MULTI-LAYERED TUBULAR MATERIAL

PROBLEM TO BE SOLVED: To provide a multi-layered tubular material which can be produced at a low manufacture cost with short working hours, wherein the leak of smelling organic ingredients caused by a cross-linking reaction into water in the tube can effectively be prevented and also the infiltratio...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUZAKA KATSUO, WADA SHUYA, INOSAKA DAISUKE, SEN HIROYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a multi-layered tubular material which can be produced at a low manufacture cost with short working hours, wherein the leak of smelling organic ingredients caused by a cross-linking reaction into water in the tube can effectively be prevented and also the infiltration of organic ingredients from outside into the tube can be prevented. SOLUTION: In the multi-layered tubular material, a thermoplastic resin coating layer which does not permeate organic ingredients is formed on an inner surface of the body of the tubular material made of cross-linked polyethylene. The thermoplastic resin for forming the coating layer is preferably at least one selected from the group consisting of a polyolefin, a polyfluorinated vinylidene and a polyamide. Preferable coating layer comprises a thermoplastic resin containing an adsorbing agent. As the adsorbing agent, use is often made of zeolite, activated carbon and other porous material. COPYRIGHT: (C)2009,JPO&INPIT