High-density polyethylene outer protective tube production process

The invention discloses a high-density polyethylene outer protective tube production process. The process the steps that (1) a plastic extruder is used for extruding high-density polyethylene outer protective tubes, and the extrusion speed is controlled to be 5-30 m/h; (2) the extruded polyethylene...

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1. Verfasser:	HU XIUXIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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creator	HU XIUXIAN
description	The invention discloses a high-density polyethylene outer protective tube production process. The process the steps that (1) a plastic extruder is used for extruding high-density polyethylene outer protective tubes, and the extrusion speed is controlled to be 5-30 m/h; (2) the extruded polyethylene outer protective tubes are fed into a radiant heating device for moving heating, and the heating temperature is 2000-4000 DEG C; (3) the heated high-density polyethylene outer protective tubes are conveyed to a high-frequency high-voltage corona discharge area through a conveying mechanism and are subjected to corona discharge treatment under 20-30 kV DC high-frequency high voltage; and (4) after completion of corona treatment, the polyethylene outer protective tubes are rapidly cooled to the indoor temperature. By means of the process, the inner surfaces of outer sheaths can be roughened, and the adhesion ability of the inner surfaces of the outer sheaths is enhanced; accordingly, the adhesion property of the oute
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The process the steps that (1) a plastic extruder is used for extruding high-density polyethylene outer protective tubes, and the extrusion speed is controlled to be 5-30 m/h; (2) the extruded polyethylene outer protective tubes are fed into a radiant heating device for moving heating, and the heating temperature is 2000-4000 DEG C; (3) the heated high-density polyethylene outer protective tubes are conveyed to a high-frequency high-voltage corona discharge area through a conveying mechanism and are subjected to corona discharge treatment under 20-30 kV DC high-frequency high voltage; and (4) after completion of corona treatment, the polyethylene outer protective tubes are rapidly cooled to the indoor temperature. 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The process the steps that (1) a plastic extruder is used for extruding high-density polyethylene outer protective tubes, and the extrusion speed is controlled to be 5-30 m/h; (2) the extruded polyethylene outer protective tubes are fed into a radiant heating device for moving heating, and the heating temperature is 2000-4000 DEG C; (3) the heated high-density polyethylene outer protective tubes are conveyed to a high-frequency high-voltage corona discharge area through a conveying mechanism and are subjected to corona discharge treatment under 20-30 kV DC high-frequency high voltage; and (4) after completion of corona treatment, the polyethylene outer protective tubes are rapidly cooled to the indoor temperature. By means of the process, the inner surfaces of outer sheaths can be roughened, and the adhesion ability of the inner surfaces of the outer sheaths is enhanced; accordingly, the adhesion property of the oute</abstract><oa>free_for_read</oa></addata></record>
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language	chi ; eng
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subjects	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title	High-density polyethylene outer protective tube production process
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