POLYPROPYLENE COMPOSITION

PROBLEM TO BE SOLVED: To obtain the subject composition excellent in a high frequency welding property, an antibacterial property and a UV light-shielding property and capable of exhibiting excellent light transmittance by adding ultrafine zeolite particles and ultrafine metal oxide particles as cry...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	IKEDA SHINICHI, KUSHIDA HIDEO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES PREPARATION OF CARBON BLACK THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain the subject composition excellent in a high frequency welding property, an antibacterial property and a UV light-shielding property and capable of exhibiting excellent light transmittance by adding ultrafine zeolite particles and ultrafine metal oxide particles as crystal nucleus-forming agents to polypropylene resin. SOLUTION: This polypropylene composition comprises (A) 0.1-5 pts.wt. of metal oxide particles (preferably particles, such as magnesium oxide particles or calcium oxide particles, having an average particle diameter of about 0.1-1.0μm), (B) 0.1-5 pts.wt. of ion-substituted zeolite (preferably zeolite whose ion-exchangeable ions are partially or wholly substituted by ammonium ions and sliver ions), and (C) 100 pts.wt. of polypropylene. The zeolite of the component B preferably has an average particle diameter of 0.1-1.0μm. Thereby, the polypropylene composition can be used as a substitute for vinyl chloride resin.