JP5040433B2 - 真空断熱材 - Google Patents
真空断熱材 Download PDFInfo
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- JP5040433B2 JP5040433B2 JP2007130111A JP2007130111A JP5040433B2 JP 5040433 B2 JP5040433 B2 JP 5040433B2 JP 2007130111 A JP2007130111 A JP 2007130111A JP 2007130111 A JP2007130111 A JP 2007130111A JP 5040433 B2 JP5040433 B2 JP 5040433B2
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- Prior art keywords
- heat insulating
- glass
- weight
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- glass fiber
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Thermal Insulation (AREA)
- Glass Compositions (AREA)
Description
図1は、本発明の実施の形態1における真空断熱材の断面図を示す。図2は、本発明の実施の形態1における外包材の部分断面図を示す。
本発明の実施の形態2における真空断熱材1の芯材2のガラス繊維のガラス組成物について説明する。各ガラス組成物は繊維状態に成形を行った。
本実施例はガラス組成の重量%において、SiO2が65.0%、B2O3が5.0%、Na2Oが14.3%、K2Oが0.9%、MgOが3.7%、CaOが9.7%、Fe2O3を含むその他複数成分合計が1.4%からなるガラスを作製した。このガラスの1010℃における表面張力は300mN/mであった。
本実施例はガラス組成の重量%において、SiO2が62.7%、Al2O3が0.1%、B2O3が7.5%、Na2Oが14.5%、K2Oが0.1%、MgOが3.6%、CaOが9.5%、Fe2O3を含むその他複数成分合計が2.0%からなるガラスを作製した。このガラスの1000℃における表面張力は282mN/mであった。
本実施例はガラス組成の重量%において、SiO2が59.7%、Al2O3が1.7%、B2O3が6.5%、Na2Oが16.8%、K2Oが1.5%、MgOが3.0%、CaOが7.0%、ZnOが3.1%、Fe2O3を含むその他複数成分合計が0.7%からなるガラスを作製した。このガラスの1050℃における表面張力は251mN/mであった。
本比較例はガラス組成の重量%において、SiO2が70.4%、Al2O3が0.5%、Na2Oが13.9%、K2Oが0.8%、MgOが4.0%、CaOが10.0%、Fe2O3を含むその他複数成分合計が0.4%からなるガラスを作製した。このガラスの1040℃における表面張力は308N/mであった。
本比較例は実施例3と同様のグラスウールを芯材2として、外包材4の最内層7の厚みを10μmにして真空断熱材1を作製したときに、内部からの突き刺しピンホールの問題は発生しなかったが、シール強度の不足によって、簡単に剥離して密閉状態を維持することが困難であった。
2 芯材
4 外包材
7 最内層
Claims (3)
- ガラス繊維からなる芯材をガスバリア性を有する外包材で被覆し、前記外包材の内部を減圧密閉してなり、前記ガラス繊維は、重量%で、SiO2が50〜70%、Al2O3が0〜7%、Na2OとK2Oとを合わせて8〜20%、MgOが0〜6%、CaOが2〜15%、その他の組成が3%以下で、且つ、これら各組成の重量%の合計が100%となるように構成したガラス組成物からなり、さらに前記ガラス繊維は、重量%で、B 2 O 3 が5〜12%の範囲で含まれ、前記ガラス繊維の平均繊維径は1μm〜10μmの範囲からなることを特徴とする真空断熱材。
- ガラス繊維は、重量%で、ZnOが0.1〜7%の範囲で含まれる請求項1に記載の真空断熱材。
- 外包材は、少なくとも最内層に厚みが15μm以上50μm以下の樹脂製フィルムを有する複層ラミネートフィルムである請求項1または2に記載の真空断熱材。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007130111A JP5040433B2 (ja) | 2007-05-16 | 2007-05-16 | 真空断熱材 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2007130111A JP5040433B2 (ja) | 2007-05-16 | 2007-05-16 | 真空断熱材 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012156222A Division JP5673617B2 (ja) | 2012-07-12 | 2012-07-12 | 真空断熱材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008286263A JP2008286263A (ja) | 2008-11-27 |
JP5040433B2 true JP5040433B2 (ja) | 2012-10-03 |
Family
ID=40146175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007130111A Active JP5040433B2 (ja) | 2007-05-16 | 2007-05-16 | 真空断熱材 |
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JP (1) | JP5040433B2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5470987B2 (ja) * | 2009-04-07 | 2014-04-16 | パナソニック株式会社 | 真空断熱材 |
JP5471288B2 (ja) * | 2009-10-22 | 2014-04-16 | パナソニック株式会社 | 真空断熱材 |
KR101013754B1 (ko) * | 2010-06-18 | 2011-02-14 | 엔알티 주식회사 | 건축용 진공판넬단열재 및 제조방법 |
KR101183524B1 (ko) * | 2010-07-14 | 2012-09-20 | 엔알티 주식회사 | 진공판넬단열재를 이용한 방한복 제조방법 |
WO2013153813A1 (ja) * | 2012-04-11 | 2013-10-17 | パナソニック株式会社 | 真空断熱材、並びに、これを備える冷凍冷蔵庫および住宅壁 |
JP6190165B2 (ja) * | 2013-05-31 | 2017-08-30 | 日立アプライアンス株式会社 | 真空断熱材および断熱機器 |
JP5476615B2 (ja) * | 2013-08-07 | 2014-04-23 | パナソニック株式会社 | 真空断熱材、並びにこれを備えた冷蔵庫、ジャーポット及び住宅 |
WO2018052150A1 (ja) | 2016-09-16 | 2018-03-22 | マグ・イゾベール株式会社 | グラスウール及びそれを用いた真空断熱材 |
CN114956583B (zh) * | 2022-05-19 | 2023-06-30 | 宣汉正原微玻纤有限公司 | 一种干法玻璃纤维真空绝热板芯材及其制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000233946A (ja) * | 1998-11-18 | 2000-08-29 | Nippon Sheet Glass Co Ltd | 熱線反射ガラス及びこれを用いた複層ガラス |
JP4649953B2 (ja) * | 2004-11-01 | 2011-03-16 | パナソニック株式会社 | 真空断熱材 |
JP2006316872A (ja) * | 2005-05-12 | 2006-11-24 | Matsushita Electric Ind Co Ltd | 真空断熱材、および真空断熱材を適用した保温機器 |
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2007
- 2007-05-16 JP JP2007130111A patent/JP5040433B2/ja active Active
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JP2008286263A (ja) | 2008-11-27 |
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