Preparation method of alkali metal-based fluorophlogopite sheet

A technology of fluorphlogopite and alkali metal fluoride, which is applied in the direction of aluminum silicate and silicate, can solve the problems of artificial mica crystals, single formula, and poor versatility, and achieve fewer types of raw materials, simple operation, and universal strong effect

Inactive Publication Date: 2020-04-10
梅州市三宝光晶云母科技有限公司
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  • Description
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  • Application Information

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Problems solved by technology

This technical solution synthesizes high-quality synthetic fluorophlogopite by optimizing the formula of raw materials. The synthetic fluorophlogopite is not mixed with other crystals and meets the requirements of pearlescent packaging. It is clear, transparent, flexible, complete in crystallization, large in size, and electrically insulating. Good; but the formula is relatively simple and has poor versatility, which cannot meet the market's demand for higher purity and more functionalization of artificial mica crystals

Method used

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  • Preparation method of alkali metal-based fluorophlogopite sheet
  • Preparation method of alkali metal-based fluorophlogopite sheet
  • Preparation method of alkali metal-based fluorophlogopite sheet

Examples

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Embodiment 1

[0034] A preparation method with conductive sodium type fluorphlogopite mica sheet, comprising the steps of:

[0035] (1) After the raw materials pass the inspection, use a grinder to grind to 90 mesh and then dry to make the water content 0.5%, and set aside;

[0036] (2) Take the raw materials according to the mass ratio, wherein the components of the raw materials are: 45% of quartz sand, 25% of seawater magnesia, 13% of alumina, 8% of magnesium fluoride, 9% of sodium fluoride, mixed and stirred evenly mixed raw materials;

[0037] (3) Add the mixed raw materials obtained in step (2) into the internal heat furnace, first add 2 / 3 of the total amount; the internal heat furnace is made of three-grade high-alumina refractory bricks, and the mixed raw materials are compacted with heavy objects to increase the material density , and discharge excess air; energized for melting, the raw materials are heated and decomposed in the internal heating furnace, the molten gas is volatili...

Embodiment 2

[0043] A kind of preparation method with insulating performance potassium type fluorine phlogopite sheet, comprises the following steps:

[0044] (1) After the raw materials pass the inspection, use a grinder to grind to 80 mesh and then dry to make the water content 0.4%, and set aside;

[0045] (2) Take the raw materials according to the mass ratio, wherein the components of the raw materials are: 43% of quartz sand, 24% of seawater magnesia, 12% of aluminum oxide, 7% of magnesium fluoride, 14% of potassium fluoride, mixed and stirred evenly mixed raw materials;

[0046] (3) Add the mixed raw materials obtained in step (2) into the internal heat furnace, first add 2 / 3 of the total amount; the internal heat furnace is made of three-grade high-alumina refractory bricks, and the mixed raw materials are compacted with heavy objects to increase the material density , and exhaust the excess air; power on for melting, the raw materials are heated and decomposed in the inner heatin...

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Abstract

The invention discloses a preparation method of an alkali metal-based fluorophlogopite sheet. The preparation method comprises the following steps: (1) inspecting raw materials, grinding, and drying;(2) weighing the raw materials, and stirring and mixing; (3) melting the raw materials; (4) carrying out heat preservation; (5) cutting off power, and naturally cooling and crystallizing; and (6) blowing in, and taking out the alkali metal-based fluorophlogopite sheet. According to the invention, according to sodium type fluorophlogopite, potassium type fluorophlogopite and other substances prepared by the method, fluorophlogopite sheets are endowed with various different material characteristics so as to meet the requirements of more industries.

Description

technical field [0001] The invention belongs to the technical field of synthesis of artificial mica flakes, and in particular relates to a preparation method of alkali metal-based fluorophlogopite mica flakes. Background technique [0002] my country's natural mica reserves are small and increasingly depleted, and it is an inevitable trend that artificial mica will gradually replace natural mica; over the past few years, my country's research and development and promotion of artificial mica have made significant progress, contributing to my country's national economic construction. [0003] Artificial mica crystals are layered silicate compounds formed from high-purity chemical raw materials and high-quality mineral raw materials through high-temperature reaction, melting, cooling, crystallization, and growth; structurally, fluorine is used to replace the hydroxyl groups in natural mica, increasing Structural stability also endows it with more diversified properties. Its gen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B33/26
CPCC01B33/26C01P2004/03C01P2006/40
Inventor 李祈霖
Owner 梅州市三宝光晶云母科技有限公司
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