Title:
SYNTHETIC CLOSURE FOR BOTTLE-LIKE CONTAINERS
Document Type and Number:
WIPO Patent Application WO2000026103
Kind Code:
A9
Abstract:
The present invention is directed to an easily removable synthetic closure suitable for removable insertion into a bottle or container. In one embodiment, the synthetic closure comprises a thermoplastic elastomer and a metallocene catalyzed ethylene- alpha -olefin copolymer. In another embodiment, the synthetic closure is made from a composition formulated from the ingredients comprising: a thermoplastic elastomer that comprises a styrenic block copolymer; an ethylene- alpha -olefin copolymer; a polypropylene polymer; and a blowing agent; and wherein the closure has a Shore A hardness ranging from 60 to 84. The synthetic closure may further comprise an extending oil and/or a processing additive. In alternative embodiments the compositions suitable for forming the synthetic closures of the present invention optionally include thermoplastic elastomer materials such as, for example, thermoplastic polyurethane elastomers (i.e., TPUs), polyolefin-based thermoplastic elastomers (i.e., TPOs), thermoplastic elastomers based on dynamically vulcanized elastomer-thermoplastic blends (i.e., TPVs), thermoplastic polyether ester elastomers, thermoplastic elastomers based on halogen-containing polyolefins, and thermoplastic elastomers based on polyamides.
Inventors:
ZECH JEROME M JR (US)
PLIMMER PETER N (US)
PLIMMER PETER N (US)
Application Number:
PCT/US1999/025862
Publication Date:
September 28, 2000
Filing Date:
November 02, 1999
Export Citation:
Assignee:
SUPREME CORQ INC (US)
ZECH JEROME M JR (US)
PLIMMER PETER N (US)
ZECH JEROME M JR (US)
PLIMMER PETER N (US)
International Classes:
B65D39/00; C08J9/00; (IPC1-7): B65D39/00; C08J9/00
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