CN1139556C - Productive technology for sintering titanium dioxide film on ceramic surface - Google Patents

Productive technology for sintering titanium dioxide film on ceramic surface Download PDF

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Publication number
CN1139556C
CN1139556C CNB991173627A CN99117362A CN1139556C CN 1139556 C CN1139556 C CN 1139556C CN B991173627 A CNB991173627 A CN B991173627A CN 99117362 A CN99117362 A CN 99117362A CN 1139556 C CN1139556 C CN 1139556C
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China
Prior art keywords
titanium dioxide
face
kiln
ceramic
baked
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CNB991173627A
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CN1295990A (en
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柯玉章
杨科瑶
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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
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)

Abstract

The present invention discloses the manufacturing technique for baking a titanium dioxide film surface on ceramics, which is orderly carried out by the steps: preparing liquid films, cleaning carriers, coating formed films, entering a kiln for calcining, discharging from the kiln and cooling. The present invention is characterized in that inorganic TiO2 is baked on the surface of the ceramics to form a firm titanium dioxide film surface layer, and to have strong light catalytic action even under weak light. The present invention has the effects of pollution prevention, odor prevention, bacteria resistance (sterilization) and scale removal, particularly has optimal effects on purifying and processing water, is suitable for industries of medical sanitation, environmental protection, food industries and tap water, and has obvious social benefits, economic benefits and environmental protection benefits.

Description

On pottery, bake the preparation method of titanium dioxide face
The present invention relates to ceramic firing technology, the technology that bakes of ceramic surface rete particularly specifically bakes the preparation method of titanium dioxide face on pottery.
High speed development along with Chinese national economy and urban construction health protection, all trades and professions are more and more big to the demand of floor tile, wall tile and ceramic sanitary appliance goods, a large amount of ceramics enter the common people other, living-hygienic condition has played huge effect to creating health civilized city, beautify the environment and improve at home for this.However, the also easy residual dirty spot of ceramic tile surface and the stain that use in family kitchen, toilet, nourish the breeding bacterium, can make ceramic tile surface dirty even mouldy smelly, particularly directly influence the ceramic that uses in the healthy special industry of people in hospital, foodstuff manufacturing, waterworks and sewage disposal etc., if nourish the breeding bacterium at residual dirty spot of employed ceramic tile surface and stain, can have a strong impact on the healthy of the people.Chinese patent: CN1149039A discloses the patent of invention that a kind of name is called " anti-bacteria ceramic and production method thereof ", it is the mode by gas deposition in stove, with antibacterial metal (for example silver or copper) securely attached to ceramic surface, make ceramic surface have anti-microbial effect, because this anti-bacteria ceramic uses expensive metal, cause the ceramic tile production cost sharply to increase, the general user is difficult to accept, and it is lower that present this antibiotic ceramic tile is promoted the use of popularity rate.Put down in writing according to " world inventions " (China Newspaper Office of Patent Right's publication) total the 161st phase " antibiotic ceramic tile " and the document of total the 179th phase " glassware of energy purified tap water ": titanium oxide is a kind of to the nontoxic white powder mineral compound of human body, under illumination, can cause photochemical reaction, photocatalyst effect with water of decomposition, has good antifouling, mildew-resistant, deodorizing antibiotic (sterilization) effect, but it was pulverous material originally, can not directly bake on the pottery surface, Japan TOTO company uses the thin film of titanium oxide photocatalyst technology, powerful antibiotic (sterilization) ceramic tile and sanitary ware have been developed in the world first, it is at ceramic tile with dimerization titanium liquid spray (or spraying plating), the surface of sanitary ware, and then fired, this organic titanium photocatalyst layer can be fixed on the surface of ceramic tile or pottery.Japan Nagoya Industrial Technology Research Institute reacts with expensive metal titanium and alcohol, generate a kind of alcoxides that is called titanium, this organic titanium metal adds the entry meeting makes it become liquid, this liquid that contains the organic titanium metal immerses glass wherein and sintering in addition, can be made into the glassware of the titanium dioxide film of weather resistance.Up to now, do not see as yet can will have fabulous antibiotic (sterilization) effect and the very cheap inorganic titania powder of price directly bake bibliographical information on the ceramic surface.
The objective of the invention is to propose on the basis of existing technology a kind of preparation method who on pottery, bakes the titanium dioxide face.
The objective of the invention is to be achieved through the following technical solutions:
A kind of preparation method who on pottery, bakes the titanium dioxide face, it makes to apply by following prescription uses film liquid:
The composition of raw materials of film liquid (by weight):
TiO 21 part; NaHCO 30.01～0.03 part;
H 22～5 parts of O; CuSO 45H 20.04～0.06 part of O;
After weighing, put into the abundant stirring of container and promptly make film liquid.
Carry out according to the following steps successively:
1. clean carrier: the ceramic monolith cleaning surfaces decontamination that need is baked the titanium dioxide face;
2. apply film forming: the film liquid of preparation evenly is coated on the ceramic monolith surface of having cleaned decontamination forms face, coated weight is: 1～4 milligram of every square centimeter of titanium dioxide coating; Can adopt artificial coating, also can adopt the mode of spray gun spraying;
3. kiln-firing: the ceramic monolith that will form face is sent into and is baked face in the kiln, control firing temperature: 600～900 ℃, firing time: 20～40 minutes;
4. kiln discharge cooling: promptly make the ceramic product that bakes the titanium dioxide face;
The present invention uses TiO 2, NaHCO 3, CuSO 45H 2O and H 2O prepares film forming liquid and it is coated in the ceramic monolith surface, the NaHCO of trace in the film liquid 3And CuSO 45H 2The O composition can improve adsorption, can be with inorganic TiO 2Be adsorbed on the ceramic monolith surface, form on the ceramic monolith surface and contain inorganic TiO 2Fine and close face, send in the kiln and bake, can make ceramic tile or ceramic with titanium dioxide face, ceramic tile that the method that proposes with the present invention is produced or ceramic surface with titanium dioxide face firmly, difficult drop-off.Can not adhere to residual dirty spot, stain,, have the photocatalyst effect of intensive water of decomposition, fabulous antifouling, mildew-resistant, deodorizing and antibiotic (sterilization) effect are arranged even under low-light, photochemical reaction can take place yet.Particularly use it for water purification and handle, have splendid decontamination effect improving, can make three fontanels that mix in the water become nontoxic carbonic acid gas and hydrogen ion for impurity such as methane, trichloromethane, monochloroethane, agricultural chemicals, bacterium decompose.Technology of the present invention is simple, manufacture easily, and production cost is low, have huge social effects such as remarkable economic efficiency and environmentally-friendly sanitary epidemic prevention.
Accompanying drawing is a process flow sheet of the present invention.
The present invention is further illustrated below in conjunction with accompanying drawing:
Embodiment one:
A kind of preparation method who on pottery, bakes the titanium dioxide face, it makes to apply by following prescription uses film liquid:
The composition of raw materials of film liquid (by weight):
TiO 21 part; NaHCO 30.01 part;
H 22 parts of O; CuSO 45H 20.04 part of O;
After weighing, put into the abundant stirring of container and promptly make film liquid.
Carry out according to the following steps successively:
1. clean carrier: the ceramic monolith cleaning surfaces decontamination that need is baked the titanium dioxide face;
2. apply film forming: the film liquid of preparation evenly is coated on the ceramic monolith surface of having cleaned decontamination forms face, coated weight is: 1 milligram of every square centimeter of titanium dioxide coating; Can adopt artificial coating, also can adopt the mode of spray gun spraying;
3. kiln-firing: the ceramic monolith that will form face is sent into and is baked face in the kiln, control firing temperature: 600 ℃, firing time: 20 minutes;
4. kiln discharge cooling: promptly make the ceramic product that bakes the titanium dioxide face;
Embodiment two:
A kind of preparation method who on pottery, bakes the titanium dioxide face, it makes to apply by following prescription uses film liquid:
The composition of raw materials of film liquid (by weight):
TiO 21 part; NaHCO 30.02 part;
H 23 parts of O; CuSO 45H 20.05 part of O;
After weighing, put into the abundant stirring of container and promptly make film liquid.
Carry out according to the following steps successively:
1. clean carrier: the ceramic monolith cleaning surfaces decontamination that need is baked the titanium dioxide face;
2. apply film forming: the film liquid of preparation evenly is coated on the ceramic monolith surface of having cleaned decontamination forms face, coated weight is: 2 milligrams of every square centimeter of titanium dioxide coating; Can adopt artificial coating, also can adopt the mode of spray gun spraying;
3. kiln-firing: the ceramic monolith that will form face is sent into and is baked face in the kiln, control firing temperature: 750 ℃, firing time: 30 minutes;
4. kiln discharge cooling: promptly make the ceramic product that bakes the titanium dioxide face;
Embodiment three:
A kind of preparation method who on pottery, bakes the titanium dioxide face, it makes to apply by following prescription uses film liquid:
The composition of raw materials of film liquid (by weight):
TiO 21 part; NaHCO 30.03 part;
H 25 parts of O; CuSO 45H 20.06 part of O;
After weighing, put into the abundant stirring of container and promptly make film liquid.
Carry out according to the following steps successively:
1. clean carrier: the ceramic monolith cleaning surfaces decontamination that need is baked the titanium dioxide face;
2. apply film forming: the film liquid of preparation evenly is coated on the ceramic monolith surface of having cleaned decontamination forms face, coated weight is: 4 milligrams of every square centimeter of titanium dioxide coating; Can adopt artificial coating, also can adopt the mode of spray gun spraying;
3. kiln-firing: the ceramic monolith that will form face is sent into and is baked face in the kiln, control firing temperature: 900 ℃, firing time: 40 minutes;
4. kiln discharge cooling: promptly make the ceramic product that bakes the titanium dioxide face.

Claims (1)

1. bake the preparation method of titanium dioxide face on pottery, it carries out successively according to the following steps:
1. clean carrier: the ceramic monolith cleaning surfaces decontamination that need is baked the titanium dioxide face;
2. apply film forming: the film liquid of preparation evenly is coated on the ceramic monolith surface of having cleaned decontamination forms face, coated weight is: 1～4 milligram of every square centimeter of titanium dioxide coating;
3. kiln-firing: the ceramic monolith that will form face is sent into and is baked face in the kiln, control firing temperature: 600～900 ℃, firing time: 20～40 minutes;
4. kiln discharge cooling: promptly make the ceramic product that bakes the titanium dioxide face;
It is characterized in that before the step of described cleaning carrier, also comprising the step of joining preparation liquid:
The composition of raw materials of film liquid (by weight):
TiO 21 part; NaHCO 30.01～0.03 part;
H 22～5 parts of O; CuSO 45H 20.04～0.06 part of O;
After weighing, put into the abundant stirring of container and promptly make film liquid.
CNB991173627A 1999-11-10 1999-11-10 Productive technology for sintering titanium dioxide film on ceramic surface Expired - Fee Related CN1139556C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB991173627A CN1139556C (en) 1999-11-10 1999-11-10 Productive technology for sintering titanium dioxide film on ceramic surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB991173627A CN1139556C (en) 1999-11-10 1999-11-10 Productive technology for sintering titanium dioxide film on ceramic surface

Publications (2)

Publication Number Publication Date
CN1295990A CN1295990A (en) 2001-05-23
CN1139556C true CN1139556C (en) 2004-02-25

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101717273B (en) * 2009-11-27 2012-12-26 西北大学 Process and device specially used for producing nano microcrystalline film photocatalytic ceramic
CN102417227B (en) * 2011-09-01 2013-05-01 柯玉章 Harmless treatment and comprehensive utilization method of silicon tetrachloride
CN103184687B (en) * 2013-03-25 2015-05-27 河北科技大学 Method for preparing carbon fiber surface densified sintering TiO2 coating
CN104692831B (en) * 2013-12-09 2018-04-24 唐硕度 A kind of ceramic thin plate processing method and device
CN104712128A (en) * 2013-12-17 2015-06-17 中山市亨立达机械有限公司 Floor tile easy to clean and manufacturing device
CN104128101A (en) * 2014-07-18 2014-11-05 南京工业大学 Silver doped metal ceramic composite membrane and preparation method thereof
CN104150643B (en) * 2014-08-29 2016-02-03 乐山三玺水处理设备有限公司 A kind of method applying discoloring agent process dyeing and printing sewage
CN205019962U (en) * 2014-09-04 2016-02-10 首尔伟傲世有限公司 Photocatalytic filter

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