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silane of cross-linked polyethylene consisting of by covering electric wire manufacturing method and silane cross-linked polyethylene was to become of cable sheathing production method
silane of cross-linked polyethylene consisting of by covering electric wire manufacturing method and silane cross-linked polyethylene was to become of cable sheathing production method
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机译:通过覆盖电线的制造方法和由硅烷交联的聚乙烯组成的交联聚乙烯的硅烷成为电缆护套的制造方法
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摘要
PROBLEM TO BE SOLVED: To provide an electric wire/cable manufacturing method capable of reducing a time of a crosslinking operation, and restraining manufacturing costs from increasing due to capital investment as much as possible, the electric wire/cable having a high degree of crosslinking and a smooth appearance after extrusion molding.;SOLUTION: A conductor 10 is crosslinked with polyethylene graft-copolymerized with a silane compound by a free radical generation agent on the conductor to obtain silane crosslinked polyethylene. The polyethylene graft-copolymerized with the silane compound by the free radical generation agent has a melt index of 5 g/10 minutes or less under test conditions of 190°C and 21.18 N. The silane compound in an amount of 1.5 weight portion or more is contained in 100 weight portion of polyethylene. The silane crosslinked polyethylene in which a ratio of an addition amount of the silane compound to an addition amount of the free radical generation agent is 35 or more is extrusion-coated to form an insulation coating layer, and the extrusion-coated insulation coating layer is crosslinked on the conductor through a heating pipe 12 supplied with overheated steam.;COPYRIGHT: (C)2013,JPO&INPIT
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