CN101649131A - Composite nano-coating, preparation method and application thereof - Google Patents
Composite nano-coating, preparation method and application thereof Download PDFInfo
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- CN101649131A CN101649131A CN200810030273A CN200810030273A CN101649131A CN 101649131 A CN101649131 A CN 101649131A CN 200810030273 A CN200810030273 A CN 200810030273A CN 200810030273 A CN200810030273 A CN 200810030273A CN 101649131 A CN101649131 A CN 101649131A
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Abstract
The invention discloses a composite nano-coating, a preparation method and application thereof. The composite nano-coating comprises the following compositions in mass ratio: 22.5 to 49.5 percent of silica gel, 45 to 74.25 percent of organic solvent, and 1 to 10 percent of nanometer powder. The method for preparing the composite nano-coating comprises the following steps: (1) preparing nanometer silica gel by a sol-gel method; (2) mixing the nanometer silica gel with the organic solvent to obtain a nanometer silica solution; and (3) adding the nanometer powder into the nanometer silica solution prepared by the step (2), and evenly mixing the mixture. The composite nano-coating has high viscosity and strong adsorbability, and a protective film formed by the composite nano-coating has high compactness, high hardness and good corrosion resistance.
Description
Technical field
The present invention relates to a kind of coating, particularly a kind of composite nano-coating, Preparation Method And The Use.
Background technology
Many Industrial products materials, as polycarbonate (polycarbonate, abbreviation PC), sex change polyphenylene oxide (mo dified-polyphenylene oxide, be called for short m-PPO) etc. non-type (no crystallinity) plastic material, when touching pharmaceutical chemicalss such as organic alcohols, organic ketone, acid, alkali, oils, all can produce chemical reaction and corrode and damage.Be the product of protecting these materials to make, people often cover layer protecting film with coating at product surface.The TaiWan, China patent announcement has disclosed a kind of coating that forms protective membrane No. 562790; this coating only is mixed and made into by nano silicon and Virahol; the protective membrane of its formation can play the certain protection effect to product; the protective membrane erosion resistance that is this coating formation is strong inadequately, can not well protect product.
Summary of the invention
The objective of the invention is at above-mentioned the deficiencies in the prior art, a kind of composite nano-coating of erosion resistance of the protective membrane that improves its formation is provided, and the preparation method and the purposes of this coating are provided.
For achieving the above object, to contain mass ratio be 22.5～49.5% silica dioxide gel, 45～74.25% organic solvent and 1～10% nanometer powder to composite nano-coating provided by the present invention.
The preparation method of above-mentioned composite nano-coating provided by the present invention comprises the steps:
(1) prepares the nano silicon gel with sol-gel method;
(2) the nano silicon gel is mixed with organic solvent, obtain nano silicon solution;
(3) nanometer powder is added in the nano silicon solution that step (2) makes and stir.
A kind of product comprises housing, is coated with on this housing by containing the formed protective membrane of composite nano-coating that mass ratio is the nanometer powder of 22.5～49.5% silica dioxide gel, 45～74.25% organic solvent and 1～10%.
As mentioned above; composite nano-coating of the present invention because of contain nano silicon gel viscosity height, adsorptive power is strong; because of containing protective membrane compactness height, hardness height, the good corrosion resistance that nanometer powder can make this composite nano-coating coat to form on the surface of shell of product; thereby can protect product better, and the preparation method of this composite nano-coating is simple.
Embodiment
By describing technology contents of the present invention in detail, being realized purpose and effect, below know clearly and give explanation.
It is 22.5～49.5% silica dioxide gel, 45～74.25% organic solvent and 1～10% nanometer powder that the present invention's composite nano-coating contains mass ratio.Wherein, organic solvent can be one or both in Virahol and the ethanol, the particle diameter of nanometer powder is 5～100nm, nanometer powder can be the miscellany of nano metal oxide powder or nano metal powder or nano metal oxide powder and nano metal powder, wherein, nano metal oxide powder can be the nano-aluminium oxide powder, the nano-silica powder end, nano titanium dioxide powder, the nano ferriferrous oxide powder, the nanometer ferric oxide powder, nano oxidized copper powder, nano oxidized silver powder, nano oxidized cobalt dust, nano oxidized magnesium dust, the nano zine oxide powder, nano oxidized calcium powder, in nano-manganese dioxide powder or the nano zirconium dioxide powder either one or several, nano metal powder can be the copper nanoparticle end, the nanometer silver powder, the nanometer gold powder, nanometer platinum powder end, the nanometer iron powder end, in nano-cobalt powder end or the nano-nickel powder end either one or several.
The preparation method of the present invention's composite nano-coating comprises the steps:
(1) prepares the nano silicon gel with sol-gel method;
(2) the nano silicon gel is mixed with organic solvent, the mass ratio of nano silicon gel and organic solvent can be 1: 1～1: 3, how to obtain the rice silicon dioxde solution;
(3) be that the nanometer powder of 5～100nm adds in the nano silicon solution that step (2) makes by 1～10% mass ratio and stirs with particle diameter, thereby make composite nano-coating.
The nanometer powder that is used for preparing above-mentioned composite nano-coating can have been puddled the interface promoting agent, handle with surface nanometer powder, the interface promoting agent can be sodium laurylsulfonate (Sodium dodecyl sulfate, be called for short SDS) and Polyvinylpyrolidone (PVP) (poly (vinyl pyrrolidone), abbreviation PVP) one or both in, wherein, the mass ratio of the addition of interface promoting agent and nanometer powder is 1～3%.
Handle through the interface promoting agent on the surface of nanometer powder; can improve nanometer powder intensity, increase its contact area; thereby can improve the cementability of this composite nano-coating; help this composite nano-coating to the wetting of product and penetrating, form the protective membrane that a cementability is good, adsorptivity is strong, compactness is high at product surface easily.
The nano silicon gel that is used to prepare above-mentioned composite nano-coating can improve the cementability and the adsorptivity of this composite nano-coating; Nanometer powder can improve protection film strength and the hardness that is formed by this composite nano-coating coating.
Above-mentioned composite nano-coating utilizes the advantage on the nano material yardstick; the lip-deep big or small defective of product fill better; and form a continuous and uniform protective membrane; it is that raw-material product and extraneous pharmaceutical chemicals produce reaction that this protective membrane can be avoided with plastics, resists pharmaceutical chemicals corrosive ability thereby effectively promote product.
When composite nano-coating of the present invention is used, can form a protective membrane at the housing of product, its film is as follows:
Step 1 is coated composite nano-coating in the mode of spraying, immersion or wiping the surface of shell of product to be protected equably;
Step 2; place the product that is coated with composite nano-coating under the room temperature environment or to be lower than 170 ℃ heating environment down dry; thereby the composite nano-coating of coating the surface of shell of product forms a successional protective membrane, and Heating temperature wherein can be adjusted according to the ability to bear of product material.
Below exemplify the product that adopts urethane (polyurethane is called for short PU) plastics, to further specify the effect of the protective membrane that above-mentioned composite nano-coating forms.
To contain composite nano-coating that 2% particle diameter is about the nano-silica powder end of 20nm and evenly coat product surface to be protected with the urethane plastic preparation; and place this product under the room temperature environment or be lower than under 170 ℃ the heating environment; so that be coated on composite nano-coating drying on the product surface, thereby form the about 50 microns protective membrane of a thickness on the surface of product.
The product and the uncoated product that protective membrane arranged that are coated with protective membrane are carried out the erosion resistance test.To be coated with the product of protective membrane and the uncoated product that protective membrane arranged respectively at soaking 12 hours in the acetone soln of 100% concentration; so that it is carried out the test of anti-acetone; test result shows: uncoated have the product of protective membrane obviously to be subjected to the corrosion of acetone and to have a strong impact on outward appearance, and the outward appearance that is coated with the product of protective membrane only is subjected to slight damage.The test result of NaOH solution after 12 hours that table one is soaked in acetone, 95# white gasoline, machine oil and 6Mol/L for the product that is coated with protective membrane and the uncoated product that protective membrane arranged.
The various pharmaceutical chemicals test back result of table one
By the test result of last table as can be known, the erosion resistance that is coated with the product of protective membrane obviously improves.
As mentioned above; composite nano-coating of the present invention because of contain nano silicon gel viscosity height, adsorptive power is strong; because of containing protective membrane compactness height, hardness height, the good corrosion resistance that nanometer powder can make this composite nano-coating coat to form on the product surface; thereby can protect product better, and the preparation method of this composite nano-coating is simple.
In sum, the present invention's it " composite nano-coating, Preparation Method And The Use " can reach described effect by the method and the structure of above-mentioned exposure, and application of the present invention conforms with the important document of patent, so file an application in accordance with the law.Yet the above revealer of institute only is preferred embodiment of the present invention, from not limiting interest field of the present invention with this.As for the modification or the variation of other equivalence of the present invention, all should be encompassed in the claim scope of the present invention.It is on the product of material that the purposes of the present invention's composite nano-coating is not limited to plastics, suitable too for the product of other material.
Claims (12)
1. composite nano-coating is characterized in that: contain mass ratio and be 22.5～49.5% silica dioxide gel, 45～74.25% organic solvent and 1～10% nanometer powder.
2. composite nano-coating according to claim 1 is characterized in that: described nanometer powder is either one or several in nano-aluminium oxide powder, nano-silica powder end, nano titanium dioxide powder, nano ferriferrous oxide powder, nanometer ferric oxide powder, nano oxidized copper powder, nano oxidized silver powder, nano oxidized cobalt dust, nano oxidized magnesium dust, nano zine oxide powder, nano oxidized calcium powder, nano-manganese dioxide powder or the nano zirconium dioxide powder.
3. composite nano-coating according to claim 1 is characterized in that: described nanometer powder is either one or several in copper nanoparticle end, nanometer silver powder, nanometer gold powder, nanometer platinum powder end, nanometer iron powder end, nano-cobalt powder end or the nano-nickel powder end.
4. composite nano-coating according to claim 1 is characterized in that: described nanometer powder is the miscellany of nano metal oxide powder and nano metal powder.
5. composite nano-coating according to claim 1 is characterized in that: described nanometer powder is handled by the interface promoting agent.
6. composite nano-coating according to claim 1 is characterized in that: described organic solvent is one or both in Virahol and the ethanol.
7. composite nano-coating according to claim 1 is characterized in that: the particle diameter of described nanometer powder is 5～100nm.
8. the preparation method of composite nano-coating according to claim 1 comprises the steps:
(1) prepares described nano silicon gel with sol-gel method;
(2) the nano silicon gel is mixed with described organic solvent, obtain nano silicon solution;
(3) nanometer powder is added in the nano silicon solution that step (2) makes and stir.
9. the preparation method of composite nano-coating according to claim 8, it is characterized in that: described nanometer powder is handled by the interface promoting agent.
10. composite nano-coating according to claim 9 is characterized in that: when described nanometer powder was handled by the interface promoting agent, the addition of interface promoting agent and the mass ratio of nanometer powder were 1～3%.
11. composite nano-coating according to claim 9 is characterized in that: described interface promoting agent is one or both in sodium laurylsulfonate and the Polyvinylpyrolidone (PVP).
12. a product comprises housing, is coated with on this housing according to the formed protective membrane of each described composite nano-coating in the 1st to 7 of the claim scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200810030273A CN101649131A (en) | 2008-08-15 | 2008-08-15 | Composite nano-coating, preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810030273A CN101649131A (en) | 2008-08-15 | 2008-08-15 | Composite nano-coating, preparation method and application thereof |
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| CN101649131A true CN101649131A (en) | 2010-02-17 |
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Cited By (16)
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|---|---|---|---|---|
| CN102234445A (en) * | 2010-04-23 | 2011-11-09 | 富港电子（东莞）有限公司 | Protective coating as well as preparation method and use method thereof |
| CN102511503A (en) * | 2011-12-06 | 2012-06-27 | 海南大学 | Efficient and environmentally-friendly antibacterial and mildewproof inorganic composite nano-powder slurry and its preparation method |
| CN102886354A (en) * | 2011-07-22 | 2013-01-23 | 元贸国际有限公司 | Production method of compound formula cleaning cloth |
| CN102982950A (en) * | 2012-11-23 | 2013-03-20 | 天长市昭田磁电科技有限公司 | TiO2-containing ferromagnetic core manufacturing method |
| CN103316602A (en) * | 2013-05-09 | 2013-09-25 | 贝尔格林（宁德）纳米科技有限公司 | Nanometer mesoporous material solution and preparation method thereof |
| CN104193184A (en) * | 2014-09-09 | 2014-12-10 | 福建省港达玻璃制品有限公司 | Preparation method of self-cleaning toughened glass |
| CN104496547A (en) * | 2014-11-29 | 2015-04-08 | 浙江大学自贡创新中心 | Preparation method of matrix with high-temperature-resistant hydrophobic conductive coating |
| CN105423714A (en) * | 2015-12-30 | 2016-03-23 | 唐伟 | Medical instrument drying and storing device |
| CN105585883A (en) * | 2016-03-04 | 2016-05-18 | 浙江大学 | Low-temperature sintering coating for steel reinforcing bar corrosion prevention and coating method thereof |
| CN106362932A (en) * | 2016-10-16 | 2017-02-01 | 成都蒲江珂贤科技有限公司 | Nanometer treatment technology for surface of aluminum alloy hub |
| CN108953136A (en) * | 2018-07-10 | 2018-12-07 | 浙江大学 | For reducing the axial plunger pump with oleophobic coating of churn loss |
| CN109504256A (en) * | 2018-10-22 | 2019-03-22 | 天津昌海新材料科技发展有限公司 | A kind of dedicated heavy antisepsis waterproof material of environment-friendly type bridge pavement and preparation method thereof |
| CN109575817A (en) * | 2018-12-12 | 2019-04-05 | 杨建波 | Automobile chromium plating item aoxidizes renovation agent and preparation method thereof and its application method |
| CN111518455A (en) * | 2020-06-04 | 2020-08-11 | 云南独树林涂料有限公司 | High-standard hot-melt marking paint and preparation method and application thereof |
| CN111560210A (en) * | 2020-04-16 | 2020-08-21 | 江苏斯迪克新材料科技股份有限公司 | Antifog medical isolation face guard of wear-type high definition |
| CN113667391A (en) * | 2021-08-05 | 2021-11-19 | 广东天进新材料有限公司 | Scratch-resistant and stain-resistant composition, preparation method thereof and application thereof on surface of membrane material |
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2008
- 2008-08-15 CN CN200810030273A patent/CN101649131A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102234445B (en) * | 2010-04-23 | 2013-02-20 | 富港电子（东莞）有限公司 | Protective coating as well as preparation method and use method thereof |
| CN102234445A (en) * | 2010-04-23 | 2011-11-09 | 富港电子（东莞）有限公司 | Protective coating as well as preparation method and use method thereof |
| CN102886354A (en) * | 2011-07-22 | 2013-01-23 | 元贸国际有限公司 | Production method of compound formula cleaning cloth |
| CN102511503A (en) * | 2011-12-06 | 2012-06-27 | 海南大学 | Efficient and environmentally-friendly antibacterial and mildewproof inorganic composite nano-powder slurry and its preparation method |
| CN102511503B (en) * | 2011-12-06 | 2014-07-02 | 海南大学 | Efficient and environmentally-friendly antibacterial and mildewproof inorganic composite nano-powder slurry and its preparation method |
| CN102982950B (en) * | 2012-11-23 | 2016-05-04 | 天长市昭田磁电科技有限公司 | One contains TiO2The manufacture method of ferromagnetic core |
| CN102982950A (en) * | 2012-11-23 | 2013-03-20 | 天长市昭田磁电科技有限公司 | TiO2-containing ferromagnetic core manufacturing method |
| CN103316602B (en) * | 2013-05-09 | 2016-06-22 | 贝尔格林（宁德）纳米科技有限公司 | A kind of mesoporous nano material solution and compound method thereof |
| CN103316602A (en) * | 2013-05-09 | 2013-09-25 | 贝尔格林（宁德）纳米科技有限公司 | Nanometer mesoporous material solution and preparation method thereof |
| CN104193184A (en) * | 2014-09-09 | 2014-12-10 | 福建省港达玻璃制品有限公司 | Preparation method of self-cleaning toughened glass |
| CN104496547A (en) * | 2014-11-29 | 2015-04-08 | 浙江大学自贡创新中心 | Preparation method of matrix with high-temperature-resistant hydrophobic conductive coating |
| CN105423714A (en) * | 2015-12-30 | 2016-03-23 | 唐伟 | Medical instrument drying and storing device |
| CN105585883A (en) * | 2016-03-04 | 2016-05-18 | 浙江大学 | Low-temperature sintering coating for steel reinforcing bar corrosion prevention and coating method thereof |
| CN105585883B (en) * | 2016-03-04 | 2017-09-19 | 浙江大学 | Low-temperature sintering coating and its painting method for steel bar anti-corrosion |
| CN106362932A (en) * | 2016-10-16 | 2017-02-01 | 成都蒲江珂贤科技有限公司 | Nanometer treatment technology for surface of aluminum alloy hub |
| CN108953136B (en) * | 2018-07-10 | 2019-09-10 | 浙江大学 | For reducing the axial plunger pump with oleophobic coating of churn loss |
| CN108953136A (en) * | 2018-07-10 | 2018-12-07 | 浙江大学 | For reducing the axial plunger pump with oleophobic coating of churn loss |
| CN109504256A (en) * | 2018-10-22 | 2019-03-22 | 天津昌海新材料科技发展有限公司 | A kind of dedicated heavy antisepsis waterproof material of environment-friendly type bridge pavement and preparation method thereof |
| CN109575817A (en) * | 2018-12-12 | 2019-04-05 | 杨建波 | Automobile chromium plating item aoxidizes renovation agent and preparation method thereof and its application method |
| CN111560210A (en) * | 2020-04-16 | 2020-08-21 | 江苏斯迪克新材料科技股份有限公司 | Antifog medical isolation face guard of wear-type high definition |
| CN111560210B (en) * | 2020-04-16 | 2021-11-16 | 江苏斯迪克新材料科技股份有限公司 | Antifog medical isolation face guard of wear-type high definition |
| CN111518455A (en) * | 2020-06-04 | 2020-08-11 | 云南独树林涂料有限公司 | High-standard hot-melt marking paint and preparation method and application thereof |
| CN111518455B (en) * | 2020-06-04 | 2022-01-07 | 云南独树林涂料有限公司 | High-standard hot-melt marking paint and preparation method and application thereof |
| CN113667391A (en) * | 2021-08-05 | 2021-11-19 | 广东天进新材料有限公司 | Scratch-resistant and stain-resistant composition, preparation method thereof and application thereof on surface of membrane material |
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Open date: 20100217 |