2329 results about "Solid content" patented technology

A method for monitoring solids content during drilling operations may include collecting real-time cuttings image data at a surface outlet of a natural resource well, determining cuttings characteristics data based on the real-time cuttings image data, collecting real-time surface mud data, and determining real-time, one-dimensional downhole cuttings information based on a multi-dimensional computational fluid dynamics model. The cuttings characteristics data may include cuttings size distribution, cuttings volume, cuttings velocity, cuttings orientation, cuttings area, or combinations thereof. The real-time surface mud data may include inlet mud parameters, drilling operational parameters, well planning parameters, or combinations thereof. Determining real-time, one-dimensional downhole cuttings information may include converting the multi-dimensional computational fluid dynamics model into a one-dimensional continuous cuttings transport model and computing an integrated one-dimensional continuous cuttings transport model. Inputs to the integrated one-dimensional continuous cuttings transport model may include the cuttings characteristics data and the real-time surface mud data.

The invention discloses a single-ion conductor polymer, a ternary composite binder solution, high-solid-content sulfide electrolyte slurry and a wet film forming method and application thereof, and belongs to the technical field of all-solid-state lithium batteries. The key technical problems in the wet membrane preparation of the sulfide electrolyte are solved through an innovative solvent-binder synergistic system, and the method specifically comprises the steps that 1, through the synergistic effect of a non-polar solvent and a weak-polar solvent, low-viscosity coating of high-solid-content slurry is achieved while the chemical stability of the sulfide electrolyte is guaranteed; 2, a poly (lithium styrenesulfonate-butyl acrylate), styrene butadiene rubber and polyisobutene ternary composite binder is designed, a lithium ion transmission channel is provided through a lithium sulfonate group, a benzene ring structure in the styrene butadiene rubber enhances the mechanical strength, long-chain alkane in the polyisobutene improves the interface adhesive force, and the mechanical strength is improved; the three components cooperate to realize balance of mechanical and electrochemical properties of the electrolyte membrane, so that the prepared electrolyte membrane has low porosity, high ionic conductivity and mechanical strength.

The invention discloses a PHA nano aqueous suspension as well as a preparation method and application thereof, and belongs to the field of high polymer materials and processing and application thereof. The suspension takes PHA resin as a dispersion phase and water as a continuous phase, the total solid content is 23-65wt%, the PHA resin accounts for 80-98.5 wt% of the total solid, and the assistant accounts for 1.5-20wt% of the total solid. The average particle size of PHA particles is 30-140 nm, D90 is smaller than or equal to 150 nm, the polydispersity index PDI is smaller than 0.3, and when the pH is 6.5-7.5, the absolute value of Zeta potential is larger than 30 mV. The preparation method comprises the following steps: pretreating the PHA raw material, preliminarily dispersing in a water phase under the action of the dispersion stabilizing aid, and carrying out high-energy homogenization treatment. The obtained suspension is stable in storage, has excellent barrier property and mechanical property after film formation, and is suitable for preparing biodegradable food packaging barrier coatings, water-based environment-friendly coatings and water-based adhesives.

The invention provides a diaphragm adhesive composition, a diaphragm and a lithium ion battery, the solid content of the diaphragm adhesive composition is 10-40wt%, and when the solid content of the diaphragm adhesive composition is diluted to 5wt%, the surface tension of a diluent is not less than 28mN / m; the diaphragm adhesive composition comprises polymer particles A and a polymer adhesive B, wherein the solid mass ratio of the polymer particles A to the polymer adhesive B is 100: (3-30); the particle size of the polymer particles A is 0.2-10 [mu] m, and the glass transition temperature of the polymer particles A is 30-90 DEG C; and the polymer adhesive B is a water-based emulsion type adhesive, the particle size of polymer particles contained in the polymer adhesive B is 0.1-1 mu m, and the glass transition temperature of the polymer adhesive B is-50-20 DEG C. The diaphragm adhesive composition disclosed by the invention is not easy to spread on a base material, can prevent an adhesive glue solution from being quickly diffused on the surface of a diaphragm, forms controllable, uniform-size and uniformly-distributed adhesive coating points on the surface of the base material, and has small influence on the air permeability of the diaphragm.

The invention discloses a prismatic TRISO particle dispersion additive fuel element as well as a preparation method and application thereof, and relates to the technical field of nuclear fuel. The method comprises the following steps: preparing the SiC shell by adopting a binder injection molding process or a photocuring molding process; the SiC shell is subjected to degreasing treatment; carrying out chemical vapor infiltration pretreatment on the SiC shell subjected to degreasing treatment; the pretreated SiC shell is filled with simulated TRISO particles and SiC matrix powder, high-solid-content SiC slurry is adopted for packaging, then an enhanced chemical vapor infiltration method is adopted for densifying the dried additive SiC element, and the prismatic TRISO particle dispersion additive fuel element is obtained. The TRISO fuel particles with high inherent safety and the nuclear-grade SiC ceramic material with excellent high-temperature resistance and irradiation resistance are combined, the additive manufacturing process is matched, the design flexibility and expansibility are improved, and the TRISO fuel particles have large application potential in the high-temperature gas cooled reactor.

The invention relates to a preparation method of a porous polyimide low-dielectric material. The method comprises the following specific steps: preparing a polyamide acid solution with a certain solid content under an ice-water bath condition; after the solution is recovered to normal temperature, adding a certain amount of sodium alginate, and after the solution is homogenized, adding a catalyst and a dehydrating agent for chemical imidization; the method comprises the following steps: coating a substrate medium with a solution after a certain time of reaction, standing in air for a certain time, sequentially and respectively placing the substrate medium in ethanol and a hot water bath for replacement for a certain time, airing at normal temperature, and transferring to a high-temperature oven for gradient cyclization to realize complete imidization. According to the method, conditions are mild and easy to control, and the low-dielectric film material which is flat in appearance and ordered in structure is prepared only through a normal-pressure drying method.

The invention relates to a bionic Al / SiC composite material with a three-dimensional network multilevel structure and a preparation method of the bionic Al / SiC composite material, and belongs to the technical field of new material preparation. According to the method, through the collaborative process of freeze casting and organic foam impregnation, the problem that in the prior art, the multilevel aperture and the complex network structure are difficult to cooperatively regulate and control is solved. The preparation method comprises the following specific steps: preparing tert-butyl alcohol-based ceramic slurry, impregnating the slurry with polyurethane foam, performing freeze casting molding, removing a solvent through freeze drying, performing high-temperature sintering to form SiC ceramic with a three-dimensional reticular hierarchical pore structure, and finally preparing the Al / SiC composite material through a vacuum pressure infiltration process. Wherein a sintering aid is added into the slurry, so that the sintering temperature is obviously reduced; the specification (40-60 ppi) of polyurethane foam, the solid phase content (20-30 vol.%) of slurry, the freezing speed (0-90 DEG C) and the content (5-20 wt.%) of a sintering aid are regulated and controlled. And the cross-scale collaborative design of micron-scale directional holes and millimeter-scale mesh holes is realized. The Al / SiC composite material prepared by the invention has the advantages that the compressive strength, fracture toughness and other properties are obviously higher than those of the traditional single-aperture porous ceramic, and the Al / SiC composite material is suitable for the fields of manufacturing and energy absorption of precise instruments, electronic packaging and optical devices.

The invention relates to the technical field of sewage treatment, in particular to an MABR hollow fiber composite membrane and a preparation method and application thereof.The preparation method comprises the following steps that raw materials, a reinforcing agent and a dispersing agent are put into a kneading machine to be kneaded for 1-2 hours, a modifying agent is put into the kneading machine, the mixture is heated to 80-120 DEG C and kneaded for 4 hours, and a modified material is obtained; the preparation method comprises the following steps: uniformly mixing a modified material, a catalyst, a cross-linking agent and a solution to prepare mixed slurry with the solid content of 5-40%, coating the slurry on the surface of a hollow fiber tube, and curing to obtain the MABR hollow fiber membrane, so that the mechanical strength of a basic raw material is improved through a reinforcing agent, the membrane is not easy to damage, and the service life of the membrane is prolonged. According to the present invention, the reinforcing agent and other auxiliary agents are uniformly dispersed in the basic raw material through the dispersant so as to reduce defects, the raw material end-capping group is modified through the modifier so as to provide the product with characteristics of aging resistance and good biocompatibility, and the reaction speed is changed during the molding process through the catalyst so as to form the stable membrane structure through the molding cross-linking of the cross-linking agent and the raw material;

The invention relates to the technical field of nano materials, and particularly discloses a preparation method of surface modified nano calcium carbonate for a battery diaphragm coating. According to the method, the technical paths of microemulsion confinement crystal form regulation and control, gradient surface modification and boehmite compounding and porosity regulation and control are fused, and the functional nano calcium carbonate adaptive to the battery diaphragm coating is prepared. According to the technical scheme, limestone is used as a raw material, after calcination and digestion, the particle size of nano calcium carbonate is controlled through microemulsion carbonization (a cyclohexane-span 80-n-butyl alcohol system); a silane coupling agent KH560-KH570 is adopted for gradient modification to introduce an electrophilic functional group, boehmite is compounded to form a composite coating, and the porosity is regulated and controlled by adjusting the solid content in coating slurry and the coating speed. The method is stable in process and high in compatibility, and meets the requirements of diaphragm coatings of lithium ion batteries and solid-state batteries.

To provide an aqueous coating composition capable of giving a coating film which has an excellent appearance and suppresses yellowing while securing water resistance.SOLUTION: The aqueous coating composition contains a hydroxyl group-containing acrylic resin emulsion (A), a core-shell type acrylic resin dispersion (B), and a hydrophobic melamine resin (C). The core-shell type acrylic resin dispersion (B) has a C4-24 branched hydrocarbon group in a core part and has a hydrophilic resin in a shell part. The solid content mass ratio (A:B) of the hydroxyl group-containing acrylic resin emulsion (A) to the core-shell type acrylic resin dispersion (B) is 30:70-90:10.SELECTED DRAWING: None

The invention provides high-bending-resistance injectable magnesium phosphate bone cement. The high-bending-resistance injectable magnesium phosphate bone cement is prepared from solid-phase powder, reinforcing filler and water, the solid-phase powder comprises the following components in parts by weight: 50-70 parts of magnesium phosphate salt and 30-50 parts of hydrogen phosphate, and the magnesium phosphate salt comprises trimagnesium phosphate; the reinforcing filler comprises a polyurethane modified epoxy resin emulsion; based on the polyurethane modified epoxy resin emulsion with the solid content of 30%-50%, the mass fractions of the solid phase powder, the reinforcing filler and the water in the bone cement are 66-70 wt%, 1-7 wt% and 23-33 wt% respectively. The high-bending-resistance injectable magnesium phosphate bone cement is high in bending strength and suitable for bone defect areas bearing multidirectional loads.

The invention belongs to the field of nano material preparation, and particularly relates to a preparation method of water-soluble heme, which adopts an anti-solvent precipitation method, accurately controls an anti-solvent precipitation process through an ultrasonic microreactor or a micromixer, and realizes continuous preparation of water-soluble heme with small size, high solid content and excellent stability. The particle size of the water-soluble heme obtained through the preparation method is 200 nm or below, the solid content in water can reach 200-500 mg / mL, and the water-soluble heme can be used as a health care product or a food additive.

The invention relates to the technical field of manufacturing of gum dipping labor protection appliances, in particular to waterborne polyurethane for labor protection gloves and a preparation method of the waterborne polyurethane. According to the waterborne polyurethane for the labor protection gloves, the solid content ranges from 45% to 50%, the viscosity is basically maintained between 56 mPa.s and 58 mPa.s, the average particle size of polyurethane in emulsion ranges from 300 nm to 500 nm, the potential of the emulsion ranges from-35 mV to-50 mV, the waterborne polyurethane has good dispersion stability and high solid content, and after being cured into an adhesive film, the waterborne polyurethane has high strength and good flexibility at the same time; the waterborne polyurethane working gloves obtained by dipping the waterborne polyurethane have excellent friction resistance, tear resistance and penetration resistance.

The invention relates to the technical field of H01M4 / 62, in particular to a dispersing and softening agent for lithium battery positive electrode slurry and a preparation method and application thereof.The dispersing and softening agent at least comprises, by mass, 10-90% of block comb-type copolymer and the balance polyurethane copolymer, and the dispersing and softening agent can be used for dispersing and softening lithium battery positive electrode slurry on the premise that the addition amount does not exceed 0.5%. And meanwhile, the problems that the dispersity is poor after the solid content is increased and the flexibility of the pole piece is poor in the thick coating and fast coating processes are solved.

The invention belongs to the technical field of solid-state batteries, and relates to a preparation method of sulfide all-solid-state battery positive electrode slurry. The preparation method comprises the following steps: (1) dividing a conductive adhesive into three parts, mixing the first part of conductive adhesive with a positive active material, and granulating; (2) adding a second part of conductive adhesive into the granulated slurry, and kneading; (3) adding sulfide electrolyte slurry into the kneaded slurry, and dispersing; and (4) adding a third part of conductive adhesive into the dispersed slurry, and dispersing again to obtain the positive electrode slurry, wherein based on the total mass of the conductive adhesive, the mass percent of the first part of conductive adhesive is 20-30%, the mass percent of the second part of conductive adhesive is 30-40%, and the mass percent of the third part of conductive adhesive is 40-50%. The sulfide all-solid-state battery positive electrode slurry prepared by the preparation method provided by the invention has obviously higher solid content, obviously lower fineness and better stability.

To provide an aqueous filler composition that forms a ground coating film provided with cracking resistance, without causing adverse effect on finishing properties of subsequent top coat paint, excellent in coating work, and less in concealment unevenness, even when a wool roller is used.SOLUTION: An aqueous filler composition used to form a ground coating film using a wool roller prior to applying a top coat paint, comprises an aqueous resin (A) with a glass transition temperature of 30°C or lower, carbon black paste (B), pigment (C), urethane associative thickener (D), and water, where the pigment volume concentration is in the range of 30 to 65%. The content of the urethane associative thickener (D) is 0.1 to 2.5 pts.mass in an effective component amount based on 100 pts.mass of the resin solid content in the aqueous filler composition, and the brightness of the coating film formed by the aqueous filler composition is in the range of 70 to 92.SELECTED DRAWING: None

The invention discloses a high-solid-content MIL-101 (Fe) / PIM-1 mixed matrix membrane and a preparation method thereof, and belongs to the technical field of gas separation membranes. The preparation method comprises the following steps: firstly, dissolving an iron source in a PIM-1 polymer solution to form a homogeneous membrane casting solution; forming the obtained membrane casting solution, and removing the solvent to obtain a PIM-1 / Fe (II) composite substrate containing Fe (III); then, the substrate is alternately immersed in a terephthalic acid methanol solution and a ferric salt methanol solution, and MIL-101 (Fe) is generated in the polymer matrix through in-situ limited crystallization by layer-by-layer limited crystallization. According to the method, the problem of interfacial compatibility between the MOF filler and the polymer matrix is effectively solved, and high loading capacity (up to 52.9 wt.%) of MIL-101 (Fe) is realized without agglomeration. Meanwhile, the membrane has excellent COplasticizing resistance and long-term operation stability, and has a wide application prospect in the fields of carbon capture and the like.

The invention discloses a preparation method of high-stability modified emulsified asphalt, and particularly relates to the technical field of asphalt materials, which comprises the following steps (by weight): S01, mixing 30-50 parts by weight of styrene-butadiene latex with the solid content of 45-60%, 10-25 parts by weight of acrylate copolymer emulsion with the glass transition temperature of-20-10 DEG C and 0.5-8 parts by weight of silane coupling agent to obtain a mixture A; a mixed emulsion is obtained; s02, adding 8-15 parts by weight of matrix asphalt, 2-8 parts by weight of a maleic anhydride grafted polypropylene compatilizer with the grafting rate of 1.0%-2.5% and a stabilizer into the mixed emulsion, and performing high-speed shearing at the rotating speed of 3000-5000 rpm for 20-40 min to obtain the modified polymer emulsion. According to the invention, the storage stability, the thermal stability and the interface bonding strength are improved.

The preparation method comprises the following steps: (1) weighing a sodium source, an iron source, a phosphorus source and a carbon source, quickly and uniformly mixing, and then pre-sintering at low temperature to obtain a precursor; wherein the low-temperature presintering comprises two stages, in the first stage, the temperature is increased to 60-150 DEG C and kept for 1-3 h, and in the second stage, the temperature is increased to 200-350 DEG C and kept for 1-8 h; and (2) adding a carbon source into the precursor to prepare slurry, sanding the slurry, carrying out centrifugal spray drying, and carrying out high-temperature sintering to obtain the ferric sodium pyrophosphate positive electrode material. The precursor of the high-solid-content slurry can be prepared, the problem that the solid content of the slurry is low in the grinding stage of the sodium ferric pyrophosphate positive electrode material prepared by a solid-phase method is effectively solved, the solid content of the slurry is increased, the yield of the precursor is increased, the production cost is reduced, and meanwhile, the product quality is improved. The prepared ferric sodium pyrophosphate positive electrode material has relatively high compaction density, capacity and other performances, and the performance of the product is improved.

The invention relates to a micro-nano mullite reinforced zirconium oxide inorganic fiber, the phase of the micro-nano mullite reinforced zirconium oxide inorganic fiber is composed of two phases of tetragonal zirconium oxide and mullite, the fiber diameter is 0.1-1.5 [mu] m, and crystal phase stability, microstructure stability and fiber flexibility are maintained at the temperature from room temperature to high temperature of 1400 DEG C. The preparation method comprises the following steps: taking acidic aluminum sol, silica sol, zirconium sol and yttrium salt as metal sources, taking a high-molecular polymer as a spinning auxiliary agent, obtaining micro-nano mullite reinforced zirconium oxide precursor fibers through an electrostatic spinning technology, and carrying out heat treatment on the precursor fibers to obtain the mullite reinforced zirconium oxide inorganic fibers. The invention has the advantages of wide raw material source, cheap raw materials, stable system, good spinnability, high solid content, simple preparation process and the like. The prepared inorganic fiber has good high-temperature stability and flexibility in a wide temperature range from room temperature to high temperature of 1400 DEG C, and has application prospects in the fields of aerospace vehicle flexible heat insulation felts, high-temperature crystal growing furnaces and other high-temperature flexible heat insulation and heat preservation.

The invention relates to the technical field of spraying treatment, and discloses a coating pulse atomization system which comprises a power part used for pressurizing and conveying a coating into a pipeline and maintaining the coating in the pipeline at a set pressure; the atomizing and spraying part is used for atomizing and spraying the coating in the pipeline and intermittently spraying the coating to the workpiece; and the coating heating part is arranged between the atomizing and spraying part and the power part and is used for heating the coating and keeping the temperature of the coating reaching the atomizing and spraying part at a set temperature. The high-solid-content coating can be atomized without using air, the atomization stroke is shortened, and the equipment size is reduced; when the high-solid-content coating is atomized, a solvent does not need to be used, zero VOC emission is achieved, a sprayed workpiece does not need to wait for solvent volatilization, and the drying time is shortened; in the atomization spraying process, the atomization dispersity is low, the coating utilization rate is increased, the spraying mode reduces the over-spraying phenomenon of the coating, and the time needed for spraying the coating on the workpiece is shortened.

The invention belongs to the field of binders, and particularly relates to a flame-retardant binder as well as a preparation method and application thereof. The preparation method of the flame-retardant binder comprises the following steps: uniformly stirring and mixing a biomass raw material and a solvent to obtain a biomass solution; uniformly stirring and mixing a cross-linking agent and the biomass solution to obtain a precursor solution with the solid content of 5-50wt%; and adjusting the pH value of the precursor solution to 3-5 to prepare the flame-retardant binder. According to the invention, the biomass raw material and the cross-linking agent are taken as raw materials, the construction of a cross-linked network is realized by taking pH as driving force, and the bio-based adhesive with the advantages of high adhesive property, high flame retardant property, recoverability, environment friendliness and the like is prepared by controlling the solid content of a precursor solution and the pH of a system; the method can be applied to preparation of products such as a multilayer plate composite material, a particle plate composite material, a coating composite material and a flame-retardant film, and has wide practical application.

The invention discloses a rapid solid content detection device which is characterized in that a mounting plate is fixedly arranged on an outer supporting shell, a telescopic rod is arranged on the mounting plate, a movable shaft barrel is arranged on the telescopic rod, and an extrusion plate is fixedly arranged at one end, far away from the telescopic rod, of the movable shaft barrel; the stirring mechanism is telescopically and rotatably arranged in the moving shaft barrel in a penetrating manner, and the driving assembly is arranged on the stirring mechanism and can drive the stirring mechanism to rotate; the first rack and the limiting block are slidably arranged on the mounting plate, and the limiting block can limit the position of the first rack; the driven mechanism is arranged on the stirring mechanism, the pushing mechanism is telescopically and fixedly arranged in the movable shaft barrel, and the first rack can drive the driven mechanism to rotate in one direction through rising of the movable shaft barrel, so that the pushing mechanism extends to extrude the stirring mechanism, and the stirring mechanism extends. According to the rapid solid content detection device, the stirring mechanism can be folded when the sewage is extruded, and the stirring mechanism extends out when the stirring mechanism is lifted, so that more sewage can be extruded.

This anticorrosive coating composition comprises a main agent (I) and a curing agent (II), wherein: the main agent (I) contains an epoxy resin (a); the epoxy resin (a) contains at least one of a bisphenol A epoxy resin (a-11) and a novolac epoxy resin (a-12) each having a weight average molecular weight of 6,000-12,000; the curing agent (II) contains a polyamine (b) and an alkylphenol (c); the polyamine (b) contains an alicyclic polyamine (b-1) having a cyclic aliphatic hydrocarbon group to which an amino group is bonded and contains a non-alicyclic polyamine (b-2) having no cyclic aliphatic hydrocarbon group to which an amino group is bonded; at least one of the main agent (I) and the curing agent (II) includes a vinyl-based defoaming agent (d) that has a constituent unit derived from at least one monomer selected from the group consisting of alkyl (meth)acrylates, alkyl vinyl ethers, and olefins and that has a number average molecular weight of 30,000-100,000 or 300,000-2,000,000; the content of the alicyclic polyamine (b-1) is 30%-80% by mass of the solid content of the curing agent (II); the content of the non-alicyclic polyamine (b-2) is 2%-45% by mass of the solid content of the curing agent (II); the content of the alkylphenol (c) is 5%-60% by mass of the solid content of the curing agent (II); and the content of the vinyl-based defoaming agent (d) is 0.005-3 parts by mass with respect to 100 parts by mass of the anticorrosive coating composition.

The invention provides positive conductive paste, a positive plate and a lithium ion battery. The positive electrode conductive paste comprises a solid and a solvent, and the positive electrode conductive paste comprises the following components in percentage by mass of the solid: 0.02%-0.05% of a single-walled carbon nanotube, 0.3%-0.7% of a carbon black conductive agent, 0.1%-0.5% of a softening agent, 0.1%-0.5% of a dispersing and anti-cracking integrated auxiliary agent, 96%-98% of a positive electrode active material and 1%-2.25% of a binder. By adding the single-walled carbon nanotubes, the conductivity and mechanical properties of the positive electrode conductive paste are improved. And the softening agent improves the rheological property of the positive electrode conductive paste and enhances the flexibility of the pole piece at the same time. And the dispersing and anti-cracking integrated auxiliary agent effectively disperses positive electrode active material particles and prevents coating and baking cracking. The high solid content achieved under the cooperative work of the three is beneficial to solving the problems of brittle failure, low coating rate, easy cracking of the pole piece and the like of the thick pole piece.

The invention belongs to the field of functional composite materials, and particularly relates to low-viscosity and high-dispersity aluminum oxide slurry and a preparation method thereof.The low-viscosity and high-dispersity aluminum oxide slurry is prepared from a newly-designed phosphono-carboxyl block copolymer and biquaternary ammonium salt polyether silane as composite modifiers; and efficient anchoring and stable dispersion of the surfaces of alumina particles are realized through the synergistic effect of molecular structures. The phosphono-carboxyl block copolymer is prepared through controllable polymerization and deprotection reaction, and strong chemical bonding is formed between a phosphono group and the surface of aluminum oxide; the biquaternary ammonium salt polyether silane is subjected to click chemical synthesis, and electrostatic adsorption of quaternary ammonium salt and the steric hindrance effect of a polyether chain are combined. When the slurry is prepared, the two modifiers are sequentially added into water, the aluminum oxide powder is added after the pH value is adjusted, finally, the isobutylene maleic anhydride copolymer and the defoaming agent are introduced, and the slurry is obtained through vacuum defoaming and filtering. The slurry prepared by the method has the characteristics of high solid content, low viscosity and good dispersion stability.

The invention provides a preparation method of a concrete pavement curing agent, and belongs to the technical field of concrete. The preparation method comprises the following steps: preparing a modified beta-cyclodextrin solution, preparing a polyurethane emulsion 1, preparing a polyurethane emulsion 2, and mixing. The mixing method comprises the following steps: adding potash water glass into deionized water, sequentially adding a water-based stabilizer, a polyurethane emulsion 1, a polyurethane emulsion 2 and decyl glucoside in a stirring state, and then transferring the mixture into an ultrasonic oscillator for ultrasonic dispersion for 25-35 minutes to obtain the concrete pavement curing agent. The effective water retention rate of the curing agent is 92-96%, the compressive strength ratio is 95-97% in 7d and 98-99% in 28d, the abrasion loss is 0.7-1.1 kg / m < 2 >, the solid content is 27-30%, and the drying time is 1.1-1.4 h.

The invention relates to the technical field of mesoporous materials, and discloses an ordered mesoporous phenolic resin sphere, an ordered mesoporous carbon sphere and a preparation method and application thereof. The ordered mesoporous phenolic resin sphere has a uniform spherical morphology and a highly ordered mesoporous structure, the particle size of the ordered mesoporous phenolic resin sphere is 40-2000nm, and the aperture of the ordered mesoporous phenolic resin sphere is 3-10nm; the solid content reaches 100g / L. The preparation method comprises the following steps: dissolving a surfactant in a composite solvent, and uniformly stirring to obtain a precursor solution; dissolving a phenolic precursor and formaldehyde in the precursor solution, and slowly adding a pore-enlarging agent to obtain a uniform emulsion; adding a catalyst into the emulsion to carry out polymerization reaction; and after the reaction, collecting a solid phase, and carrying out heat treatment in an inert atmosphere to obtain the ordered mesoporous phenolic resin spheres. The ordered mesoporous phenolic resin spheres and the ordered mesoporous carbon spheres have uniform spherical structures, highly ordered mesoporous structures and high solid content; the preparation method is simple in process, high in expansibility and beneficial to large-scale production.

An object of the present invention is to provide a coated paper that includes a coating layer containing poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) with few coating defects. As a solution, the present invention provides a coated paper including a coating layer containing poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) and an adhesive, on at least one side of a paper substrate. A solid content weight ratio of the poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) to the adhesive in the coating layer is 99.9 / 0.1 to 60.0 / 40.0.

The invention discloses an epoxy resin modified emulsified asphalt micro-surfacing mixture and a preparation method thereof.The preparation method comprises the steps that matrix asphalt is subjected to gradient heating to 75-90 DEG C, nano silicon dioxide is added, stirring and shearing are conducted, and activated matrix asphalt is obtained; preparing a water-borne epoxy resin emulsion with the solid content of 45-50%, and controlling the mass ratio of epoxy resin to an emulsifier to be (8-10): 1 to form a stable dispersion system with the particle size of less than or equal to 1 mu m; preheating the mineral aggregate, adding the activated matrix asphalt while stirring, and continuing stirring; adding the water-borne epoxy resin emulsion, and continuously stirring; adding a vinylamine curing agent, continuously stirring to ensure that the curing agent is uniformly dispersed and avoid partial incomplete reaction, finally adding cement and water, and continuously stirring to form a uniform micro-surfacing mixture. The pavement performance such as high-temperature stability, low-temperature crack resistance and the like is remarkably improved through raw material system upgrading and process innovation, VOCs emission is greatly reduced, and green and environment-friendly effects are achieved.