A kind of lightweight multi-layer composite sound insulation and heat insulation material and preparation method thereof

A technology of multi-layer composite and thermal insulation materials, which is applied in the direction of chemical instruments and methods, layered products, synthetic resin layered products, etc., which can solve the problem of difficult balance between sound insulation and density of sound insulation materials, uncontrollable layer interface and complex preparation process and other problems, to achieve the effect of easy structure control, good sound insulation and heat insulation effect, and wide source of raw materials

Active Publication Date: 2019-10-29
ZHUZHOU TIMES NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The material combines the advantages of formula design and structural design well, so that the material has good sound insulation performance and low density, so as to solve the problem that the sound insulation and density of the sound insulation material are difficult to balance in the existing technical solutions
The preparation method of the material is simple to solve the technical problems of complex preparation process, uncontrollable layer interface and easy occurrence of cross-layers when the traditional foaming process is used to prepare lightweight multi-layer sound insulation materials.

Method used

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  • A kind of lightweight multi-layer composite sound insulation and heat insulation material and preparation method thereof
  • A kind of lightweight multi-layer composite sound insulation and heat insulation material and preparation method thereof
  • A kind of lightweight multi-layer composite sound insulation and heat insulation material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The ratio of each component of the polymer material A is: low-density polyethylene: 60 parts, ethylene-vinyl acetate copolymer: 20 parts, polyolefin elastomer POE: 20 parts, hollow glass microspheres (average particle size 80 μm, Density 0.6g / cm 3 , compressive strength 82MPa): 50 parts, heavy calcium carbonate: 80 parts by weight, aluminum hydroxide: 100 parts, plasticizer is white oil: 3 parts, lubricant is stearic acid: 2 parts, colorant is carbon Black: 2 parts, coupling agent is titanate: 2 parts.

[0043] The ratio of each component of the polymer material B is: low-density polyethylene: 60 parts, ethylene-vinyl acetate copolymer: 20 parts, polyolefin elastomer POE: 20 parts, calcium carbonate: 280 parts, aluminum hydroxide: 200 parts, the plasticizer is white oil: 5 parts, the lubricant is stearic acid: 2 parts, the colorant is carbon black: 2 parts.

[0044] The density of polymer material A is 1.04g / cm 3 , with a modulus of 5.34×10 3 MPa; the density of pol...

Embodiment 2

[0047] The ratio of each component of the polymer material A is: ethylene-vinyl acetate copolymer: 50 parts, low-density polyethylene: 30 parts, polyolefin elastomer POE: 20 parts, hollow glass microspheres (average particle size 50 μm, Density 0.3g / cm 3 , compressive strength 82MPa): 80 parts, heavy calcium carbonate: 80 parts, plasticizer is naphthenic oil: 3 parts, lubricant is stearic acid: 1.5 parts, colorant is carbon black: 2 parts, coupling The agent is titanate: 2 parts.

[0048] The ratio of each component of the polymer material B is: ethylene-vinyl acetate copolymer: 50 parts, low-density polyethylene: 30 parts, polyolefin elastomer POE: 20 parts, barium sulfate: 500 parts, and the plasticizer is Naphthenic oil: 3 parts, lubricant: stearic acid: 1.5 parts, colorant: carbon black: 2 parts.

[0049] The density of polymer material A is 0.97g / cm 3 , with a modulus of 3.68×10 3 MPa; the density of polymer material B is 1.85, and the modulus is 4.67×10 3 MPa.

[0...

Embodiment 3

[0052] The ratio of each component of polymer material A is: styrene-butadiene-styrene block copolymer: 75 parts, polyolefin elastomer POE: 25 parts, hollow glass microspheres (average particle size 50 μm, density 0.9g / cm 3 , compressive strength 70MPa): 100 parts, talcum powder: 100 parts, plasticizer is naphthenic oil: 4 parts, lubricant is 1.5 parts of stearic acid, colorant is carbon black 2 parts, coupling agent is titanic acid Esters: 2 parts.

[0053] The ratio of each component of polymer material B is: styrene-butadiene-styrene block copolymer: 75 parts, polyolefin elastomer POE: 25 parts, barium sulfate: 400 parts, plasticizer is ring Paraffin oil: 3 parts, lubricant is 1.5 parts of stearic acid, coloring agent is 2 parts of carbon black.

[0054] The density of polymer material A is 0.88g / cm 3 , with a modulus of 3.42×10 3 MPa; the density of polymer material B is 1.82, and the modulus is 4.82×10 3 MPa.

[0055] Mix the polymer material A and the polymer mater...

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Abstract

The invention provides a lightweight and multilayered composite sound isolation and heat insulation material. The lightweight and multilayered composite sound isolation and heat insulation material is prepared by carrying out alternate multilayered compounding on a high molecular material A and a high molecular material B, wherein the total number of layers of the lightweight and multilayered composite sound isolation and heat insulation material is 2n and n is larger than or equal to 2; the high molecular material A is filled with hollow glass microspheres; the high molecular material B is not filled with the hollow glass microspheres; and the density ratio of the high molecular material B to the high molecular material A is more than 1.5 and the modulus ratio is more than 1.2. The material combines the advantages of a formula design and a structure design very well, so that the material has a very good sound isolation performance and relatively small density, and also has a good heat insulation performance, and good toughness, high strength, environment friendliness and no toxin. A preparation method is simple and the technical problems that a preparation process for preparing a lightweight and multilayered sound isolation material by a traditional foaming process is complicated, a layer interface is not controllable and layer crossing is likely to occur are solved.

Description

technical field [0001] The invention belongs to the technical field of sound insulation and noise reduction materials, and in particular relates to a lightweight multilayer composite sound insulation and heat insulation material and a preparation method thereof. Background technique [0002] With the development of economy and the progress of science, people's requirements for the quality of life are getting higher and higher. On the other hand, in the face of increasingly serious noise pollution, it is particularly urgent for people to have a comfortable working and living environment. Studies have shown that when sound waves encounter a sound barrier during propagation, part of the sound energy is reflected, part of the sound energy is absorbed by the barrier, and the rest passes through the barrier. The ratio of the transmitted sound intensity to the incident sound intensity is called the transmission coefficient. The smaller the transmission coefficient, the better the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B3/08B32B27/20B32B27/08B32B33/00B29C69/02B29C48/49B29C48/92B29B7/00
CPCB29B7/005B29C48/0011B29C48/49B29C48/92B29C2948/9259B29C2948/92704B29C2948/92904B32B3/085B32B27/08B32B27/20B32B33/00B32B2307/102B32B2307/304B32B2307/558B32B2307/718
Inventor 熊昌义黄自华颜渊巍胡钊秦伟王梦晨李远
Owner ZHUZHOU TIMES NEW MATERIALS TECH
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