CN108911512A - A kind of formula and preparation method of the photocatalysis glaze that anatase crystal is precipitated - Google Patents
A kind of formula and preparation method of the photocatalysis glaze that anatase crystal is precipitated Download PDFInfo
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- CN108911512A CN108911512A CN201810771863.7A CN201810771863A CN108911512A CN 108911512 A CN108911512 A CN 108911512A CN 201810771863 A CN201810771863 A CN 201810771863A CN 108911512 A CN108911512 A CN 108911512A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/08—Frit compositions, i.e. in a powdered or comminuted form containing phosphorus
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2204/00—Glasses, glazes or enamels with special properties
- C03C2204/02—Antibacterial glass, glaze or enamel
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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Abstract
The invention discloses the photocatalysis glaze of anatase crystal can be precipitated in one kind formulas and preparation method, belong to ceramic technology field；The photocatalysis glaze is grouped as by the group of following parts by weight：10-12 parts of TiO2, 48-50 parts of SiO2, 2-4 parts of Al2O3, 16-18 parts of B2O3, 7.5-9 parts of Na2O, 6-7.5 parts of K2O, 1-3 parts of MgO, 1-3 parts of P2O5, 1 part of fluorine（F）, the glaze of above-mentioned formula is burnt into frit, up to fritted glaze after ground 200 mesh sieve drying.The present invention is directly by TiO2It is added in fritted glaze, anatase crystal has successfully been precipitated when glaze melt is cooling, has theoretically been beneficial to photocatalytic activity.
Description
Technical field
The invention belongs to ceramic technology fields, and in particular to one kind can be precipitated anatase crystal photocatalysis glaze formula and
Preparation method.
Background technique
From Fujishima in TiO2On electrode find water can by photodissociation at hydrogen and oxygen since, TiO2As a kind of heavy
The catalysis material wanted has been widely used in fields such as sterilization, pollutant process.TiO2Light-catalyzed reaction essence
It is a kind of green, energy conservation, environmentally friendly redox reaction, therefore TiO2A kind of environmentally friendly material, have it is nontoxic, surely
Calmly, the features such as at low cost.
TiO2There are mainly three types of crystal：Anatase, rutile, brockite.Wherein, people are for rutile and Detitanium-ore-type
TiO2Study more, however rutile is since forbidden bandwidth is lower and the higher reason of electron-hole recombination rate, photocatalysis
Activity wants far short of what is expected compared to anatase crystal, thus industrial generally with anatase degradation of contaminant.The energy band of anatase crystal
Gap is 3.2eV, and the ultraviolet light lower than 387.5nm theoretically can be absorbed.
Detitanium-ore-type TiO2Generally mutually become rutile at 500-700 DEG C.Due to traditional ceramics sintering temperature generally all
At 1100 DEG C or more, anatase is generally difficult to be stabilized in ceramic glaze.
For the phase transformation for inhibiting anatase, the anatase powder being modified usually industrially is coated on glaze paint low temperature calcination again
It is immobilized, however the coating of this method preparation and glaze paint suitability are bad, coating is easy to wear to fall off, and service life and ceramics mismatch,
Unfavorable practical application.
Summary of the invention
It is an object of the invention to find a kind of formula and method, enable the fritted glaze obtained the directly precipitation in firing
Anatase crystal obtains a kind of good and wear-resisting ceramic glaze of photocatalysis performance to avoid the problem that later period film is brought.
The purpose of the invention is achieved by the following technical solution.
A kind of formula for the photocatalysis glaze that anatase crystal is precipitated, is grouped as by the group of following parts by weight：10-12 parts
TiO2, 48-50 parts of SiO2, 2-4 parts of Al2O3, 16-18 parts of B2O3, 7.5-9 parts of Na2O, 6-7.5 parts of K2O, 1-3 parts of MgO, 1-3 parts
P2O5, 1 part of fluorine（F）.
Preferably, photocatalysis glaze is prepared by the way of fritted glaze.
The preparation method of the photocatalysis glaze of anatase crystal can be precipitated in above-described one kind, include the following steps：
1）It is weighed by formula raw material；
2）Load weighted raw material ball milling is uniformly mixed, mixture is obtained；
3）The mixture is packed into corundum crucible, is put into Muffle furnace, is warming up to 1300-1500 DEG C of heat preservation；
4）Corundum crucible is taken out from Muffle furnace, and high-temperature glass liquid is poured into water quenching；
5）Glass dregs after cooling are taken out, in the ball mill ball milling, is sieved, takes minus mesh to dry, obtain fritted glaze, is i.e. light is urged
Change glaze.
Preferably, step 2）The time of the ball milling mixing is 10-30min.
Preferably, step 3）The rate of the heating is 5-10 DEG C/min.
Preferably, step 3）The time of the heat preservation is 1-2h.
Preferably, step 5）The sieving was 200 mesh sieve.
Compared with the existing technology, the present invention has the following advantages and beneficial effect：
The present invention is directly by TiO2It is mixed into glaze and melts, imposed on matrix surface later, the method for avoiding secondary film,
One side simple process；On the one hand new thinking is provided for the preparation of anatase crystal glaze.
Detailed description of the invention
Fig. 1 is the XRD spectrum of frit prepared by embodiment 2.
Fig. 2 is the XRD spectrum of glaze paint after embodiment 2 is burnt into.
Specific embodiment
Method of the invention will be further described by specific example below, but the present invention is not limited only to the reality
Apply example.
Embodiment 1
A kind of formula of the photocatalysis glaze of anatase crystallization of the invention, the component including following weight composition:By 10 parts of TiO2,
50 parts of SiO2, 2 parts of Al2O3, 18 parts of B2O3, 7.5 parts of Na2O, 7.5 parts of K2O, 1 part of MgO, 3 parts of P2O5, 1 part of fluorine（F）Mixing.
Preparation step：
（1）It is weighed by formula raw material；
（2）By load weighted raw material ball milling mixing, mixing time 10min；
（3）Mixture is packed into corundum crucible, is put into Muffle furnace, rises to 1300 DEG C with the heating rate of 10 DEG C/min, heat preservation
2h；
（4）Crucible is taken out from furnace, and high-temperature glass liquid is poured into water rapidly quenching；
（5）Glass dregs after cooling are taken out, in the ball mill ball milling, crosses 200 mesh sieve, take minus mesh to dry, obtain frit
Glaze.
After fritted glaze made from the present embodiment keeps the temperature 20min at 1180 DEG C, after the cooling 3min of air, at 750 DEG C
Keep the temperature 20min.By XRD spectra it can be found that more anatase crystal and micro rutile have been precipitated in glaze paint.Compared to film
Method, glaze layer is closer in conjunction with matrix, more matches with the matrix service life.
Embodiment 2
A kind of formula of the photocatalysis glaze of anatase crystallization of the invention, the component including following weight composition:By 12 parts of TiO2,
48 parts of SiO2, 2 parts of Al2O3, 18 parts of B2O3, 7.5 parts of Na2O, 7.5 parts of K2O, 1 part of MgO, 3 parts of P2O5, 1 part of fluorine（F）Mixing.
Preparation step：
（1）It is weighed by formula raw material；
（2）By load weighted raw material ball milling mixing, mixing time 30min；
（3）Mixture is packed into corundum crucible, is put into Muffle furnace, rises to 1500 DEG C with the heating rate of 5 DEG C/min, heat preservation
1h；
（4）Crucible is taken out from furnace, and high-temperature glass liquid is poured into water rapidly quenching；
（5）Glass dregs after cooling are taken out, in the ball mill ball milling, crosses 200 mesh sieve, take minus mesh to dry, obtain frit
Glaze.
As shown in Figure 1, not finding any crystal peak in the fritted glaze that the present embodiment obtains, illustrate that raw material has been melted
Entirely；Such as Fig. 2, after fritted glaze obtained keeps the temperature 20min at 1180 DEG C, after the cooling 2min of air, kept the temperature at 750 DEG C
20min.After glaze paint firing, anatase crystal has successfully been precipitated.Conducive to the raising of wearability.
Embodiment 3
The formula of photocatalysis glaze containing anatase crystal of the invention, the component including following weight composition:It forms by weight
Component, by 12 parts of TiO2, 48 parts of SiO2, 4 parts of Al2O3, 16 parts of B2O3, 9 parts of Na2O, 6 parts of K2O, 3 parts of MgO, 1 part of P2O5, 1 part
Fluorine（F）Mixing.
Preparation step：
（1）It is weighed by formula raw material；
（2）By load weighted raw material ball milling mixing, mixing time 20min；
（3）Mixture is packed into corundum crucible, is put into Muffle furnace, rises to 1450 DEG C with the heating rate of 10 DEG C/min, heat preservation
1.5h；
（4）Crucible is taken out from furnace, and high-temperature glass liquid is poured into water rapidly quenching；
（5）Glass dregs after cooling are taken out, in the ball mill ball milling, crosses 200 mesh sieve, take minus mesh to dry, obtain frit
Glaze.
After fritted glaze made from the present embodiment keeps the temperature 20min at 1180 DEG C, after the cooling 2.5min of air, in 750 DEG C
Lower heat preservation 20min.It is detected and is found by XRD, more anatase crystal and micro rutile has been precipitated in glaze paint.Compared to film side
Method, glaze layer is closer in conjunction with matrix, more matches with the matrix service life.
Above-described embodiment only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art couple
Some variations that certain parts therein may be made embody the principle of the present invention, belong to the scope of protection of the present invention it
It is interior.
Claims (7)
1. the formula that the photocatalysis glaze of anatase crystal can be precipitated in one kind, which is characterized in that be grouped as by the group of following parts by weight：
10-12 parts of TiO2, 48-50 parts of SiO2, 2-4 parts of Al2O3, 16-18 parts of B2O3, 7.5-9 parts of Na2O, 6-7.5 parts of K2O, 1-3 parts of MgO,
1-3 parts of P2O5, 1 part of F.
2. the formula that the photocatalysis glaze of anatase crystal can be precipitated in one kind according to claim 1, which is characterized in that light is urged
Change glaze to prepare by the way of fritted glaze.
3. the method for photocatalysis glaze of anatase crystal can be precipitated by preparing one kind of any of claims 1 or 2, it is characterised in that,
Include the following steps：
1）It is weighed by formula raw material；
2）Load weighted raw material ball milling is uniformly mixed, mixture is obtained；
3）The mixture is packed into corundum crucible, is put into Muffle furnace, is warming up to 1300-1500 DEG C of heat preservation；
4）Corundum crucible is taken out from Muffle furnace, and high-temperature glass liquid is poured into water quenching；
5）Glass dregs after cooling are taken out, in the ball mill ball milling, is sieved, takes minus mesh to dry, obtain fritted glaze, is i.e. light is urged
Change glaze.
4. preparation method according to claim 3, which is characterized in that step 2）The time of the ball milling mixing is 10-
30min。
5. preparation method according to claim 3, which is characterized in that step 3）The rate of the heating be 5-10 DEG C/
min。
6. preparation method according to claim 3, which is characterized in that step 3）The time of the heat preservation is 1-2h.
7. preparation method according to claim 3, which is characterized in that step 5）The sieving was 200 mesh sieve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771863.7A CN108911512A (en) | 2018-07-13 | 2018-07-13 | A kind of formula and preparation method of the photocatalysis glaze that anatase crystal is precipitated |
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|---|---|---|---|
| CN201810771863.7A CN108911512A (en) | 2018-07-13 | 2018-07-13 | A kind of formula and preparation method of the photocatalysis glaze that anatase crystal is precipitated |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323540A (en) * | 2008-07-28 | 2008-12-17 | 广东三水大鸿制釉有限公司 | Glaze capable of releasing negative ion, preparation and use method thereof |
| US20110129784A1 (en) * | 2009-11-30 | 2011-06-02 | James Crawford Bange | Low thermal expansion doped fused silica crucibles |
-
2018
- 2018-07-13 CN CN201810771863.7A patent/CN108911512A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323540A (en) * | 2008-07-28 | 2008-12-17 | 广东三水大鸿制釉有限公司 | Glaze capable of releasing negative ion, preparation and use method thereof |
| US20110129784A1 (en) * | 2009-11-30 | 2011-06-02 | James Crawford Bange | Low thermal expansion doped fused silica crucibles |
Non-Patent Citations (1)
| Title |
|---|
| 梁梦林等: "含二氧化钛纳米晶搪瓷釉的微观结构及其性能", 《玻璃与搪瓷》 * |
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Application publication date: 20181130 |