Title:
RESIN COMPOSITION HAVING OXYGEN-ABSORBING ABILITY, LAYERED PRODUCT, AND PACKAGE
Document Type and Number:
WIPO Patent Application WO/2004/018564
Kind Code:
A1
Abstract:
A resin composition having the ability to absorb oxygen irrespective of package constitution; and a layered product having oxygen-barrier properties/oxygen-absorbing properties obtained by combining the resin composition with various barrier layers. The resin composition having the ability to absorb oxygen comprises: 100 parts by weight of a resin composition obtained by compounding 50 to 99 wt.% thermoplastic resin (A) with 1 to 50 wt.% oxygen-absorbing resin (B) comprising a copolymer of an aromatic vinyl compound (a) with a compound (b) having an ethylenically unsaturated bond; 0.001 to 2 parts by weight of an oxidation catalyst; and 0 to 2 parts by weight of a photosensitizer. In the composition, the copolymer preferably is a branched block copolymer or a linear block copolymer.
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Inventors:
SUZUTA MASAYOSHI (JP)
KUROSAWA AKIO (JP)
MORIMOTO ISAO (JP)
OBINATA NOE (JP)
OCHIAI SHINYA (JP)
YOSHINAGA MASANOBU (JP)
KUROSAWA AKIO (JP)
MORIMOTO ISAO (JP)
OBINATA NOE (JP)
OCHIAI SHINYA (JP)
YOSHINAGA MASANOBU (JP)
Application Number:
PCT/JP2003/010649
Publication Date:
March 04, 2004
Filing Date:
August 22, 2003
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
SUZUTA MASAYOSHI (JP)
KUROSAWA AKIO (JP)
MORIMOTO ISAO (JP)
OBINATA NOE (JP)
OCHIAI SHINYA (JP)
YOSHINAGA MASANOBU (JP)
SUZUTA MASAYOSHI (JP)
KUROSAWA AKIO (JP)
MORIMOTO ISAO (JP)
OBINATA NOE (JP)
OCHIAI SHINYA (JP)
YOSHINAGA MASANOBU (JP)
International Classes:
B32B27/08; C08K5/00; C08L101/00; (IPC1-7): C08L101/00; B32B27/18; B32B27/32; B65D65/40; B65D81/26; C08K5/00
Domestic Patent References:
| WO2002018496A1 | 2002-03-07 |
Foreign References:
| JP2002144501A | 2002-05-21 | |||
| JP2001029475A | 2001-02-06 |
Attorney, Agent or Firm:
Shiga, Masatake (2-3-1 Yaesu Chuo-ku, Tokyo, JP)
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