| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a flexible curing sheet for electric work, having excellent nail perforation resistance and large electric insulation properties. <P>SOLUTION: The curing sheet for electric work is made of a thermoplastic polyurethan resin, having a sheet thickness of 0.2 to 1.0 mm and a perforation stress of not less than 50 N. The thermoplastic polyurethane resin is preferably obtained by reacting (a) a polyether polyol, a polyol selected from a polycarbonate polyol, (b) a chain extender, and (c) an organic diisocyanate. <P>COPYRIGHT: (C)2008,JPO&INPIT |
