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A raw material, the technology of yellow feldspar, applied in the field of imitation Song Junlan glaze and its preparation, can solve the problems of flashy distortion, lack of simplicity and thickness of Song Jun
Inactive Publication Date: 2018-01-09
禹州市锦丰源瓷业有限公司
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The Junlan glaze in the Song Dynasty used iron as the coloring agent. Its color is thick and moist, the glaze layer is thick, the enamel is shiny, the layering is strong, the enamel is fine, and it is milky; Using the method of adding chemi...
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Embodiment 1
[0016] A glaze imitating Song Junlan, prepared from the following raw materials in parts by weight: 25-35 parts of yellow feldspar, 7-9 parts of sandstone, 4-6 parts of white clay, 13-17 parts of calcite, 18-22 parts of quartz, and talc 4-6 parts, bone ash 0.4-0.6 parts, plant ash 8-12 parts, copper ore 4-6 parts, iron ore 1.6-1.8 parts.
[0017] The preparation method of the above-mentioned imitation Song Junlan glaze comprises the following steps:
[0018] (1) Mix the above raw materials with water and ball mill to obtain a glaze slurry; the mass concentration of the glaze slurry is 56-58%;
[0019] (2) Apply glaze by dipping method, and dip glaze twice;
[0020] (3) Fired by gas firing method, the firing temperature is 1280-1300°C; the specific firing steps are: ① Oxidation stage: put the glazed green body into the kiln, and fire it in an oxidizing atmosphere so that the temperature is at 4-6h uniform rise to 1000-1050°C; ②Reduction stage: Under reducing atmosphere, the t...
Embodiment 2
[0023] A glaze imitating Song Junlan, prepared from the following raw materials in parts by weight: 30 parts of yellow feldspar, 8 parts of sandstone, 5 parts of white clay, 15 parts of calcite, 20 parts of quartz, 5 parts of talc, 0.5 parts of bone ash, and 10 parts of plant ash , 5 parts of copper ore, 1.7 parts of iron ore.
[0024] The preparation method of the above-mentioned imitation Song Junlan glaze comprises the following steps:
[0025] (1) Mix the above raw materials with water and ball mill to obtain a glaze slurry; the mass concentration of the glaze slurry is 57%;
[0026] (2) Apply glaze by dipping method, and dip glaze twice;
[0027] (3) Firing by gas firing, the specific firing steps are: ① Oxidation stage: put the glazed green body into the kiln, and fire in an oxidizing atmosphere, so that the temperature rises evenly to 1020 °C in 5 hours; ② Reduction Stage: Under a reducing atmosphere, the temperature is evenly raised to 1280-1300°C for 5.5 hours; ③Coo...
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Abstract
The invention provides imitation Song-Dynasty-style Junlan glaze, which is prepared from the following raw materials in parts by weight: 25 to 35 parts of melilite, 7 to 9 parts of Pishashi, 4 to 6 parts of white clay, 13 to 17 parts of calcite, 18 to 22 parts of quartz, 4 to 6 parts of soapstone, 0.4 to 0.6 part of bone ash, 8 to 12 parts of plant ash, 4 to 6 parts of copper ore and 1.6 to 1.8 parts of iron ore. In the glaze material provided by the invention, the melilite, the calcite, the quartz and the soapstone are common use glaze preparation raw materials; the white clay and the Pishashi with higher iron content are used for replacing partial feldspar; the color development is facilitated; phosphorus element is introduced by using the bone ash and the plant ash, so that the color ofthe generated glaze is simple and unsophisticated; the copper ore and the iron ore are used as coloring agents and color promoting agents; no chemical raw material is used, so that the fired Junlan glaze has the simple, unsophisticated and massive glaze color; the glaze texture is bright, smooth and textured; the finished product rate reaches 88 percent or higher.
Description
technical field technical field [0001] The invention belongs to the technical field of Jun porcelain production, and in particular relates to a Song Junlan glaze and a preparation method thereof. Background technique [0002] Jun porcelain is one of the five famous porcelains in the Song Dynasty in my country. It began in the Tang Dynasty and flourished in the Song Dynasty. It is famous for its unique "kiln transformation" glaze color. The Junlan glaze in the Song Dynasty used iron as the coloring agent. Its color is thick and moist, the glaze layer is thick, the enamel is shiny, the layering is strong, the enamel is fine, and it is milky; Using the method of adding chemical raw materials such as iron oxide, cobalt oxide, copper oxide, zinc oxide, etc., after firing, the glaze color is bright and gorgeous without transition color, but it is too flashy and distorted, and lacks the simple and heavy style of Song Jun. Contents of the invention [0003] The object of the ...
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