Title:
SOUND-ABSORBING MEMBER, METHOD FOR PRODUCING SOUND-ABSORBING MEMBER, AND SHEET FOR SOUND-ABSORBING MEMBER
Document Type and Number:
WIPO Patent Application WO/2012/008473
Kind Code:
A1
Abstract:
Provided is a sound-absorbing member which has excellent sound absorption characteristics in a low frequency range.
This sound-absorbing member is obtained by forming an adhesion layer of an acrylic gel on the surface of a porous base directly or via a nonwoven fabric. The acrylic gel is formed by gelatinizing an acrylic sol which contains 50-150 parts by mass of a plasticizer that has a boiling point of 180˚C or more per 100 parts by mass of an acrylic resin.
Inventors:
MATSUO Atsushi (LIMITED 6-3, Kanda-Kaji-Cho 3-chome, Chiyoda-k, Tokyo 45, 〒1010045, JP)
松尾 篤 (〒45 東京都千代田区神田鍛冶町３丁目６番地３ 旭ファイバーグラス株式会社内 Tokyo, 〒1010045, JP)
松尾 篤 (〒45 東京都千代田区神田鍛冶町３丁目６番地３ 旭ファイバーグラス株式会社内 Tokyo, 〒1010045, JP)
Application Number:
JP2011/065926
Publication Date:
January 19, 2012
Filing Date:
July 13, 2011
Export Citation:
Assignee:
ASAHI FIBER GLASS COMPANY, LIMITED (6-3 Kanda-Kaji-Cho 3-chome, Chiyoda-ku Tokyo, 45, 〒1010045, JP)
旭ファイバーグラス株式会社 (〒45 東京都千代田区神田鍛冶町３丁目６番地３ Tokyo, 〒1010045, JP)
MATSUO Atsushi (LIMITED 6-3, Kanda-Kaji-Cho 3-chome, Chiyoda-k, Tokyo 45, 〒1010045, JP)
旭ファイバーグラス株式会社 (〒45 東京都千代田区神田鍛冶町３丁目６番地３ Tokyo, 〒1010045, JP)
MATSUO Atsushi (LIMITED 6-3, Kanda-Kaji-Cho 3-chome, Chiyoda-k, Tokyo 45, 〒1010045, JP)
International Classes:
G10K11/16; G10K11/162
Attorney, Agent or Firm:
MATSUI Shigeru (2nd Floor, Ginza Chuo Bldg. 16-5, Ginza 8-chome, Chuo-k, Tokyo 61, 〒1040061, JP)
Claims:
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