Title:
INSULATED ELECTRIC WIRE
Document Type and Number:
WIPO Patent Application WO/2018/230705
Kind Code:
A1
Abstract:
An insulated electric wire 1 that comprises: a conductor 10 that has a linear shape; and an insulating film 20 that is formed to cover the outer peripheral side of the conductor. The insulating film 20 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/(A+B)]×100 (mole%) of the number of moles of repeating unit B to the total number of moles of repeating unit A and repeating unit B is greater than 55 mol%. The ratio M60/M10 of the insulating film 20 at 7% separation elongation to a first sample is at least 1.2, or the ratio M30/M10 of the insulating film 20 at 40% separation elongation to a second sample is at least 1.2.
Inventors:
MAEDA SHUHEI (JP)
YAMAUCHI MASAAKI (JP)
UMEMOTO TOKIKO (JP)
TAMURA YASUSHI (JP)
YAMAUCHI MASAAKI (JP)
UMEMOTO TOKIKO (JP)
TAMURA YASUSHI (JP)
Application Number:
PCT/JP2018/022921
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
Foreign References:
| JP2014082083A | 2014-05-08 | |||
| JPS59164328A | 1984-09-17 |
Attorney, Agent or Firm:
KITANO, Shuhei et al. (JP)
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