CN103214915A - Anti-corrosive coating for concrete surface and preparation method thereof - Google Patents
Anti-corrosive coating for concrete surface and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to the technical field of anti-corrosive coatings, and particularly relates to an anti-corrosive coating for concrete surface and a preparation method thereof. The anti-corrosive coating for concrete surface is divided into a base coating and a surface coating, wherein the base coating is composed of a first component and a second component, the surface coating is composed of a component A and a component B; the first component and the component B both use epoxy resin as a base material; the second component and the component B are respectively composed of a curing agent and a curing promoter. While in use, the first component and the second component are uniformly mixed according to a proportion to obtain the base coating; and the component A and the component B are uniformly mixed according to proportion to obtain the surface coating. Compared with the prior art, the anti-corrosive coating for concrete surface has features of stable performance, strong adhesion, long service life, good corrosion prevention effect, green environmental protection, good decorative effect and simple production process, and can be used in highway bridges, offshore structures, factory buildings or the like. After the anti-corrosive coating is coated once, the high temperature resistance, the acid and alkaline corrosion resistance, and the service life are greatly improved.
Description
Technical field
The invention belongs to the protective system technical field, specifically, relate to a kind of concrete surface protective system and preparation method thereof.
Technical background
Cement concrete has played great role as the main material of construction of the modern life in the construction of road traffic and urban architecture.But usually be subjected to the erosion of corrosive medium during use, if do not implement anti-corrosion measure, corrosive medium just may damage building structure, even makes its forfeiture use value.This is even more important for traffic, municipal structure, because in the traffic structures, building structure directly contacts with liquid state or gasiform medium, and perhaps the waste that is discharged in the transportation and communication pollutes.In highway communication, to be exposed to the weather, the influence of vehicle exhaust, Snow Agent, greasy dirt etc., the concrete construction of 20%-70% usually is subjected to the erosion of corrosive medium, and causes the corrosion of material thus.
For a long time, in order to reduce the loss, people have taked multiple measure, as adding concrete antiseptic agent, concrete air-entrainer, corrosive medium facture etc.But general, most economical, the most practical up to now sfgd. is still directly used coating protection at concrete structural surface, surface anticorrosion coating with its easy construction, economic and practical, be not subjected to the constraint of structural area shape and have characteristics such as decorative effect and be widely used.At present, what the concrete surface erosion shield often adopted is solvent based coating, for example, Chinese patent (CN102101969) discloses a kind of organic-silicon-modified two-pack solvent borne polyurethane protective system and preparation method, it is by A, two kinds of components of B are formed, and described A component is synthetic by the raw material of following mass percent: organosilicon modified polyester polyvalent alcohol 5-70%, color stuffing 5-60%, mixed solvent 10-50%, catalyzer 0-0.05%, flow agent 1-5%, coupling agent 0-0.2%, anti-settling agent 0.3-0.5%, wetting dispersing agent 0.1-0.5%, anti 0.2-1.4%, defoamer 0.2-0.5%; The TDI-TMP affixture that described B component is 5-50%.Solvent based coating has the effect of the corrosive of inhibition, and its fullness ratio is higher than water-borne coatings, and opacifying power is stronger, and can adapt to various construction environments, can regulate its evaporation rate according to concrete construction environment.But traditional solvent-borne type protective system can give off a large amount of organic volatile (VOC) in production, construction, solidification process, cause environmental pollution, and people's health is impacted.
Summary of the invention
For solving the problems of the technologies described above, the invention provides concrete surface protective system and preparation method thereof of a kind of good film-forming property, character safety and stability.
Concrete surface of the present invention is divided into priming paint and finish paint two portions with protective system, and priming paint is (2.5-3.2) by mass ratio: 1 first component and second component are formed, and finish paint is (2.5-3.2) by mass ratio: 1 A component and B component are formed; First component and A component all are base-material with Resins, epoxy; Second component and B component are formed by solidifying agent and curing catalyst.
Described first components in mass portion meter comprises the Resins, epoxy of 80-90 part, the environment-friendly type solvent of 10-20 part, the softening agent of 4-8 part, the coupling agent of 3-6 part, the flow agent of 0.5-1.0 part, the filler of 50-70 part, the rust-stabilising pigment of 5-13 part, the thinner of 5-10 part, the adhesion promoter of 5-8 part; Described second components in mass portion meter comprises the solidifying agent of 20-35 part, the curing catalyst of 7-12 part.
Described A components in mass portion meter comprises the Resins, epoxy of 90-100 part, the environment-friendly type solvent of 15-25 part, the softening agent of 4-9 part, the coupling agent of 4-8 part, the flow agent of 1.0-1.5 part, the filler of 60-70 part, the rust-stabilising pigment of 5-13 part; Described B components in mass portion meter comprises the solidifying agent of 20-35 part, the curing catalyst of 12-18 part.
Described thinner is a reactive thinner, is specially butylglycidyl ether or/and benzyl glycidyl ether; Described adhesion promoter is Worlee_Add322.
Described Resins, epoxy is one or more of PY307-1, E-44, E-51 and E-55.
Described environment-friendly type solvent is a methylcarbonate.
Described softening agent is one or more in dioctyl phthalate (DOP), dibutyl phthalate, plasticizer DOP, the Plasticizer DBP; Described coupling agent is KH560; Described flow agent is BYK-333; Described filler is a talcum powder, sericite, white carbon black, one or more of barium sulfate; Described rust-stabilising pigment is a mineral dye, is specially one or more of titanium dioxide, red iron oxide, zinc phosphate.
Described solidifying agent is alicyclic modified amine hardener H-3302; Described curing catalyst is DMP-30.
The concrete surface of the present invention preparation method of protective system, described method is specially:
1) preparation of first component: Resins, epoxy and environment-friendly type solvent are mixed in reactor, after mixing, mechanical stirring adds filler, stirred 5-12 minute, add softening agent, coupling agent, flow agent, thinner and adhesion promoter then successively, stir and mixed fully to mixture in 10-15 minute, add rust-stabilising pigment at last and continue to stir 10-12 minute, be uniformly dispersed, leaching filtrate obtains the first component;
2) preparation of A component: Resins, epoxy and environment-friendly type solvent are mixed in reactor, after mixing, mechanical stirring adds filler, stirred 5-12 minute, add softening agent, coupling agent, flow agent then successively, stir and mixed fully to mixture in 10-15 minute, add rust-stabilising pigment at last and continue to stir 10-12 minute, be uniformly dispersed, leaching filtrate obtains the A component;
3) preparation of second component and B component: by proportioning solidifying agent and curing catalyst are added in the reactor respectively, stirred 15-20 minute, until mixing fully;
When 4) using, with first component and component B by mass ratio (2.5-3.2): 1 mixes and obtains priming paint, with A component and B component by mass ratio (2.5-3.2): 1 mixes and obtains finish paint, primes earlier at concrete surface, overpainting again.
Compared with prior art, choice set spatter property of the present invention and security environmental type solvent makes construction and maintenance all compare safe ready.The concrete surface protective system stable performance of the present invention's preparation, strong adhesion, long service life, anticorrosion ability is good, environmental protection, decorative effect is good, and production technique is simple, can be applicable to highway bridge, marine structure, shop building etc.After the application, concrete high temperature-resistant acid-resistant caustic corrosion performance and work-ing life will improve greatly.
Embodiment
Below in conjunction with specific embodiment preparation method of the present invention is described further, but protection scope of the present invention is not limited to this.
Embodiment 1
1) preparation of first component: 80g epoxy resin E-44 and 15g dimethyl carbonate solvent are mixed in reactor, after mixing, mechanical stirring adds the mixed fillers that 30g talcum powder and 30g sericite are formed, stirred 8 minutes, add the 5g dioctyl phthalate (DOP) then successively, 4gKH560,0.6gBYK-333, the 8g butylglycidyl ether, 7gWorlee_Add322, stir and mixed fully to mixture in 10 minutes, add the 9g red iron oxide at last and continue to stir 10 minutes, be uniformly dispersed, leaching filtrate obtains the first component;
2) preparation of A component: 90g epoxy resin E-44 and 20g dimethyl carbonate solvent are mixed in reactor, after mixing, mechanical stirring adds the mixed fillers that 35g talcum powder and 35g mica are formed, stirred 8 minutes, and added 6gDOP, 6gKH560 then successively, 1.2gBYK-333, stir and mixed fully to mixture in 10 minutes, add the 8g red iron oxide at last and continue to stir 10 minutes, be uniformly dispersed, leaching filtrate obtains the A component;
3) preparation of second component: alicyclic modified amine hardener H-3302 of 25g and 10g curing catalyst DMP-30 are added in the reactor, stirred 15 minutes, until mixing fully; The preparation of B component: alicyclic modified amine hardener H-3302 of 25g and 12g curing catalyst DMP-30 are added in the reactor, stirred 15 minutes, until mixing fully;
When 4) using, first component and component B mixed by mass ratio 3:1 obtain priming paint, A component and B component are mixed by mass ratio 2.8:1 obtain finish paint, prime earlier at concrete surface, again overpainting.
Embodiment 2
1) preparation of first component: 90g epoxy resin E-44 and 20g dimethyl carbonate solvent are mixed in reactor, after mixing, mechanical stirring adds the mixed fillers that 30g talcum powder, 30g sericite and 10g white carbon black are formed, stirred 12 minutes, add the 8g Plasticizer DBP then successively, 1gKH560,1.0gBYK-333,5g butylglycidyl ether and 5g benzyl glycidyl ether, 8gWorlee_Add322, stir and mixed fully to mixture in 15 minutes, add the 13g titanium dioxide at last and continue to stir 12 minutes, be uniformly dispersed, leaching filtrate obtains the first component;
2) preparation of A component: 100g Resins, epoxy E-51 and 25g dimethyl carbonate solvent are mixed in reactor, after mixing, mechanical stirring adds the mixed fillers that 30g talcum powder, 30g sericite and 10g barium sulfate are formed, stirred 10 minutes, and added 8g Plasticizer DBP, 6gKH560 then successively, 1.2gBYK-333, stir and mixed fully to mixture in 15 minutes, add the 8g red iron oxide at last and continue to stir 10 minutes, be uniformly dispersed, leaching filtrate obtains the A component;
3) preparation of second component: alicyclic modified amine hardener H-3302 of 30g and 12g curing catalyst DMP-30 are added in the reactor, stirred 16 minutes, until mixing fully; The preparation of B component: alicyclic modified amine hardener H-3302 of 35g and 15g curing catalyst DMP-30 are added in the reactor, stirred 15 minutes, until mixing fully;
When 4) using, first component and component B mixed by mass ratio 3.2:1 obtain priming paint, A component and B component are mixed by mass ratio 3:1 obtain finish paint, prime earlier at concrete surface, again overpainting.
Embodiment 3
Get 90g Resins, epoxy E-51 and 20g dimethyl carbonate solvent and drop in the reactor, the mixed fillers of after mechanical stirring mixes 30g talcum powder, 30g sericite and 10g white carbon black being formed adds reactor, stirs 12 minutes; Add 8g dibutyl phthalate, 1gKH560,1.0gBYK-333 then successively, 5g butylglycidyl ether and 5g benzyl glycidyl ether, after the 8gWorlee_Add322 high-speed stirring 15 minutes, add the 13g titanium dioxide at last and continue to stir 12 minutes, being uniformly dispersed to filter obtains the first component; Get 30g solidifying agent H-3302 and 12g curing catalyst DMP-30 is mixed in the whipping appts, mechanical stirring 16 minutes obtains component B up to mixing fully; During use, first component and component B are mixed by mass ratio 3.2:1, promptly get concrete surface protective system priming paint.
Get 100g Resins, epoxy E-51 and 25g dimethyl carbonate solvent and drop in the reactor, the mixed fillers of after mechanical stirring mixes 30g talcum powder, 30g sericite and 10g barium sulfate being formed adds reactor, stirs 10 minutes; Add the 8g dibutyl phthalate then successively, 6gKH560,1.2gBYK-333, high-speed stirring added the 8g red iron oxide at last and continues to stir 10 minutes after 15 minutes, and being uniformly dispersed to filter obtains the A component; Get 35g solidifying agent H-3302 and 15g curing catalyst DMP-30 is mixed in the whipping appts, mechanical stirring 15 minutes obtains the B component up to mixing fully; During use, A component and B component are mixed by mass ratio 3:1, promptly get concrete surface protective system finish paint.
Embodiment 4
Get 90g Resins, epoxy E-51 and 20g dimethyl carbonate solvent and drop in the reactor, the mixed fillers of after mechanical stirring mixes 30g talcum powder, 30g sericite and 10g white carbon black being formed adds reactor, stirs 12 minutes; Add 8g dibutyl phthalate, 1gKH560,1.0gBYK-333 then successively, 5g butylglycidyl ether and 5g benzyl glycidyl ether, after the 8gWorlee_Add322 high-speed stirring 15 minutes, add the 13g titanium dioxide at last and continue to stir 12 minutes, being uniformly dispersed to filter obtains the first component; Get 30g solidifying agent H-3302 and 12g curing catalyst DMP-30 is mixed in the whipping appts, mechanical stirring 16 minutes obtains component B up to mixing fully; During use, first component and component B are mixed by mass ratio 3.2:1, promptly get concrete surface protective system priming paint.
Get 95g Resins, epoxy E-51,5gPY307-1 and 25g dimethyl carbonate solvent and drop in the reactor, the mixed fillers of after mechanical stirring mixes 30g talcum powder, 30g sericite and 10g barium sulfate being formed adds reactor, stirs 10 minutes; Add the 8g dibutyl phthalate then successively, 6gKH560,1.2gBYK-333, high-speed stirring added the 8g red iron oxide at last and continues to stir 10 minutes after 15 minutes, and being uniformly dispersed to filter obtains the A component; Get 35g solidifying agent H-3302 and 15g curing catalyst DMP-30 is mixed in the whipping appts, mechanical stirring 15 minutes obtains the B component up to mixing fully; During use, A component and B component are mixed by mass ratio 3:1, promptly get concrete surface protective system finish paint.
For verifying the performance of concrete surface of the present invention with protective system, get the sample of embodiment 1-4 and test, the results are shown in following table:
Claims (9)
1. a concrete surface protective system is divided into priming paint and finish paint two portions, and it is characterized in that priming paint is (2.5-3.2) by mass ratio: 1 first component and second component are formed, and finish paint is (2.5-3.2) by mass ratio: 1 A component and B component are formed; First component and A component all are base-material with Resins, epoxy; Second component and B component are formed by solidifying agent and curing catalyst.
2. concrete surface protective system according to claim 1, it is characterized in that, described first components in mass portion meter comprises the Resins, epoxy of 80-90 part, the environment-friendly type solvent of 10-20 part, the softening agent of 4-8 part, the coupling agent of 3-6 part, the flow agent of 0.5-1.0 part, the filler of 50-70 part, the rust-stabilising pigment of 5-13 part, the thinner of 5-10 part, the adhesion promoter of 5-8 part; Described second components in mass portion meter comprises the solidifying agent of 20-35 part, the curing catalyst of 7-12 part.
3. concrete surface protective system according to claim 1, it is characterized in that, described A components in mass portion meter comprises the Resins, epoxy of 90-100 part, the environment-friendly type solvent of 15-25 part, the softening agent of 4-9 part, the coupling agent of 4-8 part, the flow agent of 1.0-1.5 part, the filler of 60-70 part, the rust-stabilising pigment of 5-13 part; Described B components in mass portion meter comprises the solidifying agent of 20-35 part, the curing catalyst of 12-18 part.
4. according to claim 2 or 3 described concrete surface protective systems, it is characterized in that described Resins, epoxy is one or more of PY307-1, E-44, E-51 and E-55.
5. according to claim 2 or 3 described concrete surface protective systems, it is characterized in that described environment-friendly type solvent is a methylcarbonate.
6. according to claim 2 or 3 described concrete surface protective systems, it is characterized in that described softening agent is one or more in dioctyl phthalate (DOP), dibutyl phthalate, plasticizer DOP, the Plasticizer DBP; Described coupling agent is KH560; Described flow agent is BYK-333; Described filler is a talcum powder, sericite, white carbon black, one or more of barium sulfate; Described rust-stabilising pigment is a mineral dye, is specially one or more of titanium dioxide, red iron oxide, zinc phosphate.
7. according to claim 2 or 3 described concrete surface protective systems, it is characterized in that described solidifying agent is alicyclic modified amine hardener H-3302; Described curing catalyst is DMP-30.
8. concrete surface protective system according to claim 2 is characterized in that described thinner is a reactive thinner, is specially butylglycidyl ether or/and benzyl glycidyl ether; Described adhesion promoter is Worlee_Add322.
9. according to the preparation method of claim 2 or 3 described concrete surfaces usefulness protective systems, it is characterized in that described method is specially:
1) preparation of first component: Resins, epoxy and environment-friendly type solvent are mixed in reactor, after mixing, mechanical stirring adds filler, stirred 5-12 minute, add softening agent, coupling agent, flow agent, thinner and adhesion promoter then successively, stir and mixed fully to mixture in 10-15 minute, add rust-stabilising pigment at last and continue to stir 10-12 minute, be uniformly dispersed, leaching filtrate obtains the first component;
2) preparation of A component: Resins, epoxy and environment-friendly type solvent are mixed in reactor, after mixing, mechanical stirring adds filler, stirred 5-12 minute, add softening agent, coupling agent, flow agent then successively, stir and mixed fully to mixture in 10-15 minute, add rust-stabilising pigment at last and continue to stir 10-12 minute, be uniformly dispersed, leaching filtrate obtains the A component;
3) preparation of second component and B component: by proportioning solidifying agent and curing catalyst are added in the reactor respectively, stirred 15-20 minute, until mixing fully;
When 4) using, with first component and component B by mass ratio (2.5-3.2): 1 mixes and obtains priming paint, with A component and B component by mass ratio (2.5-3.2): 1 mixes and obtains finish paint, primes earlier at concrete surface, overpainting again.
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| CN103642359A (en) * | 2013-11-28 | 2014-03-19 | 郎溪县鑫泽涂料有限公司 | Single-package high-solid petroleum drill pipe coating and preparation method thereof |
| CN104341965A (en) * | 2014-11-23 | 2015-02-11 | 桂林理工大学 | Preparation method for anti-corrosion epoxy resin paint |
| CN105713483A (en) * | 2016-02-02 | 2016-06-29 | 广东多正化工科技有限公司 | Multifunctional epoxy universal primer and preparation method thereof |
| CN106867364A (en) * | 2017-03-07 | 2017-06-20 | 中国科学院宁波材料技术与工程研究所 | Armored concrete protection composite coating and its preparation method and application |
| CN107722813A (en) * | 2017-09-29 | 2018-02-23 | 江苏亿可得电子科技有限公司 | A kind of environment-friendly type television set preparation method of anticorrosion paint |
| CN107903779A (en) * | 2017-11-27 | 2018-04-13 | 国网山东省电力公司电力科学研究院 | One kind is used for transmission line of electricity reinforced concrete pipe efflorescence prevention coating |
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| CN107987673A (en) * | 2017-12-12 | 2018-05-04 | 山西省交通科学研究院 | A kind of pipeline anti-corrosive paint and preparation method thereof |
| CN109401549A (en) * | 2018-11-06 | 2019-03-01 | 河南恒润昌环保科技有限公司 | A kind of extraordinary heavy antisepsis finishing coat of environmental protection and preparation method thereof |
| CN111876114A (en) * | 2020-08-12 | 2020-11-03 | 河北亮安电力工程有限公司 | Strong-adhesion high-weather-resistance environment-friendly anti-corrosion porcelain glaze with anti-corrosion and reinforcement performance, construction method and construction device |
| CN112898863A (en) * | 2020-11-18 | 2021-06-04 | 广州市维思涂料科技有限公司 | Anticorrosive paint and preparation method thereof |
| CN114213943A (en) * | 2021-12-29 | 2022-03-22 | 湖北航天化学技术研究所 | Concrete protective paint and preparation method thereof |
| WO2022141931A1 (en) * | 2020-12-31 | 2022-07-07 | 桂林理工大学 | Corrosion-resistant coating for marine concrete, and preparation method therefor |
| CN116694182A (en) * | 2023-05-19 | 2023-09-05 | 国网山东省电力公司梁山县供电公司 | Windproof coating for reinforcing cement electric pole and preparation method thereof |
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| CN103642359A (en) * | 2013-11-28 | 2014-03-19 | 郎溪县鑫泽涂料有限公司 | Single-package high-solid petroleum drill pipe coating and preparation method thereof |
| CN104341965A (en) * | 2014-11-23 | 2015-02-11 | 桂林理工大学 | Preparation method for anti-corrosion epoxy resin paint |
| CN105713483A (en) * | 2016-02-02 | 2016-06-29 | 广东多正化工科技有限公司 | Multifunctional epoxy universal primer and preparation method thereof |
| CN106867364A (en) * | 2017-03-07 | 2017-06-20 | 中国科学院宁波材料技术与工程研究所 | Armored concrete protection composite coating and its preparation method and application |
| CN107722813A (en) * | 2017-09-29 | 2018-02-23 | 江苏亿可得电子科技有限公司 | A kind of environment-friendly type television set preparation method of anticorrosion paint |
| CN107989392A (en) * | 2017-11-27 | 2018-05-04 | 山东电力工业锅炉压力容器检验中心有限公司 | A kind of damaged damage reinforcement means of power transmission and transformation reinforced concrete pipe |
| CN107903779A (en) * | 2017-11-27 | 2018-04-13 | 国网山东省电力公司电力科学研究院 | One kind is used for transmission line of electricity reinforced concrete pipe efflorescence prevention coating |
| CN107987673A (en) * | 2017-12-12 | 2018-05-04 | 山西省交通科学研究院 | A kind of pipeline anti-corrosive paint and preparation method thereof |
| CN109401549A (en) * | 2018-11-06 | 2019-03-01 | 河南恒润昌环保科技有限公司 | A kind of extraordinary heavy antisepsis finishing coat of environmental protection and preparation method thereof |
| CN111876114A (en) * | 2020-08-12 | 2020-11-03 | 河北亮安电力工程有限公司 | Strong-adhesion high-weather-resistance environment-friendly anti-corrosion porcelain glaze with anti-corrosion and reinforcement performance, construction method and construction device |
| CN111876114B (en) * | 2020-08-12 | 2021-11-02 | 河北亮安电力工程有限公司 | Strong-adhesion high-weather-resistance environment-friendly anti-corrosion porcelain glaze with anti-corrosion and reinforcement performance, construction method and construction device |
| CN112898863A (en) * | 2020-11-18 | 2021-06-04 | 广州市维思涂料科技有限公司 | Anticorrosive paint and preparation method thereof |
| WO2022141931A1 (en) * | 2020-12-31 | 2022-07-07 | 桂林理工大学 | Corrosion-resistant coating for marine concrete, and preparation method therefor |
| CN114213943A (en) * | 2021-12-29 | 2022-03-22 | 湖北航天化学技术研究所 | Concrete protective paint and preparation method thereof |
| CN116694182A (en) * | 2023-05-19 | 2023-09-05 | 国网山东省电力公司梁山县供电公司 | Windproof coating for reinforcing cement electric pole and preparation method thereof |
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