To provide a cross-linked insulated wire which can reuse a cross-linked polyolefin (system) waste material as an insulating coating material of an insulated wire and can satisfy electric characteristics and mechanical characteristics even though a recycled material of the waste material is used at a higher rate than a conventional material.
In a manufacturing method for a cross-linked insulated wire having a coating layer on a conductor, a gel fraction of the recycled material is 10% or below by recycling the cross-linked polyolefin (-based) waste material, a resin composition is obtained by mixing the recycled material, a polyolefin (-based) resin as a non-recycled material, and an organic peroxide so as to make the recycled material set at more than 50 mass% to 75 mass% against the total amount of the recycled material and the non-recycled material, an insulating coating layer is formed by the resin composition, and then, the resin composition for forming the insulating coating layer is cross-linked by heating treatment.
COPYRIGHT: (C)2011,JPO&INPIT
Atsushi Takahashi
Yasuhiro Tominaga
Toshiya Tanaka
Fujikura Ltd.
THE FURUKAW ELECTRIC CO.,LTD.
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