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Coating composition

A composition and coating technology, applied in the direction of anti-corrosion coatings, alkali metal silicate coatings, etc., can solve the problems of ecological environment imbalance, variation reaction, loss of preservatives into water sources, etc., to reduce harmful gases in the air and anti-corrosion performance Excellent, good bactericidal effect

Active Publication Date: 2009-12-02
CHINA PAINT MFG CO SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of paint production and actual construction, human body contact with preservatives will lead to skin allergies and even mutation reactions; if the paint is not handled properly, the preservatives will be lost into the water source, attacking microbial cytoplasm and metabolic processes, resulting in an imbalance in the ecological environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] In the present embodiment, the proportions of each component of the coating are shown in Table 2 below:

[0031] Table 2 Concrete component one of coating composition

[0032] components

Accounting for the total mass percentage of the composition (%)

Deionized water

36

[0033] Hydrophobic silicon additive

0.1

Cationic quaternary ammonium salt

0.8

D

0.1

Rutile Titanium Dioxide

18

Hydroxyethyl cellulose

0.35

Potassium silicate solution

35

Elastic Acrylic Emulsion

5

opaque polymer

2

Hydrophobic Modified Polyurethane Thickener

0.15

[0034] The concrete preparation process step of this example is:

[0035] (a) Pre-mixing: first weigh the raw materials according to the formula ratio, add 12 parts of deionized water, 0.1 part of hydrophobic silicon additive, 0.1 part of wetting agent, and 0.8 part of cationic quate...

Embodiment 2

[0041] In the present embodiment, the proportions of each component of the coating are shown in Table 3 below:

[0042] Table 3 Coating Composition Concrete Component Two

[0043] components

Accounting for the total mass percentage of the composition (%)

Deionized water

43.2

Hydrophobic silicon additive

0.3

dispersion stabilizer

0.6

D

0.2

Rutile Titanium Dioxide

15

Hydroxyethyl cellulose

0.35

Potassium silicate solution

28.5

Elastic Acrylic Emulsion

9

opaque polymer

3

Hydrophobic Modified Polyurethane Thickener

0.3

[0044] The concrete preparation process step of this example is:

[0045] (a) Pre-mixing: first weigh the raw materials according to the formula ratio, add 12 parts of deionized water, 0.3 parts of hydrophobic silicon additives, 0.2 parts of wetting agent, and 0.6 parts of cationic quaternary ammonium salt dispers...

Embodiment 3

[0051] In the present embodiment, the proportions of each component of the coating are shown in Table 4 below:

[0052] Table 4 Coating Composition Concrete Component Three

[0053] components

Accounting for the total mass percentage of the composition (%)

Deionized water

47.9

Hydrophobic silicon additive

0.5

dispersion stabilizer

0.5

D

0.3

Rutile Titanium Dioxide

9

Hydroxyethyl cellulose

0.35

Potassium silicate solution

20

Elastic Acrylic Emulsion

15

opaque polymer

4

Hydrophobic Modified Polyurethane Thickener

0.45

[0054] The concrete preparation process step of this example is:

[0055] (a) Pre-mixing: first weigh the raw materials according to the formula ratio, add 12 parts of deionized water, 0.5 parts of hydrophobic silicon additives, 0.3 parts of wetting agent, and 0.5 parts of cationic quaternary ammonium salt dispersi...

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Abstract

The invention discloses a coating composition, which comprises the following components in percentage by weight: 36 to 48 percent of water, 0.1 to 0.5 percent of hydrophobic assistant, 0.1 to 0.3 percent of wetting agent, 9 to 18 percent of titanium dioxide, 20 to 35 percent of potassium silicate solution and 5 to 15 percent of elastic emulsion. In the coating composition, potassium silicate solution is adopted as a film forming agent, and the stable and high pH value of the potassium silicate solution provides the coating composition with excellent sterilization effect to avoid the use of antiseptics, reduce harmful gases given out by the coating into the air and make the coating composition more environmentally-friendly. Saul challenge tests prove that the coating prepared by the technical proposal of the invention has high corrosion-resistance.

Description

technical field [0001] The present invention relates to a kind of architectural coating, particularly relates to a kind of coating composition without adding antiseptic. Background technique [0002] Because water-based architectural coatings are rich in nutrients for microbial growth, and microorganisms are almost ubiquitous in nature, as long as environmental conditions such as ambient temperature exist that are suitable for the survival of microorganisms, microorganisms such as bacteria, molds, and yeasts will multiply in large numbers. As a result, a series of problems such as surface discoloration, fluidity change, pH value change, performance change, coagulation, demulsification, and peculiar smell of the coating product are caused. Therefore, additives that can prevent and inhibit the survival of microorganisms must be added to the paint. Such additives are generally called preservatives. [0003] At present, the domestic paint industry uses the addition of preservat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C09D5/08
Inventor 邢俊
Owner CHINA PAINT MFG CO SHENZHEN
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