ANTISTATIC POLYPROPYLENE FILM

PURPOSE:To provide a polypropylene film exhibiting improved resistance to blocking and antistatic property with the loss of transparency, prepared by adding antistatic agent, zeolite powder and magnesium hydroxide powder to polypropylene. CONSTITUTION:A polypropylene compsn. prepared by adding 0.05-...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHINO TADAO, IKEDA FUJIO, YOSHITAKE TEIICHI, HOSHINO TOSHIO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES GENERAL PROCESSES OF COMPOUNDING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a polypropylene film exhibiting improved resistance to blocking and antistatic property with the loss of transparency, prepared by adding antistatic agent, zeolite powder and magnesium hydroxide powder to polypropylene. CONSTITUTION:A polypropylene compsn. prepared by adding 0.05-3.0pts.wt. antistatic agent, 0.1-2.0pts.wt. zeolite powder and 0.01-1.0pt.wt. magnesium hydroxide powder to 100pts.wt. polypropylene is formed into film. The polypropylene includes crystalline homopolymer and crystalline copolymer with other alpha- olefins. When the amount of antistatic agent is less than 0.05pts.wt., good antistatic effect is not obtained, while when it exceeds 3.0pts.wt., it causes staining of a cooling roller in a film forming process and bleeding of a large amount of the agent on the film surface and therefore the both cases are not preferable.