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Nano sepiolite powder modified composite sound absorbing material and preparation method thereof

A technology of nano sepiolite powder and sound-absorbing materials, applied in the field of material research and production, to achieve the effects of improving sound-absorbing effect and strength, reducing production costs, and high fracture strength

Active Publication Date: 2014-06-04
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

Used for spinning to make sound-absorbing cotton

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] A composite sound-absorbing material modified by nano sepiolite powder, which is made of the following raw materials in parts by weight: 112 parts of barite powder, 55 parts of ceramsite, 50 parts of nano sepiolite powder, 90 parts of polyvinyl acetate emulsion, modified 60 parts of tree ash, 20 parts of mica powder, 25 parts of mineral wool fiber, 16 parts of nano carbon, 28 parts of EVA, 16 parts of CPE, 8 parts of ABS, 6 parts of glycerol triacetate, 5 parts of tricresyl phosphate, 5 parts of dithioglycolic acid 1.5 parts of isooctyl di-n-octyl tin and 2 parts of zinc stearate.

[0015] Wherein, the modified tree ash is prepared by the following method: first soak the tree ash with 12% hydrochloric acid for 4 hours, wash it with deionized water, then soak it with 12% sodium hydroxide solution for 4 hours, and then wash it with deionized water to medium Dry, add 3% sodium lignosulfonate, 2% methyl triethoxy silane, 2% epoxidized triglyceride, 5% ceramic powder equivalent...

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Abstract

The invention discloses a nano sepiolite powder modified composite sound absorbing material. The material is prepared from the following raw materials in parts by weight: 100-120 parts of barite powder, 50-60 parts of ceramsite, 40-50 parts of nano sepiolite powder, 80-90 parts of polyvinyl acetate emulsion, 55-65 parts of modified tree ashes, 15-20 parts of mica powder, 20-30 parts of mineral wool fibers, 10-20 parts of nanocarbon, 20-30 parts of EVA (ethylene-vinyl acetate copolymer), 15-20 parts of CPE (chlorinated polyethylene), 5-10 parts of ABS (acrylonitrile butadiene styrene), 5-8 parts of glycerin triacetate, 4-6 parts of tricresyl phosphate, 1-2 parts of di(isooctyl thioglycolate) di-n-octyl tin and 2-3 parts of zinc stearate. The material has the beneficial effects that the problem of developing and researching the sound absorbing material urgently is solved and the novel sound absorbing material which meets the requirements, can stand the tests of harsh environments and has the advantages of high tensile strength, high elongation, high breaking strength, good sound absorbing effect and the like is prepared.

Description

Technical field [0001] The invention relates to a composite sound-absorbing material modified by nano sepiolite powder and a preparation method thereof, and belongs to the technical field of material research and production. Background technique [0002] With the development of industrial production, transportation, and urban construction, as well as the increase in population density, the increase in household facilities (audio, air conditioning, televisions, etc.), environmental noise has become increasingly serious, and it has become a major public hazard that pollutes the human social environment. Noise not only affects hearing, but also adversely affects the human cardiovascular system, nervous system, and endocrine system. [0003] The existing sound-absorbing materials also have composite types, but the performance indicators of the composite of inorganic materials and organic materials are few. On the whole, my country's sound-absorbing material industry has insufficient p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L31/04C08L23/08C08L23/28C08L55/02C08K13/06C08K9/10C08K3/04C08K3/30C08K3/34C08K7/10
Inventor 王黎明孙益民章云厉曼
Owner 芜湖跃飞新型吸音材料股份有限公司