| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a polyvinyl acetal resin sheet suitable for use in a sealing material for a photovoltaic power generation module, and to provide a photovoltaic power generation module using the sheet. <P>SOLUTION: The sheet comprises 100 pts.mass of a polyvinyl acetal resin having a hydroxyl value of 150 or below and 10-1,000 pts.mass of a polypropylene glycol containing at least not less than 50 mass% of a polypropylene glycol structure. A thickness of the sheet is preferably 0.1-10 mm. The sheet is suitable for use in a sealing material for a photoelectric conversion element and wiring of a photovoltaic power generation module. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
