发明名称 |
Reconstituted mica materials, reconstituted mica prepreg materials, reconstituted mica products and insulated coils |
摘要 |
A reconstituted mica material produced by sheet forming a slurry containing mica flakes prepared by disintegrating unfired mica and comprising (i) mica flakes having a particle size of 1.7 mm or more and an aspect ratio of 150 or more, (ii) mica flakes having a particle size of 1.0 mm or more and less than 1.7 mm and an aspect ratio of 150 or more, (iii) mica flakes having a particle size of 0.25 mm or more and less than 1.0 mm and an aspect ratio of 100 or more, and (iv) mica flakes having a particle size of less than 0.25 mm and an aspect ratio of 100 or more, in definite ranges, gives reconstituted mica prepreg materials, reconstituted mica products and insulated coils having excellent mechanical and electrical properties.
|
申请公布号 |
US4576856(A) |
申请公布日期 |
1986.03.18 |
申请号 |
US19840621461 |
申请日期 |
1984.06.18 |
申请人 |
HITACHI CHEMICAL COMPANY, LTD. |
发明人 |
KUWAJIMA, HIDEJI;WATANABE, TAKEYOSHI |
分类号 |
C04B14/20;C04B26/02;C04B28/34;C04B30/00;C08J5/24;H01B3/04;(IPC1-7):B32B19/04 |
主分类号 |
C04B14/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|