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Title:
ミネラルウール、絶縁製品及び製造方法
Document Type and Number:
Japanese Patent JP2008534420
Kind Code:
A
Abstract:
The invention relates to thermally-stable mineral wool which can dissolve in a physiological medium, comprising fibres containing the following constituents, expressed in percentage by weight, namely: 35-60 % SiO2, preferably 39-55 %; 12-27% Al2O3, preferably 16-25%; 0-35% CaO, preferably 3-25%; 0-30% MgO, preferably 0-15%; 0-17% Na2O, preferably 6-12%; 0-17% K2O, preferably 3-12%; 10-17% R2O (Na2O+K2O), preferably 12-17%; 0-5% P2O5, preferably 0-2%; 0-20% Fe2O3; 0-8% B2O3, preferably 0-4%; and 0-3% TiO2, and at least one phosphorous compound that can react with said fibres at a temperature of less than 1000° C. in order to form a coating on the surface thereof. The invention is characterised in that the phosphorous content of said compound, as expressed in phosphorus atom weight, varies between 0.0005%, in particular more than 0.01%, and 1%, in particular less than 0.5%, of the total weight of the fibres. The invention is also characterised in that a phosphorus compound is a molecule in which the phosphorus atom(s) are bound to at least one carbon atom either directly or by means of an oxygen atom.

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Inventors:
Bernard, Jean-Luc
Douse, Jerome
Application Number:
JP2008503563A
Publication Date:
August 28, 2008
Filing Date:
March 31, 2006
Export Citation:
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Assignee:
Saint-Gobain Isobert
International Classes:
C03C25/10; C03C13/06; C03C25/14; C03C25/26; E04B1/94
Domestic Patent References:
JP2006089906A2006-04-06
JP2002339246A2002-11-27
JP2001354451A2001-12-25
JPS59163483A1984-09-14
JPS565352A1981-01-20
JPS59163483A1984-09-14
JPS565352A1981-01-20
JP2006089906A2006-04-06
JP2002339246A2002-11-27
JP2001354451A2001-12-25
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Katsu Sunagawa
Ryo Hashimoto
Tetsuya Kazama



 
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