VINYL CHLORIDE RESIN COMPOSITION FOR REGENERATION PIPE, AND REGENERATION PIPE

To provide a regeneration pipe excellent in economical efficiency, and extrusion moldability and expansion workability.SOLUTION: A composition is composed of a mixture of a first polyvinyl chloride resin having an average degree of polymerization of 1,000-1,100 and a second polyvinyl chloride resin...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAMURA TOMONORI, WATANABE RIKUO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PIPES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	To provide a regeneration pipe excellent in economical efficiency, and extrusion moldability and expansion workability.SOLUTION: A composition is composed of a mixture of a first polyvinyl chloride resin having an average degree of polymerization of 1,000-1,100 and a second polyvinyl chloride resin having an average degree of polymerization of 750-850, or contains a main resin component composed of the first polyvinyl chloride resin and a stabilizer other than a lead-based stabilizer, in which 3-25 pts.mass of one or more modifiers selected form the group consisting of an MMA-based modifier, an MBS-based modifier and a CPE-based modifier are blended with respect to 100 pts.wt. of the main resin component.SELECTED DRAWING: None 【課題】経済性に優れ、かつ押出成形性および膨張施工性に優れた更生管を実現する。【解決手段】本発明の組成物は、平均重合度１０００〜１１００の第１のポリ塩化ビニル樹脂と、平均重合度７５０〜８５０の第２のポリ塩化ビニル樹脂との混合物からなるか、あるいは前記第１のポリ塩化ビニル樹脂からなる主樹脂成分と、鉛系以外の安定剤と、を含みＭＭＡ系の改質剤、ＭＢＳ系の改質剤、およびＣＰＥ系の改質剤からなる群より選ばれる１以上の改質剤が、前記主樹脂成分１００重量部に対して３〜２５重量部配合されている。【選択図】なし