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Multilayered-structure porous ceramic sound-absorbing material and preparing method thereof
The invention discloses a multilayered-structure porous ceramic sound-absorbing material and a preparing method thereof. The multilayered-structure porous ceramic sound-absorbing material is prepared by perlite, shale, coal ash, foaming agents and binding agents. Compared with a traditional sound-absorbing material, the multilayered-structure porous ceramic sound-absorbing material has the following obvious advantages that the material is of a multilayered structure of different thicknesses and different hole diameters, and the sound-absorbing performance of a product is greatly improved by changing the hole diameters and increasing the viscous resistance of sound waves; the preparing raw materials are low in cost, easy to purchase and high in cost performance; the raw material loss in the preparing process is reduced, and the product conversion rate is high; the preparing method is low in cost and high in controllability, and large-scale production is easy to realize.
Multilayered-structure porous ceramic sound-absorbing material and preparing method thereof
The invention discloses a multilayered-structure porous ceramic sound-absorbing material and a preparing method thereof. The multilayered-structure porous ceramic sound-absorbing material is prepared by perlite, shale, coal ash, foaming agents and binding agents. Compared with a traditional sound-absorbing material, the multilayered-structure porous ceramic sound-absorbing material has the following obvious advantages that the material is of a multilayered structure of different thicknesses and different hole diameters, and the sound-absorbing performance of a product is greatly improved by changing the hole diameters and increasing the viscous resistance of sound waves; the preparing raw materials are low in cost, easy to purchase and high in cost performance; the raw material loss in the preparing process is reduced, and the product conversion rate is high; the preparing method is low in cost and high in controllability, and large-scale production is easy to realize.
Multilayered-structure porous ceramic sound-absorbing material and preparing method thereof
XU JINGJING (author) / KANG JIAN (author) / GAO LILING (author) / ZHANG YUSUI (author) / ZHU WENHAO (author)
2015-11-11
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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