Title:
EPOXY RESIN COMPOSITION, EPOXY RESIN CURING AGENT, MOTOR, AND AXIAL GAP-TYPE MOTOR
Document Type and Number:
WIPO Patent Application WO/2014/184859
Kind Code:
A1
Abstract:
The present invention involves an epoxy resin composition which includes an epoxy resin, an epoxy resin curing agent, and a granular inorganic filler, wherein the epoxy resin is a cresol novolac type epoxy resin with a weight average molecular weight of 700 to 1800, and the epoxy resin curing agent is a phenol resin with a weight average molecular weight of 700 to 1400. Thus, an epoxy resin curing agent that is inexpensive, has excellent formability, heat resistance, mechanical strength and shock resistance, and that has an appropriate thermal expansion coefficient, can be provided.
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Inventors:
OKABE YOSHIAKI (JP)
MATSUMOTO HIRONORI (JP)
MATSUMOTO HIRONORI (JP)
Application Number:
PCT/JP2013/063342
Publication Date:
November 20, 2014
Filing Date:
May 14, 2013
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
C08L63/00; H02K1/18
Domestic Patent References:
| WO2004007586A1 | 2004-01-22 |
Foreign References:
| JPH07268076A | 1995-10-17 | |||
| JPH10330457A | 1998-12-15 | |||
| JPH10330458A | 1998-12-15 | |||
| JP2001226465A | 2001-08-21 | |||
| JP2013087212A | 2013-05-13 | |||
| JP2000327747A | 2000-11-28 | |||
| JP2010018814A | 2010-01-28 |
Attorney, Agent or Firm:
POLAIRE I. P. C. (JP)
Polaire Intellectual Property Corporation (JP)
Polaire Intellectual Property Corporation (JP)
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