NIR-reflective multi-layer material sheet

The present invention relates to a multi-layer material sheet comprising an NIR-reflective, translucent polymeric layer having a reflectance of more than 20% of all light with a wavelength from 750 nm to 1000 nm and a transmission of more than 50% of all light with a wavelength from 380 nm to 750 nm...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YANSEN, LAUW, PASMANS, PETER LEONARDUS ELISABETH MARIA, JANSSEN, MARK MARTINUS MARIA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS SEMICONDUCTOR DEVICES TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to a multi-layer material sheet comprising an NIR-reflective, translucent polymeric layer having a reflectance of more than 20% of all light with a wavelength from 750 nm to 1000 nm and a transmission of more than 50% of all light with a wavelength from 380 nm to 750 nm and an NIR-reflective, colored polymeric layer having a reflectance of more than 25% of all light with a wavelength from 1000 nm to 2100 nm. The present invention also relates to a backsheet suitable for use in a photovoltaic module, said backsheet comprising said multi-layer material sheet; and to a photovoltaic module comprising said backsheet.