A kind of earplug making material and preparation method thereof

An earplug and powder material technology, applied in the material field, can solve the problems of earplug material flexibility, moisture absorption, insufficient improvement of sound absorption effect, etc., and achieve the effect of good sound absorption and anti-noise effect, reduction of production cost, and high porosity.

Active Publication Date: 2022-04-12
康稷浩
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The existing technology has insufficient improvement in the flexibility, moisture absorption, and sound absorption effect of earplug materials, and has certain limitations.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Materials for making earplugs, in parts by weight, include the following components:

[0038]5 parts of titanium dioxide fiber, 10 parts of sodium polyacrylate, 0.1 part of sodium chloride, 200 parts of thermoplastic polyester elastomer, 5 parts of modified tobacco stem activated carbon, 5 parts of pentaerythritol stearate, 0.1 part of rosin pentaerythritol ester, guar beans 30 parts of glue.

[0039] A preparation method of an earplug manufacturing material, the specific steps are as follows:

[0040] 1) Take the discarded tobacco stems, crush them with a grinder, dry them in the sun, grind them finely, and sieve them to get tobacco stem fine powder with a particle size of 100 mesh. Soak in sodium hydroxide solution for 5 hours, then wash with deionized water until neutral, dry, and roast at 850°C for 0.5 hour, the heating rate is 100°C / h, and the oxygen content in the furnace gas atmosphere during roasting is 0.1%. Sexual tobacco stem activated carbon;

[0041] 2) ...

Embodiment 2

[0047] Materials for making earplugs, in parts by weight, include the following components:

[0048] 30 parts of titanium dioxide fiber, 1 part of sodium polyacrylate, 1 part of sodium chloride, 80 parts of thermoplastic polyester elastomer, 5 parts of modified tobacco stem activated carbon, 0.1 part of pentaerythritol stearate, 0.1 part of rosin pentaerythritol ester, guar beans 5 copies of glue.

[0049] A preparation method of an earplug manufacturing material, the specific steps are as follows:

[0050] 1) Take the discarded tobacco stems, crush them with a grinder, dry them in the sun, grind them finely, and sieve them to get tobacco stem powders with a particle size of 100 mesh. Soak in sodium hydroxide solution for 5 hours, then wash with deionized water until neutral, dry, and roast at 650°C for 5 hours, the heating rate is 100°C / h, and the oxygen content in the furnace gas atmosphere during roasting is 3%. Sexual tobacco stem activated carbon;

[0051] 2) Sodium po...

Embodiment 3

[0057] Materials for making earplugs, in parts by weight, include the following components:

[0058] 10 parts of titanium dioxide fiber, 1 part of sodium polyacrylate, 0.5 part of sodium chloride, 100 parts of thermoplastic polyester elastomer, 10 parts of modified tobacco stem activated carbon, 0.1 part of pentaerythritol stearate, 0.5 part of rosin pentaerythritol ester, guar beans Glue 10 parts.

[0059] A preparation method of an earplug manufacturing material, the specific steps are as follows:

[0060] 1) Take the discarded tobacco stems, crush them with a grinder, dry them in the sun, grind them finely, and sieve them to get tobacco stem powders with a particle size of 100 mesh. Soak in sodium hydroxide solution for 3 hours, then wash with deionized water until neutral, dry, and roast at 550°C for 3 hours, the heating rate is 50°C / h, and the oxygen content in the furnace gas atmosphere during roasting is 0.5%. Sexual tobacco stem activated carbon;

[0061] 2) Sodium ...

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Abstract

The invention discloses a material for making earplugs and a preparation method thereof, belonging to the technical field of materials. The earplug production material comprises the following components: 5-30 parts of titanium dioxide fiber, 1-10 parts of sodium polyacrylate, 0.1-1 part of sodium chloride, 80-200 parts of thermoplastic polyester elastomer, 5-30 parts of modified tobacco stem activated carbon 30 parts, pentaerythritol stearate 0.1~5 parts, rosin pentaerythritol ester 0.1~5 parts, guar gum 5~30 parts. By modifying the thermoplastic polyester elastomer material and adding multi-aperture materials and hygroscopic materials, the material not only has moisture absorption, sound absorption and noise reduction effects, but also has high flexibility and good resilience.

Description

technical field [0001] The invention relates to the technical field of materials, in particular to an earplug manufacturing material and a preparation method thereof. Background technique [0002] Noise pollution, water pollution, air pollution, and solid waste pollution are listed as the world's four major high seas. With the development of society, noise pollution is becoming more and more serious. Noise not only affects people's living environment, but also directly relates to people's sleep quality and even human health. Therefore, sound absorption and noise reduction has become a ubiquitous problem. With the development of society and the improvement of living standards, sound absorption and noise reduction has become a new technology. As one of the noise reduction products in people's daily life, earplugs have become more and more popular, and the requirements for the softness and wearability of their materials are getting higher and higher. [0003] Chinese patent ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/00C08L93/04C08L5/00C08L33/02C08K13/06C08K9/02C08K7/24C08K7/08C08K5/103C08K3/16
CPCC08L67/00C08L2207/04C08L2205/035C08K2201/011C08L93/04C08L5/00C08L33/02C08K13/06C08K9/02C08K7/24C08K7/08C08K5/103C08K3/16
Inventor 康望才
Owner 康稷浩
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