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Title:
SOUND-ABSORBING MATERIAL, SOUND-ABSORPTION-IMPROVING COATING, AND SOUND-ABSORPTION-IMPROVING SHEET
Document Type and Number:
WIPO Patent Application WO/2021/014535
Kind Code:
A1
Abstract:
The present disclosure pertains to a sound-absorbing material comprising a first base material layer having communication holes, and a composite layer provided on the first base material layer, the composite layer including porous particles and/or hollow particles, and a binder resin.

Inventors:
TAKAYASU SATOSHI (JP)
KOTAKE TOMOHIKO (JP)
Application Number:
PCT/JP2019/028667
Publication Date:
January 28, 2021
Filing Date:
July 22, 2019
Export Citation:
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Assignee:
SHOWA DENKO MATERIALS CO LTD (JP)
International Classes:
G10K11/168; G10K11/16
Domestic Patent References:
WO2018066169A12018-04-12
Foreign References:
JP2015197662A2015-11-09
JP2018087891A2018-06-07
JP2016155370A2016-09-01
JPH11219187A1999-08-10
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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