CN111138914A

CN111138914A - Ceramic sand composition for preparing ground layer of roller skating field

Info

Publication number: CN111138914A
Application number: CN201911403392.5A
Authority: CN
Inventors: 杨项清
Original assignee: Changhua Sports Facilities Engineering Beijing Co Ltd
Current assignee: Changhua Sports Facilities Engineering Beijing Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-05-12
Anticipated expiration: 2039-12-31
Also published as: CN111138914B

Abstract

The invention provides a ceramic sand composition for preparing a ground layer of a roller skating ground, which comprises a component A and a component B, wherein the component A comprises the following components in parts by mass: 2.0-4.0 parts of cement, 3.0-5.8 parts of ceramic sand aggregate, 0.8-2.1 parts of antistatic material, 0.1-0.9 part of pigment and 0.5-2.0 parts of additive; the component B comprises the following components in parts by mass: 3.0-5.2 parts of styrene-acrylic emulsion, 2.0-3.5 parts of pure propylene, 0.8-1.7 parts of polyol, 0.2-1.1 parts of dispersant, 0.1-0.8 part of film-forming agent, 0.1-0.6 part of defoaming agent and 0.2-1.5 parts of pigment; also provided are methods of making a roller skate floor using the ceramic sand compositions and roller skate floors made thereby. The ceramic sand composition disclosed by the invention is environment-friendly and convenient to construct, and the floor surface layer prepared from the ceramic sand composition is anti-sideslip, impact-resistant, anti-static, high in strength and has certain toughness.

Description

Ceramic sand composition for preparing ground layer of roller skating field

Technical Field

The invention belongs to the field of coatings, and particularly relates to a ceramic sand composition for preparing a ground layer of a roller skating field.

Background

Roller skating refers to the activities of training, competition, performance, fitness, leisure and the like by using various rolling shaft type shoes, plates and other equipment, and comprises roller skating, roller balls, limit roller skating, a sliding plate, a bicycle and the like. The roller skating is a relatively violent sports, has relatively strict requirements on the playing field, requires that the playing field has good anti-skidding and wear-resisting properties, and also requires that the playing speed of athletes cannot be influenced, so that the roller skating has high technical requirements on materials used for the playing field.

The materials used for the ground layer of the existing roller skating sports competition field generally adopt common concrete ground, asphalt ground, marble ground, acrylic coating, waterborne polyurethane and the like. However, the playing field adopting the coating has the defects of easy damage to the body of the player, influence on the skidding speed and the like. Therefore, the materials of the surface layers of many competition and training fields in China at present cannot meet the technical rule requirements of the sports.

In conclusion, the water-based environment-friendly coating with excellent performances such as skid resistance, wear resistance, aging resistance and the like is urgently needed in the field.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a ceramic sand composition for preparing a roller skating ground surface layer and the roller skating ground surface layer prepared by using the same, so as to solve the technical problems in the prior art.

In a first aspect, the present invention provides a ceramic sand composition for use in preparing a roller skate floor finish, the ceramic sand composition comprising an a-component and a B-component, wherein,

the component A comprises the following components in parts by mass: 2.0-4.0 parts of cement, 3.0-5.8 parts of ceramic sand aggregate, 0.8-2.1 parts of antistatic material, 0.1-0.9 part of pigment and 0.5-2.0 parts of additive;

the component B comprises the following components in parts by mass: 3.0-5.2 parts of styrene-acrylic emulsion, 2.0-3.5 parts of pure propylene, 0.8-1.7 parts of polyhydric alcohol, 0.2-1.1 parts of dispersant, 0.1-0.8 part of film-forming agent, 0.1-0.6 part of defoaming agent and 0.2-1.5 parts of pigment.

In a second aspect, the present invention provides a method of preparing a ceramic sand aggregate comprising the steps of: a) crushing and screening the pottery stones to obtain pottery stone particles with the particle size of less than or equal to 350 mu m; b) calcining the pottery stone particles, the pigment and the color retention agent at 800-1000 ℃ for 10-20 minutes; and c) cooling the calcined pottery stone particles to room temperature, washing with water until no edges and corners exist, drying, and screening to obtain round-grained pottery stone particles with the grain size of less than or equal to 300 microns, namely pottery sand aggregate.

The skilled artisan will appreciate that in order to make the color of the roller floor uniform, the color of the pigment in the a component, the pigment in the B component, and the ceramic sand aggregate, the pigment from which the ceramic sand aggregate is made, should be uniform or similar.

In a third aspect, the present invention provides a method of preparing a roller skate floor comprising the steps of:

i) cleaning the smooth field substrate by grinding, sweeping and the like to remove fragile surfaces and stains;

ii) priming the cleaned roller-skate substrate with an aqueous solution of the pretreated B component;

iii) intermediate coating with a mixture of the A component and the aqueous solution of the pretreated B component; and

iv) overcoating with a mixture of the A-component and the pre-treated aqueous solution of the B-component.

In a fourth aspect, the present invention provides a roller skate floor finish made from the above-described ceramic sand composition or the above-described method.

Compared with the existing ground surface layer material of the roller skating field and the corresponding surface layer, the material has obvious beneficial effects. By means of the technical scheme, the beneficial technical effects of the invention include but are not limited to:

(1) the pottery sand composition has wide application, can be used for sports fields such as speed roller skating, bicycle tracks, leisure roller skating, roller ball skating fields, free roller skating, pattern roller skating and the like, and can also be applied to basketball courts, tennis courts, urban non-motor vehicle lanes, expressway emergency lanes, leisure places, villa roads, parks/coastal landscape avenues, district roads and the like;

(2) the ceramic sand composition has good environmental protection performance, does not contain organic solvents or volatile organic compounds, does not cause air pollution, and can meet the requirement of current environmental protection; the ceramic sand composition can use water as a dispersion medium, realizes real water-based performance, is odorless and non-combustible, and has higher safety in the processes of storage, transportation and use; the construction operation is convenient, and the construction tools can be directly cleaned by water.

(3) The ground layer of the roller skating field prepared from the ceramic sand composition disclosed by the invention is anti-sideslip and impact-resistant, and can effectively prevent sideslip of roller skating movement and improve impact resistance; wear-resisting, ageing-resistant, prevent static, do not discolour, shock resistance, resistance to compression, anti-folding, tensile, do not play powder, decorative strong, function such as easy washing, easy maintenance, colour are various. And

(4) the surface layer of the roller skating field prepared from the pottery sand composition does not generate static electricity under the high-speed friction between the roller body and the ground; the antistatic performance meets the requirements of national relevant standards; the ground has high strength and certain toughness: the 28d compressive strength of the material is more than 80 Mpa; the wear resistance is excellent: the wear resistance is 3 times that of hard acrylic floor.

Detailed Description

The technical solutions of the present invention will be clearly and completely described below in conjunction with the specific embodiments, but it should be understood by those skilled in the art that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention. All other examples, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

In an embodiment of the first aspect of the invention, the ceramic sand composition for making a roller skate floor covering of the present invention comprises an a-component and a B-component, wherein:

In the ceramic sand composition for preparing a floor surface for a roller skating field according to the present invention, the cement in the a component is well known to those skilled in the art, and may be selected from, for example, portland cement, aluminate cement, sulfate cement, volcanic cement, fly ash portland cement, and combinations thereof, but is not limited thereto. The amount of cement in component a may be 2.0 to 4.0 parts, such as 2.1 to 3.9 parts, 2.2 to 3.8 parts, 2.3 to 3.7 parts, 2.4 to 3.6 parts, 2.5 to 3.5 parts, 2.6 to 3.4 parts, 2.7 to 3.3 parts, 2.8 to 3.2 parts, 2.9 to 3.1 parts, such as 2.0 parts, 2.1 parts, 2.2 parts, 2.3 parts, 2.4 parts, 2.6 parts, 2.7 parts, 2.8 parts, 2.9 parts, 3.0 parts, 3.1 parts, 3.2 parts, 3.3 parts, 3.4 parts, 3.5 parts, 3.6 parts, 3.7 parts, 3.8 parts, 3.9 parts, 4.0 parts, and any number between the above, preferably 2.0 to 3.8 parts, 3.5 parts, 3.0 parts, and 3.5 parts, 3.6 parts.

In the context of the present invention, a ceramic sand aggregate is a round-grained ceramic stone particle obtained by removing impurities from ceramic stone, and then crushing, screening, calcining, cooling, and washing with water. As is well known to those skilled in the art, pottery stone is a rock mainly composed of kaolinite, halloysite, quartz, feldspar and other minerals, and the main mineral component is kaolinite. The pottery stone is mostly white, grey white, beige, cyan, brown, mauve, green, etc., and is mostly dense in cryptocrystal or earthy aggregate, and earthy luster.

In the composition of the present invention, the amount of the pottery sand aggregate in the a component may be 3.0 to 5.8 parts by mass, for example, 3.1 parts, 3.2 parts, 3.3 parts, 3.4 parts, 3.5 parts, 3.6 parts, 3.7 parts, 3.8 parts, 3.9 parts, 4.0 parts, 4.1 parts, 4.2 parts, 4.3 parts, 4.4 parts, 4.5 parts, 4.6 parts, 4.7 parts, 4.8 parts, 4.9 parts, 5.0 parts, 5.1 parts, 5.2 parts, 5.3 parts, 5.4 parts, 5.5 parts, 5.6 parts, 5.7 parts, 5.8 parts, and a value between any two of the above, preferably 3.5 to 4.5 parts, for example, 3.5 parts, 3.6 parts, 3.7 parts, 3.8 parts, 4.8 parts, 4.5 parts, 3.5 parts, 3.5.5 parts, 3.6 parts, 3.7 parts, 4.8 parts.

In the ceramic sand composition for preparing a ground layer of a roller skate of the present invention, the particle size of the ceramic sand aggregate is less than or equal to 300 μm, such as 20-300 μm, 30-300 μm, 40-300 μm, 50-300 μm, 60-300 μm, 70-300 μm, 80-300 μm, 90-300 μm, 100-300 μm, 120-300 μm, 130-300 μm, 150-300 μm, etc., preferably 90-300 μm. In particular embodiments, the material particle size of the ceramsite aggregate may be 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 155, 160, 165, 170, 175, 180, 185, 190, 200, 205, 210, 215, 220, 225, 230, 235, 240, 245, 250, 255, 260, 265, 270, 275, 280, 285, 290, 300 μm. The pottery stone particles can effectively prevent sideslip of skidding, improve impact resistance and increase wear resistance. If the particle size of the ceramic sand aggregate is too large, the surface layer prepared from the ceramic sand aggregate is likely to generate noise during skidding, and the skidding comfort level is greatly reduced.

In the pottery sand composition for preparing a floor layer of a roller skate of the present invention, the antistatic material of the a component is well known to those skilled in the art and may be selected from, for example, one or more of conductive mica powder, carbon fiber powder, antistatic metal powder, graphite powder, preferably conductive mica powder and antistatic metal powder, such as titanium dioxide powder, aluminum oxide powder, zirconium dioxide powder, magnesium oxide powder, zinc oxide powder, etc. In the a component, the amount of the antistatic material may be 0.8 to 2.1 parts by mass, for example, 0.8 part, 0.9 part, 1.0 part, 1.1 part, 1.2 parts, 1.3 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 1.9 parts, 2.0 parts, 2.1 parts, and a value between any of the above two values, preferably 1.0 to 1.5 parts, for example, 1.2 parts, 1.3 parts, 1.4 parts. The antistatic material can increase the conductivity of the surface layer material, realize the antistatic effect of the surface layer and increase the wear resistance of the surface layer. In order to increase the compactness of the ground surface layer and improve the hardness of the ground surface layer, the particle size of the antistatic material is smaller than that of the used ceramic sand aggregate.

In the pottery sand composition for preparing the ground layer of the roller skating field, the pigment of the component A can change and cover the color of the substrate of an application scene, and the selection of the pigment can be determined according to the specific application scene. Pigments are well known in the art and can be classified as inorganic pigments and organic pigments. Inorganic pigments can be subdivided into oxides, chromates, sulfates, silicates, borates, molybdates, phosphates, vanadates, ferricyanates, hydroxides, sulfides, metals, and the like; organic pigments can be classified into azo pigments, phthalocyanine pigments, polycyclic pigments such as anthraquinone, indigoid, quinacridone, and dioxazine, and arylmethane pigments, according to the chemical structure of the compound. Pigments can be further classified into natural pigments and synthetic pigments in terms of their origin. Examples of natural pigments include mineral-derived cinnabar, red earth, realgar, malachite green, and ground calcium carbonate, wollastonite, blanc fixe, talc, mica powder, and kaolin, animal-derived cochineal carmine, natural fish scale powder, and plant-derived gamboge, alizarin red, and indigo. The synthetic pigment may be, for example, an inorganic pigment such as titanium white, lithopone, lead chrome yellow, iron blue, etc., and an organic pigment such as scarlet powder, azo yellow, phthalocyanine blue, quinacridone, etc. Typical pigments are, for example, red iron oxide, green chromium oxide, blue iron oxide. The pigment may be present in an amount of 0.1 to 0.9 parts, e.g., 0.1 parts, 0.2 parts, 0.3 parts, 0.4 parts, 0.5 parts, 0.6 parts, 0.7 parts, 0.8 parts, 0.9 parts, and any number therebetween by mass, and the amount of pigment is preferably 0.3 to 0.7 parts, e.g., 0.4 parts, 0.5 parts.

In the ceramsite composition for preparing the ground layer of the roller skating floor, the additive of the component A can be selected from one or more of silicon powder, a color retention agent, a water reducing agent, a surfactant, a coupling agent, a color enhancer, a coloring agent, an expanding agent and a pumping agent, wherein the additive is well known to those skilled in the art, the silicon powder is also called micro-silicon powder and has the chemical name of silicon ash, the dimensional stability of the material can be improved, the wear resistance of the material can be enhanced, the color retention agent is also called a color retention stabilizer and mainly acts as ultraviolet protection and color fading prevention, the water reducing agent can be, for example, an amine carboxylate polymer, the water reducing agent has excellent water reducing rate and flowability enhancement cement mortar strength, one or more of common water reducing agents, high efficiency water reducing agents or retarding high efficiency water reducing agents can be selected from one or more of common water reducing agents, such as polycyclic aromatic sulfonate formaldehyde water reducing agents, naphthalene high efficiency water reducing agents, such as naphthalene sulfonate formaldehyde condensates, calcium lignosulfonate water reducing agents, melamine high efficiency water reducing agents, such as sulfonated melamine formaldehyde condensates, melamine high efficiency water reducing agents, melamine efficiency water reducing agents, high efficiency water reducing agents, sulfamate high efficiency water reducing agents, surfactant water reducing agents, aliphatic water reducing agents such as surface reducing agents, as surfactant, such as nonionic surfactant, polyoxyethylene-propyl-ethyl-propyl-ethyl-propyl-ethyl-propyl-ethyl-propyl-ethyl-propyl-lauryl-ethyl-lauryl-ethyl-propyl-ethyl-lauryl-ethyl-lauryl-ethyl-propyl-lauryl-ethyl-propyl-ethyl-propyl-ethyl-lauryl-ethyl-propyl-ethyl-lauryl-ethyl-propyl-ethyl-lauryl-ethyl-lauryl-propyl-ethyl-lauryl-ethyl-lauryl-.

In the a component, the amount of the additive may be 0.5 to 2.0 parts by mass, for example, 0.5 part, 0.6 part, 0.7 part, 0.8 part, 0.9 part, 1.0 part, 1.1 part, 1.2 parts, 1.3 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 1.9 parts, 2.0 parts, and a value between any of the above two values, preferably 0.8 to 1.6 parts. In a preferred embodiment of the present invention, the silicon powder is preferably 0.2 to 0.4 parts by mass, preferably 0.3 parts by mass; 0.01-0.003 part of color retention agent, preferably 0.02 part; 0.02-0.04 part of water reducing agent, preferably 0.03 part; 0.02-0.04 parts of surfactant, preferably 0.03 parts; 0.10-0.12 parts of coupling agent, such as 0.11 parts; 0.08 to 0.12 part of colorant, preferably 0.1 part; 0.15-0.18 part of color enhancer, preferably 0.16 part; 0.1-0.3 part of expanding agent, preferably 0.2 part; 0.13-0.16 part of pumping agent, preferably 0.15 part.

In the ceramic sand composition for preparing the ground layer of the roller-skating ground, the styrene-acrylic emulsion in the component B has the advantages of high and low temperature resistance, ultraviolet resistance, radiation resistance, enhancement of the weather resistance and durability of the ground and certain corrosion resistance. In a specific embodiment, the styrene-acrylic emulsion can be selected from one or more of organosilicon modified styrene-acrylic emulsion, organic fluorine modified styrene-acrylic emulsion, epoxy resin modified styrene-acrylic emulsion, cationic styrene-acrylic emulsion and functional monomer modified styrene-acrylic emulsion. In the component B, the amount of the styrene-acrylic emulsion may be 3.0 to 5.2 parts by mass, for example, 3.0 parts, 3.1 parts, 3.2 parts, 3.3 parts, 3.4 parts, 3.5 parts, 3.6 parts, 3.7 parts, 3.8 parts, 3.9 parts, 4.0 parts, 4.1 parts, 4.2 parts, 4.3 parts, 4.4 parts, 4.5 parts, 4.6 parts, 4.7 parts, 4.8 parts, 4.9 parts, 5.0 parts, 5.1 parts, 5.2 parts, and a value between any two of the above-mentioned values, for example, 2.82 parts, 2.93 parts, etc. The amount of the styrene-acrylic emulsion is preferably 4.0 to 4.5 parts by mass, for example, 4.2 parts, 4.3 parts, 4.4 parts, 4.5 parts.

In the ceramic sand composition for preparing the roller-skating floor surface layer, the pure acrylic in the component B increases the fire resistance, the water resistance and the weather resistance of the roller-skating floor surface layer. In the context of the present invention, pure acrylic means acrylic emulsion or silicone acrylic emulsion or a combination thereof. The amount of pure propane in the B component may be 2.0 to 3.5 parts by mass, and may be, for example, 2.0 parts, 2.1 parts, 2.2 parts, 2.3 parts, 2.4 parts, 2.5 parts, 2.6 parts, 2.7 parts, 2.8 parts, 2.9 parts, 3.0 parts, 3.1 parts, 3.2 parts, 3.3 parts, 3.4 parts, 3.5 parts, etc., as well as values between any two of the foregoing values, such as 2.05 parts, 2.15 parts, etc. In an embodiment of the invention, the amount of pure propane is preferably 2.5-3.0 parts by mass, such as 2.6 parts, 2.7 parts, 2.8 parts, 2.9 parts, 3.0 parts.

In the ceramic sand composition for preparing the ground layer of the roller skating floor, the polyalcohol in the component B is easy to dissolve in water, has strong dissolving capacity to polar substances, has small volatility and other characteristics of viscous liquid or crystalline solid, and can ensure that the ground has good pressure resistance. Polyols are well known in the art and may be one or more selected from the following: polyether polyols, such as polyether diols, polyether triols; polyester polyols such as polyester diol, polyoxypropylene diol (PPG), polytetrahydrofuran diol, low-branching polyester polyol, polycarbonate diol, polycaprolactone polyol, tetrahydrofuran-oxypropylene copolyol, and the like. The amount of polyol in the B component may be divided into 0.8-1.7 parts by weight, such as 0.8 part, 0.9 part, 1.0 part, 1.1 part, 1.2 parts, 1.3 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, etc., and values between any two of the above values, such as 0.85 part, 0.95 part, 1.69 part, etc. In a preferred embodiment of the invention, the amount of polyol may be 1.0 to 1.5 parts by mass, e.g. 1.1 parts, 1.2 parts, 1.3 parts, 1.4 parts, 1.5 parts.

In the pottery sand composition for preparing a floor layer of a roller skate of the present invention, the dispersant in the B component can shorten the dispersion time, improve gloss, tinting strength and hiding power, and prevent sedimentation. Dispersants are well known in the art and may be selected from anionic dispersants, such as sodium hexametaphosphate; cationic dispersants such as amine salts, quaternary ammonium salts such as high efficiency quaternary ammonium salt dispersants of the general type, octadecenylamine acetate, pyridinium salts; non-ionic dispersants such as polyethylene glycol 400; electrically neutral dispersants such as oleyl oleate; examples of the polymeric hyperdispersant include one or more of polycaprolactone polyol-polyethyleneimine block copolymer type dispersants, acrylate type polymeric dispersants, polyurethane type or polyester type polymeric dispersants, and the like. The amount of the dispersant in the B component may be 0.2 to 1.1 parts by mass, for example, 0.20 part, 0.25 part, 0.30 part, 0.35 part, 0.40 part, 0.45 part, 0.50 part, 0.55 part, 0.60 part, 0.65 part, 0.70 part, 0.75 part, 0.80 part, 0.85 part, 0.90 part, 0.95 part, 1.00 part, 1.05 part, 1.10 part, etc., and values between any two of the above, for example, 0.21 part, 0.22 part, 0.23 part, 0.31 part, 0.32 part, 0.33 part, 1.01 part, 1.09 part, etc. In a preferred embodiment of the invention, the amount of dispersant may be 0.2-0.5 parts by mass parts, such as 0.25 parts, 0.30 parts, 0.35 parts, 0.40 parts, 0.45 parts, 0.50 parts.

In the ceramic sand composition for preparing the ground layer of the roller-skating field, the film-forming agent in the component B is called as a coagulant and a coalescent, generates dissolution and swelling effects on polymer ions in emulsion, can generate plastic flow and elastic deformation along with volatilization of water to coalesce into a film, is easy to coat and level, and can meet the performance required by the invention to the maximum extent. Film formers are well known in the art. In a preferred embodiment of the present invention, the film forming agent may be selected from one of an acrylic resin film forming agent, a butadiene resin film forming agent, a polyurethane film forming agent, and the like. Acrylic resin film formers are preferred. The amount of film forming agent in component B may be 0.1-0.8 parts by weight, such as 0.1 part, 0.15 part, 0.2 part, 0.25 part, 0.3 part, 0.35 part, 0.4 part, 0.45 part, 0.5 part, 0.55 part, 0.6 part, 0.65 part, 0.70 part, 0.75 part, 0.80 part, etc., and values between any two of the above, such as 0.12 part, 0.23 part. In a preferred embodiment of the invention, the amount of film former is 0.3 to 0.5 parts, for example 0.4 parts.

In the pottery sand composition for preparing a ground layer of a roller skating floor of the present invention, the defoaming agent in the B component can be effectively destroyedFoam has been generated and rapidly reduces the surface tension of the solution. Defoamers are well known in the art and can be divided into: natural oils and fats, i.e., soybean oil, corn oil, etc.; polyether defoaming agents such as GP type defoaming agents, GPE type defoaming agents, GPEs type defoaming agents; higher alcohols, e.g. C₇-C₉Higher alcohol antifoaming agent, C₁₂-C₂₂High alcohol defoaming agents, dibutyl phosphate defoaming agents; silicon-based defoaming agents such as polydimethylsiloxane, polyether-modified silicon defoaming agents; novel self-emulsifying defoamers; a polysiloxane defoamer. The common defoaming agent can be selected from ethanol, isopropanol, butanol, tributyl phosphate, silicone emulsion, higher alcohol fatty acid ester complex, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether, polyoxypropylene, polyether modified silicone, polysiloxane defoaming agent, etc. The amount of defoamer in the B component can be 0.1 to 0.6 parts by weight, such as 0.1 part, 0.2 part, 0.3 part, 0.4 part, 0.5 part, 0.6 part, and the like, as well as values between any two of the foregoing. In a preferred embodiment of the invention, the amount of defoamer may be 0.1-0.2 parts, e.g. 0.17 parts, 0.18 parts, 0.19 parts.

In the pottery sand composition for preparing the roller skating floor, the pigment in the component B can endow the roller skating floor with a desired color, and can be selected according to the requirements of a user, and the colors such as red, green, blue and the like are generally selected. The red pigment can be iron oxide red, toluidine red, oil-soluble red and the like, the green pigment can be iron oxide green, phthalocyanine green, chromium oxide green and the like, and the blue pigment can be iron oxide blue, phthalocyanine blue, cobalt blue and the like, or the same as the pigment in the A component. The amount of pigment in the B component may be 0.2 to 1.5 parts by weight, such as 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8 parts, 0.9 parts, 1.0 parts, 1.1 parts, 1.2 parts, 1.3 parts, 1.4 parts, 1.5 parts, etc., as well as values between any two of the foregoing, such as 0.25, 0.35, 0.45 parts, etc. In a preferred embodiment of the invention, the amount of pigment is 0.5 to 1.0 parts, e.g. 0.6 parts, 0.7 parts, 0.8 parts, 0.9 parts, 1.0 part.

In order to further improve the convenience of the ground layer construction of the roller skating ground and prolong the shelf life of the material, the component B can also comprise one or more of a leveling agent, a coating preservative and a coating catalyst. Leveling agents, coating preservatives, coating catalysts are well known in the art. Leveling agents, such as polydimethyl siloxane, polymethylphenyl siloxane, alkyl modified organo-siloxane, etc., can promote the coating to form a flat, smooth and uniform coating film in the drying film-forming process. The coating preservatives such as benzoic acid and salts thereof, sorbic acid and salts thereof, dehydroacetic acid and sodium salts thereof, sodium p-hydroxybenzoate diacetate, calcium propionate, sodium lactate and the like can inhibit corrosion-causing microorganisms in the coating and prevent the coating from deteriorating, and are generally used in high-temperature seasons. The coating catalyst is an important auxiliary agent in the water-based coating, can accelerate the reaction rate of the material and improve the uniformity of the material, and can be selected from amine catalysts, such as aliphatic amines including triethylamine, diethylenetriamine and the like, alicyclic amines including triethylenediamine, N-ethyl morpholine and the like, alcohol amines including triethanolamine, ethanolamine and the like, aromatic amines including pyridine, N-dimethyl pyridine and the like; organometallic compound catalysts, for example tin-based catalysts such as dibutyltin dilaurate (DBTDL) and stannous octoate, zirconium catalysts such as Zr- (acac), manganese metal catalysts such as KML produced by the au & ltd & gt, aluminum chelate catalysts, bismuth catalysts such as bismuth acid, bismuth isooctanoate, and other metal catalysts; composite catalysts, such as tin-amine composite catalysts, zirconium-amine composite catalysts, organobismuth-zinc composite catalysts; and other catalysts, such as butyl bis (2-dimethylaminoethyl) ether.

In one embodiment, the B component further comprises 0.1-0.7 parts of a leveling agent; 0.1-0.3 part of paint preservative; 0.1-0.8 part of coating catalyst. In particular embodiments, the amount of leveling agent in the B component may be, for example, 0.1 parts, 0.2 parts, 0.3 parts, 0.4 parts, 0.5 parts, 0.6 parts, 0.7 parts, and values between any two of the foregoing, such as 0.15, 0.25, 0.35, 0.45, 0.55, 0.65 parts, preferably 0.3 parts, in parts by mass. In particular embodiments, the amount of coating preservative in the B component may be, for example, 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19, 0.20, 0.21, 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29, 0.30 parts, preferably 0.15 parts, by mass parts. In particular embodiments, the amount of coating catalyst in the B component may be, for example, 0.1 parts, 0.2 parts, 0.3 parts, 0.4 parts, 0.5 parts, 0.6 parts, 0.7 parts, 0.8 parts, and values between any two of the foregoing, such as 0.35 parts, 0.45 parts, 0.55 parts, 0.65 parts, 0.75 parts, etc., preferably 0.3 parts, by weight.

In the pottery sand composition for a roller-skating field according to the present invention, the dispersant, the film forming agent, the defoamer, the leveling agent, the coating preservative, the coating catalyst and the pigment in the B component may be used according to conventional conditions or recommendations of manufacturers, and all reagents or instruments are conventional products which are not indicated by manufacturers and are commercially available.

In an embodiment of another aspect of the invention, the method of preparing a ceramic sand aggregate of the invention comprises the steps of:

a) crushing and screening the pottery stones to obtain pottery stone particles with the particle size of less than or equal to 350 mu m;

b) calcining the pottery stone particles, the pigment and the color retention agent at 800-1000 ℃ for 10-20 minutes; and

c) and cooling the calcined pottery stone particles to room temperature, washing with water until no edges and corners exist, drying, and screening to obtain round-grained pottery stone particles with the grain size of less than or equal to 300 mu m, namely the pottery sand aggregate.

In the embodiment of the method for preparing a ceramic sand aggregate according to the present invention, it is preferable to screen ceramic stone particles having a particle size of 350 μm or less in step a) in consideration of the particle size of the ceramic sand aggregate in the ceramic sand composition according to the present invention being 300 μm or less.

In an embodiment of the method for preparing a ceramic sand aggregate according to the present invention, the pulverizing in step a) may be performed using an epicyclic hammer mill, and the screening in steps a) and c) may be performed by vibratory screening using a screen.

In an embodiment of the process for preparing a ceramic sand aggregate according to the present invention, the pigment in step b) should be consistent with the colour of the ceramic stone and may be selected based on the colour of the ceramic stone, typically a nanoscale pigment, facilitating melting deep into the ceramic stone particles, and may for example be selected from nanoscale iron oxide red, nanoscale iron oxide green, nanoscale chromium oxide green, nanoscale iron oxide blue, the like, and combinations thereof, as well as other nanoscale pigments well known to the skilled person.

In another embodiment, color retention agents are well known to those skilled in the art, with aqueous coating color retention agents being preferred, such as, but not limited to, amine carboxylate polymers, modified zinc stearate emulsions, and the like.

In the embodiment of the method for preparing the ceramic sand aggregate of the invention, in the step b), the calcination is carried out in the calcining furnace, and the pigment and the color retention agent are melted and infiltrated into the ceramic stone particles during the calcination process, so that the ceramic sand aggregate can be uniformly colored throughout. The temperature of calcination is generally from 800 ℃ to 1000 ℃, e.g. 800 ℃, 850 ℃, 900 ℃, 950 ℃, 1000 ℃, preferably 950 ℃, the calcination time may be from 10 to 20 minutes, e.g. 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 minutes, preferably from 12 to 18 minutes, e.g. 15 minutes.

In an embodiment of the method of preparing a ceramic sand aggregate of the present invention, the mass ratio of the ceramic stone particles, the pigment and the color retention agent is 100:15 to 25:3 to 7, for example, the mass ratio of the ceramic stone particles, the pigment and the color retention agent may be 100:16:3, 100:17:4, 100:18:5, 100:20:7, 100:20:4, 100:20:5, 100:22:6, 100:25:7, and the like.

In an embodiment of the method for preparing a ceramic sand aggregate of the present invention, the screening in step c) may be performed by vibration using a screen to obtain ceramic stone particles having a particle size of 300 μm or less, i.e., a ceramic sand aggregate.

The skilled artisan will appreciate that in order to make the color of the roller floor consistent, the color of the pigment in component a, the pigment in component B, and the ceramic sand aggregate, the pigment from which the ceramic sand aggregate is made, should be consistent or similar during a particular construction.

In an embodiment of the third aspect of the invention, the method of the invention for preparing a roller skate floor surface using the ceramic sand composition of the invention comprises the steps of:

i) the roller skating field substrate is treated by grinding, cleaning and the like to remove fragile surfaces, greasy dirt and other attachments;

ii) priming the roller skate field substrate with a pre-treated aqueous solution of component B;

iii) 2-5 intercoats with a mixture of component A and pre-treated aqueous solution of component B; and

iv) 1 to 4 topcoats with a mixture of the A component and the aqueous solution of the pretreated B component.

As is well known to those skilled in the art, the substrate of a roller coaster is typically a concrete substrate, an asphalt substrate, a marble substrate, a terrazzo substrate, or the like.

In embodiments where a roller floor is prepared, pre-treatment of the B-side is typically required in order to achieve uniform mixing and adequate fusing of the ingredients in the B-side. The pretreatment method of the component B comprises the following steps: according to the mass part in the component B,

1) adding the styrene-acrylic emulsion, the pure acrylic and the polyhydric alcohol and the pigment into a reaction kettle, and stirring and mixing uniformly at a high speed;

2) then adding the dispersant and the film-forming agent, and repeatedly stirring for 2-3 hours at the temperature of 50-65 ℃; and

3) and (3) when the temperature in the reaction kettle is reduced to normal temperature, adding a defoaming agent into the reaction kettle, uniformly stirring, and packaging and discharging after foams disappear to obtain the pretreated component B.

In the B-component pretreatment step 2), if the B-component contains one or more of a leveling agent, a coating preservative, and a coating catalyst, one or more thereof should be further added in the step 2).

In the B component pretreatment step 3), attention is paid not to increase the temperature of the reaction kettle, otherwise the defoaming performance of the defoaming agent is negatively influenced.

In a particular embodiment of the process for preparing a roller-skating floor, in step ii) the mass ratio of the pre-treated B-component to water is 1:3 to 5, such as 1:3, 1:3.5, 1:4, 1:4.5, 1:5, preferably 1:4, and the aqueous solution of the pre-treated B-component is used in an amount of 0.3 to 0.5kg/m²Substrates, e.g. 0.35kg/m²、0.36kg/m²、0.37kg/m²、0.38kg/m²、0.39kg/m²、0.4kg/m²、0.41kg/m²、0.42kg/m²、0.43kg/m²、0.44kg/m²、0.45kg/m²、0.46kg/m²、0.47kg/m²、0.48kg/m²、0.49kg/m²、0.5kg/m²The coating method is spraying or brushing.

In a particular embodiment of the method for preparing a roller skate floor, in step iii) the mass ratio of the a-component to the aqueous solution of the pre-treated B-component is 1:3 to 5, such as 1:3, 1:3.5, 1:4, 1:4.5, 1:5, and the ratio between any two of the above ratios, preferably 1:4, wherein in the aqueous solution of the pre-treated B-component the mass ratio of the pre-treated B-component to water is 8 to 12:1, such as 8:1, 8.5:1, 9:1, 10:1, 10.5:1, 11:1, 11.5:1, 12:1, preferably 10: 1; the coating can be carried out by scraping with a squeegee or by a ruler-rake, and the intermediate coating can be carried out 2 times, 3 times, 4 times, 5 times, preferably 3 times. In step iii), the total amount of the mixture of the A-component and the aqueous solution of the pretreated B-component is 2.0 to 4.0kg/m²Substrates, e.g. 2.0kg/m²、2.1kg/m²、2.2kg/m²、2.30kg/m²、2.4kg/m²、2.5kg/m²、2.6kg/m²、2.7kg/m²、2.8kg/m²、2.9kg/m²、3.0kg/m²、3.1kg/m²、3.2kg/m²、3.30kg/m²、3.4kg/m²、3.5kg/m²、3.6kg/m²、3.7kg/m²、3.8kg/m²、3.9kg/m²、4.0kg/m²。

In a particular embodiment of the method for preparing a roller skate floor, in step iv) the mass ratio of the a-component to the aqueous solution of the pre-treated B-component is 1:3 to 5, such as 1:3, 1:3.5, 1:4, 1:4.5, 1:5, and the ratio between any two of the above ratios, preferably 1:4, wherein in the aqueous solution of the pre-treated B-component the mass ratio of the pre-treated B-component to water is 8 to 12:1, such as 8:1, 8.5:1, 9:1, 10:1, 10.5:1, 11:1, 11.5:1, 12:1, preferably 10: 1; the total amount of the mixture of the component A and the aqueous solution of the pretreated component B is 0.2-0.8kg/m²Substrates, e.g. 0.2kg/m²、0.25kg/m²、0.3kg/m²、0.35kg/m²、0.4kg/m²、0.45kg/m²、0.50kg/m²、0.55kg/m²、0.60kg/m²、0.65kg/m²、0.70kg/m²、0.80kg/m²The coating method can be roller coating or brush coating, and the top coating can be carried out 1 time, 2 times, 3 times, 4 times, and preferably 2 times.

The pottery sand composition surface layer obtained by the method has the excellent performances of skid resistance, wear resistance, impact resistance, static electricity resistance and the like.

The invention is further illustrated by the following specific examples.

The various reagents or materials used in the following examples are conventional in the art and are commercially available. For example,

color retention agents are available from, for example, Nanyang high-new area Jinfeng toughened paint factories, Guangzhou Tongda chemical engineering Co., Ltd., such as YZS-04S;

the water reducing agent is purchased from, for example, the Haian petrochemical plant in Jiangsu province, the Yongyang water reducing agent plant in Tianjin city;

surfactants are available from, for example, southwestern brightness new materials, ltd, hesu province, haian petrochemical plant, shanghai Hui leveling chemical ltd;

the toner is purchased from, for example, Shanghai Yishu industry Co., Ltd, Shanghai Qianhuang industry Co., Ltd;

colorants are available, for example, from affluent pigments, Inc. of New county, Shijiazhuang Ruiton chemical technology, Inc.;

the pumping agent is purchased from Xinghua chemical building materials Co., Ltd., Liaoning Wan concrete new material science and technology Co., Ltd., Beijing, for example;

antistatic metal powders are available from, for example, Shanghai Yitong industries, Inc., Suzhou Diamond Metal powders, Inc.;

dispersants are available from, for example, Shanghai Yi-Engineers Limited, Weibes New Material (Weifang) Limited, Tianjin He Philippine New Material Limited;

film formers are available from, for example, Shanghai Banghou chemical Co., Ltd, Guangzhou Hengyu chemical Co., Ltd, Shanghai Hui Pinghu chemical Co., Ltd;

defoamers are available from, for example, rindergard chemical ltd, west site environmental protection technology ltd, fujian province, baisi shield chemical ltd, su;

coating catalysts are available from, for example, shanghaided catalysts ltd, tianjin southern catalysts ltd;

leveling agents are available from, for example, hoppler chemical technology, ltd, guann, anli environmental protection technology, ltd.

Example 1: preparation of a Red roller-skate floor layer for use with an asphalt base

In this example, a ceramic sand composition for use in preparing a red roller-skate floor and a bitumen-based red roller-skate floor prepared therefrom are provided.

The ceramic sand composition for preparing the red roller skating ground surface layer comprises a component A and a component B, wherein:

the component A comprises: 36.3kg of silicate cement with grade of 52.5, 39.6kg of red ceramic sand aggregate, 14.3kg of antistatic metal powder (with the particle size of below 40 mu m, Hangzhou Wanjing New Material Co., Ltd.), 5.5kg of iron oxide red, 3.3kg of silicon powder as an additive, 0.22kg of a color retention agent, 1.43kg of calcium lignosulfonate water reducing agent, 1.43kg of hexadecyl trimethyl quaternary ammonium bromide, 1.21kg of chromium chloride complex methacrylate, 1.76kg of a color enhancer (Shanghai Qianhuang industry Co., Ltd.), 1.1kg of a colorant (Xinxiang Xiangxiang pigment Co., Ltd.), 2.2kg of a UEA expanding agent and 1.65kg of a pumping aid (Beijing City Xinghuang chemical building materials Co., Ltd.), and the components are uniformly mixed to obtain 110kg of the A component.

The component B comprises 129kg of organosilicon modified styrene-acrylic, 81kg of pure acrylic emulsion, 39kg of polyether glycol, 10.5kg of pyridinium salt cationic dispersant, 12kg of acrylic resin film-forming agent, 5.4kg of GPE type defoaming agent and 23.1kg of iron oxide red.

In this example, the red ceramic sand aggregate in component a was prepared by: firstly, crushing red pottery stones with impurities removed by using a turnover hammer mill, and screening to prepare 50kg pottery stone particles with the particle size of less than or equal to 320 mu m; secondly, adding 50kg of pottery stone particles, 7.5kg of nano-scale iron oxide red and 1.5kg of color retention agent (the mass ratio of 100:15: 3) into a calcining furnace, and calcining for 20 minutes at 800 ℃ to ensure that the nano-scale iron oxide red and the color retention agent are fully melted and permeate into the pottery stone particles; and then cooling the calcined pottery stone particles to room temperature, washing the pottery stone particles until the pottery stone particles have no edges and corners, drying and screening the pottery stone particles to obtain 45kg of red round-grained pottery stone particles with the grain size of 45-280 mu m, namely the red pottery sand aggregate with uniform color.

In this example, the pretreatment method of the B component was as follows:

1) adding the organic silicon modified styrene-acrylic, the pure acrylic emulsion, the polyether glycol and the iron oxide red into a reaction kettle according to the above amount, stirring at a high speed and mixing uniformly;

2) then adding the pyridinium salt cationic dispersant and the acrylic resin film-forming agent in the above amount, and repeatedly stirring for 3 hours at the temperature of 65 ℃; and

3) and (3) when the temperature in the reaction kettle is reduced to normal temperature, adding the GPE defoaming agent in the amount into the reaction kettle, mixing and stirring uniformly without increasing the temperature, defoaming, packaging and discharging to obtain 300kg of pretreated component B.

When preparing a red roller skating ground surface layer based on an asphalt substrate, the specific construction method comprises the following steps:

i) the asphalt base is treated by grinding, cleaning, etc. to remove the fragile surface of the asphalt base and the attached matter such as oil stain

ii) priming the asphalt substrate with the aqueous solution of the pretreated B component

In step ii), 10kg of the pretreated B component was thoroughly mixed with 30kg of water (mass ratio of 1:3) to prepare an aqueous solution of the pretreated B component, which was then sprayed on the asphalt substrate by spraying using an inorganic spraying machine (Hebei Chenchen Tai Kokai machinery manufacturing factory) in an amount of 0.35kg/m²An asphalt base.

iii) 3-time intercoat with a mixture of A-component and pre-treated aqueous B-component solution

In step iii), 32kg of water was added to 256kg of pretreated B-fraction, followed by 96kg of a-fraction (i.e. a mass ratio of aqueous solution of a-fraction to B-fraction of 1: 3; in the aqueous solution of the pretreated B component, the mass ratio of the pretreated B component to water is 8:1), uniformly mixing, carrying out middle coating for 3 times by scraping with a scraper blade, and obtaining the mixtureThe total amount of the composition was 3.5kg/m²An asphalt base.

iv) 2-time topcoat with a mixture of A-component and aqueous solution of pretreated B-component

In step iv), 3.7kg of water was added to 29.3kg of the pretreated B-component, followed by addition of 11kg of a-component (mass ratio of a-component to aqueous solution of pretreated B-component 1: 3; in the aqueous solution of the pretreated B component, the mass ratio of the pretreated B component to water was 8:1), mixed uniformly, and subjected to 2-time top-coating by roll coating, the total amount of the resulting mixture being 0.40kg/m²An asphalt base.

After the construction is carried out according to the method, 110m can be obtained²Red roller-skate floor based on asphalt base.

Example 2: green roller-skating surface layer for preparing asphalt base

In this example, there is provided a ceramic sand composition for use in preparing a green roller skate floor finish, comprising an a-component and a B-component, wherein:

the component A comprises: 32kg of aluminate cement with the grade of 42.5, 45kg of green ceramic sand aggregate, 9kg of conductive mica powder (with the particle size of below 60 mu m) and 5kg of iron oxide green, wherein 5kg of silica powder, 0.2kg of color retention agent (YZS-04S of Guangzhou tungada chemical engineering Co., Ltd.), 1.4kg of sodium dodecyl benzene sulfonate and 2.4kg of AEA expanding agent are selected as additives, and the components are uniformly mixed to obtain 100kg of the component A.

The component B comprises: 170.2kg of organic fluorine modified styrene-acrylic, 92.5kg of pure acrylic emulsion, 44.4kg of polyether triol, 40013.69kg of polyethylene glycol, 18.5kg of butadiene resin film-forming agent, 8.51kg of butanol defoaming agent and 22.2kg of iron oxide green.

In this example, the green ceramic sand aggregate in component a was prepared by: firstly, crushing the green pottery stones with impurities removed by using a turnover hammer mill, and screening to prepare 50kg of pottery stone particles with the particle size of less than or equal to 250 microns; secondly, adding 50kg of pottery stone particles, 12.5kg of nano-scale iron oxide green and 3.5kg of color retention agent (the mass ratio is 100:25:7) into a calcining furnace, calcining for 12 minutes at 1000 ℃ to ensure that the nano-scale iron oxide green and the color retention agent are fully melted and permeate into the pottery stone particles; and then cooling the calcined pottery stone particles to room temperature, washing the pottery stone particles with water until the pottery stone particles have no edges and corners, drying the pottery stone particles, and screening the pottery stone particles to obtain 50kg of green round-grained pottery stone particles with the grain size of 70-220 mu m, namely green pottery sand aggregate with one color in the whole body.

In this example, the pretreatment method of the B component was as follows:

1) adding the organic fluorine modified styrene-acrylic, the pure acrylic emulsion, the polyether triol and the iron oxide green into a reaction kettle according to the above amount, stirring at a high speed and mixing uniformly;

2) adding the polyethylene glycol 400 and the butadiene resin film-forming agent in the above amount, and repeatedly stirring for 3 hours at the temperature of 65 ℃; and

3) and (3) when the temperature in the reaction kettle is reduced to normal temperature, adding the butanol defoaming agent in the amount into the reaction kettle, mixing and stirring uniformly without increasing the temperature, defoaming, packaging and discharging to obtain 370kg of pretreated component B.

When preparing a green roller skating ground surface layer based on an asphalt substrate, the specific construction method comprises the following steps:

i) the asphalt base is treated by grinding, cleaning and the like to remove the fragile surface of the asphalt base and attachments such as oil stains and the like;

In step ii), 10kg of the pretreated B component was thoroughly mixed with 50kg of water (mass ratio of 1:5) to prepare an aqueous solution of the pretreated B component, which was then sprayed by spraying using an inorganic spray coater (caro de l equipment, hangzhou, zhejiang in an amount of 0.45kg/m²An asphalt base.

In step iii), 24kg of water was added to 288kg of pretreated B-component, followed by 78kg of a-component (mass ratio of a-component to aqueous solution of pretreated B-component 1: 4; in the aqueous solution of the pretreated B component, the mass ratio of the pretreated B component to water is 12:1), the mixture is uniformly mixed, and the mixture is subjected to middle coating for 3 times by scraping with a scraper, wherein the total dosage of the obtained mixture is 3.0kg/m²An asphalt base.

iv) 2-time topcoat with a mixture of the inventive A-component and a pretreated aqueous solution of the B-component

In step iv), 5.6kg of water was added to 67.2kg of the pretreated B-component, followed by addition of 18.2kg of a-component (mass ratio of a-component to aqueous solution of pretreated B-component 1: 4; in the aqueous solution of the pretreated B component, the mass ratio of the pretreated B component to water was 12:1), and the mixture was subjected to 2-time top coating by roll coating, the total amount of the mixture used being 0.70kg/m²An asphalt base.

130m can be obtained after construction according to the method²A green roller-skate floor based on an asphalt base.

Example 3: blue roller skate floor for preparing asphalt base

In this example, there is provided a ceramic sand composition for use in preparing a blue roller skate floor layer, comprising an a-component and a B-component, wherein:

the component A comprises: 7.6kg of Portland cement with the grade of 62.5, 18.8kg of volcanic cement with the grade of 52.5, 28.8kg of blue pottery sand aggregate, 10.4kg of antistatic metal powder (with the particle size of below 80 mu m, Shanghai Yizhiyu Co., Ltd.) and 4kg of iron oxide blue, wherein 2.4kg of silicon powder, 0.16kg of color retention agent (Nanyang Gao New district Jinfeng toughened paint factory), 1.04kg of calcium lignosulfonate water reducing agent, 1.04kg of octadecyl dimethyl benzyl quaternary ammonium chloride, 0.88kg of propyl triethoxysilane, 1.28kg of toner (Shanghai Qian Zi Co., Ltd.), 0.8kg of coloring agent (Shanghai Yi Tong Co., Ltd.), 1.6kg of HEA expanding agent and 1.2kg of pumping agent (Liaoning Wan concrete Co., Ltd.) are uniformly mixed to obtain 80kg of the new A component material.

The component B comprises: 116.1kg of epoxy styrene-acrylic resin, 72.9kg of pure acrylic emulsion, 29.7kg of polyoxypropylene glycol, 6.75kg of sodium hexametaphosphate, 8.1kg of polyurethane film forming agent, 4.86kg of dibutyl phosphate defoamer, 14.04kg of iron oxide blue, 5.4kg of polymethylphenyl siloxane, 4.05kg of sodium lactate preservative and 8.1kg of dibutyltin dilaurate (DBTDL).

In this example, the blue ceramic sand aggregate in component a was prepared by:

firstly, crushing the blue pottery stones with impurities removed by using a turnover hammer mill, and screening to prepare 50kg of pottery stone particles with the particle size of less than or equal to 300 mu m; secondly, adding 50kg of pottery stone particles, 10kg of nano-scale iron oxide blue and 2.5kg of color retention agent (the mass ratio is 100:20:5) into a calcining furnace, calcining for 15 minutes at 950 ℃ to ensure that the nano-scale iron oxide blue and the color retention agent are fully melted and permeate into the pottery stone particles; then cooling the calcined pottery stone particles to room temperature, washing the pottery stone particles until the pottery stone particles have no edges and corners, drying the pottery stone particles, and screening the pottery stone particles to obtain 47kg of blue round-grained pottery stone particles with the grain size of less than or equal to 100-.

In this example, the pretreatment method of the B component was as follows:

1) adding the epoxy resin styrene-acrylic, the pure acrylic emulsion, the polyoxypropylene glycol and the iron oxide blue into a reaction kettle according to the above amount, stirring at a high speed and mixing uniformly;

2) adding sodium hexametaphosphate, a polyurethane film forming agent, polymethylphenylsiloxane, a sodium lactate preservative and DBTDL according to the above amount, and repeatedly stirring for 2 hours at the temperature of 65 ℃; and

3) and (3) when the temperature in the reaction kettle is reduced to normal temperature, adding the dibutyl phosphate defoaming agent into the reaction kettle according to the amount, mixing and stirring, packaging and discharging after defoaming, and thus obtaining 270kg of pretreated component B.

When the blue roller skating ground surface layer is prepared on the basis of the asphalt substrate, the specific construction method comprises the following steps:

In step ii), 10kg of the pretreated B component was thoroughly mixed with 30kg of water (mass ratio of 1:3) to prepare an aqueous solution of the pretreated B component, which was then sprayed by an inorganic spray coater (U.S. solid Rake sprayer) to an asphalt substrate in an amount of 0.40kg/m²An asphalt base.

In step iii), 22kg of water was added to 220kg of pretreated B-component, followed by 60kg of a-component (mass ratio of a-component to aqueous solution of pretreated B-component 1: 4; in the aqueous solution of the pretreated B component, the mass ratio of the pretreated B component to water is 10:1), the mixture is uniformly mixed, and the mixture is subjected to middle coating for 3 times by scraping with a scraper, wherein the total dosage of the obtained mixture is 3.0kg/m²An asphalt base.

In step iv), 3.6kg of water was added to 36.4kg of the pretreated B-component, followed by addition of 10kg of a-component (mass ratio of a-component to aqueous solution of pretreated B-component 1: 4; in the aqueous solution of the pretreated B component, the mass ratio of the pretreated B component to water was 10:1), and the mixture was subjected to 2-time top coating by roll coating, the total amount of the mixture used being 0.50kg/m²An asphalt base.

After the construction according to the method, the complete 100m can be obtained²A blue roller-skate floor based on an asphalt base.

Example 4: green roller skating floor used for preparing concrete substrate

the component A comprises: 17.6kg of sulfate cement with the grade of 52.5, 20.9kg of volcanic cement with the grade of 52.5, 51.7kg of green ceramic sand aggregate, 8.8kg of carbon fiber powder (with the particle size of below 80 mu m) and 5.5kg of chromium oxide green, wherein 0.88kg of color retention agent (Guangzhou Tuntada chemical engineering Co., Ltd.), 1.32kg of octadecyl dimethyl benzyl quaternary ammonium chloride, 1.1kg of coloring agent (Shijiazhuang Sharpu chemical engineering Co., Ltd.) and 2.2kg of HEA expanding agent are selected as additives, and the above substances are uniformly mixed to obtain 110kg of the component A.

The component B comprises: 126kg of cationic styrene-acrylic emulsion, 87kg of silicone-acrylic emulsion, 45kg of polyester glycol, 12kg of oil amino oleate, 9kg of acrylic resin film forming agent, 6.6kg of defoaming agent (Xister environmental protection science and technology Limited liability company, Fujian province) and 14.4kg of chromium oxide green.

In this example, the green ceramic sand aggregate in component a was prepared by: firstly, crushing the green pottery stones with impurities removed by using a turnover hammer mill, and screening to prepare 60kg of pottery stone particles with the particle size of less than or equal to 350 microns; secondly, adding 60kg of pottery stone particles, 10.8kg of nano chromium oxide green and 3kg of color retention agent (the mass ratio is 100:18:5) into a calcining furnace, calcining for 18 minutes at 900 ℃, and fully melting the nano chromium oxide green and the color retention agent and permeating the pottery stone particles; and then cooling the calcined pottery stone particles to room temperature, washing the pottery stone particles until the pottery stone particles have no edges and corners, drying the pottery stone particles, and screening the pottery stone particles to obtain 56kg of green round-grained pottery stone particles with the grain size of 90-300 mu m, namely green pottery sand aggregate with uniform color.

In this example, the pretreatment method of the B component was as follows:

1) adding the cationic styrene-acrylic emulsion, the silicone-acrylic emulsion, the polyester glycol and the chromium oxide green into a reaction kettle according to the above amount, stirring at a high speed, and mixing uniformly;

2) then adding the oil amino oleate and the acrylic resin film-forming agent in the above amount, and repeatedly stirring for 2 hours at the temperature of 65 ℃; and

3) when the temperature in the reaction kettle is reduced to normal temperature, adding the defoaming agent into the reaction kettle, mixing and stirring uniformly without increasing the temperature; after defoaming, packaging and discharging to obtain 300kg of pretreated component B.

When preparing a green roller skating ground surface layer based on a concrete substrate, the concrete construction method comprises the following steps:

i) the concrete substrate is treated by grinding, cleaning, etc. to remove the fragile surface of the concrete substrate and the attached matter such as oil stain

ii) priming the concrete substrate with the pretreated aqueous solution of the B component

In step ii), 10kg of the pretreated B component was thoroughly mixed with 30kg of water (mass ratio of 1:3) to prepare an aqueous solution of the pretreated B component, and then the aqueous solution of the pretreated B component was sprayed on the concrete substrate by spraying using a paint-free sprayer (American Curie sprayer) in an amount of 0.5kg/m²A concrete base.

In step iii), 33.3kg of water was added to 266.7kg of pretreated B-component, followed by addition of 100kg of a-component (mass ratio of a-component to aqueous solution of pretreated B-component was 1: 3; in the aqueous solution of the pretreated B component, the mass ratio of the pretreated B component to water is 8:1), the mixture is uniformly mixed, and the mixture is subjected to middle coating for 3 times by scraping with a scraper, wherein the total dosage of the obtained mixture is 4kg/m²A concrete base.

In step iv), 2.7kg of water was added to 21.3kg of pretreated B-component, followed by 8kg of a-component (mass ratio of a-component to aqueous solution of pretreated B-component 1: 3; in the aqueous solution of the pretreated B component, the mass ratio of the pretreated B component to water was 8:1), mixed uniformly, and subjected to 2-time top-coating by roll coating, the total amount of the resulting mixture being 0.4kg/m²A concrete base.

80m can be obtained by mixing the component A and the component B according to the method²A green roller-skate floor based on a concrete base.

Example 5 preparation of a Red roller-compacted floor layer for use in a concrete base

In this example, there is provided a ceramic sand composition for use in preparing a red roller skate floor finish, comprising an a-component and a B-component, wherein:

the component A comprises: 37kg of fly ash cement with the grade of 52.5, 38kg of red ceramic sand aggregate, 14kg of antistatic metal powder (the particle size is less than 100 mu m, Suzhou diamond metal powder Co., Ltd.), 5kg of iron oxide red, 2kg of sulfonated melamine formaldehyde condensate, 1.5kg of cocamidopropyl dimethylamine caprolactone, 1.5kg of 3- (N, N-dimethylaminopropyl) -aminopropyl methyl dimethoxysilane and 1kg of colorant (Shijiazhuang Sha chemical science Co., Ltd.) are selected as additives, the components A are uniformly mixed to obtain 100kg of the component A,

the component B comprises: 168.1kg of functional monomer modified styrene-acrylic, 103.32kg of pure acrylic emulsion, 65.6kg of polycarbonate diol, 12.3kg of oil amino oleate, 12.3kg of butadiene resin film former, 7.38kg of polydimethylsiloxane defoamer, 32.8kg of iron oxide red and 8.2kg of bismuth carboxylate catalyst.

In this example, the red ceramic sand aggregate in component a was prepared by: firstly, crushing red pottery stones with impurities removed by using a turnover hammer mill, and screening to prepare 50kg pottery stone particles with the particle size of less than or equal to 350 microns; secondly, adding 50kg of pottery stone particles, 11kg of nano-scale iron oxide red and 3kg of color retention agent (the mass ratio is 100:22:6) into a calcining furnace, calcining for 19 minutes at 850 ℃, and fully melting the nano-scale iron oxide red and the color retention agent and permeating the nano-scale iron oxide red and the color retention agent into the pottery stone particles; then cooling the calcined pottery stone particles to room temperature, washing the pottery stone particles until the pottery stone particles have no edges and corners, drying the pottery stone particles, and screening the pottery stone particles to obtain 48kg of red round-grained pottery stone particles with the grain size of 110-300 mu m, namely the red pottery sand aggregate with uniform color.

In this example, the pretreatment method of the B component was as follows:

1) adding the functional monomer modified styrene-acrylic and pure acrylic emulsion, polycarbonate diol and iron oxide red into a reaction kettle according to the above amount, stirring at high speed and mixing uniformly;

2) then adding the oil aminooleate, the butadiene resin film-forming agent and the bismuth carboxylate catalyst in the above amount, and repeatedly stirring for 3 hours, wherein the temperature is controlled at 65 ℃; and

3) when the temperature in the reaction kettle is reduced to normal temperature, adding the polydimethylsiloxane defoamer in the amount into the reaction kettle, and uniformly mixing and stirring without increasing the temperature; and packaging and discharging after defoaming to obtain 410kg of pretreated component B.

When preparing a red roller skating ground surface layer based on a concrete substrate, the concrete construction method comprises the following steps:

In step ii), 10kg of the pretreated B component was thoroughly mixed with 40kg of water (mass ratio 1:4) to prepare an aqueous solution of the pretreated B component, which was then sprayed using an inorganic spray coater (charles, hangzhou)Not equipment limited) an aqueous solution of the B component pretreated by spraying was applied to a concrete substrate in an amount of 0.45kg/m²A concrete base.

In step iii), 28kg of water was added to 339kg of pretreated B-fraction, followed by 73kg of a-fraction (mass ratio of a-fraction to aqueous solution of pretreated B-fraction 1: 5; in the aqueous solution of the pretreated B component, the mass ratio of the pretreated B component to water is 12:1), the mixture is uniformly mixed, and the mixture is subjected to middle coating for 3 times by scraping with a scraper, wherein the total dosage of the obtained mixture is 4kg/m²A concrete base.

In step iv), 4.9kg of water was added to 59.3kg of the pretreated B component, followed by 12.8kg of a component (mass ratio of a component to aqueous solution of pretreated B component 1: 5; in the aqueous solution of the pretreated B component, the mass ratio of the pretreated B component to water was 12:1), and the mixture was subjected to 2-time top coating by roll coating, the total amount of the mixture used being 0.7kg/m²A concrete base.

After the construction is carried out according to the method, 110m can be obtained²A concrete-based red roller-skate floor.

Example 6 preparation of blue roller skate floor layer for use on concrete substrate

the component A comprises: 11.5kg of Portland cement with the grade of 62.5, 21.5kg of sulfate cement with the grade of 52.5, 36kg of ceramic sand aggregate, 12kg of antistatic metal powder (the particle size is less than 80 mu m, New Tengchin materials Co., Ltd. in Hangzhou), 6kg of iron oxide blue, 3kg of silicon powder as an additive, 0.2kg of color retention agent, 1.3kg of sulfonated melamine formaldehyde condensate, 1.3kg of lauramide propyl dimethylamine caprolactone, 1.1kg of propyl dioleate acyloxy (dioctyl phosphate acyloxy) titanate, 1.6kg of toner (Shanghai Yizhiyu industries Co., Ltd.), 1.5kg of colorant (New county, Confucian Confuction pigments Co., Ltd.) and 3kg of AEA expanding agent, and the above substances are uniformly mixed to obtain 100kg of A component,

the component B comprises: 138.6kg of functional monomer modified styrene-acrylic, 79.2kg of silicone-acrylic emulsion, 39.6kg of polyether glycol, 12.54kg of polycaprolactone polyol-polyethyleneimine segmented copolymer, 13.2kg of polyurethane film forming agent, 4.95kg of defoaming agent (Changzhou ocean chemical industry Co., Ltd.) and 17.16kg of iron oxide blue; the modified organic siloxane paint comprises, by weight, 4.95kg of alkyl modified organic siloxane HP-81009.9kg, benzoic acid preservative and 9.9kg of stannous octoate catalyst.

In this example, the blue ceramic sand aggregate in component a was prepared by: firstly, crushing the blue pottery stones with impurities removed by using a turnover hammer mill, and screening to prepare 50kg pottery stone particles with the particle size of less than or equal to 300 mu m; secondly, adding 50kg of ceramic stone particles, 9kg of nano-scale iron oxide blue and 2.25kg of color retention agent (the mass ratio is 100:18:4.5) into a calcining furnace, calcining for 20 minutes at 800 ℃, and fully melting the nano-scale iron oxide blue and the color retention agent and permeating the ceramic stone particles; and then cooling the calcined pottery stone particles to room temperature, washing the pottery stone particles with water until the pottery stone particles have no edges and corners, drying the pottery stone particles, and screening the pottery stone particles to obtain 47kg of blue round-grained pottery stone particles with the grain size of 90-270 mu m, namely blue pottery sand aggregate.

In this example, the pretreatment method of the B component was as follows:

1) adding the functional monomer modified styrene-acrylic emulsion, the silicone-acrylic emulsion, the polyether glycol and the iron oxide blue into a reaction kettle according to the above amount, stirring at a high speed and mixing uniformly;

2) then adding the polyhexamethylene lactone polyol-polyethyleneimine segmented copolymer, the polyurethane film forming agent, the alkyl modified organosiloxane HP-8100, the stannous octoate catalyst and the benzoic acid preservative in the above amount, and repeatedly stirring for 3 hours at the temperature of 65 ℃; and

3) when the temperature in the reaction kettle is reduced to normal temperature, adding the defoaming agent into the reaction kettle, mixing and stirring uniformly without increasing the temperature; and (4) defoaming, packaging and discharging to obtain 330kg of pretreated component B.

When the blue roller skating ground surface layer is prepared on the basis of the concrete substrate, the concrete construction method comprises the following steps:

In step ii), 10kg of the pretreated B component was thoroughly mixed with 40kg of water (mass ratio 1:4) to prepare an aqueous solution of the pretreated B component, and then the aqueous solution of the pretreated B component was sprayed on the concrete substrate by spraying using an inorganic sprayer (German Wagner sprayer) in an amount of 0.40kg/m²A concrete base.

In step iii), 27.3kg of water was added to 273kg of pretreated B-component, followed by addition of 75kg of a-component (mass ratio of a-component to aqueous solution of pretreated B-component was 1: 4; in the aqueous solution of the pretreated B component, the mass ratio of the pretreated B component to water is 10:1), the mixture is uniformly mixed, and the mixture is subjected to middle coating for 3 times by scraping with a scraper, wherein the total dosage of the obtained mixture is 3.0kg/m²A concrete base.

In step iv), 4.5kg of water was added to 45.5kg of the pretreated B-component, followed by 12.5kg of a-component (mass ratio of a-component to aqueous solution of pretreated B-component was 1: 4; in the aqueous solution of the pretreated B component, the mass ratio of the pretreated B component to water was 10:1), and the mixture was subjected to 2-time top coating by roll coating, the total amount of the mixture used being 0.5kg/m²A concrete base.

After the construction according to the method, 125m can be obtained²Blue roller skate floor based on concrete base.

Example 7 Performance testing of a roller skate floor prepared with a ceramic sand composition of the present invention

The skid resistance performance of the roller-skating floor coverings prepared in examples 1 to 6 was tested and compared with a general acrylic floor, a cement mortar floor, and a silicon PU floor. Wherein the color is the visual observation of the finished product; the test of the compressive strength and the flexural strength is carried out according to the GB/T17671; the wear resistance is carried out according to the GB/T16925; the surface resistance is the antistatic performance, and the point-to-point resistance is tested according to the SJ/T10694-2006 standard; the surface strength is measured by a steel ball indentation method, the steel ball generates indentation on the surface of the material under the action of load, and the diameter of the indentation reflects the surface hardness of the material. The results of the experiment are shown in table 1.

TABLE 1

As can be seen from the above table, the ground surface of the roller skating prepared by the pottery sand composition of the invention has the safe anti-skidding function with uniform color and medium and high degree; under the high-speed friction of the ground, no static electricity is generated, and the antistatic performance meets the requirements of national relevant standards; the 28d compressive strength of the ground strength high material is more than 90Mpa, and can reach 105.5Mpa at most; the fracture resistance is 28 days, the lowest 15.5Mpa and the highest 20.7Mpa meet the national relevant standards; the wear resistance is more than 3 times of that of common acrylic acid and common cement mortar.

The above description is only for the preferred use case of the present invention patent, however, it should be appreciated that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and those skilled in the art should understand that: modifications may be made to the above-described embodiments, or equivalents may be substituted for some or all of the features thereof without departing from the spirit and scope of the present invention; the modifications or the substitutions do not make the essence of the response technical scheme depart from the scope of the technical scheme of the embodiments of the invention; it is therefore intended to cover in the appended claims all such alternatives and modifications that are within the scope of the invention.

Claims

1. A ceramic sand composition for preparing a ground layer of a roller skating ground, which comprises a component A and a component B, wherein,

2. The ceramic sand composition for preparing a ground layer of a roller skating floor as claimed in claim 1, wherein the component a comprises, in parts by mass: 2.8-3.5 parts of cement, 3.5-4.5 parts of ceramic sand aggregate, 1.0-1.5 parts of antistatic material, 0.3-0.7 part of pigment and 0.8-1.6 parts of additive.

3. The ceramic sand composition for preparing a roller skate floor finish of claim 1 wherein the additive is selected from one or more of silicon powder, color retention agent, water reducing agent, surfactant, coupling agent, color enhancer, colorant, swelling agent, pumping agent.

4. The ceramic sand composition for preparing a ground layer of a roller skate as claimed in claim 3, wherein the silicon powder is 0.2-0.4 part, the color retention agent is 0.01-0.003 part, the water reducing agent is 0.02-0.04 part, the surfactant is 0.02-0.04 part, the coupling agent is 0.10-0.12 part, the colorant is 0.08-0.12 part, the color enhancer is 0.15-0.18 part, the swelling agent is 0.1-0.3 part, and the pumping agent is 0.13-0.16 part by mass.

5. The ceramic sand composition for preparing the ground layer of the roller skating floor as claimed in claim 1, wherein the component B comprises the following components in parts by mass: 4.0-4.5 parts of styrene-acrylic emulsion, 2.5-3.0 parts of pure propylene, 1.0-1.5 parts of polyol, 0.2-0.5 part of dispersant, 0.3-0.5 part of film-forming agent, 0.1-0.2 part of defoaming agent and 0.5-1.0 part of pigment.

6. The composition of claim 1, wherein the B component further comprises one or more of a leveling agent, a coating preservative, and a coating catalyst.

7. The ceramic sand composition for preparing a floor surface of a roller skate as claimed in claim 6, wherein the leveling agent is 0.1-0.7 parts, the paint preservative is 0.1-0.3 parts, and the paint catalyst is 0.1-0.8 parts by mass.

8. A method of preparing a ceramic sand aggregate comprising the steps of:

9. A method of preparing a roller skate floor finish utilizing the ceramic sand composition of any of claims 1-8, comprising the steps of:

10. A roller-skating floor covering prepared from the ceramic sand composition as claimed in claims 1 to 8 or by the method as claimed in claim 9.