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Colored composite pyramid sound-insulation material and preparation method thereof

A technology of sound insulation materials and pyramids, applied in the field of sound insulation materials, can solve the problems of sound wave attenuation, single color of composite materials, etc., and achieve the effect of reducing interference and echo, good permeability and long service life

Pending Publication Date: 2018-12-18
芜湖跃飞新型吸音材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] According to the deficiencies of the prior art above, the technical problem to be solved by the present invention is to propose a color composite pyramid sound-insulating material and its preparation method, which is compounded by adding modified diatomite, polyurethane and polypropylene fiber to make Siling Pyramid sound insulation material with a cone shape, the porous structure can absorb a large amount of incoming sound wave energy, and attenuate the sound wave. At the same time, adding a colorant solves the problem of single color of the composite material in the prior art

Method used

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  • Colored composite pyramid sound-insulation material and preparation method thereof
  • Colored composite pyramid sound-insulation material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0028] Red Composite Pyramid Soundproofing Material

[0029] Raw materials: Polyurethane (diphenylmethane diisocyanate) 35%, polypropylene fiber 25%, diatomaceous earth 20%, foam stabilizer (BD-3086) 1.5%, foaming agent (AK9005) 10%, colorant (permanent Fast red, golden red, cadmium red (mixed by volume ratio 1:1:1) 2%, aluminate coupling agent 1%, stearic acid 1%, catalyst (dibutyltin dilaurate and triethylenediamine) 0.5 %, surfactant (polyether polyol) 1%, solvent (distilled water, absolute ethanol) 3%, wherein the hardness of polyurethane is 65-72D, and the surface density of polypropylene fiber is 145g / m 2 .

[0030] (1) Diatomite modification: add aluminate coupling agent and 1% absolute ethanol to diatomite and stir thoroughly. After stirring evenly, put stearic acid in for three minutes, and continue to mix fully Then put it into an ultrasonic oscillator to vibrate for 1 hour, take it out and dry it after shaking, the drying temperature is 150°C, and the drying time ...

Embodiment 2

[0035] Yellow Composite Pyramid Soundproofing Material

[0036] Raw materials: polyurethane (diphenylmethane diisocyanate) 30%, polypropylene fiber 27%, diatomaceous earth 21%, foam stabilizer (simethicone) 1%, foaming agent (azodicarbonamide) 10% , coloring agent (permanent yellow, fast yellow G, cadmium yellow mixed in a volume ratio of 2:2:1) 2.5%, aluminate coupling agent 1%, stearic acid 1%, catalyst (dibutyltin dilaurate and triethylenediamine) 0.5%, surfactant (polyether polyol) 1%, solvent 5%, wherein the hardness of polyurethane is 65-72D, and the surface density of polypropylene fiber is 347g / m 2 .

[0037](1) Diatomite modification: add aluminate coupling agent and 2% absolute ethanol to diatomite and stir thoroughly. After stirring evenly, put stearic acid in for three minutes, and continue to mix fully Then put it into an ultrasonic oscillator to vibrate for 2 hours, take it out for drying after shaking, the drying temperature is 200°C, and the drying time is 25...

Embodiment 3

[0042] Purple Composite Pyramid Soundproofing Material

[0043] Raw materials: polyurethane (diphenylmethane diisocyanate) 30%, polypropylene fiber 20%, diatomaceous earth 25%, foam stabilizer (L580) 1.5%, foaming agent (AK9005, azodicarbonamide) 10%, Colorant (manganese violet VM42, permanent violet RL mixed in a volume ratio of 1:3) 2.5%, aluminate coupling agent 1.5%, stearic acid 1%, catalyst (dibutyltin dilaurate and triethylenediamine) 1%, surfactant (polyether polyol) 1.5%, solvent 6%, wherein the hardness of polyurethane is 65-72D, and the surface density of polypropylene fiber is 650g / m 2 .

[0044] (1) Diatomite modification: add aluminate coupling agent and 3% absolute ethanol to diatomite and stir thoroughly. After stirring evenly, put stearic acid in for three minutes, and continue to mix fully Then put it into an ultrasonic oscillator to vibrate for 1-3 hours, take it out for drying after shaking, the drying temperature is 230°C, and the drying time is 10 minut...

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Abstract

The invention discloses a colored composite pyramid sound-insulation material and a preparation method thereof. The colored composite pyramid sound-insulation material comprises the following raw materials by weight: 22-65% of polyurethane, 25-60% of polypropylene fibers, 20-40% of diatomite, 0.3-1.5% of a foam stabilizer, 10-20% of a foaming agent, 0.5-2% of an aluminate coupling agent, 1-1.5% ofstearic acid, 0.4-1% of a catalyst, 0.3-2% of a surfactant, 0.1-2.5% of a coloring agent and 1-10% of a solvent. The colored composite pyramid sound insulating material of the invention can be made into various shapes, is simple in installation, convenient in construction, economical and practical in use, long in service life, firm and unbreakable in fibers, free of decomposition, capable of resisting the corrosion of various microorganisms, fungi, acid salts and hydrocarbons, resistant to fire and low in compression deformation.

Description

technical field [0001] The invention belongs to the technical field of sound insulation materials, and in particular relates to a color composite pyramid sound insulation material and a preparation method thereof. Background technique [0002] Noise pollution has become a worldwide problem. Noise pollution comes from a wide range of sources and has great adverse effects on people's body and mind. Internationally, noise pollution is listed as one of the three major environmental pollutions in the world. Noise pollution has become a hot issue in the process of environmental governance. Sound absorption technology is widely used in various fields such as industrial products, transportation, national defense and civil construction. From the perspective of acoustics, it is mainly used in environmental sound absorption and noise reduction and sound quality control of architectural acoustics. In noise pollution control, the use of sound-absorbing and sound-insulating materials is ...

Claims

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Application Information

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IPC IPC(8): C08L75/08C08L23/12C08K13/06C08K9/04C08K7/26C08K5/10C08J9/10
CPCC08J9/0061C08J9/103C08J2203/04C08J2375/08C08J2423/12C08K5/10C08K7/26C08K9/04C08K13/06
Inventor 章云王敏雪王黎明杨祥林尚元利于华兵
Owner 芜湖跃飞新型吸音材料股份有限公司
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