392 results about "Viscosity modifier" patented technology

The invention discloses an ultra-high performance concrete material for a bridge structure as well as a preparation method and application thereof, and particularly relates to the field of concrete. The ultrahigh-performance concrete material for the bridge structure is prepared from the following raw materials in parts by weight: 230 to 240 parts of cement, 140 to 150 parts of fly ash, 50 to 60 parts of silica fume, 250 to 260 parts of fine aggregate, 50 to 60 parts of coarse aggregate, 5 to 9 parts of water reducing agent, 80 to 90 parts of steel fiber, 0.03 to 0.08 part of modified graphene, 3 to 5 parts of expanding agent, 1 to 3 parts of viscosity modifier and 70 to 80 parts of water. According to the prepared ultrahigh-performance concrete material for the bridge structure, the viscosity of the ultrahigh-performance concrete is improved, the compressive strength, the breaking strength, the tensile strength and other properties of the ultrahigh-performance concrete are improved, and the application prospect of the ultrahigh-performance concrete material in the concrete for the bridge is expanded.

The invention relates to ceramic slurry, a ceramic substrate and a preparation method thereof, and belongs to the technical field of ceramic materials. The ceramic slurry provided by the invention comprises the following components in parts by weight: 85-90 parts of aluminum oxide powder, 6-15 parts of heat-conducting powder, 1-7 parts of a plasticizer, 3-9 parts of a sintering aid, 2-6 parts of a dispersing agent, 2-5 parts of a viscosity modifier and 10-15 parts of a solvent, the heat-conducting powder comprises aluminum nitride, zirconium oxide and beryllium oxide; the sintering aid is prepared from TiN, ZrO2 and CaC2. According to the invention, the heat-conducting powder and the sintering aid are added into the ceramic slurry, and are reasonably proportioned with other components, so that the high-heat-conductivity and high-strength ceramic substrate is obtained.

To provide a lustrous coating composition by which a coating film having excellent lustrous appearance and high millimeter wave transmittance can be formed.SOLUTION: A lustrous coating composition is provided, which contains (A) indium particles, (B) a surface conditioning agent, (C) a pigment dispersing agent, (D) a viscosity adjusting agent, and (E) water, and has a solid content of 0.1 to 15 mass%, wherein the surface conditioning agent (B) includes a silicone-based surface conditioning agent, and wherein the pigment dispersing agent (C) includes a compound containing a phosphate group.SELECTED DRAWING: None

A marker composition for application to a medical device or a surface is disclosed. The marker composition comprises a carrier composition including water, nonionic surfactant, organic solvent, and a neutral or anionic viscosity modifier. The marker composition further comprises a dyestuff. In some embodiments, the quantity of dyestuff present is such that at least some of the dyestuff is present as a dispersed solid phase. The dyestuff may be a naturally-derived dyestuff, such as spirulina extract (including phycocyanin). The invention extends to a carrier composition for a dyestuff.

The invention relates to the technical field of ink-jet printing, and discloses reactive dye ink-jet printing ink based on ionic association regulation and a printing method of the reactive dye ink-jet printing ink. According to the method, on the basis of a cationic compound with the relative molecular weight of 50-1000 in an ink system, the aggregate structure of the anionic surfactant is accurately induced to be controllably converted from a spherical structure to a wormlike or layered structure by virtue of the action of ionic bonds; under the action of not additionally adding a viscosity modifier, the rheological property and dynamic surface tension of reactive dye ink are accurately regulated and controlled, and the dynamic surface tension response rate is remarkably improved, so that the uniformity and stability of the morphology of ink droplets in inkjet printing are improved, the dynamic wetting behavior in the collision process of the ink droplets and a base material is effectively improved, and the printing quality is improved. And high-precision ink-jet printing of the reactive dye ink on the textile fabric is realized.

The invention belongs to the field of constructional engineering materials, and relates to uncovering self-compacting concrete as well as a preparation method and application thereof. The uncovering self-compacting concrete comprises a liquid material and a dry material; the liquid material contains a water reducing agent, a slump retaining agent, a thickening time control agent, a defoaming agent, a polymer emulsion, a beautifying agent, a viscosity reducer, water, and optional air entraining agent, stabilizer and preservative; the dry material contains glass powder, glass sand, cement, broken stone, gypsum, an expanding agent, gas-phase nano silicon dioxide toughened high-strength micro powder, modified sulfonated phenolic resin and a viscosity modifier. According to the uncovering self-compacting concrete disclosed by the invention, the problem of high bleeding rate caused when a polycarboxylic acid water reducer and a slump retaining agent are applied to production of the uncovering self-compacting concrete can be perfectly solved through synergistic cooperation of all the components, and meanwhile, the advantages of high transparency and strong scratch resistance caused by replacement of an admixture with a regenerated glass material are reserved; the strength of the uncovering self-compacting concrete is effectively reduced, the bleeding rate is reduced, and the setting time is prolonged.

The invention belongs to the field of building materials, and provides a polycarboxylate superplasticizer as well as a preparation method and application thereof. The preparation method of the polycarboxylic acid water reducer comprises the following steps: in the presence of a viscosity regulator, an initiator, a molecular weight regulator and water, carrying out polymerization reaction on comonomers including an unsaturated macromonomer, an unsaturated monomer I and an unsaturated esterification product to form polycarboxylic acid; wherein the unsaturated esterification product is a reaction product of an unsaturated monomer II and hydroxyl polycarboxylic acid; the unsaturated monomer I is at least one of unsaturated carboxylic acid, unsaturated carboxylate and unsaturated carboxylic acid anhydride, the unsaturated monomer II is unsaturated carboxylic acid and / or unsaturated carboxylic acid anhydride, and the viscosity modifier is trivalent cation salt. The preparation method provided by the invention can be used for preparing the polycarboxylic acid water reducer with high solid content and low viscosity.

The invention discloses a water-based paint of polydopamine modified acrylic resin and a preparation process of the water-based paint, and belongs to the technical field of water-based paint preparation. The water-based paint of the polydopamine modified acrylic resin is prepared from the following components in parts by weight: 30 to 40 parts of a mixed solvent, 1 to 5 parts of modified polydopamine, 12 to 28 parts of a modified viscosity agent, 15 to 25 parts of an acrylic monomer, 0.2 to 1 part of an initiator, 0.8 to 1 part of an emulsifier, 1 to 5 parts of a pH regulator and 60 to 70 parts of deionized water. The water-based paint prepared by the method has excellent adhesion, stability and mechanical properties.

The invention relates to a drilling fluid lubricating additive and a preparation method and application thereof.The lubricating additive comprises a lubricating stabilizer, a viscosity modifier, a dispersing agent and an antioxidant, and the lubricating stabilizer is selected from one or more of a modifier of vegetable oil and a modifier of fatty acid; the viscosity modifier is selected from one or more of vegetable wax; and the dispersant is selected from a nonionic surfactant with an HLB value of 13-18. The lubricating additive is prepared by compounding the lubricating stabilizer, the viscosity modifier, the dispersing agent and the antioxidant, and after the lubricating additive is added into the lubricant, the oxidation stability of the lubricant in a high-temperature and high-salt system can be remarkably improved, the problem of reaction precipitates in the aging process is solved, the lubricating effect of the lubricant is improved, and the service life of the lubricant is prolonged. Particularly, the lubricating effect under a high-temperature condition is achieved; the lubricating additive disclosed by the invention is good in stability, excellent in compatibility and very convenient to use.

The invention discloses an underwater cement-based double-liquid grouting material as well as a preparation method and application thereof. The grouting material is prepared by mixing a component A and a component B according to a mass ratio of 1: 1, the component A comprises the following raw materials: Portland cement, an admixture, a water reducing agent, a viscosity modifier, a composite flocculant, a composite thickening time control agent, a plastic expanding agent and a defoaming agent; the component B is prepared from the following raw materials in parts by mass: sulphoaluminate cement, an admixture, a water reducing agent, a viscosity modifier, a compound flocculating agent, an underground water-resistant multi-ion coupling corrosion agent, a compound thickening time control agent and a defoaming agent. The material provided by the invention has the advantages of good fluidity, good non-separability in water, strong dynamic water impact resistance, rapid hardening, high strength, high bonding strength, good corrosion resistance and the like, and is suitable for grouting and leaking stoppage of water spraying and gushing in the fields of coal mines and the like, and repairing and reinforcing of underwater concrete structures of projects such as hydraulic facilities, ocean engineering, bridges, tunnels and the like.

To provide an environmentally friendly fire retardant thermal insulation paint, excellent in adhesiveness of a coating, difficult to fall off, and having relatively high fire retardancy, thermal insulation and crack resistance and a producing method thereof.SOLUTION: A fire-retardant thermal insulation paint is produced from raw materials composed, by weight percentage, of 8 to 15% styrene-acrylic emulsion, 10 to 18% adhesion promoter, 10 to 20% thermal insulation agent, 20 to 30% fire retardant, 2 to 5% wetting dispersant, 3 to 6% viscosity modifier, 4 to 9% other additives, and the remainder water. The producing method is as follows: In step S1, the viscosity modifier and water are mixed to prepare a mixed solution; in step S2, the adhesion promoter and wetting dispersant are mixed with the mixed solution to prepare a dispersion; in step S3, the fire retardant is mixed with the dispersion to prepare a flame-retardant dispersion; and in step S4, the styrene-acrylic emulsion, thermal insulation agent, and other additives are mixed with the fire-retardant dispersion.SELECTED DRAWING: None

The invention relates to the technical field of tailing concrete poles, in particular to a prestressed tailing concrete pole and a manufacturing method thereof, and the prestressed tailing concrete pole comprises the following components in parts by mass: 550-600 parts of modified iron tailings, 180-200 parts of a prestressed modifier, 500-600 parts of slag, 30-45 parts of silica fume, 180-200 parts of fly ash, 6-8 parts of a polycarboxylate superplasticizer, 5-10 parts of a viscosity modifier and 5-10 parts of an auxiliary enhancer. Through the synergistic effect of the prestress modifier, the viscosity modifier and the modified iron tailings, bleeding and segregation of the high-volume tailing concrete in the vibrating process are prevented, the homogeneity of the material is ensured, the formed electric pole has extremely high internal compactness and a smooth surface, and therefore the freeze-thaw resistance and durability of the electric pole are greatly improved. The modified iron tailings are used for replacing part of traditional cementing materials and aggregates, so that the production cost is remarkably reduced, extremely high additional value is given to industrial solid wastes, the problems of environmental risk and land occupation caused by stockpiling of the industrial solid wastes are solved, and the national green development strategy is met.

The invention relates to the technical field of building materials, and particularly discloses high-strength premixed pervious concrete for a surface layer and a preparation method of the high-strength premixed pervious concrete. The invention relates to high-strength premixed pervious concrete for a surface layer. The concrete comprises the following components in parts by weight: 220 to 300 parts of cement, 1570 to 1720 parts of double-graded broken stone, 85 to 120 parts of water, 50 to 100 parts of mineral powder, 18 to 35 parts of anhydrite, 4 to 10 parts of soluble sulfate, 0 to 50 parts of silica fume, 0 to 50 parts of fly ash of 1000 meshes, 20 to 35 parts of quartz stone fine sand of 80 to 120 meshes, 1 to 2.5 parts of a composite water reducing agent, 0.4 to 2.4 parts of a viscosity modifier, 6 to 10 parts of wollastonite fiber powder and 0.4 to 1 part of a defoaming agent. The composite water reducing agent comprises an ether polycarboxylic acid water reducing agent and an ester polycarboxylic acid water reducing agent. The composition and proportion of the concrete are designed and adjusted, so that the concrete has a good construction effect under the premixing condition.

The invention is suitable for the technical field of detergents, and provides a solid detergent tablet and a preparation method and a using method thereof.The solid detergent tablet comprises a base material and a viscosity modifier, and the viscosity modifier comprises at least one or combination of cellulose ether and inverse emulsion. By adding the viscosity modifier, the viscosity of the finally obtained washing liquid can be adjusted, and the use requirements of consumers are met; the sheet is obtained after drying, then the viscosity modifier powder particles are added, on one hand, the process difficulty is not increased, and on the other hand, the viscosity modifier is added, so that the product becomes thicker after being dissolved, and the customer experience feeling is better.

The invention discloses a furyl polyamide lithium battery diaphragm and a preparation method thereof, and belongs to the technical field of lithium battery diaphragms.The preparation method of the diaphragm comprises the following steps that S1, furyl polyamide, polyvinylidene fluoride and modified inorganic filler are added into a solvent and stirred and mixed, and a mixed solution is obtained; s2, adding a viscosity modifier into the mixed solution, and stirring and mixing to obtain coating slurry; s3, coating one side of a base membrane with the coating slurry, and performing vacuum drying to obtain the furyl polyamide lithium battery diaphragm, the coating slurry is prepared from the following raw materials in parts by weight: 15 to 30 parts of polyvinylidene fluoride, 25 to 50 parts of furyl polyamide, 10 to 30 parts of modified inorganic filler, 5 to 10 parts of viscosity modifier and 100 parts of solvent; the lithium battery diaphragm prepared from the coating slurry not only has excellent heat resistance, but also has good wettability, the cycle and power performance of the battery can be effectively improved, and the safety performance such as thermal runaway of the battery is improved.

The invention discloses self-compacting concrete and a preparation method thereof, and belongs to the technical field of concrete.The self-compacting concrete is prepared from, by mass, 310-320 parts of cement, 75-85 parts of fly ash, 100-110 parts of mineral powder, 830-850 parts of machine-made sand, 770-790 parts of milling material coarse aggregate, 35-40 parts of steel fiber, 8-12 parts of rubber fiber, 25-30 parts of viscosity modifier, 175-180 parts of water and 7.5-8 parts of polycarboxylic acid type water reducer. According to the self-compacting concrete and the preparation method thereof, the coarse aggregate is prepared by virtue of the rubber fibers, the steel fibers, the viscosity modifier, the machine-made sand and the milling material, so that the problems that the existing self-compacting concrete is insufficient in impact resistance, the rubber component easily floats upwards, and greenization and high performance are difficult to consider at the same time are solved.

Marker composition comprising water, 1-10 wt.% non-ionic surfactant selected from alkyl polyglucosides, alcohol ethoxylates and alcohol ethoxylate propoxylates, or mixtures thereof, 1-5% organic solve

The invention belongs to the field of daily chemicals, and particularly relates to a body cleaning composition containing folium artemisiae argyi extract and a preparation method of the body cleaning composition. 14%-20% of a surfactant; 0.5-5% of a skin conditioner; 0.01%-0.1% of a metal chelating agent; 0.01%-1.2% of a preservative; 0.01%-1% of a pH regulator; 1 to 1.5 percent of flavoring agent; 0.01%-1% of a viscosity modifier; and the balance of deionized water. The plant functional composition comprises a folium artemisiae argyi extract and a rosa canina fruit extract. The folium artemisiae argyi extract and the rosa canina fruit extract in the composition can achieve a synergistic effect, free radicals can be effectively removed, release of cell factors and inflammatory mediators can be inhibited, and the composition has anti-inflammatory and soothing effects, can relieve uncomfortable symptoms such as skin redness and itching and has a certain whitening effect.

The invention discloses a lithium titanate battery, and relates to the technical field of batteries. The battery comprises a positive electrode, a negative electrode, an electrolyte and a diaphragm, and an addition product synthesized by dimethyl fumarate and benzidine according to a specific molar ratio is added into the electrolyte as a viscosity modifier, so that the viscosity increasing trend of the electrolyte at a low temperature is effectively reduced, and the migration rate of lithium ions is improved. And the electrolyte also comprises a lithium salt, an organic solvent and an auxiliary additive, so that the low-temperature performance and the cycling stability of the battery are favorably optimized. A positive active material is one or more of lithium iron phosphate, lithium manganate, lithium cobalt oxide or nickel manganese cobalt ternary materials, a negative active material is lithium titanate, and additives such as lithium nitrate and fluoroethylene carbonate are further combined, so that the capacity retention ratio and the charge-discharge efficiency of the battery in an extreme low-temperature environment of-40 DEG C are remarkably improved. The lithium titanate battery provided by the invention has excellent low-temperature adaptability, safety and long cycle life, and is applicable to power batteries and energy storage systems in alpine regions.

The invention provides a hot melt adhesive and a preparation method thereof, and relates to the technical field of adhesives. According to the hot melt adhesive, amorphous polyolefin (APAO) is used as a main body, ethylene-vinyl acetate copolymer (EVA) is added as a compatilizer, and Fischer-Tropsch wax is used as a viscosity modifier. The preparation method comprises the following steps: firstly synthesizing a dopamine functional polymer, and then carrying out melt blending on the dopamine functional polymer, APAO, EVA, tackifying resin and other components so as to stably introduce a catechol group into a hot melt adhesive system. When the hot melt adhesive is bonded with a metal surface, the catechol group can form a firm coordinate bond with metal ions, so that the adhesive force is greatly improved. The product provided by the invention has high adhesive force, excellent flexibility, good compatibility and construction performance, and is suitable for bonding and sealing metal materials.

Generally speaking, this invention relates to hierarchical composites or delivery systems that are used to improve the performance of sealants, coatings, composites, adhesives, and other polymeric products. Hierarchical composites are materials that combine multiple types of structures at different scales to achieve enhanced properties and performance in such compositions. Expressly, but not limited to, the hierarchal composites carrying layers filled with, or otherwise, of nanomaterials, dyes, explosives, catalysts, metals, viscosity modifiers, thickeners, rheology modifiers, toughening agents, and like structures for the benefit of improved physical, chemical, electrical, conductive, color, rheological or other like properties minimizing or reducing for example, the need for more significant amounts of said materials.

The present invention relates to a bridge surface waterproofing method having excellent waterproofness and constructability. The present invention provides a bridge surface waterproofing method comprising the steps of: evenly preparing the surface of a bridge surface; forming a primer layer on the surface of the bridge surface; forming a waterproofing layer that is from 2 mm to 4 mm by applying a bridge surface waterproofing agent composition onto the primer layer so that the waterproofing layer is inclined in a specific direction of the bridge surface; and forming an asphalt layer on the waterproofing layer, wherein the bridge surface waterproofing agent composition comprises 40 to 60 wt% of asphalt, 5 to 10 wt% of styrene butadiene styrene, 5 to 10 wt% of ethylene glycol dimethacrylate, 3 to 5 wt% of octamethylcyclotetrasiloxane, 5 to 10 wt% of silica particles having an average particle diameter of 200 to 400 nm, 5 to 10 wt% of silica particles having an average particle diameter of 700 to 1000 nm, 3 to 8 wt% of methyl methacrylate, 1 to 3 wt% of 4-hydroxy-3-methoxybenzoic acid, 5 to 10 wt% of a fiber reinforcing material, 1 to 3 wt% of a dispersant, 1 to 3 wt% of a viscosity modifier, and 1 to 3 wt% of a tackifier.

The present disclosure relates to a rubber composition and a method of preparing the same, the rubber composition comprising a viscosity modifier and a modified polymer having a structure in which a molecular weight regulator is coupled to at least one of both ends of an at least partially hydrogenated or non-hydrogenated petroleum resin. The rubber composition according to the present disclosure has improved processability and thus may replace process oil, and may markedly improve gas impermeability.

The application discloses a high-viscosity recycled asphalt mortar based on oil-rich RAP fine materials and a preparation method thereof, and belongs to the technical field of highway engineering materials. The high-viscosity recycled asphalt mortar comprises the following components: oil-rich RAP fine materials, base asphalt, a high-viscosity modifier, a recycling agent and a dissolving agent. The high-viscosity modifier comprises the following components: waste tire rubber powder grafted with GMA (glycidyl methacrylate), BMI (bismaleimide), an adhesive, isooctanol polyoxyethylene ether and sulfur. The waste tire rubber powder grafted with GMA can improve the interfacial bonding strength of the oil-rich RAP fine materials and the base asphalt, thereby improving the water damage resistance of the recycled asphalt mixture. The BMI forms an interpenetrating structure (crosslinking network) among the rubber powder, the oil-rich RAP fine materials and the base asphalt, thereby improving the crack resistance of the recycled asphalt mixture.

The invention relates to an anti-oxidation ablation-resistant chopped oxide fiber preform and a forming preparation method thereof, and belongs to the technical field of thermal insulation materials. The forming preparation method of the antioxidant ablation-resistant chopped oxide fiber preform comprises the following steps: mixing chopped oxide fibers, a multi-element ceramic component, a binder, an adsorbent, a water-soluble viscosity modifier and water, heating and stirring to obtain slurry; carrying out alcohol washing and filter pressing on the slurry to obtain a wet blank; and drying, curing and carbonizing the wet blank to obtain the antioxidant ablation-resistant chopped oxide fiber preform. According to the forming preparation method of the antioxidant ablation-resistant chopped oxide fiber preform, the density difference of raw materials can be overcome, and medium-density ceramic particles and low-density hollow ceramic microspheres are uniformly introduced into the high-density chopped oxide fiber preform; the light anti-oxidation ablation-resistant chopped oxide fiber preform with excellent performance is obtained.

The application discloses an electrolyte-resistant double-sided adhesive tape with an acrylic ultrathin substrate, which comprises, in sequence, a pressure-sensitive adhesive layer, a substrate layer and a hot melt adhesive layer; the substrate layer has a thickness of 0.2-1 microns; the pressure-sensitive adhesive layer has a thickness of 3.5-6.5 microns and comprises an alpha-olefin polymer, a modified polyolefin, a styrene block copolymer, a petroleum resin and a viscosity regulator; and the hot melt adhesive layer has a thickness of 3.5-6.5 microns and comprises an alpha-olefin polymer, a modified polyolefin, a styrene block copolymer and a petroleum resin. The application further provides a preparation method of the electrolyte-resistant double-sided multilayer adhesive tape with the ultrathin substrate, which comprises, in sequence, hot melt adhesive layer coating, substrate layer coating and pressure-sensitive adhesive layer coating. The multilayer adhesive tape has a relatively thin overall thickness, saves space for a battery and improves the energy density of the battery, has excellent bonding performance, electrolyte resistance and flexibility, can improve the drop resistance of the battery and ensures long-term safe use of the battery.

An object to be solved by the present invention is to provide a multilayer coating film forming method by which a multilayer coating film having reduced nonuniformity and exhibiting excellent luster and high flip-flop properties can be formed. The present invention provides a multilayer coating film forming method characterized by including: applying an aqueous first colored paint (X) containing a color pigment (x1) and an effect pigment (x2) on an object to be coated to form a first colored coating film; applying an aqueous second colored paint (Y) containing a viscosity modifier (y1), a color pigment (y2), and an effect pigment (y3) to form a second colored coating film; applying a clear paint (Z) to form a clear coating film; and curing by heating, wherein a solid content of the aqueous second colored paint (Y) is in a range of 0.1 to 6 mass %, an average value of light transmittance of the second colored coating film is 1% or lower, and a difference |R(X)−R(S)| between an average value of light reflectance of the first colored coating film and an average value of light reflectance of the multilayer coating film is 5% or lower.

This invention relates to a microbial mineralization composite material for inkjet 3D printing and its preparation method. The composite material comprises powder materials and a binder. The powder materials, by weight, include: 70-85 parts magnesium phosphate cement powder, 10-25 parts fine aggregate, 0.5-3 parts a porous protective carrier loaded with urease-producing Bacillus licheniformis spores, 0.05-0.5 parts a nutrient protectant, and 1-5 parts a calcium source. The binder, by weight, includes: 94-98 parts deionized water, urea, 0.02-0.2 parts nutrients, 0.01-0.5 parts a pH adjuster, 0.5-5 parts a viscosity adjuster, and 0.01-0.2 parts a surface tension adjuster. The concentration of urea in the binder is 0.02-0.10 mol / L. This invention solves the problems of existing inkjet 3D printing materials having internal pores, microcracks, and weak interlayer interfaces after molding, limiting the improvement of the mechanical properties of printed parts in the later stages, and the difficulty in adapting the microbial mineralization system to the inkjet 3D printing process.

The invention discloses a hot melt adhesive for folding disposable hygienic products and a preparation method thereof, and relates to the technical field of adhesives, the hot melt adhesive for folding is prepared from the following components by mass: 3-15% of a semi-crystalline polypropylene polymer, 15-40% of an amorphous polymer, 10-25% of a viscosity modifier, 40-60% of tackifying resin, and 0.1-2% of an antioxidant, the sum of the mass percentages of the components is 100%, and the mass ratio of the semi-crystalline polypropylene polymer to the amorphous polymer is 1: (2-5). The hot melt adhesive disclosed by the invention has the characteristic that the bonding force is controllably attenuated along with time, has extremely low surface initial viscosity, and can be applied to folding parts of disposable hygienic products such as baby diapers, training pants, female sanitary napkins, adult incontinence products and the like.

The present application relates to a green concrete which fully utilizes stone chips as fine aggregate and a preparation method thereof, which comprises the following components and their weight parts: 75-80 parts of cement, 9-10 parts of fly ash, 215-220 parts of coarse aggregate, 155-165 parts of stone chips, 2-5 parts of universal water reducer and 40-55 parts of water; the universal water reducer comprises the following components and their contents: 14-18% of polycarboxylic acid water reducing mother liquor, 11-15% of polycarboxylic acid comprehensive mother liquor, 3-5% of polycarboxylic acid slump retaining mother liquor, 3-4% retarder, 0.15-0.2% air entraining agent, 2-4% thickener, 0.01-0.1% viscosity modifier, and the balance is water; the polycarboxylic acid water-reducing mother liquor includes a quaternary ammonium salt water reducer, potassium nitrate, diethylenetriamine pentasodium methylenephosphonate and water in a mass ratio of 1: (0.8-1.1): (4-6): (12-14); the quaternary ammonium salt water reducer is obtained by polymerization of epichlorohydrin-diethanolamine copolymer, dimethyl butynedioate and nonylphenol polyglycol ether. The application can make concrete with stone chips as fine aggregate have better strength, fluidity and collapse retention performance.