JP2020536831A - 結晶性シリカを含まない低生体内持続性の無機繊維 - Google Patents
結晶性シリカを含まない低生体内持続性の無機繊維 Download PDFInfo
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- JP2020536831A JP2020536831A JP2020519435A JP2020519435A JP2020536831A JP 2020536831 A JP2020536831 A JP 2020536831A JP 2020519435 A JP2020519435 A JP 2020519435A JP 2020519435 A JP2020519435 A JP 2020519435A JP 2020536831 A JP2020536831 A JP 2020536831A
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- metal oxide
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- alumina
- fibers
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- 239000012784 inorganic fiber Substances 0.000 title claims abstract description 117
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 229910002026 crystalline silica Inorganic materials 0.000 title claims abstract description 15
- 235000012239 silicon dioxide Nutrition 0.000 title claims abstract description 15
- 238000001727 in vivo Methods 0.000 title abstract description 17
- 230000002688 persistence Effects 0.000 title abstract description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 97
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims abstract description 54
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 42
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- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims abstract description 25
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- 150000002602 lanthanoids Chemical class 0.000 claims abstract description 25
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- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 12
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 12
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- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical class O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 10
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 9
- SXQXMCWCWVCFPC-UHFFFAOYSA-N aluminum;potassium;dioxido(oxo)silane Chemical compound [Al+3].[K+].[O-][Si]([O-])=O.[O-][Si]([O-])=O SXQXMCWCWVCFPC-UHFFFAOYSA-N 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 7
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- SWHAQEYMVUEVNF-UHFFFAOYSA-N magnesium potassium Chemical compound [Mg].[K] SWHAQEYMVUEVNF-UHFFFAOYSA-N 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
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- 206010007269 Carcinogenicity Diseases 0.000 description 1
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- 235000019353 potassium silicate Nutrition 0.000 description 1
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
以下の実施例は、無機繊維の例示的な実施形態をさらに詳細に説明し、無機繊維を調製し、繊維を含む断熱物品を調製し、繊維を断熱材として使用する方法を例示するために示される。しかしながら、実施例は、繊維、繊維含有物品、または断熱材としての繊維を製造または使用するプロセスを何らかの方法で制限するものとして解釈されるべきではない。
収縮パッドは、フェルト針の横傾斜を使用して繊維マットをニードリングすることによって調製された。パッドから3インチx5インチの試験片を切り取り、収縮試験に使用した。試験パッドの長さと幅を注意深く測定した。次に、試験パッドを加熱炉に入れ、24時間1400℃の温度にした。24時間加熱した後、試験パッドを試験炉から取り出し、冷却した。冷却後、試験パッドの長さと幅を再度測定した。試験パッドの線形収縮は、「前」と「後」の寸法測定値を比較することによって決定された。
使用温度に曝された後の無機繊維の機械的強度を保持する能力は、圧縮回復試験によって評価された。圧縮回復は、特定の期間、繊維を望ましい使用温度に曝したときの無機繊維の機械的性能の測定値である。圧縮回復は、無機繊維材料から製造された試験パッドを、選択された期間、試験温度まで焼成することによって測定される。その後、焼成された試験パッドは、元の厚さの半分に圧縮され、反発する。リバウンドの量は、パッドの圧縮された厚さの回復率として測定される。1260℃で24時間および168時間、1400℃で24時間および168時間使用した後の圧縮回復を測定した。
生体内持続性に関して、肺には2種類のpH環境がある。一般に約7.4〜約7.8の範囲のpHを有する細胞外肺液中に見られる中性に近いpH環境がある。2番目のpH環境は、肺胞マクロファージに見られるより酸性の環境であり、pHは約4.5〜約5の範囲である。
本開示の無機繊維から調製された繊維パッドの耐フラックス性を分析した。3インチx5インチx1インチのニードルパッドに直径1インチの円柱状の穴があけられ、次に、同じサイズと繊維の別の2つのニードルパッドの間に配置した。一方のニードルパッドは下部にあり、もう一方のニードルパッドは上部にある。次に、円筒状の穴に一定量の粉末フラックス剤を充填する。積み重ねたパッドを1260℃で6時間焼成する。フラックス剤が繊維パッドと接触している場所の外観を調べて、フラックス剤の下での繊維の腐食の程度を決定する。K2CO3、Na2CO3、Na2B4O7は、この試験のフラックス剤として使用された。
本発明の無機繊維の繊維パッドの適合性を評価した。針状の繊維パッドをアルミナ粉末の層の上に置き、1150℃で14日間焼成した。焼成後、アルミナ粉末と接触していた繊維パッドの外観を調べて、アルミナと繊維の間の反応の程度を決定した。アルミナ粉末が繊維パッド表面に付着していた場合、それは反応が起こっていることを示しており、したがって、アルミナと繊維の間の不十分な適合性を示している。そうでなければ、アルミナ粉末と針状繊維パッドとの間の反応がほとんどまたはまったく観察されなかった場合、繊維はアルミナと適合性がある。アルミナ適合性試験の結果を以下の表VIに示す。
繊維試料を1260℃で24時間熱処理した。各熱処理済み繊維試料10グラムを3分間粉砕した。粉末繊維試料のX線回折(XRD)測定は、Jadeソフトウェアによって実行されるPhillips APD 3600システムで実行された。XRDスキャンは、6〜60度の0.02度のステップ幅あたり2秒カウントの条件で実行された。2−θXRD分析は、分析の内部標準としてα−A12O3を使用して、RIR半定量分析によって行われた。
この出願の発明に関連する先行技術文献情報としては、以下のものがある(国際出願日以降国際段階で引用された文献及び他国に国内移行した際に引用された文献を含む)。
(先行技術文献)
(特許文献)
(特許文献1) 米国特許出願公開第2016/0168019号明細書
(特許文献2) 米国特許出願公開第2014/0170921号明細書
(特許文献3) 米国特許第8,103,377号明細書
(特許文献4) 米国特許出願公開第2017/0101338号明細書
(特許文献5) 米国特許出願公開第2015/0175477号明細書
Claims (20)
- (i)約15〜約50molパーセントのシリカ、
(ii)約10〜約35molパーセントのアルミナ、
(iii)約10〜約35molパーセントの少なくとも1つのアルカリ金属酸化物、および、
(iv)約15〜約35molパーセントの少なくとも1つのアルカリ土類金属酸化物、または少なくとも1つの遷移金属酸化物、または少なくともランタニド系列の金属酸化物、またはそれらの組み合わせの
繊維化生成物を有する無機繊維であって、
前記シリカ+アルミナ+アルカリ金属酸化物の量は80molパーセント以下である、無機繊維。 - 請求項1記載の無機繊維において、前記繊維は、1260℃に24時間曝した後にX線回折(XRD)によって測定すると、結晶性シリカ相を示さないものである、無機繊維。
- 請求項2記載の無機繊維において、前記無機繊維は、中性またはほぼ中性の媒体での6時間の溶解速度よりも大きい酸性媒体での6時間の溶解速度を示すものである、無機繊維。
- 請求項1記載の無機繊維において、
(i)約15〜約50molパーセントのシリカ、
(ii)約10〜約35molパーセントのアルミナ、
(iii)約10〜約35molパーセントの少なくとも1つのアルカリ金属酸化物、および、
(iv)約15〜約35molパーセントの少なくとも1つのアルカリ土類金属酸化物の
繊維化生成物を有する無機繊維。 - 請求項1記載の無機繊維において、
(i)約15〜約50molパーセントのシリカ、
(ii)約10〜約35molパーセントのアルミナ、
(iii)約10〜約35molパーセントの少なくとも1つのアルカリ金属酸化物、および、
(iv)約15〜約35molパーセントの少なくとも1つの遷移金属酸化物の
繊維化生成物を有する無機繊維。 - 請求項1記載の無機繊維において、
(i)約15〜約50molパーセントのシリカ、
(ii)約10〜約35molパーセントのアルミナ、
(iii)約10〜約35molパーセントの少なくとも1つのアルカリ金属酸化物、および、
(iv)約15〜約35molパーセントの少なくともランタニド系列の金属酸化物の
繊維化生成物を有する無機繊維。 - 請求項1記載の無機繊維において、
(i)約15〜約50molパーセントのシリカ、
(ii)約10〜約35molパーセントのアルミナ、
(iii)約10〜約35molパーセントの少なくとも1つのアルカリ金属酸化物、および、
(iv)約15〜約35molパーセントの少なくとも1つのアルカリ土類金属酸化物および少なくとも1つの遷移金属酸化物の組み合わせの
繊維化生成物を有する無機繊維。 - 請求項1記載の無機繊維において、
(i)約15〜約50molパーセントのシリカ、
(ii)約10〜約35molパーセントのアルミナ、
(iii)約10〜約35molパーセントの少なくとも1つのアルカリ金属酸化物、および、
(iv)約15〜約35molパーセントの少なくとも1つのアルカリ土類金属酸化物および少なくともランタニド系列の金属酸化物の組み合わせの
繊維化生成物を有する無機繊維。 - 請求項1記載の無機繊維において、
(i)約15〜約50molパーセントのシリカ、
(ii)約10〜約35molパーセントのアルミナ、
(iii)約10〜約35molパーセントの少なくとも1つのアルカリ金属酸化物、および、
(iv)約15〜約35molパーセントの少なくとも1つの遷移金属酸化物および少なくともランタニド系列の金属酸化物の組み合わせの
繊維化生成物を有する無機繊維。 - 請求項1記載の無機繊維において、
(i)約15〜約50molパーセントのシリカ、
(ii)約10〜約35molパーセントのアルミナ、
(iii)約10〜約35molパーセントの酸化カリウム、および、
(iv)約15〜約35molパーセントの少なくとも1つのアルカリ土類金属酸化物、または少なくとも1つの遷移金属酸化物、または少なくともランタニド系列の金属酸化物、またはそれらの組み合わせの
繊維化生成物を有する無機繊維。 - 請求項1記載の無機繊維において、
(i)約15〜約50molパーセントのシリカ、
(ii)約10〜約35molパーセントのアルミナ、
(iii)約10〜約35molパーセントの少なくとも1つのアルカリ金属酸化物、および、
(iv)約15〜約35molパーセントの酸化マグネシウムの
繊維化生成物を有する無機繊維。 - 請求項1記載の無機繊維において、
(i)約15〜約50molパーセントのシリカ、
(ii)約10〜約35molパーセントのアルミナ、
(iii)約10〜約35molパーセントの酸化カリウム、および、
(iv)約15〜約35molパーセントの酸化マグネシウムの
繊維化生成物を有する無機繊維。 - 請求項1記載の無機繊維において、前記アルミナ+少なくとも1つのアルカリ金属酸化物の量は30molパーセント以上である、無機繊維。
- 請求項1記載の無機繊維において、前記アルミナ+少なくとも1つのアルカリ金属酸化物の量は34molパーセント以上である、無機繊維。
- 請求項13記載の無機繊維において、前記アルミナ+少なくとも1つのアルカリ金属酸化物の量は30molパーセント以上であり、前記アルミナの量は14molパーセント以上である、無機繊維。
- 請求項14記載の無機繊維において、前記アルミナ+少なくとも1つのアルカリ金属酸化物の量は34molパーセント以上であり、前記アルミナの量は14molパーセント以上である、無機繊維。
- 無機繊維を作製する方法であって、前記方法は、
(i)約15〜約50molパーセントのシリカ、(ii)約10〜約35molパーセントのアルミナ、(iii)約10〜約35molパーセントの少なくとも1つのアルカリ金属酸化物、および、(iv)約15〜約35molパーセントの少なくとも1つのアルカリ土類金属酸化物、または少なくとも1つの遷移金属酸化物、または少なくともランタニド系列の金属酸化物、またはそれらの組み合わせを有する原料成分を結合して、原料成分の溶融物を形成する工程と、
前記溶融物から繊維を製造する工程と
を有する、方法。 - 1260℃以上の温度で物品を断熱する方法であって、前記方法は、複数の請求項1記載の無機繊維を有する断熱材料を、断熱される物品の上、中、近く、または周囲に配置する工程を有する、方法。
- 1400℃以上の温度で物品を断熱する、または前記物品に防火を提供する方法であって、前記方法は、複数の請求項1記載の無機繊維を有する断熱材料を、断熱される物品の上、中、近く、または周囲に配置する工程を有する、方法。
- 複数の請求項1記載の無機繊維から調製された断熱材または防火材であって、前記材は、ブランケット、ブロック、ボード、コーキング組成物、セメント組成物、コーティング、フェルト、マット、成形可能な組成物、モジュール、紙、ポンプ輸送可能な組成物、パテ組成物、シート、タンピング混合物、真空鋳造立体的形状、真空鋳造平面的形状、または、織物、編組、布、布地、ロープ、テープ、スリーブおよび芯から選択されるものである、断熱材または防火材。
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BR (1) | BR112020007143A2 (ja) |
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US10023491B2 (en) | 2014-07-16 | 2018-07-17 | Unifrax I Llc | Inorganic fiber |
EP3169833B1 (en) | 2014-07-16 | 2019-08-14 | Unifrax I LLC | Inorganic fiber with improved shrinkage and strength |
WO2016010579A1 (en) | 2014-07-17 | 2016-01-21 | Unifrax I Llc | Inorganic fiber with improved shrinkage and strength |
US9919957B2 (en) | 2016-01-19 | 2018-03-20 | Unifrax I Llc | Inorganic fiber |
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2018
- 2018-10-05 BR BR112020007143-9A patent/BR112020007143A2/pt unknown
- 2018-10-05 US US16/152,878 patent/US11203551B2/en active Active
- 2018-10-05 CN CN201880065896.8A patent/CN111448173A/zh active Pending
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- 2018-10-05 EP EP18866035.1A patent/EP3694823A4/en active Pending
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JP2002512937A (ja) * | 1998-05-06 | 2002-05-08 | イソベール・サン−ゴバン | 人工ミネラルウール |
JP2002513730A (ja) * | 1998-05-06 | 2002-05-14 | イソベール・サン−ゴバン | 人工ミネラルウール |
JP2002526364A (ja) * | 1998-09-17 | 2002-08-20 | イソベール・サン−ゴバン | 鉱質綿組成物 |
JP2015025218A (ja) * | 2013-07-25 | 2015-02-05 | ニチアス株式会社 | 耐熱無機繊維 |
JP2017508705A (ja) * | 2014-02-19 | 2017-03-30 | コーニング インコーポレイテッド | 抗菌性ガラス組成物、それを含むガラス、およびポリマー物品 |
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CA3076663C (en) | 2023-12-05 |
BR112020007143A2 (pt) | 2020-09-24 |
KR20200055108A (ko) | 2020-05-20 |
JP7264887B2 (ja) | 2023-04-25 |
CN111448173A (zh) | 2020-07-24 |
US20190106359A1 (en) | 2019-04-11 |
WO2019074794A1 (en) | 2019-04-18 |
EP3694823A4 (en) | 2021-06-23 |
MX2020003641A (es) | 2020-07-29 |
EP3694823A1 (en) | 2020-08-19 |
US20220064071A1 (en) | 2022-03-03 |
CA3076663A1 (en) | 2019-04-18 |
US11203551B2 (en) | 2021-12-21 |
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