JPS54153001A - Sound absorbing material - Google Patents

Sound absorbing material

Info

Publication number
JPS54153001A
JPS54153001A JP6125078A JP6125078A JPS54153001A JP S54153001 A JPS54153001 A JP S54153001A JP 6125078 A JP6125078 A JP 6125078A JP 6125078 A JP6125078 A JP 6125078A JP S54153001 A JPS54153001 A JP S54153001A
Authority
JP
Japan
Prior art keywords
sound absorbing
absorbing material
silicic acid
incombustibility
impregnated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6125078A
Other languages
Japanese (ja)
Inventor
Hide Amamiya
Yasuhiro Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP6125078A priority Critical patent/JPS54153001A/en
Publication of JPS54153001A publication Critical patent/JPS54153001A/en
Pending legal-status Critical Current

Links

Landscapes

  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
  • Building Environments (AREA)

Abstract

PURPOSE: To form the sound absorbing material which will not cause degradation of heat resistance, incombustibility, etc. with time despite the used under use environments of high temperature and high humidity by treating celluosic material by the use of silicic acid.
CONSTITUTION: About 20 to 30% of silicic acid [(SiO2)m(H2O)n] is impregnated to cellulosic material (preferably cellose raw cotton), thence the dehydration treatment shown in the formula is applied to let the impregnated silicic acid to change to silica, whereby the cellulosic sound absorbing material imparted with heat resistance, incombustibility, etc. is formed.
COPYRIGHT: (C)1979,JPO&Japio
JP6125078A 1978-05-23 1978-05-23 Sound absorbing material Pending JPS54153001A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6125078A JPS54153001A (en) 1978-05-23 1978-05-23 Sound absorbing material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6125078A JPS54153001A (en) 1978-05-23 1978-05-23 Sound absorbing material

Publications (1)

Publication Number Publication Date
JPS54153001A true JPS54153001A (en) 1979-12-01

Family

ID=13165790

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6125078A Pending JPS54153001A (en) 1978-05-23 1978-05-23 Sound absorbing material

Country Status (1)

Country Link
JP (1) JPS54153001A (en)

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