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A modified Nixing pottery clay material, its shaped product and preparation process

A kind of Nixing pottery and modification technology, which is applied to clay products, other household utensils, household utensils, etc., can solve the problems of small drying shrinkage, shrinkage less than 10%, good viscosity, etc., and achieve flexural strength Large, high yield, good plastic effect

Active Publication Date: 2022-03-04
钦州市義陶阁坭兴陶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although Nixing pottery has many special advantages, it is quite different from Yixing pottery. Yixing pottery is made of purple sand mud with a special aggregate structure and double pore structure, which is specially produced in Yixing. The mud is a stone material. , good plasticity, good viscosity, small drying shrinkage rate, less than 10% shrinkage rate

Method used

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  • A modified Nixing pottery clay material, its shaped product and preparation process
  • A modified Nixing pottery clay material, its shaped product and preparation process
  • A modified Nixing pottery clay material, its shaped product and preparation process

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Effect test

Embodiment 1

[0027] A modified Nixing pottery clay material is made of the following raw materials in weight percentage: 45.0% of eastern clay, 32.0% of western clay, 15.0% of nano-porous silicon dioxide, and 8.0% of nano-calcium oxide.

[0028] The preparation method of the above-mentioned modified Nixing pottery clay material comprises the following preparation steps: first weigh the nanoporous silica and pour it into a beaker, heat it to 105°C, and then weigh 10% of the weight of the nanoporous silica Oxysilane coupling agent, and acetic acid is added to the coupling agent as a hydrolysis catalyst, and the pH value is adjusted to 4.0, and then the coupling agent is added to the nanoporous silica by atomization, at a temperature of 105°C Keep it warm for 30 minutes, and keep stirring, then dry and sieve to obtain the modified nanoporous silica; then put the modified nanoporous silica and the above-mentioned components in the weight ratio of the mud into the planetary Stir and pulverize i...

Embodiment 2

[0033] A modified Nixing pottery clay material is made of the following raw materials in weight percentage: 55.0% of eastern clay, 30.0% of western clay, 8.0% of nano-porous silicon dioxide, and 7.0% of nano-calcium oxide.

[0034] The preparation method of the above-mentioned modified Nixing pottery clay material comprises the following preparation steps: first weigh the nanoporous silica and pour it into a beaker, heat it to 100°C, and then weigh 10% of the weight of the nanoporous silica Oxysilane coupling agent, and acetic acid is added to the coupling agent as a hydrolysis catalyst, and the pH value is adjusted to 3.5, then the coupling agent is added to the nanoporous silica by atomization, and the temperature is kept for 30min , and constantly stirred, then dried and sieved to obtain modified nanoporous silica; then put the components according to the weight ratio of the above mud ingredients into a planetary mixer for stirring and crushing for 6 hours, and the pulverize...

Embodiment 3

[0039]A modified Nixing pottery clay material is made of the following raw materials in weight percentage: 40.0% of eastern clay, 42.0% of western clay, 13.0% of nano-porous silicon dioxide, and 5.0% of nano-calcium oxide.

[0040] The preparation method of the above-mentioned modified Nixing pottery clay material comprises the following preparation steps: first weigh the nanoporous silica and pour it into a beaker, heat it to 110°C, and then weigh 10% of the nanoporous silica weight methacryloyl Oxysilane coupling agent, and acetic acid is added to the coupling agent as a hydrolysis catalyst, and the pH value is adjusted to 5.5, then the coupling agent is added to nanoporous silica by atomization, and kept at this temperature for 30min , and constantly stirred, then dried and sieved to obtain modified nanoporous silica; then put the components according to the weight ratio of the above mud ingredients into a planetary mixer for stirring and pulverizing for 4 hours, and the pul...

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Abstract

The invention discloses a modified Nixing pottery clay material, its shaped product and a preparation process, belonging to the technical field of ceramics. The modified Nixing pottery clay material of the present invention is made of the following raw materials in weight percentage: Dongni 35.0%-55.0%, Ximu 25.0%-45.0%, nano-porous silicon dioxide 5.0%-15.0%, nano-calcium oxide 5.0%‑15.0%. The modified Nixing pottery clay material of the present invention has the characteristics of good viscosity, low shrinkage rate, good plasticity, etc., which makes Nixing pottery easier to process, and the performance of Nixing pottery products produced by it is better.

Description

【Technical field】 [0001] The invention relates to the technical field of ceramics, in particular to a modified Nixing pottery clay material, its shaped product and a preparation process. 【Background technique】 [0002] Nixing pottery is made of purple red clay unique to the east and west sides of Qinjiang River in Guangxi. material to make. During the firing process, there is no need for glazing and painting. When the furnace temperature rises to the critical point of 1200°C, a "kiln change" will occur, and various colors and colors such as purple, sky blue, tiger spot, flame, and rosy clouds will naturally form. Texture, called "natural pottery color", is a major artistic feature of unglazed Nixing pottery. Moreover, as one of the four famous pottery in China, Nixing pottery has the advantages of acid and alkali resistance, non-toxicity, and its unique natural double pore structure that is breathable and impermeable, which is conducive to long-term storage of food. [00...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/13C04B33/32C04B33/24
CPCC04B33/131C04B33/1305C04B33/1315C04B33/24C04B33/32C04B2235/3418C04B2235/6562C04B2235/6565C04B2235/96
Inventor 石海信王荣健陈延王廷革李根
Owner 钦州市義陶阁坭兴陶有限公司