TRANSPARENT PROTECTIVE SHEET FOR SOLAR CELL MODULE, AND METHOD FOR MANUFACTURING SAME

Provided is a transparent protective sheet which is obtained by forming a light resistant adhesive layer on the surface of a base resin layer, wherein the occurrence of uneven spots on the sheet surface can be avoided in a roll-to-roll manufacturing line. In a transparent protective sheet 1 for a so...

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Bibliographic Details
Main Authors NAKAHARA, Atsushi, KOYOSHI, Ryosuke, ISHII, Yasuhiro
Format Patent
LanguageEnglish
French
German
Published 28.06.2023
Subjects
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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Summary:Provided is a transparent protective sheet which is obtained by forming a light resistant adhesive layer on the surface of a base resin layer, wherein the occurrence of uneven spots on the sheet surface can be avoided in a roll-to-roll manufacturing line. In a transparent protective sheet 1 for a solar cell module, a weather resistant resin layer 13 is layered on one surface of a base resin layer 11 with a light resistant adhesive layer 12 therebetween, and an easily adhesive layer 14 is formed on the other surface of the base resin layer 11. The base resin layer is a resin film with a Rockwell hardness of R80 or more as measured according to JIS G 0202. The weather resistant resin layer 13 is a resin film with a Rockwell hardness which is less than that of the resin film which forms the base resin layer 11, as measured according to JIS G 0202. The light resistant adhesive layer 12 includes 0.3 to 1.3 g/m2 of an ultraviolet absorbing agent, and the easily adhesive layer 14 includes 0.07 to 0.25 g/m2 of a wax.
Bibliography:Application Number: EP20190768430