CN103614074A - Temperature-resistant high pressure-resistant anti-corrosion double-component coating - Google Patents
Temperature-resistant high pressure-resistant anti-corrosion double-component coating Download PDFInfo
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- CN103614074A CN103614074A CN201310597509.4A CN201310597509A CN103614074A CN 103614074 A CN103614074 A CN 103614074A CN 201310597509 A CN201310597509 A CN 201310597509A CN 103614074 A CN103614074 A CN 103614074A
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Abstract
The invention discloses a temperature-resistant high pressure-resistant anti-corrosion double-component coating which comprises a component A and a component B, wherein the component A comprises the following raw materials in percentage by weight: 30.0-38.0% of epoxy organic silicon resin, 0.2% of high-molecular copolymer dispersant containing a pigment affinity group, 0.3-0.5% of modified urea solution rheological agent, 0.3-0.4% of silane coupling agent, 1.0-1.3% of epoxy phosphate, 0.4-0.6% of hydrophobic fumed silica, 2.0-4.0% of zinc phosphate, 1.0-3.0% of aluminum triphosphate, 15.0-17.0% of mica powder, 15.0-18.0% of talc powder, 18.0% of mica iron oxide red, 3.0% of glass flake and 4.2-6.35% of diluent; the component B is modified alicyclic amine; when in use, the components A and B are mixed at a ratio of 100:(2.77-3.66). The test result indicates that the double-component coating disclosed by the invention has the characteristics of temperature resistance, high pressure resistance and corrosion resistance, and is applicable to a steam injection pipeline in the extraction of thick oil.
Description
Technical field
The present invention relates to technical field of coatings, specifically, is to be applicable to a kind of heatproof high voltage resistant corrosion of steam pipe rot-resistant dual-component coating in oil-field thick-oil exploitation.
Background technology
In oil production, how to reduce costs, to greatest extent viscous crude, super heavy oil recovery out, be the common issue that world oil interface is faced.Thick oil viscosity is high, gives exploitation, collects defeated and processing and all bring very large difficulty, oil play both domestic and external and researchist all these to be done a large amount of research to reduce thick oil viscosity.At present, China's viscous oil recovery what more than 90% rely on is steam stimulation or steam driven, that is: continue to oil reservoir, to inject high-temperature steam from Injection Well, by underground viscous crude heating crude oil and drive to contiguous production well extraction again.Because oil field is conventionally in water-deficient area, for energy saving water resource, reduce costs the source of meeting using effluent cycle utilization as high-temperature steam in viscous oil recovery.Therefore, how to do well prevents high-temperature steam to the infringement of Injection Well and to reduce sewage extremely important to the corrosion of pipeline.And current preventive means is mainly to adopt suitable special coating to protect steam pipe, so, special heatproof high voltage resistant corrosion coating developed extremely important to the exploitation of viscous crude, super viscous crude.
Summary of the invention
The object of the invention is to address the above problem, a kind of heatproof high voltage resistant corrosion dual-component coating is provided, in described coating A component, epoxy modified silicone resin used has advantages of thermotolerance and good to substrate adhesion, reasonably combined by the screening of auxiliary agent and lamella color stuffing, the formulation for coating material of having selected color stuffing volumetric concentration (PVC) and critical color stuffing volumetric concentration (CPVC) to be close, in described coating B component, solidifying agent used is modification aliphatic cyclic amine, has advantages of that heat-proof corrosion resistant erosion property is good.It is good that dual-component coating of the present invention has temperature tolerance, and the feature of carrying capacity height and erosion resistance, is adapted at applying on the steam pipe in viscous crude, super heavy oil recovery.
For achieving the above object, the present invention has taked following technical scheme.
A heatproof high voltage resistant corrosion dual-component coating, is characterized in that, comprises A component and B component; In A component, the weight percent of each raw material is:
Epoxy silicone resin 30.0～38.0%;
Containing pigment affinity groups polymer copolymerization body dispersion agent 0.2%;
Modified urea solution rheological agent 0.3～0.5%;
Silane coupling agent 0.3～0.4%;
Epoxy phosphate ester 1.0～1.3%;
Hydrophobicity aerosil 0.4～0.6%;
Zinc phosphate 2.0～4.0%;
Aluminium triphosphate 1.0～3.0%;
Mica powder 15.0～17.0%;
Talcum powder 15.0～18.0%;
Mica iron oxide red 18.0%;
Glass flake 3.0%;
Thinner 4.2～6.35%;
B component is modification aliphatic cyclic amine;
Described A component mixes use with B component by weight A:B=100:2.77～3.66.
Optionally, the oxirane value of described epoxy silicone resin is 0.06～0.16, and solid content is 50 ± 1%.
Optionally, described glass flake is 200 object glass flakes.
Optionally, described thinner comprises dimethylbenzene, propyl carbinol and 1-Methoxy-2-propyl acetate.
Further, the weight percent of described thinner composition is:
Dimethylbenzene 50.0%;
Propyl carbinol 40.0%;
1-Methoxy-2-propyl acetate 10.0%.
Optionally, the reactive hydrogen equivalent of described modification aliphatic cyclic amine is 95.
The positively effect of a kind of heatproof high voltage resistant corrosion of the present invention dual-component coating is:
(1) preparation method for coating of the present invention is simple, without specific installation and special process.
(2) easy construction of coating, can save energy, can reduce viscous crude, super heavy oil recovery cost.
(3) coating of the present invention shows after tested, has temperature tolerance, high pressure resistant, corrosion resistant feature, is adapted at applying on the steam pipe in viscous crude, super heavy oil recovery.
Embodiment
Below provide the embodiment of a kind of heatproof high voltage resistant corrosion of the present invention dual-component coating, provide 3 embodiment.But it should be pointed out that enforcement of the present invention is not limited to following embodiment.
embodiment 1
A heatproof high voltage resistant corrosion dual-component coating, comprises A component and B component; In A component, the weight percent of each raw material is:
Epoxy silicone resin 30.0%, the oxirane value of described epoxy silicone resin is 0.06～0.16, solid content is 50 ± 1%, adopts the SMH-60 product of Jiangsu Miki Group;
Containing pigment affinity groups polymer copolymerization body dispersion agent 0.2%; Adopt the DISPERBYK-163 product of Bi Ke chemical company;
Modified urea solution rheological agent 0.5%, the BYK-410 product of employing Bi Ke chemical company;
Silane coupling agent 0.4%, the A187 product of employing Mitugao New Material Group;
Epoxy phosphate ester 1.3%, the DP2000 product of employing M.LAND company;
Hydrophobicity aerosil 0.4%, the R972 product of employing Degussa company limited;
Zinc phosphate 4.0%, buys raw material from specialized market;
Aluminium triphosphate 3.0%, buys raw material from specialized market;
Mica powder 17.0%, buys raw material from specialized market;
Talcum powder 18.0%, buys raw material from specialized market;
Mica iron oxide red 18.0%, buys raw material from specialized market;
Glass flake (200 order) 3.0%, buys raw material from specialized market;
Thinner (Er Jia Ben ︰ Zheng Ding Chun ︰ 1-Methoxy-2-propyl acetate=5:4:1) 4.2%.
B component is modification aliphatic cyclic amine, the JH-5901 modification aliphatic cyclic amine product that adopts Shenzhen Jia Dida company limited to produce, and its reactive hydrogen equivalent is 95.
A component described in embodiment 1 mixes use with B component by weight A:B=100:2.77.
The preparation method of a kind of heatproof high voltage resistant corrosion of the present invention dual-component coating is:
By weight percent configuration A component and the B component raw material of said components;
The epoxy silicone resin of A component is dropped in scuffing of cylinder bore, start dispersion machine and disperse;
Then add successively containing pigment affinity groups polymer copolymerization body dispersion agent, modified urea solution rheological agent, silane coupling agent, epoxy phosphate ester, hydrophobicity aerosil and continue to stir 10 minutes;
Add successively again zinc phosphate, aluminium triphosphate, mica powder, talcum powder, mica iron oxide red to continue to stir 30 minutes;
Then with horizontal sand mill, be ground to fineness≤60
, the mixture after grinding adds 200 object glass flakes to stir 30 minutes;
Finally according to the viscosity of coating A component, add appropriate thinner to stir, obtain A component coating of the present invention;
The A component of dual-component coating and B component are separately packed.During use, again the modification aliphatic cyclic amine of B component is mixed with A component in proportion.
embodiment 2
A heatproof high voltage resistant corrosion dual-component coating, comprises A component and B component; In A component, the weight percent of each raw material is:
Epoxy silicone resin 35.0%;
Containing pigment affinity groups polymer copolymerization body dispersion agent 0.2%;
Modified urea solution rheological agent 0.4%;
Silane coupling agent 0.35%;
Epoxy phosphate ester 1.2%;
Hydrophobicity aerosil 0.5%;
Zinc phosphate 3.0%;
Aluminium triphosphate 2.0%;
Mica powder 15.0%;
Talcum powder 15.0%;
Mica iron oxide red 18.0%;
Glass flake 3.0%;
Thinner (Er Jia Ben ︰ Zheng Ding Chun ︰ 1-Methoxy-2-propyl acetate=5:4:1) 6.35%.
B component is modification aliphatic cyclic amine.
A component described in embodiment 2 mixes use with B component by weight A:B=100:3.22.
The preparation method of the heatproof high voltage resistant corrosion dual-component coating of embodiment 2 is with embodiment 1.
embodiment 3
A heatproof high voltage resistant corrosion dual-component coating, comprises A component and B component; In A component, the weight percent of each raw material is:
Epoxy silicone resin 38.0%;
Containing pigment affinity groups polymer copolymerization body dispersion agent 0.2%;
Modified urea solution rheological agent 0.3%;
Silane coupling agent 0.3%;
Epoxy phosphate ester 1.0%;
Hydrophobicity aerosil 0.6%;
Zinc phosphate 2.0%;
Aluminium triphosphate 1.0%;
Mica powder 15.0%;
Talcum powder 15.0%;
Mica iron oxide red 18.0%;
Glass flake 3.0%;
Thinner (Er Jia Ben ︰ Zheng Ding Chun ︰ 1-Methoxy-2-propyl acetate=5:4:1) 5.6%.
B component is modification aliphatic cyclic amine.
A component described in embodiment 3 mixes use with B component by weight A:B=100:3.66.
The preparation method of the heatproof high voltage resistant corrosion dual-component coating of embodiment 3 is with embodiment 1.
Test case to the heatproof high voltage resistant corrosion dual-component coating of embodiment 1～3 is:
(1) take in the high temperature and high pressure kettle that 5% sodium chloride solution that pH value is 12.5 is medium, by filming of the heatproof high voltage resistant corrosion dual-component coating of embodiment 1～3, in temperature, be to soak 48 hours under 148 ℃, the pressure condition that is 70MPa, occur the phenomenon of bubbling, ftractureing and coming off.
(2) filming respectively of the heatproof high voltage resistant corrosion dual-component coating of embodiment 1～3 soaked 30 days under room temperature in 10% sulfuric acid, 10% sodium hydroxide, 3% sodium chloride solution, occur the phenomenon of bubbling, ftractureing, coming off.
(3) the filming of heatproof high voltage resistant corrosion dual-component coating of embodiment 1～3 soaked 30 days under normal temperature respectively in the oil products such as crude oil, gasoline, diesel oil, do not occur the phenomenon of bubbling, ftractureing and coming off.
(4) test result shows: a kind of heatproof high voltage resistant corrosion of the present invention dual-component coating has temperature tolerance, high pressure resistant, corrosion resistant feature, is adapted at applying on the steam pipe in viscous crude, super heavy oil recovery.
The using method of heatproof high voltage resistant corrosion dual-component coating of the present invention is:
(1) heatproof high voltage resistant corrosion dual-component coating of the present invention in use, first two component packings are opened, A component is mixed by weight A:B=100:2.77～3.66 with B component, and the usage quantity of B component can be specifically definite as required, and A component and B component should stir.
(2) when heatproof high voltage resistant corrosion dual-component coating of the present invention is applied on steam pipe inwall in viscous crude, super heavy oil recovery, need first to the surface of inner-walls of duct, to carry out oil removing, rust cleaning, thermal cleaning and sandblast clean, make the defects such as surperficial non-scale, greasy dirt, water, crackle, burr, spiral cut of inner-walls of duct.
(3) while applying, can spray or multiple tracks spraying by single track, wet film coating thickness should reach 300
left and right.
note: A component and the mixed coating of B component should be finished in 30 minutes, as not being finished at the appointed time, should adopt special diluting agent to clean spraying equipment, in order to avoid stop up gun barrel.
(4) as carried out multiple tracks coating, should be at front primary coating surface drying after 1 hour or after 60 ℃ of bakings are coated with after 30～60 minutes more together, last coating should first 60 ℃ of bakings 1 hour, last 100 ℃ of bakings again reach the completely curing of coating for 1 hour.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite of weight percentage ranges that does not depart from component of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a heatproof high voltage resistant corrosion dual-component coating, is characterized in that, comprises A component and B component; In A component, the weight percent of each raw material is:
Epoxy silicone resin 30.0～38.0%;
Containing pigment affinity groups polymer copolymerization body dispersion agent 0.2%;
Modified urea solution rheological agent 0.3～0.5%;
Silane coupling agent 0.3～0.4%;
Epoxy phosphate ester 1.0～1.3%;
Hydrophobicity aerosil 0.4～0.6%;
Zinc phosphate 2.0～4.0%;
Aluminium triphosphate 1.0～3.0%;
Mica powder 15.0～17.0%;
Talcum powder 15.0～18.0%;
Mica iron oxide red 18.0%;
Glass flake 3.0%;
Thinner 4.2～6.35%;
B component is:
Modification aliphatic cyclic amine;
Described A component mixes use with B component by weight A:B=100:2.77～3.66.
2. a kind of heatproof high voltage resistant corrosion dual-component coating according to claim 1, is characterized in that, the oxirane value of described epoxy silicone resin is 0.06～0.16, and solid content is 50 ± 1%.
3. a kind of heatproof high voltage resistant corrosion dual-component coating according to claim 1, is characterized in that, described glass flake is 200 object glass flakes.
4. a kind of heatproof high voltage resistant corrosion dual-component coating according to claim 1, is characterized in that, described thinner comprises dimethylbenzene, propyl carbinol and 1-Methoxy-2-propyl acetate.
5. a kind of heatproof high voltage resistant corrosion dual-component coating according to claim 4, is characterized in that, the weight percent of described thinner composition is:
Dimethylbenzene 50.0%;
Propyl carbinol 40.0%;
1-Methoxy-2-propyl acetate 10.0%.
6. a kind of heatproof high voltage resistant corrosion dual-component coating according to claim 1, is characterized in that, the reactive hydrogen equivalent of described modification aliphatic cyclic amine is 95.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105623466A (en) * | 2014-11-28 | 2016-06-01 | 中国科学院金属研究所 | High-conductivity heavy anti-corrosion coating and preparation method therefor |
| CN108178984A (en) * | 2017-12-18 | 2018-06-19 | 上海海隆赛能新材料有限公司 | A kind of high temperature resistant heavy anti-corrosion paint for stainless steel |
| CN108912964A (en) * | 2018-07-25 | 2018-11-30 | 上海海隆赛能新材料有限公司 | Heat distribution pipeline inner wall high temperature resistant drag-reduction energy-saving anticorrosive paint |
| CN108912963A (en) * | 2018-07-25 | 2018-11-30 | 上海海隆赛能新材料有限公司 | The application of high temperature resistant drag-reduction energy-saving anticorrosive paint |
| CN109401555A (en) * | 2018-11-28 | 2019-03-01 | 天津宝坻紫荆创新研究院 | A kind of high-temperature and high-presure resistent graphene modified phenolic resin grease coating material |
| CN109517485A (en) * | 2018-11-12 | 2019-03-26 | 上海海隆赛能新材料有限公司 | A kind of high pressure resistant conductive anti-corrosion coating of heatproof |
| CN111925724A (en) * | 2020-07-09 | 2020-11-13 | 深圳市沛绅汇投资发展有限公司 | Anticorrosive paint for municipal facilities and construction method thereof |
| CN114921155A (en) * | 2022-04-27 | 2022-08-19 | 宣伟(南通)涂料有限公司 | Two-component coating composition, method of making the same, and coated articles |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105623466A (en) * | 2014-11-28 | 2016-06-01 | 中国科学院金属研究所 | High-conductivity heavy anti-corrosion coating and preparation method therefor |
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| CN108178984A (en) * | 2017-12-18 | 2018-06-19 | 上海海隆赛能新材料有限公司 | A kind of high temperature resistant heavy anti-corrosion paint for stainless steel |
| CN108912964A (en) * | 2018-07-25 | 2018-11-30 | 上海海隆赛能新材料有限公司 | Heat distribution pipeline inner wall high temperature resistant drag-reduction energy-saving anticorrosive paint |
| CN108912963A (en) * | 2018-07-25 | 2018-11-30 | 上海海隆赛能新材料有限公司 | The application of high temperature resistant drag-reduction energy-saving anticorrosive paint |
| CN109517485A (en) * | 2018-11-12 | 2019-03-26 | 上海海隆赛能新材料有限公司 | A kind of high pressure resistant conductive anti-corrosion coating of heatproof |
| CN109401555A (en) * | 2018-11-28 | 2019-03-01 | 天津宝坻紫荆创新研究院 | A kind of high-temperature and high-presure resistent graphene modified phenolic resin grease coating material |
| CN111925724A (en) * | 2020-07-09 | 2020-11-13 | 深圳市沛绅汇投资发展有限公司 | Anticorrosive paint for municipal facilities and construction method thereof |
| CN114921155A (en) * | 2022-04-27 | 2022-08-19 | 宣伟(南通)涂料有限公司 | Two-component coating composition, method of making the same, and coated articles |
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| CN103614074B (en) | 2015-10-21 |
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Effective date of registration: 20170621 Address after: 637100 Xingye Road, North Zone, Nanchong Industrial Zone, Gaoping District, Sichuan Patentee after: SICHUAN HILONG PETROLEUM TECHNOLOGY CO., LTD. Address before: 200949 No. 1825 East Luo Road, Shanghai, Baoshan District Co-patentee before: Shanghai Hilong Shine New Material Co., Ltd. Patentee before: Shanghai Hilong Oil Chemical Research Institute Co-patentee before: Hilong Petroleum Industry Group Co., Ltd. |