Inorganic ceramic paint

A technology of inorganic ceramics and coatings, applied in the direction of coatings, etc., can solve problems such as easy yellowing, poor weather resistance, hardness, chemical resistance and corrosion resistance, and achieve wide application, convenient application, and excellent hardness. Effect

Inactive Publication Date: 2017-09-26
高仁丽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since alkali metal silicates are easily soluble in water, the biggest problem of using this type of inorganic coating on the exterior wall of buildings is that the coating film has poor water resistance, and is prone to weathering and cracking after a long time.
Inorganic coatings based on silica sol-styrene-acrylic resin, although there is no problem of poor water resistance, due to the addition of modified component styrene-acrylic resin in the system, it has poor weather resistance, easy yellowing, hardness, Chemical resistance and corrosion resistance are greatly reduced

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1 example 2 example 3

[0027] Film Appearance Smooth No defect Smooth No defect Smooth No defect

[0028] 60 degree gloss 16 30 18

[0029] Pencil hardness >9H >9H >9H

[0030] Water resistance (240h) no change no change no change

[0031] Boiling water resistance (2h) no change no change no change

[0032] Flammability Non-combustible Non-combustible Non-combustible

[0033] Adhesion 100 / 100 100 / 100 100 / 100

[0034] Film thickness (μm) 80 50 100

[0035] Acid resistance (5% sulfuric acid, 48 hours) no change no change no change

[0036] Alkali resistance (5% NaOH, 48 hours) no change no change no change

[0037] Resistant to ink stains No residue No residue No residue .

[0038] "Ink pollution resistance" in Table 2 means that three drops of carbon ink were dropped on the test plate first, and after drying for 24 hours, it was washed with water containing 0.5% detergent, and the residual amount of ink was observed.

[0039] The present invention has good adhesion to various substrates, such...

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PUM

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Abstract

The invention relates to a building coating, in particular to an inorganic ceramic coating used for building walls or decorative panels. It contains 34-56% of water-based silica sol, 26-46% of alumina or hydrated alumina, 1-7% of water-soluble alcohol amine, 2-13% of calcium oxide or calcium hydroxide, and the rest for water. The invention can make a variety of building substrates (such as ceramics, glass, concrete, calcium silicate board, etc.) have good adhesion coating, and the obtained coating has excellent hardness, water resistance, stain resistance, Acid and alkali resistance, non-combustible, easy to use, can be widely used in building exterior walls and decorative panels.

Description

technical field [0001] The present invention relates to a kind of architectural paint, especially relate to a kind of inorganic ceramic paint that is used for building wall or decorative plate. Background technique [0002] The development and application of inorganic architectural coatings began after the oil crisis in the early 1970s, and a more economical and durable coating was demanded in the market. At that time, Japan first successfully researched and developed coatings with silicate inorganic polymers as film-forming substances. German companies such as BASF, Wacker, Bayer and Keimfarben also successively developed special liquid potassium silicate as the main film-forming substance. new inorganic coatings. Since then, the United States has also developed rapidly in inorganic coatings and inorganic-organic composite coatings. Since the early 1980s, there have been reports of successful research on this type of coating in my country, mainly inorganic coatings based ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/12
CPCC09D1/00
Inventor 高仁丽
Owner 高仁丽
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