CN108409232A - It is a kind of to be used to build water conservation seepy material of sponge urban pavement and preparation method thereof - Google Patents

It is a kind of to be used to build water conservation seepy material of sponge urban pavement and preparation method thereof Download PDF

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CN108409232A
CN108409232A CN201810213813.7A CN201810213813A CN108409232A CN 108409232 A CN108409232 A CN 108409232A CN 201810213813 A CN201810213813 A CN 201810213813A CN 108409232 A CN108409232 A CN 108409232A
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不公告发明人
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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
    • C04B28/02—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 containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/023—Chemical treatment
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/38—Polysaccharides or derivatives thereof
    • C04B24/383—Cellulose or derivatives thereof
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/05—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur
    • C08B15/06—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur containing nitrogen, e.g. carbamates
    • 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
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00284—Materials permeable to liquids
    • 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
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

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  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention discloses a kind of for building the water conservation seepy material of sponge urban pavement, including modified concrete, and doped with water suction additive in the modified concrete, modified concrete includes following raw material：Aqueous polyurethane acrylate, triaryl methane phthalide type temperature sensing material, nano silicon dioxide, ethylene vinyl acetate copolymer, enuatrol, tetradecyl alchohol, nanometer aluminium powder, dopamine solution, ethyl orthosilicate, citric acid solution, portland cement, yellow sand, calcium silicates, clay, flyash, gangue, water, calcium lignosulfonate, silane coupling agent, diatomite, water suction additive includes following raw material：Silicon tetrachloride, ether, sodium ethoxide, carboxymethyl cellulose, sodium hydroxide, benzyl amide, cumyl peroxide, azobisisobutyronitrile.The present invention also provides a kind of preparation methods for building the water conservation seepy material of sponge urban pavement.The present invention solves the problems, such as that existing concrete material water permeability is poor.

Description

It is a kind of to be used to build water conservation seepy material of sponge urban pavement and preparation method thereof
Technical field
It is specially a kind of for building sponge urban pavement the present invention relates to sponge urban construction field of material technology It is retained seepy material and preparation method thereof.
Background technology
Sponge city is new generation of city storm water man- agement concept, refers to that city is adapting to environmental change and reply rainwater band Natural calamity come etc. has good " elasticity ", also referred to as " water elasticity city ".International term is " low shadow Ring exploitation storm-water system structure ".Water suction, water storage, infiltration, water purification when raining, by the water stored " release " and are subject to profit when needing With.Therefore, it not only needs that there is higher compressive property for building the material on sponge municipal highway road surface, but also needs to have higher Water permeability.
Currently, concrete material is because its material source is extensive, and has higher intensity and durability, now by as building If the main of highway pavement uses material.
But the water penetration of existing concrete material is poor, is not suitable for the highway pavement for building sponge city.Cause This, is badly in need of a kind of not only with excellent compressive property but also public for building sponge city with excellent water permeability now The seepy material on road road surface.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of water conservation seepy materials for building sponge urban pavement And preparation method thereof, have significantly increase compression strength and flexural strength, significantly increase effective target porosity with it is permeable The advantages that coefficient, solves existing concrete material due to effective target porosity skill that is low, and causing water permeability poor Art problem.
(2) technical solution
It above-mentioned significantly improve compression strength and flexural strength to realize, significantly improve effective target porosity and coefficient of permeability Purpose, the present invention provides the following technical solutions：
A kind of water conservation seepy material for building sponge urban pavement, including modified concrete, which is characterized in that described Doped with water suction additive in modified concrete；
The modified concrete includes the raw material of following parts by weight proportioning：15-20 parts of aqueous polyurethane acrylate, three Fragrant 8-10 parts of methane phthalide type temperature sensing material, 3-5 parts of nano silicon dioxide, the ethene-vinyl acetate that average grain diameter is 30-40nm 2-5 parts of ester copolymer, 0.5-1 parts of enuatrol, 50-60 parts of tetradecyl alchohol, 10-15 parts of nanometer aluminium powder, mass concentration are 5g/L DOPA 20-30 parts of amine aqueous solution, 120-150 parts of deionized water, 15-20 parts of ethyl orthosilicate, 20-40 parts of absolute ethyl alcohol, mass fraction are 25-30 parts of 50-60 parts of 10-20 parts of 2-5 parts of citric acid solution, portland cement, yellow sand, calcium silicates, the clay 5-8 of 8-10% Part, 10-20 parts of flyash, 10-15 parts of gangue, water 10-12, calcium lignosulfonate 20-25, silane resin acceptor kh-550 20- 30 parts, 6-8 parts of diatomite；
The water suction additive includes the raw material of following parts by weight proportioning：2-5 parts of silicon tetrachloride, 10-20 parts of ether, nothing 10-15 parts of water-ethanol, 6-8 parts of sodium ethoxide, 15-20 parts of deionized water, 1-2 parts of the hydrochloric acid solution that mass concentration is 5%, carboxymethyl 8-12 parts of cellulose, 2-5 parts of sodium hydroxide, 5-8 parts of benzyl amide, 10-15 parts of cumyl peroxide, polytetrafluoroethylene (PTFE) 50-60 parts, 5-8 parts of azobisisobutyronitrile；
The apparent density of the water conservation seepy material is 1869-2065kg/m3, 28d compression strength is 34.94- 38.69MPa, flexural strength 5.15-7.02MPa, coefficient of permeability 15.1-18.3mm/s, effective target porosity are 18.11%-22.08%.
Preferably, the portland cement is Portland fly ash cement, specific surface area 450m2/kg。
Preferably, the apparent density of the water conservation seepy material is 2065kg/m3, 28d compression strength is 38.69MPa, is resisted Folding intensity is 7.02MPa, and coefficient of permeability 18.3mm/s, effective target porosity is 20.87%.
Preferably, the modified concrete includes the raw material of following parts by weight proportioning：Aqueous polyurethane acrylate 18 Part, 4 parts of nano silicon dioxide, the ethylene-vinyl acetate that 9 parts of triaryl methane phthalide type temperature sensing material, average grain diameter are 35nm 3 parts of copolymer, 0.8 part of enuatrol, 55 parts of tetradecyl alchohol, 12 parts of nanometer aluminium powder, mass concentration are 25 parts of 5g/L dopamine solutions, go 150 parts of ionized water, 18 parts of ethyl orthosilicate, 30 parts of absolute ethyl alcohol, 4 parts of the citric acid solution that mass fraction is 9%, silicate cement 15 parts of mud, 55 parts of yellow sand, 28 parts of calcium silicates, 6 parts of clay, 15 parts of flyash, 12 parts of gangue, water 11, calcium lignosulfonate 23, 25 parts of silane resin acceptor kh-550,7 parts of diatomite.
Preferably, the water suction additive includes the raw material of following parts by weight proportioning：3 parts of silicon tetrachloride, 15 parts of ether, 12 parts of absolute ethyl alcohol, 7 parts of sodium ethoxide, 35 parts of deionized water, hydrochloric acid solution 1.5 part, carboxymethyl cellulose of the mass concentration for 5% 10 parts, 3 parts of sodium hydroxide, 6 parts of benzyl amide, 12 parts of cumyl peroxide, 55 parts of polytetrafluoroethylene (PTFE), azobisisobutyronitrile 6 parts.
Another technical problem to be solved by the present invention is that providing a kind of water conservation pervious material for building sponge urban pavement The preparation method of material, includes the following steps：
1) preparation of modified concrete
(1) by the triaryl methane phthalide type sense of the aqueous polyurethane acrylate lotion of 15-20 mass parts, 8-10 mass parts Adiabator, 3-5 mass parts average grain diameter be the nano silicon dioxide of 30-40nm, 2-5 mass parts ethylene-vinyl acetate Copolymer, 0.5-1 mass parts enuatrol be added in the tetradecyl alchohol solvent of 50-60 mass parts, at room temperature, be stirred It is even, temperature-sensitive mixture is made；
(2) mass concentration that the nanometer aluminium powder of 10-15 mass parts is added to 20-30 mass parts is 5g/L dopamine solutions In, it then moves on to digital display and tests the speed in constant temperature blender with magnetic force, be 35 DEG C in temperature, under the conditions of rotating speed is 450r/min, heating is stirred After mixing mixing 60-80min, filtering obtains filter cake, then washs filter cake with the deionized water of 30-50 mass parts, then will be after washing Filter cake be placed in vacuum drying chamber, dry 50-70min obtains dry cake；
(3) filter cake made from step (2) is added in three-necked flask, by the ethyl orthosilicate and 10-20 of 15-20 mass parts The absolute ethyl alcohol of mass parts and the deionized water of 30-40 mass parts are added in three-necked flask, then move into three-necked flask Digital display tests the speed constant temperature blender with magnetic force, is 50-60 DEG C in temperature, under conditions of rotating speed is 650r/min, is stirred 40- 60min, then the anhydrous ethanol solvent of 10-20 mass parts is added dropwise to three mouthfuls by dropping funel dropwise with the rate of 1-2ml/min In flask, while the mass fraction of 2-5 mass parts is added dropwise as 8-10%'s by dropping funel dropwise with the rate of 2-3ml/min It in citric acid solution to three-necked flask, waits for that ethanol solution and citric acid solution are all added dropwise, is 60-80 DEG C in temperature, rotating speed To continue to be stirred 40min under conditions of 650r/min, gained mixed liquor is then filtered, obtains filter residue by obtained mixed liquor, then Gained filter residue is washed with the deionized water of 10-20 mass parts, then filter residue is placed in vacuum drying chamber dry 60-80min, i.e., Obtain modified Nano aluminium powder；
(4) by the portland cements of modified Nano aluminium powder made from step (3) and 10-20 mass parts, 50-60 mass parts The coal of yellow sand, the calcium silicates of 25-30 mass parts, the clay of 5-8 mass parts, the flyash of 10-20 mass parts, 10-15 mass parts The silane resin acceptor kh-550 of spoil, the water of 10-12 mass parts, the calcium lignosulfonate of 20-25 mass parts, 20-30 mass parts It sequentially adds in batch mixer, high-speed stirred 20-30min under conditions of rotating speed is 800-1000r/min, then adds into batch mixer The diatomite for entering 6-8 mass parts continues high-speed stirred 80-100min to get changing under conditions of rotating speed is 800-1000r/min Property concrete；
2) preparation of water suction additive
(1) in the 1000mL three-necked flasks equipped with reflux condenser, mechanical agitator and dropping funel, 2-5 matter is added The ether for measuring the silicon tetrachloride and 10-20 mass parts of part is placed in cooling in ice bath, the nothing of 10-15 mass parts is added dropwise under stiring Water-ethanol is heated to reflux 3-4h in water-bath after adding, after cooling, the sodium ethoxide that 6-8 mass parts are added is neutralized to neutrality, then It after first steaming ether in water-bath, is fractionated, tetraethyl orthosilicate is made；
(2) tetraethyl orthosilicate made from step (1) is added in beaker, going for 15-20 mass parts is added into beaker Ionized water is stirred the hydrochloric acid solution for being subsequently added into that the mass concentration of 1-2 mass parts is 5%, is placed in magnetic stirring apparatus Ludox is made in upper stirring 2-3h；
(3) carboxymethyl cellulose of 8-12 mass parts is added in the three-necked flask that magnetic stirring apparatus, thermometer are housed, Then ultrasonic oscillation handles 2h, is then passed through N at 80 DEG C to the sodium hydroxide of addition 2-5 mass parts in three mouthfuls of beakers2, At the uniform velocity magnetic agitation 90min, makes cellulose fully activate；
(4) the benzyl amide of 5-8 mass parts is added in the deionized water of 15-20 mass parts, magnetic agitation is to complete Fully dissolved, the benzyl amide solution being completely dissolved is added in the three-necked flask in step (3), and infrared processing 2h is opened simultaneously It opens magnetic agitation and obtains carboxyethyl cellulose-benzyl amide copolymer；
(5) Ludox made from step (2) is added to carboxyethyl cellulose-benzyl amide copolymer of step (4) In, magnetic agitation handles 1h at room temperature, and the cumyl peroxide of 10-15 mass parts is added, is shifted after being uniformly mixed To in the reaction kettle of the polytetrafluoroethylene (PTFE) with 50-60 mass parts, 260 DEG C are raised to the heating rate of 15 DEG C/min, in helium 4h is reacted under atmosphere, is transferred in beaker after reaction, the azobisisobutyronitrile of 5-8 mass parts is added, then magnetic agitation 2h is then transferred into microwave reactor after magnetic agitation, under nitrogen atmosphere microwave reaction 2h, after microwave reaction It takes out product and finally obtains water suction additive；
3) step 2) water suction additive obtained is added in modified concrete made from step 1), is heated to 50-60 DEG C, After being uniformly mixed, 30-40min is kept the temperature, room temperature is naturally cooled to, obtains water conservation seepy material.
(3) advantageous effect
Compared with prior art, the present invention provides it is a kind of for build sponge urban pavement water conservation seepy material and its Preparation method has following advantageous effect：
1, the water conservation seepy material is mixed by being modified obtained modified concrete to concrete in modified concrete Miscellaneous to have water suction additive, to prepare water conservation seepy material, the apparent density of the water conservation seepy material is 1869-2065kg/ m3, 28d compression strength is 34.94-38.69MPa, flexural strength 5.15-7.02MPa, coefficient of permeability 15.1- 18.3mm/s, effective target porosity be 18.11%-22.08%, water conservation seepy material of the invention significantly increase it is mixed While coagulating the compression strength of soil with flexural strength performance, the effective target porosity of concrete is considerably improved, to aobvious The water conservation water permeability that ground improves concrete is write, solves existing concrete material since effective target porosity is low, and is led The technical problem for causing water permeability poor.
2, then the preparation method of the water conservation seepy material is existed by preparing modified concrete and absorbing additives respectively When 50-60 DEG C of temperature, modified concrete and absorbing additives are doped, are followed by stirring for after mixing, keeping the temperature 30- 40min naturally cools to room temperature, and water conservation seepy material is made, using the guarantor of the water conservation seepy material prepared by the preparation method Water water permeability all has with compression strength and flexural strength and significantly increases.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
Embodiment one：
(1) by the triaryl methane phthalide type temperature-sensitive material of the aqueous polyurethane acrylate lotion of 15 mass parts, 8 mass parts Expect, the average grain diameter of 3 mass parts is the nano silicon dioxide of 30nm, the ethylene-vinyl acetate copolymer of 2 mass parts, 0.5 matter The enuatrol of amount part is added in the tetradecyl alchohol solvent of 50 mass parts, at room temperature, is uniformly mixed, and temperature-sensitive mixing is made Object；
(2) in 5g/L dopamine solutions, then the mass concentration that the nanometer aluminium powder of 10 mass parts is added to 20 mass parts is It moves on to digital display to test the speed in constant temperature blender with magnetic force, is 35 DEG C in temperature, under the conditions of rotating speed is 450r/min, heating stirring mixing After 60min, filtering obtains filter cake, then washs filter cake with the deionized water of 30 mass parts, then the filter cake after washing is placed in very In empty drying box, dry 50min obtains dry cake；
(3) filter cake made from step (2) is added in three-necked flask, by the ethyl orthosilicate of 15 mass parts and 10 mass parts Absolute ethyl alcohol and the deionized waters of 30 mass parts be added in three-necked flask, then three-necked flask immigration digital display is tested the speed perseverance Warm magnetic stirring apparatus is 50 DEG C in temperature, under conditions of rotating speed is 650r/min, is stirred 40min, then pass through dropping funel Be added dropwise dropwise with the rate of 1ml/min in the anhydrous ethanol solvent to three-necked flask of 10 mass parts, at the same by dropping funel with In the citric acid solution to three-necked flask that the mass fraction that 2 mass parts are added dropwise in the rate of 2ml/min dropwise is 8%, wait for that ethyl alcohol is molten Liquid and citric acid solution are all added dropwise, and are 60 DEG C in temperature, rotating speed continues to be stirred under conditions of being 650r/min 40min is made mixed liquor, then filters gained mixed liquor, obtains filter residue, then by the gained filter residue deionized water of 10 mass parts Washing, then filter residue is placed in vacuum drying chamber dry 60min to get modified Nano aluminium powder；
(4) by modified Nano aluminium powder made from step (3) and the portland cement of 10 mass parts, 50 mass parts yellow sand, The calcium silicates of 25 mass parts, the clay of 5 mass parts, the flyash of 10 mass parts, the gangue of 10 mass parts, 10 mass parts Water, the calcium lignosulfonate of 20 mass parts, 20 mass parts silane resin acceptor kh-550 sequentially add in batch mixer, be in rotating speed High-speed stirred 20min under conditions of 800r/min, then the diatomite of 6 mass parts is added into batch mixer, it is 800r/ in rotating speed Continue high-speed stirred 80min under conditions of min to get modified concrete；
(5) in the 1000mL three-necked flasks equipped with reflux condenser, mechanical agitator and dropping funel, 2 mass are added The ether of the silicon tetrachloride and 10 mass parts of part is placed in cooling in ice bath, the absolute ethyl alcohol of 10 mass parts is added dropwise under stiring, adds 3h is heated to reflux after complete in water-bath, after cooling, the sodium ethoxide that 6 mass parts are added is neutralized to neutrality, is then first steamed in water-bath It after going out ether, is fractionated, tetraethyl orthosilicate is made；
(6) tetraethyl orthosilicate made from step (5) is added in beaker, the deionization of 15 mass parts is added into beaker Water is stirred the hydrochloric acid solution for being subsequently added into that the mass concentration of 1 mass parts is 5%, is placed on magnetic stirring apparatus and stirs Ludox is made in 2h；
(7) carboxymethyl cellulose of 8 mass parts is added in the three-necked flask that magnetic stirring apparatus, thermometer are housed, so Ultrasonic oscillation handles 2h afterwards, is then passed through N at 80 DEG C to the sodium hydroxide that 2 mass parts are added in three mouthfuls of beakers2, at the uniform velocity Magnetic agitation 90min, makes cellulose fully activate；
(8) the benzyl amide of 5 mass parts is added in the deionized water of 15 mass parts, magnetic agitation to completely it is molten Solution, the benzyl amide solution being completely dissolved is added in the three-necked flask in step (7), infrared processing 2h, while opening magnetic Power stirs to get carboxyethyl cellulose-benzyl amide copolymer；
(9) Ludox made from step (6) is added to carboxyethyl cellulose-benzyl amide copolymer of step (8) In, magnetic agitation handles 1h at room temperature, and the cumyl peroxide of 10 mass parts is added, tool is transferred to after being uniformly mixed In the reaction kettle for having the polytetrafluoroethylene (PTFE) of 50 mass parts, 260 DEG C are raised to the heating rate of 15 DEG C/min, it is anti-under helium atmosphere 4h is answered, is transferred in beaker after reaction, the azobisisobutyronitrile of 5 mass parts is added, then magnetic agitation 2h, magnetic agitation After be then transferred into microwave reactor, microwave reaction 2h under nitrogen atmosphere takes out product most after microwave reaction Water suction additive is obtained eventually；
(10) step (9) water suction additive obtained is added in modified concrete made from step (4), is heated to 50 DEG C, after being uniformly mixed, 30min is kept the temperature, room temperature is naturally cooled to, obtains water conservation seepy material.
Embodiment two：
(1) by the triaryl methane phthalide type temperature-sensitive material of the aqueous polyurethane acrylate lotion of 18 mass parts, 9 mass parts Expect, the average grain diameter of 4 mass parts is the nano silicon dioxide of 35nm, the ethylene-vinyl acetate copolymer of 3 mass parts, 0.8 matter The enuatrol of amount part is added in the tetradecyl alchohol solvent of 55 mass parts, at room temperature, is uniformly mixed, and temperature-sensitive mixing is made Object；
(2) in 5g/L dopamine solutions, then the mass concentration that the nanometer aluminium powder of 12 mass parts is added to 25 mass parts is It moves on to digital display to test the speed in constant temperature blender with magnetic force, is 35 DEG C in temperature, under the conditions of rotating speed is 450r/min, heating stirring mixing After 70min, filtering obtains filter cake, then washs filter cake with the deionized water of 40 mass parts, then the filter cake after washing is placed in very In empty drying box, dry 60min obtains dry cake；
(3) filter cake made from step (2) is added in three-necked flask, by the ethyl orthosilicate of 18 mass parts and 15 mass parts Absolute ethyl alcohol and the deionized waters of 35 mass parts be added in three-necked flask, then three-necked flask immigration digital display is tested the speed perseverance Warm magnetic stirring apparatus is 55 DEG C in temperature, under conditions of rotating speed is 650r/min, is stirred 50min, then pass through dropping funel It is added dropwise dropwise with the rate of 1.5ml/min in the anhydrous ethanol solvent to three-necked flask of 15 mass parts, while passing through dropping funel It is added dropwise dropwise with the rate of 2.5ml/min in the citric acid solution to three-necked flask that the mass fraction of 4 mass parts is 9%, waits for second Alcoholic solution and citric acid solution are all added dropwise, and are 70 DEG C in temperature, rotating speed continues to be stirred under conditions of being 650r/min 40min is made mixed liquor, then filters gained mixed liquor, obtains filter residue, then by the gained filter residue deionized water of 15 mass parts Washing, then filter residue is placed in vacuum drying chamber dry 70min to get modified Nano aluminium powder；
(4) by modified Nano aluminium powder made from step (3) and the portland cement of 15 mass parts, 55 mass parts yellow sand, The calcium silicates of 28 mass parts, the clay of 6 mass parts, the flyash of 15 mass parts, the gangue of 12 mass parts, 11 mass parts Water, the calcium lignosulfonate of 23 mass parts, 25 mass parts silane resin acceptor kh-550 sequentially add in batch mixer, be in rotating speed High-speed stirred 25min under conditions of 900r/min, then the diatomite of 7 mass parts is added into batch mixer, it is 900r/ in rotating speed Continue high-speed stirred 90min under conditions of min to get modified concrete；
(5) in the 1000mL three-necked flasks equipped with reflux condenser, mechanical agitator and dropping funel, 3 mass are added The ether of the silicon tetrachloride and 15 mass parts of part is placed in cooling in ice bath, the absolute ethyl alcohol of 12 mass parts is added dropwise under stiring, adds 3.5h is heated to reflux after complete in water-bath, after cooling, the sodium ethoxide that 7 mass parts are added is neutralized to neutrality, then in water-bath first It after steaming ether, is fractionated, tetraethyl orthosilicate is made；
(6) tetraethyl orthosilicate made from step (5) is added in beaker, the deionization of 18 mass parts is added into beaker Water is stirred the hydrochloric acid solution for being subsequently added into that the mass concentration of 1.5 mass parts is 5%, is placed on magnetic stirring apparatus and stirs 2.5h is mixed, Ludox is made
(7) carboxymethyl cellulose of 10 mass parts is added in the three-necked flask that magnetic stirring apparatus, thermometer are housed, so Ultrasonic oscillation handles 2h afterwards, is then passed through N at 80 DEG C to the sodium hydroxide that 3 mass parts are added in three mouthfuls of beakers2, at the uniform velocity Magnetic agitation 90min, makes cellulose fully activate；
(8) the benzyl amide of 6 mass parts is added in the deionized water of 17 mass parts, magnetic agitation to completely it is molten Solution, the benzyl amide solution being completely dissolved is added in the three-necked flask in step (7), infrared processing 2h, while opening magnetic Power stirs to get carboxyethyl cellulose-benzyl amide copolymer；
(9) Ludox made from step (6) is added to carboxyethyl cellulose-benzyl amide copolymer of step (8) In, magnetic agitation handles 1h at room temperature, and the cumyl peroxide of 12 mass parts is added, tool is transferred to after being uniformly mixed In the reaction kettle for having the polytetrafluoroethylene (PTFE) of 55 mass parts, 260 DEG C are raised to the heating rate of 15 DEG C/min, it is anti-under helium atmosphere 4h is answered, is transferred in beaker after reaction, the azobisisobutyronitrile of 6 mass parts is added, then magnetic agitation 2h, magnetic agitation After be then transferred into microwave reactor, microwave reaction 2h under nitrogen atmosphere takes out product most after microwave reaction Water suction additive is obtained eventually；
(10) step (9) water suction additive obtained is added in modified concrete made from step (4), is heated to 55 DEG C, after being uniformly mixed, 35min is kept the temperature, room temperature is naturally cooled to, obtains water conservation seepy material.
Embodiment three：
(1) by the triaryl methane phthalide type temperature-sensitive material of the aqueous polyurethane acrylate lotion of 20 mass parts, 10 mass parts Expect, the average grain diameter of 5 mass parts is the nano silicon dioxide of 40nm, the ethylene-vinyl acetate copolymer of 5 mass parts, 1 mass The enuatrol of part is added in the tetradecyl alchohol solvent of 60 mass parts, at room temperature, is uniformly mixed, and temperature-sensitive mixture is made；
(2) in 5g/L dopamine solutions, then the mass concentration that the nanometer aluminium powder of 15 mass parts is added to 30 mass parts is It moves on to digital display to test the speed in constant temperature blender with magnetic force, is 35 DEG C in temperature, under the conditions of rotating speed is 450r/min, heating stirring mixing After 80min, filtering obtains filter cake, then washs filter cake with the deionized water of 50 mass parts, then the filter cake after washing is placed in very In empty drying box, dry 70min obtains dry cake；
(3) filter cake made from step (2) is added in three-necked flask, by the ethyl orthosilicate of 20 mass parts and 20 mass parts Absolute ethyl alcohol and the deionized waters of 40 mass parts be added in three-necked flask, then three-necked flask immigration digital display is tested the speed perseverance Warm magnetic stirring apparatus is 60 DEG C in temperature, under conditions of rotating speed is 650r/min, is stirred 60min, then pass through dropping funel Be added dropwise dropwise with the rate of 2ml/min in the anhydrous ethanol solvent to three-necked flask of 20 mass parts, at the same by dropping funel with In the citric acid solution to three-necked flask that the mass fraction that 5 mass parts are added dropwise in the rate of 3ml/min dropwise is 10%, wait for that ethyl alcohol is molten Liquid and citric acid solution are all added dropwise, and are 80 DEG C in temperature, rotating speed continues to be stirred under conditions of being 650r/min 40min is made mixed liquor, then filters gained mixed liquor, obtains filter residue, then by gained filter residue 10-20 mass parts go from Sub- water washing, then filter residue is placed in vacuum drying chamber dry 80min to get modified Nano aluminium powder；
(4) by modified Nano aluminium powder made from step (3) and the portland cement of 20 mass parts, 60 mass parts yellow sand, The calcium silicates of 30 mass parts, the clay of 8 mass parts, the flyash of 20 mass parts, the gangue of 15 mass parts, 12 mass parts Water, the calcium lignosulfonate of 25 mass parts, 30 mass parts silane resin acceptor kh-550 sequentially add in batch mixer, be in rotating speed High-speed stirred 30min under conditions of 1000r/min, then the diatomite of 8 mass parts is added into batch mixer, it is 1000r/ in rotating speed Continue high-speed stirred 100min under conditions of min to get modified concrete；
(5) in the 1000mL three-necked flasks equipped with reflux condenser, mechanical agitator and dropping funel, 5 mass are added The ether of the silicon tetrachloride and 20 mass parts of part is placed in cooling in ice bath, the absolute ethyl alcohol of 15 mass parts is added dropwise under stiring, adds 4h is heated to reflux after complete in water-bath, after cooling, the sodium ethoxide that 8 mass parts are added is neutralized to neutrality, is then first steamed in water-bath It after going out ether, is fractionated, tetraethyl orthosilicate is made；
(6) tetraethyl orthosilicate made from step (5) is added in beaker, the deionization of 20 mass parts is added into beaker Water is stirred the hydrochloric acid solution for being subsequently added into that the mass concentration of 2 mass parts is 5%, is placed on magnetic stirring apparatus and stirs Ludox is made in 3h
(7) carboxymethyl cellulose of 12 mass parts is added in the three-necked flask that magnetic stirring apparatus, thermometer are housed, so Ultrasonic oscillation handles 2h afterwards, is then passed through N at 80 DEG C to the sodium hydroxide that 5 mass parts are added in three mouthfuls of beakers2, at the uniform velocity Magnetic agitation 90min, makes cellulose fully activate；
(8) the benzyl amide of 8 mass parts is added in the deionized water of 20 mass parts, magnetic agitation to completely it is molten Solution, the benzyl amide solution being completely dissolved is added in the three-necked flask in step (7), infrared processing 2h, while opening magnetic Power stirs to get carboxyethyl cellulose-benzyl amide copolymer；
(9) Ludox made from step (6) is added to carboxyethyl cellulose-benzyl amide copolymer of step (8) In, magnetic agitation handles 1h at room temperature, and the cumyl peroxide of 15 mass parts is added, tool is transferred to after being uniformly mixed In the reaction kettle for having the polytetrafluoroethylene (PTFE) of 60 mass parts, 260 DEG C are raised to the heating rate of 15 DEG C/min, it is anti-under helium atmosphere 4h is answered, is transferred in beaker after reaction, the azobisisobutyronitrile of 8 mass parts is added, then magnetic agitation 2h, magnetic agitation After be then transferred into microwave reactor, microwave reaction 2h under nitrogen atmosphere takes out product most after microwave reaction Water suction additive is obtained eventually；
(10) step (9) water suction additive obtained is added in modified concrete made from step (4), is heated to 60 DEG C, after being uniformly mixed, 40min is kept the temperature, room temperature is naturally cooled to, obtains water conservation seepy material.
Experimental example：First subtract capacity tube quality according to the gross mass of capacity tube and sample, then divided by capacity tube volume survey The apparent density of method for testing testing example one, embodiment two and the water conservation seepy material of embodiment three, test result are shown in Table 1；
According to GB/T50081-2002《Standard for test methods of mechanical properties of ordinary concrete》Testing example one, embodiment Two are shown in Table 2 with the 28 days compression strength and flexural strength, test result of the water conservation seepy material of embodiment three；
It is permeable with the water conservation seepy material of embodiment three that embodiment one, embodiment two are measured using instrument for measuring permeability coefficient Coefficient, test result are shown in Table 3；
According to effective mesh of following experimental method testing example one, embodiment two and the water conservation seepy material of embodiment three Porosity is marked, test result is shown in Table 4；
The appearance and size of test specimen is measured first, and calculates the overall volume V of test specimen0, test specimen immersion is made it in water Claim its weight W in water after full water1, take out test specimen and place 1h-2h at normal temperatures, surveyed again in 20min one time, wait for that result is steady After fixed, the aerial weight W of test specimen is determined2, then effective drainage porosity p be calculated as follows：P=[1- (W1-W1)/pwV0] * 100%
In formula：The effective drainage porosity (%) of p- materials；
W2The aerial weight (g) of test specimen；
W1The weight (g) of test specimen in water；
pwThe density of water (generally takes 1.0g/cm3)；
V0Volume (the cm of test specimen3)。
Criterion：By GB/T50081-2002《Standard for test methods of mechanical properties of ordinary concrete》Method detects, Compression strength should reach Cc20-Cc30 strength grade requirements, and general basic level requirement reaches 20MPa, and face layer requires to reach 25MPa；
According to JC/T954-2005《Water-permeable brick》Method detects, qualified pervious concrete, coefficient of permeability >=2.7mm/s (15℃)。
Table 1
Embodiment Apparent density (kg/m3)
Embodiment one 1869
Embodiment two 2065
Embodiment three 1911
Table 2
Embodiment 28d compression strength (MPa) Flexural strength (MPa)
Embodiment one 37.51 5.15
Embodiment two 38.69 7.02
Embodiment three 34.94 6.96
Table 3
Embodiment Coefficient of permeability (mm/s) (15 DEG C)
Embodiment one 16.5
Embodiment two 18.3
Embodiment three 15.1
Table 4
The beneficial effects of the invention are as follows：The 28d of the water conservation seepy material of embodiment one, embodiment two and embodiment three is anti- Compressive Strength is followed successively by 37.51MPa, 38.69MPa and 34.94MPa, is all higher than concrete topping requirement 25MPa, and significantly carry The compression strength of the high water conservation seepy material for building sponge urban pavement；
Temperature be 15 DEG C at, embodiment one, embodiment two, with embodiment three water conservation seepy material coefficient of permeability according to Secondary is 16.5mm/s, 18.3mm/s and 15.1mm/s, is all higher than 2.7mm/s, and considerably improve for building sponge city The coefficient of permeability of the water conservation seepy material on road surface.
Typical case：(1) by the triaryl methane phthalide of the aqueous polyurethane acrylate lotion of 18 mass parts, 9 mass parts Type temperature sensing material, 4 mass parts average grain diameter be the ethylene-vinyl acetate copolymerization of the nano silicon dioxide of 35nm, 3 mass parts Object, 0.8 mass parts enuatrol be added in the tetradecyl alchohol solvent of 55 mass parts, at room temperature, be uniformly mixed, be made sense Warm mixture；
(2) in 5g/L dopamine solutions, then the mass concentration that the nanometer aluminium powder of 12 mass parts is added to 25 mass parts is It moves on to digital display to test the speed in constant temperature blender with magnetic force, is 35 DEG C in temperature, under the conditions of rotating speed is 450r/min, heating stirring mixing After 70min, filtering obtains filter cake, then washs filter cake with the deionized water of 40 mass parts, then the filter cake after washing is placed in very In empty drying box, dry 60min obtains dry cake；
(3) filter cake made from step (2) is added in three-necked flask, by the ethyl orthosilicate of 18 mass parts and 15 mass parts Absolute ethyl alcohol and the deionized waters of 35 mass parts be added in three-necked flask, then three-necked flask immigration digital display is tested the speed perseverance Warm magnetic stirring apparatus is 55 DEG C in temperature, under conditions of rotating speed is 650r/min, is stirred 50min, then pass through dropping funel It is added dropwise dropwise with the rate of 1.5ml/min in the anhydrous ethanol solvent to three-necked flask of 15 mass parts, while passing through dropping funel It is added dropwise dropwise with the rate of 2.5ml/min in the citric acid solution to three-necked flask that the mass fraction of 4 mass parts is 9%, waits for second Alcoholic solution and citric acid solution are all added dropwise, and are 70 DEG C in temperature, rotating speed continues to be stirred under conditions of being 650r/min 40min is made mixed liquor, then filters gained mixed liquor, obtains filter residue, then by the gained filter residue deionized water of 15 mass parts Washing, then filter residue is placed in vacuum drying chamber dry 70min to get modified Nano aluminium powder；
(4) by modified Nano aluminium powder made from step (3) and the portland cement of 15 mass parts, 55 mass parts yellow sand, The calcium silicates of 28 mass parts, the clay of 6 mass parts, the flyash of 15 mass parts, the gangue of 12 mass parts, 11 mass parts Water, the calcium lignosulfonate of 23 mass parts, 25 mass parts silane resin acceptor kh-550 sequentially add in batch mixer, be in rotating speed High-speed stirred 25min under conditions of 900r/min, then the diatomite of 7 mass parts is added into batch mixer, it is 900r/ in rotating speed Continue high-speed stirred 90min under conditions of min to get modified concrete；
(5) in the 1000mL three-necked flasks equipped with reflux condenser, mechanical agitator and dropping funel, 3 mass are added The ether of the silicon tetrachloride and 15 mass parts of part is placed in cooling in ice bath, the absolute ethyl alcohol of 12 mass parts is added dropwise under stiring, adds 3.5h is heated to reflux after complete in water-bath, after cooling, the sodium ethoxide that 7 mass parts are added is neutralized to neutrality, then in water-bath first It after steaming ether, is fractionated, tetraethyl orthosilicate is made；
(6) tetraethyl orthosilicate made from step (5) is added in beaker, the deionization of 18 mass parts is added into beaker Water is stirred the hydrochloric acid solution for being subsequently added into that the mass concentration of 1.5 mass parts is 5%, is placed on magnetic stirring apparatus and stirs 2.5h is mixed, Ludox is made
(7) carboxymethyl cellulose of 10 mass parts is added in the three-necked flask that magnetic stirring apparatus, thermometer are housed, so Ultrasonic oscillation handles 2h afterwards, is then passed through N at 80 DEG C to the sodium hydroxide that 3 mass parts are added in three mouthfuls of beakers2, at the uniform velocity Magnetic agitation 90min, makes cellulose fully activate；
(8) the benzyl amide of 6 mass parts is added in the deionized water of 17 mass parts, magnetic agitation to completely it is molten Solution, the benzyl amide solution being completely dissolved is added in the three-necked flask in step (7), infrared processing 2h, while opening magnetic Power stirs to get carboxyethyl cellulose-benzyl amide copolymer；
(9) Ludox made from step (6) is added to carboxyethyl cellulose-benzyl amide copolymer of step (8) In, magnetic agitation handles 1h at room temperature, and the cumyl peroxide of 12 mass parts is added, tool is transferred to after being uniformly mixed In the reaction kettle for having the polytetrafluoroethylene (PTFE) of 55 mass parts, 260 DEG C are raised to the heating rate of 15 DEG C/min, it is anti-under helium atmosphere 4h is answered, is transferred in beaker after reaction, the azobisisobutyronitrile of 6 mass parts is added, then magnetic agitation 2h, magnetic agitation After be then transferred into microwave reactor, microwave reaction 2h under nitrogen atmosphere takes out product most after microwave reaction Water suction additive is obtained eventually；
(10) step (9) water suction additive obtained is added in modified concrete made from step (4), is heated to 55 DEG C, after being uniformly mixed, 35min is kept the temperature, room temperature is naturally cooled to, obtains water conservation seepy material, the water conservation seepy material Apparent density be 2065kg/m3, 28d compression strength is 38.69MPa, flexural strength 7.02MPa, and coefficient of permeability is 18.3mm/s, effective target porosity are 20.87%.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (6)

1. a kind of water conservation seepy material for building sponge urban pavement, including modified concrete, which is characterized in that described to change Property concrete in doped with water suction additive；
The modified concrete includes the raw material of following parts by weight proportioning：15-20 parts of aqueous polyurethane acrylate, three fragrant first 8-10 parts of alkane phthalide type temperature sensing material, 3-5 parts of nano silicon dioxide, the ethylene-vinyl acetate that average grain diameter is 30-40nm are total 2-5 parts of polymers, 0.5-1 parts of enuatrol, 50-60 parts of tetradecyl alchohol, 10-15 parts of nanometer aluminium powder, mass concentration are that 5g/L dopamines are molten 20-30 parts of liquid, 120-150 parts of deionized water, 15-20 parts of ethyl orthosilicate, 20-40 parts of absolute ethyl alcohol, mass fraction 8- 10% 2-5 parts of citric acid solution, 10-20 parts of portland cement, 50-60 parts of yellow sand, 25-30 parts of calcium silicates, 5-8 parts of clay, 10-20 parts of flyash, 10-15 parts of gangue, water 10-12, calcium lignosulfonate 20-25, silane resin acceptor kh-550 20-30 Part, 6-8 parts of diatomite；
The water suction additive includes the raw material of following parts by weight proportioning：2-5 parts of silicon tetrachloride, 10-20 parts of ether, anhydrous second 10-15 parts of alcohol, 6-8 parts of sodium ethoxide, 15-20 parts of deionized water, 1-2 parts of the hydrochloric acid solution that mass concentration is 5%, carboxymethyl cellulose 8-12 parts plain, 2-5 parts of sodium hydroxide, 5-8 parts of benzyl amide, 10-15 parts of cumyl peroxide, polytetrafluoroethylene (PTFE) 50-60 Part, 5-8 parts of azobisisobutyronitrile；
The apparent density of the water conservation seepy material is 1869-2065kg/m3, 28d compression strength is 34.94-38.69MPa, is resisted Folding intensity is 5.15-7.02MPa, and coefficient of permeability 15.1-18.3mm/s, effective target porosity is 18.11%-22.08%.
2. a kind of water conservation seepy material for building sponge urban pavement according to claim 1, which is characterized in that institute It is Portland fly ash cement, specific surface area 450m to state portland cement2/kg。
3. a kind of water conservation seepy material for building sponge urban pavement according to claim 1, which is characterized in that institute The apparent density for stating water conservation seepy material is 2065kg/m3, 28d compression strength be 38.69MPa, flexural strength 7.02MPa, Coefficient of permeability is 18.3mm/s, and effective target porosity is 20.87%.
4. a kind of water conservation seepy material for building sponge urban pavement according to claim 1, which is characterized in that institute State the raw material that modified concrete includes following parts by weight proportioning：18 parts of aqueous polyurethane acrylate, triaryl methane phthalide type 9 parts of temperature sensing material, 3 parts of 4 parts of nano silicon dioxide, ethylene-vinyl acetate copolymer, the enuatrol that average grain diameter is 35nm 0.8 part, 55 parts of tetradecyl alchohol, 12 parts of nanometer aluminium powder, mass concentration be 25 parts of 5g/L dopamine solutions, 150 parts of deionized water, positive silicon 18 parts of acetoacetic ester, 30 parts of absolute ethyl alcohol, mass fraction be 9% 4 parts of citric acid solution, 15 parts of portland cement, 55 parts of yellow sand, 28 parts of calcium silicates, 6 parts of clay, 15 parts of flyash, 12 parts of gangue, water 11, calcium lignosulfonate 23, silane resin acceptor kh-550 25 parts, 7 parts of diatomite.
5. a kind of water conservation seepy material for building sponge urban pavement according to claim 1, which is characterized in that institute State the raw material that water suction additive includes following parts by weight proportioning：3 parts of silicon tetrachloride, 15 parts of ether, 12 parts of absolute ethyl alcohol, ethyl alcohol 7 parts of sodium, 35 parts of deionized water, mass concentration be 5% 1.5 parts of hydrochloric acid solution, 10 parts of carboxymethyl cellulose, 3 parts of sodium hydroxide, 6 parts of benzyl amide, 12 parts of cumyl peroxide, 55 parts of polytetrafluoroethylene (PTFE), 6 parts of azobisisobutyronitrile.
6. a kind of preparation method for building the water conservation seepy material of sponge urban pavement, which is characterized in that including following step Suddenly：
1) preparation of modified concrete
(1) by the triaryl methane phthalide type temperature-sensitive material of the aqueous polyurethane acrylate lotion of 15-20 mass parts, 8-10 mass parts Expect, the ethylene-vinyl acetate copolymerization that the average grain diameter of 3-5 mass parts is the nano silicon dioxide of 30-40nm, 2-5 mass parts Object, 0.5-1 mass parts enuatrol be added in the tetradecyl alchohol solvent of 50-60 mass parts, at room temperature, be uniformly mixed, Temperature-sensitive mixture is made；
(2) mass concentration that the nanometer aluminium powder of 10-15 mass parts is added to 20-30 mass parts is in 5g/L dopamine solutions, so After move on to digital display and test the speed in constant temperature blender with magnetic force, be 35 DEG C in temperature, under the conditions of rotating speed is 450r/min, heating stirring mixing After 60-80min, filtering obtains filter cake, then washs filter cake with the deionized water of 30-50 mass parts, then by the filter cake after washing It is placed in vacuum drying chamber, dry 50-70min obtains dry cake；
(3) filter cake made from step (2) is added in three-necked flask, by the ethyl orthosilicate of 15-20 mass parts and 10-20 mass The absolute ethyl alcohol of part and the deionized water of 30-40 mass parts are added in three-necked flask, and three-necked flask is then moved into digital display Test the speed constant temperature blender with magnetic force, is 50-60 DEG C in temperature, under conditions of rotating speed is 650r/min, is stirred 40-60min, then It is added dropwise dropwise in the anhydrous ethanol solvent to three-necked flask of 10-20 mass parts with the rate of 1-2ml/min by dropping funel, together When by dropping funel with the rate of 2-3ml/min the mass fraction of 2-5 mass parts to be added dropwise dropwise molten for the citric acid of 8-10% It in liquid to three-necked flask, waits for that ethanol solution and citric acid solution are all added dropwise, is 60-80 DEG C in temperature, rotating speed 650r/ Continue to be stirred 40min under conditions of min, mixed liquor is made, then filters gained mixed liquor, obtains filter residue, then by gained Filter residue is washed with the deionized water of 10-20 mass parts, then filter residue is placed in vacuum drying chamber dry 60-80min to get modification Nanometer aluminium powder；
(4) by the Huang of modified Nano aluminium powder made from step (3) and the portland cement of 10-20 mass parts, 50-60 mass parts Husky, the calcium silicates of 25-30 mass parts, the clay of 5-8 mass parts, the flyash of 10-20 mass parts, 10-15 mass parts bastard coal Stone, the water of 10-12 mass parts, the calcium lignosulfonate of 20-25 mass parts, 20-30 mass parts silane resin acceptor kh-550 according to In secondary addition batch mixer, high-speed stirred 20-30min under conditions of rotating speed is 800-1000r/min, then be added into batch mixer The diatomite of 6-8 mass parts continues high-speed stirred 80-100min to get modification under conditions of rotating speed is 800-1000r/min Concrete；
2) preparation of water suction additive
(1) in the 1000mL three-necked flasks equipped with reflux condenser, mechanical agitator and dropping funel, 2-5 mass parts are added Silicon tetrachloride and 10-20 mass parts ether, be placed in ice bath cooling, the anhydrous second of 10-15 mass parts be added dropwise under stiring Alcohol is heated to reflux 3-4h in water-bath after adding, after cooling, the sodium ethoxide that 6-8 mass parts are added is neutralized to neutrality, then in water It after first steaming ether in bath, is fractionated, tetraethyl orthosilicate is made；
(2) tetraethyl orthosilicate made from step (1) is added in beaker, the deionization of 15-20 mass parts is added into beaker Water is stirred the hydrochloric acid solution for being subsequently added into that the mass concentration of 1-2 mass parts is 5%, is placed on magnetic stirring apparatus and stirs 2-3h is mixed, Ludox is made；
(3) carboxymethyl cellulose of 8-12 mass parts is added in the three-necked flask that magnetic stirring apparatus, thermometer are housed, then Ultrasonic oscillation handles 2h, is then passed through N at 80 DEG C to the sodium hydroxide of addition 2-5 mass parts in three mouthfuls of beakers2, at the uniform velocity Magnetic agitation 90min, makes cellulose fully activate；
(4) the benzyl amide of 5-8 mass parts is added in the deionized water of 15-20 mass parts, magnetic agitation to completely it is molten Solution, the benzyl amide solution being completely dissolved is added in the three-necked flask in step (3), infrared processing 2h, while opening magnetic Power stirs to get carboxyethyl cellulose-benzyl amide copolymer；
(5) Ludox made from step (2) is added in carboxyethyl cellulose-benzyl amide copolymer of step (4), Magnetic agitation handles 1h at room temperature, the cumyl peroxide of 10-15 mass parts is added, being transferred to after being uniformly mixed has In the reaction kettle of the polytetrafluoroethylene (PTFE) of 50-60 mass parts, 260 DEG C are raised to the heating rate of 15 DEG C/min, under helium atmosphere 4h is reacted, is transferred in beaker after reaction, the azobisisobutyronitrile of 5-8 mass parts is added, then magnetic agitation 2h, magnetic force It is then transferred into microwave reactor after stirring, under nitrogen atmosphere microwave reaction 2h, production is taken out after microwave reaction Object finally obtains water suction additive；
3) step 2) water suction additive obtained is added in modified concrete made from step 1), is heated to 50-60 DEG C, stirring After mixing, 30-40min is kept the temperature, room temperature is naturally cooled to, obtains water conservation seepy material.
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