CN103614074B - A kind of heatproof high voltage resistant corrosion dual-component coating - Google Patents
A kind of heatproof high voltage resistant corrosion dual-component coating Download PDFInfo
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- CN103614074B CN103614074B CN201310597509.4A CN201310597509A CN103614074B CN 103614074 B CN103614074 B CN 103614074B CN 201310597509 A CN201310597509 A CN 201310597509A CN 103614074 B CN103614074 B CN 103614074B
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Abstract
A kind of heatproof high voltage resistant corrosion of the present invention dual-component coating, comprise component A and B component, the weight percent of component A 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, during use, by A, B component, 100:2.77 ~ 3.66 are used in combination by weight.Test result shows: dual-component coating of the present invention has temperature tolerance, high pressure resistant, corrosion resistant feature, and the steam pipe being adapted at viscous oil recovery is applied.
Description
Technical field
The present invention relates to technical field of coatings, specifically, is 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 reducing costs, to greatest extent viscous crude, super heavy oil recovery out, is the common issue that world oil interface is faced.Thick oil viscosity is high, and give exploitation, collect defeated and process and all bring very large difficulty, oil play both domestic and external and researchist have done large quantifier elimination to reduce thick oil viscosity to this.At present, what more than 90% of China's viscous oil recovery relied on is steam stimulation or steam driven, that is: continue to inject high-temperature steam from Injection Well to oil reservoir, drives underground viscous crude heating crude oil to contiguous production well extraction again.Because oil field is usually in water-deficient area, in order to energy saving water resource, reduce costs, in viscous oil recovery, effluent cycle can be utilized the source as high-temperature steam.Therefore, how to carry out and prevent high-temperature steam to the infringement of Injection Well and to reduce the corrosion of sewage to pipeline extremely important.And current preventive means mainly adopts suitable specialised paint to protect steam pipe, so it is extremely important to develop the special exploitation of heatproof high voltage resistant corrosion coating to viscous crude, super-viscous oil.
Summary of the invention
The object of the invention is to solve the problem, a kind of heatproof high voltage resistant corrosion dual-component coating is provided, in described coating component A, epoxy modified silicone resin used has thermotolerance and the advantage good to substrate adhesion, by to the screening of auxiliary agent and the reasonably combined of lamella color stuffing, have selected the formulation for coating material that color stuffing volumetric concentration (PVC) is close with critical color stuffing volumetric concentration (CPVC), solidifying agent used in described coating B component is modification aliphatic cyclic amine, has the advantage 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 the steam pipe in viscous crude, super heavy oil recovery is applied.
For achieving the above object, this invention takes following technical scheme.
A kind of heatproof high voltage resistant corrosion dual-component coating, is characterized in that, comprise component A and B component; In component A, 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;
A:B=100:2.77 ~ 3.66 are used in combination by weight for described component A and B component.
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 active hydrogen equivalent weight 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 the need to 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 the steam pipe in viscous crude, super heavy oil recovery is applied.
Embodiment
Below provide the embodiment of a kind of heatproof high voltage resistant corrosion of the present invention dual-component coating, provide 3 embodiments.But it should be pointed out that enforcement of the present invention is not limited to following embodiment.
embodiment 1
A kind of heatproof high voltage resistant corrosion dual-component coating, comprises component A and B component; In component A, 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, and 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%, adopts the BYK-410 product of Bi Ke chemical company;
Silane coupling agent 0.4%, adopts the A187 product of Mitugao New Material Group;
Epoxy phosphate ester 1.3%, adopts the DP2000 product of M.LAND company;
Hydrophobicity aerosil 0.4%, adopts the R972 product of 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, and adopt the JH-5901 modification aliphatic cyclic amine product that Jia Dida company limited of Shenzhen produces, its active hydrogen equivalent weight is 95.
A:B=100:2.77 is used in combination by weight for component A described in embodiment 1 and B component.
The preparation method of a kind of heatproof high voltage resistant corrosion of the present invention dual-component coating is:
By weight percent configuration component A and the B component raw material of said components;
The epoxy silicone resin of component A is dropped in scuffing of cylinder bore, start dispersion machine and disperse;
Then add successively and continue stirring 10 minutes containing pigment affinity groups polymer copolymerization body dispersion agent, modified urea solution rheological agent, silane coupling agent, epoxy phosphate ester, hydrophobicity aerosil;
Add zinc phosphate more successively, aluminium triphosphate, mica powder, talcum powder, mica iron oxide red continue stirring 30 minutes;
Then fineness≤60 are ground to horizontal sand mill
, mixture after grinding adds 200 object glass flakes and stirs 30 minutes;
Finally add appropriate thinner according to the viscosity of coating component A to stir, namely obtain component A coating of the present invention;
By the component A of dual-component coating and B component separately packaging.Again the modification aliphatic cyclic amine of B component is mixed with component A in proportion during use.
embodiment 2
A kind of heatproof high voltage resistant corrosion dual-component coating, comprises component A and B component; In component A, 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:B=100:3.22 is used in combination by weight for component A described in embodiment 2 and B component.
The preparation method of the heatproof high voltage resistant corrosion dual-component coating of embodiment 2 is with embodiment 1.
embodiment 3
A kind of heatproof high voltage resistant corrosion dual-component coating, comprises component A and B component; In component A, 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:B=100:3.66 is used in combination by weight for component A described in embodiment 3 and B component.
The preparation method of the heatproof high voltage resistant corrosion dual-component coating of embodiment 3 is with embodiment 1.
To the test case of the heatproof high voltage resistant corrosion dual-component coating of embodiment 1 ~ 3 be:
(1) be in the 5% sodium chloride solution high temperature and high pressure kettle that is medium of 12.5 with pH value, by the film of the heatproof high voltage resistant corrosion dual-component coating of embodiment 1 ~ 3 temperature be 148 DEG C, pressure soaks 48 hours under being the condition of 70MPa, do not occur bubbling, the phenomenon that ftractures and come off.
(2) by the film of the heatproof high voltage resistant corrosion dual-component coating of embodiment 1 ~ 3 respectively the sulfuric acid of 10%, 10% sodium hydroxide, 3% sodium chloride solution in soak 30 days under room temperature, there is not the phenomenon of bubbling, ftractureing, coming off.
(3) film of the heatproof high voltage resistant corrosion dual-component coating of embodiment 1 ~ 3 is 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 the steam pipe in viscous crude, super heavy oil recovery is applied.
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 packaging is opened, component A mixed by weight A:B=100:2.77 ~ 3.66 with B component, the usage quantity of B component can specifically be determined as required, and component A and B component should stir.
(2) by when the steam pipe inwall of heatproof high voltage resistant corrosion dual-component coating of the present invention in viscous crude, super heavy oil recovery applies, need first to carry out oil removing, rust cleaning, thermal cleaning and sandblasting to the surface of inner-walls of duct to clean, make the defects such as the surperficial non-scale of inner-walls of duct, greasy dirt, water, crackle, burr, spiral cut.
(3) can spray or multiple tracks spraying by single track during coating, wet film coating thickness should reach 300
left and right.
note: component A and the mixed coating of B component should be finished in 30 minutes, as not being finished at the appointed time, special diluting agent should be adopted to clean spraying equipment, in order to avoid blocking gun barrel.
(4) as carried out multiple tracks coating, should front primary coating surface drying after 1 hour or after 60 DEG C of bakings are coated with after 30 ~ 60 minutes more together, last coating should first 60 DEG C of bakings 1 hour, and finally 100 DEG C of bakings reach the solidification completely of coating for 1 hour again.
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 not departing 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 (4)
1. a heatproof high voltage resistant corrosion dual-component coating, is characterized in that, comprises component A and B component; In component A, 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%;
The oxirane value of described epoxy silicone resin is 0.06 ~ 0.16, and solid content is 50 ± 1%;
B component is:
Modification aliphatic cyclic amine;
The active hydrogen equivalent weight of described modification aliphatic cyclic amine is 95;
A:B=100:2.77 ~ 3.66 are used in combination by weight for described component A and B component.
2. 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.
3. a kind of heatproof high voltage resistant corrosion dual-component coating according to claim 1, it is characterized in that, described thinner comprises dimethylbenzene, propyl carbinol and 1-Methoxy-2-propyl acetate.
4. a kind of heatproof high voltage resistant corrosion dual-component coating according to claim 3, it 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%.
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| CN105623466B (en) * | 2014-11-28 | 2018-06-26 | 中国科学院金属研究所 | A kind of anticorrosive paint with high conductivity and preparation method thereof |
| CN108178984B (en) * | 2017-12-18 | 2021-02-09 | 上海海隆赛能新材料有限公司 | High-temperature-resistant heavy-duty anticorrosive paint for stainless steel |
| CN108912964B (en) * | 2018-07-25 | 2021-01-15 | 上海海隆赛能新材料有限公司 | High-temperature-resistant anti-drag energy-saving heavy-duty anticorrosive paint for inner wall of heat distribution pipeline |
| CN108912963B (en) * | 2018-07-25 | 2021-02-09 | 上海海隆赛能新材料有限公司 | Application of high-temperature-resistant anti-drag energy-saving heavy-duty anticorrosive paint |
| CN109517485B (en) * | 2018-11-12 | 2021-01-05 | 上海海隆赛能新材料有限公司 | Temperature-resistant high-pressure-resistant conductive 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 |
| 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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| JP2000026769A (en) * | 1998-07-09 | 2000-01-25 | Mitsubishi Gas Chem Co Inc | Thick anticorrosion coating material |
| JP4463345B2 (en) * | 1999-06-18 | 2010-05-19 | 関西ペイント株式会社 | Paint composition |
| CN101130663B (en) * | 2007-10-10 | 2010-07-07 | 大庆油田有限责任公司 | Fire resistant anticorrosive paint of organosilicon |
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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. |
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