Special anti-settling thickener for building paint and preparation method thereof

A technology of architectural coatings and thickeners, applied in coatings, etc., can solve problems such as easy pigment and filler deposition, poor suspension and anti-sedimentation, coating production, storage, construction, and film-forming effects, etc., to achieve thickening Good anti-sedimentation effect, strong thickening, excellent stability and suspension effects

Inactive Publication Date: 2017-09-29
MINGGUANG FEIZHOU NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are many kinds of thickeners for coatings in the construction industry, but most of them have the disadvantages of poor suspension and anti-settling properties, which lead to the deposition of pigments and fillers in the coatings, which affects the production, storage, construction and film-forming process of the coatings.

Method used

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  • Special anti-settling thickener for building paint and preparation method thereof
  • Special anti-settling thickener for building paint and preparation method thereof

Examples

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Effect test

Embodiment 1

[0024] A special anti-settling thickener for architectural coatings, in parts by weight, comprising the following components:

[0025] 8 parts of polyethylene glycol,

[0026] 13 parts of isophorone diisocyanate,

[0027] 2 parts of nonylphenol polyoxyethylene ether,

[0028] 6 parts of anti-settling additives,

[0029] 30 parts of water;

[0030] The anti-sedimentation additives are mineral soil, glue thickener, cellulose thickener and water, the ratio is 0.1:0.1:0.1:100,

[0031] The preparation method of special anti-settling thickener for architectural coatings of the present invention comprises the following steps:

[0032] (1) Add polyethylene glycol and end-capping agent nonylphenol polyoxyethylene ether into a four-necked flask equipped with an electric mixer, start stirring at a low speed, and heat up to 120°C for vacuum drying and dehydration for 1 hour;

[0033] (2) Slowly pass nitrogen gas into the four-neck flask, cool down to 70°C, add isophorone diisocyanat...

Embodiment 2

[0037] A special anti-settling thickener for architectural coatings, in parts by weight, comprising the following components:

[0038] 12 parts of polyethylene glycol,

[0039] 16 parts of isophorone diisocyanate,

[0040] 4 parts of nonylphenol polyoxyethylene ether,

[0041] 10 parts of anti-settling additives,

[0042] 60 parts of water;

[0043] The anti-sedimentation additive is mineral soil, glue thickener, cellulose thickener and water, the ratio is 5:5:5:100,

[0044] The preparation method of this embodiment is the same as that of Example 1.

Embodiment 3

[0046] A special anti-settling thickener for architectural coatings, in parts by weight, comprising the following components:

[0047] 10 parts of polyethylene glycol,

[0048] 14 parts of isophorone diisocyanate,

[0049] 3 parts of nonylphenol polyoxyethylene ether,

[0050] 8 parts of anti-settling additives,

[0051] 45 parts of water;

[0052] The anti-sedimentation additives are mineral soil, glue thickener, cellulose thickener and water, and the ratio is 2.5:2.5:2.5:100.

[0053] The preparation method of this embodiment is the same as that of Example 1.

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PUM

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Abstract

The invention discloses a special anti-settling thickener for building paint and a preparation method thereof. The thickener is prepared from the following components in parts by weight: 8 to 12 parts of polyethylene glycol, 13 to 16 parts of diisocyanate, 2 to 4 parts of an end capping agent, 6 to 10 parts of an anti-settling additive and 30 to 60 parts of water, wherein the anti-settling additive is prepared from mineral soil, a glue type thickener, a cellulose thickener and water at the ratio of (0.1 to 5) to (0.1 to 5) to (0.1 to 5) to 100. The invention further discloses the preparation method of the thickener. The thickener prepared by the preparation method disclosed by the invention has a strong thickening property and has excellent stability and suspension property; the thickener has no sediment after being stored for a long time and is used for preventing a pigment and filler from being deposited; the thickener has very good anti-settling and thickening effects when being used for the building paint; the thickener has very good thickening and anti-settling effects and is used for effectively preventing sedimentation and layering of water-based paint and improving the use performance of the paint; the preparation method of the thickener is simple and easy to operate and has low cost.

Description

technical field [0001] The invention relates to the field of thickeners, in particular to a special anti-sedimentation thickener for architectural coatings and a preparation method thereof. Background technique [0002] Water-based paint is generally formed by the dispersion of resin emulsion particles and pigment suspension particles through the interaction force between particles. The viscosity of the paint is indicative of these particle interaction forces. However, these forces are weak, and the function of the thickener is to increase the interaction between particles to form a network structure. [0003] At present, there are many kinds of thickeners for coatings in the construction industry, but most of them have the disadvantages of poor suspension and anti-settling properties, which lead to the deposition of pigments and fillers in the coatings, which affects the production, storage, construction and film-forming process of coatings. Therefore, it is very importan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D7/12C09D7/02C09D7/45
Inventor 胡睿吴佳蕾
Owner MINGGUANG FEIZHOU NEW MATERIAL
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