CN102337070A - Anti-bacterial anti-corrosive coating material for inner wall of oilfield reinjection water pipeline - Google Patents
Anti-bacterial anti-corrosive coating material for inner wall of oilfield reinjection water pipeline Download PDFInfo
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- CN102337070A CN102337070A CN2010102305627A CN201010230562A CN102337070A CN 102337070 A CN102337070 A CN 102337070A CN 2010102305627 A CN2010102305627 A CN 2010102305627A CN 201010230562 A CN201010230562 A CN 201010230562A CN 102337070 A CN102337070 A CN 102337070A
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Abstract
The invention relates to an anti-bacterial anti-corrosive coating material for the inner wall of an oilfield reinjection water pipeline, comprising solvent-free organic fluorine modified epoxy resin as base material and hybridized organic-inorganic fungicide and filling materials, etc. The coating material has good anti-bacterial performance and anti-corrosive performance, and has good self-cleaning and antisetoff performance. The coating material has good workability, and can be used on wet metal surface. The coating material has fast drying speed, good thoughness and rigidity, good adhesive force with the base coat,and flat and smooth film. The coating material has good bactericidal effect on sulfate reducing bacteria, iron bacteria and the like, good broad-spectrum bactericidal action, fast sterilization speed, high sterilization efficiency, no pollution to the environment, and no toxicity to human body.Thereby, the coating material has a wide application prospect.
Description
One, technical field
The present invention relates to a kind of coated material, be specifically related to the antibacterial anticorrosion coating material of a kind of oil field reinjection water inner-walls of duct.
Two, background technology
Iron and steel is to use metal maximum, that application is the widest among the human lives, we can say, does not have iron and steel just not have the development and the civilization of society now.But iron and steel is annual because the financial loss that corrosion is caused is extremely serious, according to the many countries of foreign statistic since the financial loss that corrosion is caused up to 3%～4% of total value of production in national economy.Iron and steel can receive corrosion in various degree in varying environment; In oil extraction process; Along with the oilfield exploitation time growth; The continuous deterioration of injection water quality, sulphate reducing bacteria, iron bacteria, saprophytic microorganism and other mikrobe constantly increase, and cause the corrosion of oil transportation filling pipe more and more serious with obstruction.It is reported that only Shengli Oil Field just has more than 28000 mouthful of oil and water well, more than 10000 kilometer of various oil transportations, filling pipe need carry out antiseptic pipeline and just reach myriametre more than 1000 every year.Domestic have nearly various schools of thinkers elephants such as grand celebration, long celebrating, Jiang-Han Area, Tarim Basin, Xinjiang Hudzon, and it needs rot-resistant pipeline amount to well imagine.Particularly oil transportation, filling pipe internal cause exist a large amount of bacteriums to attach wall breeding, dross blocking pipe, seriously corroded, and problem is anxious to be solved.
In the past, the oil-field flooding pipeline generally adopted the inner lining of steel pipe sand-cement slurry anticorrosion, utilized the strong basicity in the sand-cement slurry, suppressed bacterial reproduction and adhered to (in fact sterilization effect is bad), formed the dross blocking pipe to prevent mushroom.But liner sand-cement slurry poor adhesive force is easy to crackly fallen piece, damages transferpump or blocking filter.Because of the cement sand bed surface irregularity, frictional force is big again, has increased medium transport resistance and pressure, influences flow rate of liquid.Thicker because of cement-mortar lining simultaneously, reality has reduced the discharge capacity of pipeline, is example like Φ 114 * 9mm cement-mortar lining, just makes operational throughput reduce about 24%.If will carry identical operational throughput, must increase caliber, thus waste steel about 30%.
In the energy urgent today; Along with the exploitation of offshore oil and the Large scale construction of the Huanghe delta; The intensification of east oilfields TOR work; The anticorrosion amount of oil equipment and industry increases day by day, and wherein oil transportation, filling pipe inner wall anti-corrosive are the most important things, needs a kind of inner anticorrosioning coating material that collects long-effective corrosion, antibacterial bacteriostatic one especially.
Three, summary of the invention
The purpose of this invention is to provide the antibacterial anticorrosion coating material of a kind of oil field reinjection water inner-walls of duct, this material also can be used for oil pipeline.This material with the bisphenol A type epoxy resin of solvent-free organic fluorine modification as base-material, hydridization organic-inorganic sterilant and nano ceramics filler etc., except that having the antibacterial antiseptic property of excellent antibiotic, also have self-cleaning and stain resistance ability.Workability is good, can be in the construction of the metallic surface of humidity, and rate of drying is fast, and toughness and rigidity tool are good, and good with priming paint sticking power, paint film is smooth smooth; Sulphate reducing bacteria, iron bacteria etc. is had good germicidal action, have good broad-spectrum sterilization effect, sterilization speed is fast, and germ-killing efficiency is high, and environmentally safe is to the human non-toxic evil.Therefore, this coated material has broad application prospects.
The antibacterial anticorrosion coating material of a kind of oil field reinjection water inner-walls of duct is made up of host and solidifying agent, it is characterized in that:
A, host are made up of bisphenol A type epoxy resin, teflon resin, color stuffing, modified toughened dose, ceramic nano material, barium sulphate nano material, flow agent, skimmer, promotor, Ricinate, coupling agent and sterilant, and its massfraction ratio is: bisphenol A type epoxy resin: teflon resin: color stuffing: modified toughened dose: ceramic nano material: barium sulphate nano material: flow agent: skimmer: promotor: Ricinate: coupling agent: sterilant=30-60: 3-6: 15-30: 15-25: 5: 7: 1.6: 1.5: 0.5-1: 1-2: 1-2: 0.8-2.
B, solidifying agent are made up of linking agent or cashew nut oil modified phenolic aldehyde amine, organophosphite and chromic acid vulkacit D, and its massfraction ratio is: 94-98: 2-3: 4.
The massfraction of c, above-mentioned host and solidifying agent is than being 1-4: 1.
Modified toughened dose is a kind of active epoxy thinner that contains the unsaturated double-bond on benzene ring structure and the long aliphatic chain.
Sterilant is for using coupling agent modified nanometer silver, nano zine oxide, the carrier compsn as the n-octyl group-RH-893 of vinylcarbinol.Coupling agent modified nanometer silver: nano zine oxide: carrier is the n-octyl group-RH-893=20-30 of vinylcarbinol: 10-20: 40-70.
The above-mentioned base material of why selecting epoxy resin as coated material for use, reason is following: at first compare and can know with the sticking power of unsaturated polyester coating, contain polar hydroxyl, ehter bond etc. in the epoxy resin molecule; Ehter bond makes the molecular chain softness be convenient to rotation, can eliminate internal stress, simultaneously volumetric shrinkage only about 2% during epoxy resin cure; Therefore wet surface had higher sticking power; And volumetric shrinkage is up to 11% during curable unsaturated polyester, and its internal stress is high, and sticking power is low; And epoxy resin has good alkali resistance and lower permeability rate and oxygen transmission rate, and is can the block water oxonium ion better through non-corrosibility; Last epoxy resin need not solvent and can use, and is suitable for underwater construction, but also paints thick film easily.So after doing comparison with film forming base-materials such as polyurethanes, polyester, chlorinated rubber classes, preferred epoxy.Prove through secular experimental result, select to contain in a large number bisphenol A type epoxy resin or barium sulphate nano filler the best of polar hydroxyl and ehter bond, can significantly improve the sticking power on wet surface, satisfy the technical requirements of oil field reinjection water inner-walls of duct application.
Selecting tetrafluoroethylene in the host for use is in order better to reduce the surface free energy of coating with the ceramic nano material-mix, to improve its polluting proofing property ability.
Modified toughened dose in the host system is a kind of active epoxy thinner that contains the unsaturated double-bond on benzene ring structure and the long aliphatic chain; After adopting this modified toughened dose; The curing reaction of the reactive group participation epoxy resin that wherein contains is also miscible with it, plays toughness reinforcing and the viscosity reduction effect.
Rust conversion agent in the host system generally can adopt the chromic acid vulkacit D.
Solidifying agent in the said curative systems is cashew nut oil modified phenolic aldehyde amine.This solidifying agent has certain polarity and viscosity, has concurrently wetting and solidification, therefore in curative systems, adds this solidifying agent and not only can have wetting steel surface under the situation at water, and organic group is had certain affinity interaction.
The particle of the ceramic nano material that is adopted is little, specific surface area is big, high adsorption capacity, Intermolecular Forces that can the enhancement coating material, improve coated material workability and and body between bonding force and impermeability:
1, improve the impermeabilisation ability, nanoparticle is water insoluble, and water, oxygen and other ions can't see through particle itself; The infiltration of can only detouring has prolonged infiltration routes, plays the effect of filling hole; The nanoparticle specific surface area has chemical action very greatly and again simultaneously; Therefore can significantly improve the impervious ability of coated material, the nanometer system water-intake rate is more as shown in the table under the same thickness condition, and data show in the table; The water-intake rate of nanometer system is lower by about 31% than the water-intake rate of common system, and this anti-permeability performance that the former is described is much larger than the latter; The sheet mica shielding material;
Table 1 material of the present invention and common material water-intake rate are relatively
2. raising sticking power, the introducing of nanoparticle has increased chemisorption, and volumetric shrinkage is very little during simultaneously selected epoxy resin cure, and internal stress is not high, and the ehter bond in the resin makes the molecular chain softness be convenient to rotation, can eliminate internal stress, so can obviously improve its sticking power;
3. improve corrosion resistance nature; The destruction of general coating is all carried out along each component interface; Nano material utilizes chemically bonded and chemisorption to break off these passages; Slow down corrosion speed, chemically bonded and chemisorption stop the metalepsy of cl ions, water, oxygen and other corrosive mediums, make it be difficult for taking place corrosion reaction.Therefore the application of nano material has improved the antiseptic property of coating greatly.
Sterilant in the host is to use coupling agent modified nanometer silver, nano zine oxide, the carrier compsn as the n-octyl group-RH-893 of vinylcarbinol.The massfraction of said composition is than being coupling agent modified nanometer silver: nano zine oxide: carrier is the n-octyl group-RH-893=20-30 of vinylcarbinol: 10-20: 40-70.The application of this compsn has improved the sterilizing function of coating greatly.
Auxiliary agent in the main frame is an indispensable component in the solventless coatings, therefore in two kinds of systems, also is added with various auxiliary agents comprising promotor, skimmer, Ricinate, flow agent, coupling agent etc.Proper assistant helps to improve workability, improves painting quality.The present invention adds promotor in system, guarantee the construction time of coated material, guarantees the quick-drying of coating simultaneously.In system, add an amount of Ricinate, skimmer, flow agent, be used for wet pigments, dispersion, and make scattered pigment particles keep dispersion state, prevent that coating from flocculation occurring, returning disadvantages such as thick, that the deposition loose colour grows dim.Add appropriate amount of defoamer, flow agent eliminating the defective of coating, thereby improve antiseptic property.Adopt the mixed system of above-mentioned substance, make the effect of auxiliary agent obtain maximum lifting.Generally can use the conventional auxiliary agent that to buy on the market.
The present invention is the antibacterial anticorrosion coating material of a kind of oil field reinjection water inner-walls of duct, has functions such as sterilization, antibacterial, anticorrosion, antiscale, and self-cleaning and stain resistance ability are also arranged simultaneously.
Four, description of drawings
No accompanying drawing
Five, embodiment
Embodiment 1
The antibacterial anticorrosion coating material of a kind of oil field reinjection water inner-walls of duct comprises host system and curative systems, by weight:
(I) each component is in the host system: film-forming resin: bisphenol A type epoxy resin 50; Tetrafluoroethylene resin 4, modified toughened dose of Lite2020 10; Skimmer: 057 1.0 of Bi Ke company; Flow agent: 3,777 1.0 of Bi Ke company; Nano filling: particle diameter is the ceramics powder 7 below 100 nanometers; Inorganic-organic hybrid sterilant 1.9; Color stuffing 30.
(II) each component is in the curative systems: solidifying agent: cashew nut oil modified phenolic aldehyde amine 94; Organic sequestering agent: organophosphite 2.Rust conversion agent: chromic acid vulkacit D 4.
In use with two components by weight being to mix at 4: 1 fully to stir, slaking 10-20 minute, be preferably in about 15 minutes, can blade coating or airless spraying.
Physical property: color is a grey; Viscosity is 150s; State is a uniform liquid.
Embodiment 2
The antibacterial anticorrosion coating material of a kind of oil field reinjection water inner-walls of duct comprises host system and curative systems, by weight:
(I) each component is in the host system: film-forming resin: bisphenol A type epoxy resin 45; Modified toughened dose: Ka Delai lite2020 15; Skimmer: 057 1.5 of Bi Ke company; 3,777 1.6 of flow agent Bi Ke company; Nano filling: particle diameter is the permanent white 7 below 100 nanometers; Particle diameter is the ceramics powder 5 below 100 nanometers, tetrafluoroethylene resin 3.
(II) each component is in the curative systems: solidifying agent: cashew nut oil modified phenolic aldehyde amine 93; Organic sequestering agent: organophosphite 3; Rust conversion agent: chromic acid vulkacit D 4.
In use with two components by weight being to mix at 1: 1 fully to stir, slaking 10-20 minute, be preferably in about 15 minutes, can blade coating or airless spraying.
Physical property: color is a grey; Viscosity is 150s; State is a uniform liquid.
Performance compares:
Be applied to oil field reinjection water pipeline, drilling unit piling bar rot-resistant glass-flake coating on the market now, because improper to the surface treatment of scale, consumption and the location in coating are bad, have a strong impact on the antiseptic property, particularly permeability of coating.Cause coating not reach the expection preservative effect.
The antibacterial protective system of the present invention's research is except that having sterilizing function, in response to having used Ya Nami and fluorine material; Its densification of filming not only has good rigidity but also have good toughness; Also have certain hydrophobicity, anti-sandstone and fluidic frictional property are good, and preservative property are good.
The price contrast:
Solidifying agent of the present invention is plant oil modified dose, and in today of petroleum product price surge, the exploitation of novel solidifying agent has absolute advantage, and polyurethane glass scale product valency is similar preferably than market wear-and corrosion-resistant property for the project product price.
Claims (3)
1. the antibacterial anticorrosion coating material of oil field reinjection water inner-walls of duct is made up of host and solidifying agent, it is characterized in that:
A, host are made up of bisphenol A type epoxy resin, teflon resin, color stuffing, modified toughened dose, ceramic nano material, barium sulphate nano material, flow agent, skimmer, promotor, Ricinate, coupling agent and sterilant, and its massfraction ratio is: bisphenol A type epoxy resin: teflon resin: color stuffing: modified toughened dose: ceramic nano material: barium sulphate nano material: flow agent: skimmer: promotor: Ricinate: coupling agent: sterilant=30-60: 3-6: 15-30: 15-25: 5: 7: 1.6: 1.5: 0.5-1: 1-2: 1-2: 0.8-2.
B, solidifying agent are made up of linking agent or cashew nut oil modified phenolic aldehyde amine, organophosphite and chromic acid vulkacit D, and its massfraction ratio is: 94-98: 2-3: 4.
The massfraction of c, above-mentioned host and solidifying agent is than being 1-4: 1.
2. the antibacterial anticorrosion coating material of a kind of oil field reinjection water inner-walls of duct according to claim 1 is characterized in that: modified toughened dose is a kind of active epoxy thinner that contains the unsaturated double-bond on benzene ring structure and the long aliphatic chain.
3. the antibacterial anticorrosion coating material of a kind of oil field reinjection water inner-walls of duct according to claim 1; It is characterized in that: sterilant is for using coupling agent modified nanometer silver, nano zine oxide, the carrier compsn as the n-octyl group-RH-893 of vinylcarbinol, and massfraction is than being coupling agent modified nanometer silver: nano zine oxide: carrier is the n-octyl group-RH-893=20-30 of vinylcarbinol: 10-20: 40-70.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010230562 CN102337070B (en) | 2010-07-15 | 2010-07-15 | Anti-bacterial anti-corrosive coating material for inner wall of oilfield reinjection water pipeline |
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| CN 201010230562 CN102337070B (en) | 2010-07-15 | 2010-07-15 | Anti-bacterial anti-corrosive coating material for inner wall of oilfield reinjection water pipeline |
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| CN102337070A true CN102337070A (en) | 2012-02-01 |
| CN102337070B CN102337070B (en) | 2013-04-03 |
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| CN103254737A (en) * | 2013-05-09 | 2013-08-21 | 中国人民解放军海军后勤技术装备研究所 | Metal oil tank mould-proof conductive electrostatic anticorrosive coating |
| CN103694761A (en) * | 2013-12-05 | 2014-04-02 | 江苏金波新材料科技有限公司 | Anti-bacterial coating for pipeline and preparation method thereof |
| CN103740155A (en) * | 2013-12-05 | 2014-04-23 | 江苏金波新材料科技有限公司 | Antibacterial pipeline |
| CN104089102A (en) * | 2014-07-19 | 2014-10-08 | 飞雕电器集团有限公司 | Anti-oxygen PPR pipe |
| CN104371394A (en) * | 2014-12-10 | 2015-02-25 | 竺叶洪 | Wearproof composite antibacterial coating material and preparation method and application thereof |
| CN104403504A (en) * | 2014-11-28 | 2015-03-11 | 安徽省金盾涂料有限责任公司 | Wear-resisting corrosion-resistant antibacterial aqueous coating |
| CN104479493A (en) * | 2014-11-28 | 2015-04-01 | 北京安霸泰克生物科技有限公司 | Epoxy antibacterial paint |
| CN105936794A (en) * | 2016-05-25 | 2016-09-14 | 蚌埠高科能源装备有限公司 | Oilfield compressor external layer protection coating |
| CN106221504A (en) * | 2016-08-26 | 2016-12-14 | 安徽建邦建材有限公司 | A kind of antibacterial impermeabilisation insulating layer of external wall of building coating |
| CN106479288A (en) * | 2016-09-30 | 2017-03-08 | 合肥华运机械制造有限公司 | A kind of anticorrosive coating for chemical pump liner |
| CN110317522A (en) * | 2019-07-09 | 2019-10-11 | 中国科学院兰州化学物理研究所 | A kind of solventless epoxy coating and preparation method thereof and the application in oil-gas pipeline in anti-corrosion |
| CN110922852A (en) * | 2018-09-19 | 2020-03-27 | 北京天山新材料技术有限公司 | Abrasion resistant, anti-stick, high strength coating, composition for forming same, and delivery device containing same |
| CN113025130A (en) * | 2021-03-16 | 2021-06-25 | 浙江中财管道科技股份有限公司 | Anticorrosion, antisludging and antibacterial coating for mold core water well and application thereof |
| CN113309933A (en) * | 2021-05-06 | 2021-08-27 | 中电建宁夏工程有限公司 | Multifunctional underground water pipeline and forming method thereof |
| CN113533192A (en) * | 2021-06-25 | 2021-10-22 | 上海建冶科技股份有限公司 | Method for inhibiting microbial corrosion of water pipeline |
| CN113652139A (en) * | 2021-07-23 | 2021-11-16 | 国家石油天然气管网集团有限公司 | Anti-corrosion and anti-bacterial coating for upper surface of bottom plate of crude oil storage tank and preparation method thereof |
| EP4239004A1 (en) * | 2022-03-03 | 2023-09-06 | Roller Bearing Company of America, Inc. | Coating composition |
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| CN1281876A (en) * | 1999-07-21 | 2001-01-31 | 赵全玺 | Modified inorganic phosphate coating material |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103254737A (en) * | 2013-05-09 | 2013-08-21 | 中国人民解放军海军后勤技术装备研究所 | Metal oil tank mould-proof conductive electrostatic anticorrosive coating |
| CN103694761A (en) * | 2013-12-05 | 2014-04-02 | 江苏金波新材料科技有限公司 | Anti-bacterial coating for pipeline and preparation method thereof |
| CN103740155A (en) * | 2013-12-05 | 2014-04-23 | 江苏金波新材料科技有限公司 | Antibacterial pipeline |
| CN103740155B (en) * | 2013-12-05 | 2016-08-17 | 江苏金波新材料科技有限公司 | A kind of pipeline with antibacterial action |
| CN104089102A (en) * | 2014-07-19 | 2014-10-08 | 飞雕电器集团有限公司 | Anti-oxygen PPR pipe |
| CN104403504A (en) * | 2014-11-28 | 2015-03-11 | 安徽省金盾涂料有限责任公司 | Wear-resisting corrosion-resistant antibacterial aqueous coating |
| CN104479493A (en) * | 2014-11-28 | 2015-04-01 | 北京安霸泰克生物科技有限公司 | Epoxy antibacterial paint |
| CN104371394A (en) * | 2014-12-10 | 2015-02-25 | 竺叶洪 | Wearproof composite antibacterial coating material and preparation method and application thereof |
| CN105936794A (en) * | 2016-05-25 | 2016-09-14 | 蚌埠高科能源装备有限公司 | Oilfield compressor external layer protection coating |
| CN106221504A (en) * | 2016-08-26 | 2016-12-14 | 安徽建邦建材有限公司 | A kind of antibacterial impermeabilisation insulating layer of external wall of building coating |
| CN106479288A (en) * | 2016-09-30 | 2017-03-08 | 合肥华运机械制造有限公司 | A kind of anticorrosive coating for chemical pump liner |
| CN110922852A (en) * | 2018-09-19 | 2020-03-27 | 北京天山新材料技术有限公司 | Abrasion resistant, anti-stick, high strength coating, composition for forming same, and delivery device containing same |
| CN110317522A (en) * | 2019-07-09 | 2019-10-11 | 中国科学院兰州化学物理研究所 | A kind of solventless epoxy coating and preparation method thereof and the application in oil-gas pipeline in anti-corrosion |
| CN113025130A (en) * | 2021-03-16 | 2021-06-25 | 浙江中财管道科技股份有限公司 | Anticorrosion, antisludging and antibacterial coating for mold core water well and application thereof |
| CN113309933A (en) * | 2021-05-06 | 2021-08-27 | 中电建宁夏工程有限公司 | Multifunctional underground water pipeline and forming method thereof |
| CN113533192A (en) * | 2021-06-25 | 2021-10-22 | 上海建冶科技股份有限公司 | Method for inhibiting microbial corrosion of water pipeline |
| CN113652139A (en) * | 2021-07-23 | 2021-11-16 | 国家石油天然气管网集团有限公司 | Anti-corrosion and anti-bacterial coating for upper surface of bottom plate of crude oil storage tank and preparation method thereof |
| EP4239004A1 (en) * | 2022-03-03 | 2023-09-06 | Roller Bearing Company of America, Inc. | Coating composition |
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