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Patent Searching and Data


Title:
SOUND-ABSORBING MATERIAL, COATING SOLUTION FOR IMPROVING SOUND ABSORPTION, AND SHEET FOR IMPROVING SOUND ABSORPTION
Document Type and Number:
WIPO Patent Application WO/2021/015168
Kind Code:
A1
Abstract:
The present disclosure pertains to a sound-absorbing material comprising: a first base material layer having a communication hole; and a composite layer provided on the first base material layer, wherein the composite layer includes at least one particle among a porous particle and a hollow particle, and a binder resin.

Inventors:
TAKAYASU SATOSHI (JP)
KOTAKE TOMOHIKO (JP)
Application Number:
PCT/JP2020/028096
Publication Date:
January 28, 2021
Filing Date:
July 20, 2020
Export Citation:
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Assignee:
SHOWA DENKO MAT CO LTD (JP)
International Classes:
G10K11/16; G10K11/165
Domestic Patent References:
WO2019079695A12019-04-25
WO2018066169A12018-04-12
Foreign References:
JP2015197662A2015-11-09
JP2018087891A2018-06-07
JP2017509004A2017-03-30
JP2016155370A2016-09-01
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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