Title:
INSULATED ELECTRIC WIRE
Document Type and Number:
WIPO Patent Application WO/2018/230706
Kind Code:
A1
Abstract:
An insulated electric wire 11 that comprises: a linear conductor 12; and an insulating film 14 that surrounds an outer-peripheral-side surface 13 of the conductor 12. The insulating film 14 includes a polyimide layer that comprises a polyimide that has a polymer structure that includes a PMDA-ODA-type repeating unit A and a BPDA-ODA-type repeating unit B. The mole ratio [B×100/(A+B)] (mole%), as a percentage, of the number of moles of repeating unit B to the total number of moles of repeating unit A and repeating unit B is 25–95 mole%. The polyimide layer has a plurality of pores 15. The pores 15 occupy 5–80 volume% of the polyimide layer.
Inventors:
MAEDA SHUHEI (JP)
YAMAUCHI MASAAKI (JP)
OTA SHINYA (JP)
SAITO HIDEAKI (JP)
TAMURA YASUSHI (JP)
YOSHIDA KENGO (JP)
HOMMA SHIGENORI (JP)
YAMAUCHI MASAAKI (JP)
OTA SHINYA (JP)
SAITO HIDEAKI (JP)
TAMURA YASUSHI (JP)
YOSHIDA KENGO (JP)
HOMMA SHIGENORI (JP)
Application Number:
PCT/JP2018/022922
Publication Date:
December 20, 2018
Filing Date:
June 15, 2018
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO ELECTRIC WINTEC INC (JP)
SUMITOMO ELECTRIC WINTEC INC (JP)
International Classes:
H01B7/02; C08G73/10; C09D179/08; H01B3/30
Domestic Patent References:
| WO2017073551A1 | 2017-05-04 |
Foreign References:
| JP2014082083A | 2014-05-08 | |||
| JP2017119039A | 2017-07-06 | |||
| JP2017119040A | 2017-07-06 | |||
| JP2013253124A | 2013-12-19 |
Other References:
See also references of EP 3640955A4
Attorney, Agent or Firm:
KITANO, Shuhei et al. (JP)
Download PDF: