CN114736586A - Hydraulic protection epoxy daub for alpine regions and preparation method thereof - Google Patents
Hydraulic protection epoxy daub for alpine regions and preparation method thereof Download PDFInfo
- Publication number
- CN114736586A CN114736586A CN202210193815.0A CN202210193815A CN114736586A CN 114736586 A CN114736586 A CN 114736586A CN 202210193815 A CN202210193815 A CN 202210193815A CN 114736586 A CN114736586 A CN 114736586A
- Authority
- CN
- China
- Prior art keywords
- parts
- epoxy resin
- nano
- component
- epoxy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004593 Epoxy Substances 0.000 title claims abstract description 32
- 230000004224 protection Effects 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000003822 epoxy resin Substances 0.000 claims abstract description 34
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 34
- 239000012767 functional filler Substances 0.000 claims abstract description 22
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000032683 aging Effects 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 239000003085 diluting agent Substances 0.000 claims abstract description 8
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical class OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000002270 dispersing agent Substances 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 claims abstract description 3
- 230000001070 adhesive effect Effects 0.000 claims abstract description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 39
- 239000002893 slag Substances 0.000 claims description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 229910052863 mullite Inorganic materials 0.000 claims description 12
- 239000010881 fly ash Substances 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 239000011574 phosphorus Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052961 molybdenite Inorganic materials 0.000 claims description 7
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 7
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Inorganic materials O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 7
- -1 phenolic aldehyde modified triethylene tetramine Chemical class 0.000 claims description 7
- 229920001451 polypropylene glycol Polymers 0.000 claims description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 239000013521 mastic Substances 0.000 claims description 2
- 235000013379 molasses Nutrition 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 238000007710 freezing Methods 0.000 abstract description 3
- 230000008014 freezing Effects 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 11
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 229920006333 epoxy cement Polymers 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 240000005428 Pistacia lentiscus Species 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2255—Oxides; Hydroxides of metals of molybdenum
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
Abstract
The invention discloses hydraulic protection epoxy daub for alpine regions. The adhesive consists of A, B bi-components, wherein the component A comprises the following raw materials in parts by weight: 50-60 parts of epoxy resin, 25-35 parts of functional filler, 1-3 parts of anti-aging agent, 6-10 parts of diluent and 2-5 parts of dispersing agent; the component B comprises the following raw materials in parts by weight: 40-50 parts of modified aliphatic amine, 45-55 parts of functional filler and 3-8 parts of diluent; the epoxy resin is nano molybdate composite modified epoxy resin. The invention has the advantages of good freezing resistance, seepage resistance and ultraviolet aging resistance in alpine regions, good mechanical property and construction adaptability, contribution to improving the construction efficiency, reducing the construction cost and prolonging the service life of hydraulic buildings. The invention also discloses a preparation method of the hydraulic protection epoxy daub in the alpine region.
Description
Technical Field
The invention relates to the field of hydraulic concrete surface protection, in particular to hydraulic protection epoxy daub in alpine regions, and more particularly to a concrete anti-freezing ultraviolet aging-resistant material used for coating the surface of a hydraulic building under the environment condition of the alpine regions. The invention also relates to a preparation method of the hydraulic protection epoxy daub in the alpine region.
Background
The characteristics of dry-wet and freeze-thaw alternative climate characteristics, strong ultraviolet radiation, long low-temperature period, large evaporation capacity and the like in high-altitude cold areas in China are outstanding, and hydraulic buildings are exposed to the characteristic climate environment for a long time, so that cracks and leakage damage are more likely to be generated, and the degradation problems of freeze-thaw damage, corrosion, carbonization, steel bar corrosion, scouring damage and the like which are gradually developed from the outside to the inside are more likely to be generated, thereby seriously affecting the safe operation and the service life of engineering. The concrete surface of the hydraulic building is protected, and the high-efficiency use and safe operation of hydraulic and hydroelectric engineering are facilitated.
At present, the protection of concrete surface coating materials is one of effective technical measures, and epoxy resin has the characteristics of normal-temperature curing, high compressive strength and tensile strength, strong adhesion to concrete, chemical medium resistance and the like, and is a good waterproof material for reinforcing and consolidating. The epoxy resin-based material has good glossiness, seepage prevention, erosion and abrasion resistance, corrosion resistance and other properties, and is commonly used for erosion resistance, defect repair, seepage prevention, corrosion resistance of metal structures and the like of hydraulic building concrete. Epoxy resin is widely applied to hydraulic engineering in China, such as epoxy cement, epoxy resin mortar, epoxy resin grouting material, epoxy concrete and the like, and from the application condition of the epoxy cement in recent years, the performances of the epoxy cement in the aspects of fracture toughness, crack resistance, bonding strength and the like are greatly improved, but the weather resistance needs to be further improved. Particularly in severe cold areas, the epoxy daub is easy to be subjected to deterioration and failure phenomena such as delamination, cracks, bubbling and the like, and the construction efficiency and the service life are severely restricted.
Therefore, it is necessary to develop a concrete protective material with good weather resistance in the service environment of alpine regions.
Disclosure of Invention
The invention aims to provide the hydraulic protection epoxy daub in the alpine region, which is an economic and practical protection material system with simple and convenient construction, has good freezing resistance, seepage resistance and ultraviolet aging resistance in the alpine region, has good mechanical property and construction adaptability, contributes to improving the construction efficiency, reducing the construction cost and prolonging the service life of hydraulic buildings; the problem that the existing concrete protective material has insufficient weather resistance in the service environment of alpine regions is solved.
The second purpose of the invention is to provide the preparation method of the hydraulic protection epoxy daub in the alpine region.
In order to achieve the first object of the present invention, the technical solution of the present invention is: the utility model provides a severe cold district water conservancy project protection epoxy daub which characterized in that: the adhesive consists of A, B bi-components, wherein the component A comprises the following raw materials in parts by weight: 50-60 parts of epoxy resin, 25-35 parts of functional filler, 1-3 parts of anti-aging agent, 6-10 parts of diluent and 2-5 parts of dispersing agent; the component B comprises the following raw materials in parts by weight: 40-50 parts of modified aliphatic amine, 45-55 parts of functional filler and 3-8 parts of diluent;
the epoxy resin is nano molybdate composite modified epoxy resin.
In the technical scheme, the epoxy resin is nano molybdate composite modified epoxy resin; the preparation method of the nano molybdate composite modified epoxy resin comprises the following steps: firstly, nano ZnMoO is added4And nano CuMoO4Mixing according to the weight ratio of 1: 1; then adding the mixture into ethylene glycol, magnetically stirring the mixture for 30min at the rotating speed of 150r/min, and dispersing the mixture for 90-120 min by using ultrasonic waves to form a suspension; and adding the suspension into bisphenol A type epoxy resin E51, stirring at a high speed for 1-2 h at 60 ℃, and aging at room temperature for 4-8 h to obtain the nano molybdate modified epoxy resin, wherein the mixing amount of the molybdate is 0.1-1.0% of the weight of the epoxy resin.
In the above technical solution, the functional filler is selected from one or more of phosphorous slag, diatomaceous earth, mullite, slag and fly ash. The functional filler components are mostly recycled by adopting industrial waste residues such as phosphorus slag, furnace slag and fly ash.
In the above technical scheme, the preparation method of the functional filler comprises the following steps: one or more of phosphorus slag, diatomite, mullite, slag, furnace slag and fly ash are selected, mixed uniformly and then added into a horizontal ball mill, 0.3 percent of waste molasses, 0.5 percent of NaOH and 1.5 percent of urea are added according to the weight of powder, and the mixture is ground for 20-50 min at the rotating speed of 30r/min to obtain the functional filler with the size of 300-500 meshes.
In the technical scheme, the anti-aging agent is prepared by compounding inorganic nano materials of nano MoO3 and nano MoS2 and organic ultraviolet absorbers of UV-351 and UV-326;
the diluent is selected from ethylene glycol;
the dispersant is selected from polypropylene glycol;
the modified aliphatic amine is phenolic aldehyde modified triethylene tetramine.
In the technical scheme, the component A comprises the following raw materials in parts by weight: 59 parts of nano molybdate modified epoxy resin, 15 parts of phosphorous slag, 5 parts of diatomite, 5 parts of mullite, 5 parts of slag and nano MoO30.4 part of MoS21 part, UV3510.6 parts, 7 parts of ethylene glycol and 2 parts of polypropylene glycol;
the component B comprises the following raw materials in parts by weight: 47 parts of phenolic aldehyde modified triethylene tetramine, 24 parts of phosphorus slag, 8 parts of diatomite, 8 parts of mullite, 8 parts of furnace slag and 5 parts of ethylene glycol.
In order to achieve the second object of the present invention, the technical solution of the present invention is: the preparation method of the hydraulic protection epoxy daub in the alpine region is characterized by comprising the following steps: the method comprises the following process steps:
step 1: preparing a component A: determining the composition and the dosage of the component A, stirring for 30-60 min at the mechanical rotation speed of 1500-2000 r/min in the environment of 60 ℃, aging for 4-8 h at room temperature, and then filling into an iron bucket for sealing;
step 2: preparing a component B: determining the composition and the dosage of the component B, stirring for 20-40 min at the mechanical rotation speed of 1200-1500 r/min in a normal temperature environment, aging for 2-4 h at room temperature, and then filling into an iron bucket for sealing;
and step 3: a, B components are mechanically stirred for 2-4 min at the temperature of 0-35 ℃ and the rotating speed of 800-1200 r/min according to the weight ratio of 10: 3-10: 5, and the components are uniformly stirred and then are coated and scraped.
The beneficial effects of the invention are:
(1) by using nano ZnMoO4/CuMoO4The composite modified epoxy resin is beneficial to improving the flexibility and the thermal stability of the epoxy resin and simultaneously is beneficial to improving the bonding strength between the epoxy daub and the concrete;
(2) the introduction of various functional fillers is beneficial to improving the compactness, lubricity and construction adaptability of the epoxy daub and further improving the thermal stability of the epoxy daub;
(3) the phosphorus slag, the fly ash, the furnace slag and the like are modified to be used as functional fillers, so that the industrial waste slag can be recycled, and the cost of the epoxy daub can be reduced;
(4) adopting inorganic ultraviolet screening agent nano MoO3、MoS2The epoxy mortar is compounded with organic ultraviolet absorbers UV351 and UV326, so that the ultraviolet aging resistance of the epoxy mortar is improved;
(5) the invention enhances the weather resistance of the epoxy daub, such as frost resistance, ultraviolet aging resistance and the like, and has good construction adaptability in alpine regions; the invention can be used for frost-resistant and seepage-proof protection of the concrete surface in alpine regions.
Detailed Description
The present invention will be described in detail below, but the present invention is not limited to these embodiments, and examples thereof are given only. While the advantages of the invention will be clear and readily understood by the description.
The invention is an economical and practical hydraulic protection epoxy daub, has ultraviolet aging resistance and frost resistance in alpine regions, has better mechanical property and construction adaptability, and plays an important role in efficient and safe operation of hydraulic buildings. The weather resistance of the invention is mainly enhanced by modifying the epoxy resin through the nano particles to enhance the toughness and strength of the material, and meanwhile, the structural compactness and impermeability of the material are improved through the functional filler; the material is strengthened in frost resistance, ultraviolet resistance and other weather resistance by the anti-aging agent.
Example 1:
55 parts of nano molybdate modified epoxy resin, 35 parts of functional filler (comprising 16 parts of phosphorous slag, 11 parts of diatomite, 4 parts of furnace slag and 4 parts of fly ash) and 1 part of anti-aging agent (comprising 0.4 part of nano MoO)30.6 portion of UV351), 6 portions of ethylene glycol and 3 portions of polypropylene glycol, and stirring for 40min at the mechanical rotation speed of 1800r/min under the environment of 60 ℃ to obtain a component A;
and stirring 45 parts of phenolic modified triethylene tetramine, 49 parts of functional filler (comprising 28 parts of phosphorous slag, 14 parts of diatomite and 7 parts of fly ash) and 6 parts of ethylene glycol at the mechanical rotation speed of 1300r/min for 30min under the normal temperature environment to obtain the component B.
When in use, the A, B components are mixed according to the weight ratio of 10:5, mechanically stirred for 4min at the temperature of 5 ℃ and the rotating speed of 1000r/min, and evenly coated on the concrete base surface.
Example 2:
59 parts of nano molybdate modified epoxy resin, 30 parts of functional filler (comprising 15 parts of phosphorous slag, 5 parts of diatomite, 5 parts of mullite and 5 parts of slag) and 2 parts of anti-aging agent (comprising 0.4 part of nano MoO)31 part of MoS20.6 part of UV351), 7 parts of ethylene glycol and 2 parts of polypropylene glycol, and stirring for 25min at the mechanical rotation speed of 1500r/min under the environment of 60 ℃ to obtain a component A;
and stirring 47 parts of phenolic aldehyde modified triethylene tetramine, 48 parts of functional filler (comprising 24 parts of phosphorous slag, 8 parts of diatomite, 8 parts of mullite and 8 parts of furnace slag) and 5 parts of ethylene glycol at the mechanical rotation speed of 1200r/min for 25min under the normal temperature environment to obtain the component B.
When in use, the A, B components are mixed according to the weight ratio of 10:4, mechanically stirred for 3min at the temperature of 3 ℃ and the rotating speed of 1000r/min, and evenly coated on the concrete base surface.
Example 3:
58 parts of nano molybdate modified epoxy resin, 32 parts of functional filler (comprising 12 parts of phosphorus slag, 5 parts of diatomite, 5 parts of mullite, 5 parts of furnace slag and 5 parts of fly ash) and 2 parts of anti-aging agent (comprising 0.6 part of nano MoO)30.8 part of MoS20.6 portion of UV326), 6 portions of ethylene glycol and 2 portions of polypropylene glycol, and stirring for 40min at the mechanical rotation speed of 2000r/min under the environment of 60 ℃ to obtain a component A;
50 parts of phenolic aldehyde modified triethylene tetramine, 45 parts of functional filler (comprising 17 parts of phosphorous slag, 7 parts of diatomite, 7 parts of mullite, 7 parts of furnace slag and 7 parts of fly ash) and 5 parts of polyethylene glycol are stirred for 40min at a mechanical rotation speed of 1500r/min under a normal temperature environment to obtain a component B.
When in use, the A, B components are mixed according to the weight ratio of 10:3, mechanically stirred for 2.5min at the temperature of 8 ℃ and the rotating speed of 1000r/min, and evenly coated on the concrete base surface.
The epoxy mastic prepared in the above examples 1 to 3 was subjected to a performance test, and the test results are shown in table 1.
TABLE 1 test results of the properties of the epoxy mastics prepared in examples 1 to 3
As can be seen from Table 1, the pot life and mechanical properties of the epoxy daub prepared in the embodiments 1-3 both meet the requirements of the standard JC/T1041-. Compared with the existing epoxy daub, the epoxy daub prepared in the embodiments 1-3 of the invention has the advantages that the pot life is prolonged, and the mechanical property and the frost resistance grade are both obviously enhanced; and the grades of chalking, discoloring and cracking are improved after the artificial weathering is 2000h, and are all slight (grade 2) or very slight (grade 1). As can be seen from table 1: example 2 is a preferred embodiment of the present invention.
The invention can meet the requirements of repairing and protecting F250-F300 concrete with frost resistance in alpine regions.
Other parts not described belong to the prior art.
Claims (7)
1. The utility model provides a severe cold district water conservancy project protection epoxy daub which characterized in that: the adhesive consists of A, B bi-components, wherein the component A comprises the following raw materials in parts by weight: 50-60 parts of epoxy resin, 25-35 parts of functional filler, 1-3 parts of anti-aging agent, 6-10 parts of diluent and 2-5 parts of dispersant; the component B comprises the following raw materials in parts by weight: 40-50 parts of modified aliphatic amine, 45-55 parts of functional filler and 3-8 parts of diluent;
the epoxy resin is nano molybdate composite modified epoxy resin.
2. The epoxy daub for hydraulic protection in alpine regions according to claim 1, characterized in that: the epoxy resin is nano molybdate composite modified epoxy resin; the preparation method of the nano molybdate composite modified epoxy resin comprises the following steps: firstly, nano ZnMoO is added4And nano CuMoO4Mixing according to the weight ratio of 1: 1; then adding the mixture into ethylene glycol, magnetically stirring the mixture for 30min at the rotating speed of 150r/min, and dispersing the mixture for 90-120 min by using ultrasonic waves to form a suspension; and adding the suspension into bisphenol A type epoxy resin E51, stirring at a high speed for 1-2 h at 60 ℃, and aging at room temperature for 4-8 h to obtain the nano molybdate modified epoxy resin, wherein the mixing amount of the molybdate is 0.1-1.0% of the weight of the epoxy resin.
3. The epoxy daub for hydraulic protection in alpine regions according to claim 1 or 2, characterized in that: the functional filler is selected from one or more of phosphorus slag, diatomite, mullite, slag and fly ash.
4. The epoxy daub for hydraulic protection in alpine regions according to claim 3, characterized in that: the preparation method of the functional filler comprises the following steps: one or more of phosphorus slag, diatomite, mullite, slag, furnace slag and fly ash are selected, mixed uniformly and then added into a horizontal ball mill, 0.3 percent of waste molasses, 0.5 percent of NaOH and 1.5 percent of urea are added according to the weight of powder, and the mixture is ground for 20-50 min at the rotating speed of 30r/min to obtain the functional filler with the size of 300-500 meshes.
5. The epoxy daub for hydraulic protection in alpine regions according to claim 4, characterized in that: the anti-aging agent is selected from nano MoO3Nano MoS2One or more of UV-351 and UV-326;
the diluent is selected from ethylene glycol;
the dispersant is selected from polypropylene glycol;
the modified aliphatic amine is phenolic aldehyde modified triethylene tetramine.
6. The epoxy daub for hydraulic protection in alpine regions according to claim 5, characterized in that: the component A comprises the following raw materials in parts by weight: 59 parts of nano molybdate modified epoxy resin, 15 parts of phosphorus slag, 5 parts of diatomite, 5 parts of mullite, 5 parts of slag and nano MoO30.4 part of MoS21 part, UV3510.6 parts, 7 parts of ethylene glycol and 2 parts of polypropylene glycol;
the component B comprises the following raw materials in parts by weight: 47 parts of phenolic aldehyde modified triethylene tetramine, 24 parts of phosphorus slag, 8 parts of diatomite, 8 parts of mullite, 8 parts of furnace slag and 5 parts of ethylene glycol.
7. The preparation method of the hydraulic protection epoxy mastic for alpine regions according to any one of claims 1 to 6, characterized by comprising the following steps: the method comprises the following process steps:
step 1: preparing a component A: determining the composition and the dosage of the component A, stirring for 30-60 min at the mechanical rotation speed of 1500-2000 r/min in the environment of 60 ℃, aging for 4-8 h at room temperature, and then filling into an iron bucket for sealing;
step 2: preparing a component B: determining the composition and the dosage of the component B, stirring for 20-40 min at the mechanical rotation speed of 1200-1500 r/min in a normal temperature environment, aging for 2-4 h at room temperature, and then filling into an iron bucket for sealing;
and step 3: a, B components are mechanically stirred for 2-4 min at the temperature of 0-35 ℃ and the rotating speed of 800-1200 r/min according to the weight ratio of 10: 3-10: 5, and the components are uniformly stirred and then are coated and scraped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210193815.0A CN114736586A (en) | 2022-03-01 | 2022-03-01 | Hydraulic protection epoxy daub for alpine regions and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210193815.0A CN114736586A (en) | 2022-03-01 | 2022-03-01 | Hydraulic protection epoxy daub for alpine regions and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114736586A true CN114736586A (en) | 2022-07-12 |
Family
ID=82275974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210193815.0A Pending CN114736586A (en) | 2022-03-01 | 2022-03-01 | Hydraulic protection epoxy daub for alpine regions and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114736586A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146329A (en) * | 2011-12-07 | 2013-06-12 | 南京工程学院 | Preparation method for epoxy adhesive modified by surface-modified nanoparticles |
| CN104893378A (en) * | 2015-05-09 | 2015-09-09 | 安徽快来防水防腐有限公司 | Low cost and high efficient maleic anhydride grafted polyethylene modified asphalt waterproofing coiled material and preparation method thereof |
| CN113604180A (en) * | 2021-08-11 | 2021-11-05 | 北京华腾新材料股份有限公司 | Low-temperature-resistant high-thixotropy epoxy daub and preparation method thereof |
-
2022
- 2022-03-01 CN CN202210193815.0A patent/CN114736586A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146329A (en) * | 2011-12-07 | 2013-06-12 | 南京工程学院 | Preparation method for epoxy adhesive modified by surface-modified nanoparticles |
| CN104893378A (en) * | 2015-05-09 | 2015-09-09 | 安徽快来防水防腐有限公司 | Low cost and high efficient maleic anhydride grafted polyethylene modified asphalt waterproofing coiled material and preparation method thereof |
| CN113604180A (en) * | 2021-08-11 | 2021-11-05 | 北京华腾新材料股份有限公司 | Low-temperature-resistant high-thixotropy epoxy daub and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 余剑英 等 武汉理工大学出版社 * |
| 余剑英 等 武汉理工大学出版社: "混凝土耐久性及其检验评价方法", vol. 1, 30 April 2012, 中国建材工业出版社, pages: 105 - 44 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105884253B (en) | The polymer mortar of Rapid-Repair and application | |
| CN111253132B (en) | Special polymer epoxy resin composite mortar material for centrifugal spraying of box culvert pipeline of non-excavation well chamber | |
| CN101698589A (en) | Novel patching material | |
| CN102504670A (en) | Permeable epoxy resin waterproof coating for concrete | |
| KR101807104B1 (en) | Versatile eco-friendly finishing composition for coating surface and coating method for coating surface of concrete structure therewith | |
| CN106587885B (en) | Patching material and application for Existing Railway Bridges bridge surface waterproof layer protective layer | |
| CN110467410A (en) | A kind of Concrete crack repair material and preparation method thereof | |
| CN110128984B (en) | Red and green dry hanging glue and preparation method thereof | |
| CN102219441A (en) | Wear-resistant, noise-reduction and heat-insulation epoxy resin emulsified asphalt mortar coating | |
| CN113004015A (en) | Single-component high-strength anti-permeability thin layer repair mortar and preparation method and application thereof | |
| CN103833289B (en) | Polymkeric substance consolidates anticracking grout soon | |
| CN102747751B (en) | Underground waterproof system and construction method thereof | |
| CN114573305A (en) | Preparation method and application of collapsible loess curing agent | |
| KR102059840B1 (en) | Waterproof Asphalt Concrete Composition for Thin Overlay Pavement Using Petroleum Resin Added Hydrogen and Stylene Isoprene Stylene and Constructing Repairing Method of Entire Type Waterproof for Cracks of Surface Using Thereof | |
| CN101565589B (en) | Nanometer modified high-solid polyurethane anti-corrosive paint and preparation method thereof | |
| CN107056199A (en) | A kind of environment-friendlyroad road face brick and preparation method thereof | |
| CN114736586A (en) | Hydraulic protection epoxy daub for alpine regions and preparation method thereof | |
| CN111732848A (en) | Putty containing biomass charcoal ash and preparation method thereof | |
| CN114181556B (en) | Water-based EAU high-barrier thick film anticorrosive paint | |
| CN110835244B (en) | Underwater repair coating material for concrete structure | |
| CN109762468B (en) | Asphalt concrete pavement protective agent and preparation method and application thereof | |
| CN101225289A (en) | Non-toxic environment protective solvent type bridge floor water-proofing material and preparation thereof | |
| CN114920496A (en) | Waterproof material and preparation method and application thereof | |
| CN114412220A (en) | Leakage repairing process for construction joint of external wall | |
| CN113501694A (en) | Anti-cracking environment-friendly concrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |