CN108821680A - A kind of preparation process of the modified cement-based rigid self-waterproof material of wet-milling - Google Patents
A kind of preparation process of the modified cement-based rigid self-waterproof material of wet-milling 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
- 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
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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
- C04B2111/00017—Aspects relating to the protection of the environment
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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
- C04B2111/00025—Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
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- 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
- C04B2111/00293—Materials impermeable to liquids
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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
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00508—Cement paints
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- 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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- 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
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
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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
- 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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Abstract
The present invention relates to a kind of preparation process of the modified cement-based rigid self-waterproof material of wet-milling, technical solution is to be made after mixing following raw material：Wet-milling 50-60 parts of sa solid waste waterproofing slurry of modification, 30-50 parts of portland cement, 100-300 parts of inert filler, 20-30 parts of active filler, 15-45 parts of water；Wherein, the modified sa solid waste waterproofing slurry of wet-milling is prepared by the following method：1) by 40-50 parts of 100 parts of sa solid waste powder, 1-8 parts of alkali, 0.1-0.4 parts of polycarboxylate dispersant, water progress wet-millings, grinding obtains sa solid waste slurry；2) it is 300nm-1 μm that surface modifier 1-10 parts of progress wet-milling to median particle diameter is added into sa solid waste slurry obtained in step 1), obtains the modified sa solid waste waterproofing slurry of wet-milling.Present invention process is simple, at low cost, pollution-free harm, excellent durability, excellent in mechanical performance, impervious good.
Description
Technical field
The present invention relates to a kind of cement group water-proofing material, specifically a kind of modified cement-based rigid self-waterproof material of wet-milling
The preparation process of material.
Background technique
Concrete structure is in natural environment, service life, durability, safety in utilization largely all with build
The waterproof performance for building material is related.The structures such as some subways, piping lane, tunnel, on the one hand because of the environment with etching medium
The permeating corrosion of water needs to repair maintenance soon, or even causes durability damage so that it comes into operation；On the other hand, ground
The problems such as lower engineering is improper because water proof structure is arranged, and a large amount of engineerings have long-term leakage, undercurrent washes away so that sedimentation, collapse and
The engineering project disasters such as prominent water burst happen occasionally.
Most common architectural waterproof material is mainly asphalt water-proof coiled material, polymer membranes, polymerization both at home and abroad at present
Object base waterproof coating, elastomeric seal glue etc..The common feature of this kind of waterproof materials is that it is polymerization species waterproof material,
It is primarily present higher cost, temperature sensitivity is big, and resistance to ag(e)ing is weaker, and the bonding interface between concrete base building material
The problems such as easily becoming the weak link of water leakage.
Cement group water-proofing material is usually that polymer material is added inside cement-based material, is demulsified and is formed a film by polymer
The organic and inorganic interpenetrating networks that are formed between cement matrix and form certain water-proof function.Cement group water-proofing material at present
It generally adds the organic materials such as polymer emulsion, latex and blocks pore, form waterproof ability.For example, Chinese patent
CN107686297A discloses a kind of total comprising acrylic emulsion, Acrylate-styrene bipolymer copolymer emulsion, styrene-butadiene
The cement group water-proofing material of poly- lotion, vinyl acetate-ethylene copolymerization emulsions；Chinese patent CN107572967A discloses one kind and contains
The cement group water-proofing material of latex, epoxy resin latex；Chinese patent CN107540318A disclose it is a kind of containing organosilan, it is micro-
The cement base water-proof plugging material of hole emulsifier；Chinese patent CN106145823A discloses a kind of containing acrylic emulsion, rubber powder
Polymer-modified cement-based waterproofing slurry；Chinese patent CN107628788A discloses a kind of containing butyl acrylate, methyl-prop
Olefin(e) acid, tertiary ethylene carbonate, β-propyloic acrylic ester cement group water-proofing material.This kind of cement group water-proofing material mainly passes through
Polymer material improves water mudrock structure.However, the volume of polymer is generally higher in order to guarantee preferable waterproof effect, one
Aspect increases cost, on the other hand can also produce bigger effect to the performance of cement-based material (such as intensity).Meanwhile polymer
Cement group water-proofing material can also have the disadvantages of potential noxious material, penetrating odor.
Summary of the invention
The purpose of the present invention is to solve above-mentioned technical problem, it is high, at low cost to provide a kind of simple process, the useless rate of benefit,
Pollution-free harm, excellent durability, excellent in mechanical performance, the system of the impervious good modified cement-based rigid self-waterproof material of wet-milling
Standby technique.
Technical solution is made after mixing the raw material of following portions by weight：Wet-milling is modified sa solid waste waterproofing slurry
50-60 parts, 30-50 parts of portland cement, 100-300 parts of inert filler, 20-30 parts of active filler, 15-45 parts of water；
Wherein, the modified sa solid waste waterproofing slurry of wet-milling is prepared by the following method：
1) 40-50 parts of 100 parts of sa solid waste powder, 1-8 parts of alkali, 0.1-0.4 parts of polycarboxylate dispersant, water progress are wet
Mill, milling time are 4-10 hours, obtain sa solid waste slurry；
2) surface modifier 1-10 parts of progress wet-milling is added into sa solid waste slurry obtained in step 1), when grinding
Between be 30min-2h, being ground to median particle diameter is 300nm-1 μm, obtains the modified sa solid waste waterproofing slurry of wet-milling.
In the step (1), when wet-milling, the ratio between mixture and abrading-ball is 3:7, revolving speed 60Hz；Step (2)
In, the ratio between mixture and abrading-ball is 3:7, revolving speed 20Hz.
In the step (1), sa solid waste powder is phosphorus slag, in gangue, steel slag, manganese slag, Copper Slag, zinc ore slag
Any one, median particle diameter is 10-30 μm.
In the step (1), the alkali is sodium hydroxide or sodium metasilicate.
In the step (1), the surface modifier is the mixture of silanol and hydroxy silicon oil.
Useless in order to raise interest rates, inventor's expectation is more likely to more industrial residues that uses, but general industry waste residue and waterproof
Can not form good chemical binding force and adhesion effect between surface modifier, thus the use of a large amount of waste residues not can guarantee it is anti-
Water function gives full play to, and also results in the reduction of compact structure, is unfavorable for impermeable structure, inventor has used silicon thus
Aluminum solid waste powder, the sa solid waste powder can be in phosphorus slag, gangue, steel slag, manganese slag, Copper Slag, zinc ore slags
Any one, and be modified using wet-milling, the exposure of sa solid waste surface is increased by the mechanical force of wet-milling process
Silicone hydroxyl.Nanoscale (300nm-1 μm) sa solid waste particle of wet-milling preparation, in conjunction with the distinctive ionic liquid phase ring of wet-milling
Border, dramatically increases the dissolution of calcium ion and sial phase, to accelerate the scission of link and unsaturation key mapping of sa solid waste particle surface
Point (such as silicone hydroxyl) quantity；Further, the alkaline matters such as sodium hydroxide or sodium metasilicate are added during wet-milling, further increase
The silicone hydroxyl quantity of sa solid waste surface exposure, milling time are 4-10 hours, provide abundance for subsequent surface modifier
Polymerization site.
The surface modifier that hydroxyl is added after grinding 4-10 hours, with the exposure of wet-milling sa solid waste surface
Silicone hydroxyl carries out polycondensation, forms sealing water repellent molecule film.By introducing the surface modifiers such as silanol, hydroxy silicon oil, change surface
Property the self-contained hydroxyl of agent and wet-milling particle surface exposure silicone hydroxyl occur polycondensation reaction, formed on mineral particle surface
Water repellent molecule film is sealed, so that being formed has the modified sa solid waste waterproofing slurry of the wet-milling of self waterproofing function.
Nano silicone aluminum solid waste ultrafine particle is made with wet-grinding technology and relative device, can not only play the role of nucleus induction aquation,
It can be obviously improved the compact structure of cement group water-proofing material simultaneously, improve impermeable structure ability.The modified sial of the wet-milling
The additive amount of matter solid waste waterproofing slurry is controlled at 50-60 parts, is excessively unfavorable for the evenly dispersed of nanometer ultrafine particle, and will cause
The apparent increase of material cost, excessively few then nucleus induction hydration effect is unobvious, and impermeable structure ability is limited.
Further, in addition to portland cement, used inert filler and active filler are industrial residue, described lazy
Property filler be one of phosphorus tailing, copper tailing, vanadium titanium melting waste slag, shraff, median particle diameter is 50 μm of -5mm, this kind of
Waste residue be mainly inert fraction, apparent volume instability will not be generated during the late stages of developmet, and with higher mechanical strong
Degree can be used as inert filler use；The active filler is flyash, blast-furnace cinder, any one in lithium slag, intermediate value grain
Diameter is 10-20 μm, and this kind of waste residues has the characteristics that potential pozzolanic reaction activity, in the effect for the alkali that hydrated cementitious generates
Under late phase reaction can occur, can be used as active filler use.
Meanwhile the present invention has also fully considered the grain composition between different material, it is whole to give full play to cement-based material
The closely knit waterproof action of body.The particle size range of the modified sa solid waste waterproofing slurry of wet-milling is 300nm-1 μm, active filler partial size
Range is 10-20 μm, and inert filler particle size range is 50 μm of -5mm, thus can help to form the closely knit continuous entirety of structure.
It is formed in short, the modified cement-based rigid self-waterproof material of the wet-milling is integrated with the modified sa solid waste waterproofing slurry of wet-milling
Self waterproofing effect, nano effect and the formed impermeable structure of compact structure act on.
The modified cement-based rigid self-waterproof material of the wet-milling avoids largely making for the organic polymers such as latex, lotion
With, pollution-free harm, and cement base rigid self-waterproof material has more more excellent than organic polymer based on inorganic material
Durability.
Beneficial effect：
First, green, low cost cement base rigid self-waterproof material are prepared by raw material of sa solid waste.
Break the existing conventional thought that cement group water-proofing material is prepared based on polymer, the present invention uses wet milling techniques
It is water-repellent modified to the progress of sa solid waste, prepare the modified sa solid waste waterproofing slurry of the wet-milling with self waterproofing function.Together
When, using sas Industrial Solid Wastes such as the phosphorus tailing of 50 μm of -5mm, copper tailing, vanadium titanium melting waste slag, shrafves as inert filler,
Using sas Industrial Solid Wastes such as 10-20 μm of flyash, blast-furnace cinder, lithium slags as active filler, prepare based on sa work
The cement base rigid self-waterproof material of industry solid waste, the useless rate of benefit is high, is not spiked with irritation chemical polymerization object, environmentally protective, production
It is at low cost, without pernicious gas generate；
Second, compact structure, excellent in mechanical performance is impervious good.
After conventional cement base waterproof material adds polymer emulsion or polymer glue powder, mechanical property and rigidity can be obvious
Decline.The present invention is not spiked with polymer emulsion or rubber powder, and using the modified sa solid waste waterproofing slurry of wet-milling as water-proof function group
Point, while partial size is the knot that 300nm-1 μm of nano silicone aluminum solid waste ultrafine particle can be obviously improved cement group water-proofing material
Structure compactness and mechanical property are impervious good；
Third, it is simple process, time saving and energy saving.
The modified sa solid waste waterproofing slurry of mud wet-milling prepared by the present invention has good storability, is preparing water
When mud base waterproof material, it is directly added into filler, water stirs evenly, time saving and energy saving.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but the present invention is not limited solely to the following examples.
Embodiment 1：
A kind of modified cement-based rigid self-waterproof material of wet-milling, raw material include by weight：The modified sa of wet-milling is solid
Useless 50 parts of waterproofing slurry, 30 parts of portland cement, 100 parts of inert filler, 20 parts of active filler, 15 parts of water.
Wherein, the composition by weight of the modified sa solid waste waterproofing slurry of wet-milling includes：Sa solid waste powder 100
Part, 1 part of alkali, 1 part of surface modifier, 0.1 part of polycarboxylate dispersant, 40 parts of water.
The modified sa solid waste waterproofing slurry of the wet-milling is prepared according to the following steps：
1) by 100 parts of sa solid waste powder, 1 part of alkali, 0.1 part of polycarboxylate dispersant, 40 parts of water large-scale wet milk into
Row grinding, the ratio between mixture and abrading-ball are 3:7, revolving speed 60Hz, milling time are 7 hours, obtain sa solid waste
Slurry；
2) 1 part of surface modifier, revolving speed 20Hz, when grinding is added in the sa solid waste slurry obtained in step 1)
Between be 2h, obtain the modified sa solid waste waterproofing slurry of wet-milling, median particle diameter 500nm.
Wherein, surface modifier is the mixture of silanol and hydroxy silicon oil, mixed proportion 1:1；Sa solid waste powder
For phosphorus slag, median particle diameter is 30 μm；Alkali is sodium hydroxide.
The inert filler is phosphorus tailing, and median particle diameter is 50 μm of -5mm continuous gradings.
The active filler is blast-furnace cinder, and median particle diameter is 20 μm.
Embodiment 2：
A kind of modified cement-based rigid self-waterproof material of wet-milling, raw material include by weight：The modified sa of wet-milling is solid
Useless 60 parts of waterproofing slurry, 50 parts of portland cement, 300 parts of inert filler, 30 parts of active filler, 45 parts of water.
Wherein, the composition by weight of the modified sa solid waste waterproofing slurry of wet-milling includes：Sa solid waste powder 100
Part, 8 parts of alkali, 10 parts of surface modifier, 0.4 part of polycarboxylate dispersant, 50 parts of water.
The modified sa solid waste waterproofing slurry of the wet-milling is prepared according to the following steps：
1) by 100 parts of sa solid waste powder, 8 parts of alkali, 0.4 part of polycarboxylate dispersant, 50 parts of water large-scale wet milk into
Row grinding, the ratio between mixture and abrading-ball are 3:7, revolving speed 60Hz, milling time are 10 hours, obtain sa solid waste
Slurry；
2) 10 parts of surface modifier, revolving speed 20Hz are added in the sa solid waste slurry obtained in step 1), grinding
Time is 30min, obtains the modified sa solid waste waterproofing slurry of wet-milling, median particle diameter 300nm.
Wherein, surface modifier is the mixture of silanol and hydroxy silicon oil, mixed proportion 1:9；Sa solid waste powder
For gangue, median particle diameter is 10 μm；Alkali is sodium metasilicate.
The inert filler is copper tailing, and median particle diameter is 50 μm of -5mm continuous gradings.
The active filler is lithium slag, and median particle diameter is 10 μm.
Embodiment 3：
A kind of modified cement-based rigid self-waterproof material of wet-milling, raw material include by weight：The modified sa of wet-milling is solid
Useless 55 parts of waterproofing slurry, 40 parts of portland cement, 200 parts of inert filler, 25 parts of active filler, 30 parts of water.
Wherein, the composition by weight of the modified sa solid waste waterproofing slurry of wet-milling includes：Sa solid waste powder 100
Part, 5 parts of alkali, 5 parts of surface modifier, 0.2 part of polycarboxylate dispersant, 45 parts of water.
The modified sa solid waste waterproofing slurry of the wet-milling is prepared according to the following steps：
1) by 100 parts of sa solid waste powder, 5 parts of alkali, 0.2 part of polycarboxylate dispersant, 45 parts of water large-scale wet milk into
Row grinding, the ratio between mixture and abrading-ball are 3:7, revolving speed 60Hz, milling time are 4 hours, obtain sa solid waste
Slurry；
2) 5 parts of surface modifier, revolving speed 20Hz, when grinding are added in the sa solid waste slurry obtained in step 1)
Between be 1h, obtain the modified sa solid waste waterproofing slurry of wet-milling, median particle diameter is 1 μm.
Wherein, surface modifier is the mixture of silanol and hydroxy silicon oil, mixed proportion 9:1；Sa solid waste powder
For steel slag, median particle diameter is 10 μm；Alkali is sodium metasilicate.
The inert filler is vanadium titanium melting waste slag, and median particle diameter is 50 μm of -5mm continuous gradings.
The active filler is flyash, and median particle diameter is 20 μm.
Embodiment 4：
A kind of modified cement-based rigid self-waterproof material of wet-milling, raw material include by weight：The modified sa of wet-milling is solid
Useless 60 parts of waterproofing slurry, 50 parts of portland cement, 100 parts of inert filler, 30 parts of active filler, 30 parts of water.
Wherein, the composition by weight of the modified sa solid waste waterproofing slurry of wet-milling includes：Sa solid waste powder 100
Part, 8 parts of alkali, 5 parts of surface modifier, 0.4 part of polycarboxylate dispersant, 40 parts of water.
The modified sa solid waste waterproofing slurry of the wet-milling is prepared according to the following steps：
1) by 100 parts of sa solid waste powder, 8 parts of alkali, 0.4 part of polycarboxylate dispersant, 40 parts of water large-scale wet milk into
Row grinding, the ratio between mixture and abrading-ball are 3:7, revolving speed 60Hz, milling time are 8 hours, obtain sa solid waste
Slurry；
2) 5 parts of surface modifier, revolving speed 20Hz, when grinding are added in the sa solid waste slurry obtained in step 1)
Between be 1h, obtain the modified sa solid waste waterproofing slurry of wet-milling, median particle diameter 400nm.
Wherein, surface modifier is the mixture of silanol and hydroxy silicon oil, mixed proportion 4:6；Sa solid waste powder
For manganese slag, median particle diameter is 10 μm；Alkali is sodium hydroxide.
The inert filler is shraff, and median particle diameter is 50 μm of -5mm continuous gradings.
The active filler is flyash, and median particle diameter is 15 μm.
Embodiment 5：
A kind of modified cement-based rigid self-waterproof material of wet-milling, raw material include by weight：The modified sa of wet-milling is solid
Useless 60 parts of waterproofing slurry, 30 parts of portland cement, 200 parts of inert filler, 20 parts of active filler, 20 parts of water.
Wherein, the composition by weight of the modified sa solid waste waterproofing slurry of wet-milling includes：Sa solid waste powder 100
Part, 6 parts of alkali, 6 parts of surface modifier, 0.2 part of polycarboxylate dispersant, 40 parts of water.
The modified sa solid waste waterproofing slurry of the wet-milling is prepared according to the following steps：
1) by 100 parts of sa solid waste powder, 6 parts of alkali, 0.2 part of polycarboxylate dispersant, 40 parts of water large-scale wet milk into
Row grinding, the ratio between mixture and abrading-ball are 3:7, revolving speed 60Hz, milling time are 6 hours, obtain sa solid waste
Slurry；
2) 6 parts of surface modifier, revolving speed 20Hz, when grinding are added in the sa solid waste slurry obtained in step 1)
Between be 2h, obtain the modified sa solid waste waterproofing slurry of wet-milling, median particle diameter 800nm.
Wherein, surface modifier is the mixture of silanol and hydroxy silicon oil, mixed proportion 6:4；Sa solid waste powder
For Copper Slag, median particle diameter is 20 μm；Alkali is sodium metasilicate.
The inert filler is copper tailing, and median particle diameter is 50 μm of -5mm continuous gradings.
The active filler is blast-furnace cinder, and median particle diameter is 20 μm.
Embodiment 6：
A kind of modified cement-based rigid self-waterproof material of wet-milling, raw material include by weight：The modified sa of wet-milling is solid
Useless 55 parts of waterproofing slurry, 45 parts of portland cement, 300 parts of inert filler, 20 parts of active filler, 20 parts of water.
Wherein, the composition by weight of the modified sa solid waste waterproofing slurry of wet-milling includes：Sa solid waste powder 100
Part, 1 part of alkali, 10 parts of surface modifier, 0.3 part of polycarboxylate dispersant, 50 parts of water.
The modified sa solid waste waterproofing slurry of the wet-milling is prepared according to the following steps：
1) by 100 parts of sa solid waste powder, 1 part of alkali, 0.3 part of polycarboxylate dispersant, 50 parts of water large-scale wet milk into
Row grinding, the ratio between mixture and abrading-ball are 3:7, revolving speed 60Hz, milling time are 4 hours, obtain sa solid waste
Slurry；
2) 10 parts of surface modifier, revolving speed 20Hz are added in the sa solid waste slurry obtained in step 1), grinding
Time is 2h, obtains the modified sa solid waste waterproofing slurry of wet-milling, and median particle diameter is 1 μm.
Wherein, surface modifier is the mixture of silanol and hydroxy silicon oil, mixed proportion 5:5；Sa solid waste powder
For zinc ore slag, median particle diameter is 30 μm；Alkali is sodium metasilicate.
The inert filler is vanadium titanium melting waste slag, and median particle diameter is 50 μm of -5mm continuous gradings.
The active filler is lithium slag, and median particle diameter is 15 μm.
Comparative example 1：
In this comparative example except sa solid waste do not use wet-grinding technology and relative device, be not added surface modifier carry out it is water-repellent modified in addition to,
Yu Jun and embodiment 1 are consistent.
Comparative example 2：
This comparative example is traditional polymer emulsion water-proof mortar, in addition to wet-milling is modified the matter such as sa solid waste waterproofing slurry
Amount replaces with outside the common styrene-butadiene emulsion in market, remaining is consistent with embodiment 1.
Comparative example 3：
This comparative example is using traditional polymer rubber powder waterproof mortar, in addition to wet-milling is modified sa solid waste waterproofing slurry
Etc. quality replace with outside the common waterproof silane powder in market, remaining is consistent with embodiment 1.
Test method is referring to JC/T 984-2005《Polymer cement materials》.
The cement base rigid self-waterproof material and comparative example 1-3 cement-based material main performance of 1 embodiment 1-6 of table.
As seen from Table 1, the cement base rigid self-waterproof material of embodiment 1-6 preparation changes with without passing through wet-milling waterproof
The comparative example 1 and market general polymer waterproof material (comparative example 2 and comparative example 3) of property are compared, in mechanical property and waterproofness
Energy aspect has a clear superiority.Meanwhile the sa solid waste slurry that the present invention largely uses wet-milling water-repellent modified, substitution are normal at present
The polymer emulsion and latex substance of use, environmentally protective, no pernicious gas generates.
Claims (7)
1. a kind of preparation process of the modified cement-based rigid self-waterproof material of wet-milling, which is characterized in that by following portions by weight
It is made after raw material mixing：Wet-milling 50-60 parts of sa solid waste waterproofing slurry of modification, 30-50 parts of portland cement, inert filler
100-300 parts, 20-30 parts of active filler, 15-45 parts of water；
Wherein, the modified sa solid waste waterproofing slurry of wet-milling is prepared by the following method：
1) by 40-50 parts of 100 parts of sa solid waste powder, 1-8 parts of alkali, 0.1-0.4 parts of polycarboxylate dispersant, water progress wet-millings,
Milling time is 4-10 hours, obtains sa solid waste slurry；
2) surface modifier 1-10 parts of progress wet-milling is added into sa solid waste slurry obtained in step 1), milling time is
30min-2h, being ground to median particle diameter is 300nm-1 μm, obtains the modified sa solid waste waterproofing slurry of wet-milling.
2. the preparation process of the modified cement-based rigid self-waterproof material of wet-milling as described in claim 1, which is characterized in that described
In step (1), when wet-milling, the ratio between mixture and abrading-ball is 3:7, revolving speed 60Hz；In step (2), mixture and mill
Ratio between ball is 3:7, revolving speed 20Hz.
3. the preparation process of the modified cement-based rigid self-waterproof material of wet-milling as claimed in claim 1 or 2, which is characterized in that
In the step (1), sa solid waste powder is phosphorus slag, gangue, steel slag, manganese slag, Copper Slag, any one in zinc ore slag
Kind, median particle diameter is 10-30 μm.
4. the preparation process of the modified cement-based rigid self-waterproof material of wet-milling as claimed in claim 1 or 2, which is characterized in that
In the step (1), the alkali is sodium hydroxide or sodium metasilicate.
5. the preparation process of the modified cement-based rigid self-waterproof material of wet-milling as claimed in claim 1 or 2, which is characterized in that
In the step (1), the surface modifier is the mixture of silanol and hydroxy silicon oil.
6. the preparation process of the modified cement-based rigid self-waterproof material of wet-milling as claimed in claim 1 or 2, which is characterized in that
The inert filler is one of phosphorus tailing, copper tailing, vanadium titanium melting waste slag, shraff, and median particle diameter is 50 μm of -5mm.
7. the preparation process of the modified cement-based rigid self-waterproof material of wet-milling as claimed in claim 1 or 2, which is characterized in that
The active filler is flyash, blast-furnace cinder, any one in lithium slag, and median particle diameter is 10-20 μm.
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| CN109455969A (en) * | 2018-12-17 | 2019-03-12 | 湖北工业大学 | By Industrial Solid Waste prepared from steel slag for the method for concrete micro-expanding agent |
| CN110627426A (en) * | 2019-10-29 | 2019-12-31 | 湖北工业大学 | Preparation method of green ultrahigh-performance concrete |
| CN115231842A (en) * | 2022-07-06 | 2022-10-25 | 四川省建筑科学研究院有限公司 | Industrial smelting slag composite mineral admixture and preparation method thereof |
| CN115849748A (en) * | 2022-11-30 | 2023-03-28 | 北京科技大学 | Method for preparing high-strength cementing material from lead-zinc smelting slag |
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| CN107162533A (en) * | 2017-07-12 | 2017-09-15 | 合肥雅克丽新型建材有限公司 | Anti-seepage pressure-resistant light ecological brick for building and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109455969A (en) * | 2018-12-17 | 2019-03-12 | 湖北工业大学 | By Industrial Solid Waste prepared from steel slag for the method for concrete micro-expanding agent |
| CN109455969B (en) * | 2018-12-17 | 2021-04-27 | 湖北工业大学 | Method for preparing concrete micro-expanding agent from industrial solid waste steel slag |
| CN110627426A (en) * | 2019-10-29 | 2019-12-31 | 湖北工业大学 | Preparation method of green ultrahigh-performance concrete |
| CN110627426B (en) * | 2019-10-29 | 2021-10-15 | 湖北工业大学 | Preparation method of green ultrahigh-performance concrete |
| CN115231842A (en) * | 2022-07-06 | 2022-10-25 | 四川省建筑科学研究院有限公司 | Industrial smelting slag composite mineral admixture and preparation method thereof |
| CN115849748A (en) * | 2022-11-30 | 2023-03-28 | 北京科技大学 | Method for preparing high-strength cementing material from lead-zinc smelting slag |
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| CN108821680B (en) | 2021-04-30 |
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