CN102925026A - 100%-solid-content double-component liquid modified epoxy resin paint and preparation method thereof - Google Patents
100%-solid-content double-component liquid modified epoxy resin paint and preparation method thereof Download PDFInfo
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- CN102925026A CN102925026A CN2012104218020A CN201210421802A CN102925026A CN 102925026 A CN102925026 A CN 102925026A CN 2012104218020 A CN2012104218020 A CN 2012104218020A CN 201210421802 A CN201210421802 A CN 201210421802A CN 102925026 A CN102925026 A CN 102925026A
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Abstract
The invention relates to a 100%-solid-content double-component liquid modified epoxy resin paint which is prepared from a component A and a component B, wherein the component A comprises 30-40g of low-viscosity epoxy resin EPIKOTE827, 1-8g of novolac epoxy resin, 2-5g of petroleum resin, 1-3g of ethylene-acrylic acid polymer, 4-10g of reactive diluent, 0.5-1.5g of dispersant, 0.2-0.8g of defoamer, 0.5-1.5g of anti-settling anti-sagging agent, 40-50g of pigment and filler, 0.5-1.5g of adhesive accelerator, 0.5-1.5g of silane coupling agent and 0.3-0.5g of scratching and corrosion inhibitor; and the component B comprises 30-50g of modified alicyclic amine, 20-40g of isophorone diamine, 5-30g of epoxy resin and 10-30g of modified amine DMP (dimethylpyrazole) 30.
Description
Technical field: the present invention relates to a kind of protective system, especially the two component liquid modifying epoxypaints of 100% solid content and preparation method.
Background technology: undercoat is as a utilisation technology that has much superiority, and its gordian technique is aspect two of coating and coating operations.The opinion with coating, for the undercoat of oilfield waterpipe, suitable coating should make undercoat possess following properties: 1, strong adhesion; 2, coating is smooth; 3, snappiness is good; 4, chemical resistant properties is strong; 5, anti-decompression is bubbled; 6, mechanical property (wear resistance, shock resistance) is good; 7, good heat resistance, the welding burn out rate is low.And the coating property of coating itself also should satisfy the requirement of coated technique (especially automatic arc spraying) as far as possible, such as suitable viscosity, levelling property, working life, set time etc.As undercoat several particular requirements are arranged: the one, requirements for pipes reduces mechanical impurity as far as possible, to guarantee the delivery medium cleaning, prevent simultaneously filter stoppage, so internally coated sticking power is should be quite high and can keep for a long time in piping installation with in the middle of carrying operation, otherwise undercoat comes off and can cause on the contrary the impurity increase.The 2nd, the oil field pipe operating pressure is high and change greatly, and this just requires undercoat that good pressure change performance is arranged, and non-foamingly when rapid decompression does not come off.The 3rd, damage external anti-corrosion layer when avoiding coating construction, the working procedure of coating of inside and outside layer often " outer after first " for well, this has proposed again the problem that can undercoat withstand high temperatures.If external anti-corrosion layer intends adopting FBE or three-layer composite structure, must experience the high temperature of 230-250 degree centigrade (even if several minutes) during its construction, undercoat must tolerate such temperature and not change inefficacy.The 4th, internally coated smooth surface will have enough hardness and good wear resistance, makes it to stand the abrasion of washing away of gas and even tube cleaner.The 5th, inner-walls of duct may usually contact some chemical (such as inhibiter etc.) of concentrated water, hydrogen sulfide, carbonic acid gas, chlorion, bacterium and injection, and this just requires more to be higher than general coating to the anti-chemical of undercoat.
At present, domestic coating producer is devoted to the pipeline outer wall rot-resistant more and researchs and produces, and the breakout tank inner wall anti-corrosive is rarely had make inquiries, and what have is direct anti-in outer anti-coating is directly used.
Summary of the invention: the object of the present invention is to provide a kind ofly do not contain that any solvent flashing, antiseptic property are good, easy construction, time of drying is fast, paint film intensity is high, good toughness, the pipeline that sticking power is excellent, anti-cathodic disbonding performance is good, the two component liquid modifying epoxypaints of 100% solid content and the preparation method of reservoir walls long-effective corrosion, it has overcome the shortcoming that other technology exists, the object of the present invention is achieved like this, and it is made by following raw material:
A component: quality (g)
Low viscosity epoxy resin EPIKOTE827:30～40
Novolac epoxy 1～8
Petroleum resin 2～5
Ethylene, propylene acid polymer 1～3
Reactive thinner 4～10
Dispersion agent 0.5～1.5
Deaerating agent 0.2～0.8
Anti-settling anti-sag agent 0.5～1.5
Color stuffing 40～50
Adhesion promoter 0.5～1.5
Silane coupling agent 0.5～1.5
Anti-scratch etching reagent 0.3～0.5
The B component:
Modification aliphatic cyclic amine 30～50
Isophorone diamine 20～40
Resins, epoxy 5～30
Modified amine DMP30:10～30
It is made by following raw material:
A component: quality (g)
Low viscosity epoxy resin EPIKOTE827:35
Novolac epoxy 4
Petroleum resin 2.5
Ethylene, propylene acid polymer 1.5
Reactive thinner 5
Dispersion agent 0.1
Deaerating agent 0.5
Anti-settling anti-sag agent 1.0
Color stuffing 45
Adhesion promoter 1.0
Silane coupling agent 1.0
Anti-scratch etching reagent 4
The B component:
Modification aliphatic cyclic amine 40
Isophorone diamine 30
Resins, epoxy 15
Modified amine DMP30:20
Its preparation method is:
The first step is prepared raw material according to each above-mentioned component and consumption.
The preparation of second step A component: low viscosity epoxy resin, novolac epoxy, petroleum resin, ethylene, propylene acid polymer, property-modifying additive, reactive thinner and dispersion agent are dropped into the Scattered Kettle high-speed stirring successively even, drop into anti-settling anti-sag agent and color stuffing high speed dispersion to 80 microns of fineness, disperse temperature in the kettle to keep 60 ℃, 10 minutes; Input adhesion promoter and anti-scratch etching reagent, silane coupling agent, deaerating agent are uniformly dispersed, and detect qualified rear filtration can.
The preparation of the 3rd step B component: in Scattered Kettle, drop into the modification aliphatic cyclic amine, add isophorone diamine under the low rate mixing, continue to stir after 1 hour, stop to stir, keep 20 ℃ of temperature, 24 hours; After detection amine value is qualified, after adding Resins, epoxy and promotor mix, filter can.
The 4th step was mixed in proportion spraying when using and gets final product.
Coating property test of the present invention and interpretation of result
1) safety and environmental protection: traditional paint all contains a large amount of solvents, easily dodges quick-friedly, easily sends out security incident, and solvent has very major injury to workman's health.Coating of the invention process is solvent-free product, and after testing, solids content is 100%, and without the obnoxious flavour volatilization, flash-point is the danger that detonation can not occur in accumulating or the construction process up to more than 100 ℃.Simultaneously to human body without injury, environmentally safe.
2) construction is simple: single track becomes thickness during construction, can reach 300～1000 microns together, has reduced the application number of times.
3) the smooth densification of coating: coatingsurface is smooth, and frictional coefficient is low, and surface hardness is high, can reduce the fluid conveying pressure loss.
4) the recoat repaired mouth is convenient: coating products of the present invention is rapidly dry, on-the-spot repaired mouth, easy to maintenance.
5) sticking power is high: with metallic surface dry state sticking power＞15Mpa, soak after 6 months wet adhesion＞8Mpa in seawater.
6) excellent water resistant vapour penetrating quality and resist chemical energy: solvent evaporates easily forms pin hole at paint film, and solventless coatings can be avoided the pin hole problem; The tough and tensile coating of peculiar densification has unique unidirectional long-acting hydrophobic, air-permeability function, when the aqueous vapor that guarantees steel structure surface is discharged, can stop enduringly the hazardous mediums such as extraneous moisture, gas, salt fog to the erosion hazard of coating. soda acid there is stronger tolerance.In H2SO4, HNO3, HCl and Na2CO3 environment, all can use.In the SO2 of petroleum pipe line, H2S environment, but thereby the integrity that prolonged preservation is filmed protection base material.Traditional coating, coating are corroded by acidic substance for a long time in pipeline, will soon aged deterioration, and then peel off and come off, need regular overcoating, time-consuming, have a strong impact on production.
7) anti-cathodic disbonding is good: be complementary splendid anti-cathodic disbonding performance with galvanic protection.
8) wear resistance: the surface hardness of coating can reach pencil hardness 3-5H.Than coating in the past, made revolutionary breakthrough in the coating suppleness with the sticking power of base material, the organic coating hardness that at present petroleum system is commonly used only has 1-2H, and wear resisting property can't be compared, and this is one of the reason of coating long service life just.Therefore in the complex environment of oil storing and conveying, wear-resisting and shock-resistance makes it become user's first-selection.
9) high temperature resistant: coating can be under 100 ℃ environment life-time service.The conveying of oil filed pipeline usually can rise to more than 100 ℃ because various complex environments cause local temperature, and this situation can be accelerated the aging of organic coating and polymer inner liner, even causes modification and breakdown of coating.Therefore, be more suitable for use under this environment.
10) solvent resistance: have good solvent resistance.In the high oily complex environment of oil depot and oil pipe line, can guarantee the long-term integrity protection base material of filming.
11) resistant viscosity not: filming has unique not viscosity energy.Under the high dirty environment of oil filed pipeline, can keep the unimpeded of pipeline road on the one hand, reduce the generation of hanging the wax phenomenon; Also can save on the other hand the cost of pipeline cleaning dredging, improve transport efficiency.
12) improve resistance to flow.The internally coated effect of pipe applications and advantage are: 1. improve liquidity; 2. prevent the construction period corrosion.3. help the visual inspection of inner surface of tube; 4. improve the pigging effect.Analyze, the usefulness that pipeline coating is the most basic should say the effect of its minimizing fluid flow friction resistance.When if undercoat makes surfaceness reduce 90%, pipe friction factor is reduced reach 33%, make operational throughput improve 24%.Thus, can also inference: the station spacing that 1, can prolong boosting station under the same throughput rate pressure, reduce the quantity of boosting station; Thereby 2, the PIPE DIAMETER CALCULATION value is reduced and save tubing and executive cost, reduce the pipeline comprehensive cost; But 3, Reduction of power consumption under the same caliber throughput rate.Lowering outside the friction resistance, other several outstanding roles of undercoat are also very important.It at first is the inner wall corrosion that prevents during the tube storage, after dispatching from the factory, can not use immediately by general steel pipe, often experience the exposure of several months in atmosphere during to pipe laying, according to the pertinent data introduction: new steel pipe inner wall absolute roughness is the 13-19 micron approximately, in atmosphere, expose 6 months and namely become later on the 25-32 micron, then be 38 microns later in 12 months, and namely reached later on the 45-51 micron in 24 months, but and have internally coated steel pipe standing storage and keep absolute roughness to only have the 5-8 micron.Secondly, undercoat has been avoided the pollution of the dirts such as anvil cinder in service deposition, has guaranteed that makings is pure.Moreover, by the gloss of undercoat paint film, can carry out easily the inwall visual inspection, easily in advance find defective, avoid or reduce the accident of operation in using.Also have, according to the data of foreign natural gas company, the driving pressure that undercoat device for cleaning pipeline ball pigging is arranged only is half without the undercoat pipeline, and because dirt is difficult for bonding, pigging becomes easily, and logical ball number of times reduces, so that the maintenance cost reduction.At last, preservative activity in undercoat has concurrently significantly can make steel pipe life 2-4 doubly.Benefit is economy problems.
In sum, this new coating, in the wear-resistant anti-rotten acidic moisture in oil field, concentrated water, high sulfur-bearing transfer lime, solved conventional coatings easily aging, not corrosion-resistant, coating easily comes off, hang the difficult problem that wax etc. is difficult to overcome, having a extensive future, will be the technological revolution of an anticorrosion industry in oil field.
Physical and chemical parameter of the present invention: color and outward appearance: even inclusion-free; Non-volatile matter 100%; Fineness 80 μ m; Time of drying: surface drying≤1.5 hour, do something in disregard of obstacles≤3.5 hours; Sticking power 〉=15 MPas; Snappiness 1mm; Shock strength 50cm; Anti-cathodic disbonding (180 days) 6mm; Mar-proof corrosion (180 days) 5mm; Chemical reagent-resistant performance (180 days), 5%HC, l5%NaOH, 10%HCl, aviation kerosene, distilled water, 3%NaCl (40 ℃); Anti-artificial seawater (180 days, 35 ℃) is without the foaming corrosion; Stability in storage＞1 year
Embodiment:
Embodiment 1, the present invention are made by following raw material:
A component: quality (g)
Low viscosity epoxy resin EPIKOTE827:30～40
Novolac epoxy 1～8
Petroleum resin 2～5
Ethylene, propylene acid polymer 1～3
Reactive thinner 4～10
Dispersion agent 0.5～1.5
Deaerating agent 0.2～0.8
Anti-settling anti-sag agent 0.5～1.5
Color stuffing 40～50
Adhesion promoter 0.5～1.5
Silane coupling agent 0.5～1.5
Anti-scratch etching reagent 0.3～0.5
The B component:
Modification aliphatic cyclic amine 30～50
Isophorone diamine 20～40
Resins, epoxy 5～30
Modified amine DMP30:10～30.
Embodiment 2, the present invention are made by following raw material:
A component: quality (g)
Low viscosity epoxy resin EPIKOTE827:35
Novolac epoxy 4
Petroleum resin 2.5
Ethylene, propylene acid polymer 1.5
Reactive thinner 5
Dispersion agent 0.1
Deaerating agent 0.5
Anti-settling anti-sag agent 1.0
Color stuffing 45
Adhesion promoter 1.0
Silane coupling agent 1.0
Anti-scratch etching reagent 4
The B component:
Modification aliphatic cyclic amine 40
Isophorone diamine 30
Resins, epoxy 15
Modified amine DMP30:20.
Embodiment 3, preparation method of the present invention are: the first step is prepared raw material according to each above-mentioned component and consumption; Second step prepares the A component: low viscosity epoxy resin, novolac epoxy, petroleum resin, ethylene, propylene acid polymer, property-modifying additive, reactive thinner and dispersion agent are dropped into the Scattered Kettle high-speed stirring successively even, drop into anti-settling anti-sag agent and color stuffing high speed dispersion to 80 microns of fineness, disperse temperature in the kettle to keep 60 ℃, 10 minutes; Input adhesion promoter and anti-scratch etching reagent, silane coupling agent, deaerating agent are uniformly dispersed, and detect qualified rear filtration can; The 3rd step preparation B component: in Scattered Kettle, drop into the modification aliphatic cyclic amine, add isophorone diamine under the low rate mixing, continue to stir after 1 hour, stop to stir, keep 20 ℃ of temperature, 24 hours; After detection amine value is qualified, after adding Resins, epoxy and promotor mix, filter can; The 4th step was mixed in proportion spraying when using and gets final product.
Embodiment 4, physical and chemical parameter of the present invention: color and outward appearance: even inclusion-free; Non-volatile matter 100%; Fineness 80 μ m; Time of drying: surface drying≤1.5 hour, dried≤3.5 hour of doing something in disregard of obstacles; Sticking power 〉=15 MPas; Snappiness 1mm; Shock strength 50cm; Anti-cathodic disbonding (180 days) 6mm; Mar-proof corrosion (180 days) 5mm; Chemical reagent-resistant performance (180 days), 5%HC, l5%NaOH, 10%HCl, aviation kerosene, distilled water, 3%NaCl (40 ℃); Anti-artificial seawater (180 days, 35 ℃) is without the foaming corrosion; Stability in storage＞1 year.
Claims (4)
- The two component liquid modifying epoxypaints of 1.100% solid content, it is characterized in that: it is made by following raw material,A component: quality (g)Low viscosity epoxy resin EPIKOTE827:30～40Novolac epoxy 1～8Petroleum resin 2～5Ethylene, propylene acid polymer 1～3Reactive thinner 4～10Dispersion agent 0.5～1.5Deaerating agent 0.2～0.8Anti-settling anti-sag agent 0.5～1.5Color stuffing 40～50Adhesion promoter 0.5～1.5Silane coupling agent 0.5～1.5Anti-scratch etching reagent 0.3～0.5The B component:Modification aliphatic cyclic amine 30～50Isophorone diamine 20～40Resins, epoxy 5～30Modified amine DMP30:10～30.
- 2. two component liquid modifying epoxypaints of 100% solid content according to claim 1,, it is characterized in that: it is made by following raw material:A component: quality (g)Low viscosity epoxy resin EPIKOTE827:35Novolac epoxy 4Petroleum resin 2.5Ethylene, propylene acid polymer 1.5Reactive thinner 5Dispersion agent 0.1Deaerating agent 0.5Anti-settling anti-sag agent 1.0Color stuffing 45Adhesion promoter 1.0Silane coupling agent 1.0Anti-scratch etching reagent 4The B component:Modification aliphatic cyclic amine 40Isophorone diamine 30Resins, epoxy 15Modified amine DMP30:20.
- 3. the preparation method of the two component liquid modifying epoxypaints of described 100% solid content of claim 1, it is characterized in that: the first step is prepared raw material according to each above-mentioned component and consumption; Second step prepares the A component: low viscosity epoxy resin, novolac epoxy, petroleum resin, ethylene, propylene acid polymer, property-modifying additive, reactive thinner and dispersion agent are dropped into the Scattered Kettle high-speed stirring successively even, drop into anti-settling anti-sag agent and color stuffing high speed dispersion to 80 microns of fineness, disperse temperature in the kettle to keep 60 ℃, 10 minutes; Input adhesion promoter and anti-scratch etching reagent, silane coupling agent, deaerating agent are uniformly dispersed, and detect qualified rear filtration can; The 3rd step preparation B component: in Scattered Kettle, drop into the modification aliphatic cyclic amine, add isophorone diamine under the low rate mixing, continue to stir after 1 hour, stop to stir, keep 20 ℃ of temperature, 24 hours; After detection amine value is qualified, after adding Resins, epoxy and promotor mix, filter can; The 4th step was mixed in proportion spraying when using and gets final product.
- 4. two component liquid modifying epoxypaints of 100% solid content according to claim 1,, it is characterized in that: color and outward appearance: even inclusion-free; Non-volatile matter 100%; Fineness 80 μ m; Time of drying: surface drying≤1.5 hour, dried≤3.5 hour of doing something in disregard of obstacles; Sticking power 〉=15 MPas; Snappiness 1mm; Shock strength 50cm; 180 days 6mm of anti-cathodic disbonding; 180 days 5mm of mar-proof corrosion; Chemical reagent-resistant performance 180 days, 5%HC, l5%NaOH, 10%HCl, aviation kerosene, distilled water, 3%NaCl40 ℃; Anti-artificial seawater 180 days, 35 ℃; Without the foaming corrosion; Stability in storage＞1 year.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232791A (en) * | 2013-03-29 | 2013-08-07 | 王德全 | Novolac epoxy resin anticorrosion coating and preparation method thereof |
| CN103694889A (en) * | 2013-12-16 | 2014-04-02 | 上海市涂料研究所 | High-temperature resistant anticorrosive paint for multiple substrates and preparation method thereof |
| CN106883723A (en) * | 2015-12-15 | 2017-06-23 | 中国石油天然气集团公司 | A kind of non-solvent epoxy priming paint for joint coating on pipeline and preparation method thereof |
| CN107308737A (en) * | 2017-08-11 | 2017-11-03 | 合肥达科环保科技有限公司 | A kind of processing technology of the purification assembly of indoor tea-table type air purifier |
| CN109181491A (en) * | 2018-11-12 | 2019-01-11 | 西安鸿钧睿泽新材料科技有限公司 | One kind being suitable for pipeline internal corrosion nanometer solventless coatings and preparation method thereof |
| CN109321087A (en) * | 2018-09-26 | 2019-02-12 | 厦门柏润氟材料科技有限公司 | A kind of thick coated type steel structure surface high flexibility epoxy coating |
| CN109825164A (en) * | 2019-01-24 | 2019-05-31 | 烟台优尼科新材料科技有限公司 | Solventless epoxy coating suit and its preparation method and application |
| CN113897118A (en) * | 2021-11-02 | 2022-01-07 | 烟台金桥优尼科新材料科技有限公司 | Environment-friendly ultrahigh-solid-content epoxy coating orange paint and preparation method and application thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232791A (en) * | 2013-03-29 | 2013-08-07 | 王德全 | Novolac epoxy resin anticorrosion coating and preparation method thereof |
| CN103232791B (en) * | 2013-03-29 | 2016-04-06 | 王德全 | A kind of novolac epoxy protective system and preparation method thereof |
| CN103694889A (en) * | 2013-12-16 | 2014-04-02 | 上海市涂料研究所 | High-temperature resistant anticorrosive paint for multiple substrates and preparation method thereof |
| CN103694889B (en) * | 2013-12-16 | 2016-05-11 | 上海市涂料研究所 | A kind of fire-resistant anticorrosion paint for wide variety of substrates and preparation method thereof |
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| CN109321087A (en) * | 2018-09-26 | 2019-02-12 | 厦门柏润氟材料科技有限公司 | A kind of thick coated type steel structure surface high flexibility epoxy coating |
| CN109181491A (en) * | 2018-11-12 | 2019-01-11 | 西安鸿钧睿泽新材料科技有限公司 | One kind being suitable for pipeline internal corrosion nanometer solventless coatings and preparation method thereof |
| CN109825164A (en) * | 2019-01-24 | 2019-05-31 | 烟台优尼科新材料科技有限公司 | Solventless epoxy coating suit and its preparation method and application |
| CN113897118A (en) * | 2021-11-02 | 2022-01-07 | 烟台金桥优尼科新材料科技有限公司 | Environment-friendly ultrahigh-solid-content epoxy coating orange paint and preparation method and application thereof |
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Application publication date: 20130213 |