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Water-based fireproof elastic coating material

An elastic coating, water-based technology, applied in fire-resistant coatings, coatings, etc., can solve the problems of wear resistance, high cost, low bonding force, etc.

Inactive Publication Date: 2021-05-18
LANGFANG HUARI FURNITURE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Because of the inherent nature of the material, wooden utensils, plastics, rubber, etc. are widely used in the fields of construction and furniture because they are easy to shape and have excellent tactility.
Looking at the entire domestic coatings market, there are many types of coatings, but most of them have protective and decorative functions. Most of the protective coatings only have water resistance, alkali resistance, and stain resistance. Special fireproof coatings are also It only has relatively simple flame retardant properties, and most of them are organic-based coatings, which contain harmful ingredients to the human body; a small amount of water-based coatings have the defects of easy cracking and low binding force; a few fire-resistant elastic coatings with excellent performance are mostly used in For high-end furniture, its raw materials are difficult to obtain, the cost is high, and it is not wear-resistant, so the scope of application is very limited
[0003] After searching, the Chinese patent authorization number is CN100347252C, which discloses a method for improving the wear resistance of coatings by using dispersed high-hardness inorganic boron nitride, but the cost of boron nitride is higher than that of most metal oxides, and the invention describes The coating does not have self-lubricating properties, which affects the actual use effect; in addition, other material components of the invention are mainly organic substances such as acrylic resin or silicone resin, which are not resistant to high temperature
[0004] After retrieval, the Chinese patent authorization number is CN101906347A, which discloses the use of graphite and metal oxides as a method to improve wear resistance or antifriction performance, but it does not combine metal oxides and self-lubricating substances with the matrix well, and can only be applied It is suitable for wear-resistant surfaces that do not require high binding force; in addition, the dispersants used in this invention are all organic substances that are not resistant to high temperatures, and will volatilize toxic and harmful substances such as formaldehyde at high temperatures, which will affect environmental protection and people's health.

Method used

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  • Water-based fireproof elastic coating material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A water-based fireproof elastic coating, which is formed by mixing water solvent, emulsion and solids according to the water solvent:solid mass ratio of 1.2:1:1; the water solvent is 20% sodium silicate by mass percentage, 70% of water, 10% of water-soluble potassium hydroxide; the emulsion contains 20% of styrene, 20% of methyl methacrylate, 50% of deionized water, and 10% of initiator; Composed of 50% dialuminum, 40% earthy graphite, and 10% clay; the fineness of the earthy graphite is 200 mesh, and the fineness of the clay is 200 mesh.

[0030] Its production steps are:

[0031] a. First mix and stir the powdered metal oxide and graphite evenly;

[0032] b. Add clay and stir again;

[0033] c. Add the solid matter obtained above into the water solvent, and stir evenly at a temperature of 70-80°C;

[0034] d. Add the above-mentioned liquid into a reaction kettle equipped with a stirring device, a nitrogen protection device and a feeding device, and then add the emu...

Embodiment 2

[0038] A water-based fireproof elastic coating, which is formed by mixing water solvent, emulsion and solids according to the water solvent:solid mass ratio of 1:1:1; the water solvent is 35% sodium silicate by mass percentage, 50% of water, 15% of water-soluble potassium hydroxide; the emulsion contains 30% of styrene, 10% of methyl methacrylate, 45% of deionized water, 5% of initiator, and the solid content is trioxide by mass percentage 40% dialuminum, 45% earthy graphite, and 15% clay; the fineness of the earthy graphite is 400 mesh, and the fineness of the clay is 400 mesh.

[0039] The production steps are:

[0040] a. Mix and stir the powdered metal oxide and graphite evenly;

[0041] b. Add clay and stir again;

[0042] c. Add the solid matter obtained above into the water solvent, and stir evenly at a temperature of 70-80°C;

[0043] d. Put the above liquid into a reaction kettle equipped with a stirring device, a nitrogen protection device and a feeding device, th...

Embodiment 3

[0047]A water-based fireproof elastic coating, which is formed by mixing water solvent and solid matter according to the water solvent: solid matter mass ratio of 1.1:1; the water solvent is 30% sodium silicate and 60% water by mass percentage, Water-soluble potassium hydroxide 10%; the emulsion contains 25% styrene, 15% methyl methacrylate, 52% deionized water, and 8% initiator; the solid content is 45% aluminum oxide by mass percentage , 40% of earthy graphite and 15% of clay; the fineness of the earthy graphite is 400 mesh, and the fineness of the clay is 400 mesh.

[0048] The production steps are:

[0049] a. First mix and stir the powdered metal oxide and graphite evenly;

[0050] b. Add clay and stir again;

[0051] c. Add the solid matter obtained above into the water solvent, and stir evenly at a temperature of 70-80°C;

[0052] d. Add the above-mentioned liquid into a reaction kettle equipped with a stirring device, a nitrogen protection device and a feeding devic...

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PUM

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Abstract

The invention discloses a water-based fireproof elastic coating material, which comprises an emulsion, a water solvent and a solid substance and is characterized in that the water solvent and the solid substance are mixed according to the mass ratio of the water solvent to the emulsion to the solid substance being (1.0-1.2):1:1, the water solvent is composed of sodium silicate, water and water-soluble alkali, the emulsion is composed of styrene, methyl methacrylate, deionized water and an initiator, and the solid substance is composed of metal oxide, graphite and clay. According to the invention, the raw materials are wide in source, easy to prepare and low in production cost; the metal oxide and the graphite are well combined by the clay, so that the binding force and the universality of the coating are improved, and the binding force of the coating material is further improved by adding the tackifier; all main components are inorganic substances, and are environment-friendly and sanitary; a water-based solvent is adopted, so that environment friendliness is achieved, universality is high, and the coating material is suitable for most material surfaces; and in the solid substance, the metal oxide is wear-resistant, and the graphite is added for self-lubrication, so that the wear resistance and the antifriction property of the coating material are improved.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based fireproof elastic coating. Background technique [0002] Because of the inherent nature of the material, wooden utensils, plastics, rubber, etc. are widely used in the fields of architecture and furniture because they are easy to form and have excellent touch. Looking at the entire domestic coatings market, there are many types of coatings, but most of them have protective and decorative functions. Most of the protective coatings only have water resistance, alkali resistance, and stain resistance. Special fireproof coatings are also It only has relatively simple flame retardant properties, and most of them are organic-based coatings, which contain harmful ingredients to the human body; a small amount of water-based coatings have the defects of easy cracking and low binding force; a few fire-resistant elastic coatings with excellent performance are mostly used in F...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/18C09D7/61C09D7/65C09D7/20
CPCC09D1/00C09D5/18C09D7/20C09D7/61C09D7/65
Inventor 赵子楠陈凤义刘毅郭洪武
Owner LANGFANG HUARI FURNITURE CO LTD