CN104258729A - Base material with photocatalyst layer and manufacturing method thereof - Google Patents
Base material with photocatalyst layer and manufacturing method thereof Download PDFInfo
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- CN104258729A CN104258729A CN201410431081.0A CN201410431081A CN104258729A CN 104258729 A CN104258729 A CN 104258729A CN 201410431081 A CN201410431081 A CN 201410431081A CN 104258729 A CN104258729 A CN 104258729A
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- base material
- photochemical catalyst
- main body
- photocatalyst
- manufacture method
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Abstract
The invention discloses a base material with a photocatalyst layer. The basic material comprises a base material body and a photocatalyst layer, which is made of photocatalyst and is attached on the base material body through an adhesive layer. The manufacturing method comprises the following steps: (1) mixing a photocatalyst and water under a normal pressure at a room temperature so as to obtain a photocatalyst suspending liquid; (2) evenly painting an adhesive on a base material body, and then drying the base material body in highly-damp environment; (3) evenly painting the photocatalyst suspending liquid obtained in the step (1) on the base material body, heating, and cleaning the heated base material body. Solid photocatalyst powder is fixed on a base material through a special adhesive, so the original characteristics of photocatalyst powder are maintained and not affected by the processing mediums. Furthermore, the provided base material can be directly placed in environment to be processed to carry out a purification treatment, and after the purification treatment is finished, the base material can be conveniently removed from the environment.
Description
Technical field
The present invention relates to a kind of scavenging material, be specifically related to a kind of base material containing photocatalyst layer, can be directly or indirectly applied to depollution of environment field, with the organic pollution materials in decomposition water and in air; In addition, the invention still further relates to a kind of manufacture method of described base material.
Background technology
Light catalytic purifying is that the redox ability had under photon effect based on photochemical catalyst purifies the pollutant removed in environment, there is reaction condition gentleness, secondary pollution is little, operating cost is low and the advantage such as good purification, is particularly suitable for the purified treatment of room air.But, because photochemical catalyst is mostly in powdered form, if it is directly placed in pending environment to carry out purified treatment, as directly put into water body purification process in water, after having purified, how by photochemical catalyst from environment, as separated completely in water body, but very difficult.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of base material containing photochemical catalyst is provided, by means of inorganic glue, the photochemical catalyst of powdered form is adhesively fixed on a base material, can removes from environment easily after purified treatment completes.Another object of the present invention is to the manufacture method that a kind of described base material is provided.
For achieving the above object, the present invention is by the following technical solutions:
A base material containing photocatalyst layer, is comprised material main body and is attached to the photocatalyst layer formed in material main body, by photochemical catalyst by adhesive layer.
Preferably: described material main body be surface have wellability, can the material of resistance to 120-500 DEG C high temperature.
Preferably: described adhesive layer is inorganic adhesive layer, and its thickness is 0.01-0.025mm.
Preferably: the thickness of described photocatalyst layer is 0.01-0.03mm, the particle diameter of described photochemical catalyst is 5-20nm.
Another object of the present invention, a kind of manufacture method of the base material as mentioned above containing photocatalyst layer, comprises the following steps:
1) photocatalyst powder and water are carried out being mixed and made into photochemical catalyst suspension under normal temperature and pressure;
2) under normal temperature, adhesive is spread evenly across in material main body, then by the mummification 3 ~ 10 minutes under high humidity environment of this material main body;
3) by step 1) in photochemical catalyst suspension be spread evenly across after in material main body and heat, heated rear cleaning material main body.
Preferably: step 1), the mass ratio of described photochemical catalyst and water is 1:0.5 ~ 2.
Preferably: described photochemical catalyst is one or more in titanium dioxide, zinc oxide and tin oxide, and its particle diameter is 5-20nm.
Preferably: described step 2), the absolute humidity of mummification environment is greater than 10g/m
3and relative humidity is 45% ~ 90%.
Preferably: described material main body be surface have wellability, can the material of resistance to 120-500 DEG C; Described adhesive is inorganic adhesive, and its coating thickness on base material is 0.01-0.025mm.
Preferably: described step 3), the coating thickness of described photochemical catalyst suspension is 0.01-0.03mm; Described heating process comprises: the base material being coated with photochemical catalyst suspension prior to 80 ~ 90 DEG C at heating 1 ~ 3 hour, then heat 1 ~ 3 hour at 120 ~ 130 DEG C or heat 3 ~ 5 minutes at 450 ~ 500 DEG C.
Beneficial effect of the present invention is, solid-state photochemical catalyst is fixed on a base material by specific inorganic adhesive by the present invention, while maintenance photochemical catalyst primary characteristic, the environment base material containing photocatalyst layer also can being convenient to directly to be placed in process to be clean carries out purified treatment, be not subject to the impact of place and treatment media, and after having purified, can easily the base material containing photocatalyst layer be removed from environment.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the base material containing photocatalyst layer of the present invention.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the specific embodiment of the present invention is described further.
As shown in Figure 1, base material containing photocatalyst layer of the present invention, comprise material main body 1, and the photocatalyst layer 3 formed in material main body 1, by photochemical catalyst 31 is attached to by adhesive layer 2, wherein, described material main body 1 is surface is wellability, can the material of resistance to 120-500 DEG C high temperature, as: pottery or through surface treatment as strong acid corrosion rear surface has infiltrating metal material; Described adhesive layer 2 is inorganic adhesive layer, and its thickness is 0.01-0.025mm; Described photochemical catalyst 31 is one or more in titanium dioxide, zinc oxide and tin oxide, and its particle diameter is 5-20nm.
The manufacture method of the base material containing photocatalyst layer of the present invention, comprises the following steps:
1) photochemical catalyst and water are carried out being mixed and made into photochemical catalyst suspension under normal temperature and pressure;
2) under normal temperature, adhesive is spread evenly across in material main body, then this base material is placed in mummification under high humidity environment;
3) by step 1) in photochemical catalyst suspension be spread evenly across after on body base material and heat, heated rear cleaning base material.
Wherein, described step 1) in, described photocatalyst powder mixes for 1:0.5 ~ 2 in mass ratio with water, and described photocatalyst powder is one or more in titanium dioxide, zinc oxide and tin oxide, and its particle diameter is 5-20nm; Described step 2) in, ambient humidity (absolute humidity) > 10g/m
3, relative humidity is 45% ~ 90%, and described adhesive is inorganic adhesive, preferred silicate inorganic adhesive and/or phosphate inorganic adhesive, and its coating thickness in material main body is 0.01-0.025mm; Described base material preferred surface be wellability, can the material of resistance to 120-500 DEG C high temperature, as: pottery and through surface treatment as strong acid corrosion rear surface has infiltrating metal material; Described step 3) in, the coating thickness of photochemical catalyst suspension is 0.01-0.03mm, described heating process comprises: the base material being coated with photochemical catalyst suspension prior to 80 ~ 90 DEG C at heating 1 ~ 3 hour, then heat 1 ~ 3 hour at 120 ~ 130 DEG C or heat 3 ~ 5 minutes at 450 ~ 500 DEG C.
Embodiment 1
A manufacture method for base material containing photocatalyst layer, comprises following manufacturing step:
1) be that the titania powder of 5nm and water carry out being uniformly mixed by the mass ratio of 1:1 and makes uniform photochemical catalyst suspension under normal temperature and pressure by particle diameter;
2) under normal temperature, silicate inorganic adhesive is spread evenly across in material main body and forms the adhesive layer that thickness is 0.02mm, wherein, described material main body has infiltrating metal aluminium for surperficial through strong acid corrosion treatmentCorrosion Science rear surface, and then the metal aluminium being coated with inorganic adhesive being placed in absolute humidity is 18g/m
3, relative humidity is mummification 3 minutes under the environment of 50%,
3) by step 1) in photochemical catalyst suspension be spread evenly across base material adhesive layer on form the photocatalyst layer that thickness is 0.03mm, and heat 1 hour at 80 DEG C, then heat at 120 DEG C after 1 hour, namely cleaning base material obtains the base material containing photocatalyst layer of the present invention.
According to the base material containing photocatalyst layer that the manufacture method described in embodiment 1 obtains, it has structure as shown in Figure 1, comprises aluminium base 1, and is attached to the titanium dioxide photocatalyst layers 3 on aluminium base 1 by inorganic adhesive layer 2.
Embodiment 2
A manufacture method for base material containing photocatalyst layer, comprises following manufacturing step:
1) be that the stannic oxide powder of 15nm and water carry out being uniformly mixed by the mass ratio of 1:1.5 and makes uniform photochemical catalyst suspension under normal temperature and pressure by particle diameter;
2) under normal temperature, be spread evenly across by phosphate inorganic adhesive in material main body and form the adhesive layer that thickness is 0.015mm, wherein, described material main body is pottery, and then the pottery being coated with inorganic adhesive being placed in absolute humidity is 20g/m
3, relative humidity is mummification 5 minutes under the environment of 75%,
3) by step 1) in photochemical catalyst suspension be spread evenly across base material adhesive layer on form the photocatalyst layer that thickness is 0.02mm, and heat 2 hours at 85 DEG C, then heat at 500 DEG C after 3 minutes, namely cleaning base material obtains the base material containing photocatalyst layer of the present invention, its structure as shown in Figure 1, comprise ceramic base material 1, and be attached to the tin oxide photocatalyst layer 3 on ceramic base material 1 by inorganic adhesive layer 2.
The base material containing photocatalyst layer obtained to above-described embodiment 1 according to GB/T 5210-2006/ISO4624:2002 " paint and varnish pulls open method adhesion test " carries out bond strength test, and it tests display: the bond strength of titanium dioxide optical catalyst and aluminium base is greater than 1.8kg/cm
2.
Photocatalysis effect is tested
It is (absorbance at 665nm place is 0.2088) in the methylene blue solution of 0.0856ppm that the aluminium base (60 × 60mm) containing titanium dioxide photocatalyst layers obtained for above-described embodiment 1 is positioned over 200ml concentration, and with the uviol lamp that two wavelength are 254nm, it is irradiated, after one hour, methylene blue solution reduces to 0.0049 in the absorbance at 665nm place.
The present invention is by preferred embodiment having carried out detailed explanation.But, by studying carefully above, to the change of each embodiment with to increase also be that those skilled in the art institute is apparent.Being intended that all these changes and increasing of applicant has all dropped in the protection domain of the claims in the present invention.
Claims (10)
1. the base material containing photocatalyst layer, be is characterized in that: comprise material main body and be attached to the photocatalyst layer formed in material main body, by photochemical catalyst by adhesive layer.
2. base material according to claim 1, is characterized in that: described material main body be surface have wellability, can the material of resistance to 120-500 DEG C high temperature.
3. base material according to claim 1, is characterized in that: described adhesive layer is inorganic adhesive layer, and its thickness is 0.01-0.025mm.
4. base material according to claim 1, is characterized in that: the thickness of described photocatalyst layer is 0.01-0.03mm, and the particle diameter of described photochemical catalyst is 5-20nm.
5. a manufacture method for the base material containing photocatalyst layer as described in claim 1-4 any one, is characterized in that, comprise the following steps:
1) photocatalyst powder and water are carried out being mixed and made into photochemical catalyst suspension under normal temperature and pressure;
2) under normal temperature, adhesive is spread evenly across in material main body, then by the mummification 3 ~ 10 minutes under high humidity environment of this material main body;
3) by step 1) in photochemical catalyst suspension be spread evenly across after in material main body and heat, heated rear cleaning material main body.
6. manufacture method according to claim 5, is characterized in that: step 1) in, the mass ratio of described photochemical catalyst and water is 1:0.5 ~ 2.
7. the manufacture method according to claim 5 or 6, is characterized in that: described photochemical catalyst is one or more in titanium dioxide, zinc oxide and tin oxide, and its particle diameter is 5-20nm.
8. manufacture method according to claim 5, is characterized in that: described step 2) in, the absolute humidity of mummification environment is greater than 10g/m
3and relative humidity is 45% ~ 90%.
9. manufacture method according to claim 5, is characterized in that: described material main body be surface have wellability, can the material of resistance to 120-500 DEG C; Described adhesive is inorganic adhesive, and its coating thickness on base material is 0.01-0.025mm.
10. manufacture method according to claim 5, is characterized in that: described step 3) in, the coating thickness of described photochemical catalyst suspension is 0.01-0.03mm; Described heating process comprises: the base material being coated with photochemical catalyst suspension prior to 80 ~ 90 DEG C at heating 1 ~ 3 hour, then heat 1 ~ 3 hour at 120 ~ 130 DEG C or heat 3 ~ 5 minutes at 450 ~ 500 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410431081.0A CN104258729A (en) | 2014-08-28 | 2014-08-28 | Base material with photocatalyst layer and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410431081.0A CN104258729A (en) | 2014-08-28 | 2014-08-28 | Base material with photocatalyst layer and manufacturing method thereof |
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|---|---|
| CN104258729A true CN104258729A (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410431081.0A Pending CN104258729A (en) | 2014-08-28 | 2014-08-28 | Base material with photocatalyst layer and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108190996A (en) * | 2018-01-03 | 2018-06-22 | 京东方科技集团股份有限公司 | A kind of degradation module and cleaning equipment |
| CN108300088A (en) * | 2017-10-13 | 2018-07-20 | 赵思嘉 | Purify the preparation method of air surface coating |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050129591A1 (en) * | 2003-12-16 | 2005-06-16 | Di Wei | Bifunctional layered photocatalyst/thermocatalyst for improving indoor air quality |
| CN1668378A (en) * | 2002-07-19 | 2005-09-14 | 伏见株式会社 | Photocatalyst-containing base material |
| CN1888311A (en) * | 2005-06-29 | 2007-01-03 | 上商株式会社 | Wall material with zeolite layer at surface and wall material adhered with porous substance layer on surface |
-
2014
- 2014-08-28 CN CN201410431081.0A patent/CN104258729A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668378A (en) * | 2002-07-19 | 2005-09-14 | 伏见株式会社 | Photocatalyst-containing base material |
| US20050129591A1 (en) * | 2003-12-16 | 2005-06-16 | Di Wei | Bifunctional layered photocatalyst/thermocatalyst for improving indoor air quality |
| CN1888311A (en) * | 2005-06-29 | 2007-01-03 | 上商株式会社 | Wall material with zeolite layer at surface and wall material adhered with porous substance layer on surface |
Non-Patent Citations (2)
| Title |
|---|
| 方世杰等: ""纳米TiO2光催化降解甲基橙"", 《硅酸盐学报》 * |
| 鄂磊等: ""固载粘结剂对二氧化钛光催化性能的影响"", 《硅酸盐学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108300088A (en) * | 2017-10-13 | 2018-07-20 | 赵思嘉 | Purify the preparation method of air surface coating |
| CN108190996A (en) * | 2018-01-03 | 2018-06-22 | 京东方科技集团股份有限公司 | A kind of degradation module and cleaning equipment |
| CN108190996B (en) * | 2018-01-03 | 2020-11-17 | 京东方科技集团股份有限公司 | Degradation module and cleaning equipment |
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