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Sea reef glaze for pottery decorations and preparation method thereof

A decoration and reef technology, which is applied in the field of sea reef glaze and its preparation, can solve the problems of high water content, single color and decorative effect, and the inability to prepare ideal clay glaze, so as to achieve diversified colors, easy control of moisture, and simple and simple colors Effect

Active Publication Date: 2019-02-01
XIAMEN EDUNUS CERAMIC IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing antique pottery clay glazes are mainly produced by repeated washing and precipitation of low-temperature colored ore soil in specific areas in various places. Due to the limitation of local characteristic minerals, its color and decorative effect are single. Once the resource composition changes or the resource is exhausted, It is impossible to prepare the ideal clay glaze
Furthermore, the clay glaze has been washed and precipitated for a long time, and its water content is too much to be suitable for modern industrial production.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Nepheline orthoclase: 3%,

[0017] High alumina powder: 50%,

[0018] Wollastonite: 15%,

[0019] Dolomite: 8%,

[0020] Calcium carbonate: 12.5%,

[0021] Talc: 3%,

[0022] Glaze slime: 8%,

[0023] CuCO 3 : 0.5%.

[0024] According to the above formula, weigh the components and mix them fully into the grinding tank, add 45-50% water equivalent to the dry powder weight, grind for 10 hours, filter the glaze slurry with a 325-mesh sieve, and sieve the remaining residue The rate is 0.1-0.3%, and then the ball-milled glaze slurry is adjusted to a true specific gravity of 42-45, sprayed or soaked on the pottery, dried and then fired in a kiln at 1200-1235 ° C for 8 hours , the sea reef glaze is obtained after natural cooling.

[0025] The sea reef glaze obtained in this embodiment has a rough and matte texture, a jerky and hard feeling, and a light gray lake green color.

Embodiment 2

[0027] Nepheline orthoclase: 5%,

[0028] High alumina powder: 45%,

[0029] Wollastonite: 20%,

[0030] Dolomite: 5%,

[0031] Calcium carbonate: 14%,

[0032] Talc: 5%,

[0033] Glaze slime: 5%,

[0034] CuCO 3 :1%.

[0035] According to the above formula, weigh all the components and mix them fully into the grinding tank, add 45-50% water equivalent to the dry powder weight, grind for 13 hours, filter the glaze slurry with a 325-mesh sieve, and sieve the remaining residue The rate is 0.1-0.3%, and then the ball-milled glaze slurry is adjusted to a true specific gravity of 42-45, sprayed or soaked on the pottery, dried and then fired in a kiln at 1200-1235 ° C for 10 hours , the sea reef glaze is obtained after natural cooling.

[0036] The sea reef glaze obtained in this example has a rough matte texture, a rustic feeling of semi-weathered stone, and a dark moss green color.

Embodiment 3

[0038] Nepheline orthoclase: 8%,

[0039] High alumina powder: 40%,

[0040] Wollastonite: 25%,

[0041] Dolomite: 3%,

[0042] Calcium carbonate: 11.5%,

[0043] Talc: 8%,

[0044] Glaze slime: 3%,

[0045] CuCO 3 : 1.5%.

[0046] According to the above formula, weigh all the components and mix them fully into the grinding tank, add 45-50% water equivalent to the dry powder weight, grind for 15 hours, filter the glaze slurry with a 325-mesh sieve, and sieve the remaining residue The rate is 0.1-0.3%, and then the ball-milled glaze slurry is adjusted to a true specific gravity of 42-45, sprayed or soaked on the pottery, dried and then fired in a kiln at 1200-1235 ° C for 11 hours , the sea reef glaze is obtained after natural cooling.

[0047] The texture of the sea reef glaze obtained in this example is rough and soft, with a rustic feeling of seawater corrosion and weathering, and the color is olive dark green.

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Abstract

The invention discloses sea reef glaze for pottery ornaments and a preparation method of the sea reef glaze. A technical formula of the sea reef glaze comprises the following components in percentage by mass: 3%-8% of nepheline orthoclase, 35%-55% of high alumina powder, 10%-30% of wollastonite, 3%-8% of dolomite, 10%-20% of calcium carbonate, 3%-8% of talc, 3%-8% of glaze clay and 0.5%-1.5% of CuCO3. The components are weighed according to the formula, fully mixed, and then added to a grinding tank; moisture accounting for 45%-50% the weight of dry powder is added for grinding for 10-15 hours, the concentration of the ground glaze slurry is adjusted until the true specific gravity is 45-50 when the residue rate is 0.1%-0.3% after the powder is screened with a 325-mesh screen, and the glaze slurry is applied to a pottery product through spraying or immersion, is aired and then fired in a kiln at the temperature of 1200-1235 DEG C for 8-11 hours; finally, the glaze is cooled naturally and taken out of the kiln. The prepared sea reef glaze has simple color and luster, is diversified, appears to be matte and rough and also has natural texture like clay glaze.

Description

technical field [0001] The invention relates to the field of glaze preparation, in particular to a sea reef glaze used for pottery decorations and a preparation method thereof. Background technique [0002] Existing antique pottery clay glazes are mainly produced by repeated washing and precipitation of low-temperature colored ore soil in specific areas in various places. Due to the limitation of local characteristic minerals, its color and decorative effect are single. Once the resource composition changes or the resource is exhausted, Then the ideal clay glaze cannot be prepared. Furthermore, the pottery clay glaze has been washed and precipitated for a long time, and its water content is too much to be suitable for modern industrial production. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art, to provide a kind of sea reef glaze for pottery decorations and its preparation method. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/14C04B41/86
CPCC03C8/14C04B41/5022C04B41/86C04B41/4535
Inventor 蔡万涯
Owner XIAMEN EDUNUS CERAMIC IND CO LTD
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