CN107285673A - A kind of cement-base concrete water-repellent paint and its preparation and application - Google Patents
A kind of cement-base concrete water-repellent paint and its preparation and application Download PDFInfo
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- CN107285673A CN107285673A CN201710557816.8A CN201710557816A CN107285673A CN 107285673 A CN107285673 A CN 107285673A CN 201710557816 A CN201710557816 A CN 201710557816A CN 107285673 A CN107285673 A CN 107285673A
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- 239000004567 concrete Substances 0.000 title claims abstract description 44
- 239000003973 paint Substances 0.000 title claims abstract description 31
- 239000005871 repellent Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910001868 water Inorganic materials 0.000 claims abstract description 50
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 46
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims abstract description 46
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 42
- 239000005997 Calcium carbide Substances 0.000 claims abstract description 25
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 25
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 25
- 239000004571 lime Substances 0.000 claims abstract description 25
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 24
- 239000004576 sand Substances 0.000 claims abstract description 23
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 22
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 22
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 21
- 239000004317 sodium nitrate Substances 0.000 claims abstract description 21
- 235000010344 sodium nitrate Nutrition 0.000 claims abstract description 21
- 239000001110 calcium chloride Substances 0.000 claims abstract description 20
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 20
- 239000004568 cement Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims description 17
- 235000011148 calcium chloride Nutrition 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 11
- 235000017550 sodium carbonate Nutrition 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 238000013139 quantization Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 230000036541 health Effects 0.000 abstract description 4
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 20
- 238000000576 coating method Methods 0.000 description 20
- 239000002585 base Substances 0.000 description 14
- 238000010348 incorporation Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910014813 CaC2 Inorganic materials 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007785 strong electrolyte Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- -1 wherein Substances 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
- E04B1/644—Damp-proof courses
-
- 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
-
- 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
-
- 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
-
- 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
- C04B2111/76—Use at unusual temperatures, e.g. sub-zero
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Paints Or Removers (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
Abstract
The invention discloses a kind of cement-base concrete water-repellent paint, its drip irrigation device is, this cement-base concrete water-repellent paint, in parts by weight, including following material and parts by weight：0.9 1.8 parts of sodium nitrate, 23 parts of sodium carbonate, 2.5 3.6 parts of sodium sulphate, 0.05 0.15 parts of calcium chloride, 0.75 1.15 parts of calcium carbide, 0.8 1 parts of lime, 36 40 parts of cement, 39 49 parts of sand, 8 10 parts of water, the present invention is intended to provide a kind of cement-base concrete water-repellent paint, health environment-friendly, cost are relatively low, and film forming matter setting time is short, weatherability is good, be difficult to peel off.
Description
Technical field
The present invention relates to building material field, more specifically, it relates to a kind of cement-base concrete water-repellent paint and its
Preparation and application.
Background technology
Concrete be it is a kind of by binder materials by the cementing integral engineered composite material of aggregate, in building material field
In, it is widely used.After concrete hardening, because the evaporation of moisture leaves substantial amounts of slit structure, carbon dioxide, water, chlorine from
Under the corrosion function of the media such as son, sulfate, unavoidably influenceed and corroded by foeign element, concrete can accelerate brokenly
Bad, service life can be greatly shortened.Therefore, often protection work is played by applying water-repellent paint in concrete surface in engineering
With existing water-repellent paint is mostly the compound using cement as base-material, and its performance depends on the kind of chemical additional agent, compatibility
It is improper, side effect can be produced unavoidably, and its efficiency mainly depends on the wearability of coating, the surface treatment of concrete structure, film forming
The setting time and complex components of material penetrate into the ability of concrete pore.
The research on mixed mud structurally waterproof coating has much in the market, predominantly two major classes, and a class is polyamine
Lipid waterproof coating, such water-repellent paint is when applying generally using containing the organic solvent such as toluene, dimethylbenzene come dilute
Release, toxicity is stronger；Another kind of is emulsion, for example, a kind of emulsifier-free emulsion polymerization is obtained disclosed in Patent No. 201210480382.3
The silane-modified acrylic emulsion with normal temperature crosslinked feature arrived, such emulsion when large area is applied cost compared with
Height, and the main component of the water-repellent paint of both types its chemical additional agent is organic polymer paint film, film forming matter coagulates
Gu the time is long, weatherability is poor, and the immiscible disadvantage in interface often occur in composite formulations, in general 2 to 3 years, with gas
Temperature change is expanded with heat and contract with cold, and will ftracture stripping.
To sum up, a kind of health environment-friendly, cost how to be provided relatively low, and film forming matter setting time is short, weatherability is good, attachment
The strong not flaky concrete water-proof coating of power, is the technical barrier that those skilled in the art remain unsolved.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of cement-base concrete water-repellent paint,
Health environment-friendly, cost are relatively low, and film forming matter setting time is short, weatherability is good, be difficult to peel off.
To achieve the above object, the invention provides a kind of cement-base concrete water-repellent paint, described cement base coagulation
Native water-repellent paint, in parts by weight, including following material and parts by weight：0.9-1.8 parts of sodium nitrate, 2-3 parts of sodium carbonate, sodium sulphate
2.5-3.6 parts, 0.05-0.15 parts of calcium chloride, 0.75-1.15 parts of calcium carbide, 0.8-1 parts of lime, 36-40 parts of cement, sand 39-49
Part, 8-10 parts of water.
It is preferred that, a kind of cement-base concrete water-repellent paint, in parts by weight, including following material and parts by weight：Nitric acid
1.4 parts of sodium, 2.5 parts of sodium carbonate, 3 parts of sodium sulphate, 0.1 part of calcium chloride, 0.9 part of calcium carbide, 0.9 part of lime, 38.2 parts of cement, sand
44 parts, 9 parts of water.
To achieve the above object, present invention also offers a kind of preparation method of cement-base concrete water-repellent paint, it is special
Levy and be, comprise the following steps：
（1）Sodium nitrate, sodium carbonate, the preparation of sodium sulphate and calcium chloride, sodium nitrate, sodium carbonate, sodium sulphate and calcium chloride are placed in
Processing is dried in baking oven, its water capacity is detected, the water capacity of sodium nitrate, sodium carbonate, sodium sulphate and calcium chloride is controlled
In the range of 3%-6%；
（2）The preparation of calcium carbide, calcium carbide particle is rolled, and is crushed to particle diameter to be placed in baking oven after 0.16-0.30mm
Processing is dried, water capacity is detected, the water capacity of calcium carbide is controlled in the range of 6%-8%；
（3）The preparation of lime, lime is rolled, be crushed to particle diameter for be placed on after 0.16-0.20mm 1000 °C-
It is dried in 1500 °C of electric furnace, drying time is 4 hours, detects water capacity, the water capacity of lime is controlled in 2%-3% models
In enclosing；
（4）The preparation of sand, sand is rolled, and is crushed to and is placed on after 0.16-0.20mm in 150 °C -200 °C of baking oven
Processing is dried, drying time is 4 hours, detects water capacity, the water capacity of sand is controlled 3%；
（5）The preparation of composite dry powder, sodium nitrate, sodium carbonate, sodium sulphate, calcium chloride, calcium carbide, lime, cement and sand are pressed
Stirred after being mixed according to weight percent content；
（6）Dry mash adds water into the preparation of slurry, by step（5）The composite dry powder of gained is stirred after being added water according to percentage by weight
15 minutes.
To achieve the above object, present invention also offers a kind of application method of cement-base concrete water-repellent paint, it is special
Levy and be, comprise the following steps：
（1）Concrete structural surface is cleaned, quantization parameter is reached 1.15-1.36；
（2）During engineer applied, dry mash is added water and is configured to slurry, homogenous application is in concrete structural surface.
The present invention has advantages below compared with conventional concrete water-repellent paint：
（1）The each component of the present invention all has given efficacy, wherein, sodium nitrate（NaNO3）It can be used for promoting hardening and suppress
The effect of reinforcement in concrete corrosion, sodium carbonate（Na2CO3）Plasticising can be played, promote hardening and improves the work of concrete strength
With sodium sulphate（Na2SO4）As plasticiser, the uniform mixed chemical reaction of mortar can be made in complex systems, is assigned flexible
Property, prevent cracking, enhancing is impervious, calcium chloride（CaCl2）As a kind of strong electrolyte, hydrated reaction of cement can be promoted, carried
High frost resistance, calcium carbide（CaC2）It can be used for the gas for removing compound protective layer, strengthen the compactness of coating surface, lime
（CaO）In compound powder preparatory phase, powder exsiccation is played, cement is the host of composite coating, and sand is compound
The filling of protective layer is gathered materials；
（2）The incorporation of each component of the present invention has strict requirements according to displacement chemical reaction and middle chemical reaction, it is to avoid
The side effect unfavorable to coating is produced, wherein, sodium nitrate（NaNO3）Incorporation according to percentage by weight be 0.9%-1.8%, keep away
Exempt from that consumption is too low to be chemically reacted with calcium hydroxide, it is too high to cause chemical reaction rapidly, it is unfavorable for same with other chemical compositions
Step chemical reaction, sodium carbonate（Na2CO3）Incorporation according to percentage by weight be 2%-3%, it is to avoid consumption is too low to Behavior of Hardened Cement Paste
Gel is too high without effect, causes excessive colloid to generate, and delays the formation of Behavior of Hardened Cement Paste, sodium sulphate（Na2SO4）Incorporation press
It is 2.5%-3.6% according to percentage by weight, it is to avoid consumption is too low not to work, too high, delays cement slurry sets, dredges protective layer
Pine, calcium chloride（CaCl2）Incorporation according to percentage by weight be 0.05%-0.15%, it is to avoid consumption is too low not to work, incorporation
Amount is too high to cause coating surface to analyse alkali seriously more than 0.15%, just as fish scale-shaped, calcium carbide（CaC2）Incorporation according to weight
Percentage is 0.75%-1.15%, it is to avoid the too low non-catalytic reaction effect of consumption, too high then to aggravate because of exothermic reaction, protective layer
Cracking, lime can be dehydrated（CaO）Incorporation according to percentage by weight be 0.8%-1%, it is to avoid consumption is too low not to work, too high
The particle of lime can be then caused to sink in mortar, the incorporation of cement is 36%-40% according to percentage by weight, it is to avoid consumption mistake
Low to cause protective layer insufficient strength, consumption is too high to cause protective layer shrinkage cracking, and the incorporation of sand is according to percentage by weight
39%-49%, it is to avoid consumption is too low to cause coating by temperature change shrinkage cracking, the too high intensity drop for causing coating final of consumption
It is low；
（3）The particle diameter of calcium carbide is 0.16-0.30mm in the present invention, and too small can not meet of particle diameter can be avoided expected to make water
Dynamics and can not meet the temperature of hydration reaction requirement that compound is decomposed, particle diameter is excessive, is difficult to calcium carbide in the composite
It is uniformly distributed, prepares after slurry, the consolidation reaction of coating is also uneven, the particle diameter of lime is 0.16-0.20mm, it is ensured that its
Reacted completely with water, it is to avoid particle diameter is too small to make activity decrease, the excessive influence lime of particle diameter being uniformly distributed in the composite, sand
Particle diameter is 0.16-0.20mm, it is ensured that the cleannes of sand, improves coating quality；
（4）The moisture of each component of the present invention has strict demand, and then improves the quality of coating, wherein, sodium nitrate, carbonic acid
The water capacity of sodium, sodium sulphate and calcium chloride is controlled in the range of 3%-6%, is inhaled naturally after avoiding the too low ingress of air of water capacity
Wet, up to homogenous level, excess moisture can then be reacted with water and be passivated loss of activity, and the water capacity of calcium carbide is controlled 6-8%
In the range of, it is to avoid water capacity is too low, and aquation group critical mass is not up to standard, and compound loses its basic performance, excess moisture
It can then cause calcium carbide to be reacted with water, lose activity；
（5）Lime drying is implemented in 1000 °C -1500 °C of electric furnace, by so high temperature control, on the one hand can be with
Remove moisture removal；On the other hand there is calcining, lime is calcined again completely；
（6）Film forming matter setting time of the present invention is short, and without volatility, more environmentally-friendly health；
（7）Cost of the present invention is relatively low, it is adaptable to which large area is applied.
Embodiment
Embodiment 1：
A kind of cement-base concrete water-repellent paint, in parts by weight, including following material and parts by weight：1.4 parts of sodium nitrate, carbonic acid
2.5 parts of sodium, 3 parts of sodium sulphate, 0.1 part of calcium chloride, 0.9 part of calcium carbide, 0.9 part of lime, 38.2 parts of cement, 44 parts of sand, 9 parts of water.
A kind of preparation method of cement-base concrete water-repellent paint, comprises the following steps：
（1）Sodium nitrate, sodium carbonate, the preparation of sodium sulphate and calcium chloride, sodium nitrate, sodium carbonate, sodium sulphate and calcium chloride are placed in
Processing is dried in baking oven, its water capacity is detected, the water capacity of sodium nitrate, sodium carbonate, sodium sulphate and calcium chloride is controlled
In the range of 4.5%；
（2）The preparation of calcium carbide, calcium carbide particle is rolled, and is crushed to particle diameter and is done to be placed in after 0.2mm in baking oven
Dry processing, detects water capacity, the water capacity of calcium carbide is controlled 7%；
（3）The preparation of lime, lime is rolled, and is crushed to particle diameter to be placed in 1200 °C of electric furnace after 0.18mm
Row drying, drying time is 4 hours, detects water capacity, the water capacity of lime is controlled 2.5%；
（4）The preparation of sand, sand is rolled, and is crushed to be placed on after 0.18mm in 170 °C of baking oven place is dried
Reason, drying time is 4 hours, detects water capacity, the water capacity of sand is controlled 3%；
（5）The preparation of composite dry powder, sodium nitrate, sodium carbonate, sodium sulphate, calcium chloride, calcium carbide, lime, cement and sand are pressed
Stirred after being mixed according to weight percent content；
（6）Dry mash adds water into the preparation of slurry, by step（5）The composite dry powder of gained is stirred after being added water according to percentage by weight
15 minutes.
A kind of application method of cement-base concrete water-repellent paint, comprises the following steps：
（1）Concrete structural surface is cleaned, quantization parameter is reached 1.2；
（2）During engineer applied, dry mash is added water and is configured to slurry, homogenous application is in concrete structural surface.
Embodiment 2
A kind of preparation and application of cement-base concrete water-repellent paint is identical in the present embodiment, and wherein technical parameter is different
It is：
This cement-base concrete water-repellent paint, in parts by weight, including following material and parts by weight：0.9 part of sodium nitrate, carbonic acid
2 parts of sodium, 2.5 parts of sodium sulphate, 0.05 part of calcium chloride, 0.75 part of calcium carbide, 0.8 part of lime, 36 parts of cement, 39 parts of sand, 8 parts of water.
Comparative example：
Commercially available prod Aksu concrete mortar coating water-proof coating, model Intercrete4851, homogenous application is in coagulation
Soil structure surface.
Performance test：
According to building industry industry product standard JG/T335-2011《Film-forming type coating is used in concrete structure protection》In method
Be measured, wherein, more than 200 times Frozen-thawed cycleds without coming off, rupture, foaming phenomena, then frost resistance meet national standard, at least
Artificial accelerated aging 1000h foamings, peeling, chalk rating are 0, then weatherability meets national standard, determine anti-by pulling open method
Power required during attachment destruction meets national standard, carbon more than 1.5MPa, the then adhesive force of coating between water paint and concrete
It is the carbonation depth after coating concrete protection coating and the carbonation depth after uncoated concrete protection coating to change depth ratio
Percentage, meets national standard less than 20%, and numerical value is smaller, shows that anti-carbonation properties are better.
A kind of performance of cement-base concrete water-repellent paint of the invention is substantially better than contrast it can be seen from test result
Example, weatherability is good, it is stronger to penetrate into the ability of concrete pore, is difficult to peel off.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of cement-base concrete water-repellent paint, it is characterised in that described cement-base concrete water-repellent paint, with parts by weight
Meter, including following material and parts by weight：0.9-1.8 parts of sodium nitrate, 2-3 parts of sodium carbonate, 2.5-3.6 parts of sodium sulphate, calcium chloride
0.05-0.15 parts, 0.75-1.15 parts of calcium carbide, 0.8-1 parts of lime, 36-40 parts of cement, 39-49 parts of sand, 8-10 parts of water.
2. a kind of cement-base concrete water-repellent paint according to claim 1, it is characterised in that described cement base is mixed
Solidifying soil water-repellent paint, in parts by weight, including following material and parts by weight：1.4 parts of sodium nitrate, 2.5 parts of sodium carbonate, sodium sulphate 3
Part, 0.1 part of calcium chloride, 0.9 part of calcium carbide, 0.9 part of lime, 38.2 parts of cement, 44 parts of sand, 9 parts of water.
3. a kind of a kind of preparation method of cement-base concrete water-repellent paint described in claim 1 or 2, it is characterised in that bag
Include following steps：
（1）Sodium nitrate, sodium carbonate, the preparation of sodium sulphate and calcium chloride, sodium nitrate, sodium carbonate, sodium sulphate and calcium chloride are placed in
Processing is dried in baking oven, its water capacity is detected, the water capacity of sodium nitrate, sodium carbonate, sodium sulphate and calcium chloride is controlled
In the range of 3%-6%；
（2）The preparation of calcium carbide, calcium carbide particle is rolled, and is crushed to particle diameter to be placed in baking oven after 0.16-0.30mm
Processing is dried, water capacity is detected, the water capacity of calcium carbide is controlled in the range of 6%-8%；
（3）The preparation of lime, lime is rolled, be crushed to particle diameter for be placed on after 0.16-0.20mm 1000 °C-
It is dried in 1500 °C of electric furnace, drying time is 4 hours, detects water capacity, the water capacity of lime is controlled in 2%-3% models
In enclosing；
（4）The preparation of sand, sand is rolled, and is crushed to and is placed on after 0.16-0.20mm in 150 °C -200 °C of baking oven
Processing is dried, drying time is 4 hours, detects water capacity, the water capacity of sand is controlled 3%；
（5）The preparation of composite dry powder, sodium nitrate, sodium carbonate, sodium sulphate, calcium chloride, calcium carbide, lime, cement and sand are pressed
Stirred after being mixed according to weight percent content；
（6）Dry mash adds water into the preparation of slurry, by step（5）The composite dry powder of gained is stirred after being added water according to percentage by weight
15 minutes.
4. a kind of a kind of application method of cement-base concrete water-repellent paint described in claim 1 or 2, it is characterised in that bag
Include following steps：
（1）Concrete structural surface is cleaned, quantization parameter is reached 1.15-1.36；
（2）During engineer applied, dry mash is added water and is configured to slurry, homogenous application is in concrete structural surface.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107739613A (en) * | 2017-11-16 | 2018-02-27 | 中国铁路设计集团有限公司 | A kind of soil composite modifying agent of frost heaving resistant |
| CN109441023A (en) * | 2018-11-06 | 2019-03-08 | 河南金拇指防水科技股份有限公司 | A kind of method that water-proof acrylic acid paint is laid with |
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| US20050092210A1 (en) * | 2003-10-30 | 2005-05-05 | Radtke Clifford J.Jr. | Method of forming hydraulic cement protective coatings |
| CN102464476A (en) * | 2010-11-16 | 2012-05-23 | 上海高科建筑防水涂料厂 | Cement-based permeable crystallization type waterproof coating |
| CN103387358A (en) * | 2013-08-16 | 2013-11-13 | 张国宏 | Waterproof coating and preparation method thereof |
| CN103694830A (en) * | 2013-12-06 | 2014-04-02 | 成都嘉新科技集团有限公司 | Polymer cement waterproof coating |
| CN104961408A (en) * | 2015-06-18 | 2015-10-07 | 郑州赛诺建材有限公司 | Exterior wall waterproof material |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050092210A1 (en) * | 2003-10-30 | 2005-05-05 | Radtke Clifford J.Jr. | Method of forming hydraulic cement protective coatings |
| CN102464476A (en) * | 2010-11-16 | 2012-05-23 | 上海高科建筑防水涂料厂 | Cement-based permeable crystallization type waterproof coating |
| CN103387358A (en) * | 2013-08-16 | 2013-11-13 | 张国宏 | Waterproof coating and preparation method thereof |
| CN103694830A (en) * | 2013-12-06 | 2014-04-02 | 成都嘉新科技集团有限公司 | Polymer cement waterproof coating |
| CN104961408A (en) * | 2015-06-18 | 2015-10-07 | 郑州赛诺建材有限公司 | Exterior wall waterproof material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107739613A (en) * | 2017-11-16 | 2018-02-27 | 中国铁路设计集团有限公司 | A kind of soil composite modifying agent of frost heaving resistant |
| CN109441023A (en) * | 2018-11-06 | 2019-03-08 | 河南金拇指防水科技股份有限公司 | A kind of method that water-proof acrylic acid paint is laid with |
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| Publication number | Publication date |
|---|---|
| CN107285673B (en) | 2019-12-24 |
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Effective date of registration: 20240507 Address after: Room 104, No. 9-1 Guzhen West Road, Longmen San Village, Longmen Town, Fuyang District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Zhejiang Lihang Rail Transit Industry Development Co.,Ltd. Country or region after: China Address before: Room 335, East Block, 3rd Floor, Building 1, No. 268 Moganshan Road, Gongshu District, Hangzhou City, Zhejiang Province, 310000 Patentee before: HANGZHOU PAHE ENERGY SAVING TECHNOLOGY DEVELOPMENT CO.,LTD. Country or region before: China |