CN108101584A - A kind of preparation method of anti-bacteria ceramic - Google Patents
A kind of preparation method of anti-bacteria ceramic Download PDFInfo
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- CN108101584A CN108101584A CN201711453696.3A CN201711453696A CN108101584A CN 108101584 A CN108101584 A CN 108101584A CN 201711453696 A CN201711453696 A CN 201711453696A CN 108101584 A CN108101584 A CN 108101584A
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- titanium dioxide
- nanometer titanium
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
- C04B41/5116—Ag or Au
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5041—Titanium oxide or titanates
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/87—Ceramics
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/88—Metals
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Abstract
The invention discloses a kind of preparation methods of anti-bacteria ceramic, first prepare TiOSO4Solution, then titanic acid precursor is prepared, configure titanic acid solution, silver nitrate solution is added in after adjusting pH value, carry out water bath processing, obtain Ag-carried nanometer titanium dioxide colloidal sol, by commercially available conventional ceramic successively with deionized water, sodium hydroxide solution, ethanol solution supersound washing, then it is placed in Ag-carried nanometer titanium dioxide colloidal sol and impregnates 10h, takes out drying, natural cooling, it places into titanic acid-sol and impregnates 10h, drying is taken out, is repeated 4 10 times, obtains being loaded with the anti-bacteria ceramic of certain thickness Ag-carried nanometer titanium dioxide film.The present invention forms one layer of Ag-carried nanometer titanium dioxide film by chemical method on conventional ceramic surface, and ceramic surface is made to have certain anti-microbial property, has greatly application prospect and the wide market space.
Description
Technical field
The present invention relates to technical field of ceramic material, and in particular to a kind of preparation method of anti-bacteria ceramic.
Background technology
The ceramic that people use at present, such as bathtub, urinal, hand washing sink, bowl, disk and all kinds of building materials, as internal wall brick,
Brick etc. is when in use often in contact with the human body to carry disease germs, so as to be infected with and grow various pathogenic bacteria and item on these ceramic surfaces
Part pathogenic bacteria, people are easily infected after contacting, and with the progress of science and technology and the raising of living standards of the people, improve
Living environment is improved the quality of living, and treasures that the requirement of health is growing, the building of exploitation and production with antibacterial functions
Ceramics, domestic ceramics etc., which become, urgently to be solved the problems, such as.
Anti-bacteria ceramic is a kind of new function material of environmental protection, with high content of technology, it is keeping ceramic original
Using antibacterial and chemical degradation function is increased while function and decorative effect, so as to be widely used in health, medical treatment, family
Room, civilian or industrial building, have broad application prospects.
The content of the invention
The present invention is intended to provide a kind of preparation method of anti-bacteria ceramic, one layer is formed on conventional ceramic surface has certain thickness
The Ag-carried nanometer titanium dioxide film of degree, the film can make ceramic surface have certain anti-microbial property, be a kind of new
Ceramic material has greatly application prospect and the wide market space.
The object of the invention to solve the technical problems is realized using following technical scheme.It is proposed according to the present invention
A kind of anti-bacteria ceramic preparation method, including：
(1) industrial metatitanic acid is beaten, then added in the concentrated sulfuric acid that suitable mass fraction is 98%, heating is slowly stirred
It mixes, continuing heating after boiling makes it boil 20min, dissolves most of metatitanic acid, forms TiOSO4, it stands and filters after a week,
Obtain clear TiOSO4Solution；
(2) a certain amount of TiOSO is taken4Solution adjusts its pH value=6.5-7 with ammonium hydroxide, and hydrolysis obtains titanic acid precursor,
The presoma is washed with deionized, colloidal sol occurs in washing process, white titanic acid precursor is obtained by filtration；
(3) the titanic acid solution for being 0.5mol/L with deionized water configuration concentration, it is 3-4 to adjust its pH value with hydrochloric acid, so
After add in silver nitrate solution, carry out water bath processing, obtain translucent Ag-carried nanometer titanium dioxide colloidal sol；
(4) commercially available conventional ceramic in ultrasonic wave is cleaned into 10min with deionized water, then places into NaOH solution and use
It is cleaned by ultrasonic 10min, is finally placed on ethanol solution in ultrasonic wave and cleans 10min, dried；
(5) will be impregnated in step (4) treated ceramics are placed on Ag-carried nanometer titanium dioxide colloidal sol that step (3) obtains
10h, taking-up, which is placed in baking oven, dries, and after natural cooling, places into Ag-carried nanometer titanium dioxide colloidal sol and impregnates 10h, takes out and dries
It is dry, it repeats 4-10 times, obtains being loaded with the anti-bacteria ceramic of certain thickness Ag-carried nanometer titanium dioxide film.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
The preparation method of foregoing anti-bacteria ceramic, the mass concentration for the silver nitrate solution that step (3) adds in is 10%.
The preparation method of foregoing anti-bacteria ceramic, the temperature of the water bath processing described in step (3) are 80 DEG C, and the time is
1.5h。
The preparation method of foregoing anti-bacteria ceramic, the mass fraction of step (4) described NaOH solution is 10%.
The preparation method of foregoing anti-bacteria ceramic, the mass fraction of step (4) described ethanol solution is 30%.
The present invention provides a kind of preparation methods of anti-bacteria ceramic, and Ag-carried nanometer titanium dioxide is prepared by chemical method
Then colloidal sol makes conventional ceramic be immersed in the colloidal sol, drying operates repeatedly, and can form one layer on conventional ceramic surface has
Certain thickness Ag-carried nanometer titanium dioxide film, the film can make ceramic surface have certain anti-microbial property, be a kind of
New ceramic material has greatly application prospect and the wide market space.
Specific embodiment
Illustrate the present invention referring to specific embodiment.These embodiments are merely to illustrate the present invention, not with appoint
Where formula limits the scope of the invention.
Embodiment 1
(1) industrial metatitanic acid is beaten, then added in the concentrated sulfuric acid that suitable mass fraction is 98%, heating is slowly stirred
It mixes, continuing heating after boiling makes it boil 20min, dissolves most of metatitanic acid, forms TiOSO4, it stands and filters after a week,
Obtain clear TiOSO4Solution；
(2) a certain amount of TiOSO is taken4Solution adjusts its pH value=6.5-7 with ammonium hydroxide, and hydrolysis obtains titanic acid precursor,
The presoma is washed with deionized, colloidal sol occurs in washing process, white titanic acid precursor is obtained by filtration；
(3) the titanic acid solution for being 0.5mol/L with deionized water configuration concentration, it is 3-4 to adjust its pH value with hydrochloric acid, so
The silver nitrate solution that mass concentration is 10% is added in afterwards, carries out water bath processing, the temperature of water-bath is 80 DEG C, and time 1.5h is obtained
To translucent Ag-carried nanometer titanium dioxide colloidal sol；
(4) commercially available conventional ceramic is cleaned into 10min with deionized water in ultrasonic wave, then placing into mass fraction is
With 10min is cleaned by ultrasonic in 10% NaOH solution, finally it is placed on the ethanol solution that mass fraction is 30% in ultrasonic wave clearly
10min is washed, is dried；
(5) will be impregnated in step (4) treated ceramics are placed on Ag-carried nanometer titanium dioxide colloidal sol that step (3) obtains
10h, taking-up, which is placed in baking oven, dries, and after natural cooling, places into titanic acid-sol and impregnates 10h, takes out drying, repeats 4-10
It is secondary, obtain being loaded with the anti-bacteria ceramic of certain thickness Ag-carried nanometer titanium dioxide film.
The above described is only a preferred embodiment of the present invention, limitation in any form is not done to the present invention, though
So the present invention is disclosed above with preferred embodiment, however is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, technical spirit according to the invention
To any simple modification, equivalent change and modification made for any of the above embodiments, in the range of still falling within technical solution of the present invention.
Claims (5)
1. a kind of preparation method of anti-bacteria ceramic, it is characterised in that comprise the following steps：
(1) industrial metatitanic acid being beaten, then added in the concentrated sulfuric acid that suitable mass fraction is 98%, heating is slowly stirred,
Continuing heating after boiling makes it boil 20min, dissolves most of metatitanic acid, forms TiOSO4, stand and filter after a week, obtain
Clear TiOSO4Solution；
(2) a certain amount of TiOSO is taken4Solution adjusts its pH value=6.5-7 with ammonium hydroxide, and hydrolysis obtains titanic acid precursor, spends
There is colloidal sol in washing process, white titanic acid precursor is obtained by filtration in the ion water washing presoma；
(3) the titanic acid solution for being 0.5mol/L with deionized water configuration concentration, it is 3-4, Ran Houjia to adjust its pH value with hydrochloric acid
Enter silver nitrate solution, carry out water bath processing, obtain translucent Ag-carried nanometer titanium dioxide colloidal sol；
(4) commercially available conventional ceramic in ultrasonic wave is cleaned into 10min with deionized water, then placed into NaOH solution with ultrasound
10min is cleaned, is finally placed on ethanol solution in ultrasonic wave and cleans 10min, dried；
(5) 10h will be impregnated in step (4) treated ceramics are placed on Ag-carried nanometer titanium dioxide colloidal sol that step (3) obtains, taken
Go out to be placed in baking oven and dry, after natural cooling, place into Ag-carried nanometer titanium dioxide colloidal sol and impregnate 10h, take out drying, repeat
4-10 times, obtain being loaded with the anti-bacteria ceramic of certain thickness Ag-carried nanometer titanium dioxide film.
2. the preparation method of anti-bacteria ceramic as described in claim 1, it is characterised in that the silver nitrate solution that step (3) adds in
Mass concentration is 10%.
3. the preparation method of anti-bacteria ceramic as described in claim 1, it is characterised in that the temperature of the water bath processing described in step (3)
It spends for 80 DEG C, time 1.5h.
4. the preparation method of anti-bacteria ceramic as described in claim 1, it is characterised in that the quality of step (4) described NaOH solution
Fraction is 10%.
5. the preparation method of anti-bacteria ceramic as described in claim 1, it is characterised in that the quality of step (4) described ethanol solution
Fraction is 30%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711453696.3A CN108101584A (en) | 2017-12-28 | 2017-12-28 | A kind of preparation method of anti-bacteria ceramic |
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| CN201711453696.3A CN108101584A (en) | 2017-12-28 | 2017-12-28 | A kind of preparation method of anti-bacteria ceramic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113913796A (en) * | 2021-10-11 | 2022-01-11 | 成都先进金属材料产业技术研究院股份有限公司 | Method for preparing silver-containing titanium-based nano corrosion-resistant uniform film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101049961A (en) * | 2007-05-18 | 2007-10-10 | 广东省生态环境与土壤研究所 | Method for preparing sol of high active Nano titanium dioxide |
| CN102198397A (en) * | 2011-03-30 | 2011-09-28 | 中国科学院广州能源研究所 | Nano titanium dioxide (TiO2) for flue gas denitration catalyst and preparation method thereof |
| CN204687461U (en) * | 2015-05-24 | 2015-10-07 | 杭州云界生物科技有限公司 | Anti-bacteria ceramic |
-
2017
- 2017-12-28 CN CN201711453696.3A patent/CN108101584A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101049961A (en) * | 2007-05-18 | 2007-10-10 | 广东省生态环境与土壤研究所 | Method for preparing sol of high active Nano titanium dioxide |
| CN102198397A (en) * | 2011-03-30 | 2011-09-28 | 中国科学院广州能源研究所 | Nano titanium dioxide (TiO2) for flue gas denitration catalyst and preparation method thereof |
| CN204687461U (en) * | 2015-05-24 | 2015-10-07 | 杭州云界生物科技有限公司 | Anti-bacteria ceramic |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113913796A (en) * | 2021-10-11 | 2022-01-11 | 成都先进金属材料产业技术研究院股份有限公司 | Method for preparing silver-containing titanium-based nano corrosion-resistant uniform film |
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