Title:
INSULATING VARNISH COMPOSITION, CURED INSULATING VARNISH, COIL AND METHOD FOR PRODUCING COIL
Document Type and Number:
WIPO Patent Application WO/2022/239203
Kind Code:
A1
Abstract:
This insulating varnish composition comprises: a thermosetting resin (15) which contains at least one resin that is selected from among an epoxy resin, a vinyl ester resin, and an unsaturated polyester resin that contains a high molecular weight material having a weight average molecular weight of 2,000 or more; and an air bubble-forming component which is in a liquid state, and a gas of which has a vapor pressure of 1 mmHg or more but less than 80 mmHg in a standard state.
Inventors:
HOSOKOSHI FUMIHIKO (JP)
Application Number:
PCT/JP2021/018280
Publication Date:
November 17, 2022
Filing Date:
May 13, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K3/30; C08L63/00; C08L63/10; C08L67/06; C08L101/00; C09D163/00; C09D163/10; C09D167/06; H01B3/30; H01B3/40; H01B7/38; H01B13/00; H01F5/06; H02K3/46
Domestic Patent References:
| WO2016072425A1 | 2016-05-12 | |||
| WO2017061006A1 | 2017-04-13 |
Foreign References:
| JP2017048329A | 2017-03-09 | |||
| JP2009102586A | 2009-05-14 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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