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Blank for medium-temperature firing through-flower porcelain and preparation method for medium-temperature firing through-flower porcelain

A through-flower porcelain, medium-temperature technology, used in applications, clay products, household appliances, etc., can solve the problems of whiteness, adverse effects of light transmittance, high impurity content, and limited addition of porcelain blanks, and achieve good decorative effects. Low firing temperature, the effect of lowering firing temperature

Active Publication Date: 2016-08-17
潮州市广嘉陶瓷制作有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To reduce the firing temperature of ceramics, the usual method is to increase the proportion of flux components in the blank. Since the flux is a barren mineral, it will inevitably have an adverse effect on the plasticity and water retention of the blank; at the same time, due to the clay with good plasticity The content of impurities is high, which will cause adverse effects on the whiteness and light transmittance of the porcelain blank after adding, and the amount of addition is limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] 1) Preparation of blank: The blank is made of the following raw materials in parts by mass: 30 parts of quartz, 50 parts of high-alumina clay, 20 parts of synthetic flux, and 1 part of polyvinyl alcohol. The synthetic flux used is made of quartz, borax, spodumene , limestone, zircon and trace amounts of cobalt oxide are mixed, melted at a high temperature of 1300 ℃, and water-quenched into a frit, which contains the following chemical components in parts by mass: SiO 2 64 copies, B 2 o 3 13 copies, Al 2 o 3 6 parts, CaO 2 parts, Na 2 O 6 parts, Li 2 O 2 parts, ZrO 2 4 copies, Co. 3 o 4 0.1 part;

[0034] 2) Grouting molding: Pour the mud into the plaster mold, after standing for a period of time, when the thickness of the green body reaches 4mm, pour out the mud, and take out the green body when the moisture content of the green body is reduced to 18%;

[0035] 3) Engraving through the flower: press the pattern on the surface of the billet manually, and re...

Embodiment 2

[0043] 1) Preparation of blank: The blank is made of the following raw materials in parts by mass: 25 parts of quartz, 60 parts of high-alumina clay, 15 parts of composite flux, and 1.5 parts of carboxymethyl cellulose. The synthetic flux used is made of quartz, borax, lithium After mixing pyroxene, limestone, zircon and a small amount of cobalt oxide, the frit is melted at a high temperature of 1300 ℃ and water quenched. It contains the following chemical components in parts by mass: SiO 2 64 copies, B 2 o 3 13 copies, Al 2 o 3 6 parts, CaO 2 parts, Na 2 O 6 parts, Li 2 O 2 parts, ZrO 2 4 copies, Co. 3 o 4 0.2 copies;

[0044] 2) Grouting molding: Pour the mud into the plaster mold, after standing for a period of time, when the thickness of the green body reaches 4mm, pour out the mud, and take out the green body when the moisture content of the green body is reduced to 18%;

[0045] 3) Engraving through the flower: press the pattern on the surface of the billet...

Embodiment 3

[0053] 1) Preparation of blank: The blank is made of the following raw materials in parts by mass: 30 parts of quartz, 55 parts of high-alumina clay, 15 parts of composite flux, and 1 part of carboxymethyl cellulose. The synthetic flux used is made of quartz, borax, lithium After mixing pyroxene, limestone, zircon and a small amount of cobalt oxide, the frit is melted at a high temperature of 1300 ℃ and water quenched. It contains the following chemical components in parts by mass: SiO 2 66 copies, B 2 o 3 12 copies, Al 2 o 3 8 parts, CaO 3 parts, Na 2 O 5 parts, Li 2 O 3 parts, ZrO 2 3 copies, Co. 3 o 4 0.15 copies;

[0054] 2) Grouting molding: Pour the mud into the plaster mold, after standing for a period of time, when the thickness of the green body reaches 4mm, pour out the mud, and take out the green body when the moisture content of the green body is reduced to 18%;

[0055] 3) Engraving through the flower: press the pattern on the surface of the billet m...

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PUM

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Abstract

The invention discloses a blank for medium-temperature firing through-flower porcelain and a preparation method for medium-temperature firing through-flower porcelain. Synthetic flux is added to the blank of the invention, and multiple flux components are combined to exert a composite fluxing effect. In the case of not increasing the amount of flux, the firing temperature is greatly reduced; the preparation steps of the medium-temperature firing through-flower porcelain of the present invention include preparing blanks, grouting molding, carving through-flowers, kneading and pasting porcelain flowers, and glazing. Firing in an oxidizing atmosphere at 1280°C, painted and decorated, and baked at 750-800°C. The present invention greatly reduces the firing temperature of the through-flower porcelain through the experimental research on the formula of synthetic flux, blank and glaze, and oxidizes and fires the through-flower porcelain at a medium temperature of 1250°C, so that all the medium-temperature colorants can be stabilized The color development greatly enriches the color of Tonghua porcelain, and the appearance is more beautiful, and the firing temperature is low and the firing cycle is short. The invention not only saves energy and reduces consumption, but also improves the quality grade of products.

Description

technical field [0001] The invention relates to a blank for medium-temperature firing through-flower porcelain and a preparation method for medium-temperature firing through-flower porcelain, belonging to the technical field of inorganic non-metallic material synthesis. Background technique [0002] Tonghua Porcelain is a kind of carved and hollowed out decorative art with unique local characteristics in Fengxi, Chaozhou. Using the art of three-dimensional hollowing out, engraving transparent geometric patterns on the porcelain body, posting flowers of different shapes hand-kneaded, after firing, there is an artistic effect of white as jade, thin as paper, and thin as silk. After being hand-painted or spray-painted, after roasting, it looks like a flower, and it is difficult to distinguish the true from the false. In order to meet the needs of carving hollows and hand-kneading flowers of different shapes, the blanks are required to have good plasticity and water retention. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/22C04B33/24
Inventor 邱伟志黄玉銮
Owner 潮州市广嘉陶瓷制作有限公司
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