Bottle cap made from a material comprising polypropylene, particulate calcium carbonate and additives

An injection molded polymeric household bottle cap made of a polypropylene composition comprising: particulate CaCO3; additive; and polypropylene; wherein the polypropylene composition in its solid form and with average wall thickness T has a flexural modulus, measured according to ASTM D790-07, bei...

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Bibliographische Detailangaben
Hauptverfasser:	MEADOWS GRANT ROBERT, DALISAY HUBERTO MIEL, HUESMAN JOE
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING 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
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Beschreibung
Zusammenfassung:	An injection molded polymeric household bottle cap made of a polypropylene composition comprising: particulate CaCO3; additive; and polypropylene; wherein the polypropylene composition in its solid form and with average wall thickness T has a flexural modulus, measured according to ASTM D790-07, being at least 95% of the flexural modulus measured on a reference polypropylene composition being substantially free of CaCO3 and having average wall thickness of at least T+10%.