CN202491489U - Self-cleaning glass - Google Patents
Self-cleaning glass Download PDFInfo
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- CN202491489U CN202491489U CN2011205222132U CN201120522213U CN202491489U CN 202491489 U CN202491489 U CN 202491489U CN 2011205222132 U CN2011205222132 U CN 2011205222132U CN 201120522213 U CN201120522213 U CN 201120522213U CN 202491489 U CN202491489 U CN 202491489U
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Abstract
The utility model provides self-cleaning glass which comprises float glass; the float glass comprises an air surface contacting the air; a diffusion-resistant layer and a photocatalytic layer laminated on the diffusion-resistant layer are disposed on the air surface of the float glass; the diffusion-resistant layer is a dense nanometer silica layer, and the photocatalytic layer is a anatase-type nanometer titanium oxide layer. The self-cleaning glass can reduce visible light reflection by using the diffusion-resistant layer, and thus effectively increase the whole light transmittance so as to obtain good lighting effect; and the self-cleaning function is effectively realized by using the photocatalytic layer; the photocatalytic layer is separated from the float glass body by the diffusion-resistant layer, which effectively prevent the influence on the self-cleaning function of the nanometer titanium oxide in the photocatalytic layer caused by the surface diffusion and precipitation of sodium ions in the float glass body; therefore, the self-cleaning function service life of the self-cleaning glass is effectively ensured.
Description
Technical field
The utility model relates to a kind of self-cleaning glass, is specifically related to a kind of self-cleaning glass that is formed by the float glass on-line machining.
Background technology
Glass is built graceful graceful decorative effect because its sparkling and crystal-clear permeability can be given, and is widely used in the building in modern times.Along with socioeconomic progress and to the attention of city image, people for architectural aesthetic and functionalization require increasingly high.Glass is faced with the problem that how to keep surface cleaning in the large-area applications of facade thereupon.Common way is to appoint the cleaning service high-altitude to hang cleaning, yet this method expense is higher, and has certain security risk.In addition, for solving the building glass cleaning problems, also having occurred self-cleaning glass both at home and abroad, generally is off-line processing, perhaps perhaps adopts magnetron sputtering to be coated with self-cleaning glass through sol-gal process.This self-cleaning glass is meant at common float glass surface applied one deck nanoscale anatase titanium dioxide (TiO
2) film, glass surface has Superhydrophilic and photocatalysis performance.Titanium dioxide is a kind of photocatalyst, can cause special catalytic action, and under the irradiation of this material at ultraviolet light, the electronics on the titanium atom is formed electron-hole by optical excitation; And airborne water, oxygen can be broken down into O
2-And OH
-, have extremely strong oxidizing force, can make organic matter resolve into carbon dioxide and water, the part inorganic compound of also degrading, thereby the effect that reaches sterilization, deodorizing, purifies air.TiO
2After film was excited by UV-irradiation, titanium in its structure and airborne moisture reacted and produce hydroxy-OH at titanium dioxide surface, and hydroxy-OH has Superhydrophilic.Water and nano-titanium dioxide film are superpower affine; Affinity is much larger than the affinity of general dust and dirt and glass; Moisture film floats glass surface dust, dirt thereby form very uniformly, and the very fast landing glass of moisture film is taken away glass surface dust and most of dirt simultaneously under the gravity effect; Glass surface does not stay washmarking, and glass surface is clean as new.But common float glass generally is a sodium calcium system on silicon, and the sodium ion in the glass body is easily to diffusion into the surface and separate out; Make that the function of nano-titanium oxide is weakened, the self-cleaning function limited service life, and also the production technology of this self-cleaning glass is comparatively complicated; Cost is higher, and efficient is also lower.Chinese patent CN200910082551.6 has proposed to adopt spraying coating process to prepare the method for self-cleaning glass in the float glass lehr exit; But only be to be coated with one deck nano-titanium oxide; Can not guarantee the influence that this nano oxidized titanium layer is not separated out by sodium ion; Thus, its life-span and self-cleaning effect have received test.
The utility model content
In view of this, a kind of self-cleaning glass that can solve the prior art problem is provided.
A kind of self-cleaning glass; It comprises float glass; It is characterized in that: said float glass has one and is used for the air surface that contacts with air; Said float glass air surface has one deck barrier layer and one deck is stacked and placed on the photocatalysis layer on the said barrier layer, and said photocatalysis layer is the nano oxidized titanium layer of Detitanium-ore-type.
Further, said barrier layer is fine and close nano oxidized silicon layer.
Further, the thickness of said nano oxidized silicon layer is 10 ~ 50 nanometers.
Preferably, the thickness of said nano oxidized silicon layer is 35 nanometers.
Further, the thickness of said nano oxidized titanium layer is 60 ~ 150 nanometers.
Preferably, the thickness of said nano oxidized titanium layer is 150 nanometers.
Compared to prior art; A kind of self-cleaning glass utilization barrier layer wherein that the utility model provides can reduce visible reflection of light; Promote whole light transmission rate effectively, obtain daylighting effect preferably, utilize photocatalysis layer wherein can realize self-cleaning function effectively; Said nonproliferation film is isolated with said photocatalysis layer and said float glass body simultaneously; Can avoid sodium ion in the float glass body because of to diffusion into the surface and separate out the self-cleaning function that influences nano-titanium oxide in the photocatalysis layer effectively; Thus, can guarantee the self-cleaning function life-span of said self-cleaning glass effectively.
Description of drawings
The sketch map of the self-cleaning glass that Fig. 1 provides for the utility model one embodiment.
The specific embodiment
Below will combine the accompanying drawing and the specific embodiment that the utility model is elaborated.
See also Fig. 1, the utility model one embodiment provides a kind of self-cleaning glass 10, and it is formed by float glass 11 on-line machining, and said self-cleaning glass 10 comprises float glass 11, barrier layer 13 and photocatalysis layer 15.Photocatalysis layer 15 is stacked and placed on the said barrier layer 13.
Said float glass 11 is the matrix of said self-cleaning glass 10, with common sodium calcium system on silicon glass as the glass body layer.Said float glass 11 has an air surface 111.
Said barrier layer 13 is formed on the air surface 111 of said float glass 11 with said photocatalysis layer 15 successively.Said barrier layer 13 is preferably fine and close nano oxidized silicon layer, and it has anti-reflective effect, can reduce visible reflection of light.Said photocatalysis layer 15 is preferably the nano oxidized titanium layer of Detitanium-ore-type, and it can produce the electron hole under ultraviolet excitation, have the function of automatically cleaning, sterilization, deodorization.In the present embodiment, said barrier layer 13 adopts the spraying equipment with liquid-supplying system and spray gun successively to be sputtered on the air surface 111 of said float glass 11 with said photocatalysis layer 15 in the exit of floatation glass production line annealing kiln.
Preferably, the thickness of said nano oxidized silicon layer is 10 ~ 50 nanometers, and the thickness of said nano oxidized titanium layer is 60 ~ 150 nanometers.
When being coated with said barrier layer 13 with said photocatalysis layer 15, the spray coating liquor that forms said barrier layer 13 contains the alcoholic solution that mass percent is 0.5 ~ 3.0% nano silicon oxide; The spray coating liquor that forms said photocatalysis layer 15 contains the alcoholic solution that mass percent is 0.5 ~ 2.5% anatase type nano titanium oxide.The surface temperature that said float glass 11 is online when being coated with said barrier layer 13 with said photocatalysis layer 15 is 60 ℃～150 ℃; Spray gun is 200 ~ 300mm apart from glass surface (air surface 111); The translational speed of spray gun is 0.5 ~ 2.0m/s, and be 10 ~ 30min hardening time.In the present embodiment; When being coated with said barrier layer 13 and said photocatalysis layer 15; Floatation glass production line annealing kiln exit temperature is 80 ℃, and spray gun is 300mm apart from glass surface, 75 ° of spray angles; Two spray guns are respectively with speed back and forth movement on the plate width direction of said float glass 11 of 1.5m/s, and spraying swath is superposed to 25%; The quality percentage composition that forms the spray coating liquor employing nano silicon oxide of said barrier layer 13 is 1.5% ethanolic solution, and the quality percentage composition that forms the spray coating liquor employing nano-titanium oxide of said photocatalysis layer 15 is 1.8% ethanolic solution; Hardening time 25min.
Preferably, said alcoholic solution is one or more in ethanol, isopropyl alcohol, normal propyl alcohol, ethylene glycol and the glycerine.
Said self-cleaning glass 10 successively forms barrier layer 13 and photocatalysis layer 15 on the air surface 111 of float glass 11, utilize barrier layer 13 wherein can reduce visible reflection of light, promotes whole light transmission rate effectively, obtains daylighting effect preferably; Utilize photocatalysis layer 15 wherein can realize self-cleaning function effectively.In the present embodiment; In the said self-cleaning glass 10; The thickness of barrier layer 13 is 35 nanometers; The thickness of photocatalysis layer 15 is 150 nanometers, and the light transmission rate that adopts the test of the U-4100 of Hitachi spectrophotometer to draw said self-cleaning glass 10 is 87 ~ 88%, and the surface contact angle that adopts the test of Data Physics OCA15 type surface contact angle analyzer to draw said self-cleaning glass 10 is 8 ~ 10 °.Said self-cleaning glass 10 is formed by float glass 11 on-line machining; The glass surface activity was very high, clean when float glass 11 had just gone out annealing kiln; Operations such as off-line production cleaning, oven dry can have been reduced; Directly utilize the heat of glass itself, have energy savings, the advantage that efficient is high, cost is low; Said nonproliferation film 13 is isolated with said float glass 11 bodies with said photocatalysis layer 15 simultaneously; Can avoid sodium ion in float glass 11 bodies because of to diffusion into the surface and separate out the self-cleaning function that influences nano-titanium oxide in the photocatalysis layer 15 effectively; Thus; Can solve the problem that the self-cleaning function of self-cleaning glass 11 successively decreases effectively, guarantee the self-cleaning function life-span of said self-cleaning glass 11.
Need to prove; The utility model is not limited to above-mentioned embodiment; Creative spirit according to the utility model; Those skilled in the art can also make other and change, and the variation that these are done according to the creative spirit of the utility model all should be included within the utility model scope required for protection.
Claims (6)
1. self-cleaning glass; It comprises float glass; It is characterized in that: said float glass has one and is used for the air surface that contacts with air; Said float glass air surface has one deck barrier layer and one deck is stacked and placed on the photocatalysis layer on the said barrier layer, and said photocatalysis layer is the nano oxidized titanium layer of Detitanium-ore-type.
2. self-cleaning glass as claimed in claim 1 is characterized in that, said barrier layer is fine and close nano oxidized silicon layer.
3. self-cleaning glass as claimed in claim 2 is characterized in that, the thickness of said nano oxidized silicon layer is 10 ~ 50 nanometers.
4. self-cleaning glass as claimed in claim 3 is characterized in that, the thickness of said nano oxidized silicon layer is 35 nanometers.
5. self-cleaning glass as claimed in claim 1 is characterized in that, the thickness of said nano oxidized titanium layer is 60 ~ 150 nanometers.
6. self-cleaning glass as claimed in claim 1 is characterized in that, the thickness of said nano oxidized titanium layer is 150 nanometers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205222132U CN202491489U (en) | 2011-12-13 | 2011-12-13 | Self-cleaning glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205222132U CN202491489U (en) | 2011-12-13 | 2011-12-13 | Self-cleaning glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202491489U true CN202491489U (en) | 2012-10-17 |
Family
ID=46997728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205222132U Expired - Lifetime CN202491489U (en) | 2011-12-13 | 2011-12-13 | Self-cleaning glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202491489U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731824A (en) * | 2016-01-25 | 2016-07-06 | 东莞市奥百通纳米科技有限公司 | Glass capable of eliminating reflected images |
| CN115032726A (en) * | 2022-05-19 | 2022-09-09 | 安徽立光电子材料股份有限公司 | Self-cleaning laminated body and application and preparation method thereof |
-
2011
- 2011-12-13 CN CN2011205222132U patent/CN202491489U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731824A (en) * | 2016-01-25 | 2016-07-06 | 东莞市奥百通纳米科技有限公司 | Glass capable of eliminating reflected images |
| CN105731824B (en) * | 2016-01-25 | 2021-02-23 | 东莞市奥百通纳米科技有限公司 | Glass for eliminating reflection image |
| CN115032726A (en) * | 2022-05-19 | 2022-09-09 | 安徽立光电子材料股份有限公司 | Self-cleaning laminated body and application and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XINYI GLASS IANGMEN IMITED Effective date: 20121231 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121231 Address after: 523935 Higashimura Nobuyoshironobuyoshi Glass Industrial Zone, Humen Town, Guangdong, Dongguan Patentee after: Xinyi Ultra-thin Glass (DongGuan) Co., Ltd. Patentee after: Xinyi environmental protection special glass (Jiangmen) Co., Ltd. Address before: 523935 Higashimura Nobuyoshironobuyoshi Glass Industrial Zone, Humen Town, Guangdong, Dongguan Patentee before: Xinyi Ultra-thin Glass (DongGuan) Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |