LIGHT REFLECTING FILM, AND LIGHT REFLECTING BODY AND SUNLIGHT REFLECTING DEVICE HAVING THE SAME

PROBLEM TO BE SOLVED: To provide a light reflecting film which has good initial light condensing efficiency, and has improved reduction in light condensing efficiency in outdoor environment with a lapse of time, occurrence of cracks and reduction in adhesiveness.SOLUTION: A light reflecting film has...

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1. Verfasser:	TAIMA YASUO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MECHANICAL ENGINEERING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS RANGES REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION SOLAR HEAT COLLECTORS SOLAR HEAT SYSTEMS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VENTILATING WEAPONS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a light reflecting film which has good initial light condensing efficiency, and has improved reduction in light condensing efficiency in outdoor environment with a lapse of time, occurrence of cracks and reduction in adhesiveness.SOLUTION: A light reflecting film has at least one resin base material, a hard coat layer, an ultraviolet absorbing layer and a light reflecting layer, has the hard coat layer, the ultraviolet absorbing layer and the light reflecting layer arranged in this order, and has an image clarity (DOI) value measured from the side opposite to the ultraviolet absorbing layer of the hard coat layer according to ASTM D5767-95(2012) of 97.0-100.0.SELECTED DRAWING: Figure 1 【課題】初期の集光効率が良好であり、屋外環境下経時による集光効率の低下、クラックの発生、および密着性の低下が改善された光反射フィルムを提供する。【解決手段】少なくとも１つの樹脂基材と、ハードコート層と、紫外線吸収層と、光反射層とを有し、前記ハードコート層と、前記紫外線吸収層と、前記光反射層とが、この順に配置され、且つＡＳＴＭＤ５７６７−９５（２０１２）に準拠した方法で、前記ハードコート層の前記紫外線吸収層とは反対の側から測定された写像性（ＤＯＩ）値が９７．０〜１００．０である、光反射フィルム。【選択図】図１