LIGHT-TRANSMITTING LAMINATE AND METHOD FOR MANUFACTURING LIGHT-TRANSMITTING LAMINATE

• Main Authors: YAMAZAKI YUICHIRO, BESSHO HISAMI, NARASAKI TETSUJI, TAKEWAKI KENJI, IKENO SHOICHI, GOTO OSAMU, TAKEUCHI TETSUYA, INUZUKA MASATAKA, HIROSE MASASHI
• Format: Patent
• Language: English; Japanese
• Published: 23.03.2015
• Subjects: LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PERFORMING OPERATIONS; PHYSICS; TRANSPORTING

PROBLEM TO BE SOLVED: To provide a light-transmitting laminate excellent in workability and a method for manufacturing a light-transmitting laminate.SOLUTION: A light-transmitting laminate 10 includes layers in the following order on a surface of a light-transmitting substrate 12: a thin film layer 14 comprising a plurality of thin films stacked including a metal thin film and a high refractive index thin film having a refractive index higher than that of the light-transmitting substrate 12; a pressure-sensitive adhesive layer 16 and/or an adhesive layer; and a protective layer including a polyolefin layer 18 and a hard coat layer 20. When a square piece comprising only the protective layer is taken out from the light-transmitting laminate 10, a corner of the square piece curls with the hard coat layer 20 inside, giving a radius of curvature of 2.1 mm or more in the curling portion. 【課題】施工性に優れる光透過性積層体および光透過性積層体の製造方法を提供する。【解決手段】光透過性基板１２の面上に、金属薄膜と前記光透過性基板よりも屈折率の高い高屈折率薄膜とが含まれる複数の薄膜が積層されてなる薄膜層１４と、粘着剤層１６および／または接着剤層と、ポリオレフィン層１８およびハードコート層２０が含まれる保護層と、をこの順で有する光透過性積層体１０であって、光透過性積層体１０から取り出した保護層のみからなる方形片の角部がハードコート層２０を内側にしてカールするものであり、そのカールした部分の曲率半径が２．１ｍｍ以上となる光透過性積層体１０とする。【選択図】図１