CN108751844B - Interface agent with anticorrosive coating for steel structure inner wall - Google Patents
Interface agent with anticorrosive coating for steel structure inner wall Download PDFInfo
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- CN108751844B CN108751844B CN201810614350.5A CN201810614350A CN108751844B CN 108751844 B CN108751844 B CN 108751844B CN 201810614350 A CN201810614350 A CN 201810614350A CN 108751844 B CN108751844 B CN 108751844B
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- interface agent
- steel structure
- cement
- anticorrosive coating
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Classifications
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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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00508—Cement paints
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
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- 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)
- Paints Or Removers (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a steel structure inner wall interface agent with an anticorrosive coating, which comprises the following raw materials in parts by weight: 600 parts of cement 200-. The beneficial effects are as follows: the interface agent can improve the bonding property between a steel structure with an anticorrosive coating and plastering mortar; the interface agent has better affinity with a steel structure with an anticorrosive coating and higher bonding strength; the cement and the redispersible latex powder form a composite cementing material system, the cement is used for rapidly hydrating in the initial stage to provide initial bonding strength, the redispersible latex powder is emulsified into a film after contacting with water, and forms an interpenetrating network structure with hydration products of the cement, so that a steel structure with an anticorrosive coating has good bonding performance and certain deformation resistance; the cellulose ether can improve the construction and water retention performance of the interface agent and has an auxiliary effect on the improvement of the bonding performance of the interface agent; the triethanolamine can accelerate the strength growth speed and improve the adhesive property of the interface agent.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a steel structure inner wall interface agent with an anticorrosive coating.
Background
Compared with the traditional house, the steel structure house has strong advantages in the aspects of structural performance, use function, design construction, comprehensive cost and the like, has epoch-making significance of pushing house industrialization and improving house quality when being developed, is beneficial to technical progress of the building industry in China, is beneficial to pulling internal requirements of the metallurgical industry and promoting development of energy-saving and environment-friendly building materials, and is one of transformation and upgrading directions of the building industry. The enclosure system is an important system for steel structure houses, and not only needs to meet the requirement of light weight, but also needs to have enough rigidity and strength, and also needs to meet the requirements of sealing performance, thermal performance, sound insulation performance, decorative performance and the like. Because the maintenance system of the steel structure house needs to meet a lot of performance requirements at the same time, the protection system of the steel structure house is one of the bottlenecks of popularizing the steel structure house at present and is also the core of research.
The enclosure systems are various, but the interface agent is an essential part in various enclosure systems. The interfacial agent is used as a connecting layer between a base layer and a covering layer of a containment system, the bonding strength of the interfacial agent is a very important index, problems of hollowing, falling, poor bonding and the like of the containment system caused by insufficient performance of the interfacial agent are endless, the existing interfacial agent is mostly used for bonding between a concrete wall surface and a covering material, and the interfacial agent specially suitable for a steel structure inner wall with an anticorrosive coating is not provided at present.
Compared with a steel structure, the concrete wall surface has more surface pores, and has large mechanical engaging force and chemical bonding force with an interface agent, while the steel structure surface with the anticorrosive coating is bright and clean, and the water absorption is extremely low, so that the steel structure has higher requirement on the bonding performance of the interface agent, and the bonding performance of the interface agent used for the traditional concrete structure, masonry structure and the like can not be met. The invention aims to provide the interface agent which can improve the bonding performance between a steel structure with an anticorrosive coating and plastering mortar, heat-insulating mortar, bonding mortar, waterproof mortar and other plastering mortar, and has better popularization and application prospects.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the interface agent with the anticorrosive coating for the steel structure inner wall.
The invention relates to a steel structure inner wall interface agent with an anticorrosive coating, which adopts the technical scheme that:
the utility model provides a take steel construction interface agent for interior wall of anticorrosive coating which characterized in that: the interface agent comprises cement, sand, redispersible latex powder, cellulose ether and triethanolamine, and the weight ratio of the components is as follows: : 600 parts of cement 200-.
The invention provides a steel structure inner wall interface agent with an anticorrosive coating, which also comprises the following auxiliary technical scheme:
wherein the cement is ordinary portland cement, and the strength grade of the cement is not lower than 42.5 grade.
Wherein the sand is medium sand.
Wherein the redispersible latex powder is one or more of ethylene-vinyl acetate copolymer, acrylate copolymer or styrene-butadiene copolymer.
Wherein the cellulose ether is one or more of methyl cellulose ether, hydroxyethyl cellulose ether, hydroxypropyl methyl cellulose ether or hydroxyethyl methyl cellulose ether.
The invention also provides a preparation method of the interface agent with the anticorrosive coating for the steel structure inner wall, which is characterized in that 600 parts of 200-fold sand, 800 parts of 200-fold sand, 30-100 parts of redispersible latex powder and 0.5-3.0 parts of cellulose ether are weighed, and 0.05-0.30 part of triethanolamine is added by adopting an atomization process.
The invention also provides a construction method of the interface agent with the anticorrosive coating for the steel structure inner wall.
The implementation of the invention comprises the following technical effects:
the invention provides an interface agent with an anticorrosive coating for a steel structure inner wall, which can effectively improve the bonding performance between a steel structure with an anticorrosive coating and plastering mortar, heat-insulating mortar, bonding mortar, waterproof mortar and the like; compared with the traditional interface agent for the concrete wall surface, the interface agent has better affinity with a steel structure with an anticorrosive coating and higher bonding strength; the cement and the redispersible latex powder jointly form a composite cementing material system, the cement has the effect of providing initial bonding strength through initial rapid hydration, the redispersible latex powder is emulsified into a film after contacting with water, and forms an interpenetrating network structure with a hydration product of the cement, so that a steel structure with an anticorrosive coating has good bonding performance and certain deformation resistance; the cellulose ether can improve the workability and water retention property of the interface agent and has an auxiliary effect on improving the bonding property of the interface agent; the triethanolamine can accelerate the strength growth speed and improve the bonding property of the interfacial agent.
Detailed Description
The present invention will be described in detail with reference to the following examples, which are intended to facilitate the understanding of the present invention and should not be construed as limiting in any way.
The invention provides an interface agent with an anticorrosive coating for a steel structure inner wall, which comprises cement, sand, redispersible latex powder, cellulose ether and triethanolamine, and comprises the following components in percentage by weight: 600 parts of cement 200-. The interface agent can effectively improve the adhesive property between a steel structure with an anticorrosive coating and plastering mortar, thermal insulation mortar, bonding mortar, waterproof mortar and the like; compared with the traditional interface agent for the concrete wall surface, the interface agent has better affinity with a steel structure with an anticorrosive coating and higher bonding strength; the cement and the redispersible latex powder jointly form a composite cementing material system, the cement has the effect of providing initial bonding strength through initial rapid hydration, the redispersible latex powder is emulsified into a film after contacting with water, and forms an interpenetrating network structure with a hydration product of the cement, so that a steel structure with an anticorrosive coating has good bonding performance and certain deformation resistance; the cellulose ether can improve the workability and water retention property of the interface agent and has an auxiliary effect on improving the bonding property of the interface agent; the triethanolamine can accelerate the strength growth speed and improve the bonding property of the interfacial agent.
At present, no production, sale and application of the interface agent special for the steel structure is seen in the market, so the interface agent for the steel structure inner wall with the anticorrosive coating provided by the invention is compared with a common concrete interface agent in the market in a test, and the results are shown in the following table:
three layers of paint are generally coated on the steel plate according to requirements, wherein one layer of paint directly contacting with the steel plate is a base layer, the outermost layer is a surface layer, and a middle layer is positioned between the base layer and the surface layer.
The data in the table show that the interface agent for the steel structure inner wall with the anticorrosive coating has unique application value in the field of steel structures.
Preferably, the cement is 350-650 parts, the sand is 300-650 parts, the redispersible latex powder is 45-85 parts, the cellulose ether is 0.8-2.4 parts, and the triethanolamine is 0.05-0.25 part.
Preferably, the cement is ordinary portland cement having a strength grade of not less than 42.5.
Preferably, the sand is medium sand.
Preferably, the redispersible latex powder is one or more of ethylene vinyl acetate copolymer, acrylate copolymer or styrene-butadiene copolymer.
Preferably, the following components: the cellulose ether is one or more of methyl cellulose ether, hydroxyethyl cellulose ether, hydroxypropyl methyl cellulose ether or hydroxyethyl methyl cellulose ether.
The invention also provides a preparation method of the interface agent with the anticorrosive coating for the steel structure inner wall, which comprises the steps of weighing 600 parts of 200-800 parts of cement, 200-800 parts of sand, 30-100 parts of redispersible latex powder and 0.5-3.0 parts of cellulose ether, and simultaneously adding 0.05-0.30 part of triethanolamine by adopting an atomization process. Wherein the temperature of the atomization environment is more than 5 ℃, the temperature of the atomization liquid is controlled between 40 and 60 ℃, the atomization pressure is controlled between 0.1 and 0.8MPa, and then the redispersible latex powder and the cellulose ether are added until the uniform stirring is finished.
The invention also provides a construction method of the interface agent with the anticorrosive coating for the steel structure inner wall.
The interfacial agent and the method for applying the interfacial agent provided by the present invention will be described below with specific examples.
Example 1
The interface agent with the anticorrosive coating for the steel structure inner wall is prepared from, by weight, 42.5-grade ordinary portland cement 400, medium sand 600, ethylene vinyl acetate emulsion powder 70, hydroxypropyl methyl cellulose ether 1.0 and triethanolamine 0.05. 145 parts by weight of water is added and uniformly stirred, after standard curing for 7d, the tensile bonding strength of the interface agent provided by the embodiment with the steel plate with the anticorrosive coating is 1.1MPa, the tensile bonding strength with the concrete plate is 1.6MPa, and the folding ratio is 2.1. The formula is suitable for construction in spring and autumn.
Example 2
The interface agent with the anticorrosive coating for the steel structure inner wall is prepared from 500 parts by weight of 42.5-grade ordinary portland cement, 500 parts by weight of medium sand, 80 parts by weight of acrylate emulsion powder, 1.5 parts by weight of hydroxyethyl methyl cellulose ether and 0.15 part by weight of triethanolamine. 155 parts of water is added and uniformly stirred, after standard curing is carried out for 7 days, the tensile bonding strength of the interface agent provided by the embodiment and the steel plate with the anti-corrosion coating is 1.0MPa, the tensile bonding strength of the interface agent and the concrete plate is 1.6MPa, and the compression ratio is 2.0. The formula is suitable for being used in high-temperature construction in summer.
Example 3
The interface agent with the anticorrosive coating for the steel structure inner wall is prepared from, by weight, 42.5-grade ordinary portland cement 600, medium sand 400, styrene-butadiene latex powder 50, hydroxypropyl methyl cellulose ether 2.0 and triethanolamine 0.25. 150 parts by weight of water is added and uniformly stirred, after standard curing is carried out for 7 days, the tensile bonding strength of the interface agent provided by the embodiment and the steel plate with the anticorrosive coating is 0.7MPa, the tensile bonding strength of the interface agent and the concrete plate is 1.2MPa, and the folding ratio is 2.3. The formula is suitable for being used in low-temperature construction in winter.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. The application of the interface agent with the anticorrosive coating for the steel structure inner wall in the steel structure is characterized in that the interface agent comprises cement, sand, redispersible latex powder, cellulose ether and triethanolamine, and the weight ratio of the components is as follows:
200 portions of cement and 600 portions of cement;
200 portions of sand and 800 portions of sand;
30-100 parts of redispersible latex powder, wherein the redispersible latex powder is one or more of ethylene-vinyl acetate copolymer, acrylate copolymer or styrene-butadiene copolymer;
0.5-3.0 parts of cellulose ether;
0.05-0.30 part of triethanolamine;
the preparation method of the interface agent comprises the following steps: weighing 600 parts of 200-800 parts of cement, 200-800 parts of sand, 30-100 parts of redispersible latex powder and 0.5-3.0 parts of cellulose ether, and simultaneously adding 0.05-0.30 part of triethanolamine by adopting an atomization process;
the construction method of the interface agent comprises the following steps: during construction, water and an interfacial agent are taken and mixed, and after the mixture is uniformly stirred, the steel structure surface with the anticorrosive coating is constructed by a smearing method.
2. The interface agent with the anticorrosive coating for the steel structure inner wall according to claim 1, characterized in that: the cement is ordinary portland cement, and the strength grade of the cement is not lower than 42.5 grade.
3. The interface agent with the anticorrosive coating for the steel structure inner wall according to claim 1, characterized in that: the sand is medium sand.
4. The interface agent with the anticorrosive coating for the steel structure inner wall according to claim 1, characterized in that: the cellulose ether is one or more of methyl cellulose ether, hydroxyethyl cellulose ether, hydroxypropyl methyl cellulose ether or hydroxyethyl methyl cellulose ether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614350.5A CN108751844B (en) | 2018-06-14 | 2018-06-14 | Interface agent with anticorrosive coating for steel structure inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614350.5A CN108751844B (en) | 2018-06-14 | 2018-06-14 | Interface agent with anticorrosive coating for steel structure inner wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108751844A CN108751844A (en) | 2018-11-06 |
| CN108751844B true CN108751844B (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810614350.5A Active CN108751844B (en) | 2018-06-14 | 2018-06-14 | Interface agent with anticorrosive coating for steel structure inner wall |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130533A (en) * | 2019-04-29 | 2019-08-16 | 杭萧钢构股份有限公司 | A kind of the plastering gupsum construction method and steel structure member flameproof protection device of the steel structure wall with corrosion-inhibiting coating |
| CN113800845A (en) * | 2021-05-21 | 2021-12-17 | 崔祥坤 | Steel structure surface modification reinforcing agent |
| CN114773927A (en) * | 2022-03-24 | 2022-07-22 | 襄阳泽东化工集团股份有限公司 | Gypsum-based steel structure fireproof coating interface agent and preparation method thereof |
| CN115536345A (en) * | 2022-11-14 | 2022-12-30 | 中国建筑科学研究院有限公司 | Steel structure interface treatment mortar and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269936A (en) * | 2008-03-21 | 2008-09-24 | 长沙归一建材科技有限公司 | Interface mortar |
| CN103332901A (en) * | 2013-06-27 | 2013-10-02 | 杭州正博新型建筑材料有限公司 | Anti-cracking waterproof mortar |
-
2018
- 2018-06-14 CN CN201810614350.5A patent/CN108751844B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269936A (en) * | 2008-03-21 | 2008-09-24 | 长沙归一建材科技有限公司 | Interface mortar |
| CN103332901A (en) * | 2013-06-27 | 2013-10-02 | 杭州正博新型建筑材料有限公司 | Anti-cracking waterproof mortar |
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| CN108751844A (en) | 2018-11-06 |
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