CN102515856A - Bone china lead-free glaze and preparation method thereof - Google Patents
Bone china lead-free glaze and preparation method thereof Download PDFInfo
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- CN102515856A CN102515856A CN2011104164793A CN201110416479A CN102515856A CN 102515856 A CN102515856 A CN 102515856A CN 2011104164793 A CN2011104164793 A CN 2011104164793A CN 201110416479 A CN201110416479 A CN 201110416479A CN 102515856 A CN102515856 A CN 102515856A
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- glaze
- bone china
- free
- lead
- china lead
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Abstract
The invention discloses a bone china lead-free glaze and a preparation method thereof. The bone china lead-free glaze comprises the following components in percentage by weight: 55-57.6% of SiO2, 8.5- 9.6% of Al2O3, 11.3-12.7% of CaO, 3.8-4.2% of K2O, 3.8-4.2% of Na2O, 1.2-2.5% of Li2O, 9.2-12% of ZnO, 1-2% of ZrO2, 2.2-3% of B2O3 and 1-2% of CeO2. The preparation method of the bone china lead-free glaze comprises the following steps that: raw materials of the bone china lead-free glaze are uniformly mixed according to the formula proportion of the components, the mixture is arranged in a tank furnace to be melted at the temperature of 1380-1400 DEG C, and then frits are obtained through water quenching; and the frits are ground and smashed in a ball mill to obtain glaze slip, the glaze slip is sieved to make the fineness of the glaze slip be 0.02-0.05% at multi-pore sieve surplus, and then the bone china lead-free glaze is obtained. The bone china glaze is fine and smooth, does not crack after twice exchange in water of 180-20 DEG C, and has the whiteness of more than 65 and the glossiness of more than 95.
Description
Technical field
The invention belongs to the ceramic glaze technical field, be specifically related to a kind of bone china lead-free glaze and preparation method thereof.
Background technology
The sclerotin porcelain is a kind of universally acknowledged high-grade domestic ceramics, yet, adopt as the one of which leaded fritted glaze to produce, this is because leaded glaze has advantages such as easy fusion, good fluidity, glaze glossiness height, good thermal shock stability.Yet, because lead content is big, or under the bad situation of intermiscibility, causes easily and separate out, get into human body through contact, infringement people's health.Therefore, in the industry the plumbous content of sclerotin enamel there is strict regulation, also impels people to study unleaded glaze.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of bone china lead-free glaze is provided, glaze was fine and smooth, smooth after said bone china lead-free glaze burnt till, glossiness is good, smooth.
Another object of the present invention is to provide the preparation method of said bone china lead-free glaze.
Above-mentioned purpose of the present invention is achieved through following technical scheme:
A kind of bone china lead-free glaze, form by the component of counting by weight percentage as follows:
SiO
2?55~57.6%，Al
2O
3?8.5~9.6%，CaO?11.3~12.7%，K
2O?3.8~4.2%，Na
2O?3.8~4.2%，Li
2O?1.2~2.5%，ZnO?9.2~12%，ZrO
2?1~2%，B
2O
3?2.2~3%,?CeO
2?1~2%。
Most preferably, said bone china lead-free glaze is made up of the component of counting by weight percentage as follows:
SiO
2?55.6%，Al
2O
3?9.2%，CaO?11.8%，K
2O?3.9%，Na
2O?3.8%，Li
2O?1.2%，ZnO?10.3%，ZrO
2?1%，B
2O
3?2.2%,?CeO
2?1%。
The present invention has added more a large amount of basic metal in prescription, simultaneously, through the content of adjustment silicon-dioxide, quicklime and aluminum oxide, improved the elasticity and the toughness of glaze, makes glaze have good heat-shock resistance, in 180 ℃ ~ 20 ℃ water, exchanges and does not once split; An amount of zirconium white and cerium oxide are improved the whiteness of leadless glaze and glossiness.
The feed composition that is adopted can only need make wherein contained compound satisfy said ratio and get final product from potassium felspar sand, kaolin, zinc oxide, zirconium silicate, Quilonum Retard, lime carbonate, borax, quartz, cerium oxide etc.
The preparation method of said bone china lead-free glaze comprises the steps:
(1) in the component formula ratio that each raw materials mix of bone china lead-free glaze is even, put in the tank furnace to carry out fusion under 1380 ~ 1400 ℃ the temperature, after shrend, obtain frit;
(2) frit is obtained glaze slip in the grinding in ball grinder pulverizing, sieve, making the glaze slip fineness surplus at 10000-hole sieve is 0.02 ~ 0.05%, promptly gets said bone china lead-free glaze.
Compared with prior art, the present invention has following beneficial effect:
The present invention has added more a large amount of basic metal in prescription, simultaneously, through the content of adjustment silicon-dioxide, quicklime and aluminum oxide, improved the elasticity and the toughness of glaze, makes glaze have good heat-shock resistance, and exchange is not split for twice in 180 ℃ ~ 20 ℃ water; An amount of zirconium white and cerium oxide are improved the whiteness of leadless glaze and glossiness.
Embodiment
Below in conjunction with specific embodiment the present invention is done further explanation, but embodiment does not do any qualification to the present invention.
Embodiment 1 ~ 3
The ceramic glaze prescription of embodiment 1 ~ 3 is as shown in table 1, and numerical value is weight percentage in the table 1:
Table 1
| ? | SiO 2 | Al 2O 3 | CaO | K 2O | Na 2O | Li 2O | ZnO | ZrO 2 | B 2O 3 | CeO 2 |
| Embodiment 1 | 57.6 | 8.5 | 11.3 | 3.9 | 3.9 | 1.2 | 9.2 | 1 | 2.2 | 1 |
| Embodiment 2 | 55 | 9 | 11.3 | 4 | 4 | 1.5 | 10 | 1.4 | 2.4 | 1.4 |
| Embodiment 3 | 55.6 | 9.2 | 11.8 | 3.9 | 3.8 | 1.2 | 10.3 | 1 | 2.2 | 1 |
Press the proportioning in the table 1, potassium felspar sand, kaolin, zinc oxide, zirconium silicate, Quilonum Retard, lime carbonate, borax, quartz, cerium oxide component are mixed respectively, put in the tank furnace, after shrend, obtain frit to carry out fusion under 1380 ~ 1400 ℃ the temperature; Pulverize in grinding in ball grinder then and obtain glaze slip, sieve, making the glaze slip fineness surplus at 10000-hole sieve is 0.02 ~ 0.05%, promptly gets embodiment 1 ~ 3 said bone china lead-free glaze.
The bone china lead-free glaze of gained is imposed on the biscuit, and in the kiln of packing into after the drying, 1120 ~ 1150 ℃ of following constant temperature is 1 hour in oxidizing atmosphere, and the sclerotin ceramic products of said bone china lead-free glaze is arranged through 6 hours clinkering zones.
Said sclerotin ceramic products glaze exquisiteness is smooth, and exchange is not split for twice in 180 ℃ ~ 20 ℃ water, and whiteness is more than 65, and glossiness is more than 95.
Claims (3)
1. a bone china lead-free glaze is characterized in that, is made up of the component of counting by weight percentage as follows:
SiO
2?55~57.6%，Al
2O
3?8.5~9.6%，CaO?11.3~12.7%，K
2O?3.8~4.2%，Na
2O?3.8~4.2%，Li
2O?1.2~2.5%，ZnO?9.2~12%，ZrO
2?1~2%，B
2O
3?2.2~3%,?CeO
2?1~2%。
2. bone china lead-free glaze according to claim 1 is characterized in that, is made up of the component of counting by weight percentage as follows:
SiO
2?55.6%，Al
2O
3?9.2%，CaO?11.8%，K
2O?3.9%，Na
2O?3.8%，Li
2O?1.2%，ZnO?10.3%，ZrO
2?1%，B
2O
3?2.2%,?CeO
2?1%。
3. the preparation method of claim 1 or 2 said bone china lead-free glazes is characterized in that, comprises the steps:
(1) in the component formula ratio that each raw materials mix of bone china lead-free glaze is even, put in the tank furnace to carry out fusion under 1380 ~ 1400 ℃ the temperature, after shrend, obtain frit;
(2) frit is obtained glaze slip in the grinding in ball grinder pulverizing, sieve, making the glaze slip fineness surplus at 10000-hole sieve is 0.02 ~ 0.05%, promptly gets said bone china lead-free glaze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104164793A CN102515856A (en) | 2011-12-14 | 2011-12-14 | Bone china lead-free glaze and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104164793A CN102515856A (en) | 2011-12-14 | 2011-12-14 | Bone china lead-free glaze and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102515856A true CN102515856A (en) | 2012-06-27 |
Family
ID=46287000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104164793A Pending CN102515856A (en) | 2011-12-14 | 2011-12-14 | Bone china lead-free glaze and preparation method thereof |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332966A (en) * | 2013-07-02 | 2013-10-02 | 泉州欧米克生态建材科技有限公司 | Preparation method of composite opaque glaze |
| CN108483915A (en) * | 2018-07-09 | 2018-09-04 | 广东民洁卫浴有限公司 | A kind of high-densit glaze of nanometer and preparation method thereof |
| CN113354283A (en) * | 2021-07-13 | 2021-09-07 | 江苏高淳陶瓷股份有限公司 | Preparation method of low-temperature hard glaze for bone china |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999415A (en) * | 2007-01-24 | 2007-07-18 | 唐山陶瓷股份有限公司 | Leadless molten block enamel for bone porcelain |
| CN101376601A (en) * | 2007-08-29 | 2009-03-04 | 上海亨力瓷业有限公司 | Bone china lead-free glaze |
-
2011
- 2011-12-14 CN CN2011104164793A patent/CN102515856A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999415A (en) * | 2007-01-24 | 2007-07-18 | 唐山陶瓷股份有限公司 | Leadless molten block enamel for bone porcelain |
| CN101376601A (en) * | 2007-08-29 | 2009-03-04 | 上海亨力瓷业有限公司 | Bone china lead-free glaze |
Non-Patent Citations (1)
| Title |
|---|
| 冬新: "稀土氧化铈在建筑瓷釉中应用取得明显效果", 《中国陶瓷》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332966A (en) * | 2013-07-02 | 2013-10-02 | 泉州欧米克生态建材科技有限公司 | Preparation method of composite opaque glaze |
| CN103332966B (en) * | 2013-07-02 | 2015-01-07 | 泉州欧米克生态建材科技有限公司 | Preparation method of composite opaque glaze |
| CN108483915A (en) * | 2018-07-09 | 2018-09-04 | 广东民洁卫浴有限公司 | A kind of high-densit glaze of nanometer and preparation method thereof |
| CN113354283A (en) * | 2021-07-13 | 2021-09-07 | 江苏高淳陶瓷股份有限公司 | Preparation method of low-temperature hard glaze for bone china |
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| PB01 | Publication | ||
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Application publication date: 20120627 |