A kind of wood leaf cup red base glaze and the method for making wood leaf cup by using the wood leaf cup red base glaze

A technology of Konoha and bottom glaze, which is applied in the field of ceramic materials, can solve the problems of not carefully verifying whether there are heavy metals in the porcelain, the veins of the Konoha are not clear, and cannot meet the food-grade standard, etc., so as to achieve stable firing conditions Reliable, enhance aesthetic value and aesthetic space, colorful and glossy effect

Active Publication Date: 2021-03-26
QILU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The applicant of the present invention has carried out a large number of experiments using colored glazes on the market, and found that the veins of the konjacs obtained by firing these common colored glazes are not clear or even unable to show the veins
[0005] Moreover, many colored glazes contain a large amount of heavy metals, which cannot meet food-grade standards.
For example, the patent application with the application number 2013101794973 discloses a method for preparing colorful mother liquor Tianmu porcelain and its products. It provides a method of using natural minerals and chemical raw materials to prepare colorful mother liquor Tianmu porcelain. However, the preparation raw materials of this technology glaze contain chemical raw materials, and it has not been carefully verified whether there are heavy metals in the fired porcelain. Porcelain If harmful substances are released during use, it will endanger human health

Method used

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  • A kind of wood leaf cup red base glaze and the method for making wood leaf cup by using the wood leaf cup red base glaze
  • A kind of wood leaf cup red base glaze and the method for making wood leaf cup by using the wood leaf cup red base glaze
  • A kind of wood leaf cup red base glaze and the method for making wood leaf cup by using the wood leaf cup red base glaze

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The red base glaze of the Konoha cup and the method for making the Konoha cup provided in this example adopt the raw materials and proportions of Example 1 in Table 1, and the specific production steps are as follows:

[0038] (1) Obtaining the green body: select high white porcelain clay with low iron content, and adopt the conventional body forming and trimming methods of daily-use ceramics to prepare a green body with a thickness of 2-3mm, and store the green body in Dry naturally in a cool place to make the water content of the green body reach 1-2%;

[0039] (2) Low-temperature biscuit firing: use a kiln for daily-use ceramic production to carry out low-temperature biscuit firing on the naturally dried green body. The temperature of low-temperature biscuit firing is 850°C to prepare a biscuit green body; the specific firing of low-temperature bisque firing The preparation method is: heat from room temperature to 850°C at a heating rate of 2-3°C / min, and keep warm f...

Embodiment 2

[0056] The red base glaze of the Konoha cup and the method for making Konoha cup provided in this example adopt the raw materials and proportions of Example 2 in Table 1, and the specific production steps are as follows:

[0057] (1) Obtain the green body: choose high white porcelain clay with low iron content, adopt the conventional green body molding and trimming methods of daily-use ceramics, prepare a 2-3mm thick green body, and store the green body in a cool place Dry naturally, so that the water content of the green body reaches 1-2%;

[0058] (2) Low-temperature biscuit firing: use a kiln for daily-use ceramic production to carry out low-temperature biscuit firing on the naturally dried green body. The temperature of low-temperature biscuit firing is 850°C to prepare a biscuit green body; the specific firing of low-temperature bisque firing The preparation method is: heat from room temperature to 850°C at a heating rate of 2-3°C / min, and keep warm for 30 minutes;

[00...

Embodiment 3

[0067] The red base glaze of the Konoha cup and the method for making the Konoha cup provided in this embodiment adopt the raw materials and proportioning of Example 3 in Table 1, and the specific manufacturing method differs from Example 2 in that:

[0068] In step (6), when firing at high temperature, start from room temperature, at a heating rate of 3°C / min, keep warm for 30min every 200°C, heat up to 1230°C, keep warm for 30min, and then cool naturally to room temperature.

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PUM

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Abstract

The invention discloses a red ground coat of a wood leaf cup and a method for manufacturing the wood leaf cup by adopting the red ground coat of the wood leaf cup. The red ground coat comprises glazeA and glaze B. The glaze B accounts for 10% of the weight of the glaze A. The glaze A is prepared from, by weight, 6%-8% of feldspar, 5%-6% of kaolin, 5%-6% of quartz, 5%-6% of chalk, 50%-60% of fritand 18% of pigment, and the sum of the percentages of all the raw materials is 100%. According to the red ground coat of the wood leaf cup and the method for manufacturing the wood leaf cup by adopting the red ground coat of the wood leaf cup, the color development intensity, stability, flowability and color development uniformity of the glaze are proper, the veins of leaves are clear, and the colors are gorgeous and glossy; the ground coat is free of heavy metal toxicity after being sintered at high temperature and can reach the food-grade standard; and the firing conditions are stable and reliable, the operability is high, the yield is high, the limitation that a traditional wood leaf cup adopts single black ground coat is broken through, and the development space of the wood leaf cup isexpanded.

Description

technical field [0001] The invention relates to a red base glaze for a Konoha cup and a method for making a Konoha cup by using the red bottom glaze for a Konoha cup, belonging to the technical field of ceramic materials. Background technique [0002] The Konoha cup is made by sticking the Konoha on the surface of the glazed green body and firing at high temperature. The leaves and glaze undergo complex crystal changes under high temperature and become colored, so that the meridians of the Konoha can be clearly and vividly displayed on the porcelain. High artistic value and economic value. [0003] There are strict requirements for the coloring effect of the leaves on the porcelain and the processes of glazing and firing. Although Konoha has a firing history of more than 1,200 years, black glazed porcelain has always been the most representative. For example, the patent application with the application number 201710201678X discloses a preparation method and application met...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/14C03C8/10C03C6/04C03C1/04C04B41/86C04B33/34B28B11/00
CPCB28B11/001C03C1/00C03C1/04C03C8/10C03C8/14C04B33/34C04B41/5022C04B41/86C04B2235/6562C04B2235/6567C04B2235/658C04B41/4539C04B41/0072
Inventor 冯善鑫
Owner QILU UNIV OF TECH
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