INFRARED REFLECTIVE LAMINATE

PROBLEM TO BE SOLVED: To provide an infrared reflective laminate, particularly a back sheet for solar cells, which can reflect an infrared light of certain wavelengths to prevent heat accumulation and also has an excellent heat resistance, regardless of its black or chromatically colored appearance....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WATANABE ATSUSHI, HASHIMOTO MASANORI, KAKUNO WATARU
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an infrared reflective laminate, particularly a back sheet for solar cells, which can reflect an infrared light of certain wavelengths to prevent heat accumulation and also has an excellent heat resistance, regardless of its black or chromatically colored appearance.SOLUTION: The infrared reflective laminate includes a layer (B) as a base material layer, a layer (A) stacked on one side of the same and a layer (C) stacked on the other side of the same respectively stated below. Layer (A): A colored resin layer having a light absorption of 10% or lower at a wavelength of 800-1,400 nm. Layer (B): A thermoplastic resin layer which satisfies a dimensional change rate (s) of 1%≥s≥-1% as measured under conditions of standing at 150°C for 30 min. Layer (C): A colored resin layer formed of a resin containing a white pigment selected from a group including ZnO, TiO, AlO, nHO, [ZnS+BaSO], CaSO2HO, BaSO, CaCOand PbCOPb (OH), and having a light reflectance of 50% or more at a wavelength of 400-1,400 nm.