50 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 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.

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 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 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 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 discloses a construction method of a quick repair material prepared from concrete waste in an expansion joint anchoring area, which comprises the following steps: firstly, preparing powder and crushing concrete chiseled off on site by using a crusher to obtain fine waste with the particle size of less than or equal to 2.36 mm and 2.36 mlt; the particle size of the coarse waste is smaller than or equal to 25 mm; uniformly mixing the powder with a certain amount of fine waste and water-borne epoxy resin modified graphene oxide, adding a curing agent and water, uniformly mixing, and pouring into the chiseled working surface of the anchoring area of the expansion joint to fill the hole; uniformly mixing the powder with a certain amount of coarse waste and waterborne epoxy resin modified graphene oxide, adding a curing agent, the powder and water, uniformly mixing, pouring into a working surface, vibrating, finishing the surface, and performing microwave curing for 40-60 minutes. According to the construction method of the rapid repairing material, the plugging material and the concrete in the anchoring area are formed respectively, so that the cracking resistance and the impact resistance of the rapid repairing material are improved, the interface bonding strength and toughness of the rapid repairing material and the anchoring area of the bridge expansion joint to be repaired are improved, and the maintenance time is short.

The invention relates to the technical field of resin, in particular to a low-dielectric-constant modified PBT composite material and a preparation method thereof. The low-dielectric constant modified PBT composite material is prepared from the following components: PBT resin, modified PBT resin, PET resin, PC resin, copolymerized PP resin, composite glass fibers, a flame retardant, a flexibilizer, a basic magnesium sulfate whisker silane coupling agent, an antioxidant and propylene-octylene copolymer grafted glycidyl methacrylate. The modified PBT resin is prepared through swelling treatment and carboxyl-terminated butyronitrile glue solution grafting modification, through the synergistic effect of the modified PBT resin and the composite glass fiber, the dielectric constant at the frequency of 1 MHz is as low as 2.30-2.48, the dielectric loss is only 0.0020-0.0032, and the composite requirements for low dielectric, high mechanics, high flame retardance and high temperature resistance in multiple fields such as automobiles, electronic appliances and aerospace can be met.

This invention belongs to the field of polymer materials and discloses a high-temperature resistant self-lubricating PA6T material and its preparation method. The high-temperature resistant self-lubricating PA6T material includes the following raw materials: PA6T resin, modified glass fiber, modified polytetrafluoroethylene micro powder, composite filler, compatibilizer, antioxidant, and lubricant. The modified polytetrafluoroethylene micro powder is a copolymer layer of composite nano-ceramic hybrids in situ coated with polytetrafluoroethylene microspheres after surface modification by a silane coupling agent. The composite filler is a self-assembled porous aluminum nitride and three-dimensional porous graphene modified by a bisphenol A type epoxy resin modified silane coupling agent, and finally grafted with PA6T molecular chains by in-situ melt polymerization. This invention uses PA6T as the base resin and adds modified polytetrafluoroethylene micro powder and composite filler. The two complement each other functionally and synergistically at the interface, which not only solves the traditional pain points of poor friction and wear and high brittleness of PA6T, but also improves the high-temperature resistance, thermal conductivity and dimensional stability of the material.

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 application discloses a modified protective material for marine concrete and a preparation method and application thereof, wherein the A component of the material is composed of a modified epoxy resin matrix, a toughening compatilizer and an auxiliary agent, the B component is composed of a functional compound curing agent, a silane modified composite corrosion resistant filler and a curing accelerator, the modified epoxy resin matrix is a bisphenol A epoxy resin modified by an amino-terminated polyether, the functional compound curing agent is a compound of an amine curing agent and an organic silicon modified imidazole, and the silane modified composite corrosion resistant filler is a mixture of silane modified nano silicon dioxide, graphene and mica powder. Under the joint action of the raw material components, the modified protective material has the characteristics of high adhesion, high toughness and long-term corrosion resistance, and can be widely used in the protection of marine concrete as a novel corrosion resistant protective material with excellent performance, can ensure the stability of coating construction quality and protection effect, has high use value and good application prospect.

This invention relates to the field of sliding materials for seismic isolation bearings, specifically disclosing a high thermal conductivity and wear-resistant composite material for building seismic isolation bearings and its preparation method. The high thermal conductivity and wear-resistant composite material for building seismic isolation bearings comprises the following raw material components: aliphatic polyketone, high-styrene resin modified methyl vinyl silicone rubber, silicone resin, polytetrafluoroethylene, thermally conductive components, lubricant, compatibilizer, light stabilizer, antioxidant, and coupling agent; the thermally conductive components include the following raw material components: flake natural graphite, hexagonal boron nitride, and expanded graphite. The high thermal conductivity and wear-resistant composite material for building seismic isolation bearings of this invention exhibits high strength, stable energy dissipation performance, excellent thermal conductivity and heat dissipation capacity, and long-term wear resistance and durability under high temperature, high pressure, large displacement, and multi-cycle comprehensive working conditions, thereby effectively overcoming the problems of softening and heating, severe wear, and performance degradation of existing bridge seismic bearing materials during strong earthquakes and long-term service.

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.