PIPELINE MEMBER FOR ULTRAPURE WATER AND POLYETHYLENE-BASED RESIN COMPOSITION FOR PIPELINE MEMBER FOR ULTRAPURE WATER

PIPELINE MEMBER FOR ULTRAPURE WATER AND POLYETHYLENE-BASED RESIN COMPOSITION FOR PIPELINE MEMBER FOR ULTRAPURE WATER

A pipe (10) includes a polyethylene-based resin layer (21) containing a polyethylene-based resin composition as a major component. The polyethylene-based resin layer (21) forms a pipeline member inner surface (10a). The polyethylene-based resin composition has a calcium concentration of 10 ppm or mo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YOSHIKIYO, Tetsuya, YOSHIDA, Hirotsugu, HIRAMOTO, Tomoki, YAMADA, Tomoki, TAKANO, Hirotaka
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
BLASTING
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
COMPOSITIONS BASED THEREON
CORRECTING FLUIDS
DYES
ENGINEERING ELEMENTS AND UNITS
FILLING PASTES
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
INKS
JOINTS OR FITTINGS FOR PIPES
LIGHTING
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
MEANS FOR THERMAL INSULATION IN GENERAL
MECHANICAL ENGINEERING
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
PIPES
POLISHES
SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING
THEIR PREPARATION OR CHEMICAL WORKING-UP
THERMAL INSULATION IN GENERAL
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
USE OF MATERIALS THEREFOR
WEAPONS
WOODSTAINS
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Beschreibung
Zusammenfassung:A pipe (10) includes a polyethylene-based resin layer (21) containing a polyethylene-based resin composition as a major component. The polyethylene-based resin layer (21) forms a pipeline member inner surface (10a). The polyethylene-based resin composition has a calcium concentration of 10 ppm or more and 60 ppm or less.