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High-temperature-resistant metal plate adopting inorganic coating and preparation method thereof

An inorganic coating and high temperature resistant technology, applied in coatings, fireproof coatings, etc., can solve problems that affect the safe operation of equipment, poor corrosion resistance, weather resistance, and inability to maintain product functions for a long time

Inactive Publication Date: 2021-04-09
舾蒙新材料科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Metal materials are usually used as the base material in the form of metal plates. Although the metal base material has good fire resistance, is hard and durable, its corrosion resistance and weather resistance are poor, and during long-term use, high temperature will affect the metal base material. It has a great impact, seriously affecting the service life of the metal base material, and also affecting the safe operation of the equipment
In the prior art, a paint layer is usually used to protect the metal substrate, but the traditional paint layer cannot provide effective high-temperature protection for the metal substrate. After a period of use, the protective function of the paint layer gradually weakens under the action of ultraviolet rays. It is impossible to maintain the function of the product for a long time or to improve the function of the metal substrate product itself

Method used

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  • High-temperature-resistant metal plate adopting inorganic coating and preparation method thereof

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Effect test

Embodiment 1

[0024] A high-temperature-resistant metal plate with an inorganic coating, comprising a metal substrate and an inorganic coating coated on the substrate, the metal substrate is a carbon steel plate, and the thickness of the inorganic coating is 32 μm, wherein the inorganic coating includes The following components in parts by mass: 39 parts of nano-silica sol, 45 parts of organosilane, 8 parts of functional filler, 12 parts of water, 20 parts of inorganic pigment, 2.1 parts of functional additive, and 1.2 parts of thickener.

[0025] In the above formula, the organosilane is methyltrimethoxysilane. The thickener is fumed silica with a particle size of less than 1 μm. The functional filler is a mixture of boron nitride, silicon nitride, potassium titanate and alumina. The inorganic pigment is a mixture of titanium dioxide and iron oxide red. Functional additives include leveling agent, defoamer and organosilane, wherein the leveling agent is selected from polyether-modified d...

Embodiment 2

[0036] A high temperature resistant metal plate with an inorganic coating, comprising a metal substrate and an inorganic coating coated on the substrate, the metal substrate is an aluminum plate material, and the thickness of the inorganic coating is 45 μm, wherein the inorganic coating includes The following components in parts by mass: 25 parts of nano-silica sol, 36 parts of organosilane, 5 parts of functional filler, 5 parts of water, 10 parts of inorganic pigment, 0.1 part of functional additive, and 0.1 part of thickener.

[0037] In the above formula, the organosilane is ethyltriethoxysilane. The thickener is fumed silica with a particle size of less than 1 μm. The functional filler is a mixture of alumina, potassium titanate and silicon carbide. The inorganic pigments are titanium dioxide and copper chrome black. Functional additives include leveling agent, defoamer and organosilane, wherein the leveling agent is polyester-modified dimethylpolysiloxane copolymer, and...

Embodiment 3

[0045] A high-temperature-resistant metal plate with an inorganic coating, comprising a metal substrate and an inorganic coating coated on the substrate, the metal substrate is a cold-rolled steel plate material, and the thickness of the inorganic coating is 20 μm, wherein the inorganic coating The layer includes the following components in parts by mass: 45 parts of nano-silica sol, 25 parts of organosilane, 10 parts of functional filler, 15 parts of water, 15 parts of inorganic pigment, 3 parts of functional additive, and 2 parts of thickener .

[0046] In the above formula, the organosilane is tetraethoxysilane. The thickener is fumed silica with a particle size of less than 1 μm. The functional filler is a mixture of potassium titanate, boron nitride and alumina. The inorganic pigment is cobalt blue. Functional additives include leveling agent, defoamer and organosilane, wherein the leveling agent is selected from polyether-modified methyl alkylpolysiloxane copolymer, a...

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Abstract

The invention discloses a high-temperature-resistant metal plate adopting an inorganic coating, which comprises a metal base material and the inorganic coating coated on the base material, wherein the inorganic coating comprises the following components by mass: 25-45 parts of nano silicon dioxide sol, 25-45 parts of organosilane, 5-15 parts of functional filler, 5-15 parts of water, 10-20 parts of inorganic pigment, 0.1-3 parts of a functional assistant and 0.1-2 parts of a thickener. The product has stable heat resistance, high weather resistance, high chemical resistance, high wear resistance and high hardness, and the product reaches A1-grade fireproof performance.

Description

technical field [0001] The invention relates to the technical field of surface engineering, in particular to a high-temperature-resistant metal plate with an inorganic coating and a preparation method thereof. Background technique [0002] Metal material refers to the collective name of metal elements or materials with metal properties mainly composed of metal elements, including pure metals, alloys, intermetallic compounds and special metal materials. With the continuous advancement of science and technology, metal materials are used in more and more places, such as the automotive industry, building materials industry, kitchen supplies, public spaces and rail transit facilities. [0003] Metal materials are usually used as the base material in the form of metal plates. Although the metal base material has good fire resistance, is hard and durable, its corrosion resistance and weather resistance are poor, and during long-term use, high temperature will affect the metal base ...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D7/61C09D7/63C09D5/18
CPCC09D1/00C09D5/18C09D7/61C09D7/63
Inventor 王婧邹沁怡
Owner 舾蒙新材料科技(上海)有限公司
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