JP6498202B2 - 低放射コーティングおよびそれを含む建具用機能性建築資材 - Google Patents
低放射コーティングおよびそれを含む建具用機能性建築資材 Download PDFInfo
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- JP6498202B2 JP6498202B2 JP2016538863A JP2016538863A JP6498202B2 JP 6498202 B2 JP6498202 B2 JP 6498202B2 JP 2016538863 A JP2016538863 A JP 2016538863A JP 2016538863 A JP2016538863 A JP 2016538863A JP 6498202 B2 JP6498202 B2 JP 6498202B2
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Description
前記低放射層は、Ag、Au、Cu、Al、Pt、イオンドープ金属酸化物、およびこれらの組合せからなる群から選択される少なくとも1つを含むことができる。
前記低放射層の厚さが約5nm〜約25nmであることができる。
前記低放射保護金属層は、Ni、Cr、NiとCrの合金、Ti、およびこれらの組合せからなる群から選択される少なくとも1つを含むことができる。
前記Si系複合金属窒化物は、Al、Ti、Co、およびこれらの組合せからなる群から選択される少なくとも1つを含むことができる。
前記コーティング100は、Ti系酸化物層110と、亜鉛およびアルミニウムの複合金属系酸化物層120と、低放射保護金属層130と、低放射層140と、を順に含む多層構造である。
(実施例1)
マグネトロン(C−Mag)スパッタ蒸着装置(Selcos、Cetus−S)を用いて、下記表1に示す組成および厚さを有する多層構造の低放射コーティングがコートされたローイーガラスを制作した。
ZnAlOx層の厚さを3nmに積層したことを除き、実施例1と同様の条件でローイーガラスを制作した。
多相構造の膜のうちZnAlOx層を除いたことを除き、実施例1と同様の条件でローイーガラスを制作した。
多層構造の膜のうちTiOx層およびZnAlOx層を除いたことを除き、実施例1と同様の条件でローイーガラスを制作した。
(実験例1)
実施例1〜5および比較例1〜3で制作されたローイーガラスのサンプルに対して、下記の方法で熱処理を行った後、光学物性を評価した。
実施例1〜5および比較例1〜3で制作されたローイーガラスのサンプルに対して、小型洗浄機を用いて熱処理前後の耐摩耗性テストを行った。サンプルを入れ、ブラシ位置で57秒間停止し、3秒間通過させた。この際、水を十分に供給した。洗浄等級を1〜6等級に分けて、洗浄後にスクラッチが発生しなかった場合を1等級と評価し、下記表3に示す。
110、210 Ti系酸化物層
120、220 亜鉛およびアルミニウムの複合金属系酸化物層
130、230 低放射保護金属層
140、240 低放射層
150、250 最外層誘電体層
190、290 ガラス基材
200 建具用機能性建築資材
Claims (14)
- Ti系酸化物層と、亜鉛およびアルミニウムの複合金属系酸化物層と、低放射保護金属層と、低放射層と、を順に含む多層構造であり、
前記亜鉛およびアルミニウムの複合金属系酸化物層は、ZnAlOx、0.9≦x≦1.1で表される亜鉛およびアルミニウムの複合金属系酸化物を含む、低放射コーティング。 - 前記亜鉛およびアルミニウムの複合金属系酸化物層の厚さが、2nm〜10nmである、請求項1に記載の低放射コーティング。
- 前記低放射層は、放射率が0.01〜0.3である、請求項1に記載の低放射コーティング。
- 前記低放射層は、Ag、Au、Cu、Al、Pt、イオンドープ金属酸化物、およびこれらの組合せからなる群から選択される少なくとも1つを含む、請求項1に記載の低放射コーティング。
- 前記低放射層の厚さが5nm〜25nmである、請求項1に記載の低放射コーティング。
- 前記低放射保護金属層は、可視光線領域の消衰係数が1.5〜4である、請求項1に記載の低放射コーティング。
- 前記低放射保護金属層は、Ni、Cr、NiとCrの合金、Ti、およびこれらの組合せからなる群から選択される少なくとも1つを含む、請求項1に記載の低放射コーティング。
- 前記低放射コーティングの最外層の片面または両面に、Si系複合金属窒化物を含む最外層誘電体層をさらに含む、請求項1に記載の低放射コーティング。
- 前記Si系複合金属窒化物は、Al、Ti、Co、およびこれらの組合せからなる群から選択される少なくとも1つを含む、請求項8に記載の低放射コーティング。
- 下部から、第1の最外層誘電体層、Ti系酸化物層、亜鉛およびアルミニウムの複合金属系酸化物層、第1の低放射保護金属層、低放射層、第2の低放射保護金属層、および第2の最外層誘電体層が積層された構造であって、
前記第1の最外層誘電体層および前記第2の最外層誘電体層は、Si系複合金属窒化物を含む層である、請求項1に記載の低放射コーティング。 - 透明基材と、
前記透明基材にコートされた請求項1乃至10の何れか一項に記載の低放射コーティングと、を含む、建具用機能性建築資材。 - 前記低放射コーティングの積層方向は、前記Ti系酸化物層が、前記低放射層より前記透明基材に近くなる方向に積層される、請求項11に記載の建具用機能性建築資材。
- 前記透明基材は、90〜100%の可視光透過率を有する、請求項11に記載の建具用機能性建築資材。
- 前記透明基材は、ガラスまたは透明プラスチック基板である、請求項11に記載の建具用機能性建築資材。
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