JP2016518279A - 真空断熱材用外皮材及びそれを含む高性能真空断熱材 - Google Patents
真空断熱材用外皮材及びそれを含む高性能真空断熱材 Download PDFInfo
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- JP2016518279A JP2016518279A JP2016511666A JP2016511666A JP2016518279A JP 2016518279 A JP2016518279 A JP 2016518279A JP 2016511666 A JP2016511666 A JP 2016511666A JP 2016511666 A JP2016511666 A JP 2016511666A JP 2016518279 A JP2016518279 A JP 2016518279A
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- heat insulating
- vacuum heat
- film
- insulating material
- vacuum
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
Description
本発明の他の具現例は、前記真空断熱材用外皮材を含み、熱性能と長期性能に優れた真空断熱材を提供する。
前記ポリビニルアルコールフィルムの厚さは、約10μm〜約30μmであってよい。
前記ポリビニルアルコールフィルムは、単層または多層で形成され得る。
前記シーリングフィルムの厚さは、約20μm〜約40μmであってよい。
前記アルミ蒸着フィルムの厚さは、約5μm〜約20μmであってよい。
前記ポリウレタン系樹脂の層間接着強度は、約200gf/15mm以上であってよい。
前記芯材は、ガラス繊維を含むボードが1層以上積層された積層体であってよい。
前記芯材に貼付けまたは挿入されるゲッター材をさらに含むことができる。
前記真空断熱材用外皮材を用いた真空断熱材は、熱性能と長期耐久性能が同時に向上し得る。
本発明の一具現例において、1層以上のポリエステルフィルム;前記ポリエステルフィルムの下部に接着されるポリビニルアルコール(Polyvinyl Alcohol、PVOH)フィルム;及び、前記ポリビニルアルコールフィルムの下部に接着されるシーリングフィルムを順次に含む真空断熱材用外皮材を提供する。
本発明の他の具現例において、ガラス繊維からなる芯材;及び、前記芯材を収納し、内部を減圧した前記真空断熱材用外皮材を含む真空断熱材を提供する。
以下においては、本発明の具体的な実施例を提示する。ただし、下記に記載された実施例は、本発明を具体的に例示または説明するためのものに過ぎず、これによって本発明が制限されてはならない。
(実施例1)
先ず、直径が1μm〜6μmであるガラス繊維集合体及びシリカを含む無機バインダからなる5mmの板状のボードがそれぞれ一層ずつ積層法により積層されて複合体に構成され、気孔径が50μmである芯材を真空断熱材用芯材として用いた。このとき、純度95%の生石灰(CaO)5gをパウチに入れて製造したゲッター材を前記芯材に挿入した。
その後、前記芯材を前記外皮材に挿入してから、1Paの真空度の状態で密封し、大きさが200mm×200mm×8mmである真空断熱材を製造した。
真空断熱材用芯材の気孔径を80μmとしたことを除いては、前記実施例1と同様の方法で真空断熱材を製造した。
上からポリエチレンテレフタレートフィルム(PET)12μm、ナイロン(Nylon)フィルム25μm、アルミ箔7μm及び線形低密度ポリエチレン(LLDPE)フィルム50μmの構造に形成された真空断熱材用外皮材を用いたことを除いては、前記実施例1と同様に真空断熱材を製造した。
上から3層のVM−PETフィルム12μm及び線形低密度ポリエチレン(LLDPE)フィルム50μmの構造に形成された真空断熱材用外皮材を用いたことを除いては、前記実施例1と同様に真空断熱材を製造した。
図3は、前記実施例1、比較例1及び比較例2に係る真空断熱材用外皮材の分解断面図である。
前記実施例1及び実施例2に係る真空断熱材を、70℃、90%RHの恒温チャンバにそれぞれ入れて、3ヶ月間維持しながら、HC−074−200(EKO社製)熱伝導測定器を用いて熱伝導率を測定した。
それゆえ、前記真空断熱材が、アルミ箔を含まず、PVOHフィルムを含む真空断熱材用外皮材と気孔径が約50μm以下である芯材を同時に含むことにより、熱伝達特性及び長期耐久性能を共に確保できることを確認した。
前記実施例1、比較例1及び比較例2に係る真空断熱材を85℃の恒温チャンバにそれぞれ入れて、3ヶ月間維持しながら、HC−074−200(EKO社製)熱伝導測定器を用いて熱伝導率を測定した。
Claims (14)
- 1層以上のポリエステルフィルム;
前記ポリエステルフィルムの下部に接着されるポリビニルアルコール(Polyvinyl Alcohol、PVOH)フィルム;及び
前記ポリビニルアルコールフィルムの下部に接着されるシーリングフィルムを順次に含む、真空断熱材用外皮材。 - 前記ポリビニルアルコールフィルムの厚さは、10μm〜30μmである、請求項1に記載の真空断熱材用外皮材。
- 前記ポリビニルアルコールフィルムが、単層または多層で形成された、請求項1に記載の真空断熱材用外皮材。
- 前記シーリングフィルムは、無延伸(Casting Polypropylene、CPP)フィルムを含む、請求項1に記載の真空断熱材用外皮材。
- 前記シーリングフィルムの厚さは、20μm〜40μmである、請求項1に記載の真空断熱材用外皮材。
- 前記ポリエステルフィルムは、1層以上のアルミ蒸着フィルム(Vacuumm Metalized PolyEthylene Terephthalate Film、VM−PET)フィルムを含む、請求項1に記載の真空断熱材用外皮材。
- 前記アルミ蒸着フィルムの厚さは、5μm〜20μmである、請求項6に記載の真空断熱材用外皮材。
- 前記ポリエステルフィルム、ポリビニルアルコールフィルム及びシーリングフィルムは、それぞれポリウレタン系樹脂によって接着される、請求項1に記載の真空断熱材用外皮材。
- 前記ポリウレタン系樹脂の層間接着強度は、200gf/15mm以上である、請求項8に記載の真空断熱材用外皮材。
- 前記真空断熱材用外皮材は、アルミ箔をさらに含まない、請求項1に記載の真空断熱材用外皮材。
- ガラス繊維からなる芯材;及び
前記芯材を収納し、内部を減圧した請求項1乃至10のいずれか一項に記載の外皮材を含む、真空断熱材。 - 前記芯材が、前記ガラス繊維を含むボードが1層以上積層された積層体である、請求項11に記載の真空断熱材。
- 前記芯材の気孔径(pore size)が、50μm以下である、請求項11に記載の真空断熱材。
- 前記芯材に貼付けまたは挿入されるゲッター材をさらに含む、請求項11に記載の真空断熱材。
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PCT/KR2014/002756 WO2014178540A1 (ko) | 2013-05-03 | 2014-04-01 | 진공단열재용 외피재 및 이를 포함하는 고성능 진공단열재 |
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KR (1) | KR101800047B1 (ja) |
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KR20160067240A (ko) * | 2014-12-03 | 2016-06-14 | (주)엘지하우시스 | 진공단열재용 외피재 및 이를 포함하는 진공단열재 |
WO2016105077A1 (ko) * | 2014-12-26 | 2016-06-30 | 삼성전자주식회사 | 흡착재, 이를 포함하는 진공단열재 및 냉장고 |
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KR101704783B1 (ko) * | 2015-06-26 | 2017-02-08 | 삼아알미늄(주) | 진공단열재용 외포재, 이의 제조방법 및 이를 포함하는 진공단열재 |
KR101722570B1 (ko) * | 2015-09-02 | 2017-04-11 | 삼아알미늄(주) | 진공단열재용 복합강화 난연성 외포재, 이의 제조방법 및 이를 포함하는 진공단열재 |
WO2017151688A1 (en) * | 2016-02-29 | 2017-09-08 | Alienus Film Llc | Vacuum insulating film |
CN106515138A (zh) * | 2016-10-21 | 2017-03-22 | 巢湖市伟业玻璃有限公司 | 防火钢化玻璃的制作方法及采用该方法制作的钢化玻璃 |
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WO2019003458A1 (ja) * | 2017-06-27 | 2019-01-03 | 栗田工業株式会社 | 真空度保持シート |
KR101993529B1 (ko) | 2017-11-06 | 2019-09-30 | 삼아알미늄 (주) | 진공단열패널용 외피재, 이를 이용한 건축용 진공단열패널 및 이의 제조방법 |
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EP2993040A4 (en) | 2016-05-25 |
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TW201442871A (zh) | 2014-11-16 |
US20160082709A1 (en) | 2016-03-24 |
CR20160438A (es) | 2017-01-24 |
TWI641488B (zh) | 2018-11-21 |
KR20140131112A (ko) | 2014-11-12 |
CN105189114A (zh) | 2015-12-23 |
US9925747B2 (en) | 2018-03-27 |
KR101800047B1 (ko) | 2017-12-20 |
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