Preparation method for composite sound absorption material

A technology of sound-absorbing materials and raw materials, which is applied in the field of preparation of composite sound-absorbing materials, can solve the problems of poor sound-absorbing effect of sound-absorbing materials, and achieve the effect of good sound insulation effect and good void ratio.

Active Publication Date: 2013-01-02
苏州市德莱尔建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above comments on the prior art, the technical problem to be solved by the present invention is: the sound absorption effect of common sound-absorbing materials is not good

Method used

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  • Preparation method for composite sound absorption material
  • Preparation method for composite sound absorption material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The preparation method is:

[0025] S1: Take rubber particles, paraffin oil, heavy calcium carbonate, dicumyl peroxide, talcum powder, stearic acid, silane coupling agent, melamine, and pentaerythritol, and mix them uniformly at a temperature of 90°C;

[0026] S2: Send the mixture obtained in step S1 into an extruder, and extrude at a temperature of 120°C; granulate;

[0027] S3: Mix the particles obtained in S2 with plant fiber, clay, bentonite, magnesium oxide, polyimide fiber, carbon fiber, perlite, polyurethane foam, silica sol, and cellulose;

[0028] S4: Add cement and water to the mixture obtained in S3, stir evenly, pour it into a mold, solidify and form it, and obtain a finished product.

[0029] The particle size of the granulation in S4 is preferably 1-2 mm.

Embodiment 2

[0031] The difference between the preparation method and Example 1 is that the temperature in the S1 step is 95°C, and the temperature in the S2 step is 125°C.

Embodiment 3

[0033] The difference between the preparation method and Example 1 is that the temperature in the S1 step is 100°C, and the temperature in the S2 step is 130°C.

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Abstract

The invention provides a preparation method for a composite sound absorption material, which belongs to the technical field of building materials. The material is prepared from the following raw materials by weight: 10 to 20 parts of rubber particles, 2 to 3 parts of paraffin oil, 3 to 5 parts of heavy calcium carbonate, 1 to 2 parts of dicumyl peroxide, 3 to 5 parts of talc powder, 3 to 5 parts of stearic acid, 1 part of a silane coupling agent, 1 part of melamine, 2 to 3 parts of pentaerythritol, 15 to 30 parts of plant fibers, 5 to 8 parts of clay, 5 to 8 parts of bentonite, 2 to 4 parts of magnesia, 2 to 4 parts of polyimide fibers, 1 part of carbon fibers, 3 to 6 parts of perlite, 3 to 5 parts of polyurethane foam, 2 to 3 parts of silica sol, 5 to 10 parts of cellulose, 10 to 20 parts of silicate cement and 10 to 20 parts of water. The composite sound absorption material provided by the invention has good sound absorption and sound insulation effects.

Description

technical field [0001] The invention provides a preparation method of a composite sound-absorbing material, which belongs to the technical field of building materials. Background technique [0002] With the development of modern industry, environmental pollution is also produced. Noise pollution is a kind of environmental pollution, which has become a great harm to human beings. Noise pollution, water pollution and air pollution are regarded as three major environmental problems worldwide. Ordinary people will have the opportunity to be exposed to various levels of noise in their daily life. Noise will not only affect hearing, but also affect cardiovascular health, sleep quality, and even fetal development. [0003] During the propagation of the sound wave, if it encounters a barrier, part of it will be reflected and the other part will be absorbed. Improving the absorption rate of building materials for sound waves is beneficial to reducing noise pollution. Common sound-a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L23/16C08L9/06C08L79/08C08L75/04C08L1/28C08K13/04C08K7/06C08K3/26C08K5/14C08K3/34C08K5/09C08K5/3492C08K5/053C08K3/22B29B9/06B29C47/92C04B28/24B29C48/92
CPCB29C48/04B29C48/92B29C2948/92704B29C2948/92895
Inventor 计慷
Owner 苏州市德莱尔建材科技有限公司
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