CN105295455A - Nano water-borne coating with water-proof, scratch-resistant and anti-fingerprint characteristics as well as preparation method and application of nano water-borne coating - Google Patents
Nano water-borne coating with water-proof, scratch-resistant and anti-fingerprint characteristics as well as preparation method and application of nano water-borne coating Download PDFInfo
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- CN105295455A CN105295455A CN201410310311.8A CN201410310311A CN105295455A CN 105295455 A CN105295455 A CN 105295455A CN 201410310311 A CN201410310311 A CN 201410310311A CN 105295455 A CN105295455 A CN 105295455A
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Abstract
The invention discloses a nano water-borne coating with water water-proof, scratch-resistant and anti-fingerprint characteristics. The nano water-borne coating consists of the following raw materials by mass: 6-12 percent of silicon dioxide, 1-7 percent of silicon carbide, 1-5 percent of calcium fluoride, 0.125-0.5 percent of a complexing agent, and 75-95 percent of a solvent. The invention further discloses a preparation method of the nano water-borne coating, as well as application of the nano water-borne coating to electronic products, spectacle lenses and automobile glass. When being applied to the electronic products, the spectacle lenses and the automobile glass, the nano water-borne coating has the following advantages: (1) a comprehensive waterproof effect on circuit boards, screens and housings is achieved; (2) contact points are not isolated; (3) the preparation method is extremely simple and only requires direct application; (4) scratches are prevented; (5) fingerprint resistance is realized; (6) moisture and fog protection is achieved; (7) an oleophobic effect is performed; (8) sweat stain resistance is achieved.
Description
Technical field
The present invention relates to inorganic nano surface coating technical field of coatings, particularly relate to and a kind of there is nano-waterborne coating of waterproof, anti-scratch and anti-fingerprint characteristic and its production and use.
Background technology
Electronic product has become requisite indispensable among people's daily life, even act as corresponding role, such as the clothing of people, food, shelter, row, education, amusement, invariably closely bound up, inseparable with it, electronic product has sizable contribution to the convenience that people make the life better.
And electronic product equipment, we know that its maximum mortal wound is exactly the components and parts of its inside, especially the circuit card of precise structure, poor to the resistance capabilities of steam, once electronics is intake or made moist, then will cause the loss that cannot retrieve, not whole equipment scrapping, will disassemble maintenance exactly, not only cause financial loss, equipment also cannot continue to use.
Therefore; the necessary coating water-proof material of electronic product; but; general water-proof material can only be coated on electronic product surface; and electronic product internal circuit cannot be protected; at present; the one that market occurs occlusive material completely; can coating interiors of products; but after the coating of this product, the contact of all electronics point of contact can be completely cut off completely, the normal function of electronic product internal circuit can be affected like this; cannot reach the object of comprehensive waterproof and don't isolated point of contact, still there is significant limitation in current water-proof material.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art part and a kind of nano-waterborne coating with waterproof, anti-scratch and anti-fingerprint characteristic is provided, be actually a kind of inorganic nano surface coating coating.
For achieving the above object, the technical scheme that the present invention takes is: a kind of nano-waterborne coating with waterproof, anti-scratch and anti-fingerprint characteristic, is made up of the raw material of following quality proportioning:
Silicon-dioxide: silicon carbide: Calcium Fluoride (Fluorspan): complexing agent: solvent=6% ~ 12%:1% ~ 7%:1% ~ 5%:0.125% ~ 0.5%:75% ~ 95%.
As the preferred implementation with the nano-waterborne coating of waterproof, anti-scratch and anti-fingerprint characteristic of the present invention, described nano-waterborne coating is made up of the raw material of following quality proportioning:
Silicon-dioxide: silicon carbide: Calcium Fluoride (Fluorspan): complexing agent: solvent=9.25%:3.25%:2.25%:0.25%:85%.
As the preferred implementation with the nano-waterborne coating of waterproof, anti-scratch and anti-fingerprint characteristic of the present invention, described solvent is C3-Fluoroalcohol or Virahol.
Nano-waterborne coating disclosed by the invention has high density, chemical uniformity is good, species activity is high advantage.
Secondly, the present invention also provides a kind of preparation method with the nano-waterborne coating of waterproof, anti-scratch and anti-fingerprint characteristic, said method comprising the steps of:
(1) adopt Gel-Sol method respectively by SiO
2, SiC and CaF
2be prepared into inorganic nano material;
(2) dispersing speed is adjusted to 300r/m ~ 500r/m, first slowly adds SiO
2, SiC and CaF
2inorganic nano material, then add solvent, form slurry, slurry viscosity is unsuitable too high, adds appropriate solvent again, then adds complexing agent, just form gelating soln depending on slurry viscosity;
(3) by gelating soln transpiring moisture under vacuum conditions in step (2), make the state of gel remain the state of liquefaction and can not flocculate, obtain the nano-waterborne coating of energy long storage periods.
A kind of preparation method with the nano-waterborne coating of waterproof, anti-scratch and anti-fingerprint characteristic disclosed by the invention has the advantage of the low and easy control of components of doping distributed uniform, synthesis temperature.
Finally, present invention also offers a kind of purposes of nano-waterborne coating on electronic product, ophthalmic lens and vehicle glass with waterproof, anti-scratch and anti-fingerprint characteristic.
Nano-waterborne coating system provided by the invention adopts Sol-Gel to be main body, itself and various base material is made to have very good bond ability, and add the fluorine-containing factor, allow its surface be formed and there is the film of very well refuting water effect together, it is made to form lotus leaf effect, and by the ultra-thin film of this one deck, electronical elements surface can be allowed to form one powerful protective membrane, tightly keep complete adherence and parcel with the stitch of each electronic devices and components, again by our specifically developed specific equipment, this product is infiltrated into each trickle gap of electronic component, reach complete spreadability and parcel property, and then product can obtain comprehensively three-dimensional waterproof effect.
Nano-waterborne coating provided by the invention is an epoch-making breakthrough material, it does not need existing for electronics point of contact isolated, avoid the contact difficult problem in the future in use produced, in addition, it is extremely convenient to use, directly smear, and the contact of each point of contact of electronics and the functional performance of waterproof can not be affected.
In addition, nano-waterborne coating provided by the invention also has the functions such as anti-scratch, anti-fingerprint, protection against the tide, antifog, oleophobic.
Nano-waterborne coating provided by the invention is coated on electronic product, ophthalmic lens and vehicle glass and mainly contains following four methods: (one), plating: chromium plating; (2), polymer coating: Teflon glue; (3), vacuum evaporation: Calcium Fluoride (Fluorspan); (4), composite coating: nanometer coating/fluoro containing polymers.
When the nano-waterborne coating with waterproof, anti-scratch and anti-fingerprint characteristic provided by the invention is applied on electronic product, ophthalmic lens and vehicle glass, have the following advantages: (1) has the comprehensive waterproof effect comprising circuit card, screen and shell; (2) not isolated point of contact; (3) application method is extremely simple, directly smears; (4) there is anti-scratch function; (5) there is anti-fingerprint effect; (6) there is moistureproof anti-fog effect; (7) coating is oleophobic material; (8) there is anti-sweat stain effect.
Accompanying drawing explanation
Fig. 1 is the SEM figure of nano-waterborne coating embodiment 2 of the present invention.
Fig. 2 is the waterproof effect figure that the present invention states nano-waterborne coating.
Fig. 3 is the anti-scratch design sketch that the present invention states nano-waterborne coating.
Fig. 4 is the anti-fingerprint design sketch that the present invention states nano-waterborne coating.
Fig. 5 is the anti-sweat stain design sketch that the present invention states nano-waterborne coating.
Fig. 6 is the oleophobic effects figure that the present invention states nano-waterborne coating.
Embodiment
For better the object, technical solutions and advantages of the present invention being described, below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
There is described in the present embodiment being made up of the raw material of following mass ratio of the nano-waterborne coating of waterproof, anti-scratch and anti-fingerprint characteristic:
Silicon-dioxide: silicon carbide: Calcium Fluoride (Fluorspan): complexing agent: C3-Fluoroalcohol=6:1:1:0.125:75.
The preparation technology of nano-waterborne coating described in the present embodiment, comprises the following steps:
(1) adopt Gel-Sol method respectively by SiO
2, SiC and CaF
2be prepared into inorganic nano material;
(2) dispersing speed is adjusted to 300r/m, first slowly adds SiO
2, SiC and CaF
2inorganic nano material, then add appropriate C3-Fluoroalcohol, to be unlikely to make the too high and inconvenient use of slurry viscosity, the viscosity situation depending on entire slurry adds C3-Fluoroalcohol in right amount, and then adds complexing agent, just forms gelating soln;
(3) by gelating soln transpiring moisture under vacuum conditions in step (2), make the state of gel remain the state of liquefaction and can not flocculate, obtain the nano-waterborne coating of energy long storage periods.
Embodiment 2
There is described in the present embodiment being made up of the raw material of following mass ratio of the nano-waterborne coating of waterproof, anti-scratch and anti-fingerprint characteristic:
Silicon-dioxide: silicon carbide: Calcium Fluoride (Fluorspan): complexing agent: Virahol=9.25:3.25:2.25:0.25:85.
The preparation technology of nano-waterborne coating described in the present embodiment, comprises the following steps:
(1) adopt Gel-Sol method respectively by SiO
2, SiC and CaF
2be prepared into inorganic nano material;
(2) dispersing speed is adjusted to 400r/m, first slowly adds SiO
2, SiC and CaF
2inorganic nano material, then add appropriate Virahol, to be unlikely to make the too high and inconvenient use of slurry viscosity, the viscosity situation depending on entire slurry adds Virahol in right amount, and then adds complexing agent, just forms gelating soln;
(3) by gelating soln transpiring moisture under vacuum conditions in step (2), make the state of gel remain the state of liquefaction and can not flocculate, obtain the nano-waterborne coating of energy long storage periods.
Fig. 2 is the SEM figure of the present embodiment, and therefrom can find out that nano particle non-agglomerate is evenly distributed in colloidal solution, Chemical uniformity is good, and the median size of particle is about less than 40nm.
Embodiment 3
There is described in the present embodiment being made up of the raw material of following mass ratio of the nano-waterborne coating of waterproof, anti-scratch and anti-fingerprint characteristic:
Silicon-dioxide: silicon carbide: Calcium Fluoride (Fluorspan): complexing agent: Virahol=12:7:5:0.5:95.
The preparation technology of nano-waterborne coating described in the present embodiment is with embodiment 2.
As shown in Figure 2, for the present invention states the waterproof effect figure of nano-waterborne coating.In Fig. 2, mobile phone screen is coated with the nano-waterborne coating of the present embodiment 2, sprays a little pure water in coating, finds that water and coating are nonwetting, and water is with the existence of globule form in coating, and contact angle is 104 degree, illustrates that coating has good waterproof effect.
As shown in Figure 3, for the present invention states the anti-scratch design sketch of nano-waterborne coating.In Fig. 3, black line left part is divided into blank group of uncoated coating, black line right part is divided into the nano-waterborne coating of coating the present embodiment 2, when respectively marking two thin traces at black line both sides fingernail, can see, there are two vestiges intersected on the left side, and the right does not have, and illustrates that coating has good anti-scratch effect.
As shown in Figure 4, for the present invention states the anti-fingerprint design sketch of nano-waterborne coating.In Fig. 4, left part is divided into blank group of uncoated coating, right part is divided into the nano-waterborne coating of coating the present embodiment 2, when thumb is pressed in coating, find, there is fingerprint lines clearly on the left side, and fingerprint lines is clearly can't see on the right, and this illustrates that coating has good anti-fingerprint effect.
As shown in Figure 5, for the present invention states the anti-sweat stain design sketch of nano-waterborne coating.In Fig. 5, black line left part is divided into blank group of uncoated coating, and black line right part is divided into the nano-waterborne coating of coating the present embodiment 2, when by black pen at both sides trace time, find, there is person's handwriting clearly on the left side, and the right is much fuzzy, this illustrates that coating has good anti-sweat stain effect.
As shown in Figure 6, for the present invention states the oleophobic effects figure of nano-waterborne coating.In Fig. 6, left part is divided into blank group of uncoated coating, black line right part is divided into the nano-waterborne coating of coating the present embodiment 2, when spraying a little edible oil above, finds, left-hand component oil is good with coating wets, be attached in coating, and the oil on the right exists with the form of oil droplet, clearly, oil droplet and the right coating nonwetting, this illustrate coating there is good oleophobic effects.
Finally to should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although be explained in detail the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.
Claims (5)
1. there is a nano-waterborne coating for waterproof, anti-scratch and anti-fingerprint characteristic, be made up of the raw material of following quality proportioning:
Silicon-dioxide: silicon carbide: Calcium Fluoride (Fluorspan): complexing agent: solvent=6% ~ 12%:1% ~ 7%:1% ~ 5%:0.125% ~ 0.5%:75% ~ 95%.
2. have the nano-waterborne coating of waterproof, anti-scratch and anti-fingerprint characteristic according to claim 1, it is characterized in that, described nano-waterborne coating is made up of the raw material of following quality proportioning:
Silicon-dioxide: silicon carbide: Calcium Fluoride (Fluorspan): complexing agent: solvent=9.25%:3.25%:2.25%:0.25%:85%.
3. according to claim 1 or 2, have the nano-waterborne coating of waterproof, anti-scratch and anti-fingerprint characteristic, it is characterized in that, described solvent is C3-Fluoroalcohol or Virahol.
4. there is as described in as arbitrary in claim 1-3 a preparation method for the nano-waterborne coating of waterproof, anti-scratch and anti-fingerprint characteristic, it is characterized in that, said method comprising the steps of:
(1) adopt Gel-Sol method respectively by SiO
2, SiC and CaF
2be prepared into inorganic nano material;
(2) dispersing speed is adjusted to 300r/m ~ 500r/m, first slowly adds SiO
2, SiC and CaF
2inorganic nano material, then add solvent, form slurry, then add complexing agent, just form gelating soln;
(3) by gelating soln transpiring moisture under vacuum conditions in step (2), make the state of gel remain the state of liquefaction and can not flocculate, obtain the nano-waterborne coating of energy long storage periods.
5. one kind as arbitrary in claim 1-3 as described in there is the purposes of nano-waterborne coating on electronic product, ophthalmic lens and vehicle glass of waterproof, anti-scratch and anti-fingerprint characteristic.
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| CN201410310311.8A CN105295455B (en) | 2014-06-30 | 2014-06-30 | A kind of nano-waterborne coating with waterproof, anti-scratch and anti-fingerprint characteristic and its production and use |
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| CN105295455A true CN105295455A (en) | 2016-02-03 |
| CN105295455B CN105295455B (en) | 2018-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3767374A4 (en) * | 2018-03-14 | 2021-12-15 | Esther Fernandez Arenas | Floating sunglasses |
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| CN1516535A (en) * | 2002-11-28 | 2004-07-28 | ���������ƴ���ʽ���� | Plasma processing container internal parts |
| CN101423678A (en) * | 2008-10-29 | 2009-05-06 | 国家纳米科学中心 | Light curing nano composite coating |
| CN101445396A (en) * | 2008-12-09 | 2009-06-03 | 西安交通大学 | Method for preparing porcelain insulator surface super-hydrophobic coating |
| CN101538445A (en) * | 2009-04-10 | 2009-09-23 | 吕文生 | Nano coating of functional polymer and preparation method thereof |
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2014
- 2014-06-30 CN CN201410310311.8A patent/CN105295455B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1516535A (en) * | 2002-11-28 | 2004-07-28 | ���������ƴ���ʽ���� | Plasma processing container internal parts |
| CN101423678A (en) * | 2008-10-29 | 2009-05-06 | 国家纳米科学中心 | Light curing nano composite coating |
| CN101445396A (en) * | 2008-12-09 | 2009-06-03 | 西安交通大学 | Method for preparing porcelain insulator surface super-hydrophobic coating |
| CN101538445A (en) * | 2009-04-10 | 2009-09-23 | 吕文生 | Nano coating of functional polymer and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3767374A4 (en) * | 2018-03-14 | 2021-12-15 | Esther Fernandez Arenas | Floating sunglasses |
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