CN110128016A - A kind of no zirconium ultrawhite overglaze and preparation method thereof - Google Patents

A kind of no zirconium ultrawhite overglaze and preparation method thereof Download PDF

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Publication number
CN110128016A
CN110128016A CN201910338057.5A CN201910338057A CN110128016A CN 110128016 A CN110128016 A CN 110128016A CN 201910338057 A CN201910338057 A CN 201910338057A CN 110128016 A CN110128016 A CN 110128016A
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CN
China
Prior art keywords
parts
zirconium
ultrawhite
overglaze
glaze slip
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910338057.5A
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Chinese (zh)
Inventor
陈迪晴
龙慧
李云峰
陈彬
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Foshan Yuji Material Technology Co Ltd
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Foshan Yuji Material Technology Co Ltd
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Publication date
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Priority to CN201910338057.5A priority Critical patent/CN110128016A/en
Publication of CN110128016A publication Critical patent/CN110128016A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C8/00Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/14Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
    • C03C8/20Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing titanium compounds; containing zirconium compounds

Abstract

The invention discloses a kind of no zirconium ultrawhite overglazes, it is related to ceramic tile technical field, it solves the problems, such as ultrawhite overglaze higher cost in the prior art, is characterized in that: including below according to the raw material of mass parts: 20-45 parts of quartz, 0-10 parts of burning talcums, 4-10 parts of water-washed kaolines, 5-15 parts of calcined kaolins, 0-25 parts of potassium feldspars, 10-25 parts of albites, 5-35 parts of lithium porcelain stones, 5-20 parts of nephelines, 0-3 parts of dolomites, 0-20 parts of aluminium oxide, 0-5 parts of titanium white frits and 0-2 parts of zinc oxide;The present invention adds other raw materials by removing the compound of zirconium in glaze, ensure that the whiteness of overglaze, and relative to traditional glaze, cost of the present invention is lower, radiates smaller.

Description

A kind of no zirconium ultrawhite overglaze and preparation method thereof
Technical field
The present invention relates to ceramic tile technical fields more particularly to a kind of no zirconium ultrawhite overglaze and preparation method thereof.
Background technique
Glaze is a kind of silicate, and the glaze applied on ware is generally using quartz, feldspar, clay as raw material, ground plus water After modulation, be coated on billet surface, the roasting through certain temperature and melt, when the temperature drops, formed ceramic surface the nature of glass Thin layer.It increases ware by mechanical strength, thermal stability, dielectric strength and the erosion for preventing liquid, gas, and there are also increase for glaze Porcelain is beautiful and convenient for washing the effects of wiping, not being sticky with by dust.
Zirconium oxide or zirconium silicate are typically contained in ultrawhite overglaze, to improve the performance of overglaze and improve the whiteness of overglaze, But the higher cost of zirconium oxide or zirconium silicate, so that ultrawhite overglaze higher cost, so that the cost of ceramic tile has been driven, because This, we have proposed a kind of no zirconium ultrawhite overglazes and preparation method thereof.
Summary of the invention
The technical problem to be solved by the present invention is in view of the foregoing drawbacks, provide a kind of no zirconium ultrawhite overglaze, full throwing glaze and nothing Zirconium ultrawhite overglaze and the full preparation method for throwing glaze, to solve the problems, such as ultrawhite overglaze higher cost in the prior art.
To achieve the above object, the invention provides the following technical scheme:
A kind of no zirconium ultrawhite overglaze, including below according to the raw material of mass parts: 20-45 parts of quartz, 0-10 parts of burning talcums, 1-10 parts Water-washed kaoline, 5-15 part calcined kaolin, 0-25 parts of potassium feldspars, 10-25 parts of albites, 5-35 parts of lithium porcelain stones, 5-20 parts of rosy clouds Stone, 0-3 part dolomite, 0-20 parts of aluminium oxide, 0-5 parts of titanium white frits and 0-2 parts of zinc oxide.
As a further solution of the present invention, including below according to the raw material of mass parts: 25-35 parts of quartz, 2-8 parts of burnings are slided Stone, 4-8 part water-washed kaoline, 8-12 parts of calcined kaolins, 5-15 parts of potassium feldspars, 12-20 parts of albites, 10-25 parts of lithium porcelain stones, 5-20 parts of nephelines, 0.5-2.5 parts of dolomites, 5-15 parts of aluminium oxide, 1-3 parts of titanium white frits and 0.5-1.5 parts of zinc oxide.
As a further solution of the present invention, including below according to the raw material of mass parts: 30 parts of quartz, 5 parts of burnings talcums, 5 Part water-washed kaoline, 10 parts of calcined kaolins, 10 parts of potassium feldspars, 15 parts of albites, 15 parts of lithium porcelain stones, 12 parts of nephelines, 2 parts of white clouds Stone, 9 parts of aluminium oxide, 2 parts of titanium white frits and 1 part of zinc oxide.
A kind of preparation method based on above-mentioned no zirconium ultrawhite overglaze, comprising the following steps:
S1, ingredient: raw material for standby is weighed according to recipe ratio;
S2, ball milling: putting the raw materials into ball mill, and water is added to grind, and grinds 4-5h, obtains A glaze slip, and the fineness of A glaze slip is 0.6- 1.0, glaze slip specific gravity is 1.85-1.90, and glaze slip flow velocity is 50-70s;
S3, it crosses and screens out iron: the glaze slip of milled being crossed into the filtering of 160 mesh double deck screens, after removing metal trough, it is aging that glaze slip is extracted into stock tank, Obtain no zirconium ultrawhite overglaze.
In conclusion compared with the prior art, the invention has the following beneficial effects:
The present invention adds other raw materials by removing the compound of zirconium in glaze, ensure that the whiteness of overglaze, relative to tradition Glaze, cost of the present invention is lower, radiate it is smaller, and the full throwing glaze made based on the present invention and leaching glaze reduce into This.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, based in the present invention Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the scope of protection of the invention.
Embodiment 1
A kind of no zirconium ultrawhite overglaze, including below according to the raw material of mass parts: 20 parts of quartz, 1 part of water-washed kaoline, 5 parts of calcinings Kaolin, 10 parts of albites, 5 parts of lithium porcelain stones and 5 parts of nephelines.
A kind of preparation method based on above-mentioned no zirconium ultrawhite overglaze, comprising the following steps:
S1, ingredient: raw material for standby is weighed according to recipe ratio;
S2, ball milling: putting the raw materials into ball mill, and water is added to grind, and grinds 4h, obtains A glaze slip, and the fineness of A glaze slip is 0.6, glaze Starching specific gravity is 1.85, and glaze slip flow velocity is 50s;
S3, it crosses and screens out iron: the glaze slip of milled being crossed into the filtering of 160 mesh double deck screens, after removing metal trough, it is aging that glaze slip is extracted into stock tank, Obtain no zirconium ultrawhite overglaze.
Embodiment 2
A kind of no zirconium ultrawhite overglaze, including below according to the raw material of mass parts: 45 parts of quartz, 10 parts of burning talcums, 10 parts of washings are high Ridge soil, 15 parts of calcined kaolins, 25 parts of potassium feldspars, 25 parts of albites, 35 parts of lithium porcelain stones, 20 parts of nephelines, 3 parts of dolomites, 20 parts Aluminium oxide, 5 parts of titanium white frits and 2 parts of zinc oxide.
A kind of preparation method based on above-mentioned no zirconium ultrawhite overglaze, comprising the following steps:
S1, ingredient: raw material for standby is weighed according to recipe ratio;
S2, ball milling: putting the raw materials into ball mill, and water is added to grind, and grinds 5h, obtains A glaze slip, and the fineness of A glaze slip is 1.0, glaze Starching specific gravity is 1.90, and glaze slip flow velocity is 70s;
S3, it crosses and screens out iron: the glaze slip of milled being crossed into the filtering of 160 mesh double deck screens, after removing metal trough, it is aging that glaze slip is extracted into stock tank, Obtain no zirconium ultrawhite overglaze.
Embodiment 3
A kind of no zirconium ultrawhite overglaze, including below according to the raw material of mass parts: 35 parts of quartz, 8 parts of burning talcums, 8 parts of washing kaolinites Soil, 12 parts of calcined kaolins, 15 parts of potassium feldspars, 20 parts of albites, 25 parts of lithium porcelain stones, 20 parts of nephelines, 2.5 parts of dolomites, 15 parts Aluminium oxide, 3 parts of titanium white frits and 1.5 parts of zinc oxide.
A kind of preparation method based on above-mentioned no zirconium ultrawhite overglaze, comprising the following steps:
S1, ingredient: raw material for standby is weighed according to recipe ratio;
S2, ball milling: putting the raw materials into ball mill, and water is added to grind, and grinds 4.5h, obtains A glaze slip, and the fineness of A glaze slip is 0.8, Glaze slip specific gravity is 1.86, and glaze slip flow velocity is 60s;
S3, it crosses and screens out iron: the glaze slip of milled being crossed into the filtering of 160 mesh double deck screens, after removing metal trough, it is aging that glaze slip is extracted into stock tank, Obtain no zirconium ultrawhite overglaze.
Embodiment 4
A kind of no zirconium ultrawhite overglaze, including below according to the raw material of mass parts: 25 parts of quartz, 2 parts of burning talcums, 4 parts of washing kaolinites Soil, 8 parts of calcined kaolins, 5 parts of potassium feldspars, 12 parts of albites, 10 parts of lithium porcelain stones, 5 parts of nephelines, 0.5 part of dolomite, 5 parts of oxidations Aluminium, 1 part of titanium white frit and 0.5 part of zinc oxide.
A kind of preparation method based on above-mentioned no zirconium ultrawhite overglaze, comprising the following steps:
S1, ingredient: raw material for standby is weighed according to recipe ratio;
S2, ball milling: putting the raw materials into ball mill, and water is added to grind, and grinds 5h, obtains A glaze slip, and the fineness of A glaze slip is 0.6, glaze Starching specific gravity is 1.85, and glaze slip flow velocity is 65s;
S3, it crosses and screens out iron: the glaze slip of milled being crossed into the filtering of 160 mesh double deck screens, after removing metal trough, it is aging that glaze slip is extracted into stock tank, Obtain no zirconium ultrawhite overglaze.
Embodiment 5
A kind of no zirconium ultrawhite overglaze, including below according to the raw material of mass parts: 30 parts of quartz, 5 parts of burning talcums, 5 parts of washing kaolinites Soil, 10 parts of calcined kaolins, 10 parts of potassium feldspars, 15 parts of albites, 15 parts of lithium porcelain stones, 12 parts of nephelines, 2 parts of dolomites, 9 parts of oxidations Aluminium, 2 parts of titanium white frits and 1 part of zinc oxide.
A kind of preparation method based on above-mentioned no zirconium ultrawhite overglaze, comprising the following steps:
S1, ingredient: raw material for standby is weighed according to recipe ratio;
S2, ball milling: putting the raw materials into ball mill, and water is added to grind, and grinds 5h, obtains A glaze slip, and the fineness of A glaze slip is 0.6, glaze Starching specific gravity is 1.85, and glaze slip flow velocity is 65s;
S3, it crosses and screens out iron: the glaze slip of milled being crossed into the filtering of 160 mesh double deck screens, after removing metal trough, it is aging that glaze slip is extracted into stock tank, Obtain no zirconium ultrawhite overglaze.
Performance verification
Overglaze is made according to above-described embodiment, ceramic tile is processed using made overglaze, measures ceramic tile surface whiteness, measurement result Show that the whiteness of ceramic tile is more than or equal to 75.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. a kind of no zirconium ultrawhite overglaze, which is characterized in that including below according to the raw material of mass parts: 20-45 parts of quartz, 0-10 parts Burn talcum, 1-10 parts of water-washed kaolines, 5-15 parts of calcined kaolins, 0-25 parts of potassium feldspars, 10-25 parts of albites, 5-35 parts of lithiums Porcelain stone, 5-20 part nepheline, 0-3 parts of dolomites, 0-20 parts of aluminium oxide, 0-5 parts of titanium white frits and 0-2 parts of zinc oxide.
2. no zirconium ultrawhite overglaze according to claim 1, which is characterized in that including below according to the raw material of mass parts: 25- 35 parts of quartz, 2-8 parts of burning talcums, 4-8 parts of water-washed kaolines, 8-12 parts of calcined kaolins, 5-15 parts of potassium feldspars, 12-20 parts of sodium Feldspar, 10-25 parts of lithium porcelain stones, 5-20 parts of nephelines, 0.5-2.5 parts of dolomites, 5-15 parts of aluminium oxide, 1-3 parts of titanium white frits and 0.5-1.5 parts of zinc oxide.
3. no zirconium ultrawhite overglaze according to claim 1, which is characterized in that including below according to the raw material of mass parts: 30 Part quartz, 5 parts of burning talcums, 5 parts of water-washed kaolines, 10 parts of calcined kaolins, 10 parts of potassium feldspars, 15 parts of albites, 15 parts of lithium porcelain Stone, 12 parts of nephelines, 2 parts of dolomites, 9 parts of aluminium oxide, 2 parts of titanium white frits and 1 part of zinc oxide.
4. a kind of preparation method based on any no zirconium ultrawhite overglaze of claim 1-3, which is characterized in that including following step It is rapid:
S1, ingredient: raw material for standby is weighed according to recipe ratio;
S2, ball milling: putting the raw materials into ball mill, and water is added to grind, and obtains A glaze slip;
S3, it crosses and screens out iron: the glaze slip double deck screen of milled is filtered, after removing metal trough, it is aging that glaze slip is extracted into stock tank, obtains no zirconium Ultrawhite overglaze.
5. the preparation method of no zirconium ultrawhite overglaze according to claim 4, which is characterized in that in S2, the fineness of glaze slip is 0.6-1.0, glaze slip specific gravity are 1.85-1.90, and glaze slip flow velocity is 50-70s.
6. the preparation method of no zirconium ultrawhite overglaze according to claim 4, which is characterized in that in S2, milling time 4- 5h。
7. the preparation method of no zirconium ultrawhite overglaze according to claim 5 or 6, which is characterized in that in S3, the double-deck grit number For 160 mesh.
CN201910338057.5A 2019-04-26 2019-04-26 A kind of no zirconium ultrawhite overglaze and preparation method thereof Pending CN110128016A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110526744A (en) * 2019-09-03 2019-12-03 广东新润成陶瓷有限公司 A kind of spot Antique Imitation Tiles and preparation method thereof
CN110644705A (en) * 2019-11-27 2020-01-03 佛山市南海区金之岚装饰材料有限公司 Polycrystalline mosaic plate and preparation method thereof
CN111792948A (en) * 2020-07-08 2020-10-20 佛山市东鹏陶瓷有限公司 Preparation method of ceramic high-whiteness glazed tile and prepared ceramic high-whiteness glazed tile
CN113185125A (en) * 2021-04-13 2021-07-30 佛山市陶莹新型材料有限公司 Composite whitening environment-friendly glaze, ceramic tile and preparation method thereof
CN113651534A (en) * 2021-08-17 2021-11-16 广东省新岩素智能家居科技有限公司 Zirconium white glaze for dynamic forming process and application thereof
CN114315426A (en) * 2022-03-17 2022-04-12 佛山市陶莹新型材料有限公司 Preparation method of anti-skid bright-surface ceramic tile
CN115466054A (en) * 2022-09-26 2022-12-13 佛山市东鹏陶瓷有限公司 Flash and pit-free decorative material and preparation method and application of decorative surface
CN115521070A (en) * 2022-11-29 2022-12-27 广东大角鹿新材料有限公司 Nano ultra-white overglaze, ceramic tile and preparation method thereof
CN116023028A (en) * 2022-12-30 2023-04-28 广东中印陶瓷科技有限公司 Glaze material with antibacterial property of ultra-white band and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102531701A (en) * 2011-12-14 2012-07-04 谢健城 Environment-friendly high-whiteness opacified glaze
CN105399330A (en) * 2015-11-30 2016-03-16 佛山市高明区海帝陶瓷原料有限公司 Titanium white fritted glaze and preparation method thereof
CN106977099A (en) * 2017-03-23 2017-07-25 华南理工大学 One kind is without zirconium spinel crystalline opaque glaze and its manufacture method
CN107382069A (en) * 2017-07-20 2017-11-24 景德镇陶瓷大学 A kind of inexpensive low expansion ceramic is without zirconia enamel and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102531701A (en) * 2011-12-14 2012-07-04 谢健城 Environment-friendly high-whiteness opacified glaze
CN105399330A (en) * 2015-11-30 2016-03-16 佛山市高明区海帝陶瓷原料有限公司 Titanium white fritted glaze and preparation method thereof
CN106977099A (en) * 2017-03-23 2017-07-25 华南理工大学 One kind is without zirconium spinel crystalline opaque glaze and its manufacture method
CN107382069A (en) * 2017-07-20 2017-11-24 景德镇陶瓷大学 A kind of inexpensive low expansion ceramic is without zirconia enamel and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
同济大学材料科学与工程学院主编: "《材料科学与工程专业实践教学指导书(金属与无机非金属材料分册)》", 31 December 2017, 上海:同济大学出版社 *
詹益州: ""节能型日用细瓷的研制开发"", 《陶瓷科学与艺术》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110526744A (en) * 2019-09-03 2019-12-03 广东新润成陶瓷有限公司 A kind of spot Antique Imitation Tiles and preparation method thereof
CN110526744B (en) * 2019-09-03 2021-03-30 广东新润成陶瓷有限公司 Spot archaized brick and manufacturing method thereof
CN110644705A (en) * 2019-11-27 2020-01-03 佛山市南海区金之岚装饰材料有限公司 Polycrystalline mosaic plate and preparation method thereof
CN111792948A (en) * 2020-07-08 2020-10-20 佛山市东鹏陶瓷有限公司 Preparation method of ceramic high-whiteness glazed tile and prepared ceramic high-whiteness glazed tile
CN113185125A (en) * 2021-04-13 2021-07-30 佛山市陶莹新型材料有限公司 Composite whitening environment-friendly glaze, ceramic tile and preparation method thereof
CN113651534A (en) * 2021-08-17 2021-11-16 广东省新岩素智能家居科技有限公司 Zirconium white glaze for dynamic forming process and application thereof
CN114315426A (en) * 2022-03-17 2022-04-12 佛山市陶莹新型材料有限公司 Preparation method of anti-skid bright-surface ceramic tile
CN115466054A (en) * 2022-09-26 2022-12-13 佛山市东鹏陶瓷有限公司 Flash and pit-free decorative material and preparation method and application of decorative surface
CN115466054B (en) * 2022-09-26 2024-02-23 佛山市东鹏陶瓷有限公司 Preparation method and application of flashing pit-free decorative material and decorative surface
CN115521070A (en) * 2022-11-29 2022-12-27 广东大角鹿新材料有限公司 Nano ultra-white overglaze, ceramic tile and preparation method thereof
CN116023028A (en) * 2022-12-30 2023-04-28 广东中印陶瓷科技有限公司 Glaze material with antibacterial property of ultra-white band and preparation method thereof

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