Sound-insulation composite material based on polyester-waste tire rubber and preparation method for sound-insulation composite material

A technology for waste tire rubber and composite materials, which is applied in the field of sound insulation composite materials and its preparation, can solve the problems of cost and comprehensive mechanical properties of materials, large amount of tungsten powder added, unsuitable for long-term and high temperature use, etc. The effect of improving living standards, excellent sound insulation performance, and excellent comprehensive mechanical properties

Active Publication Date: 2014-12-17
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the addition of tungsten powder as the main body of sound insulation is large (40-90wt%), and the corresponding cost and comprehensive mechanical properties of the material will naturally be greatly affected. At the same time, the use of PVC as the matrix is ​​not suitable for long-term and high temperature use.

Method used

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  • Sound-insulation composite material based on polyester-waste tire rubber and preparation method for sound-insulation composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) 10 parts of waste tire rubber powder, 24 parts of polyethylene terephthalate, 60 parts of reduced iron powder with a particle size of 200 mesh, and 4 parts of maleic anhydride graft hydrogenated styrene-ethylene-butadiene-benzene The ethylene block copolymer and 2 parts of monoalkoxy titanate coupling agent (Kenrich Petrochemical Company, USA, KR-TTS) were put into the internal mixer together for internal mixing. Process parameters: temperature is 285°C; time is 10min; screw speed is 50r / min. ;

[0027] (2) Thermocompression forming to make a film of 1 mm. The process parameters are: hot-pressing temperature: 285°C; pressure: 10MPa; holding time: 10min; film thickness: 1mm.

[0028] Its average sound insulation is around 31 decibels.

Embodiment 2

[0030] (1) 23 parts of waste tire rubber powder, 10 parts of polytrimethylene terephthalate, 60 parts of reduced iron powder with a particle size of 200 mesh, 3 parts of maleic anhydride grafted hydrogenated styrene-ethylene-butadiene-styrene The segment copolymer and 4 parts of monoalkoxy phosphate titanate coupling agent (Kenrich Petrochemical Company, USA, KR-12) were put into the internal mixer together for internal mixing. Process parameters: temperature is 235°C; time is 10min; screw speed is 50r / min. ;

[0031] (2) Thermocompression forming to make a film of 1 mm. The process parameters are: hot pressing temperature: 235° C.; pressure: 10 MPa; holding time: 10 min; film thickness: 1 mm.

[0032] Its average sound insulation is around 33 decibels.

Embodiment 3

[0034] (1) 30 parts of waste tire rubber, 40 parts of polybutylene terephthalate, 20 parts of iron powder with a particle size of 400 mesh, and 5 parts of maleic anhydride grafted hydrogenated styrene-ethylene-butadiene-styrene The block copolymer and 5 parts of monoalkoxy unsaturated fatty acid titanate (Kenrich Petrochemical Company of the United States, KR-95) were added together in an internal mixer for internal mixing. Process parameters: temperature is 245°C; time is 5min; screw speed is 10r / min. ;

[0035] (2) Thermocompression forming to make a film of 1 mm. The process parameters are: hot pressing temperature: 245; ℃; pressure: 10MPa; holding time: 5min; film thickness: 1mm.

[0036] Its average sound insulation is around 25 decibels.

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Abstract

The invention belongs to the technical field of high polymer material preparation and particularly relates to a sound-insulation composite material based on polyester-waste tire rubber and a preparation method for the sound-insulation composite material. The sound-insulation composite material comprises the following components in parts by weight: 10-30 parts of waste tire rubber, 10-40 parts of polyester, 20-60 parts of iron powder, 1-5 parts of compatilizer and 1-5 parts of coupling agent. The composite material prepared by the invention is very good in comprehensive mechanical property and sound insulation property and can be widely applied to building finishing and both sides of railways to lower noise. When the material is 1mm in thickness, the average sound insulation factor can reach 25-35dB for the noise of 300-1600Hz. More importantly, the waste tire rubber is recycled by the composite material, and thereby, the goal of turning waste into wealth is achieved.

Description

technical field [0001] The invention belongs to the field of polymer materials, and relates to a sound-insulating composite material and a preparation method thereof. Background technique [0002] With the development of modern industry and transportation, noise has become a major factor that endangers human health and pollutes the environment, and is listed as the three major contemporary pollution sources together with air pollution and water pollution. Noise is the most complained and accused source of pollution. It is a major problem in the world today and is listed as one of the international public hazards. How to reduce the harm of noise has become an urgent task at present. The work on noise control at home and abroad mainly starts from two aspects. The first is to control the noise source, that is, to transform the equipment with loud noise into the equipment with low or no noise. This is the most active and thorough measure, but some noise sources cannot be contr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L51/00C08L21/00C08L67/02C08K3/08
Inventor 陈珍明
Owner HEFEI GENIUS NEW MATERIALS
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