CN103979799A - Antifogging toughened glass and preparation method thereof - Google Patents
Antifogging toughened glass and preparation method thereof Download PDFInfo
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- CN103979799A CN103979799A CN201410129729.9A CN201410129729A CN103979799A CN 103979799 A CN103979799 A CN 103979799A CN 201410129729 A CN201410129729 A CN 201410129729A CN 103979799 A CN103979799 A CN 103979799A
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Abstract
The invention discloses an antifogging toughened glass and a preparation method thereof. The preparation method comprises the following steps: cutting glass, toughening, cleaning, spray-coating, baking, and cleaning. A water-soluble acrylic resin is used as the antifogging agent of a film forming material according to a hydrophilic principle, and an antifogging film is formed on the surface of toughened glass by adopting a spray coating technology and a baking technology, and the film is hydrophilic, can reduce the contact angle of the surface of the glass to water, makes small water drops coagulating on the surface spread on the surface to form a film not tiny water drops, and reduces the diffuse reflection of light.
Description
Technical field
The present invention relates to glass technology field, particularly relate to a kind of antifog toughened glass and preparation method thereof.
Background technology
Interactive intelligence flat board is that one has merged TV tech, computer technology, touching technique, sound technique in one, realize the integration apparatus of man-machine interaction, it not only has the function that traditional LCD TV high definition shows, also can make it also there is computing power by configuring built-in computer module, and can manipulate computer by touch technology, obtain man-machine interactive easily and experience.
In order to make the display screen of interactive intelligence flat board have touch protective layer, prevent again misoperation damage liquid crystal display and cause the person and property injury, so interactive intelligence flat board is display screen surface increase a slice toughened glass in design is produced.And the toughened glass using is at present without any antifog art breading, in plum rain season or summer air-conditioned room, the touch glass inside of interactive intelligence flat board just there will be water smoke, thereby affects the display effect of product.
Summary of the invention
Based on this, the object of this invention is to provide a kind of preparation method of antifog toughened glass.
Concrete technical scheme is as follows:
A preparation method for antifog toughened glass, comprises the steps:
(1) by original sheet glass by design requirements cut, edging processing;
(2) glass after step (1) is cut carries out tempering processing, then puts into cleaning machine and cleans;
(3) toughened glass after cleaning is sprayed to coating operation, the operating parameters of described spraying plated film is: air pressure is 0.4-0.5MPa, and spray distance is 20-25cm;
(4) toughened glass after plated film is put into roaster and toast, storing temperature is 200-300 DEG C, and baking time is 30-40min;
(5) toughened glass after baking is put into cleaning machine and clean, obtain described antifog toughened glass;
The raw material of the antifogging agent that described spraying plated film uses consists of: hydrophilic acrylic resin 8-12wt%, film forming material 8-12wt%, water 8-12wt%, ethanol 35-45wt%, fluorine carbon flow agent 0.3-0.7wt%, additive 0.3-0.7wt%, the mixed solvent 27-31wt% of the Virahol that volume ratio is 1:1 and ethanol composition.
In an embodiment, described hydrophilic acrylic resin's pH value is 4.5-6.0 therein, and density is 0.95-1.0g/ml, and solid content is 88-92wt%.
In an embodiment, described film forming material is water soluble acrylic resin therein, and its pH value is 8.5-9.0, and viscosity is 790-810CPS, and solid content is 45-50wt%.
In an embodiment, the raw material of described antifogging agent consists of therein: hydrophilic acrylic resin 10wt%, film forming material 10wt%, water 10wt%, ethanol 40wt%, fluorine carbon flow agent 0.5wt%, additive 0.5wt%, the mixed solvent 29wt% of the Virahol that volume ratio is 1:1 and ethanol composition.
In an embodiment, the antifogging film layer thickness obtaining after step (4) baking is 15-20 μ m therein.
In an embodiment, described in step (2), the step of tempering processing is therein: glass is placed in to annealing furnace and heats, and temperature 680-685 DEG C, be 120-125 second heat-up time, then chilling.
In an embodiment, in step (2) and step (5), clean the water temperature 25-35 DEG C using therein.
Another object of the present invention is to provide a kind of antifog toughened glass.
Concrete technical scheme is as follows:
The antifog toughened glass that above-mentioned preparation method prepares.
Existing interactive intelligence flat board there will be big area water smoke after using 30 minutes, affects product and normally watches.Its reason is as follows:
1, ambient moisture is larger: after ambient moisture exceedes 80%, the glass of interactive intelligence flat board and display screen intermediate air will be very moist, when the dull and stereotyped work of interactive intelligence is after 30 minutes, the temperature of machine intimate can rise, and glass belongs to non-wetting ability material, moist gas will condense into the very little globule at glass surface, and the light of display screen will produce refraction through after these droplets, so see the water smoke that just has one deck white on display screen;
2, glass internal-external temperature difference is large: particularly summer, when product, in the time working, internal temperature can be higher, and envrionment temperature can decline after indoor turning on the aircondition, the temperature difference in product glass and outside glass just increases, and condenses in glass surface formation water smoke thereby the air of inside glass will form droplet.
Principle of the present invention and advantage are as follows:
For the problems referred to above, the present invention according to hydrophilic principle, use acrylic resin as the antifogging agent of film forming material, adopt spraying coating process and baking process to form the antifog rete of one deck on toughened glass surface, this rete has wetting ability, can reduce the contact angle of glass surface to water, make to condense upon lip-deep little water droplet and do not form tiny drops of water but open and filming at surface spreading, reduce light diffuse-reflectance.
The antifogging agent liquid medicine jet that contains film forming material is coated in glass surface by antifog toughened glass of the present invention, after the high bake of 200-300 DEG C, form the antifog rete of one deck at glass surface again, hardness reaches 4-6H, rete is non-volatile, and cleaning glass can not destroy rete yet.Automotive anti-mist glass of the prior art is that wetting ability liquid medicine jet is coated in to glass surface, after solidifying, liquid can form antifog rete, but antifog rete can be destroyed in the process of cleaning glass for this antifog rete, and rete after solidifying can volatilize, after 10-30 days, can lose anti-fog effect, need to be according to repeatedly spraying antifogging agent duration of service.
Embodiment
The starting material that the embodiment of the present invention is used are as follows:
Hydrophilic acrylic resin's (positive chemical industry S1012 is kept in Guangzhou): pH value 4.5-6.0, density are 0.95-1.0g/ml, and solid content is 88-92wt%;
Film forming material: water soluble acrylic resin (Korea S Han Hua water soluble acrylic resin R-20), parameter: pH value is 8.5-9.0, viscosity is 790-810CPS, solid content is 45-50wt%, acid number 50-60mgKOH/g, density 1.0-1.1g/ml;
Water: purified water;
Ethanol: volumetric concentration is 99.5%-99.7%;
Fluorine carbon flow agent (Dutch EFKA-3777 flow agent): the fluorine-carbon modified polyacrylic ester 69-71% of effective ingredient, solvent are dimethylbenzene;
Additive: the tensio-active agent Tween80(Tianjin Kai Tong chemical reagent company limited that mass ratio is 1:1) and Silicon (IV) oxide analytical pure (Tianjin Ou Bokai Chemical Co., Ltd.);
Volume ratio is the Virahol of 1:1 and the mixed solvent of ethanol composition.
By the following examples the application is further elaborated.
Embodiment 1
A preparation method for antifog toughened glass, comprises the steps:
(1) by original sheet glass by design requirements cut, edging processing;
(2) glass after step (1) is cut carries out tempering processing, and the step of described tempering processing is: glass is placed in to annealing furnace and heats, 680 DEG C of temperature, be 120-125 second heat-up time, then chilling obtains toughened glass, then puts into cleaning machine and cleans, 25 DEG C of water temperatures;
(3) toughened glass after cleaning is sprayed to coating operation, the operating parameters of described spraying plated film is: air pressure is 0.4-0.5MPa, and spray distance is 20-25cm;
The raw material of described antifogging agent consists of: hydrophilic acrylic resin 10wt%, film forming material 10wt%, water 10wt%, ethanol 40wt%, fluorine carbon flow agent 0.5wt%, additive 0.5wt%, the mixed solvent 29wt% of the Virahol that volume ratio is 1:1 and ethanol composition;
(4) toughened glass after film is put into roaster and toast, storing temperature is 250 DEG C, and baking time is 35min; The antifogging film layer thickness obtaining after baking is 15-20 μ m;
(5) toughened glass after baking is put into cleaning machine and clean, 30 DEG C of water temperatures, obtain described antifog toughened glass.
Embodiment 2
A preparation method for antifog toughened glass, comprises the steps:
(1) by original sheet glass by design requirements cut, edging processing;
(2) glass after step (1) is cut carries out tempering processing, and the step of described tempering processing is: glass is placed in to annealing furnace and heats, 685 DEG C of temperature, be 120-125 second heat-up time, then chilling obtains toughened glass, then puts into cleaning machine and cleans, 35 DEG C of water temperatures;
(3) toughened glass after cleaning is sprayed to coating operation, the operating parameters of described spraying plated film is: air pressure is 0.4-0.5MPa, and spray distance is 20-25cm;
The raw material of described antifogging agent consists of: hydrophilic acrylic resin 12wt%, film forming material 8wt%, water 12wt%, ethanol 36wt%, fluorine carbon flow agent 0.4wt%, additive 0.6wt%, the mixed solvent 31wt% of the Virahol that volume ratio is 1:1 and ethanol composition;
(4) toughened glass after film is put into roaster and toast, storing temperature is 300 DEG C, and baking time is 30min; The antifogging film layer thickness obtaining after baking is 15-20 μ m;
(5) toughened glass after baking is put into cleaning machine and clean, obtain described antifog toughened glass.
Embodiment 3
A preparation method for antifog toughened glass, comprises the steps:
(1) by original sheet glass by design requirements cut, edging processing;
(2) glass after step (1) is cut carries out tempering processing, and the step of described tempering processing is: glass is placed in to annealing furnace and heats, 683 DEG C of temperature, be 120-125 second heat-up time, then chilling obtains toughened glass, then puts into cleaning machine and cleans, 30 DEG C of water temperatures;
(3) toughened glass after cleaning is sprayed to coating operation, the operating parameters of described spraying plated film is: air pressure is 0.4-0.5MPa, and spray distance is 20-25cm;
The raw material of described antifogging agent consists of: water soluble acrylic acid 8wt%, film forming material (acrylic resin) 12wt%, water 8wt%, ethanol 44wt%, fluorine carbon flow agent 0.4wt%, additive 0.6wt%, the mixed solvent 27wt% of the Virahol that volume ratio is 1:1 and ethanol composition;
(4) toughened glass after film is put into roaster and toast, storing temperature is 200 DEG C, and baking time is 40min; The antifogging film layer thickness obtaining after baking is 15-20 μ m;
(5) toughened glass after baking is put into cleaning machine and clean, obtain described antifog toughened glass.
Embodiment 4 performance tests
As can be seen from the above table data:
1, do not decline through the glass transmission of antifog processing from transparence;
2, higher than existing antifog glass hardness from the antifog toughened glass of hardness plated film;
3, test the anti-dazzle toughened glass of plated film from stress, static pressure, falling sphere and meet shatter proof glass requirement;
4, there is obvious wetting ability effect from water contact angle degree plated film antifog glass, meet antifog requirement;
5, higher than existing antifog glass from the sticking power of hot and humid test plated film antifog glass.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a preparation method for antifog toughened glass, is characterized in that, comprises the steps:
(1) by original sheet glass by design requirements cut, edging processing;
(2) glass after step (1) is cut carries out tempering processing, then puts into cleaning machine and cleans;
(3) toughened glass after cleaning is sprayed to coating operation, the operating parameters of described spraying plated film is: air pressure is 0.4-0.5MPa, and spray distance is 20-25cm;
(4) toughened glass after plated film is put into roaster and toast, storing temperature is 200-300 DEG C, and the time is 30-40min;
(5) toughened glass after baking is put into cleaning machine and clean, obtain described antifog toughened glass;
The raw material of the antifogging agent that described spraying plated film uses consists of: hydrophilic acrylic resin 8-12wt%, film forming material 8-12wt%, water 8-12wt%, ethanol 35-45wt%, fluorine carbon flow agent 0.3-0.7wt%, additive 0.3-0.7wt%, the mixed solvent 27-31wt% of the Virahol that volume ratio is 1:1 and ethanol composition.
2. the preparation method of antifog toughened glass according to claim 1, is characterized in that, described hydrophilic acrylic resin's pH value is 4.5-6.0, and density is 0.95-1.0g/ml, and solid content is 88-92wt%.
3. the preparation method of antifog toughened glass according to claim 1, is characterized in that, described film forming material is water soluble acrylic resin, its pH value is 8.5-9.0, and viscosity is 790-810CPS, and solid content is 45-50wt%, acid number 50-60mgKOH/g, density 1.0-1.1g/ml.
4. according to the preparation method of the antifog toughened glass described in claim 1-3 any one, it is characterized in that, the raw material of described antifogging agent consists of: hydrophilic acrylic resin 10wt%, film forming material 10wt%, water 10wt%, ethanol 40wt%, fluorine carbon flow agent 0.5wt%, additive 0.5wt%, the mixed solvent 29wt% of the Virahol that volume ratio is 1:1 and ethanol composition.
5. according to the preparation method of the antifog toughened glass described in claim 1-3 any one, it is characterized in that, the antifogging film layer thickness obtaining after step (4) baking is 15-20 μ m.
6. according to the preparation method of the antifog toughened glass described in claim 1-3 any one, it is characterized in that, described in step (2), the step of tempering processing is: glass is placed in to annealing furnace and heats, temperature 680-685 DEG C, be 120-125 second heat-up time, and then chilling, obtains toughened glass.
7. according to the preparation method of the antifog toughened glass described in claim 1-3 any one, it is characterized in that, in step (2) and step (5), clean the water temperature 25-35 DEG C using.
8. the antifog toughened glass that the preparation method described in claim 1-7 any one prepares.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630660A (en) * | 2016-09-08 | 2017-05-10 | 广州视睿电子科技有限公司 | Anti-fog glass and preparation method thereof |
| CN106746545A (en) * | 2016-12-15 | 2017-05-31 | 郑州航空工业管理学院 | A kind of manufacturing process of safety glass |
| CN106830703A (en) * | 2016-12-15 | 2017-06-13 | 郑州航空工业管理学院 | A kind of processing technology of antifog safety glass |
| CN107253819A (en) * | 2017-05-31 | 2017-10-17 | 江苏精盾节能科技有限公司 | A kind of preparation method of preventing atomization safety glass |
| CN107325665A (en) * | 2017-08-22 | 2017-11-07 | 中山市优贝科技股份有限公司 | Automobile rearview mirror antirain agent and preparation method thereof |
| CN107325649A (en) * | 2017-08-01 | 2017-11-07 | 合肥利裕泰玻璃制品有限公司 | A kind of preparation technology of safety glass |
| CN108640491A (en) * | 2018-03-28 | 2018-10-12 | 无锡阿森那斯卫浴设备有限公司 | A kind of production method of tempered glass easy to clean |
| CN109270622A (en) * | 2018-10-22 | 2019-01-25 | 东莞市银泰丰光学科技有限公司 | A kind of processing method changing glass light guide plate surface tension and water droplet angle |
| CN111960689A (en) * | 2020-07-04 | 2020-11-20 | 上海博迪装饰材料有限公司 | Preparation process of antifogging toughened glass |
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2014
- 2014-03-31 CN CN201410129729.9A patent/CN103979799B/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106630660A (en) * | 2016-09-08 | 2017-05-10 | 广州视睿电子科技有限公司 | Anti-fog glass and preparation method thereof |
| CN106630660B (en) * | 2016-09-08 | 2019-09-17 | 广州视睿电子科技有限公司 | Antifog glass and preparation method thereof |
| CN106746545A (en) * | 2016-12-15 | 2017-05-31 | 郑州航空工业管理学院 | A kind of manufacturing process of safety glass |
| CN106830703A (en) * | 2016-12-15 | 2017-06-13 | 郑州航空工业管理学院 | A kind of processing technology of antifog safety glass |
| CN107253819A (en) * | 2017-05-31 | 2017-10-17 | 江苏精盾节能科技有限公司 | A kind of preparation method of preventing atomization safety glass |
| CN107325649A (en) * | 2017-08-01 | 2017-11-07 | 合肥利裕泰玻璃制品有限公司 | A kind of preparation technology of safety glass |
| CN107325665A (en) * | 2017-08-22 | 2017-11-07 | 中山市优贝科技股份有限公司 | Automobile rearview mirror antirain agent and preparation method thereof |
| CN107325665B (en) * | 2017-08-22 | 2020-03-13 | 中山市优贝科技股份有限公司 | Automobile rearview mirror rainproof agent and preparation method thereof |
| CN108640491A (en) * | 2018-03-28 | 2018-10-12 | 无锡阿森那斯卫浴设备有限公司 | A kind of production method of tempered glass easy to clean |
| CN109270622A (en) * | 2018-10-22 | 2019-01-25 | 东莞市银泰丰光学科技有限公司 | A kind of processing method changing glass light guide plate surface tension and water droplet angle |
| CN111960689A (en) * | 2020-07-04 | 2020-11-20 | 上海博迪装饰材料有限公司 | Preparation process of antifogging toughened glass |
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Effective date of registration: 20170414 Address after: 510663 Guangdong city of Guangzhou province Kezhu economic and Technological Development Zone, Road No. 192, room 508 Patentee after: Guangzhou Mdt InfoTech Ltd Address before: 510663 Guangdong city of Guangzhou Province Economic and Technological Development Zone of Guangzhou Road No. 192 Ke Xue Cheng Ke Zhu Patentee before: Guangzhou CVT Electronics Group |
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