred and dried, and a mixture is obtained; wherein the raw materials comprise polyaspartic acid, magnesium sulfate, polyvinylpyrrolidone and melamine phosphate in a mass ratio of (3-7): (4-6): (4-6): (3-7); the mixture is kept at 280-320 DEG C for 8-16 h, and a polymer is obtained; carbonizing the polymer in an inert gas atmosphere for 1.5-3 hours to obtain a nitrogen and phosphorus doped porous carbon modifier; wherein the carbonization temperature is 850-1000 DEG C. According to the preparation method, the nitrogen and phosphorus doped porous carbon is obtained, the porous carbon can be applied to a rubber additive and a battery negative electrode material, rubber can be effectively reinforced and the wear resistance of the rubber can be improved after the porous carbon is applied to the rubber additive, meanwhile, the preparation method is simple, complex steps are avoided, and the cost is reduced.