CN113105155B - Pressure-resistant highway concrete pavement waterproof material and preparation method thereof - Google Patents
Pressure-resistant highway concrete pavement waterproof material and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/10—Preparation or treatment, e.g. separation or purification
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/224—Oxides or hydroxides of lanthanides
- C01F17/235—Cerium oxides or hydroxides
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- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G35/00—Compounds of tantalum
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a pressure-resistant highway concrete pavement waterproof material, which comprises a component A and a component B, wherein the component A comprises diatomite, zinc oxide, magnesium oxide, sodium lignin sulfonate, calcium stearate, sodium phosphate and epoxy resin, and the component B comprises dicyclohexylmethane diisocyanate, methyl silicone oil, 4-bromobenzocyclobutene, ta-Ce composite oxide, gamma- (2, 3-epoxypropoxy) propyl trimethoxysilane and boron oxide. The concrete waterproof pavement prepared by the invention has good waterproof effect and is not easy to be damaged by water inflow; and has a certain compression-resistant effect, and generally has longer service life.
Description
Technical Field
The invention relates to the technical field of building construction materials, in particular to a pressure-resistant highway concrete pavement waterproof material and a preparation method thereof.
Background
The waterproof material is a very important functional material capable of preventing rainwater from penetrating into the pavement and corroding the pavement, and plays an important role in prolonging the service life of the pavement, ensuring the normal function of the pavement and meeting the use requirement and economy. In recent years, the waterproof material industry has developed rapidly, and many different types of waterproof materials have emerged. From the performance point of view, the common waterproof materials mainly comprise two main types of waterproof materials, namely flexible waterproof materials and rigid waterproof materials. From the aspect of the appearance of the material, waterproof materials commonly used in the market include waterproof coiled materials, waterproof coatings, sealing materials and the like. The waterproof coating is a waterproof material which is formed into a tough waterproof film on the surface of a substrate through evaporation of a solvent, evaporation of water or reaction solidification after the liquid polymer composite material or solid powder and a dissolved solvent are coated. According to the main component classification, the waterproof paint mainly comprises asphalt, high polymer modified asphalt, synthetic high polymer and cement.
Disclosure of Invention
The invention provides a pressure-resistant highway concrete pavement waterproof material, which comprises a component A and a component B, wherein the component A comprises diatomite, zinc oxide, magnesium oxide, sodium lignin sulfonate, calcium stearate, sodium phosphate and epoxy resin, and the component B comprises dicyclohexylmethane diisocyanate, methyl silicone oil, 4-bromobenzocyclobutene, ta-Ce composite oxide, gamma- (2, 3-epoxypropoxy) propyl trimethoxysilane and boron oxide.
Further, the preparation method of the Ta-Ce composite oxide comprises the following steps:
1) Preparing an ethanol solution of tantalum pentachloride and cerium chloride, adding ammonia water into the ethanol solution of tantalum pentachloride and cerium chloride in the stirring process until no precipitate is generated, filtering, and drying a solid phase in an environment of 90+/-5 ℃;
2) Calcining the dried powder at 500+/-10 ℃ for 1-2 hours, and air-cooling to normal temperature to obtain a solid phase A
3) Soaking the solid phase A in hydrogen peroxide, standing for 10-20 min, then carrying out solid-liquid separation, placing the solid phase in an aqueous solution of trimethyl phosphate and benzenesulfonic acid to form a mixture, placing the mixture in a closed container, heating to 120+/-5 ℃, preserving heat for 30-40 min, then carrying out air cooling to normal temperature, opening the container, carrying out solid-liquid separation on the mixture, washing the solid phase with deionized water, and drying to obtain the Ta-Ce composite oxide.
Further, the waterproof material comprises the following components in percentage by mass: component b=1:1 to 7; the component A comprises, by mass, 10-20 parts of diatomite, 2-8 parts of zinc oxide, 2-6 parts of magnesium oxide, 2-3 parts of sodium lignin sulfonate, 3-7 parts of calcium stearate, 10-14 parts of sodium phosphate and 8-13 parts of epoxy resin; the component B comprises 8-18 parts of dicyclohexylmethane diisocyanate, 5-10 parts of methyl silicone oil, 5-6 parts of 4-bromobenzocyclobutene, 6-10 parts of Ta-Ce composite oxide, 3-6 parts of gamma- (2, 3-glycidoxy) propyl trimethoxy silicon and 1-3 parts of boron oxide.
Further, in the ethanol solution of tantalum pentachloride and cerium chloride, the mass percentage of tantalum pentachloride is 3-5%, the mass percentage of cerium chloride is 1-4%, and the balance is ethanol; the mass percentage of the solute in the ammonia water is 20% -25%.
Further, the mass percentage of the solute in the hydrogen peroxide is 5% -10%; the solid-liquid mass ratio of the solid phase A immersed in hydrogen peroxide is 1:7.
Further, in the aqueous solution of trimethyl phosphate and benzenesulfonic acid, the concentration of trimethyl phosphate is 2-5 g/500mL, the concentration of benzenesulfonic acid is 6-10 g/500mL, and the balance is water; the solid phase was placed in an aqueous solution of trimethyl phosphate and benzenesulfonic acid to form a solid-liquid mass ratio of the mixture solid phase/liquid phase=1:6.
The invention also discloses a using method of the waterproof material, which comprises the following steps:
(1) Weighing the raw materials of the component A according to the parts by weight, and uniformly mixing the raw materials to obtain the component A;
(2) Weighing the raw materials of the component B according to the parts by weight, firstly uniformly mixing dicyclohexylmethane diisocyanate, methyl silicone oil, ta-Ce composite oxide and boron oxide, then adding the component A and concrete, uniformly stirring and mixing, finally keeping the temperature to 50+/-5 ℃, adding the rest raw materials of the component B in a stirring state, continuously stirring for 1-2 hours after the addition is finished, and then paving on a pavement by construction.
From the above technical scheme, the invention has the advantages that: the concrete waterproof pavement prepared by the invention has good waterproof effect and is not easy to be damaged by water inflow; and has a certain compression-resistant effect, and generally has longer service life.
Description of the embodiments
The following is a detailed description of embodiments:
a pressure-resistant highway concrete pavement waterproof material comprises an A component and a B component, wherein the A component comprises diatomite, zinc oxide, magnesium oxide, sodium lignin sulfonate, calcium stearate, sodium phosphate and epoxy resin, and the B component comprises dicyclohexylmethane diisocyanate, methyl silicone oil, 4-bromobenzocyclobutene, ta-Ce composite oxide, gamma- (2, 3-epoxypropoxy) propyl trimethoxysilane and boron oxide. The waterproof material comprises the following components in percentage by mass: component B = 1:1; the A component comprises, by mass, 10 parts of diatomite, 2 parts of zinc oxide, 2 parts of magnesium oxide, 2 parts of sodium lignin sulfonate, 3 parts of calcium stearate, 10 parts of sodium phosphate and 8 parts of epoxy resin; the component B comprises 8 parts of dicyclohexylmethane diisocyanate, 5 parts of methyl silicone oil, 5 parts of 4-bromobenzocyclobutene, 6 parts of Ta-Ce composite oxide, 3 parts of gamma- (2, 3-glycidoxy) propyl trimethoxy silicon and 1 part of boron oxide.
The preparation method of the Ta-Ce composite oxide comprises the following steps:
1) Preparing an ethanol solution of tantalum pentachloride and cerium chloride, wherein the mass percentage of the tantalum pentachloride is 3%, the mass percentage of the cerium chloride is 1%, and the balance is ethanol; and adding ammonia water into the ethanol solution of tantalum pentachloride and cerium chloride under the stirring condition of the speed of 60r/min until no precipitate is generated, wherein the mass percentage of solute in the ammonia water is 20%. Filtering, and drying the solid phase in the environment of 90+/-5 ℃;
2) Calcining the dried powder at 500+ -10deg.C for 1 hr, air cooling to room temperature to obtain solid phase A
3) Immersing the solid phase A in hydrogen peroxide, wherein the mass percentage of solute in the hydrogen peroxide is 5%, and the solid-liquid mass ratio of the solid phase A immersed in the hydrogen peroxide is solid phase A/hydrogen peroxide=1:7; standing for 10min, then carrying out solid-liquid separation, and placing the solid phase into an aqueous solution of trimethyl phosphate and benzenesulfonic acid to form a mixture, wherein the concentration of trimethyl phosphate in the aqueous solution of benzenesulfonic acid is 2g/500mL, the concentration of benzenesulfonic acid is 6g/500mL, and the balance is water; the solid phase was placed in an aqueous solution of trimethyl phosphate and benzenesulfonic acid to form a solid-liquid mass ratio of the mixture solid phase/liquid phase=1:6. And then placing the mixture into a closed container, heating to 120+/-5 ℃, preserving heat for 30min, then air-cooling to normal temperature, opening the container, separating solid from liquid of the mixture, washing the solid with deionized water, and drying to obtain the Ta-Ce composite oxide.
A pressure-resistant highway concrete pavement waterproof material comprises an A component and a B component, wherein the A component comprises diatomite, zinc oxide, magnesium oxide, sodium lignin sulfonate, calcium stearate, sodium phosphate and epoxy resin, and the B component comprises dicyclohexylmethane diisocyanate, methyl silicone oil, 4-bromobenzocyclobutene, ta-Ce composite oxide, gamma- (2, 3-epoxypropoxy) propyl trimethoxysilane and boron oxide. The waterproof material comprises the following components in percentage by mass: component B = 1:3; the A component comprises, by mass, 14 parts of diatomite, 4 parts of zinc oxide, 3 parts of magnesium oxide, 2 parts of sodium lignin sulfonate, 4 parts of calcium stearate, 12 parts of sodium phosphate and 10 parts of epoxy resin; the component B comprises, by mass, 10 parts of dicyclohexylmethane diisocyanate, 7 parts of methyl silicone oil, 5 parts of 4-bromobenzocyclobutene, 8 parts of Ta-Ce composite oxide, 4 parts of gamma- (2, 3-glycidoxy) propyl trimethoxy silicon and 2 parts of boron oxide.
The preparation method of the Ta-Ce composite oxide comprises the following steps:
1) Preparing an ethanol solution of tantalum pentachloride and cerium chloride, wherein the mass percentage of the tantalum pentachloride is 4%, the mass percentage of the cerium chloride is 2%, and the balance is ethanol; and adding ammonia water into the ethanol solution of tantalum pentachloride and cerium chloride under the stirring condition of the speed of 60r/min until no precipitate is generated, wherein the mass percentage of solute in the ammonia water is 20%. Filtering, and drying the solid phase in the environment of 90+/-5 ℃;
2) Calcining the dried powder at 500+ -10deg.C for 1 hr, air cooling to room temperature to obtain solid phase A
3) Immersing the solid phase A in hydrogen peroxide, wherein the mass percentage of solute in the hydrogen peroxide is 5%, and the solid-liquid mass ratio of the solid phase A immersed in the hydrogen peroxide is solid phase A/hydrogen peroxide=1:7; standing for 10min, then carrying out solid-liquid separation, and placing the solid phase into an aqueous solution of trimethyl phosphate and benzenesulfonic acid to form a mixture, wherein the concentration of trimethyl phosphate in the aqueous solution of trimethyl phosphate and benzenesulfonic acid is 3g/500mL, the concentration of benzenesulfonic acid is 8g/500mL, and the balance is water; the solid phase was placed in an aqueous solution of trimethyl phosphate and benzenesulfonic acid to form a solid-liquid mass ratio of the mixture solid phase/liquid phase=1:6. And then placing the mixture into a closed container, heating to 120+/-5 ℃, preserving heat for 30min, then air-cooling to normal temperature, opening the container, separating solid from liquid of the mixture, washing the solid with deionized water, and drying to obtain the Ta-Ce composite oxide.
A pressure-resistant highway concrete pavement waterproof material comprises an A component and a B component, wherein the A component comprises diatomite, zinc oxide, magnesium oxide, sodium lignin sulfonate, calcium stearate, sodium phosphate and epoxy resin, and the B component comprises dicyclohexylmethane diisocyanate, methyl silicone oil, 4-bromobenzocyclobutene, ta-Ce composite oxide, gamma- (2, 3-epoxypropoxy) propyl trimethoxysilane and boron oxide. The waterproof material comprises the following components in percentage by mass: component B = 1:5; the A component comprises, by mass, 16 parts of diatomite, 6 parts of zinc oxide, 4 parts of magnesium oxide, 3 parts of sodium lignin sulfonate, 6 parts of calcium stearate, 13 parts of sodium phosphate and 11 parts of epoxy resin; the component B comprises 16 parts of dicyclohexylmethane diisocyanate, 8 parts of methyl silicone oil, 6 parts of 4-bromobenzocyclobutene, 8 parts of Ta-Ce composite oxide, 5 parts of gamma- (2, 3-glycidoxy) propyl trimethoxy silicon and 2 parts of boron oxide.
The preparation method of the Ta-Ce composite oxide comprises the following steps:
1) Preparing an ethanol solution of tantalum pentachloride and cerium chloride, wherein the mass percentage of the tantalum pentachloride is 4%, the mass percentage of the cerium chloride is 3%, and the balance is ethanol; and adding ammonia water into the ethanol solution of tantalum pentachloride and cerium chloride under the stirring condition of the speed of 60r/min until no precipitate is generated, wherein the mass percentage of solute in the ammonia water is 20%. Filtering, and drying the solid phase in the environment of 90+/-5 ℃;
2) Calcining the dried powder at 500+ -10deg.C for 2h, air cooling to room temperature to obtain solid phase A
3) Immersing the solid phase A in hydrogen peroxide, wherein the mass percentage of solute in the hydrogen peroxide is 5%, and the solid-liquid mass ratio of the solid phase A immersed in the hydrogen peroxide is solid phase A/hydrogen peroxide=1:7; standing for 10min, then carrying out solid-liquid separation, and placing the solid phase into an aqueous solution of trimethyl phosphate and benzenesulfonic acid to form a mixture, wherein the concentration of trimethyl phosphate in the aqueous solution of trimethyl phosphate and benzenesulfonic acid is 4g/500mL, the concentration of benzenesulfonic acid is 8g/500mL, and the balance is water; the solid phase was placed in an aqueous solution of trimethyl phosphate and benzenesulfonic acid to form a solid-liquid mass ratio of the mixture solid phase/liquid phase=1:6. And then placing the mixture into a closed container, heating to 120+/-5 ℃, preserving heat for 30min, then air-cooling to normal temperature, opening the container, separating solid from liquid of the mixture, washing the solid with deionized water, and drying to obtain the Ta-Ce composite oxide.
A pressure-resistant highway concrete pavement waterproof material comprises an A component and a B component, wherein the A component comprises diatomite, zinc oxide, magnesium oxide, sodium lignin sulfonate, calcium stearate, sodium phosphate and epoxy resin, and the B component comprises dicyclohexylmethane diisocyanate, methyl silicone oil, 4-bromobenzocyclobutene, ta-Ce composite oxide, gamma- (2, 3-epoxypropoxy) propyl trimethoxysilane and boron oxide. The waterproof material comprises the following components in percentage by mass: component B = 1:7; the A component comprises 20 parts of diatomite, 8 parts of zinc oxide, 6 parts of magnesium oxide, 3 parts of sodium lignin sulfonate, 7 parts of calcium stearate, 14 parts of sodium phosphate and 13 parts of epoxy resin; the component B comprises 18 parts of dicyclohexylmethane diisocyanate, 10 parts of methyl silicone oil, 6 parts of 4-bromobenzocyclobutene, 10 parts of Ta-Ce composite oxide, 6 parts of gamma- (2, 3-glycidoxy) propyl trimethoxy silicon and 3 parts of boron oxide.
The preparation method of the Ta-Ce composite oxide comprises the following steps:
1) Preparing an ethanol solution of tantalum pentachloride and cerium chloride, wherein the mass percentage of the tantalum pentachloride is 5%, the mass percentage of the cerium chloride is 4%, and the balance is ethanol; and adding ammonia water into the ethanol solution of tantalum pentachloride and cerium chloride under the stirring condition of the speed of 60r/min until no precipitate is generated, wherein the mass percentage of solute in the ammonia water is 20%. Filtering, and drying the solid phase in the environment of 90+/-5 ℃;
2) Calcining the dried powder at 500+ -10deg.C for 2h, air cooling to room temperature to obtain solid phase A
3) Immersing the solid phase A in hydrogen peroxide, wherein the mass percentage of solute in the hydrogen peroxide is 5%, and the solid-liquid mass ratio of the solid phase A immersed in the hydrogen peroxide is solid phase A/hydrogen peroxide=1:7; standing for 10min, then carrying out solid-liquid separation, and placing the solid phase into an aqueous solution of trimethyl phosphate and benzenesulfonic acid to form a mixture, wherein the concentration of trimethyl phosphate in the aqueous solution of trimethyl phosphate and benzenesulfonic acid is 5g/500mL, the concentration of benzenesulfonic acid is 10g/500mL, and the balance is water; the solid phase was placed in an aqueous solution of trimethyl phosphate and benzenesulfonic acid to form a solid-liquid mass ratio of the mixture solid phase/liquid phase=1:6. And then placing the mixture into a closed container, heating to 120+/-5 ℃, preserving heat for 30min, then air-cooling to normal temperature, opening the container, separating solid from liquid of the mixture, washing the solid with deionized water, and drying to obtain the Ta-Ce composite oxide.
Comparative example 1
A pavement material comprising a component a and a component B, the component a comprising diatomaceous earth, zinc oxide, magnesium oxide, sodium lignin sulfonate, calcium stearate, sodium phosphate, and an epoxy resin, the component B comprising dicyclohexylmethane diisocyanate, methyl silicone oil, 4-bromobenzocyclobutene, an oxide of tantalum, gamma- (2, 3-glycidoxy) propyltrimethoxysilane, and boron oxide. The waterproof material comprises the following components in percentage by mass: component B = 1:3; the A component comprises, by mass, 14 parts of diatomite, 4 parts of zinc oxide, 3 parts of magnesium oxide, 2 parts of sodium lignin sulfonate, 4 parts of calcium stearate, 12 parts of sodium phosphate and 10 parts of epoxy resin; the component B comprises, by mass, 10 parts of dicyclohexylmethane diisocyanate, 7 parts of methyl silicone oil, 5 parts of 4-bromobenzocyclobutene, 8 parts of tantalum pentoxide, 4 parts of gamma- (2, 3-glycidoxy) propyl trimethoxy silicon and 2 parts of boron oxide.
Comparative example 2
A pavement material comprising a component a and a component B, the component a comprising diatomaceous earth, zinc oxide, magnesium oxide, sodium lignin sulfonate, calcium stearate, sodium phosphate, and an epoxy resin, the component B comprising dicyclohexylmethane diisocyanate, methyl silicone oil, 4-bromobenzocyclobutene, cerium oxide, gamma- (2, 3-glycidoxy) propyltrimethoxysilane, and boron oxide. The waterproof material comprises the following components in percentage by mass: component B = 1:3; the A component comprises, by mass, 14 parts of diatomite, 4 parts of zinc oxide, 3 parts of magnesium oxide, 2 parts of sodium lignin sulfonate, 4 parts of calcium stearate, 12 parts of sodium phosphate and 10 parts of epoxy resin; the component B comprises, by mass, 10 parts of dicyclohexylmethane diisocyanate, 7 parts of methyl silicone oil, 5 parts of 4-bromobenzocyclobutene, 8 parts of cerium oxide, 4 parts of gamma- (2, 3-glycidoxy) propyl trimethoxy silicon and 2 parts of boron oxide.
Comparative example 3
A pavement material comprising a component a and a component B, the component a comprising diatomaceous earth, zinc oxide, magnesium oxide, sodium lignin sulfonate, calcium stearate, sodium phosphate, and an epoxy resin, the component B comprising dicyclohexylmethane diisocyanate, methyl silicone oil, 4-bromobenzocyclobutene, ta-Ce composite oxide, gamma- (2, 3-glycidoxy) propyltrimethoxysilane, and boron oxide. The waterproof material comprises the following components in percentage by mass: component B = 1:3; the A component comprises, by mass, 14 parts of diatomite, 4 parts of zinc oxide, 3 parts of magnesium oxide, 2 parts of sodium lignin sulfonate, 4 parts of calcium stearate, 12 parts of sodium phosphate and 10 parts of epoxy resin; the component B comprises, by mass, 10 parts of dicyclohexylmethane diisocyanate, 7 parts of methyl silicone oil, 5 parts of 4-bromobenzocyclobutene, 8 parts of Ta-Ce composite oxide, 4 parts of gamma- (2, 3-glycidoxy) propyl trimethoxy silicon and 2 parts of boron oxide.
The preparation method of the Ta-Ce composite oxide comprises the following steps:
1) Preparing an ethanol solution of tantalum pentachloride and cerium chloride, wherein the mass percentage of the tantalum pentachloride is 4%, the mass percentage of the cerium chloride is 2%, and the balance is ethanol; and adding ammonia water into the ethanol solution of tantalum pentachloride and cerium chloride under the stirring condition of the speed of 60r/min until no precipitate is generated, wherein the mass percentage of solute in the ammonia water is 20%. Filtering, and drying the solid phase in the environment of 90+/-5 ℃;
2) And (3) calcining the dried powder for 1h at the temperature of 500+/-10 ℃, and air-cooling to normal temperature to obtain the Ta-Ce composite oxide in the comparative example.
The pavement materials prepared in the examples 1 to 4 and the comparative examples 1 to 3 were constructed and laid to form a pavement, and the method thereof was as follows:
(1) Weighing the raw materials of the component A according to the parts by weight of each example or comparative example, and uniformly mixing the raw materials to obtain the component A;
(2) Weighing the raw materials of the component B according to the parts by weight of each example or comparative example, firstly uniformly mixing dicyclohexylmethane diisocyanate, methyl silicone oil, ta-Ce composite oxide and boron oxide, then adding the component A and concrete (C30), stirring for 2 hours at 30r/min, uniformly mixing, finally keeping the temperature to 50+/-5 ℃, adding the rest raw materials of the component B in a stirring state at 30r/min, continuing stirring for 1 hour at 30r/min after the addition, and then constructing and paving on a test pavement according to a conventional mode. Wherein the mass ratio adopted in the embodiment is waterproof material (the mass sum of A component and B component): concrete=1:8. The test pavement was cured for 28 days under standard curing (temperature 20.+ -. 2 ℃ C., relative humidity 95% or more) conditions, and then the waterproof material layer (cut thickness 1.6 cm) on the test pavement was cut out, and the water permeability was measured, and the results are shown in Table 1. The water permeability testing method comprises the following steps: maintaining the pressure difference between the upper side pressure and the lower side pressure of the two sides of the material layer to be 0.3MPa, wherein water is added to the upper side every 10min, and the water adding amount is 100mL/dm 2 Testing for 1h, observing whether water drops from the lower side; no drippingI.e. impermeable to water.
The pavement material prepared in the above example 2 is constructed and laid to form a pavement, and the method comprises the following steps:
(1) Weighing all the raw materials of the component A according to the weight part of the embodiment 2, and uniformly mixing all the raw materials to obtain the component A;
(2) Weighing the raw materials of the component B according to the weight part of the embodiment 2, and uniformly mixing the raw materials to obtain the component B; and stirring the component A, the component B and the concrete (C30) for 2 hours uniformly, keeping the temperature to 50+/-5 ℃ at last, continuing to stir for 1 hour at 30r/min after the material addition is finished, and then constructing and paving on a test pavement in a conventional manner. Wherein the mass ratio adopted in the embodiment is waterproof material (the mass sum of A component and B component): concrete=1:8. The test pavement was cured for 28 days under standard curing (temperature 20.+ -. 2 ℃ C., relative humidity 95% or more) conditions, and then the waterproof material layer (cut thickness 1.6 cm) on the test pavement was cut out, and the water permeability was measured, and the results are shown in Table 1. The water permeability testing method comprises the following steps: maintaining the pressure difference between the upper side pressure and the lower side pressure of the two sides of the material layer to be 0.3MPa, wherein water is added to the upper side every 10min, and the water adding amount is 100mL/dm 2 Testing for 1h, observing whether water drops from the lower side; no dripping is water-proof.
TABLE 1
| Test set | Permeability to water |
| Example 1 | Waterproof |
| Example 2 | Waterproof |
| Example 3 | Waterproof |
| Example 4 | Waterproof |
| Comparative example 1 | Dripping after 32min |
| Comparative example 2 | Dripping after 26min |
| Comparative example 3 | Dripping after 35min |
| Example 6 | Dripping after 44min |
The concrete waterproof pavement prepared by the invention has good waterproof effect and is not easy to be damaged by water inflow; and has a certain compression-resistant effect, and generally has longer service life.
The foregoing detailed description of the embodiments of the present invention will be provided to those skilled in the art, and the detailed description and the examples should not be construed as limiting the invention.
Claims (5)
1. The pressure-resistant highway concrete pavement waterproof material is characterized by comprising a component A and a component B, wherein the mass ratio of the component A to the component B of the waterproof material is as follows: component b=1:1 to 7; the component A comprises, by mass, 10-20 parts of diatomite, 2-8 parts of zinc oxide, 2-6 parts of magnesium oxide, 2-3 parts of sodium lignin sulfonate, 3-7 parts of calcium stearate, 10-14 parts of sodium phosphate and 8-13 parts of epoxy resin; the component B comprises 8-18 parts of dicyclohexylmethane diisocyanate, 5-10 parts of methyl silicone oil, 5-6 parts of 4-bromobenzocyclobutene, 6-10 parts of Ta-Ce composite oxide, 3-6 parts of gamma- (2, 3-glycidoxy) propyl trimethoxy silicon and 1-3 parts of boron oxide;
the preparation method of the Ta-Ce composite oxide comprises the following steps:
1) Preparing an ethanol solution of tantalum pentachloride and cerium chloride, adding ammonia water into the ethanol solution of tantalum pentachloride and cerium chloride in the stirring process until no precipitate is generated, filtering, and drying a solid phase in an environment of 90+/-5 ℃;
2) Calcining the dried powder at 500+/-10 ℃ for 1-2 hours, and air-cooling to normal temperature to obtain a solid phase A
3) Soaking the solid phase A in hydrogen peroxide, standing for 10-20 min, then carrying out solid-liquid separation, placing the solid phase in an aqueous solution of trimethyl phosphate and benzenesulfonic acid to form a mixture, placing the mixture in a closed container, heating to 120+/-5 ℃, preserving heat for 30-40 min, then carrying out air cooling to normal temperature, opening the container, carrying out solid-liquid separation on the mixture, washing the solid phase with deionized water, and drying to obtain the Ta-Ce composite oxide.
2. The pressure-resistant highway concrete pavement waterproof material according to claim 1, wherein the ethanol solution of tantalum pentachloride and cerium chloride comprises 3-5% by mass of tantalum pentachloride, 1-4% by mass of cerium chloride and the balance ethanol; the mass percentage of the solute in the ammonia water is 20% -25%.
3. The pressure-resistant highway concrete pavement waterproof material according to claim 1, wherein the solute in the hydrogen peroxide is 5-10% by mass; the solid-liquid mass ratio of the solid phase A immersed in hydrogen peroxide is 1:7.
4. The pressure-resistant highway concrete pavement waterproof material according to claim 1, wherein the concentration of trimethyl phosphate and benzenesulfonic acid in the aqueous solution is 2-5 g/500mL, the concentration of benzenesulfonic acid is 6-10 g/500mL, and the balance is water; the solid phase was placed in an aqueous solution of trimethyl phosphate and benzenesulfonic acid to form a solid-liquid mass ratio of the mixture solid phase/liquid phase=1:6.
5. The method of using a waterproof material as claimed in any one of claims 1 to 4, comprising the steps of:
(1) Weighing the raw materials of the component A according to the parts by weight, and uniformly mixing the raw materials to obtain the component A;
(2) Weighing the raw materials of the component B according to the parts by weight, firstly uniformly mixing dicyclohexylmethane diisocyanate, methyl silicone oil, ta-Ce composite oxide and boron oxide, then adding the component A and concrete, uniformly stirring and mixing, finally keeping the temperature to 50+/-5 ℃, adding the rest raw materials of the component B in a stirring state, continuously stirring for 1-2 hours after the addition is finished, and then paving on a pavement by construction.
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