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Sound insulation coating and preparation method thereof

A coating and sound insulation technology, applied in the direction of fireproof coatings, coatings, etc., can solve the problems of unenvironmental protection, poor sound insulation effect, environmental pollution, etc., and achieve the effects of saving paint, not easy to heat bridge, and stable quality

Inactive Publication Date: 2020-05-15
珠海玖筑新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of material has poor sound insulation effect, and it also pollutes the environment seriously, so it is not environmentally friendly to use.

Method used

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  • Sound insulation coating and preparation method thereof
  • Sound insulation coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A sound-insulating coating, comprising the following components in parts by weight:

[0042] 6 parts of polyvinyl acetate;

[0043] 1 part of silica powder;

[0044] 2 parts glass fiber;

[0045] 6 parts of alumina powder;

[0046] 9 parts of dicalcium silicate powder;

[0047] 2 parts of magnesium oxide powder;

[0048] 1 part of barium sulfate powder;

[0049] 50 parts of distilled water.

[0050] Wherein, the particle size of the polyvinyl acetate is 200 μm; the particle size of the silicon dioxide powder is 50 μm. The glass fiber has a diameter of 5 μm and a length of 1 mm. The particle size of the alumina powder is 45 μm. The particle size of the dicalcium silicate powder is 45 μm. The particle size of the magnesium oxide powder is 50 μm. The particle size of the barium sulfate powder is 20 μm.

Embodiment 2

[0052] A sound-insulating coating, comprising the following components in parts by weight:

[0053] 7 parts of polyvinyl acetate;

[0054] 2 parts of silica powder;

[0055] 3 parts glass fiber;

[0056] 7 parts of alumina powder;

[0057] 10 parts of dicalcium silicate powder;

[0058] 3 parts of magnesium oxide powder;

[0059] 2 parts of barium sulfate powder;

[0060] 51 parts of distilled water.

[0061] Wherein, the particle size of the polyvinyl acetate is 250 μm. The particle size of the silica powder is 45 μm. The glass fiber has a diameter of 10 μm and a length of 1 mm. The particle size of the alumina powder is 75 μm. The particle size of the dicalcium silicate powder is 70 μm. The particle size of the magnesium oxide powder is 65 μm. The particle size of the barium sulfate powder is 30 μm.

Embodiment 3

[0063] A sound-insulating coating, comprising the following components in parts by weight:

[0064] 6.5 parts of polyvinyl acetate;

[0065] 2 parts of silica powder;

[0066] 3 parts glass fiber;

[0067] 6 parts of alumina powder;

[0068] 9 parts of dicalcium silicate powder;

[0069] 2.5 parts of magnesium oxide powder;

[0070] 1 part of barium sulfate powder;

[0071] 51 parts of distilled water.

[0072] Wherein, the particle size of the polyvinyl acetate is 300 μm. The particle size of the silica powder is 60 μm. The glass fiber has a diameter of 13 μm and a length of 1 mm. The particle size of the alumina powder is 70 μm. The particle size of the dicalcium silicate powder is 55 μm. The particle size of the magnesium oxide powder is 60 μm. The particle size of the barium sulfate powder is 20 μm.

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Abstract

The invention provides a sound insulation coating and a preparation method thereof. The coating comprises the following components in parts by weight: 6-7 parts of polyvinyl acetate; 1-2 parts of silicon dioxide powder; 2-3 parts of glass fibers; 6-7 parts of aluminum oxide powder; 9 to 10 parts of dicalcium silicate powder; 2-3 parts of magnesium oxide powder; 1-2 parts of barium sulfate powder;and 50-51 parts of distilled water. The method comprises the following steps: uniformly stirring dicalcium silicate powder, silicon dioxide powder, aluminum oxide powder, magnesium oxide powder, barium sulfate powder, polyvinyl acetate and glass fibers to obtain a mixture, uniformly stirring the mixture and distilled water, and continuously stirring for 2 hours to obtain the sound insulation coating. The coating is an environment-friendly aqueous coating, is soundproof, damping and shock-absorbing, and has a wide application range; the construction is simple and convenient; and the sound insulation coating is good in adhesion, good in permeability, good in compatibility with a base material, free of cracking, capable of achieving a good sound insulation effect only by forming a coating layer of 3-5 mm, environmentally friendly and free of pollution.

Description

technical field [0001] The invention relates to the technical field of sound-insulating materials, in particular to a sound-insulating coating and a preparation method thereof. Background technique [0002] With the development of social economy and the increase of industrial factories, vehicles and entertainment places, a large number of factory mechanical operation sounds, vehicle whistles and entertainment places are full of people's lives, causing a new type of pollution- sound polution. These noise pollutions have brought serious interference to people's normal life, work and study. Therefore, how to control noise pollution and reduce the impact of noise on people's lives is an urgent problem to be solved at present. [0003] The use of sound insulation materials is one of the effective measures to control noise pollution. Sound insulation materials refer to a class of materials, components or structures that can block sound transmission or reduce transmitted sound en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D131/04C09D5/18C09D7/61
CPCC08K2003/222C08K2003/2227C08K2003/3045C08K2201/003C08K2201/004C09D5/18C09D131/04C09D7/61C09D7/70C08K13/04C08K3/36C08K7/14C08K3/22C08K3/34C08K3/30
Inventor 梁伟邢宁龚昌胜
Owner 珠海玖筑新材料有限公司
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