CN103045050A - Antirust coating for metal pipeline - Google Patents
Antirust coating for metal pipeline Download PDFInfo
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- CN103045050A CN103045050A CN201310018353XA CN201310018353A CN103045050A CN 103045050 A CN103045050 A CN 103045050A CN 201310018353X A CN201310018353X A CN 201310018353XA CN 201310018353 A CN201310018353 A CN 201310018353A CN 103045050 A CN103045050 A CN 103045050A
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- proof paint
- rust proof
- metallic conduit
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Abstract
The invention discloses an antirust coating for a metal pipeline. The antirust coating comprises, in percent by weight, 25-50% of epoxy resin, 10-20% of epoxy acrylate, 35-60% of a reactive diluent, 3-6% of a photoinitiator, 1-5% of an adhesion force accelerant, and 0.5-1.5% of a levelling agent. The coating disclosed by the invention is subjected to hybrid curing by virtue of cation-free radical, thus greatly solving the problem of difficulty to realize balance between an adhesion force and corrosion resistance; simultaneously, via the added epoxy acrylate, the curing speed of the system is increased. The coating is free from a volatile organic solvent, and is a completely green and environment-friendly coating.
Description
Technical field
The invention belongs to a kind of pipeline rust proof paint, be specifically related to a kind of rust proof paint of ultraviolet light polymerization of the low-carbon environment-friendly VOC free for petroleum pipe line.
Background technology
Along with the development of petrochemical industry, growing to the demand of the metallic conduits such as oil transportation, gas transmission, water supply and sewage and produced-water reinjection pipeline.Usually contain a large amount of H in these oil that are transferred, gas, the water medium
2S, CO
2, O
2And the materials such as acid, alkali, salt, can cause serious corrosive pipeline, the accident such as cause thus leakage of oil, leak gas, leak directly affects the carrying out of production, and brings massive losses to national economy, and therefore, the problem of solution corrosive pipeline is imperative.
In various anti-corrosion measures, as anticorrosion coating on pipeline, be considered at present effective method with epoxide powder coating.But the production of powder coating and coating process all need specific equipment, floor space is larger, and powder coating is not suitable for scumbling simultaneously, is only applicable to thick being coated with, and the powder coating solidification time is long, and these defectives that energy consumption is high are not suitable for modern high-speed production lines development trend.
Along with the fast development of world economy and improving constantly of people's quality of the life; protection of the environment and save energy more and more come into one's own, and the coating (namely exploitation " environmentally friendly coating ") that Speeding up development uses no or little organic solvent has become the common recognition of countries in the world.Ultraviolet-curing paint has " 5E " characteristics: Efficient (efficiently),, Enabling (wide adaptability), Economical (economy), EnergySaving (energy-conservation), Environmental Friendly (environmental friendliness), meet world to subtracting carbon, environmental protection, energy-conservation requirement, be described as " 21 century green technology ".China has researched and developed ultraviolet-curing paint at aspects such as optical fiber, solder resists from the eighties in 20th century, but is applied to metallic conduit rot-resistant ultraviolet-curing paint and few.
Publication number is the preparation method that the Chinese patent of CN 101845271B discloses a kind of ultraviolet light-cured coating for seamless steel pipe, utilize acrylated urethane oligomers, polyalcohol modified acrylate urethane to be combined as matrix resin, fully stir with bisphenol-A epoxy acrylic resin, organic silicon modified polyurethane acrylate, behind 60 ℃ of lower reaction 4h, be mixed to get this coating with diluting monomer, initiator and thermo-stabilizer again.This product has preferably sticking power and snappiness at steel pipe, but owing to there is the organosilane of low surface tension in the system, affects the recoatability of paint film, also exists product to prepare loaded down with trivial details and the high in cost of production shortcoming simultaneously.
Publication number is that CN 102634268A Chinese patent application discloses the solvent-free steel pipe coating of a kind of UV and preparation method, the coating chief component comprises urethane acrylate, polyester acrylate, epoxy acrylate, acrylate monomer, light trigger, auxiliary agent etc., this paint heating can spray under 50-60 ℃, and sprayed and can carry out UV at once and solidify, can protect preferably the steel tube surface corrosion.But the snappiness of this product is good not, can make the steel pipe that is cured in the transportation packing process, owing to lacquer is fallen in the collision between steel pipe, and then affects the preservative property of paint film, also has the high shortcoming of viscosity simultaneously.
The ultraviolet-curing paint that is used for steel pipe corrosion-proof must possess following essential characteristic: the sticking power that (1) is good and physical strength, the coating's permeability that (2) are less and water permeability, the erosion resistance that (3) are good.It is generally acknowledged that the compactness that improves coating can improve the preservative property of paint film preferably, by improving the cross-linking density of system, can increase the compactness of coating.But for the radically curing system, the raising of cross-linking density will inevitably cause the volumetric shrinkage that paint film is larger, thereby affects sticking power.Although the cationic curing system has low-shrinkage, namely when increasing the system cross-linking density, the volumetric shrinkage of generation increases can be smaller, smaller on the impact of adhering to, energy is balance sticking power and preservative property well, but can there be the slow problem of curing speed in cationic curing.
Summary of the invention
The invention provides a kind of rust proof paint for metallic conduit, this rust proof paint can adopt ultraviolet light polymerization, and curing speed is fast, and has simultaneously preferably sticking power and antiseptic property.
A kind of rust proof paint for metallic conduit, by weight percentage, raw material consists of:
Described light trigger is the mixture of cationic photoinitiator and radical photoinitiator.
Among the present invention, described light trigger can make described Resins, epoxy that UV curing occurs.When described Resins, epoxy being carried out UV curing, adopted free radical-cationic hybrid curing system, improved on the one hand the cross-linking density of the system after solidifying, the compactness of the coating that makes is increased, antiseptic property improves greatly, on the other hand, system after the curing has lower shrinking percentage, and is smaller on the impact of adhering to, and has preferably adhesion property, therefore, well balance sticking power and antiseptic property of this curing system.Simultaneously, described Epocryl has the fast characteristics of curing speed, can improve the curing speed of whole system.
As preferably, by weight percentage, raw material consists of:
Resins, epoxy of the present invention is cycloaliphatic epoxy resin, one or more in bisphenol A epoxide resin and the bisphenol F epoxy resin.Preferred low-viscosity epoxy resin is to improve the rheological property of rust proof paint.Preferably, described bisphenol A epoxide resin is South Asia, Taiwan NPEL127, the DER330 of NPEL128 or DOW Chemical, DER332, DER383; Described bisphenol F epoxy resin is South Asia, Taiwan NPEL170, the YDF-165 of the DER354 of DOW Chemical or national capital chemical industry, YDF170 etc.; Described cycloaliphatic epoxy resin is bright and beautiful auspicious SE06, SE21.
Described Epocryl is made by Resins, epoxy and (methyl) acroleic acid esterification, and contains polar group, adds curing speed and adhesion property that Epocryl can improve rust proof paint.Described epoxy acrylate is preferably bisphenol A epoxy acrylate, one or more in Epoxy Phenolic Acrylates and the epoxidized oil acrylate.The described epoxy acrylate industrialization product trade mark comprises that the Sartomer trade mark is CN116, and CNUVE151 etc., the special special surface of the cyanogen technology company trade mark are 3701,3703 etc., 4220,4240,4261 etc. of middle mountain field Electron Material Co., Ltd of section.
Described reactive thinner is preferably Hydroxyethyl acrylate (HEA), Propylene glycol monoacrylate (HPA), hydroxyethyl methylacrylate (HEMA), Rocryl 410 (HEPA), isobornyl acrylate (IBOA), isobornyl methacrylate (IBOMA), dipropylene glycol class diacrylate (DPGDA), tripropylene glycol class diacrylate (TPGDA), 1,6-hexanediyl ester (HDDA), neopentylglycol diacrylate (NPGDA), the third oxidation neopentylglycol diacrylate (PO2NPGDA), Viscoat 295 (TMPTA), in ethoxyquin Viscoat 295 (TMP (EO) TA) and the pentaerythritol triacrylate (PETA) one or more, the adding of these reactive thinners can improve the adaptive phase of described rust proof paint, and can improve the toughness of the formed coating of described rust proof paint.
The weight ratio of described cationic photoinitiator and radical photoinitiator is preferably 1:0.5～1, when the ratio of described cationic photoinitiator is excessive, can reduce curing speed and the cross-linking density of described rust proof paint, and then reduce the coating antiseptic performance; When the ratio of described radical photoinitiator is excessive, can cause the sticking power of described rust proof paint to reduce.
Consider that from the aspect of cost described cationic photoinitiator is preferably phenylbenzene-(4-phenyl sulphur) phenyl sulfonium hexafluoro antimonate (6976) and/or phenylbenzene-(4-phenyl sulphur) phenyl sulfonium hexafluorophosphate (6992);
Described radical photoinitiator is preferably benzophenone (BP); 2-hydroxy-2-methyl-1-phenyl-acetone (1173); 1-hydroxy-cyclohexyl benzophenone (184); 2,4,6-trimethylbenzoyl diphenyl phosphate oxidation (TPO); two (2; 4,6-trimethylbenzoyl) at least a in diphenyl phosphate oxidation (819) and 2, the 2-dimethoxy-Phenyl ethyl ketone (651).
In order to improve the sticking power of filming to the steel pipe base material, need to add adhesion promoter.Described adhesion promoter is preferably one or more in phosphoric acid ester adhesion promoter and the modification esters of gallic acid adhesion promoter;
Described phosphoric acid ester adhesion promoter is preferably at least a in (methyl) vinylformic acid phosphate monoester and (methyl) vinylformic acid phosphate diester;
Described modification esters of gallic acid adhesion promoter is for being preferably simple function, at least a in difunctionality and the trifunctional acid esters.
The described adhesion promoter industrialization product trade mark can be selected from the SR9008 of Sartomer, SR9009, CD9050, CD9051, the EB111 of excellent Thebe company, EB112, EB1039, EB168, EB170; 4703 etc. of Kening Co.,Ltd.
Described flow agent can further improve the antiseptic property of the coating that obtains so that the coating that arrives is smooth, smooth, even, is preferably polyacrylic ester, at least a in silicone resin and the fluorine surfactant, BYK-306 for example, BYK-373, BYK-371, BYK-333 etc.
The preparation method of described rust proof paint is as follows: Resins, epoxy, epoxy acrylate, reactive thinner, the adhesion promoter with above-mentioned weight percent adds in the container first, fully stir, the light trigger and the flow agent that add above-mentioned weight percent, lucifuge fully stir the ultraviolet light polymerization petroleum pipe line rust proof paint that namely gets a kind of low-carbon environment-friendly VOC free again.
Compare with prior art, beneficial effect of the present invention is embodied in:
(1) utilize the low volumetric shrinkage of cationic curing, the advantage good to metal adhesion, and preservative property and the chemical-resistant of coupling collar epoxy resins excellence have solved the sticking power of UV Curing Anti-Corrosive Coatings and the problem that preservative property are difficult to balance well;
(2) mix curing with epoxy acrylate, product is had outside better sticking power and the preservative property, also have faster curing speed, but Effective Raise production efficiency;
(3) this product does not contain any organic solvent, and non-volatility organic compound (VOC) discharging does not contain the elements such as Pb, Cr, Zn, does not have environmental pollution in production and use procedure, is a kind of efficient, environmental type coating.
Embodiment
Embodiment 1～3
The preparation of coating: in container, add Resins, epoxy, epoxy acrylate, reactive thinner and adhesion promoter by the parts by weight shown in the table 1, after fully stirring, the light trigger and the flow agent that add again parts by weight shown in the table 1, after lucifuge stirs, obtain the protective system for metallic conduit.
Table 1 embodiment 1～3 is for the preparation of each amounts of components of protective system
The protective system that embodiment 1～3 is made is sprayed on the petroleum pipe line in the time of 30～40 ℃, through 600～700mJ/cm
2Ultraviolet light polymerization, can obtain corrosion protection coating.The performance test results is as shown in table 2.
The performance test results of the protective system that table 2 embodiment 1～3 makes
Can find out in the table 2 that rust proof paint of the present invention has the advantages such as sticking power is good, weathering resistance is strong.
Claims (9)
1. rust proof paint that is used for metallic conduit is characterized in that by weight percentage, raw material consists of:
Described light trigger is the mixture of cationic photoinitiator and radical photoinitiator.
2. the rust proof paint for metallic conduit according to claim 1 is characterized in that, by weight percentage, raw material consists of:
3. the rust proof paint for metallic conduit according to claim 1 and 2 is characterized in that, described Resins, epoxy is cycloaliphatic epoxy resin, one or more in bisphenol A epoxide resin and the bisphenol F epoxy resin.
4. the rust proof paint for metallic conduit according to claim 1 and 2 is characterized in that, described epoxy acrylate is bisphenol A epoxy acrylate, one or more in Epoxy Phenolic Acrylates and the epoxidized oil acrylate.
5. the rust proof paint for metallic conduit according to claim 1 and 2, it is characterized in that, described reactive thinner is Hydroxyethyl acrylate, Propylene glycol monoacrylate, hydroxyethyl methylacrylate, Rocryl 410, isobornyl acrylate, isobornyl methacrylate, dipropylene glycol class diacrylate, tripropylene glycol class diacrylate, 1,6 hexanediol diacrylate, neopentylglycol diacrylate, the third oxidation neopentylglycol diacrylate, Viscoat 295, one or more in ethoxyquin Viscoat 295 and the pentaerythritol triacrylate.
6. the rust proof paint for metallic conduit according to claim 1 and 2 is characterized in that, the weight ratio of described cationic photoinitiator and radical photoinitiator is 1: 0.5～1.
7. the rust proof paint for metallic conduit according to claim 6, it is characterized in that described cationic photoinitiator is at least a in phenylbenzene-(4-phenyl sulphur) phenyl sulfonium hexafluoro antimonate and phenylbenzene-(4-phenyl sulphur) phenyl sulfonium hexafluorophosphate;
Described radical photoinitiator is benzophenone; 2-hydroxy-2-methyl-1-phenyl-acetone; 1-hydroxy-cyclohexyl benzophenone; 2,4,6-trimethylbenzoyl diphenyl phosphate oxidation; two (2; 4,6-trimethylbenzoyl) at least a in diphenyl phosphate oxidation and 2, the 2-dimethoxy-Phenyl ethyl ketone.
8. the rust proof paint for metallic conduit according to claim 1 and 2 is characterized in that, described adhesion promoter is selected from one or more in phosphoric acid ester adhesion promoter and the modification esters of gallic acid adhesion promoter;
Described phosphoric acid ester adhesion promoter is at least a in (methyl) vinylformic acid phosphate monoester and (methyl) vinylformic acid phosphate diester;
Described modification esters of gallic acid adhesion promoter is simple function, at least a in difunctionality and the trifunctional acid esters.
9. the rust proof paint for metallic conduit according to claim 1 and 2 is characterized in that, described flow agent is polyacrylic ester, at least a in silicone resin and the fluorine surfactant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310018353.XA CN103045050B (en) | 2013-01-17 | 2013-01-17 | A kind of antirusting paint for metallic conduit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310018353.XA CN103045050B (en) | 2013-01-17 | 2013-01-17 | A kind of antirusting paint for metallic conduit |
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| CN103045050A true CN103045050A (en) | 2013-04-17 |
| CN103045050B CN103045050B (en) | 2016-09-14 |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103540181A (en) * | 2013-09-30 | 2014-01-29 | 浙江佑谦特种材料有限公司 | Ocean antifouling paint for surface of ship and spraying method thereof |
| CN103709904A (en) * | 2013-11-29 | 2014-04-09 | 广东千叶松化工有限公司 | UV oil solid color paint |
| CN104046222A (en) * | 2014-06-30 | 2014-09-17 | 张家港市华尊宝特种材料科技有限公司 | Corrosion-resistant paint for safety air bag ducts |
| CN105126430A (en) * | 2015-08-26 | 2015-12-09 | 无锡华虹信息科技有限公司 | Industrial sewage filter and application method thereof |
| CN105219193A (en) * | 2015-11-12 | 2016-01-06 | 蚌埠开恒电子有限公司 | A kind of environment-friendly antirust powder coating and preparation method thereof |
| CN106957590A (en) * | 2017-04-28 | 2017-07-18 | 中山绿迪新材料有限公司 | A kind of high-performance UV curing types PU is modified silicon-acrylic coatings and preparation method thereof |
| CN107354983A (en) * | 2017-08-10 | 2017-11-17 | 合肥达科环保科技有限公司 | A kind of processing method of the aspiration box of toilet special-purpose air clarifier |
| CN107573775A (en) * | 2017-07-17 | 2018-01-12 | 江苏艺博防水防腐工程有限公司 | One kind is exempted to dry metallic conduit sprayed on material and its construction method |
| CN107936780A (en) * | 2017-11-30 | 2018-04-20 | 安徽明辉电气有限公司 | A kind of high-low voltage electric power distribution cabinet shell rust-proof coating and preparation method thereof |
| CN108148479A (en) * | 2018-01-23 | 2018-06-12 | 李宏伟 | A kind of environment-friendly high-efficiency heatproof anti-corrosion protective agent |
| CN108314912A (en) * | 2017-01-17 | 2018-07-24 | 常州格林感光新材料有限公司 | A kind of UVLED Photocurable compositions and its application in floor coatings |
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| CN109486367A (en) * | 2018-11-14 | 2019-03-19 | 泓源兴防腐科技(天津)有限公司 | A kind of anticorrosive paint |
| CN110183913A (en) * | 2019-06-04 | 2019-08-30 | 六安市微特电机有限责任公司 | A kind of motor anti-decaying paint and preparation method thereof |
| CN112011271A (en) * | 2020-08-04 | 2020-12-01 | 华南农业大学 | Organic-inorganic hybrid photocuring plant oil-based coating and preparation method and application thereof |
| CN112457778A (en) * | 2020-12-01 | 2021-03-09 | 浙江优涂新材料科技有限公司 | Preparation method of technical wood anti-fading light curing roller coating primer |
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| CN114539904A (en) * | 2022-04-02 | 2022-05-27 | 江阴泰坦高压电气有限公司 | Special stainless steel spring steel wire for antibacterial corrosion-resistant medical biopsy forceps |
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| CN103540181B (en) * | 2013-09-30 | 2015-11-04 | 浙江佑谦特种材料有限公司 | A kind of marine antifouling coating for marine surface and spraying method |
| CN103540181A (en) * | 2013-09-30 | 2014-01-29 | 浙江佑谦特种材料有限公司 | Ocean antifouling paint for surface of ship and spraying method thereof |
| CN103709904A (en) * | 2013-11-29 | 2014-04-09 | 广东千叶松化工有限公司 | UV oil solid color paint |
| CN104046222A (en) * | 2014-06-30 | 2014-09-17 | 张家港市华尊宝特种材料科技有限公司 | Corrosion-resistant paint for safety air bag ducts |
| CN105126430A (en) * | 2015-08-26 | 2015-12-09 | 无锡华虹信息科技有限公司 | Industrial sewage filter and application method thereof |
| CN105219193A (en) * | 2015-11-12 | 2016-01-06 | 蚌埠开恒电子有限公司 | A kind of environment-friendly antirust powder coating and preparation method thereof |
| CN108314912A (en) * | 2017-01-17 | 2018-07-24 | 常州格林感光新材料有限公司 | A kind of UVLED Photocurable compositions and its application in floor coatings |
| CN106957590A (en) * | 2017-04-28 | 2017-07-18 | 中山绿迪新材料有限公司 | A kind of high-performance UV curing types PU is modified silicon-acrylic coatings and preparation method thereof |
| CN106957590B (en) * | 2017-04-28 | 2019-02-01 | 中山绿迪新材料有限公司 | Modified silicon-acrylic coatings of a kind of high-performance UV curing type PU and preparation method thereof |
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| CN107936780A (en) * | 2017-11-30 | 2018-04-20 | 安徽明辉电气有限公司 | A kind of high-low voltage electric power distribution cabinet shell rust-proof coating and preparation method thereof |
| CN108148479A (en) * | 2018-01-23 | 2018-06-12 | 李宏伟 | A kind of environment-friendly high-efficiency heatproof anti-corrosion protective agent |
| CN108977071A (en) * | 2018-06-26 | 2018-12-11 | 武汉长盈鑫科技有限公司 | A kind of fiber outer layer coating of interpenetrating net polymer structure and preparation method thereof |
| CN109486367A (en) * | 2018-11-14 | 2019-03-19 | 泓源兴防腐科技(天津)有限公司 | A kind of anticorrosive paint |
| CN110183913A (en) * | 2019-06-04 | 2019-08-30 | 六安市微特电机有限责任公司 | A kind of motor anti-decaying paint and preparation method thereof |
| CN112011271A (en) * | 2020-08-04 | 2020-12-01 | 华南农业大学 | Organic-inorganic hybrid photocuring plant oil-based coating and preparation method and application thereof |
| CN112011271B (en) * | 2020-08-04 | 2021-07-27 | 华南农业大学 | Organic-inorganic hybrid photocuring plant oil-based coating and preparation method and application thereof |
| CN112457778A (en) * | 2020-12-01 | 2021-03-09 | 浙江优涂新材料科技有限公司 | Preparation method of technical wood anti-fading light curing roller coating primer |
| CN112480808A (en) * | 2020-12-21 | 2021-03-12 | 湖南宏泰新材料有限公司 | UV-EB dual-curing coating and preparation method and application thereof |
| TWI819546B (en) * | 2022-03-29 | 2023-10-21 | 國立高雄科技大學 | Preparation method of anti-corrosion coating of siloxane functional group epoxy resin photocured product |
| CN114539904A (en) * | 2022-04-02 | 2022-05-27 | 江阴泰坦高压电气有限公司 | Special stainless steel spring steel wire for antibacterial corrosion-resistant medical biopsy forceps |
| CN117304772A (en) * | 2023-11-29 | 2023-12-29 | 清华大学深圳国际研究生院 | Hard epoxy composite material for optical fiber insulator and preparation method thereof |
| CN117304772B (en) * | 2023-11-29 | 2024-02-13 | 清华大学深圳国际研究生院 | Hard epoxy composite material for optical fiber insulator and preparation method thereof |
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