JP2012102450A - 無機繊維質成形体及びその製造方法並びに加熱設備 - Google Patents
無機繊維質成形体及びその製造方法並びに加熱設備 Download PDFInfo
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- JP2012102450A JP2012102450A JP2011154567A JP2011154567A JP2012102450A JP 2012102450 A JP2012102450 A JP 2012102450A JP 2011154567 A JP2011154567 A JP 2011154567A JP 2011154567 A JP2011154567 A JP 2011154567A JP 2012102450 A JP2012102450 A JP 2012102450A
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Abstract
【解決手段】一部が結晶化した生体溶解性無機繊維と、無機バインダーとを含み、前記生体溶解性無機繊維が、以下の組成を有するSiO2/MgO繊維又はSiO2/CaO繊維であることを特徴とする無機繊維質成形体。[SiO2/MgO繊維]SiO266〜82重量%、CaO1〜9重量%、MgO10〜30重量%、Al2O33重量%以下;[SiO2/CaO繊維]SiO266〜82重量%、CaO10〜34重量%、MgO3重量%以下、Al2O35重量%以下
【選択図】図5
Description
SiO2とAl2O3とZrO2とTiO2との合計 50〜82重量%
CaOとMgOとの合計 18〜50重量%
SiO2 50〜82重量%
CaOとMgOとの合計 10〜43重量%
SiO2 66〜82重量%
CaO 1〜9重量%(例えば、2〜8重量%とできる)
MgO 10〜30重量%(例えば、15〜20重量%とできる)
Al2O3 3重量%以下
他の酸化物 2重量%未満
SiO2 66〜82重量%(例えば、68〜80重量%、70〜80重量%、71〜80重量%又は71〜76重量%とできる)
CaO 10〜34重量%(例えば、20〜30重量%又は21〜26重量%とできる)
MgO 3重量%以下(例えば、1重量%以下とできる)
Al2O3 5重量%以下(例えば3.5重量%以下又は3重量%以下とできる。また、1重量%以上又は2重量%以上とできる)
他の酸化物 2重量%未満
SiO2 66〜82重量%(例えば、68〜80重量%、70〜80重量%、71〜80重量%又は71〜76重量%とできる)
CaO 10〜34重量%(例えば、20〜30重量%又は21〜26重量%とできる)
MgO 3重量%以下(例えば、1重量%以下とできる)
Al2O3 5重量%以下(例えば3.5重量%以下又は3重量%以下とできる。また、1重量%以上又は2重量%以上とできる)
他の酸化物 2重量%未満
Claims (8)
- 一部が結晶化した生体溶解性無機繊維と、無機バインダーとを含み、
前記生体溶解性無機繊維が、以下の組成を有するSiO2/MgO繊維又はSiO2/CaO繊維である
ことを特徴とする無機繊維質成形体。
[SiO2/MgO繊維]
SiO2 66〜82重量%
CaO 1〜9重量%
MgO 10〜30重量%
Al2O3 3重量%以下
[SiO2/CaO繊維]
SiO2 66〜82重量%
CaO 10〜34重量%
MgO 3重量%以下
Al2O3 5重量%以下 - 前記生体溶解性無機繊維は、ワラストナイト、ディオプサイド又はエンスタタイトの結晶を含む
ことを特徴とする請求項1に記載された無機繊維質成形体。 - 前記成形体がボードであり、400℃で24時間加熱したときの反り量が1.3mm以下である
ことを特徴とする請求項1又は2に記載された無機繊維質成形体。 - 以下の組成を有するSiO2/MgO繊維又はSiO2/CaO繊維である、非晶質の生体溶解性無機繊維に600〜1300℃の加熱処理を施す第一工程と、
前記加熱処理が施された前記生体溶解性無機繊維と、無機バインダーと、を含む無機繊維質成形体を成形する第二工程と、
を含む
ことを特徴とする無機繊維質成形体の製造方法。
[SiO2/MgO繊維]
SiO2 66〜82重量%
CaO 1〜9重量%
MgO 10〜30重量%
Al2O3 3重量%以下
[SiO2/CaO繊維]
SiO2 66〜82重量%
CaO 10〜34重量%
MgO 3重量%以下
Al2O3 5重量%以下 - 前記第一工程において、前記非晶質の生体溶解性無機繊維に結晶化温度以上の温度で加熱処理を施し、一部が結晶化した前記生体溶解性無機繊維を得る
ことを特徴とする請求項4に記載された無機繊維質成形体の製造方法。 - 前記加熱処理が施された前記生体溶解性無機繊維は、ワラストナイト、ディオプサイド又はエンスタタイトの結晶を含む
ことを特徴とする請求項4又は5に記載された無機繊維質成形体の製造方法。 - 前記成形体がボードであり、400℃で24時間加熱したときの反り量が1.3mm以下である
ことを特徴とする請求項4〜6のいずれかに記載された無機繊維質成形体の製造方法。 - 請求項1〜3のいずれかに記載された無機繊維質成形体を含む
ことを特徴とする加熱設備。
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PCT/JP2011/005763 WO2012049858A1 (ja) | 2010-10-14 | 2011-10-14 | 無機繊維質成形体及びその製造方法並びに加熱設備 |
AU2011315024A AU2011315024B2 (en) | 2010-10-14 | 2011-10-14 | Inorganic fiber molded article, method for producing same, and heating equipment |
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WO2013183241A1 (ja) * | 2012-06-07 | 2013-12-12 | ニチアス株式会社 | 生理食塩水に可溶なAl-Ca系無機繊維及びその組成物 |
JP2014228035A (ja) * | 2013-05-21 | 2014-12-08 | イソライト工業株式会社 | 耐火断熱材及びその製造方法 |
JP2018040536A (ja) * | 2016-09-07 | 2018-03-15 | ニチアス株式会社 | 無機繊維質成形体 |
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- 2011-10-14 EP EP11832302.1A patent/EP2628717A4/en not_active Withdrawn
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AU2011315024B2 (en) | 2015-03-19 |
EP2628717A4 (en) | 2014-04-16 |
WO2012049858A1 (ja) | 2012-04-19 |
KR20140020826A (ko) | 2014-02-19 |
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JP4975179B2 (ja) | 2012-07-11 |
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