CN106495603B - A kind of preparation method of weather-proof cement-base waterproof coating - Google Patents
A kind of preparation method of weather-proof cement-base waterproof coating Download PDFInfo
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- CN106495603B CN106495603B CN201610897069.8A CN201610897069A CN106495603B CN 106495603 B CN106495603 B CN 106495603B CN 201610897069 A CN201610897069 A CN 201610897069A CN 106495603 B CN106495603 B CN 106495603B
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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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
- C04B24/42—Organo-silicon compounds
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
- C04B41/5079—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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of preparation methods of weather-proof cement-base waterproof coating, belong to water-repellent paint preparing technical field.The present invention uses pitch and modified from waste tire rubber powder portland cement, recycle methyltrimethoxysilane in hydrolyzed under acidic conditions, it polymerize under alkaline condition again, polymer microballoon is generated after filtration drying is ground, finally modified portland cement and polymer microballoon powder are added in water-repellent paint, and add sodium citrate and dopamine hydrochloride etc., it is agitated to be mixed to get weather-proof cement-base waterproof coating.The present invention is combined the hydrophobic structure to be formed similar to lotus leaf surface with surface concrete in the curing process using polymer microballoon, calcium ion in concrete is complexed using dopamine etc. simultaneously, it is diffused into concrete pore, it reacts to form precipitation with unhydrated cement, block concrete pore, reach further waterproof effect, has long-acting water-proof effect under severe outdoor environmental conditions, it can large-scale promotion use.
Description
Technical field
The invention discloses a kind of preparation methods of weather-proof cement-base waterproof coating, belong to water-repellent paint technology of preparing neck
Domain.
Background technology
Water-repellent paint refers to a kind of coating that the film that coating is formed can prevent rainwater or underground water from leaking.Water-repellent paint
It is a kind of architectural waterproof material, is widely used in the waterproof of roofing, basement, toilet bath room and exterior wall etc..Water-repellent paint is usually
By pitch, synthesize macromolecule and cement or with inorganic composite materials etc. for main film forming matter provide, mix suitable nutriment, auxiliary agent,
Solvent type, emulsion type or the response type that solvent etc. is processed into is in viscous liquid without fixed shape at normal temperatures or can
The high molecular synthetic material of the solid powder state of liquefaction.The waterproofing membrane formed after water-repellent paint is cured has certain prolong
Stretching property, elastoplasticity, crack resistance, impermeability and weatherability can play waterproof, prevent blending protective effect.Water-repellent paint has good
Thermal adaptability, it is easy to operate, for ease of maintenaince with maintenance.Waterproof material in the market has two major classes：First, polyurethanes waterproof
Coating, this kind of material are usually to be made as raw material with coal tar of polyurethane, and the tar gas toxicity that it is volatilized is big, and not
It is easy to remove, therefore was prohibited from using in China in 2000, be to replace coal with pitch still in the polyurethane waterproofing coating of sale
Tar is as raw material, general using being diluted containing organic solvents such as toluene, dimethylbenzene but when using this coating, thus
Also contain toxic；It is another kind of be polymer cement-base waterproof coating, the lotion that it is synthesized by a variety of waterborne polymerics with mixed with each
The high grade cement composition of kind additive, polymer（Resin）Flexibility and the rigidity of cement became one so that it is in impermeability
With stability in terms of performance it is excellent, it the advantages of be easy for construction, comprehensive cost low, short time limit, and asepsis environment-protecting.Therefore, gather
Close the leading role that object cement base has become water-repellent paint market.But water-repellent paint used at present shorter interior is easily oozed in the time
The performance of leakage, material surface are detached from, and weatherability is poor and cannot be directly exposed under sunlight, and service life is short, can not meet anti-
The quality index of water functional requirement.
Invention content
The present invention solves the technical problem of：Occur during preparation and use for conventional waterproof coating,
Weatherability is poor, in the presence of a harsh environment, is easily detached from material surface, causes water resistance drastically to decline the problem of even failing, carry
Supply a kind of preparation method of weather-proof cement-base waterproof coating, the present invention that pitch and waste-tyre rubber-powder blending is used to change first
Property portland cement, recycle methyltrimethoxysilane polymerize in hydrolyzed under acidic conditions, then under alkaline condition, through filtering
Polymer microballoon is generated after drying and grinding, and modified portland cement and polymer microballoon powder are finally added to water-repellent paint
In, and add sodium citrate and dopamine hydrochloride etc., it is agitated to be mixed to get weather-proof cement-base waterproof coating.Profit of the invention
The hydrophobic structure to be formed similar to lotus leaf surface is combined with surface concrete in the curing process with polymer microballoon, is utilized simultaneously
Calcium ion in concrete is complexed in dopamine etc., is diffused into concrete pore, reacts to form precipitation with unhydrated cement, blocks
Concrete pore reaches further waterproof effect, strong with concrete binding force, has under severe outdoor environmental conditions long-acting anti-
Water effect, impermeability pressure improve 3 times or more, can large-scale promotion use.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）40~60g pitches are weighed, are poured into iron pan, are heated to 180~200 DEG C, are stirred with glass bar until dripping
Green melting completely, sequentially adds 4~5mL furfurals, 10~20g waste-tyre rubber-powders, continue to be stirred 15 with glass bar~
20min, then 200~300g is added with 4600~4800r/min, 45~60min of rotating speed cutting using emulsification pretreatment blender
Portland cement then continues 2~4h of shearing with 5000~5200r/min rotating speeds, after natural cooling solidification, by object in iron pan
Material is transferred to pulverizer, smashes it through 80~120 mesh sieve, obtains modified portland cement powder, spare；
（2）20~40mL methyltrimethoxysilane is measured successively, and three-necked flask is added in 140~160mL deionized waters
In, dropwise addition mass fraction is 8~10% hydrochloric acid, adjusts pH to 2.2~2.6, then flask immigration digital display is tested the speed temperature constant magnetic stirring
It it is 40~45 DEG C in temperature, under the conditions of rotating speed is 300~400r/min, constant temperature is stirred to react 3~5h in device；
（3）To the end of reaction, 55~60 DEG C are adjusted the temperature to, speed of agitator to 400~600r/min stirs shape in constant temperature
Under state, dropwise addition mass fraction is 10~15% ammonium hydroxide, adjusts pH to 10.5~10.8, continues thereafter with constant temperature and be stirred to react 2~4h,
It filters while hot, removes filtrate, filter cake is washed with deionized until cleaning solution is in neutrality, then gained filter cake is transferred in baking oven,
It dries under the conditions of being 105~110 DEG C in temperature and is placed in mortar to constant weight, then by the filter cake after drying, grind 10~15min,
Obtain polymer microballoon powder；
（4）It counts in parts by weight, sequentially adds 60~65 parts of portland cements in batch mixer, 20~30 parts of quartz sands, 3
~5 parts of calcium hydroxides, 2~4 parts of sodium lignin sulfonates, 15~20 parts of steps（1）Spare modified portland cement powder, 10~15
The above-mentioned resulting polymers microsphere powder of part, 3~5 parts of neopelexes, 4~6 parts of sodium citrates, 8~10 parts of dopamines
Hydrochloride, 200~220 parts of deionized waters are 60~65 DEG C in temperature, and under the conditions of rotating speed is 1200~1400r/min, constant temperature stirs
45~60min of mixing is mixed to get weather-proof cement-base waterproof coating.
The application process of the present invention：3 are rinsed through manually the concrete surface for doing waterproof will be needed to polish flat, then with clear water
~5 times, surface contaminants are removed, weather-proof cement-base waterproof coating obtained by the present invention is dipped using hairbrush, is applied to concrete table
Face, control brushing thickness is 1.0~1.2mm, to the end of brushing, 8~12h of room temperature curing, then plastic covering film, maintenance 2~4
It, you can.After testing, agent on crack resistance of concrete consolidation pressure improves 3~5 times compared with using conventional waterproof material, and service life extends 6~
It 8 years, in use, does not leak.
The beneficial effects of the invention are as follows：
（1）Gained water-repellent paint water resistance of the invention is good, brushes 1.0~1.2mm thickness, impermeability pressure can be made to improve
3 times or more, and in the case where there is water condition, waterproof material penetrates into inside cement, forms crystallization, it can self-heal crack；
（2）Gained water-repellent paint of the invention is nontoxic and pollution-free, and production and construction techniques are simple, and weather-proof strong, environment adapts to
Property is strong, is suitable for large area complex surface concrete works, in underground engineering, hydraulic engineering, power bridge, cistern, building
In the engineering waterproofings such as roofing, have a good application prospect.
Specific implementation mode
40~60g pitches are weighed, are poured into iron pan, are heated to 180~200 DEG C, with glass bar stirring until pitch
Melting completely, sequentially adds 4~5mL furfurals, 10~20g waste-tyre rubber-powders, continue to be stirred 15 with glass bar~
20min, then 200~300g is added with 4600~4800r/min, 45~60min of rotating speed cutting using emulsification pretreatment blender
Portland cement then continues 2~4h of shearing with 5000~5200r/min rotating speeds, after natural cooling solidification, by object in iron pan
Material is transferred to pulverizer, smashes it through 80~120 mesh sieve, obtains modified portland cement powder, spare；20~40mL first is measured successively
Base trimethoxy silane, 140~160mL deionized waters are added in three-necked flask, and dropwise addition mass fraction is 8~10% hydrochloric acid, is adjusted
PH is saved to 2.2~2.6, then flask immigration digital display is tested the speed in constant temperature blender with magnetic force, is 40~45 DEG C in temperature, rotating speed is
Under the conditions of 300~400r/min, constant temperature is stirred to react 3~5h；To the end of reaction, 55~60 DEG C are adjusted the temperature to, speed of agitator
To 400~600r/min, under constant temperature stirring, dropwise addition mass fraction be 10~15% ammonium hydroxide, adjust pH to 10.5~
10.8, it continues thereafter with constant temperature and is stirred to react 2~4h, filter while hot, remove filtrate, filter cake is washed with deionized until cleaning solution
It is in neutrality, then gained filter cake is transferred in baking oven, dried to constant weight under the conditions of being 105~110 DEG C in temperature, then will be after drying
Filter cake is placed in mortar, is ground 10~15min, is obtained polymer microballoon powder；It counts, is sequentially added in batch mixer in parts by weight
60~65 parts of portland cements, 20~30 parts of quartz sands, 3~5 parts of calcium hydroxides, 2~4 parts of sodium lignin sulfonates, 15~20 parts
Spare modified portland cement powder, 10~15 parts of above-mentioned resulting polymers microsphere powders, 3~5 parts of neopelexes,
4~6 parts of sodium citrates, 8~10 parts of dopamine hydrochlorides are 60~65 DEG C in temperature, and rotating speed is 1200~1400r/min conditions
Under, constant temperature is stirred 45~60min to get weather-proof cement-base waterproof coating.
Example 1
40g pitches are weighed, are poured into iron pan, are heated to 180 DEG C, with glass bar stirring until pitch melts completely,
4mL furfurals are sequentially added, 10g waste-tyre rubber-powders are continued to be stirred 15min with glass bar, then stirred using emulsification pretreatment
Machine is mixed, with 4600r/min rotating speed cutting 45min, 200g portland cements is added, then continues to cut with 5000r/min rotating speeds
2h is cut, after natural cooling solidification, material in iron pan is transferred to pulverizer, 80 mesh sieve is smashed it through, obtains modified portland cement
Powder, it is spare；20mL methyltrimethoxysilane is measured successively, and 140mL deionized waters are added in three-necked flask, and quality is added dropwise
Score is 8% hydrochloric acid, adjusts pH to 2.2, then flask immigration digital display is tested the speed in constant temperature blender with magnetic force, is 40 DEG C in temperature, turns
Under the conditions of speed is 300r/min, constant temperature is stirred to react 3h；To the end of reaction, 55 DEG C are adjusted the temperature to, speed of agitator to 400r/
Min, under constant temperature stirring, dropwise addition mass fraction is 10% ammonium hydroxide, adjusts pH to 10.5, continues thereafter with constant temperature and be stirred to react
2h is filtered while hot, removes filtrate, and filter cake is washed with deionized until cleaning solution is in neutrality, then gained filter cake is transferred to baking oven
In, it dries under the conditions of being 105 DEG C in temperature and is placed in mortar to constant weight, then by the filter cake after drying, grind 10min, must polymerize
Object microsphere powder；It counts in parts by weight, 60 parts of portland cements, 20 parts of quartz sands, 3 parts of hydroxides is sequentially added in batch mixer
Calcium, 2 parts of sodium lignin sulfonates, 15 parts of spare modified portland cement powder, 10 parts of above-mentioned resulting polymers microsphere powders, 3 parts
Neopelex, 4 parts of sodium citrates, 8 parts of dopamine hydrochlorides are 63 DEG C in temperature, and rotating speed is 1200r/min conditions
Under, constant temperature is stirred 45min to get weather-proof cement-base waterproof coating.
It being rinsed 3 times through manually the concrete surface for doing waterproof will be needed to polish flat, then with clear water, removing surface contaminants,
Weather-proof cement-base waterproof coating obtained by the present invention is dipped using hairbrush, is applied to concrete surface, control brushing thickness is
1.0mm, to the end of brushing, room temperature curing 8h, then plastic covering film, it conserves 2 days, you can.After testing, agent on crack resistance of concrete consolidation pressure
3 times are improved compared with using conventional waterproof material, service life extends 6 years, in use, does not leak.
Example 2
60g pitches are weighed, are poured into iron pan, are heated to 200 DEG C, with glass bar stirring until pitch melts completely,
5mL furfurals are sequentially added, 20g waste-tyre rubber-powders are continued to be stirred 20min with glass bar, then stirred using emulsification pretreatment
Machine is mixed, with 4800r/min rotating speed cutting 60min, 300g portland cements is added, then continues to cut with 5200r/min rotating speeds
4h is cut, after natural cooling solidification, material in iron pan is transferred to pulverizer, 120 mesh sieve is smashed it through, obtains modified portland cement
Powder, it is spare；40mL methyltrimethoxysilane is measured successively, and 160mL deionized waters are added in three-necked flask, and quality is added dropwise
Score is 10% hydrochloric acid, adjusts pH to 2.6, then flask immigration digital display is tested the speed in constant temperature blender with magnetic force, in temperature be 45 DEG C,
Under the conditions of rotating speed is 400r/min, constant temperature is stirred to react 5h；To the end of reaction, 60 DEG C are adjusted the temperature to, speed of agitator to 600r/
Min, under constant temperature stirring, dropwise addition mass fraction is 15% ammonium hydroxide, adjusts pH to 10.8, continues thereafter with constant temperature and be stirred to react
4h is filtered while hot, removes filtrate, and filter cake is washed with deionized until cleaning solution is in neutrality, then gained filter cake is transferred to baking oven
In, it dries under the conditions of being 110 DEG C in temperature and is placed in mortar to constant weight, then by the filter cake after drying, grind 15min, must polymerize
Object microsphere powder；It counts in parts by weight, 65 parts of portland cements, 30 parts of quartz sands, 5 parts of hydrogen-oxygens is sequentially added in batch mixer
Change calcium, 4 parts of sodium lignin sulfonates, 20 parts of spare modified portland cement powder, 15 parts of above-mentioned resulting polymers microsphere powders, 5
Part neopelex, 6 parts of sodium citrates, 10 parts of dopamine hydrochlorides, in temperature be 65 DEG C, rotating speed 1400r/min
Under the conditions of, constant temperature is stirred 60min to get weather-proof cement-base waterproof coating.
It being rinsed 5 times through manually the concrete surface for doing waterproof will be needed to polish flat, then with clear water, removing surface contaminants,
Weather-proof cement-base waterproof coating obtained by the present invention is dipped using hairbrush, is applied to concrete surface, control brushing thickness is
1.2mm, to the end of brushing, room temperature curing 12h, then plastic covering film, it conserves 4 days, you can.After testing, agent on crack resistance of concrete osmotic pressure
Power improves 5 times compared with using conventional waterproof material, and service life extends 8 years, in use, does not leak.
Example 3
50g pitches are weighed, are poured into iron pan, are heated to 190 DEG C, with glass bar stirring until pitch melts completely,
5mL furfurals are sequentially added, 15g waste-tyre rubber-powders are continued to be stirred 18min with glass bar, then stirred using emulsification pretreatment
Machine is mixed, with 4700r/min rotating speed cutting 58min, 250g portland cements is added, then continues to cut with 5100r/min rotating speeds
3h is cut, after natural cooling solidification, material in iron pan is transferred to pulverizer, 100 mesh sieve is smashed it through, obtains modified portland cement
Powder, it is spare；30mL methyltrimethoxysilane is measured successively, and 150mL deionized waters are added in three-necked flask, and quality is added dropwise
Score is 9% hydrochloric acid, adjusts pH to 2.4, then flask immigration digital display is tested the speed in constant temperature blender with magnetic force, is 43 DEG C in temperature, turns
Under the conditions of speed is 350r/min, constant temperature is stirred to react 4h；To the end of reaction, 58 DEG C are adjusted the temperature to, speed of agitator to 500r/
Min, under constant temperature stirring, dropwise addition mass fraction is 13% ammonium hydroxide, adjusts pH to 10.6, continues thereafter with constant temperature and be stirred to react
3h is filtered while hot, removes filtrate, and filter cake is washed with deionized until cleaning solution is in neutrality, then gained filter cake is transferred to baking oven
In, it dries under the conditions of being 108 DEG C in temperature and is placed in mortar to constant weight, then by the filter cake after drying, grind 13min, must polymerize
Object microsphere powder；It counts in parts by weight, 63 parts of portland cements, 25 parts of quartz sands, 4 parts of hydroxides is sequentially added in batch mixer
Calcium, 3 parts of sodium lignin sulfonates, 18 parts of spare modified portland cement powder, 13 parts of above-mentioned resulting polymers microsphere powders, 4 parts
Neopelex, 5 parts of sodium citrates, 9 parts of dopamine hydrochlorides are 62 DEG C in temperature, and rotating speed is 1300r/min conditions
Under, constant temperature is stirred 55min to get weather-proof cement-base waterproof coating.
It being rinsed 4 times through manually the concrete surface for doing waterproof will be needed to polish flat, then with clear water, removing surface contaminants,
Weather-proof cement-base waterproof coating obtained by the present invention is dipped using hairbrush, is applied to concrete surface, control brushing thickness is
1.1mm, to the end of brushing, room temperature curing 10h, then plastic covering film, it conserves 3 days, you can.After testing, agent on crack resistance of concrete osmotic pressure
Power improves 4 times compared with using conventional waterproof material, and service life extends 7 years, in use, does not leak.
Claims (1)
1. a kind of preparation method of weather-proof cement-base waterproof coating, it is characterised in that specifically preparation process is：
（1）40~60g pitches are weighed, are poured into iron pan, are heated to 180~200 DEG C, with glass bar stirring until pitch is complete
Full-fusing, sequentially adds 4~5mL furfurals, 10~20g waste-tyre rubber-powders, continue to be stirred 15 with glass bar~
20min, then 200~300g is added with 4600~4800r/min, 45~60min of rotating speed cutting using emulsification pretreatment blender
Portland cement then continues 2~4h of shearing with 5000~5200r/min rotating speeds, after natural cooling solidification, by object in iron pan
Material is transferred to pulverizer, smashes it through 120 mesh sieve, obtains modified portland cement powder, spare；
（2）20~40mL methyltrimethoxysilane is measured successively, and 140~160mL deionized waters are added in three-necked flask, drop
It is 8~10% hydrochloric acid to add mass fraction, adjusts pH to 2.2~2.6, then flask immigration digital display is tested the speed in constant temperature blender with magnetic force,
It it is 40~45 DEG C in temperature, under the conditions of rotating speed is 300~400r/min, constant temperature is stirred to react 3~5h；
（3）To the end of reaction, 55~60 DEG C are adjusted the temperature to, speed of agitator to 400~600r/min, in constant temperature stirring
Under, dropwise addition mass fraction is 10~15% ammonium hydroxide, adjusts pH to 10.5~10.8, continues thereafter with constant temperature and be stirred to react 2~4h, take advantage of
Heat filters, and removes filtrate, and filter cake is washed with deionized until cleaning solution is in neutrality, then gained filter cake is transferred in baking oven, in
Drying is placed in constant weight, then by the filter cake after drying in mortar under the conditions of temperature is 105~110 DEG C, is ground 10~15min, is obtained
Polymer microballoon powder；
（4）It counts in parts by weight, sequentially adds 60~65 parts of portland cements in batch mixer, 20~30 parts of quartz sands, 3~5
Part calcium hydroxide, 2~4 parts of sodium lignin sulfonates, 15~20 parts of steps（1）Spare modified portland cement powder, 10~15 parts
Step（3）Resulting polymers microsphere powder, 3~5 parts of neopelexes, 4~6 parts of sodium citrates, 8~10 parts of dopamines
Hydrochloride is 60~65 DEG C in temperature, and under the conditions of rotating speed is 1200~1400r/min, constant temperature is stirred 45~60min, i.e.,
Obtain weather-proof cement-base waterproof coating.
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| CN107337945B (en) * | 2017-08-14 | 2020-06-30 | 山东建筑大学 | Super-hydrophobic fluorine-containing cement-based coating and preparation method thereof |
| CN112029409A (en) * | 2020-08-21 | 2020-12-04 | 东南大学 | Polydopamine concrete hydrophobic coating material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011699A (en) * | 2011-09-26 | 2013-04-03 | 高伟东 | Waterproof paint |
| CN104673087A (en) * | 2015-02-02 | 2015-06-03 | 安徽省东瑞装饰材料有限公司 | Anti-flaking waterproof coating material for buildings and preparation method thereof |
| CN105837112A (en) * | 2016-03-22 | 2016-08-10 | 华南理工大学 | Two-component polymer cement waterproof coating |
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2016
- 2016-10-14 CN CN201610897069.8A patent/CN106495603B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011699A (en) * | 2011-09-26 | 2013-04-03 | 高伟东 | Waterproof paint |
| CN104673087A (en) * | 2015-02-02 | 2015-06-03 | 安徽省东瑞装饰材料有限公司 | Anti-flaking waterproof coating material for buildings and preparation method thereof |
| CN105837112A (en) * | 2016-03-22 | 2016-08-10 | 华南理工大学 | Two-component polymer cement waterproof coating |
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