68 results about "Resin modified" patented technology

The invention discloses deep coal bed gas well cementation cement paste and a preparation method thereof, and the deep coal bed gas well cementation cement paste is prepared from the following raw materials in parts by weight: 100 parts of G-grade oil well cement, 5-15 parts of water-borne epoxy resin, 1.5-3 parts of a nano silicon dioxide solution, 0.5-1.8 parts of calcium sulfate whiskers, 0.2-0.6 part of composite coating fibers, 1.2-1.8 parts of a fluid loss agent and 0.5-1.8 parts of a retarder. 0.3 to 0.5 part of a drag reducer, 0.2 to 0.5 part of a defoaming agent and 38 to 42 parts of water; wherein the composite coating fiber is hydrophilic epoxy resin modified polyethylene fiber. The cement paste can improve the well cementation cementing packing quality of a coal seam, and has good filtration property.

The invention relates to the technical field of anti-corrosion coatings, in particular to a composite anti-corrosion coating for a medium heavy-duty anti-corrosion environment and a preparation method of the composite anti-corrosion coating. According to the technical scheme, the composite anti-corrosion coating for the medium heavy anti-corrosion environment comprises the following components in percentage by mass: a bottom coating component, a middle transition layer component and a surface coating component, and the mass ratio of the bottom coating component to the middle transition layer component to the surface coating component is 33: 17: 50; the durability is improved through multi-dimensional material innovation, a fluorocarbon resin modified waterborne epoxy system is adopted for the bottom coating, and a nano graphene directional arrangement technology is combined, so that a labyrinth effect is formed, and a corrosion medium is blocked; a solvent-free polyurea and microcapsule self-repairing system is introduced into the surface coating, so that automatic repairing after damage is realized; the middle transition layer enhances the interlayer barrier function through the oriented graphene composite material, and the three layers cooperate to construct a compact protection network, so that the medium permeation path is obviously delayed, and the full-life-cycle maintenance cost is greatly reduced.

The invention belongs to the field of industrial floor coatings, and particularly relates to a high-wear-resistance self-repairing composite floor coating and a preparation process thereof. Comprising a component A and a component B. The component A comprises polyaspartic acid ester resin, modified epoxy resin, wear-resistant particles, a microcapsule repairing agent, a molecular sieve, a photoinitiator, graphene, a leveling agent and a defoaming agent. The component B is prepared from a curing agent and N-phenylmaleimide. The preparation process comprises the following steps: firstly dispersing the component A, then dispersing the component B, and finally mixing and stirring the component A and the component B to obtain the high-wear-resistance self-repairing composite floor coating. When the floor coating prepared by the invention is damaged, immediate repairing is realized through physical filling and chemical crosslinking, and the properties of high strength, self-repairing and durability are realized.

The invention discloses a high-durability reflective hot-melt road marking coating and a preparation method thereof, and belongs to the technical field of coatings. The coating is prepared from the following raw materials in parts by weight: 15-25 parts of modified petroleum resin, 2-5 parts of a plasticizer, 5-15 parts of glass beads, 5-10 parts of pigment, 45-60 parts of filler, 3-8 parts of a durability enhancer and 0.5-1.5 parts of an antioxidant. The modified petroleum resin is obtained by hydrolyzing silane monomers in a specific molar ratio to prepare an epoxy-terminated organic silicon oligomer and then chemically grafting the epoxy-terminated organic silicon oligomer with petroleum resin. The durability reinforcing agent is prepared by compounding nano silicon dioxide, elastic polymer micro powder and a silane coupling agent according to the mass ratio of (1-2): (1-2): 1. Through the synergistic effect of resin modification and the composite reinforcing agent, the coating has excellent wear resistance, high adhesive force, excellent low-temperature flexibility and lasting light reflection performance, and is controllable in cost, convenient to construct and wide in application prospect.

The invention relates to the technical field of intermediate membranes, in particular to a heat insulation type ionic intermediate membrane and a preparation method thereof.The heat insulation type ionic intermediate membrane is characterized in that hollow silicon dioxide nanotubes serve as filler, epoxy resin modified polyurethane emulsion serves as a base material, auxiliaries are added to prepare a heat insulation coating, and the ionic intermediate membrane layer is coated with the heat insulation coating to form a heat insulation layer; the preparation method comprises the following steps: carrying out amination on a hollow silicon dioxide nanotube by using 3-aminopropyltriethoxysilane, carrying out dehydration condensation on furan-2, 5-diketone and an amino group to synthesize maleimide so as to obtain a maleimide modified hollow silicon dioxide nanotube, and grafting furan carboxylic acid imidazolium salt polyionic liquid by using a Diels-Alder reaction so as to obtain a composite hollow silicon dioxide nanotube; aminated glass fibers, composite hollow silicon dioxide nanotubes, epoxy resin modified polyurethane emulsion and auxiliaries are mixed, and a reinforcing layer coating is obtained; and coating the lower surface of the ionic intermediate film layer with a reinforcing layer coating to form the reinforcing layer.

The invention belongs to the technical field of high polymer materials, and particularly relates to a strong-service degradable epoxy resin insulating material and a preparation method thereof. The preparation method adopts a step-by-step reaction and comprises the following steps: firstly, based on a molecular chain extension technology, carrying out fused ring series modification on epoxy resin by utilizing fused ring diol; and further grafting a flexible side chain on the resin molecular chain by taking an active group in the resin molecular chain after chain extension as a grafting site. According to the resin modification technology, the molecular chain of the resin can be extended, and the brittleness of the epoxy insulating material is improved by utilizing the chain entanglement effect of the flexible side chain; meanwhile, the electrical, mechanical and thermal properties of the epoxy insulating material are synergistically enhanced by regulating and controlling the rigidity and the flexibility of chain segments in resin molecules, improving the ordered stacking density of molecular chains in a cross-linked network and reducing the free volume ratio of the network, and meanwhile, the epoxy insulating material also has high degradation efficiency and can be widely applied to the field of insulating materials. The problem that an existing degradable epoxy insulating material cannot meet the requirement of the high-voltage electric power equipment insulation field is solved, and important technical significance is achieved.

A method may include: introducing a resin modified cement slurry into a wellbore penetrating a subterranean formation, the subterranean formation comprising a caprock and a carbon dioxide injection zone, the resin modified cement slurry comprising: a resin; a hardener, a hydraulic cement; and water; and setting the resin modified cement slurry to form a set cement wherein the set cement forms a carbonation-resistant barrier in the carbon dioxide injection zone in the subterranean formation.

The invention relates to a high-solid-content epoxy glass flake heavy anti-corrosion coating for an offshore wind power foundation, which consists of a component A and a component B, the component A is prepared from raw materials in percentage by weight as follows: 10%-20% of bisphenol A epoxy resin, 20%-40% of modified hydrogenated epoxy resin, 5%-10% of liquid petroleum resin, 1%-2% of a rheological aid, 0.1%-1% of a dispersant, 0.1%-1% of a defoaming agent, 1%-3% of a silane coupling agent, 5%-10% of modified glass flakes, 20%-40% of functional filler and 0-10% of a composite environment-friendly solvent; and the component B is a mixed amine epoxy curing agent. The epoxy glass flake coating disclosed by the invention can be thickly coated at one time, has excellent adhesive force, hardness, wear resistance and impact resistance, is high in drying speed, excellent in chemical corrosion resistance, seawater soaking resistance and cathodic disbonding resistance, and meets the performance requirements of NORSOK M-501: 2022 (edition VII) Surface Treatment and Protective Coating.

The invention discloses a low-stress epoxy molding compound as well as a preparation method and application thereof. The epoxy molding compound is prepared from 6 to 7.5 parts of epoxy resin, 5 to 8 parts of phenolic resin, 65 to 90 parts of inorganic filler, 0.1 to 1.5 parts of curing accelerator, 0.1 to 5 parts of stress absorbent, 0.1 to 1.5 parts of silane coupling agent, 0.1 to 1.5 parts of flame retardant, 0.1 to 1.5 parts of release agent, 0 to 0.5 part of ion trapping agent, 0.01 to 0.5 part of gas-phase silicon and 0 to 0.5 part of coloring agent, wherein the epoxy resin comprises epoxy resin modified by a flexible organic chain segment compound, and the mass of the epoxy resin is 70-80% of the total mass of the epoxy resin. The epoxy molding compound provided by the invention has the advantages of low expansion and low modulus, and effectively improves the reliability problem of the device caused by the stress effect in the packaging process of the electronic device.

The invention relates to the field of buildings, and particularly discloses a roadbed structure based on a slag-gypsum-based cementing material and a construction process of the roadbed structure. A roadbed structure based on a slag-gypsum-based cementing material is characterized by comprising the following raw materials in parts by weight: 60-70 parts of slag, 85-100 parts of industrial byproduct gypsum, 10-20 parts of cement, 40-50 parts of water, 5-7 parts of a composite alkali activator, 2-3 parts of calcium sulphoaluminate, 7-10 parts of organic silicon resin modified steel fibers, 3-4 parts of a water reducer and 250-300 parts of gravel. The organic silicon resin modified steel fiber comprises the following raw materials: hydrogen-containing organic silicon resin, polyborosiloxane and steel fiber in a mass ratio of 32: 1.6: (40-50). The slag-gypsum-based cementing material disclosed by the invention has the advantages that the crushing resistance is high, and the crack resistance of a cured roadbed structure is good.

The invention discloses a low-temperature crosslinking process of a crosslinked polyethylene insulating material, and relates to the technical field of cable insulating material preparation. The process comprises the following steps: preparing a crosslinking premix containing a modified basic resin composition and a synergistic crosslinking system, carrying out melt blending and molding to obtain an insulating base material, optimizing the reaction activity of the base material through sectional microwave pretreatment, and carrying out low-temperature crosslinking reaction in a sealed environment through nitrogen replacement and in a saturated nitrogen atmosphere to obtain the high-temperature-resistant insulating material. And finally, carrying out gradient humidifying and cooling treatment to obtain the product. According to the process, the problems of low crosslinking degree, poor uniformity and the like of the existing process are solved through combination of resin modification, collaborative crosslinking system construction, sectional pretreatment and crosslinking environment regulation and control, and the process is suitable for efficient preparation of the high-voltage cable insulating material.

The present application relates to the technical field of functional materials for laminated glass, and particularly relates to a multifunctional PVB interlayer for laminated glass, a preparation method and application thereof. In the interlayer, the first skin layer and the second skin layer respectively comprise PVB resin, modified LaB6, synergistic stabilizer (epoxy resin, organic titanium chelating agent and ultraviolet stabilizer), plasticizer, adhesion regulator and antioxidant; the core layer comprises PVB elastomer mixture and plasticizer, and the PVB elastomer mixture comprises PVB elastomer prepared from first PVA (polymerization degree 1700-1800, alcoholysis degree 86-90%) and PVB elastomer prepared from second PVA (polymerization degree 2000-2100, alcoholysis degree 86-90%); the thickness of the skin layer is greater than that of the core layer, and the content of the plasticizer in the skin layer is less than that in the core layer. Through synergistic design of the three-layer composite structure, the present application realizes high integration of infrared blocking, anti-aging, strong adhesion and high-efficiency sound insulation functions.

This invention relates to the field of polymer materials technology. It discloses a low-linearity polypropylene-talc composite material, its preparation method, and its applications. The material comprises the following raw materials in weight percentages: polypropylene resin: 50-65%, modified talc: 15-25%, ethylene-octene copolymer resin: 10-15%, modified flat glass fiber: 5-15%, basic magnesium sulfate whiskers: 3-10%, heat stabilizer: 0.3-1%, and antioxidant: 0.1-0.5%. This composite material exhibits advantages such as a low coefficient of linear expansion, excellent surface tension, and superior mechanical properties.

This invention discloses a siloxane-modified epoxy resin and its preparation method, belonging to the field of epoxy resin modification technology. By introducing Si-O bonds into the epoxy resin molecular chain through a hydrosilylation reaction of hydrogen-containing siloxane cyclic molecules, the glass transition temperature of the modified resin can be significantly increased. Simultaneously, the dense siloxane cross-linked network can block the penetration of corrosive media such as water, acids, alkalis, and salts, thus improving the service life of the resin in humid and salt spray environments. The resulting siloxane-modified epoxy resin exhibits significantly improved mechanical properties such as heat resistance, weather resistance, stability, and toughness, solving the problem of reduced resin stability and heat resistance during modification processes in existing technologies.

A modified polyvinyl acetal resin comprising residues of a cyclic aldehyde is provided for use in forming interlayers for making laminated glass. Interlayers as described herein exhibit desirable optical and acoustic properties and are more easily recycled than those without the modified polyvinyl acetal resin.

To provide a resin modifier and an ultraviolet absorber derived from natural materials, which can dissolve in resin without use of special dispersion means.SOLUTION: A glycol lignin alkylene oxide adduct, with alkylene oxide added to glycol lignin, is used as a resin modifier or an ultraviolet absorber.SELECTED DRAWING: Figure 1

Provided are polymer compositions comprising a polyvinylidene fluoride resin and a multi-stage acrylic polymer. The multi-stage acrylic polymer comprises a cross-linked core, at least one intermediate layer, and a shell. Each of the cross-linked core and the shell comprise polymerized units derived from one or more alkyl (meth) acrylate monomers, and the one or more intermediate layers comprise polymerized units derived from one or more alkyl (meth) acrylate monomers, styrenic monomers, and combinations thereof. An article comprising the polymer composition and a photovoltaic module comprising a film comprising the polymer composition are also disclosed.

The invention provides modified linear polyurethane resin and a preparation method thereof, and a preparation method of a swelling adhesive tape, the preparation method of the modified linear polyurethane resin comprises the following steps: mixing and heating isocyanate, terminal dihydric alcohol and dibutyltin dilaurate to obtain thermoplastic polyurethane resin; the preparation method comprises the following steps: adding alkaloid with double amino functional groups into N-methyl pyrrolidone, dissolving, mixing with thermoplastic polyurethane resin, heating to generate a chain-extended linear polyurethane solution, heating, and drying to obtain the modified linear polyurethane resin. The hard segment structure of the modified linear polyurethane resin is loosely arranged, so that the hot melting fluidity of the modified linear polyurethane resin is improved, the soft segment structure is an amino-terminated aliphatic chain, chain segment movement at low temperature is promoted, the glass transition temperature is reduced, and the hard segment structure and the soft segment structure improve the processing plasticity, so that the modified linear polyurethane resin is suitable for tape casting extrusion; more permeation channels are provided through loose hard segment arrangement and weak hydrogen bond interaction, and the expansion rate of the modified linear polyurethane resin is increased.

The application relates to the technical field of plate manufacturing, and particularly discloses a manufacturing method of a four-fluorine suspension resin modified filling foaming plate. The manufacturing method of the four-fluorine suspension resin modified filling foaming plate comprises the following steps: raw material mixing: stirring and uniformly mixing four-fluorine suspension resin fine powder, silicon dioxide and camphor powder to obtain a mixture; pre-pressing forming: first applying pressure to the mixture to obtain a pre-product A; then placing the pre-product A to obtain a pre-product B; high-temperature treatment: foaming and plasticizing the pre-product B under heating to obtain a pre-product C; then cooling the pre-product C to obtain a pre-product D; rotary cutting and sheeting: heating the pre-product D, constant-temperature standing, then sheeting to obtain the foaming plate.

The application discloses a deep coal bed gas well cementing slurry and a preparation method thereof. The deep coal bed gas well cementing slurry is prepared from the following raw materials in parts by weight: 100 parts of G-grade oil well cement, 5-15 parts of water-based epoxy resin, 1.5-3 parts of nano silicon dioxide solution, 0.5-1.8 parts of calcium sulfate whisker, 0.2-0.6 parts of composite coating fiber, 1.2-1.8 parts of fluid loss reducer, 0.5-1.8 parts of retarder, 0.3-0.5 parts of drag reducer, 0.2-0.5 parts of defoaming agent and 38-42 parts of water. The composite coating fiber is a hydrophilic epoxy resin modified polyethylene fiber. The cementing slurry can improve the cementing and sealing quality of coal bed well cementing and has good filter loss.

The application discloses a kind of seawater corrosion-resistant water-blocking cables, belong to cable technical field, the seawater corrosion-resistant water-blocking cable of the application, including cable core, water-blocking filling layer, water-blocking tape layer, inner sheath, armoring layer and outer sheath, armoring layer and outer sheath between being provided with modified asphalt layer;Cable core includes conductor from inside to outside, semiconductor water-blocking layer, insulating layer, insulating shield, copper plastic composite tape and corrosion-resistant water-blocking inner sheath;Corrosion-resistant water-blocking inner sheath and inner sheath are water-blocking corrosion-resistant ethylene-propylene rubber composite material;Outer sheath is corrosion-resistant water-blocking polyethylene composite material, modified asphalt coating is prepared from resin modified geopolymer modified petroleum asphalt, the seawater corrosion-resistant water-blocking cable of the application has excellent mechanical strength, flexibility, bending performance, wear resistance, high and low temperature resistance and electrical insulation, can guarantee its stability and reliability in complex marine environment power transmission, prolongs the service life of cable, reduces maintenance cost and risk.

The invention belongs to the field of water-based spray paint, and particularly relates to environment-friendly water-soluble aerosol spray paint and a preparation method thereof. The spray paint is prepared from the following components: water-based resin, modified hollow glass microspheres, a coloring agent, a thickening agent, a composite photoinitiator, a multifunctional monomer and water. The modified hollow glass microspheres are modified and prepared through a two-step method: firstly, 3-aminopropyltriethoxysilane is adopted for surface amination, then polyethylene glycol diacrylate is grafted, and hydrophilic chain segments and cross-linkable double bonds are introduced to the surface of the modified hollow glass microspheres at the same time. Through the synergistic effect of the components, the drying speed and the adhesive force of the product are remarkably improved while the excellent heat insulation performance of the product is maintained, and the technical problems that a traditional heat insulation coating is slow in drying and poor in adhesive force are effectively solved.

The invention discloses a high-frequency and high-speed copper-clad plate and a manufacturing method thereof.The high-frequency and high-speed copper-clad plate comprises a copper-clad plate body, the copper-clad plate body is manufactured through the steps of burdening, curing, cutting, pre-stacking combination and hot press molding, and the manufactured materials comprise modified resin, modified spherical filler, modified reinforcing material and accelerant; the raw materials are proportioned in parts by weight as follows: 50-60 parts of modified resin, 8-15 parts of modified spherical filler, 8-14 parts of a modified reinforcing material and 5-15 parts of an accelerant; the invention relates to the technical field of high-frequency high-speed copper-clad plates. According to the high-frequency and high-speed copper-clad plate and the manufacturing method thereof, silicon oxide and boron oxide are used as basic components of the low-dielectric spherical filler, sodium oxide and potassium oxide are introduced at the same time, the acid and alkali resistance of glass is improved, the glass melting temperature is reduced by introducing barium oxide, the spheroidizing effect is obvious, the sphericity degree can generally reach 0.950 or above, and the high-frequency and high-speed copper-clad plate is suitable for large-scale production. The flowability is good, and the use amount of the resin can be greatly reduced in the subsequent use process.

The invention provides an anti-puncture self-repairing composite material and a preparation method thereof, and belongs to the technical field of advanced functional composites.The anti-puncture self-repairing composite material comprises a gradient modulus three-layer structure, and the gradient modulus three-layer structure comprises an outer layer, a middle layer and an inner layer; wherein the outer layer is made of self-repairing thermoplastic polyurethane (TPU) containing dynamic bonds, and the modulus of the outer layer is 1-2 GPa; the middle layer is a titanium alloy woven mesh with micro grooves etched in the surface, and the modulus is 110 GPa; and the inner layer is an epoxy resin modified TPU bonding layer containing a silane coupling agent. Through gradient modulus design, multi-scale interface strengthening and a dynamic repair-energy dissipation synergistic mechanism, lightweight high protection (resistance to non-penetration of 50J impact), dual self-repair (airtightness recovery is greater than or equal to 95%) and long-acting stability (retention of damp-heat aging peel strength is greater than or equal to 90%) required by the fields of body armor and the like are realized; and meanwhile, the cost is reduced by 30% through process innovation, and the multi-scene adaptation capability of flexible electronic packaging and the like is expanded.

The utility model provides hot processing equipment for a resin modified material, which comprises a preheating mechanism and a processing mechanism arranged at the bottom of the preheating mechanism, and the processing mechanism comprises a processing box, a heating pipe arranged in the processing box and fins arranged on the outer wall of the heating pipe, the device comprises a treatment box, a heating plate arranged at the bottom in the treatment box, a liquid outlet pipe arranged at the bottom of the treatment box, a liquid outlet groove formed in the liquid outlet pipe, and a vacuum pump arranged on one side of the top of the treatment box; when the resin modified material treatment device is used, after a resin modified material enters the treatment box, the heating pipe in the treatment box heats the resin modified material, and meanwhile, the heating plate at the bottom in the treatment box heats the bottom of the resin modified material, so that the heating efficiency is improved, and meanwhile, air in the treatment box is pumped out by the vacuum pump; and bubbles in the resin modified material are broken to perform defoaming work.

The invention discloses a continuous multi-screw oil-filled mixing machine for resin modification, which comprises a resin feeding system, an extended oil feeding system, an inorganic filler feeding system and a multi-screw oil-filled mixing machine, and is characterized in that resin is conveyed into a feed port of a first section of cylinder of the multi-screw oil-filled mixing machine; filling oil is conveyed into a feeding hole of a first section of barrel of the multi-screw oil-filled mixing machine, and the inorganic filler feeding system is connected with a barrel close to a discharging barrel of the multi-screw oil-filled mixing machine; the multi-screw oil-filled mixing machine is used for mixing and interface updating of the resin raw material and filling oil which are metered and fed in proportion under the conditions of corresponding temperature and time through a plurality of internal screws, so that the filling oil is uniformly mixed into the powder or granular resin raw material, and a certain amount of inorganic filler is mixed. The whole process is operated in a continuous mode, the production process does not need to be interrupted, the difference between batches can be avoided, and the stability and mixing uniformity in the oil filling process can be continuously guaranteed; the volume ratio is greatly improved through the parallel multi-screw mode.

The utility model belongs to the technical field of iron sheet printing equipment, and discloses a metal printing machine discharging and conveying device which comprises a multi-stage speed reduction rail, the width of the multi-stage speed reduction rail is gradually reduced in the conveying direction, and the inner wall of the multi-stage speed reduction rail is coated with an epoxy resin modified coating. The multi-stage speed reduction rail comprises a first-stage speed reduction rail body, a second-stage speed reduction rail body and a third-stage speed reduction rail body, the first-stage speed reduction rail body, the second-stage speed reduction rail body and the third-stage speed reduction rail body are sequentially connected in a welded mode through the seamless welding technology, and the multi-stage speed reduction rail body is installed on the bottom face through a supporting and fixing device. A material inlet is formed in the end, away from the second-stage speed reduction rail, of the first-stage speed reduction rail, the material inlet is in mechanical butt joint with a metal decorating machine discharging opening, and a plurality of reinforcing edges are installed at the bottom of the first-stage speed reduction rail and arranged in the material conveying direction of the first-stage speed reduction rail. The multi-stage speed reduction device not only can realize multi-stage speed reduction of the ironwork, but also can reduce the phenomenon that the surface of the ironwork is scratched.

This application discloses a vehicle underbody protection plate, its preparation method, and a vehicle. The vehicle underbody protection plate includes: a first skin, comprising a first fiber-reinforced resin composite material; a core material located on one side of the first skin, comprising a hollow fabric matrix and a modified resin filled in the hollow fabric matrix, the modified resin comprising hollow glass microspheres and a resin material, the hollow glass microspheres being dispersed in the resin material; and a second skin located on the side of the core material away from the first skin, comprising a second fiber-reinforced resin composite material. The core material is a lightweight material, which can effectively reduce the weight of the underbody protection plate and achieve the purpose of lightweighting; the hollow glass microspheres have typical microsphere breakage and compression compaction stages under external ballast, which can provide excellent energy absorption effect and compressive strength; the use of hollow fabric to toughen and reinforce the core material can at least partially prevent the core material from breaking and losing its energy absorption protection capability when subjected to external impact.

The application provides a water-based epoxy resin modified emulsified asphalt micro-surfacing mixture design method, which comprises the following steps: (1) taking mineral aggregate; (2) taking cationic medium slow cracking emulsified asphalt binder, and the solid content is greater than 60%; (3) preparing a water-based epoxy resin system; (4) determining the estimated oil-stone ratio of the emulsified asphalt binder used, mixing the water-based epoxy resin and the curing agent into the emulsified asphalt uniformly, determining the water amount and the cement amount of the admixture, adjusting the binder amount with the estimated oil-stone ratio as the medium value, and preparing wet wheel abrasion test standard test pieces with different oil-stone ratios, (5) forming the oil-stone ratio-wet wheel abrasion value and the oil-stone ratio-structure depth coordinate graph, and then obtaining the optimal oil-stone ratio through a balance design formula; (6) detecting whether the road performance of the micro-surfacing mixture under the optimal oil-stone ratio is qualified. The design method is simple to operate, comprehensively considers the performance characteristics of the micro-surfacing mixture, and has good applicability to the water-based epoxy emulsified asphalt micro-surfacing system.

The invention provides a high-hydrophobicity self-cleaning insulating corrosion-resistant cable sheath material as well as a preparation method and application thereof. The sheath material is mainly composed of EVA resin, PVDF modified hollow glass beads, glass fibers, an antioxidant, a lubricant and a light stabilizer. The PVDF resin is combined with the hollow glass beads, and the PVDF resin is driven to migrate to the surface of the material by utilizing the floating characteristic of the hollow glass beads in the processing process, so that the hydrophobicity, the self-cleaning property, the corrosion resistance and the insulating property of the cable sheath material are remarkably improved. Experimental results show that the tensile strength and the elongation at break of the sheath material are both at a relatively high level, the water contact angle is greater than 130 degrees, the volume resistivity exceeds 2.0 * 10 < 13 > omega.m, and the sheath material has excellent brine resistance and acid and alkali corrosion resistance and can meet strict requirements in the ocean engineering fields such as oil drilling platforms, offshore wind power plants and submarine communication cables.