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High damping performance aqueous damping coating material preparation method

A damping coating and high damping technology, applied in unspecified rubber coatings, coatings, etc., can solve the problems affecting the actual use of water-based damping coatings, narrow damping temperature range, and easy deformation of the coating film, and achieve good physical and mechanical properties. Effects of flame retardant performance, improved damping performance and elastic modulus, and simple and easy preparation method

Inactive Publication Date: 2014-06-25
QINGDAO XUANWEI COATING MATERIAL
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AI Technical Summary

Problems solved by technology

The water-based damping coating in the prior art has a low solid content, the coating film is easily deformed after drying, the damping temperature range is narrow, and the damping value is relatively small, which affects the actual use of the water-based damping coating

Method used

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Experimental program
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Effect test

Embodiment 1

[0015] A preparation method of a water-based damping coating with high damping performance, comprising the following steps:

[0016] (1) Preparation of water-based emulsion:

[0017] At room temperature, uniformly mix 15 parts of water-based acrylic emulsion with core-shell structure and 15 parts of network interpenetrating emulsion so that the solid content in the aqueous solution is 50%, and stir and mix uniformly to obtain the water-based emulsion;

[0018] (2) Addition of fillers and additives:

[0019] Add 40 parts of inorganic filler, 5-20 parts of rubber powder, and 10 parts of diester coalescent into the aqueous emulsion prepared in the previous step, then add 0.5-1.0 parts of water-based dispersant and 1 part of water-based defoamer , 0.25-0.8 parts of water-based wetting agent, mixed evenly by high-speed stirring.

[0020] (3) Film formation and paint mixing:

[0021] Then add 8-20 parts of diester film-forming aids, 2 parts of water-based dispersant, 0.25-0.8 par...

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PUM

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Abstract

The present invention discloses a high damping performance aqueous damping coating material preparation method, which comprises: (1) preparing an aqueous emulsion, (2) adding a filler and an auxiliary agent, (3) carrying out film forming and paint adjusting: adding 8-20 parts of a diester film forming auxiliary agent, 2 parts of an aqueous dispersing agent, 0.25-0.8 part of an aqueous antifoaming agent, and 0.25-0.8 part of an aqueous wetting agent to the solution obtained in the step (2), and finally adding 3 parts of a thickener to adjust the consistency to obtain the high solid content aqueous damping coating material. According to the present invention, the operation of the high solid content high damping performance aqueous coating material preparation method is simple, and the obtained product has characteristics of wide high-polymer damping temperature, stable property and deformation resistance during a drying process, effectively improved damping performance, effectively improved elasticity modulus, good mechanical property, and good fire retardation.

Description

technical field [0001] The invention relates to a preparation method of a water-based damping paint with high damping performance. Background technique [0002] Traditional coatings use organic solvents as the dispersion medium, and there is a large amount of toxic and harmful gases and waste water discharged during the production process and construction application process, which pollutes the environment, the atmosphere and water resources, and seriously damages the health of production and construction personnel. . Water-based paint is a green and environmentally friendly paint that uses water as the main dispersion medium, uses inorganic and organic matter as fillers, and does not contain any toxic organic solvents. [0003] Water-based damping coating has the advantages of good flame retardancy, high adhesion, corrosion resistance, aging resistance, high damping performance and convenient construction. It is currently being widely used in automobiles, trains, ships, ai...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D121/00C09D7/12
Inventor 李少香李光俊刘来运
Owner QINGDAO XUANWEI COATING MATERIAL
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