Title:
SYNTHETIC CORK STOPPER
Document Type and Number:
WIPO Patent Application WO/2007/049733
Kind Code:
A1
Abstract:
A synthetic cork stopper which has excellent gas-barrier properties and is satisfactory in sealing properties and suitability for uncorking. The synthetic cork stopper is obtained by foaming a composition composing (a) an isobutylene block copolymer comprising a polymer block comprising isobutylene as the main component and a polymer block formed from a cationically polymerizable monomer ingredient in which isobutylene is not the main component; and a blowing agent.
Inventors:
KIMURA KATSUHIKO (JP)
NAKABAYASHI HIRONARI (JP)
NAKABAYASHI HIRONARI (JP)
Application Number:
PCT/JP2006/321468
Publication Date:
May 03, 2007
Filing Date:
October 27, 2006
Export Citation:
Assignee:
KANEKA CORP (JP)
KIMURA KATSUHIKO (JP)
NAKABAYASHI HIRONARI (JP)
KIMURA KATSUHIKO (JP)
NAKABAYASHI HIRONARI (JP)
International Classes:
C08J9/06; B65D39/00; C08L53/00
Foreign References:
| JP2005105164A | 2005-04-21 | |||
| JP2001072094A | 2001-03-21 | |||
| JPS58134863A | 1983-08-11 | |||
| JP2005307049A | 2005-11-04 | |||
| JP2005307048A | 2005-11-04 |
Attorney, Agent or Firm:
KANEKA CORPORATION (Kita-ku Osaka-sh, Osaka 88, JP)
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