CN101891501A - Lead-free and cadmium-free bone china glaze and preparation process thereof - Google Patents
Lead-free and cadmium-free bone china glaze and preparation process thereof Download PDFInfo
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Abstract
The invention discloses a lead-free and cadmium -free bone china glaze and a preparation process thereof. The lead-free and cadmium-free bone china glaze comprises the following compositions in percentage by weight: 50.0 to 62.0 percent of SiO2, 6.0 to 10.0 percent of Al2O3, 6.0 to 10.0 percent of CaO, 0.5 to 4 percent of MgO, 0.0 to 2.0 percent of BaO, 0.5 to 3.0 percent of SrO, 6.0 to 10.0 percent of ZnO, 2.0 to 6.5 percent of K2O, 1.0 to 5.0 percent of Na2O, 0.2 to 3.0 percent of Li2O, 1.0 to 3.0 percent of B2O3, 1.0 to 3.5 percent of ZrO2, 0.2 to 1.0 percent of La2O3, and 0.1 to 2.0 percent of P2O5. By optimizing the glaze formula, the glaze has no lead and cadmium, so the glaze is non-toxic and environment-friendly. The lead-free and cadmium-free bone china glaze and the preparation process thereof have the advantages of reducing the consumption of zinc oxide, overcoming the defects of soft glaze, easy scratching and color disadvantage caused by high zinc oxide content, and improving the hardness of the glaze by optimizing the chemical compositions of the glaze.
Description
Technical field
The invention belongs to the ceramic glaze technical field, especially relate to and a kind ofly can be used for the lead-free and cadmium-free bone china glaze in high-grade domestic ceramics field and the preparation technology of this bone china glaze thereof.
Background technology
Ceramic glaze has material impact to the visual appearance of ceramic.At present the most of ceramics of China have pore, bubble because of glaze, and surface gloss difference and cause product specification not high is of poor quality.The higher high-grade ceramic goods of some appearance requirement adopt the leaded glaze that fusing point is low, Young's modulus is big, glossiness is high mostly.Yet lead is heavy metal element, all is deleterious to human body and environment.Along with the raising of people to the deep and environmental consciousness of lead and compound understanding thereof, there is more and more stricter restriction various countries to the content and the use thereof of lead.
Summary of the invention
One of purpose of the present invention is to provide a kind of glaze formula, introduces rare earth compound in prescription, makes its lead-free and cadmium-free bone china glaze with rational chemical constitution and better physical performance index, solves the defective that prior art exists.
For achieving the above object, the present invention adopts following technical scheme: SiO
250.0～62.0%, Al
2O
36.0～10.0%, CaO 6.0～10.0%, MgO 0.5～4%, and BaO 0.0～2.0%, and SrO 0.5～3.0%, and ZnO 6.0～11.0%, K
2O 2.0～6.5%, Na
2O 1.0～5.0%, Li
2O 0.2～3.0%, B
2O
31.0～3.0%, ZrO
21.0～3.5%, La
2O
30.2～1.0%, P
2O
50.1～2.0%; Described each component sum is 100%.
A kind of lead-free and cadmium-free bone china glaze comprises following component and content (weight percentage): preferably: comprise component and content (weight percentage): SiO
253.0～56.0%, Al
2O
37.0～8.5%, CaO8.0～9.5%, MgO 2.0～3.0%, BaO0.5～1.0%, SrO1.5～2.0%, ZnO8.0～9.0%, K
2O4.0～5.5%, Na
2O 3.0～4.5%, Li
2O 2.0～3.0%, B
2O
31.0～2.0%, ZrO
22.0～3.0%, La
2O
30.3～0.8%, P
2O
50.5～1.5%.
Another object of the present invention is to provide a kind of preparation technology of lead-free and cadmium-free bone china glaze, comprise step:
A) get the silica powder 25.0～45.0% (weight percentage) that 200 orders or thinner mesh screen sieve, get the feldspar in powder 20.0～40.0% that 200 orders or thinner mesh screen sieve, borax 2.0～20.0%, zinc oxide 6.0～12.0%, zirconium silicate 2.0～5.0%, lanthanum trioxide 0.1～3.0%, lime carbonate 10.0～18.0%, magnesiumcarbonate 1.0～8.0%, barium carbonate 0.0～5.0%, Strontium carbonate powder 1.0～6.0%, Quilonum Retard 2.0～10.0%, Vanadium Pentoxide in FLAKES 0.1～3.0% is after above-mentioned raw materials mixed, 1380 ℃～1450 ℃ fusings, put into the cold water shrend and make frit;
B) frit is packed in the ball mill, the kaolin or other glaze slip properties modifier that add water and 2～10% grind to form glaze slip, and it is surplus less than 0.03% that fineness is controlled at 10000-hole sieve, makes lead-free and cadmium-free bone china glaze.
Preferably: step B) described other glaze slip properties modifier comprises polyvinyl alcohol or ammonium chloride.
More excellent is: the lead-free and cadmium-free bone china glaze firing temperature that described step B) makes is 1050 ℃～1180 ℃.
The present invention compared with prior art has following advantage and beneficial effect:
The present invention is by optimizing glaze formula, not leaded and cadmium in the glaze, nontoxic environmental protection.By optimizing the glaze chemical ingredients, reduced the usage quantity of zinc oxide, it is thin-skinned to have overcome the glaze that causes because of the zinc oxide content height, easily is scratched, and to the disadvantageous shortcoming of colour generation, has improved hardness of glaze surface.Taken into account applicable performance,, widened the firing range of glaze, made the product color development more saturated, thereby the high-temperature viscosity that lowers glaze improves the Gloss of Glazes degree by introducing rare earth compound lanthanum oxide and Vanadium Pentoxide in FLAKES to various colorant colour generations.An amount of introducing Vanadium Pentoxide in FLAKES makes the performance of glaze and china blank more approaching, increase the bonding properties of base glaze, improved the ability of the anti-rapid heat cycle of product, overcome because of the glaze firing narrow range, and underburnt that causes and burning defective, make the more apparent top grade of china finished product, improved the qualification rate of product.The ceramic hardness of glaze surface height that uses glaze of the present invention to produce, anti-delineation hinder that ability is strong, and glossiness is good, and color is pure, has improved the quality and the class of product.
Embodiment
Below in conjunction with specific embodiment the present invention is described in further details.
Embodiment 1: with 32 parts of silica powders (200 order), and feldspar in powder (200 order), 33 parts, 10 parts of boraxs, 3 parts in zinc oxide, 2 parts of zirconium silicates, 2 parts of lanthanum trioxides, 7 parts in lime carbonate, 2 parts in magnesiumcarbonate, 2 parts of barium carbonates, 3 parts of Strontium carbonate powders, 4 parts of Quilonum Retards.After above-mentioned raw materials mixed,, put into the cold water shrend and make frit 1380 ℃～1450 ℃ fusings.
Frit is packed in the ball mill, add the kaolin of water and 3% and 0.02% ammonium chloride and grind to form glaze slip, the glaze slip specific gravity control is at 1.65～1.72kg/l, and it is surplus less than 0.03% that fineness is controlled at 10000-hole sieve.Glaze is sprayed on through on 1250～1280 ℃ of high temperature unglazed china biscuits, in the kiln of packing into after the drying, burns till at 1050 ℃-1180 ℃ and to get final product.
Embodiment 2: with 21 parts of silica powders (200 order), and feldspar in powder (200 order), 35 parts, 6 parts of boraxs, 4 parts in zinc oxide, 5 parts of zirconium silicates, 3 parts of lanthanum trioxides, 13 parts in lime carbonate, 3 parts of barium carbonates, 5 parts of Strontium carbonate powders, 2 parts of Quilonum Retards, 3 parts of Vanadium Pentoxide in FLAKESs.After above-mentioned raw materials mixed,, put into the cold water shrend and make frit 1380 ℃～1450 ℃ fusings.
Frit is packed in the ball mill, add the kaolin of water and 5% and 0.025% polyvinyl alcohol and grind to form glaze slip, the glaze slip specific gravity control is at 1.65～1.72kg/l, and it is surplus less than 0.03% that fineness is controlled at 10000-hole sieve.Glaze is sprayed on through on 1250～1280 ℃ of high temperature unglazed china biscuits, in the kiln of packing into after to be dried, burns till at 1050 ℃-1180 ℃ and to get final product.
Embodiment 3: with 25 parts of silica powders (200 order), and feldspar in powder (200 order), 27 parts, 5 parts of kaolin, 12 parts of boraxs, 5 parts in zinc oxide, 1 part of zirconium silicate, 0.5 part of lanthanum trioxide, 10.5 parts in lime carbonate, 4 parts of barium carbonates, 1 part of Strontium carbonate powder, 4 parts of Quilonum Retards, 5 parts of Vanadium Pentoxide in FLAKESs.After above-mentioned raw materials mixed,, put into the cold water shrend and make frit 1380 ℃～1450 ℃ fusings.
Frit is packed in the ball mill, and the kaolin that adds water and 8% grinds to form glaze slip, and the glaze slip specific gravity control is at 1.65～1.72kg/l, and it is surplus less than 0.03% that fineness is controlled at 10000-hole sieve.Glaze is sprayed on through on 1250～1280 ℃ of high temperature unglazed china biscuits, in the kiln of packing into after the drying, burns till at 1020 ℃-1180 ℃ and to get final product.
Embodiment 4: with 26 parts of silica powders (200 order), and feldspar in powder (200 order), 30 parts, 5 parts of kaolin, 13 parts of boraxs, 6 parts in zinc oxide,, 1 part of lanthanum trioxide, 12 parts in lime carbonate, 2 parts in magnesiumcarbonate, 2 parts of Strontium carbonate powders, 2 parts of Quilonum Retards, 1 part of Vanadium Pentoxide in FLAKES.After above-mentioned raw materials mixed,, put into the cold water shrend and make frit 1380 ℃～1450 ℃ fusings.
Frit is packed in the ball mill, and the kaolin that adds water and 10% grinds to form glaze slip, and the glaze slip specific gravity control is at 1.65～1.72kg/l, and it is surplus less than 0.03% that fineness is controlled at 10000-hole sieve.Glaze is sprayed on through on 1250～1280 ℃ of high temperature unglazed china biscuits, in the kiln of packing into after the drying, burns till at 1020 ℃-1180 ℃ and to get final product.
Raw materials used main chemical constitution weight percent among table 1 embodiment
The main chemical constitution weight percent of glaze among table 2 embodiment
| Title | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| SiO 2 | 61.40 | 51.94 | 52.28 | 55.60 |
| Al 2O 3 | 6.85 | 7.53 | 9.52 | 8.61 |
| B 2O 3 | 5.35 | 3.26 | 6.68 | 7.12 |
| CaO | 4.41 | 8.54 | 5.84 | 7.71 |
| MgO | 1.07 | 0 | 0.05 | 1.12 |
| BaO | 1.75 | 2.65 | 4.51 | 0 |
| SrO | 2.37 | 3.41 | 0.82 | 1.60 |
| Li 2O | 1.81 | 0.92 | 2.25 | 0.93 |
| K 2O | 4.75 | 5.26 | 3.51 | 4.43 |
| Na 2O | 3.08 | 2.22 | 3.56 | 3.83 |
| ZnO | 3.36 | 4.56 | 5.82 | 6.89 |
| ZrO 2 | 1.51 | 3.83 | 0.76 | 0 |
| La 2O 3 | 2.25 | 3.42 | 0.58 | 1.13 |
| P 2O 5 | / | 2.91 | 4.75 | 0.92 |
Remarks: the part of less than 100% is Fe in the chemical constitution weight percentage
2O
3, TiO
2Etc. conventional raw mineral materials impurity.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to the protection domain of inventing type.
Claims (6)
1. a lead-free and cadmium-free bone china glaze comprises following component and content (weight percentage): SiO
250.0～62.0%, Al
2O
36.0～10.0%, CaO 6.0～10.0%, MgO 0.5～4%, and BaO 0.0～2.0%, and SrO 0.5～3.0%, and ZnO 6.0～10.0%, K
2O 2.0～6.5%, Na
2O 1.0～5.0%, Li
2O 0.2～3.0%, B
2O
31.0～3.0%, ZrO
21.0～3.5%, La
2O
30.2～1.0%, P
2O
50.1～2.0%; Described each component sum is 100%.
2. lead-free and cadmium-free bone china glaze as claimed in claim 1 is characterized in that: comprise component and content (weight percentage): SiO
253.0～56.0%, Al
2O
37.0～8.5%, CaO8.0～9.5%, MgO 2.0～3.0%, BaO0.5～1.0%, SrO1.5～2.0%, ZnO8.0～9.0%, K
2O4.0～5.5%, Na
2O 3.0～4.5%, Li
2O 2.0～3.0%, B
2O
31.0～2.0%, ZrO
22.0～3.0%, La
2O
30.3～0.8%, P
2O
50.5～1.5%.
3. lead-free and cadmium-free bone china glaze preparation technology comprises step:
A) get the silica powder 25.0～45.0% (weight percentage) that 200 orders or thinner mesh screen sieve, get the feldspar in powder 20.0～40.0% that 200 orders or thinner mesh screen sieve, borax 2.0～20.0%, zinc oxide 6.0～12.0%, zirconium silicate 2.0～5.0%, lanthanum trioxide 0.1～3.0%, lime carbonate 10.0～18.0%, magnesiumcarbonate 1.0～8.0%, barium carbonate 0.0～5.0%, Strontium carbonate powder 1.0～6.0%, Quilonum Retard 2.0～10.0%, Vanadium Pentoxide in FLAKES 0.1～3.0% is after above-mentioned raw materials mixed, 1380 ℃～1450 ℃ fusings, put into the cold water shrend and make frit;
B) frit is packed in the ball mill, the kaolin or other glaze slip properties modifier that add water and 2.0～10.0% grind to form glaze slip, and it is surplus less than 0.03% that fineness is controlled at 10000-hole sieve, makes lead-free and cadmium-free bone china glaze.
4. lead-free and cadmium-free bone china glaze preparation technology as claimed in claim 3 is characterized in that: step B) described other glaze slip properties modifier comprises: polyvinyl alcohol and ammonium chloride.
5. as claim 3 or 4 described lead-free and cadmium-free bone china glaze preparation technologies, it is characterized in that: institute
State step B) the lead-free and cadmium-free bone china glaze firing temperature that makes is 1050 ℃～1180 ℃.
6. claim 1 or 2 described lead-free and cadmium-free bone china glazes are in the application in domestic ceramics field.
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|---|---|---|---|
| CN 201010226021 CN101891501A (en) | 2010-07-13 | 2010-07-13 | Lead-free and cadmium-free bone china glaze and preparation process thereof |
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| CN102219560A (en) * | 2011-05-17 | 2011-10-19 | 田津生 | Method for preparing high-strength high-wear-resistance bone porcelain glaze |
| CN102515860A (en) * | 2011-12-14 | 2012-06-27 | 广东松发陶瓷股份有限公司 | High-luster daily ceramic glaze and preparation method thereof |
| CN102584341A (en) * | 2012-01-12 | 2012-07-18 | 辉煌水暖集团有限公司 | Glaze slip for sanitary ceramics and preparation method for glaze slip |
| CN102718571A (en) * | 2012-06-12 | 2012-10-10 | 卡罗比亚釉料（昆山）有限公司 | Acid and alkali-resistant lead-free transparent frit for ceramics preparation |
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| CN1298844A (en) * | 1999-12-03 | 2001-06-13 | 淄博工业陶瓷厂 | Lead-free fritting enamel for high-grade porcelain |
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| CN102219560A (en) * | 2011-05-17 | 2011-10-19 | 田津生 | Method for preparing high-strength high-wear-resistance bone porcelain glaze |
| CN102515860A (en) * | 2011-12-14 | 2012-06-27 | 广东松发陶瓷股份有限公司 | High-luster daily ceramic glaze and preparation method thereof |
| CN102515860B (en) * | 2011-12-14 | 2014-03-19 | 广东松发陶瓷股份有限公司 | High-luster daily ceramic glaze and preparation method thereof |
| CN102584341A (en) * | 2012-01-12 | 2012-07-18 | 辉煌水暖集团有限公司 | Glaze slip for sanitary ceramics and preparation method for glaze slip |
| CN102584341B (en) * | 2012-01-12 | 2013-11-06 | 辉煌水暖集团有限公司 | Glaze slip for sanitary ceramics and preparation method for glaze slip |
| CN102718557A (en) * | 2012-05-31 | 2012-10-10 | 潮州宏业陶瓷制作厂有限公司 | High-grade stripe iron red crystallization transmutation ceramic glaze for daily use |
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| CN104016718B (en) * | 2013-02-28 | 2016-08-24 | Toto株式会社 | High diffusivity reflects glaze layer and anti-pollution glaze layer and manufactures its glaze composition |
| CN104016718A (en) * | 2013-02-28 | 2014-09-03 | Toto株式会社 | High diffuse reflection glaze layer and glaze composition manufacturing thereof |
| CN103183528B (en) * | 2013-03-29 | 2014-07-30 | 深圳市永丰源瓷业有限公司 | Shaping glaze and firing technology of bone china containing high-permeability pigment |
| CN103183525B (en) * | 2013-03-29 | 2014-07-30 | 深圳市永丰源瓷业有限公司 | Blue-and-white pigment used in bone china and fabricating technology for blue-and-white bone china |
| CN103183525A (en) * | 2013-03-29 | 2013-07-03 | 深圳市永丰源瓷业有限公司 | Blue-and-white pigment used in bone china and fabricating technology for blue-and-white bone china |
| CN103183528A (en) * | 2013-03-29 | 2013-07-03 | 深圳市永丰源瓷业有限公司 | Shaping glaze and firing technology of bone china containing high-permeability pigment |
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| CN105963143A (en) * | 2016-07-01 | 2016-09-28 | 赵艳丽 | Porcelain tooth material and preparation method thereof |
| CN106587621A (en) * | 2016-11-11 | 2017-04-26 | 广东道氏技术股份有限公司 | Diamond glaze with super abrasion resistance and three-dimensional decorative effect |
| CN107324770A (en) * | 2017-08-03 | 2017-11-07 | 福建省德化县华晨陶瓷有限公司 | A kind of wear-resistant, high-low temperature resistant ceramic pan and its manufacturing process |
| CN107324770B (en) * | 2017-08-03 | 2021-01-01 | 福建省德化县华晨陶瓷有限公司 | Wear-resistant high-low temperature-resistant ceramic pot and manufacturing process thereof |
| CN111116043A (en) * | 2019-12-30 | 2020-05-08 | 江西新明珠建材有限公司 | 4-level wear-resistant glaze marble tile and manufacturing method thereof |
| CN112960906A (en) * | 2021-04-13 | 2021-06-15 | 刘永广 | Lead-free environment-friendly ceramic glaze 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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Application publication date: 20101124 |