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A kind of water-based high temperature and high humidity resistant inorganic coating and preparation method thereof

An inorganic coating, high temperature resistant technology, applied in the direction of coating, can solve the problems of drying time, hardness, fullness, water resistance, heat resistance and strong acid and alkali resistance, etc., to achieve adjustable gloss, sandability and Good filling and good alcohol resistance

Active Publication Date: 2020-06-09
HEFEI KETIAN WATERBORNE TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Based on the above reasons, the performance of water-based ordinary coatings is still far behind that of solvent-based coatings. It is far inferior to similar types of coatings in terms of drying time, hardness, fullness, water resistance, heat resistance, and strong acid and alkali resistance. solvent-based paint

Method used

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  • A kind of water-based high temperature and high humidity resistant inorganic coating and preparation method thereof
  • A kind of water-based high temperature and high humidity resistant inorganic coating and preparation method thereof
  • A kind of water-based high temperature and high humidity resistant inorganic coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] 1) Put 150kg of water into the mixer in advance, then add 4kg of hydroxyethyl cellulose (model 250HBR), 10kg of water-based dispersant (model CA2500) and 3kg of water-based defoamer (model BASF2134), and adjust the stirring speed to 300r / min , mixed and dispersed for 5 minutes;

[0057] 2) Add 15kg of water-based co-solvent (EPH-6) and 1.5kg of water-based wetting agent (model BD-109), increase the stirring speed to 1300r / min, and disperse at high speed for 10min;

[0058]3) Add 10kg of water, then add 170kg of titanium dioxide and 125kg of calcium silicate (1250 mesh), disperse at high speed for 5 minutes, then add 50kg of mica powder and 50kg of talcum powder while stirring, disperse at high speed for 35 minutes, test the fineness and cleanliness, That is, the semi-finished product of the slurry mixture is obtained;

[0059] 4) Adjust the rotation speed to 300r / min, add 125kg of fluorocarbon emulsion (model DF01) and 125kg of inorganic silica sol in turn while stirri...

Embodiment 2

[0061] 1) Put 150kg of water into the mixer in advance, then add 4kg of hydroxyethyl cellulose (model 250HBR), 10kg of water-based dispersant (model CA2500) and 3kg of water-based defoamer (model BASF2134), and adjust the stirring speed to 300r / min , mixed and dispersed for 5 minutes;

[0062] 2) After adding 15kg of water-based cosolvent (EPH-6) and 1.5kg of water-based wetting agent (model BD-109), increase the stirring speed to 1300r / min, and disperse at high speed for 10 minutes;

[0063] 3) Add 10kg of water, then add 170kg of titanium dioxide and 125kg of calcium carbonate (1250 mesh, Jiaoling, Guangdong) and disperse at high speed for 5 minutes, then add 50kg of talcum powder and 50kg of mica powder while stirring, disperse at high speed for 35 minutes, and test the fineness, Cleanliness, i.e. obtaining a semi-finished product of the slurry mixture;

[0064] 4) Adjust the rotation speed to 300r / min, add 125kg of fluorocarbon emulsion (model DF01) and 125kg of inorganic...

Embodiment 3

[0066] 1) Put 150kg of water into the mixer in advance, then add 4kg of hydroxyethyl cellulose (model 250HBR), 10kg of water-based dispersant (model CA2500) and 3kg of water-based defoamer (model BASF2134), adjust the stirring speed to 300r / min, Mix and disperse for 5 minutes;

[0067] 2) After adding 17.5kg of water-based cosolvent (EPH-6) and 1.5kg of water-based wetting agent (model BD-109), increase the stirring speed to 1200r / min, and disperse at high speed for 10min;

[0068] 3) Add 10kg of water, then add 170kg of titanium dioxide and 125kg of barium sulfate (1250 mesh), disperse at high speed for 5 minutes, then add 50kg of talcum powder and 50kg of mica powder while stirring, disperse at high speed for 30 minutes, and test the fineness and cleanliness, that is Obtain semi-finished products of slurry mixture;

[0069] 4) Adjust the rotation speed to 300r / min, add 125kg of fluorocarbon emulsion (model DF01), 100kg of inorganic silica sol and 125kg of inorganic potassiu...

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Abstract

The invention provides a waterborne high-temperature-resistant high-humidity-resistant inorganic coating and a preparation method thereof. The coating comprises, by weight, 0.2-1% of cellulose, 10-20%of inorganic potassium silicate, 5-20% of inorganic silica sol, 10-20% of fluorocarbon emulsion, 1-5% of waterborne cosolvent, 0.1-0.5% of waterborne wetting agent, 0.5-1.5% of waterborne dispersant,0.1-1.5% of waterborne defoamer, 10-20% of pigment, 15-30% of filler, 1-2.5% of film forming promoter, 0.1-0.5% of waterborne thickener and the balance of water. The coating is universal for both thebottom and the surface, supportive of repeated spraying or brushing, good in polishing performance and filling performance and adjustable in plumpness and glossiness; a coating film is high in alcohol resistance, free of abnormality when being soaked in alcohol water solution of 75% in mass concentration and excellent in resistance to alkali and acid.

Description

technical field [0001] The invention relates to the technical field of inorganic coatings, and specifically discloses a water-based high-temperature and high-humidity resistant inorganic coating and a preparation method thereof. Background technique [0002] Inorganic coatings refer to the use of inorganic silicate coatings on the interior and exterior walls, which can not only make the interior and exterior coatings more beautiful, but also permanently chemically bond with the mineral surface. Its service life is 5-10 times that of general organic coatings, or even longer. It can make the exterior wall coating not affected by climate and dry and wet changes. [0003] In today's Chinese architectural coatings market, the share of water-based inorganic coatings is less than 5%, which is far from the market penetration rate of more than 90% in Europe and the United States. However, the volume of China's architectural coatings is so large. From the perspective of environmenta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D127/12C09D7/61C09D7/63C09D7/65
Inventor 戴家兵张亚辉赵曦罗会启程永胜周政仪李维虎
Owner HEFEI KETIAN WATERBORNE TECH CO LTD
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