CN103728736B - Anti-fog self-cleaning lens and preparation method thereof - Google Patents

Anti-fog self-cleaning lens and preparation method thereof Download PDF

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Publication number
CN103728736B
CN103728736B CN201310749236.0A CN201310749236A CN103728736B CN 103728736 B CN103728736 B CN 103728736B CN 201310749236 A CN201310749236 A CN 201310749236A CN 103728736 B CN103728736 B CN 103728736B
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lens
alkyl ketene
cleaning
micron
ketene dimer
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CN103728736A (en
Inventor
姚红兵
郑学良
平洁
佟艳群
李亚茹
高原
于文龙
马桂殿
曾祥波
沈宝国
于存胜
张永康
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Jiangsu University
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Jiangsu University
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Abstract

The invention discloses an anti-fog self-cleaning lens and a preparation method thereof. Columnar structures are uniformly arranged on the surface of the lens, and each columnar structure is composed of column bodies which are 10-15 microns in diameter and arranged at an interval of 20-30 microns; granular alkyl ketene dimers are uniformly distributed on the surfaces of the columnar structures so as to form a nanostructure. According to the method, columnar structures are formed on the surface of the lens through laser micro processing, and in combination with alkyl ketene dimers, a nanostructure is formed, so that a water droplet forms a contact angle of over 140 DEC on the surface of the lens, and then the water droplet can not be standing on the surface of the lens, thereby preventing the formation of fog on the surface of the lens better. In such a way, the lens provide clearer and more stable vision for people wearing glasses, thereby greatly facilitating the daily life of people wearing glasses. Once the structure is formed, additional measures such as a measure of adding an antifoggant repeatedly are not required to be taken, so that the lens can be durably used.

Description

A kind of antifogging self-cleaning eyeglass and preparation method thereof
Technical field
The present invention relates to eyeglass and manufacture field and Laser Micro-Machining field, refer in particular to a kind of preparation method of antifogging self-cleaning eyeglass.
Background technology
In daily life, fog is ubiquitous, the application of Anti-fog glasses is also more and more extensive, and common people with glasses, doctor, driver, swimmer and deep sea diving operating personnel need to use, so create the multiple application of fog-proof lens, anti-fogging laryngoscope, Anti-mist mask etc.
The fog-proof lens occurred the earliest mainly arranges a circle insulating collar blend compounds bonding between two-layer eyeglass, between two-layer eyeglass, an insulated chamber is formed by this insulating collar, this insulated chamber is pumped into vacuum, to intercept the conduction of most of heat energy, but such fog-proof lens is extremely thick and heavy and unsightly, be not suitable for ordinary consumer and wear.Then there is again a kind of fog-proof lens realized by plated film, but this eyeglass being infected with easily by molecule, and when the temperature difference is larger, fog can not be eliminated fast.The new fog-proof lens of nearest appearance is also realized by plated film, it requires in the vacuum coating cabin that temperature is 60 degrees Celsius to 90 degrees Celsius, after adopting ion bombardment that the potpourri of zirconia, zinc paste is plated on antireflection film layer surface, the potpourri of sodium fluoride, potassium chloride, magnesium fluoride is covered in compound antireflection film layer from dosing hole by vacuum evaporation equably, forms the antifog rete of nanoscale.The anti-fog effect of this fog-proof lens increases, but in its manufacturing process, environment, technology etc. require too high, not easily form industrialization.
Summary of the invention
The object of this invention is to provide a kind of antifogging self-cleaning eyeglass by having the imitative lotus leaf micro-nano surface structure of ultra-hydrophobicity with acquisition to lens surface micro Process.
Another object of the present invention is to provide the preparation method of antifogging self-cleaning eyeglass.
Technical scheme of the present invention is: a kind of antifogging self-cleaning eyeglass, the evenly distributed column structure of lens surface, described column structure by diameter be 10-15 micron, spacing is that the cylinder of 20-30 micron forms; The alkyl ketene dimer of institute's column structure surface uniform distributed granule shape forms nanostructured.
Further, the particle scale of described granular alkyl ketene dimer is 130 nm, and described height of column is 60-70 micron.
Further, the phase coupled columns height Hr=height of column/intercolumniation of described cylinder, 2≤Hr≤3.5, the wide Ar=column diameter/intercolumniation of phase coupled columns of described cylinder, 0.33≤Ar≤0.75, described columnar structured material is coarse than Mr=column diameter/height of column,
0.14≤Mr≤0.25。
Another technical scheme of the present invention is: a kind of preparation method of antifogging self-cleaning eyeglass, comprises the following steps:
1) Ultrasonic Cleaning is carried out by after substrate coating;
2) with laser stepper, Laser Micro-Machining is carried out to lens surface and obtain micron-sized lens surface structure;
3) by purity 98% and above alkyl ketene dimer be heated to 90 ° of C and more than;
4) by step 2) gained eyeglass to invade in the liquid of the alkyl ketene dimer of step 3) gained after 10-20 minute, cools fast with nitrogen.
Advantage of the present invention is: this structure makes the globule form the contact angle being greater than 140 degree at lens surface, water droplet cannot be based oneself upon, better prevent fog in the formation of lens surface.Thus provide more clear, stable eyesight for people with glasses, facilitate the daily life of the person of getting the right lensses for one's eyeglasses greatly.This structure, once be formed, by without the need to repeatedly adding the additional measures such as antifoggant, can use lastingly.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the micron order column structure figure of minute surface;
Fig. 2 is the schematic diagram of the globule at lens surface;
Fig. 3 is eyeglass preparation flow figure;
1 lens surface, 2 column structures, 3 mattress, 4 contact angles.
Embodiment
As shown in Figure 1-2, carry out micro Process by Laser Micro-Machining to lens surface 1, obtain the minute surface with evenly distributed column structure 2, the diameter 10-15 micron of its cylinder, spacing 20-30 micron, height about 60-70 micron are mattress 3 between cylinder.Then one deck nanostructured is built by microstructure in conjunction with alkyl ketene dimer (AKD) process, AKD is that graininess is evenly distributed on micro-machined surface, particle scale, at about 130 nm, makes the super-hydrophobic minute surface of imitative lotus leaf that eyeglass formation contact angle 4 is greater than 140 degree.Column structure 2 has larger phase coupled columns high (Hr=2), can ensure that compound soaks state and less phase coupled columns wide (0.33≤Ar≤0.75), can obtain the contact angle being no less than 140 degree.And in cylindrical recesses, form one deck mattress 3, reduce the contact area of the globule and minute surface further.The characteristic dimension of column structure can obtain the as far as possible large coarse ratio of material 0.14≤Mr≤0.25 on the basis ensureing contact angle, ensures the mechanical endurance of surface structure.
The preparation method of the eyeglass in the present invention is as shown in Figure 3:
1) first Ultrasonic Cleaning is carried out by after substrate coating.
2) then laser stepper carries out Laser Micro-Machining to obtain micron-sized lens surface structure to lens surface, and namely obtain from the teeth outwards and have evenly distributed column matrix, these column structure diameters are 10-15 micron, and spacing is about 20-30 micron.
3) one deck nanostructured is built finally by microstructure in conjunction with alkyl ketene dimer (AKD) process, concrete grammar is as follows: by AKD, (purity is more than 98%, otherwise need purifying) be heated to more than 90 ° and make it melt, again by needing the eyeglass of hydrophobization to be immersed about 10-20 minute, cool fast with nitrogen after taking-up.Such AKD can be evenly distributed on micro-machined surface in graininess, and particle scale, at 130-140 about nm, makes the super-hydrophobic minute surface of imitative lotus leaf that lens surface formation contact angle is greater than 140 degree.

Claims (5)

1. an antifogging self-cleaning eyeglass, is characterized in that, the evenly distributed column structure of lens surface, described column structure by diameter be 10-15 micron, spacing is that the cylinder of 20-30 micron forms; The alkyl ketene dimer of institute's column structure surface uniform distributed granule shape forms nanostructured.
2. a kind of antifogging self-cleaning eyeglass according to claim 1, is characterized in that, the particle diameter of described granular alkyl ketene dimer is 130 nm.
3. a kind of antifogging self-cleaning eyeglass according to claim 1, is characterized in that, described height of column is 60-70 micron.
4. a kind of antifogging self-cleaning eyeglass according to claim 1, it is characterized in that, the scope of the phase coupled columns height Hr of described cylinder is: 2≤Hr≤3.5, the scope of the wide Ar of phase coupled columns of described cylinder is: 0.33≤Ar≤0.75, and the coarse scope than Mr of described columnar structured material is: 0.14≤Mr≤0.25.
5. the preparation method of a kind of antifogging self-cleaning eyeglass according to claim 1, is characterized in that comprising the following steps:
1) Ultrasonic Cleaning is carried out by after substrate coating;
2) with laser stepper, Laser Micro-Machining is carried out to lens surface and obtain micron-sized lens surface structure;
3) by purity 98% and above alkyl ketene dimer be heated to 90 ° of C and more than;
4) by step 2) gained eyeglass to invade in the liquid of the alkyl ketene dimer of step 3) gained after 10-20 minute, cools fast with nitrogen.
CN201310749236.0A 2013-12-31 2013-12-31 Anti-fog self-cleaning lens and preparation method thereof Expired - Fee Related CN103728736B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111060997A (en) * 2020-01-19 2020-04-24 西安交通大学 Method for manufacturing multistage fly-eye lens

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107037510B (en) * 2017-06-08 2018-02-27 刘子轩 A kind of anti-fogging processing method in pick-up lens surface

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CN1716000A (en) * 2005-06-16 2006-01-04 上海质子光学眼镜有限公司 Method for producing fog-proof lens
CN2898863Y (en) * 2005-12-30 2007-05-09 上海三联(集团)有限公司茂昌眼镜公司 Superhard antifouling resin spectacles lens
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KR20080042005A (en) * 2006-11-08 2008-05-14 닛산 지도우샤 가부시키가이샤 Water repellent anti-reflective structure and vehicle component comprising the same, and water repellent anti-reflective structure body and manufacturing method for the same
CN201149621Y (en) * 2007-12-25 2008-11-12 上海市延安中学 Mirage-proof eyeglasses
CN201327536Y (en) * 2008-12-09 2009-10-14 温州医学院眼视光研究院 Light-induction antifouling and anti-fog self-cleaning resin lens
CN101178442B (en) * 2006-11-08 2010-12-08 日产自动车株式会社 Water repellent anti-reflective structure and method of manufacturing the same
CN202486446U (en) * 2011-11-29 2012-10-10 刘宇程 Mist-prevention eyeglasses
CN202986254U (en) * 2012-10-31 2013-06-12 西安金和光学科技有限公司 Disposable anti-mist thin film
CN103288358A (en) * 2012-02-22 2013-09-11 中国科学院理化技术研究所 Super-hydrophilic self-cleaning antifogging antireflection coating and preparation method thereof
KR101340513B1 (en) * 2013-08-05 2013-12-11 김진태 Antifog lens and manufacturing process thereof

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Publication number Priority date Publication date Assignee Title
KR20040072122A (en) * 2003-02-10 2004-08-18 아이 코리아 광학(주) Anti-Fogging Eye glass Lens
CN1716000A (en) * 2005-06-16 2006-01-04 上海质子光学眼镜有限公司 Method for producing fog-proof lens
CN2898863Y (en) * 2005-12-30 2007-05-09 上海三联(集团)有限公司茂昌眼镜公司 Superhard antifouling resin spectacles lens
CN1991441A (en) * 2005-12-30 2007-07-04 上海三联(集团)有限公司茂昌眼镜公司 Ultrahard antifouling resin eyeglass and method for making same
KR20080042005A (en) * 2006-11-08 2008-05-14 닛산 지도우샤 가부시키가이샤 Water repellent anti-reflective structure and vehicle component comprising the same, and water repellent anti-reflective structure body and manufacturing method for the same
CN101178442B (en) * 2006-11-08 2010-12-08 日产自动车株式会社 Water repellent anti-reflective structure and method of manufacturing the same
CN201149621Y (en) * 2007-12-25 2008-11-12 上海市延安中学 Mirage-proof eyeglasses
CN201327536Y (en) * 2008-12-09 2009-10-14 温州医学院眼视光研究院 Light-induction antifouling and anti-fog self-cleaning resin lens
CN202486446U (en) * 2011-11-29 2012-10-10 刘宇程 Mist-prevention eyeglasses
CN103288358A (en) * 2012-02-22 2013-09-11 中国科学院理化技术研究所 Super-hydrophilic self-cleaning antifogging antireflection coating and preparation method thereof
CN202986254U (en) * 2012-10-31 2013-06-12 西安金和光学科技有限公司 Disposable anti-mist thin film
KR101340513B1 (en) * 2013-08-05 2013-12-11 김진태 Antifog lens and manufacturing process thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111060997A (en) * 2020-01-19 2020-04-24 西安交通大学 Method for manufacturing multistage fly-eye lens
CN111060997B (en) * 2020-01-19 2021-05-07 西安交通大学 Method for manufacturing multistage fly-eye lens

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