Title:
SELF-FUSIBLE INSULATED WIRE, COIL AND ELECTRICAL/ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/094789
Kind Code:
A1
Abstract:
A self-fusible insulated wire which has a thermoplastic resin layer on the outer periphery of a conductor having a rectangular cross section, while having a thermosetting fusion layer on the outer periphery of the thermoplastic resin layer, and wherein: the fusion layer is formed of a curable resin composition containing an epoxy group-containing phenoxy resin (a1), an epoxy resin (a2) having a softening point of from 50°C to 250°C (inclusive) and an imidazole-based curing agent; the ratio of the content of the resin (a1) to the content of the resin (a2) in the curable resin composition satisfies (a1):(a2) = 71:29-95:5 (mass ratio); the content of the imidazole-based curing agent relative to 100 parts by mass of the total content of the resin (a1) and the resin (a2) is less than 2 parts by mass; and the curable resin composition has a storage elastic modulus of 100-2,500 MPa at 85°C after curing. A coil which is composed of this insulated wire; and an electrical/electronic device.
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Inventors:
SAITO TAKESHI (JP)
FUKUDA HIDEO (JP)
FUKUDA HIDEO (JP)
Application Number:
PCT/JP2016/085599
Publication Date:
June 08, 2017
Filing Date:
November 30, 2016
Export Citation:
Assignee:
FURUKAWA ELECTRIC CO LTD (JP)
FURUKAWA MAGNET WIRE CO LTD (JP)
FURUKAWA MAGNET WIRE CO LTD (JP)
International Classes:
H01B7/02; H01F5/06; H01F27/28
Domestic Patent References:
| WO2015121999A1 | 2015-08-20 |
Foreign References:
| JP2002358836A | 2002-12-13 | |||
| JPH11297124A | 1999-10-29 |
Other References:
See also references of EP 3385960A4
Attorney, Agent or Firm:
IIDA, Toshizo et al. (JP)
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