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A corrosion-resistant glass-ceramic

A glass-ceramic and corrosion-resistant technology, which is applied in the field of glass products, can solve the problems of small space for glass-ceramics, inhibit the development of glass-ceramics, and is not easy to process and shape, and achieve good machinability, low water absorption, and anti-corrosion. The effect of high flexural compressive strength

Inactive Publication Date: 2021-06-22
安徽凤阳亚欧玻璃工艺品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The glass-ceramics produced by the current mature glass-ceramic production methods all have shortcomings such as high surface porosity, low strength, high brittleness, and difficulty in processing and molding, which in turn leads to small use space, poor durability, and low market share of glass-ceramics. low, seriously inhibiting the development of the glass-ceramic industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A corrosion-resistant glass-ceramic, made of the following components in parts by weight: waste glass 68, micron-sized silicon dioxide 25, potassium silicate 3, mullite 5, forsterite 6, ceramic fiber 2, activated aluminum Bauxite 5, andalusite powder 3, magnesium chrome spinel 2, sodium fluorosilicate 1.

[0015] Further, the preparation method of the activated bauxite is:

[0016] Mix a certain amount of bauxite with deionized water to prepare a bauxite aqueous suspension with a mass concentration of 6.8%, add potassium phosphate with a mass concentration of 0.39% of bauxite, heat to 55°C, add it to a high-speed mixer at 2000r Stir at a speed of 1500r / min for 40min, then heat to 72°C, add lanthanum chloride with a mass of 0.02% of the suspension, stir at a speed of 1500r / min for 2 hours, filter, wash with deionized water, and dry to constant weight. Then calcined at 850°C for 20 minutes, and cooled naturally to room temperature.

[0017] Further, the waste glass is s...

Embodiment 2

[0022] A corrosion-resistant glass-ceramic, made of the following components in parts by weight: waste glass 80, micron-sized silicon dioxide 32, potassium silicate 6, mullite 8, forsterite 10, ceramic fiber 5, activated aluminum Bauxite 9, andalusite powder 5, magnesium chrome spinel 4, sodium fluorosilicate 5.

[0023] Further, the preparation method of the activated bauxite is:

[0024] Mix a certain amount of bauxite with deionized water to prepare a bauxite aqueous suspension with a mass concentration of 6.8%, add potassium phosphate with a mass concentration of 0.39% of bauxite, heat to 55°C, add it to a high-speed mixer at 2000r Stir at a speed of 1500r / min for 40min, then heat to 72°C, add lanthanum chloride with a mass of 0.02% of the suspension, stir at a speed of 1500r / min for 2 hours, filter, wash with deionized water, and dry to constant weight. Then calcined at 850°C for 20 minutes, and cooled naturally to room temperature.

[0025] Further, the waste glass is ...

Embodiment 3

[0030] A corrosion-resistant glass-ceramic, made of the following components in parts by weight: waste glass 70, micron-sized silicon dioxide 28, potassium silicate 5, mullite 6, forsterite 8, ceramic fiber 3, activated aluminum Bauxite 8, andalusite powder 4, magnesium chromium spinel 3, sodium fluorosilicate 2.

[0031] Further, the preparation method of the activated bauxite is:

[0032] Mix a certain amount of bauxite with deionized water to prepare a bauxite aqueous suspension with a mass concentration of 6.8%, add potassium phosphate with a mass concentration of 0.39% of bauxite, heat to 55°C, add it to a high-speed mixer at 2000r Stir at a speed of 1500r / min for 40min, then heat to 72°C, add lanthanum chloride with a mass of 0.02% of the suspension, stir at a speed of 1500r / min for 2 hours, filter, wash with deionized water, and dry to constant weight. Then calcined at 850°C for 20 minutes, and cooled naturally to room temperature.

[0033] Further, the waste glass is...

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Abstract

The invention discloses a corrosion-resistant glass-ceramic, which relates to the technical field of glass products and is made of the following components: waste glass, micron-level silicon dioxide, potassium silicate, mullite, forsterite, ceramic fiber, and activated aluminum Alumina, andalusite powder, magnesia-chrome spinel, sodium fluorosilicate; the corrosion-resistant glass-ceramics prepared by the present invention eliminates pores of different sizes and uneven distribution in the structure of glass-ceramics prepared by the prior art , Small water absorption.

Description

technical field [0001] The invention belongs to the technical field of glass products, and in particular relates to a corrosion-resistant glass-ceramic. Background technique [0002] Glass-ceramics, also known as ceramic glass, has dual characteristics of glass and ceramics; glass-ceramics is composed of crystals, and its atomic arrangement is regular. Therefore, glass-ceramics has higher brightness than ceramics and stronger toughness than glass. Glass-ceramics combines the triple advantages of glass, ceramics and natural stone, and is superior to natural stone and ceramics. It can be used in building curtain walls and indoor high-end decoration, becoming an ideal substitute for high-grade stone. The glass-ceramics produced by the current mature glass-ceramic production methods all have shortcomings such as high surface porosity, low strength, high brittleness, and difficulty in processing and molding, which in turn leads to small use space, poor durability, and low market ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C14/00C03C10/00C03C6/06C03C6/02C03C1/02
CPCC03C1/024C03C1/026C03C10/0063C03C14/002
Inventor 陈雪钰
Owner 安徽凤阳亚欧玻璃工艺品有限公司
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