CN115784683A - High-performance polymer cement-based waterproof coating for hydraulic buildings - Google Patents
High-performance polymer cement-based waterproof coating for hydraulic buildings Download PDFInfo
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- CN115784683A CN115784683A CN202211437663.0A CN202211437663A CN115784683A CN 115784683 A CN115784683 A CN 115784683A CN 202211437663 A CN202211437663 A CN 202211437663A CN 115784683 A CN115784683 A CN 115784683A
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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
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
- C04B2111/00155—Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
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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
- C04B2111/00241—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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a high-performance polymer cement-based waterproof coating for hydraulic buildings, which consists of three components A, B and C, wherein the component A comprises cement, quartz powder, wollastonite powder, fly ash, titanium dioxide and powder auxiliary agent; the component B is a water-curing polyurethane prepolymer; the component C consists of water, a water reducing agent, a flatting agent and a defoaming agent. The product is a polymer cement-based coating, and is firmly bonded with a concrete base surface; and has the characteristics of strong water impermeability, excellent anti-abrasion performance, sustainable improvement after water soaking with tensile strength, high cost performance and the like. The method is particularly suitable for protecting the surface of the hydraulic structure in a humid and water-soaking environment, and has a huge application prospect.
Description
The application is a divisional application with the application date of 2020, 03 and 27 months and the application number of 202010227612.X, and the invention name of 'a high-performance polymer cement-based waterproof coating for hydraulic engineering buildings'.
Technical Field
The invention relates to the technical field of waterproof coatings, in particular to a high-performance polymer cement-based waterproof coating for hydraulic buildings.
Background
With the need of social development, higher requirements are put on the waterproof performance of hydraulic concrete buildings, especially water delivery buildings, concrete is a natural porous structure, and is prone to performance degradation under a long-term water soaking environment, so that phenomena such as leakage, cracking, peeling and the like are caused, the service time of the concrete is influenced, the main structure of the hydraulic building is damaged, and research and development of a special waterproof material for the hydraulic building with excellent performance are hot spots in recent years.
The existing high polymer modified asphalt coiled material, plastic waterproof board and polymer waterproof material achieve the aim of water prevention through the action of external packing and sealing; the self-waterproof effect of the concrete is improved by improving the density and compactness of the concrete. The former is easy to cause the phenomena of leakage at the edge of the coiled material, peeling of a waterproof layer and the like, and is not suitable for surface protection of hydraulic buildings flushed by high-speed water flow, particularly sand-carried water flow; the latter is easy to crack and leak due to the rigidity of the concrete, especially the defects of pits and pitted surfaces and the like which are generated under the long-term high-speed water flow flushing. Therefore, it is required to develop a high-performance polymer cement-based waterproof coating material which is firmly bonded with concrete, has excellent bonding durability after long-term high-speed water flow washing, and has good waterproof effect.
Disclosure of Invention
Aiming at the problems pointed out in the background technology, the invention provides a high-performance polymer cement-based waterproof coating for hydraulic buildings, which has the characteristics of strong water impermeability, excellent impact resistance and wear resistance, firm bonding with a wet concrete base surface, sustainable improvement of tensile strength, high cost performance and the like.
The technical scheme of the invention is realized as follows:
a high-performance polymer cement-based waterproof coating for hydraulic buildings is characterized in that: consists of three components of a component A, a component B and a component C;
the component A comprises, by weight, 21 parts of 52.5 ordinary portland cement, 25 parts of 52.5 white cement, 6 parts of quartz powder I, 30 parts of quartz powder II, 12 parts of quartz powder III, 0.1 part of wollastonite powder, 0.2 part of fly ash, 2 parts of titanium dioxide, 1 part of calcium oxide, 1.7 parts of calcium hydroxide and 1 part of gas silica; the component B is 120 parts of water-cured polyurethane prepolymer with NCO content of 0.5%; the component C comprises 10.5 parts of water, 1.1 parts of water reducing agent, 0.55 part of flatting agent and 0.55 part of defoaming agent;
or the high-performance polymer cement-based waterproof coating for the hydraulic buildings consists of the following raw materials: the component A comprises, by weight, 21 parts of 42.5 ordinary portland cement, 25 parts of 52.5 white cement, 5 parts of quartz powder I, 28 parts of quartz powder II, 15 parts of quartz powder III, 0.1 part of wollastonite powder, 0.2 part of fly ash, 2.5 parts of titanium dioxide, 1 part of calcium oxide, 1.7 parts of calcium hydroxide and 1.5 parts of gas silica; the component B is 120 parts of water-cured polyurethane prepolymer with NCO content of 1%; the component C comprises 11 parts of water, 1.2 parts of a water reducing agent, 0.6 part of a flatting agent and 0.6 part of a defoaming agent;
or the high-performance polymer cement-based waterproof coating for the hydraulic buildings consists of the following raw materials: the component A comprises 16 parts by weight of 52.5 ordinary portland cement, 30 parts by weight of 52.5 white cement, 6 parts by weight of quartz powder I, 30 parts by weight of quartz powder II, 12 parts by weight of quartz powder III, 0.1 part by weight of wollastonite powder, 0.2 part by weight of fly ash, 2 parts by weight of titanium dioxide, 1.3 parts by weight of calcium oxide and 1.4 parts by weight of calcium hydroxide; the component B is 120 parts of water-cured polyurethane prepolymer with NCO content of 2%; the component C comprises 10.5 parts of water, 1.1 parts of water reducing agent, 0.55 part of flatting agent and 0.55 part of defoaming agent;
the preparation method of the water-curing polyurethane prepolymer comprises the following steps:
(1) 500g of polyether triol, polyether diol and epoxy modified polyether are weighed according to a certain mass ratio, and are subjected to pressure reduction dehydration pretreatment for later use, wherein the water content of the pretreated polyether triol, polyether diol and epoxy modified polyether is lower than 0.05 percent in terms of mass fraction; (2) adding 0.3-0.5 g of polymerization inhibitor benzoyl chloride in the step 1, stirring to a uniform state, heating to 60-85 ℃, adding polyisocyanate, adding 0-0.2 g of organic tin catalyst, reacting for 2-4 h, and performing vacuum defoaming to obtain a water-cured polyurethane prepolymer, wherein the isocyanate content in the prepolymer is 0.5-2.5%;
the mass ratio of the polyether triol to the polyether diol to the epoxy modified polyether is 1:0.2 to 0.3: 0.02-0.2, the polyisocyanate is diisocyanate and is at least one of TDI, IPDI, MDI and HMDI; the polyether triol is polyether 330N, the polyether diol is N-220, and the epoxy modified polyether is SIMALINEIE2002.
Preferably, the leveling agent is at least one of polydimethylsiloxanes and modified polysiloxanes.
Preferably, the defoaming agent is a polyether modified silicon cement mortar defoaming agent.
In summary, the beneficial effects of the invention are as follows:
(1) The high-performance polymer cement-based waterproof coating for the hydraulic building provided by the invention has the advantages that the tensile strength can be continuously increased after long-term soaking in water, and the maximum tensile strength can reach more than 25 MPa;
(2) The high-performance polymer cement-based waterproof coating for hydraulic structures provided by the invention has excellent mechanical properties, the strength reaches more than 20MPa after natural curing for 7 days, the elongation reaches more than 3%, the underwater steel ball method has the anti-abrasion strength of more than 500 h/(kg/m < 2 >) after 28 days, the water impermeability (0.3 MPa, 30min) is excellent, and the high-performance polymer cement-based waterproof coating is particularly suitable for surface protection of hydraulic water transportation tunnels with concrete and granite structures;
(3) The high-performance polymer cement-based waterproof coating for hydraulic buildings provided by the invention has excellent bonding performance with dry and wet base surfaces of concrete or rock base surfaces, and particularly the bonding performance under long-term soaking/freezing and thawing can still reach more than 2.5 MPa;
(4) The high-performance polymer cement-based waterproof coating for the hydraulic buildings, provided by the invention, has the advantages of high cost performance, capability of being sprayed and brushed by hands in the construction aspect, easiness in popularization and huge prospect.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
A high-performance polymer cement-based waterproof coating comprises three components, namely a component A, a component B and a component C, wherein the weight ratio of the component A to the component B to the component C is 1:1.2 to 1.7:0.1 to 0.2.
The component A consists of cement, quartz powder, wollastonite powder, fly ash, titanium dioxide, a gas absorbent and a thickening agent; the component B is a water-curing polyurethane prepolymer; the component C consists of water, a water reducing agent, a flatting agent and a defoaming agent
Preferably, the cement is cement with strength marks of 42.5, 42.5R, 52.5 and 52.5R, and comprises at least one of ordinary portland cement, early strength portland cement, sulphoaluminate cement, sulphate cement, slag cement and white cement.
Preferably, the quartz powder is quartz powder with different mesh number grades, and comprises three kinds of quartz powder, namely 200-300 mesh quartz powder I, 600-800 mesh quartz powder II and 900-1200 mesh quartz powder III, wherein the mass ratio of the quartz powder I to the quartz powder II to the quartz powder III is 1:5 to 6:2 to 3.
Preferably, the gas absorbent is a mixed powder of calcium oxide and calcium hydroxide, wherein the mass ratio of the calcium oxide to the calcium hydroxide is 1:0.2 to 5.
Preferably, the thickening agent is at least one of cellulose ethers, organic bentonites and gas silicon, and the thickening agent can improve the viscosity and thixotropy of the paint.
Preferably, the water-curable polyurethane prepolymer is a prepolymer of polyether polyol and diisocyanate, wherein the preparation method of the water-curable polyurethane prepolymer comprises the following steps:
(1) weighing 500g of polyether triol (polyether 330N), polyether diol (N-220) and epoxy modified polyether (SIMALINEIE 2002) according to a certain mass ratio, and performing pressure reduction dehydration pretreatment for later use, wherein the water content (in mass fraction) after pretreatment is lower than 0.05%;
(2) 0.3-0.5 g of polymerization inhibitor benzoyl chloride is added in the step 1 and stirred to be in a uniform state, then the temperature is raised to 60-85 ℃, polyisocyanate is added, 0-0.2 g of organic tin catalyst is added, and after 2-4 h of reaction, vacuum defoaming is carried out to obtain the water-cured polyurethane prepolymer, wherein the content of isocyanate in the prepolymer is 0.5-2.5%.
Preferably, the mass ratio of the polyether triol (polyether 330N), the polyether diol (N-220) and the epoxy modified polyether (SIMALINEIE 2002) is 1:0.2 to 0.3: 0.02-0.2, wherein the polyisocyanate is diisocyanate and is at least one of TDI, IPDI, MDI and HMDI.
Preferably, the leveling agent is at least one of polydimethylsiloxanes and modified polysiloxanes. The defoaming agent is polyether modified silicon cement mortar defoaming agent, and the defoaming agent can inhibit bubbles generated in the coating.
The first embodiment is as follows:
a high-performance polymer cement-based waterproof coating comprises, by weight, 21 parts of 52.5 ordinary portland cement, 25 parts of 52.5 white cement, 6 parts of quartz powder I, 30 parts of quartz powder II, 12 parts of quartz powder III, 0.1 part of wollastonite powder, 0.2 part of fly ash, 2 parts of titanium dioxide, 1 part of calcium oxide, 1.7 parts of calcium hydroxide, 1 part of silicon dioxide, 120 parts of a water-curing polyurethane prepolymer with NCO content of 0.5%, 10.5 parts of water, 1.1 part of a water reducing agent, 0.55 part of a leveling agent and 0.55 part of an antifoaming agent.
Example two:
a high-performance polymer cement-based waterproof coating comprises, by weight, 21 parts of 42.5 ordinary portland cement, 25 parts of 52.5 white cement, 5 parts of quartz powder I, 28 parts of quartz powder II, 15 parts of quartz powder III, 0.1 part of wollastonite powder, 0.2 part of fly ash, 2.5 parts of titanium dioxide, 1 part of calcium oxide, 1.7 parts of calcium hydroxide, 1.5 parts of aerosil, 120 parts of a water-curing polyurethane prepolymer with 1% of NCO content, 11 parts of water, 1.2 parts of a water reducing agent, 0.6 part of a leveling agent and 0.6 part of a defoaming agent.
Example three:
a high-performance polymer cement-based waterproof coating comprises, by weight, 16 parts of 52.5 ordinary portland cement, 30 parts of 52.5 white cement, 6 parts of quartz powder I, 30 parts of quartz powder II, 12 parts of quartz powder III, 0.1 part of wollastonite powder, 0.2 part of fly ash, 2 parts of titanium dioxide, 1.3 parts of calcium oxide, 1.4 parts of calcium hydroxide, 120 parts of a water-curing polyurethane prepolymer with NCO content of 2%, 10.5 parts of water, 1.1 parts of a water reducing agent, 0.55 part of a leveling agent and 0.55 part of a defoaming agent.
The high-performance polymer cement-based waterproof coating prepared by adopting the technical scheme has the comparison effects with JS coating products in the market as shown in the following table 1 after tests are carried out:
table 1: comparison of test results of examples and comparative examples
In the table tensile strength, dry adhesion, wet adhesion and water impermeability are tested according to GB/T23445-2009; the soaking and maintaining conditions are as follows: maintaining for 7 days according to GB/T23445-2009 standard environment, and continuing soaking and maintaining for 7 days at room temperature; soaking, bonding and maintaining conditions and soaking and stretching; the abrasion resistance was tested according to SL 352-2006.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. A high-performance polymer cement-based waterproof coating for hydraulic buildings is characterized in that: consists of three components of a component A, a component B and a component C;
the component A comprises, by weight, 21 parts of 52.5 ordinary portland cement, 25 parts of 52.5 white cement, 6 parts of quartz powder I, 30 parts of quartz powder II, 12 parts of quartz powder III, 0.1 part of wollastonite powder, 0.2 part of fly ash, 2 parts of titanium dioxide, 1 part of calcium oxide, 1.7 parts of calcium hydroxide and 1 part of gas silica; the component B is 120 parts of water-cured polyurethane prepolymer with NCO content of 0.5%; the component C comprises 10.5 parts of water, 1.1 parts of water reducing agent, 0.55 part of flatting agent and 0.55 part of defoaming agent;
or the high-performance polymer cement-based waterproof coating for the hydraulic buildings consists of the following raw materials: the component A comprises, by weight, 21 parts of 42.5 ordinary portland cement, 25 parts of 52.5 white cement, 5 parts of quartz powder I, 28 parts of quartz powder II, 15 parts of quartz powder III, 0.1 part of wollastonite powder, 0.2 part of fly ash, 2.5 parts of titanium dioxide, 1 part of calcium oxide, 1.7 parts of calcium hydroxide and 1.5 parts of gas silica; the component B is 120 parts of water-cured polyurethane prepolymer with NCO content of 1%; the component C comprises 11 parts of water, 1.2 parts of a water reducing agent, 0.6 part of a flatting agent and 0.6 part of a defoaming agent;
or the high-performance polymer cement-based waterproof coating for the hydraulic buildings consists of the following raw materials: the component A comprises 16 parts of 52.5 ordinary portland cement, 30 parts of 52.5 white cement, 6 parts of quartz powder I, 30 parts of quartz powder II, 12 parts of quartz powder III, 0.1 part of wollastonite powder, 0.2 part of fly ash, 2 parts of titanium dioxide, 1.3 parts of calcium oxide and 1.4 parts of calcium hydroxide by weight; the component B is 120 parts of water-cured polyurethane prepolymer with NCO content of 2%; the component C comprises 10.5 parts of water, 1.1 parts of water reducing agent, 0.55 part of flatting agent and 0.55 part of defoaming agent;
the preparation method of the water-curing polyurethane prepolymer comprises the following steps:
(1) 500g of polyether triol, polyether diol and epoxy modified polyether are weighed according to a certain mass ratio, and are subjected to pressure reduction dehydration pretreatment for later use, wherein the water content of the pretreated polyether triol, polyether diol and epoxy modified polyether is lower than 0.05 percent in terms of mass fraction;
(2) adding 0.3-0.5 g of polymerization inhibitor benzoyl chloride in the step 1, stirring to a uniform state, heating to 60-85 ℃, adding polyisocyanate, adding 0-0.2 g of organic tin catalyst, reacting for 2-4 h, and performing vacuum defoaming to obtain a water-cured polyurethane prepolymer, wherein the isocyanate content in the prepolymer is 0.5-2.5%;
the mass ratio of the polyether triol to the polyether diol to the epoxy modified polyether is 1:0.2 to 0.3: 0.02-0.2, wherein the polyisocyanate is diisocyanate and is at least one of TDI, IPDI, MDI and HMDI; the polyether triol is polyether 330N, the polyether diol is N-220, and the epoxy modified polyether is SIMALINEIE2002.
2. The high-performance polymer cement-based waterproof coating for hydraulic structures as claimed in claim 1, wherein: the leveling agent is at least one of polydimethylsiloxanes and modified polysiloxanes.
3. The high-performance polymer cement-based waterproof coating for hydraulic structures as claimed in claim 1, wherein: the defoaming agent is polyether modified silicon cement mortar defoaming agent.
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| CN202211437663.0A CN115784683A (en) | 2020-03-27 | 2020-03-27 | High-performance polymer cement-based waterproof coating for hydraulic buildings |
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| CN202211437663.0A CN115784683A (en) | 2020-03-27 | 2020-03-27 | High-performance polymer cement-based waterproof coating for hydraulic buildings |
| CN202010227612.XA CN112094083A (en) | 2020-03-27 | 2020-03-27 | High-performance polymer cement-based waterproof coating for hydraulic buildings |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102181224A (en) * | 2011-01-31 | 2011-09-14 | 北京东方雨虹防水技术股份有限公司 | Reactive polymer cement waterproof coating |
| CN105601197A (en) * | 2015-12-21 | 2016-05-25 | 潍坊市宏源防水材料有限公司 | Two-component polyurethane waterproof coating and production technology thereof |
| CN111057461A (en) * | 2019-12-24 | 2020-04-24 | 周口师范学院 | Preparation method of novel single-component water-curing polyurethane waterproof coating |
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| CN105969143B (en) * | 2016-06-29 | 2018-05-11 | 浙江鲁班建筑防水有限公司 | Reactive polymer cement waterproofing coating of selfreparing and preparation method thereof |
| KR101811276B1 (en) * | 2017-04-24 | 2017-12-21 | (주)대한하이텍건설 | Environment-friendly Waterproofing Concrete Composition for Construction using Seaweed Powders and Constructing Methods Using Thereof |
| CN110396338B (en) * | 2019-08-02 | 2021-08-17 | 江苏凯伦建材股份有限公司 | Double-component permeable reactive waterproof coating and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102181224A (en) * | 2011-01-31 | 2011-09-14 | 北京东方雨虹防水技术股份有限公司 | Reactive polymer cement waterproof coating |
| CN105601197A (en) * | 2015-12-21 | 2016-05-25 | 潍坊市宏源防水材料有限公司 | Two-component polyurethane waterproof coating and production technology thereof |
| CN111057461A (en) * | 2019-12-24 | 2020-04-24 | 周口师范学院 | Preparation method of novel single-component water-curing polyurethane waterproof coating |
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