| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a polypropylene resin film for surface protection and a protection film including the polypropylene resin film for surface protection and an adhesive layer laid on it; wherein the polypropylene resin film is suitable as a base film for the protection film which is excellent in dimensional stability and transparency, is low in foreign matters, has neither crease nor sagging in rolled form, excels in adhesive applicability or adhesion workability and is excellent in protection after adhesion treatment. <P>SOLUTION: A non-extended resin film for surface protection has thickness of 30μm or more and 100μm or less, wherein the film is obtained by extruding the molten resin in sheet form and heat treating under 70°C or more and less than melting point of the resin after cooling and solidifying it. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
