CN102873949A - Manufacturing method of antiseptic flame-retarding static conductive composite coating for storage tank - Google Patents
Manufacturing method of antiseptic flame-retarding static conductive composite coating for storage tank Download PDFInfo
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- CN102873949A CN102873949A CN2012104120338A CN201210412033A CN102873949A CN 102873949 A CN102873949 A CN 102873949A CN 2012104120338 A CN2012104120338 A CN 2012104120338A CN 201210412033 A CN201210412033 A CN 201210412033A CN 102873949 A CN102873949 A CN 102873949A
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- 238000000576 coating method Methods 0.000 title claims abstract description 72
- 238000003860 storage Methods 0.000 title claims abstract description 49
- 239000011248 coating agent Substances 0.000 title claims abstract description 47
- 230000003068 static effect Effects 0.000 title claims abstract description 33
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 230000002421 anti-septic effect Effects 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 239000003822 epoxy resin Substances 0.000 claims abstract description 15
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 15
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 14
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001291 vacuum drying Methods 0.000 claims abstract description 10
- WQYSXVGEZYESBR-UHFFFAOYSA-N thiophosphoryl chloride Chemical compound ClP(Cl)(Cl)=S WQYSXVGEZYESBR-UHFFFAOYSA-N 0.000 claims abstract description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 6
- 239000011593 sulfur Substances 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 4
- 239000003063 flame retardant Substances 0.000 claims description 33
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000009503 electrostatic coating Methods 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 230000003750 conditioning effect Effects 0.000 claims description 8
- 230000003292 diminished effect Effects 0.000 claims description 5
- 241000370738 Chlorion Species 0.000 claims description 4
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 3
- 239000006210 lotion Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 238000004781 supercooling Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 15
- 230000007797 corrosion Effects 0.000 abstract description 14
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000005457 ice water Substances 0.000 abstract description 3
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 abstract 1
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 13
- 230000007613 environmental effect Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003487 anti-permeability effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical group 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- -1 hydrogen halides Chemical class 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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Abstract
The invention relates to a manufacturing method of antiseptic flame-retarding static conductive composite coating for a storage tank, belonging to the technical field of composite coatings. The antiseptic flame-retarding static conductive composite coating is arranged on the surface of a bottom plate of the storage tank and comprises a solvent-free epoxy resin coating, an expansive type anti-flaming coating and a static conductive coating in sequence from the inside out, wherein the expansive type anti-flaming layer contains sulfur; and the preparation process comprises the steps of: (1) carrying out reaction on thiophosphoryl chloride and dipentaerythritol at the temperature of 80-120 DEG C for 12-24h, cooling, filtering and washing, and carrying out vacuum drying on the filtration product; and (2) carrying out reaction on the obtained product and water at the temperature of 80-100 DEG C for 0.5-1.5h, dripping an alkaline pH regulator, adding melamine to react at the temperature of 80-100 DEG C for 40-80 min, washing by ice water after the reaction and carrying out vacuum drying to obtain powdery faint yellow solids. The manufacturing method has the advantages of being simple in structure, stable and reliable in process, high in corrosion resistance, impervious performance and anti-flaming performance of product, and free of environmental pollution, being static conductive and the like.
Description
Technical field
The invention belongs to the composite coating technology field, particularly relate to a kind of antiseptic fire-retardation for storage tank and lead the manufacture method of static composite coating.
Background technology
At present, storage tank is requisite facility in oil storage, the transportation, the corrosivity of the oil product medium itself of storage and little in the tank, but in storing for a long time, transporting, moisture in the oil product can be deposited in tank bottom gradually, contains a large amount of CO in these water
2, H
2The materials such as S, chloride and organic acid, these material corrosivity are very strong, easily cause corrosion failure.At present tank bottom adopt with the epoxy static conducting coating as conduction matter such as graphite powder, conductive black, metal oxide, use a period of time after, the easy corrosion of storage tank bottom plate and perforation are found in investigation, and the phenomenon of boring a hole is general.In case storage tank corrosion perforation leakage of oil not only can affect the normal operation of production, causes huge economic loss, and environment is also caused certain pollution.In addition, oil is wildfire matter, therefore the anti-flammability of storage tank also receives increasing concern, former storage tank or do not use flame retardant coating, or the flame retardant coating that uses mostly is halogen-containing fire retardant, although flame retardant effect is better, there is in use thickness, discharges the shortcomings such as poisonous and corrosive hydrogen halides gas, hiding the technical problems such as secondary harm.
Summary of the invention
The present invention provides a kind of antiseptic fire-retardation for storage tank to lead the manufacture method of static composite coating for solving the technical problem that exists in the known technology.
The purpose of this invention is to provide a kind of storage tank antiseptic fire-retardation and lead the static composite coating, guarantee storage tank not corrosion perforation and leakage of oil, and make storage tank have good fire resistance, have surrounding environment pollution-freely, guarantee that the antiseptic fire-retardation that is used for storage tank of the characteristics such as petroleum storage and Transport Safety is led the manufacture method of static composite coating.
Storage tank antiseptic fire-retardation of the present invention is led the static composite coating, include storage tank bottom plate, solvent-free epoxy resin coating, environmental friendliness expansion type flame-retardant coatings and lead electrostatic coating and consist of, described storage tank bottom plate is identical with the storage tank bottom plate material of prior art, is steel material.Storage tank bottom plate is provided with the solvent-free epoxy resin coating through after the grinding process, is provided with the environmental friendliness expansion type flame-retardant coatings on the surface of solvent-free epoxy resin coating, is provided with on the surface of environmental friendliness expansion type flame-retardant coatings and leads electrostatic coating.
The antiseptic fire-retardation that the present invention is used for storage tank is led the technical scheme that the manufacture method of static composite coating takes:
A kind of antiseptic fire-retardation for storage tank is led the manufacture method of static composite coating, be characterized in: the storage tank bottom plate surface is provided with antiseptic fire-retardation and leads the static composite coating, is followed successively by from inside to outside solvent-free epoxy resin coating, expansion type flame-retardant coatings, leads electrostatic coating; Wherein, expansion type flame-retardant coatings is the sulfur-bearing expansion type flame-retardant coatings, and take bipentaerythrite, melamine and phosphorus thiochloride as raw material, preparation process may further comprise the steps:
(1) be that phosphorus thiochloride and the bipentaerythrite of 5.1-5.5:1 reacted 12-24 hour under 80-120 ° of C with mass ratio, after reaction finishes, behind supercooling, filtration under diminished pressure, with washing lotion washing three times, with filtration product vacuum drying 6-12 hour;
(2) step (1) products therefrom and water were reacted 0.5-1 hour under 80-100 ℃, then drip alkaline pH value conditioning agent, time for adding is 60-100 minute, be added dropwise to complete rear continuation reaction 60 minutes, add melamine, reaction temperature is 80-100 ℃, reaction time is 40-80 minute, after reaction finishes, remove chlorion with the frozen water washing, the filtration product vacuum drying is got Powdered faint yellow solid.
The manufacture method that the present invention leads the static composite coating for the antiseptic fire-retardation of storage tank can also adopt following technical measures:
Described antiseptic fire-retardation for storage tank is led the manufacture method of static composite coating, is characterized in: pH value conditioning agent is NaOH or propylamine, and dripping quantity is that the mol ratio of step ⑴ products therefrom and pH value conditioning agent is 1:2-2.5.The adjustable range of pH value is 6-7, is below or above this scope productive rate is descended.
Described antiseptic fire-retardation for storage tank is led the manufacture method of static composite coating, is characterized in: the addition of melamine is that the mol ratio of step ⑴ products therefrom and melamine is 1:2.
Described antiseptic fire-retardation for storage tank is led the manufacture method of static composite coating, is characterized in: the solvent-free epoxy resin coating layer thickness is 30-35 μ m, and expansion type flame-retardant coatings thickness is 15-25 μ m, and the thickness of leading electrostatic coating is 15-20 μ m.
Advantage and good effect that the present invention has are:
The antiseptic fire-retardation that is used for storage tank is led the manufacture method of static composite coating owing to having adopted the brand-new technical scheme of the present invention, and compared with prior art, the synthetic environment in the processing step of the present invention is the aqueous solution, need not to use flammable solvent and nitrogen protection.The synthetic environmental friendliness expansion type flame-retardant coatings that obtains of this technique, i.e. sulfur-bearing (S) expansion type flame-retardant coatings, fire resistance is high, belongs to Halogen, low cigarette, efficient environmental-protection flame-retardant coating.
Overall structure of the present invention is simple, and the solvent-free epoxy resin coating has high corrosion-resistant and anti-permeability performance as anti-corrosion insulating layer, plays the corrosion-resistant purpose, and can thoroughly isolate and lead electrostatic coating and storage tank bottom plate metal formation galvanic corrosion; The environmental friendliness expansion type flame-retardant coatings can play the purpose of highly effective flame-retardant, and pollution-free to surrounding environment in fire-retardant; The particular path of leading electrostatic coating can realize leading the purpose of static.Owing to being easy to when pin hole appears in surface of insulating layer detect, can realize the coating free of pinholes fully technically, stopped the problem of corrosion passage and galvanic corrosion.The prepared antiseptic fire-retardation of the present invention is led the static composite coating, has good anticorrosion and fire resistance, and is pollution-free to surrounding environment, and realizes leading the purpose of static.
Description of drawings
Fig. 1 is the manufacture method frame structure schematic diagram of leading the static composite coating for the antiseptic fire-retardation of storage tank.
Among Fig. 1,1-storage tank bottom plate, 2-solvent-free epoxy resin coating, 3-expansion type flame-retardant coatings, 4-lead electrostatic coating.
The specific embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
A kind of antiseptic fire-retardation for storage tank is led the manufacture method of static composite coating, it is characterized in that: the storage tank bottom plate surface is provided with antiseptic fire-retardation and leads the static composite coating, is followed successively by from inside to outside solvent-free epoxy resin coating, expansion type flame-retardant coatings, leads electrostatic coating; Wherein, expansion type flame-retardant coatings is the sulfur-bearing expansion type flame-retardant coatings, and take bipentaerythrite, melamine and phosphorus thiochloride as raw material, preparation process may further comprise the steps:
(1) be that the phosphorus thiochloride of 5.1-5.5:1 and bipentaerythrite are 80-120 ℃ of lower reaction 12-24 hour, after reaction finishes, behind supercooling, filtration under diminished pressure, with washing lotion washing three times, with filtration product vacuum drying 6-12 hour with mass ratio;
(2) step (1) products therefrom and water were reacted 0.5 hour under 80-100 ℃, then drip alkaline pH value conditioning agent NaOH, transfer pH value 6-7, dripping quantity is that the mol ratio of step ⑴ products therefrom and pH value conditioning agent is 1:2-2.5; Time for adding is 60-100 minute, is added dropwise to complete rear continuation reaction 60 minutes, adds melamine, and the addition of melamine is that the mol ratio of step ⑴ products therefrom and melamine is 1:2; Reaction temperature is 80-100 ° of C, and the reaction time is 40-80 minute, after reaction finishes, removes chlorion with the frozen water washing, and the filtration product vacuum drying is got Powdered faint yellow solid.
The solvent-free epoxy resin coating layer thickness is 30-35 μ m, and expansion type flame-retardant coatings thickness is 15-25 μ m, and the thickness of leading electrostatic coating is 15-20 μ m.
The concrete manufacturing process of the present embodiment is described and is described as follows:
The storage tank antiseptic fire-retardation is led the static composite coating, includes storage tank bottom plate 1, solvent-free epoxy resin coating 2, environmental friendliness expansion type flame-retardant coatings 3, leads electrostatic coating 4 formations.Described storage tank bottom plate 1 is identical with the storage tank bottom plate material of prior art, is steel material; Described solvent-free epoxy resin coating 2 is arranged on the tank bottom 1, has high corrosion-resistant and anti-permeability performance, plays the corrosion-resistant purpose, and can thoroughly isolate and lead electrostatic coating and storage tank bottom plate metal formation galvanic corrosion; Described environmental friendliness expansion type flame-retardant coatings 3 is arranged on the solvent-free epoxy resin coating 2, can play the purpose of highly effective flame-retardant, and pollution-free to surrounding environment in fire-retardant; The described electrostatic coating 4 of leading is arranged on the environmental friendliness expansion type flame-retardant coatings 3, and the particular path of leading electrostatic coating 4 can realize leading the purpose of static.
Described environmental friendliness expansion type flame-retardant coatings, i.e. sulfur-bearing (S) expansion type flame-retardant coatings, implementation process is as follows:
Add bipentaerythrite 78g and phosphorus thiochloride 250mL in the 500mL there-necked flask, the mechanical agitator vigorous stirring is used in the oil bath that places 100 ° of C, reacts 24 hours, with the hydrogen chloride gas that produces in the NaOH aqueous solution absorption reaction.After reaction finishes, with ice-water bath cooling, filtration under diminished pressure, with the carbon tetrachloride washing, will leach at room temperature (20 ° of C) vacuum drying of thing 6 hours, obtain solid product (productive rate 78%).Go solid product to be dissolved in the there-necked flask of 500mL water, place the water-bath of 90 ° of C, then stirring reaction 0.5 hour drips 2mol/L NaOH aqueous solution 200ml, and time for adding 2 hours is added dropwise to complete and continues reaction 30 minutes.The melamine that then adds 50.4g reacted 2 hours.After reaction finishes, with ice-water bath cooling, filtration under diminished pressure, wash to the filtrate without till the chlorion with the ice deionized water.Filtration product vacuum drying in 60 ° of C was obtained end-product (productive rate 94%) in 8 hours.
The present embodiment is guaranteed storage tank not corrosion perforation and leakage of oil, and makes storage tank have good fire resistance, and is pollution-free to surrounding environment, guarantees petroleum storage and Transport Safety, has described good effect.
Claims (4)
1. an antiseptic fire-retardation that is used for storage tank is led the manufacture method of static composite coating, it is characterized in that: the storage tank bottom plate surface is provided with antiseptic fire-retardation and leads the static composite coating, is followed successively by from inside to outside solvent-free epoxy resin coating, expansion type flame-retardant coatings, leads electrostatic coating; Wherein, expansion type flame-retardant coatings is the sulfur-bearing expansion type flame-retardant coatings, and take bipentaerythrite, melamine and phosphorus thiochloride as raw material, preparation process may further comprise the steps:
(1) be that phosphorus thiochloride and the bipentaerythrite of 5.1-5.5:1 reacted 12-24 hour under 80-120 ° of C with mass ratio, after reaction finishes, behind supercooling, filtration under diminished pressure, with washing lotion washing three times, with filtration product vacuum drying 6-12 hour;
(2) step (1) products therefrom and water were reacted 0.5-1 hour under 80-100 ° of C, then drip alkaline pH value conditioning agent, time for adding is 60-100 minute, be added dropwise to complete rear continuation reaction 60 minutes, add melamine, reaction temperature is 80-100 ° of C, reaction time is 40-80 minute, after reaction finishes, remove chlorion with the frozen water washing, the filtration product vacuum drying is got Powdered faint yellow solid.
2. the antiseptic fire-retardation for storage tank according to claim 1 is led the manufacture method of static composite coating, it is characterized in that:
PH value conditioning agent is NaOH or propylamine, and dripping quantity is that the mol ratio of step ⑴ products therefrom and pH value conditioning agent is 1:2-2.5.
3. the antiseptic fire-retardation for storage tank according to claim 1 is led the manufacture method of static composite coating, it is characterized in that:
The addition of melamine is that the mol ratio of step ⑴ products therefrom and melamine is 1:2.
4. according to claim 1,2,3 or 4 described antiseptic fire-retardations for storage tank are led the manufacture method of static composite coating, it is characterized in that: the solvent-free epoxy resin coating layer thickness is 30-35 μ m, expansion type flame-retardant coatings thickness is 15-25 μ m, and the thickness of leading electrostatic coating is 15-20 μ m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210412033.8A CN102873949B (en) | 2012-10-24 | 2012-10-24 | Manufacturing method of antiseptic flame-retarding static conductive composite coating for storage tank |
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| CN201210412033.8A CN102873949B (en) | 2012-10-24 | 2012-10-24 | Manufacturing method of antiseptic flame-retarding static conductive composite coating for storage tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738844A (en) * | 2017-10-11 | 2018-02-27 | 沈阳拓界材料科技有限公司 | A kind of steel storage tank |
| US20220340357A1 (en) * | 2018-09-05 | 2022-10-27 | Christos Haritou | Wall Structure Monitoring System |
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| CN1152012A (en) * | 1995-12-15 | 1997-06-18 | 中国人民解放军海军后勤技术装备研究所 | Fire-retardant, electrostatic-conducting, heat-resisting and anticorrosive paint |
| JP2004168829A (en) * | 2002-11-18 | 2004-06-17 | Yaskawa Electric Corp | Epoxy resin composition and vacuum equipment using the same |
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| CN101974167A (en) * | 2010-10-22 | 2011-02-16 | 天津工业大学 | Intumescent flame retardant and synthesis method thereof |
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| CN1152012A (en) * | 1995-12-15 | 1997-06-18 | 中国人民解放军海军后勤技术装备研究所 | Fire-retardant, electrostatic-conducting, heat-resisting and anticorrosive paint |
| JP2004168829A (en) * | 2002-11-18 | 2004-06-17 | Yaskawa Electric Corp | Epoxy resin composition and vacuum equipment using the same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107738844A (en) * | 2017-10-11 | 2018-02-27 | 沈阳拓界材料科技有限公司 | A kind of steel storage tank |
| US20220340357A1 (en) * | 2018-09-05 | 2022-10-27 | Christos Haritou | Wall Structure Monitoring System |
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| CN102873949B (en) | 2015-02-04 |
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