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35results about How to "Reduce loose" patented technology

Leak-Free Stopper Having Low Breakloose and Sustaining Forces

A thermoplastic elastomer stopper that meets the desired material properties of a stopper for a syringe assembly is disclosed. The compression set of the thermoplastic elastomer stopper of the present disclosure is ≦50% when measured at 25% compression for 22 hrs at 70 degree C. The hardness of the thermoplastic elastomer stopper of the present disclosure is 40-70 Shore A. The viscosity of a thermoplastic elastomer stopper of the present disclosure is ≧70 Pa·s at 1,000 s−1 shear rate, ≧12.0 Pa·s at 10,000 s−1 shear rate, and ≧3.0 Pa·s at 50,000 s−1 shear rate when measured using a capillary rheometer at 205 degree C. (Die: Roundhole 20 mm length / 1 mm diameter / 180 degree inlet, Piston: d=15 mm, and melting time=7 min). The present non-lubricated stopper exhibits the required functional performance of a lubricated stopper.
Owner:BECTON DICKINSON & CO

Sludge drying full-automatic production line

The invention relates to a sludge drying full-automatic production line. Along the material conveying direction, the sludge drying full-automatic production line sequentially comprises a feeder, a sludge forming machine, a drying dehumidifier and a discharger, wherein the sludge forming machine comprises a sludge tank, a forming roller and a stirring pressurization cutter; the top of the sludge tank is provided with a feed port, the bottom of the sludge tank is provided with a discharge port, and the forming roller is arranged at the discharge port of the sludge tank; the stirring pressurization cutter comprises a rotating shaft, a driving mechanism for driving the rotating shaft to rotate, and more than two blades which are circumferentially uniformly distributed on the periphery of the rotating shaft; the blades are connected with the rotating shaft through connecting rods; one surface of each blade facing towards the rotating shaft is a joint surface, and the other surface away from the rotating shaft is a pressurization surface which is cambered; and when the blades rotate to the bottommost end, the cambered pressurization surface of each blade can apply a certain pressure to the sludge at the forming roller, so that the accumulated sludge becomes compact, and the compacted sludge is extruded into the forming roller to be formed, so that the formed sludge has favorable continuity and is compact without easily becoming loose.
Owner:GUANGZHOU KAINENG ELECTRIC EQUIP

Mooncake gift box and manufacturing process thereof

The invention discloses a mooncake gift box and a manufacturing process of the mooncake gift box, and relates to the technical field of gift boxes. The mooncake gift box comprises a panel body, a bottom layer inner box is bonded on the middle of the panel body, the bottom layer inner box is of an opening structure, and is in folded connection with an inner box cover plate, upper layer inner boxesof opening structures are bonded on the two sides of the panel body, a lower iron sheet is embedded on one end of the inner box cover plate, a lower magnet is embedded in the inner wall of the bottomlayer inner box, one of opposite faces of the two upper layer inner boxes is provided with a side iron sheet in an embedding manner, and a side magnet is embedded on the other one; during carrying, two upper layer inner boxes are stacked above the bottom layer inner box and attracted to be attached, a whole body is formed, the interior cannot be tipped over, use is convenient, during showing, thepanel body is opened, the two upper layer inner boxes are located on the two sides of the bottom layer inner box and are provided with upward openings, the products in the box can be sufficiently shown, and showing is rapid and convenient.
Owner:武汉易锦包装印务有限公司

Thin film packaging device and thin film rolling and packaging integrated equipment

The invention relates to a thin film packaging device and thin film rolling and packaging integrated equipment, and relates to the technical field of thin film production equipment. The thin film packaging device comprises a machine body, a fixing frame is arranged on the machine body, a rolling roller is rotationally connected to the fixing frame, a thin film coiled material is wound around the rolling roller, a support is installed on the machine body, the support is provided with a packaging belt body, the end, away from the support, of the packaging belt body is wound around the thin film coiled material, and the machine body is provided with a driving assembly used for driving the support to move in the axis direction of the thin film coiled material. The driving assembly drives the support to move in the axis direction of the thin film coiled material, the thin film coiled material is rotationally connected with the fixing frame, then the packaging belt body is spirally wound on the thin film coiled material, the thin film coiled material can be tightened, the possibility that the thin film coiled material is loosened is reduced, labor is saved, and the packaging efficiency is improved.
Owner:常州新达力塑料机械有限公司

Low-temperature stickiness knock test equipment of asphalt and aggregate and test method thereof

The invention discloses low-temperature stickiness knock test equipment of asphalt and aggregate and a test method thereof, relating to material performance test equipment in the civil engineering and a test method thereof, in particular to low-temperature stickiness knock test equipment of asphalt and aggregate and a test method thereof. The invention aims to solve the problems that the existing test method has wide aggregate grain diameter range and unreasonable arrangement, a steel ball is easy to be in eccentric impact, no relevant equipment is provided and the like. The test equipment comprises a steel ball support frame, a test piece frame, a macadam collecting tank and a test piece shaping tank, wherein the macadam collecting tank is pulled and drawn from the bottom of the test piece frame, and the shaping tank is arranged on the test piece frame in the mode that the bottom surface faces upwards. The test method is as follows: 1. the distance from a horizontal tube to the frame is 500 mm; 2. 100 macadams are dried; 3. hot asphalt is filled into a preheated shaping tank and is cooled after vibration; 4. macadam is put on the asphalt and is cooled after heated; 5. the shaping tank is erected, and a steel sphere falls; and 6. macadam expulsion rate is calculated. The invention is especially suitable for material selection of big-gap dewatering asphalt pavement.
Owner:HARBIN INST OF TECH

Method in connection with a reel-up of a fibre-web machine

InactiveCN101378979AReduce surface cracksNo "flying debris" problemWebs handlingFiberSurface layer
The invention relates to a method in connection with a change process of a reel-up of a fibre-web machine, which method is applied when performing a change of reeling of a web (W) from a web roll (11) being completed to a new web roll for reeling the next roll around a reeling shaft (12). In the method, for fastening the surface layer / surface layers of the web roll (11) to the web roll (11) beingcompleted, at least one two-sided tape (20) is adhered from its one side to the web (W) being passed to the web roll (11) being completed or to the surface of the web roll (11) and said tape (20) is adhered from its other side to the surface of the web roll (11) being completed / to the surface of the web (W) being reeled onto the web roll (11) being completed due to the effect of a reeling nip between the reel drum (13) and the web roll (11) or a pressing-roll nip between the web roll (11) and a pressing roll (14) or due to the effect of the tightness (T) of the web.
Owner:METSO PAPER INC

Tabletting device for producing medical drugs

The invention relates to the technical field of medicine pressing accessory devices, in particular to a tabletting device for producing medical drugs. The tabletting device can conveniently control the pressed dosage and take out pressed tablets to reduce the using boundedness, can improve the compactness of the pressed tablets to reduce loosening of the tablets and improve the using reliability,and comprises a working table, a group of lower dies, a group of upper dies and a lower pressing plate and further comprises a base, a group of support columns, a group of lower support rods, a groupof support springs and a group of adjusting threaded rods; a group of rotary plates are arranged at the bottom ends of the group of adjusting threaded rods separately; the tabletting device further comprises a group of upper support rods, a group of limiting rods, a group of limiting rings, a top plate, a group of positioning springs, a lower pressing threaded rod, a runner and a rotary handle; athrough hole is formed in the center of the top plate; internal threads corresponding to the group of lower pressing threaded rods are formed in the through hole; and the bottom ends of the lower pressing threaded rods are mounted through threads and penetrate through the through hole.
Owner:山西云度知识产权服务有限公司

Industrial solid waste comprehensive treatment system and treatment method

The invention provides an industrial solid waste comprehensive treatment system and a treatment method. The industrial solid waste comprehensive treatment system comprises a mounting bottom plate, supporting legs, a conveying mechanism, a compressing mechanism and a packaging mechanism, and can solve the problems that during waste cloth treatment operation, cloth needs to be manually bundled through a packaging rope, the labor intensity of workers is increased due to a large amount of repeated operation, moreover, the cloth is difficult to be effectively compressed by manual packaging, so that the density of the cloth in each area in a cloth compression block is kept consistent, the probability of loosening of the cloth compression block is increased, and the packaged cloth compression block is difficult to eject out of the equipment, and the cloth is loosened and falls off due to excessive scraping between the cloth compression block and the side wall of a compression box when the cloth is taken out manually is solved.
Owner:西安旭旌再生资源有限公司

Petroleum drilling auxiliary agent and preparation method thereof

PendingCN111500267AImproved heat and salt resistanceImprove heat and salt resistanceDrilling compositionMicrocrystalline waxDioxyethylene Ether
The invention discloses a petroleum drilling auxiliary agent and a preparation method thereof, and belongs to the technical field of petroleum auxiliary agent preparation. The petroleum drilling auxiliary agent is prepared from the following raw materials: modified humic acid, 4-hydroxy-6-acetamido-2-naphthalene sulfonic acid, maleic anhydride acylated chitosan, modified potassium hexatitanate whiskers, nonylphenol polyoxyethylene ether, linear polysiloxane, microcrystalline wax, hydroxyl aluminum and water. The petroleum drilling auxiliary agent is prepared through high-speed dispersion. By improving the prior art of the petroleum drilling auxiliary agent, the high-temperature and low-temperature filtration losses are remarkably reduced, and the application requirements are met.
Owner:粤久久食品科技(江门)有限公司

Arid area tree transplanting device

The invention provides an arid area tree transplanting device. The device comprises a device body and openings, wherein the upper end and the lower end of the device body are grooved to form the openings; a transplanting component is arranged in the device body; and a grooving component is arranged at the outer end of the transplanting component. Firstly two arc-shaped cutting knives surround andare fixed to the bottom of a tree, and after the tree is excavated through the arc-shaped cutting knives and cutting blades, the whole tree can be conveniently lifted from a pit through cooperation ofa hydraulic rod and the arc-shaped cutting knives which are integrally circular, so that loosening of soil at the bottom of the tree in a transportation process is reduced, and the working efficiencyof the device is effectively improved; and by utilizing sound absorption plates and heating plates arranged in the arc-shaped cutting knives, while noise is reduced, in a desert arid area with the relatively large day and night temperature difference, surrounding soil and air are easily and rapidly heated to generate steam, so that water drops are formed through condensation, and water resourcescan be obtained while the tree is excavated.
Owner:陈水清

Crop harvester

The invention discloses a crop harvester. The crop harvester comprises a motor, a shell, a storage groove and a clamping plate, wherein the storage groove is formed in the shell, the motor is arrangedon the inner side wall of the shell at the top end of the inner portion of the storage groove, the middle of the inner portion of the storage groove is provided with two parallel beating rollers, thetwo beating rollers are connected through a belt pulley mechanism, an output end of the motor is connected with one of the beating rollers through the belt pulley mechanism, and the outer side wallsof the beating rollers are equidistantly and uniformly provided with protrusions. According to the crop harvester, the bottom of the shell is provided with universal wheels, and the portion, in an opening of the storage groove, of the shell is provided with a first baffle and a second baffle separately, which facilitates the movement of the crop harvester, the first baffle is utilized to cooperatewith the second baffle, the leakproofness of the storage groove is improved both in the crop beating collection and in the crop harvesting process, which avoids the situation that foreign matter enters harvested fruits and avoids the waste of fruit splashing in the process of beating the fruits.
Owner:肥东县爱雯家庭农场

Precise trimming device for section of end part of spliced protective fence

The precise trimming device comprises a supporting assembly, a grinding assembly and a clamping assembly, the grinding assembly and the clamping assembly are arranged above the supporting assembly, two bottom vertical plates perpendicular to the grinding assembly are arranged above the supporting assembly, and bottom plate horizontal holes are formed in the upper ends of the bottom vertical plates; wherein one bottom vertical plate is located at the end of the supporting assembly, four vertical bottom bolts are arranged at the other end of the supporting assembly, bottom plate vertical holes are formed in the positions, at the midpoints of the diagonal lines of the four bottom bolts, of the supporting assembly, the grinding assembly comprises a horizontal plate and a machine clamping cylinder, and the machine clamping cylinder is located above the horizontal plate. The horizontal plate is connected with the machine clamping cylinder through a vertical nut and a vertical gasket, a motor is fixed in the machine clamping cylinder through a cylinder locking screw, and a connecting shaft is fixed in an output shaft of the motor. According to the precise trimming device for the section of the end of the spliced type protective fence, precise angle trimming of the end of a part of the spliced type protective fence can be achieved, and the precise trimming device is suitable for being widely used and popularized.
Owner:天长市锦瑞防护设施有限公司

Reed-based biomass rod utilization production system

The invention discloses a reed-based biomass rod utilization production system which comprises a chipping machine, a pulverizer, a drying fan, a dust remover and a granulation device, the granulation device comprises a granulation box, the granulation box is composed of an upper cylinder with an opening in the bottom and a lower cylinder with an opening in the top, and a template, a main shaft, a compression roller and a blade are arranged in the granulation box; the main shaft drives the compression roller to extrude reed base powder, the reed base powder penetrates through the die hole of the template and is cut into particles by the blade, the granulation device improves the compression roller, so that rapid exhaust can be carried out between single pieces of the compression roller, meanwhile, the flow guide shaft accelerates exhaust, the attraction of the compression roller to the reed base powder is enhanced, the compactness of reed base rod-shaped particles is improved, and looseness is reduced. And the production quality and efficiency of the reed-based biomass rods are improved.
Owner:WUXI DELINHAI ENVIRONMENTAL PROTECTION TECH CO LTD

A fully automatic production line for sludge drying

The invention relates to a sludge drying full-automatic production line. Along the material conveying direction, the sludge drying full-automatic production line sequentially comprises a feeder, a sludge forming machine, a drying dehumidifier and a discharger, wherein the sludge forming machine comprises a sludge tank, a forming roller and a stirring pressurization cutter; the top of the sludge tank is provided with a feed port, the bottom of the sludge tank is provided with a discharge port, and the forming roller is arranged at the discharge port of the sludge tank; the stirring pressurization cutter comprises a rotating shaft, a driving mechanism for driving the rotating shaft to rotate, and more than two blades which are circumferentially uniformly distributed on the periphery of the rotating shaft; the blades are connected with the rotating shaft through connecting rods; one surface of each blade facing towards the rotating shaft is a joint surface, and the other surface away from the rotating shaft is a pressurization surface which is cambered; and when the blades rotate to the bottommost end, the cambered pressurization surface of each blade can apply a certain pressure to the sludge at the forming roller, so that the accumulated sludge becomes compact, and the compacted sludge is extruded into the forming roller to be formed, so that the formed sludge has favorable continuity and is compact without easily becoming loose.
Owner:GUANGZHOU KAINENG ELECTRIC EQUIP

Assembly device for intravenous needle catheter and needle handle

PendingCN106042368AAccurate and reliable clampingAvoid the risk of falling looseIntravenous needlesGuide tube
The invention relates to an assembly device for an intravenous needle catheter and a needle handle. The assembly device comprises a rack, a catheter assembly device arranged on the rack, a needle handle discharge device and a material shifting mechanism, wherein the needle handle discharge device comprises a feeder and a conveying material path for conveying the needle handle; the feeder is provided with one or one group of output holes; the feeder is fixed to the rack, and can convey the needle handle to the conveying material path orderly along the output holes in a unified direction; the needle handle discharge device further comprises a limiting device and a positioning plate; and the positioning plate and the limiting device are sequentially distributed on the end part of the conveying material path, and are driven by a drive device to move up and down. According to the technical scheme adopted by the invention, the assembly device for the intravenous needle catheter and the needle handle can realize ordered output of the needle handle and positioning of the intravenous needle catheter, realizes automatic assembly for the needle handle and the intravenous needle catheter, is high in degree of automation, and improves working efficiency in comparison with a manual loading way.
Owner:梁启明

Seedling-raising disc for storing and transporting seedlings

The invention relates to the technical field of agricultural plating, and discloses a seedling-raising disc for storing and transporting seedlings. The seedling-raising disc comprises a hole tray, wherein liquid holes are formed in the upper part of the outer wall of the hole tray; a pressure plate is rotably connected to the edge of the top of the hole tray; an annular cavity located outside theliquid holes is formed in the outer wall of the hole tray; a base is arranged at the bottom of the hole tray; a main magnetic block is fixedly connected to the lower part of the base; and a sliding seat is arranged in the base. Nutrition liquid is continuously conveyed into a medium by virtue of vibration of a vehicle, so that water and liquid are adequately supplied to the seedlings, and meanwhile, the problem that manual irrigation is required in a transportation process can be avoided; and besides, the irrigated nutrition liquid is atomized by virtue of a thin channel formed in the hole tray, so that the volumes of the nutrition liquid drops are reduced, the adsorption force of the nutrition liquid drops to the medium is enhanced, the dropping speed of the nutrition liquid is decreased,the contact time of the nutrition liquid and roots of the seedlings is prolonged, and sufficient nutrients are provided for growth of the seedlings.
Owner:中志浩(海南)科技有限公司

A seedling tray for storage and transportation of seedlings

The invention relates to the field of agricultural planting technology, and discloses a seedling tray for storage and transportation of seedlings, which includes a tray, a liquid hole is opened above the outer wall of the tray, and a pressing plate is connected to the edge of the top of the tray in rotation. The outer wall of the tray is provided with a ring cavity located outside the liquid hole, the bottom of the tray is provided with a base, the bottom of the base is fixedly connected with a main magnetic block, and the inside of the base is provided with a sliding seat. The present invention uses the vibration of the vehicle to continuously transport the nutrient solution into the matrix to ensure the sufficiency of water supply and liquid supply for the seedlings, and at the same time avoid the problem of manual watering during transportation. Atomize the irrigated nutrient solution to reduce the volume of the nutrient droplet, increase the adsorption force between the nutrient droplet and the substrate, slow down the falling speed of the nutrient solution, prolong the contact time between the nutrient solution and the roots of the seedlings, and provide sufficient water for the growth of the seedlings. nutrient.
Owner:中志浩(海南)科技有限公司

Fly ash cooled pellet ball press machine

The invention relates to the technical field of metal smelting, and discloses a fly ash cooled pellet ball press machine. The fly ash cooled pellet ball press machine comprises a box body, a feeding port and a driving roller, wherein a roller sleeve is arranged on the driving roller in a sleeve mode, a plurality of rows of first ball sockets are formed in the roller sleeve, at least three driven rollers are further rotationally connected into the box body, a transmission belt is jointly wound around the exteriors of all the driven rollers, a plurality of rows of second ball sockets are formedin the transmission belt, the transmission belt wraps around the middle and lower portions of the roller sleeve and abuts against the side surface of the roller sleeve, and a plurality of driving units for driving the transmission belt to move are arranged on the roller sleeve. According to the solution, the roller sleeve can drive the transmission belt to move synchronously through the driving units, the contact area between the transmission belt and the roller sleeve is larger, the material extrusion time is prolonged, then the extrusion quality is improved, meanwhile, the first ball socketand the second ball socket are supplemented with materials, it is guaranteed that sufficient materials exist in the first ball socket and the second ball socket, and the pelletizing rate of cooled pellets is increased.
Owner:CHONGQING ZHONGZHA METALLURGY RENEWABLE RESOURCESCO

Shallow seabed symmetric audio communication cable and manufacture method thereof

InactiveCN103050182BImprove mechanical propertiesTo ensure the reduction of inherent attenuationSubmarine cablesCable/conductor manufactureOcean bottomCopper conductor
The invention relates to a shallow seabed symmetric audio communication cable and a manufacture method thereof. A high pressure polyethylene insulation layer is extruded outside a copper conductor to form an insulated wire core, four insulation cores with different colors are twisted into star quads, the four star quads are respectively wound outside a polyethylene pad core, a measurement copper wire is arranged in the polyethylene pad core, signal wires are respectively arranged between the peripheries of every two adjacent star quads and are twisted into a core, and a polyester film strip, a high pressure polyethylene sheath, a first impregnated hemp rope, a first asphalt coating layer, a copper alloy wire anchoring layer, a second asphalt coating layer, a second impregnated hemp rope lining layer, a third asphalt coating layer, an aluminum magnesium alloy plated steel wire anchoring layer, a fourth asphalt coating layer, a first impregnated gird layer, a fifth asphalt coating layer, a second impregnated gird layer, a sixth asphalt coating layer and a plastic film adhering-preventing layer are sequentially coated on the periphery of the core. The shallow seabed symmetric audio communication cable is capable of transmitting communication and control signals, and has the advantages of stable structure, seepage prevention, corrosion resistance, good pulling resisting property, and stable signal transmission during water impaction.
Owner:JIANGSU YUANYANG DONGZE CABLE

Stable assembly structure of partition assembly

PendingCN113907545AAvoid problems that prevent a stable assemblyImprove assembly stabilityDrawersClassical mechanicsStructural engineering
The invention relates to a stable assembly structure of a partition assembly. The partition assembly is composed of a plurality of detachable disassembly and assembly plates which are detachably and fixedly connected. A containing cavity is formed among the multiple disassembly and assembly plates after the disassembly and assembly plates are fixed, a reinforcing plate is arranged in the containing cavity, and an anti-falling part is arranged at the end of the reinforcing plate. Anti-falling matching parts are arranged on the plurality of disassembly and assembly plates; and the reinforcing plate is arranged on the anti-falling matching parts in an elastic anti-falling manner from the outer side through the anti-falling part, so that the reinforcing plate is stably assembled in the containing cavity. Through the cooperation between the anti-falling part and the anti-falling matching parts, the assembling stability of the reinforcing plate is improved, the phenomenon of bending deformation of the reinforcing plate can be reduced, and therefore the appearance regularity of the partition assembly is improved; due to the fact that the reinforcing plates can be stably assembled, the multiple disassembly and assembly plates can be reinforced and stabilized after being assembled, the overall structural strength of the partition assembly is improved, the problems that the partition assembly is twisted and loosened after being assembled are solved, and the use experience of a user is improved.
Owner:GUANGDONG DTC HARDWARE PRECISION MFG CO LTD

Comprehensive treatment and restoration structure and construction method of embankment base disease

The invention relates to a comprehensive treatment and repair structure for diseases of an embankment base layer. The comprehensive treatment and repair structure comprises an embankment V-shaped groove repair structure body, an embankment step-type open groove repair structure body and an embankment base layer disengaging control grouting repair structure body. The embankment V-shaped groove repair structure body is composed of hinged V-shaped unit type rib frames. The hinged V-shaped unit type rib frames are longitudinally arranged along the road surface. The lower portions of the hinged V-shaped unit type rib frames are connected together through connecting rib bottom plates. Net-shaped rib sheets are bound on the hinged V-shaped unit type rib frames, and vertical prestress middle ribsare arranged on the hinged V-shaped unit type rib frames. Bonding layers and anti-cracking reinforcing layers are laid on the upper portions of the hinged V-shaped unit type rib frames. The comprehensive treatment and repair structure has the beneficial effects that unit type rib frame embankment V-shaped grooves are formed in the surface layer of the road surface, local all-deep milling is replaced, an embankment V-shaped groove skeleton is composed of the hinged V-shaped unit type rib frames, tooth nails on the hinged V-shaped unit type rib frames are deeply inserted into a lower surface layer, thus meshing force of the embankment V-shaped groove skeleton is increased, stress concentration at the top end of a crack is eliminated, and the crack is prevented from continuing to develop upwards.
Owner:HANGZHOU JIANGRUN TECH LIMITED

Tobacco charging process

The invention discloses a tobacco charging process. The process comprises the following steps of: loosening, dampening and charging, namely, processing tobacco blocks into loose tobacco pieces to which feed liquid is applied; storing leaves, namely, allowing the tobacco pieces to fully absorb the feed liquid; shredding; charging leaf shreds, namely, uniformly applying the feed liquid to tobacco shreds; and drying leaf shreds, namely, dehydrating charged tobacco shreds at a high temperature, wherein in the loosening, conditioning and charging step, the tobacco pieces are delivered into a loosening, conditioning and charging device and the feed liquid is applied. A conventional tobacco piece charging position is moved into the loosening and conditioning step and tobacco piece charging is completed on the a loosening and conditioning device, so that a one-step leaf storing step and a wet leaf charging step in conventional flow are eliminated, technical flows are shortened and consumptionis reduced. Simultaneously, the process fulfills the aims of loosening and charging without affecting the feed liquid application effect and absorption effect, improves charging effect and saves charging cost by adding one-step tobacco shred charging, shortens technical flows, reduces material loss, achieves better charging effect and improves cigarette appearance.
Owner:SHANGHAI TOBACCO GRP CO LTD

Preparation method of composite anti-aging agent based on thermo-oxidative aging of asphalt components

The invention is a method for compounding asphalt composite anti-aging agents based on component levels, which belongs to the technical field of road asphalt pavement durability, and solves the problems of single components of asphalt anti-aging agents, no compounding technology, and lack of scientific basis for compounding schemes. Comprehensive anti-aging effect is poor. This method selects asphalt samples, separates asphaltene, saturated components, aromatic components, and colloids in sequence, and prepares various components of asphalt; then, respectively optimizes anti-aging agents that match the thermal-oxidative aging characteristics of each component of asphalt, And determine its addition amount; secondly, according to the content of each component in the asphalt, preliminarily design the anti-aging agent compounding scheme, investigate the effect of the prepared compound anti-aging agent on asphalt thermo-oxidative aging improvement, according to the anti-aging agent compounding The scheme was initially optimized; finally, the influence of compound anti-aging agent on the road performance of asphalt and its mixture was evaluated, and the compounding scheme of anti-aging agent was further optimized to prepare high-efficiency compound anti-aging agent to improve the durability of asphalt pavement.
Owner:NANJING FORESTRY UNIV
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