CN103333579B - A kind of hot spray coating surface-sealing agent and application thereof - Google Patents
A kind of hot spray coating surface-sealing agent and application thereof Download PDFInfo
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- CN103333579B CN103333579B CN201310286679.0A CN201310286679A CN103333579B CN 103333579 B CN103333579 B CN 103333579B CN 201310286679 A CN201310286679 A CN 201310286679A CN 103333579 B CN103333579 B CN 103333579B
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Abstract
The present invention relates to the agent of a kind of hot spray coating surface-sealing and application thereof, this hole sealing agent is made up of two kinds of components, component one comprises fire resistant resin, adhesive aid and organic solvent, component two is nano level aluminium powder, described component one is 1 ~ 1.5:1 with the weight proportion of component two, be preferably 1.3:1, the mode of brushing or ultrasonic infiltration is adopted to be sprayed on coatingsurface after being stirred by this hole sealing agent, ambient temperature curing 10 ~ 14 hours, at 260 ± 10 DEG C, carry out regelate 0.5 ~ 1.5 hour again, the sealing of hole of coating can be completed.Adopt hole sealing agent of the present invention the hole of coatingsurface can be sealed substantially, hole sealing agent and powder particle thereof can infiltrate in the hole of coating and play filling effect, thus reduce the porosity of coating, hole sealing coating can also play shielding or slow down the osmosis of external corrosion medium to coating and matrix, thus plays effective protective effect.
Description
Technical field
The present invention relates to a kind of hole sealing agent and application thereof, particularly relate to the agent of a kind of hot spray coating surface-sealing and application thereof, belong to coating sealing material field.
Background technology
Hot spray coating adopts high-energy device, spray material is heated to molten state, with certain speed combination to workpiece surface, even if adopt vacuum or protective atmosphere spraying, can the defects such as pore be produced between the drop of also unavoidable molten state, cause coating space, pore structure is had to be favourable sometimes, coating porosity contributes to store oil, promotes lubrication, reduces wear; But in the more common scenario, the hole of coating is harmful.When coating exposes in industrial atmosphere, etchant gas and hot environment, hole introduces eroded elements, makes coating and matrix that chemistry or electrochemical etching occur, causes coating failure, in this case, must carry out sealing of hole to coating.
Generally adopt thermodiffusion remelting at present, improve the method such as spraying coating process, hole sealing agent sealing of hole to reduce the porosity of coating.But current sealing pores material, technique are for the Pore Sealing of zinc-plated sinking roller, because its use temperature is high, liquid zinc corrosion is strong, and does not successfully solve.
Summary of the invention
Technical problem to be solved by this invention is to provide the agent of a kind of hot spray coating surface-sealing and application thereof, solves deficiency of the prior art, and hole sealing agent corrosion resisting property is good, simple to operation.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: the agent of a kind of hot spray coating surface-sealing, be made up of two kinds of components, component one comprises fire resistant resin, adhesive aid and organic solvent, and component two is nano level aluminium powder, and described component one is 1 ~ 1.5:1 with the weight proportion of component two.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described fire resistant resin is resol or epoxy resin, and described adhesive aid is silicone oil, silicon rubber, silicone resin or silane coupling agent, and described organic solvent is ethylene glycol ether.
Further, in described component one, the weight proportion 45:30:25 of fire resistant resin, adhesive aid and organic solvent.
Further, described component one is 1.3:1 with the weight proportion of component two.
Another technical scheme that the present invention solves the problems of the technologies described above is as follows: the application of a kind of hot spray coating surface-sealing agent, it is characterized in that, the mode of brushing or ultrasonic infiltration is adopted to be sprayed on coatingsurface after being stirred by described hole sealing agent, ambient temperature curing 10 ~ 14 hours, regelate is carried out 0.5 ~ 1.5 hour again, the complete sealing of hole that can become coating at 260 ± 10 DEG C.
Adopt and the invention has the beneficial effects as follows that the hole of coatingsurface can seal by employing hole sealing agent of the present invention substantially, hole sealing agent and powder particle thereof can infiltrate in the hole of coating and play filling effect, thus reduce the porosity of coating, hole sealing coating can also play shielding or slow down the osmosis of external corrosion medium to coating and matrix, thus plays effective protective effect.
Relatively conventional hole sealing agent, this hole sealing agent has some advantage following:
1) adhesive glue adopted is inorganic high-temp glue, can bear the high temperature of 1500 DEG C and not produce decomposition;
2) fill gaps powder is nano-scale particle, fully can fill, infiltrate in the space of coating;
3) operation requires simple, is mixed in proportion, is brushed to coatingsurface, solidification treatment after two components stir respectively;
4) hole sealing agent corrosion resisting property is good, can resist the corrosion of similar galvanization production line zinc-aluminium solution.
Embodiment
Be described principle of the present invention and feature below, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
Resol, silicone oil, ethylene glycol ether are mixed according to weight ratio 45:30:25, mixing according to weight ratio 1.3:1 with nano level aluminium powder, be painted on coatingsurface again, through ambient cure in 12 hours, then carry out 1 hour regelate of 260 degrees Celsius, make the particulate in hole sealing agent penetrate sufficiently in the space of coating, coating can use by normal process afterwards, after testing, coating through 48 hours of corrosion in the strong corrosive environments such as zinc liquid, the inefficacy such as crackle do not appear in coating, come off.
Embodiment 2
Resol, silicon rubber, ethylene glycol ether are mixed according to weight ratio 45:30:25, mixing according to weight ratio 1:1 with nano level aluminium powder, be painted on coatingsurface again, through ambient cure in 10 hours, carry out 0.5 hour regelate of 250 degrees Celsius again, the particulate in hole sealing agent is made to penetrate sufficiently in the space of coating, coating can use by normal process afterwards, after testing, coating through 48 hours of corrosion in the strong corrosive environments such as zinc liquid, the inefficacy such as crackle do not appear in coating, come off.
Embodiment 3
Epoxy resin, silicone resin, ethylene glycol ether are mixed according to weight ratio 45:30:25, mixing according to weight ratio 1.5:1 with nano level aluminium powder, be painted on coatingsurface again, through ambient cure in 14 hours, carry out 1.5 hours regelates of 270 degrees Celsius again, the particulate in hole sealing agent is made to penetrate sufficiently in the space of coating, coating can use by normal process afterwards, after testing, coating through 48 hours of corrosion in the strong corrosive environments such as zinc liquid, the inefficacy such as crackle do not appear in coating, come off.
Embodiment 4
Epoxy resin, silane coupling agent, ethylene glycol ether are mixed according to weight ratio 45:30:25, mixing according to weight ratio 1.3:1 with nano level aluminium powder, be painted on coatingsurface again, through ambient cure in 12 hours, carry out 1 hour regelate of 260 degrees Celsius again, the particulate in hole sealing agent is made to penetrate sufficiently in the space of coating, coating can use by normal process afterwards, after testing, coating through 48 hours of corrosion in the strong corrosive environments such as zinc liquid, the inefficacy such as crackle do not appear in coating, come off.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the agent of hot spray coating surface-sealing, is characterized in that, prepares by the following method:
Resol, silicone oil, ethylene glycol ether are mixed according to weight ratio 45:30:25, mix according to weight ratio 1.3:1 with nano level aluminium powder again, be painted on coatingsurface again, through ambient cure in 12 hours, carry out 1 hour regelate of 260 degrees Celsius again, make the particulate in hole sealing agent penetrate sufficiently in the space of coating, coating uses by normal process afterwards.
2. the agent of hot spray coating surface-sealing, is characterized in that, prepares by the following method:
Resol, silicon rubber, ethylene glycol ether are mixed according to weight ratio 45:30:25, mix according to weight ratio 1:1 with nano level aluminium powder again, be painted on coatingsurface again, through ambient cure in 10 hours, carry out 0.5 hour regelate of 250 degrees Celsius again, make the particulate in hole sealing agent penetrate sufficiently in the space of coating, coating uses by normal process afterwards.
3. the agent of hot spray coating surface-sealing, is characterized in that, prepares by the following method:
Epoxy resin, silicone resin, ethylene glycol ether are mixed according to weight ratio 45:30:25, mix according to weight ratio 1.5:1 with nano level aluminium powder again, be painted on coatingsurface again, through ambient cure in 14 hours, carry out 1.5 hours regelates of 270 degrees Celsius again, make the particulate in hole sealing agent penetrate sufficiently in the space of coating, coating uses by normal process afterwards.
4. the agent of hot spray coating surface-sealing, is characterized in that, prepares by the following method:
Epoxy resin, silane coupling agent, ethylene glycol ether are mixed according to weight ratio 45:30:25, mix according to weight ratio 1.3:1 with nano level aluminium powder again, be painted on coatingsurface again, through ambient cure in 12 hours, carry out 1 hour regelate of 260 degrees Celsius again, make the particulate in hole sealing agent penetrate sufficiently in the space of coating, coating uses by normal process afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310286679.0A CN103333579B (en) | 2013-07-09 | 2013-07-09 | A kind of hot spray coating surface-sealing agent and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310286679.0A CN103333579B (en) | 2013-07-09 | 2013-07-09 | A kind of hot spray coating surface-sealing agent and application thereof |
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| CN103333579A CN103333579A (en) | 2013-10-02 |
| CN103333579B true CN103333579B (en) | 2016-03-30 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451822A (en) * | 2014-11-19 | 2015-03-25 | 东莞市日野化工科技有限公司 | A kind of sealing agent and preparation method thereof |
| CN104804614A (en) * | 2015-04-22 | 2015-07-29 | 苏州统明机械有限公司 | Corrosion resistant thermal spraying hole sealing agent and application method thereof |
| CN104789086A (en) * | 2015-04-22 | 2015-07-22 | 苏州统明机械有限公司 | High-temperature-resistant thermal spraying hole sealing agent and application method thereof |
| CN107794488A (en) * | 2016-08-29 | 2018-03-13 | 中国科学院金属研究所 | A kind of hole sealing agent and hole-sealing technology for improving supersonic flame spraying iron base amorphous coating prolonged erosion |
| CN109971324B (en) * | 2019-03-19 | 2021-08-03 | 惠州市瑞翔丰科技有限公司 | High-temperature-resistant hole sealing agent and hole sealing method |
| CN112194960A (en) * | 2020-10-09 | 2021-01-08 | 河海大学常州校区 | Abrasion-resistant iron-based amorphous coating hole sealing agent, preparation method, hole sealing method and hole sealing device |
| CN116411236B (en) * | 2020-12-02 | 2024-11-01 | 苏州热工研究院有限公司 | Preparation method of thermal spraying coating hole sealing agent |
| CN115452708A (en) * | 2022-09-23 | 2022-12-09 | 西安交通大学 | Porous coating bonding strength testing method for reducing influence of binder |
Citations (4)
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| EP0990681A2 (en) * | 1998-09-30 | 2000-04-05 | Morton International, Inc. | Coating powder for high temperature resistant coatings |
| CN101962768A (en) * | 2010-09-18 | 2011-02-02 | 黄锦 | Technology for preparing metal surface coating through compounding multiple processes |
| CN102618167A (en) * | 2012-04-17 | 2012-08-01 | 山东大学 | Thermal impact and alkali steam corrosion resistant flexible sealant and use method thereof |
| CN102703892A (en) * | 2012-01-14 | 2012-10-03 | 哈尔滨工程大学 | Microarc-oxidized coating silylation fluid and hole sealing method thereby |
-
2013
- 2013-07-09 CN CN201310286679.0A patent/CN103333579B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0990681A2 (en) * | 1998-09-30 | 2000-04-05 | Morton International, Inc. | Coating powder for high temperature resistant coatings |
| CN101962768A (en) * | 2010-09-18 | 2011-02-02 | 黄锦 | Technology for preparing metal surface coating through compounding multiple processes |
| CN102703892A (en) * | 2012-01-14 | 2012-10-03 | 哈尔滨工程大学 | Microarc-oxidized coating silylation fluid and hole sealing method thereby |
| CN102618167A (en) * | 2012-04-17 | 2012-08-01 | 山东大学 | Thermal impact and alkali steam corrosion resistant flexible sealant and use method thereof |
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Inventor after: Sun Jinggang Inventor after: Chen Dianshuang Inventor before: Sun Jinggang Inventor before: Chen Dianshuang Inventor before: Dong Anwei |
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