| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a highly heat-resistant electric insulating material that is obtained by recycling, without using chemical liquid or the like, calendered aramid paper having been incinerated or disposed in an environment-friendly manner with reduced cost. <P>SOLUTION: A heat-resistant electric insulating sheet material comprises: fine particles with a weighted average fiber length of 1 mm or less obtained by pulverizing calendered aramid paper, that is, synthetic paper including aromatic polyamide; and an aramid fibrid. <P>COPYRIGHT: (C)2012,JPO&INPIT |
