Title:
GAS BARRIER LAMINATE, GAS BARRIER COMPLEX INVOLVING SAID LAMINATE, AND PACKAGING MATERIAL COMPRISING SAID LAMINATE OR SAID COMPLEX
Document Type and Number:
WIPO Patent Application WO/2014/034627
Kind Code:
A1
Abstract:
A gas barrier laminate according to the present invention comprises a gas barrier layer, a first gas barrier control layer and a second gas barrier control layer which are arranged in this order. The content (M1) of a metal (D) and the like in a coating agent (P2) for forming the first gas barrier control layer and the content (M2) of a metal (F) and the like in a coating agent (P3) for forming the second gas barrier control layer fulfil the relational formulae: 0 ≤ M1 ≤ 5, 0 < M2 and 5 ≤ M1+M2 or the relational formulae: 5 ≤ M1 < 10 and M2 = 0. The thickness of the first gas barrier control layer is 0.5 to 3 μm. When the laminate is heated at 120˚C for 30 minutes, the oxygen gas permeation rate of the laminate under an environment having a temperature of 20˚C and a relative humidity of 90% is 4 to 25 ml/m2·d·MPa.
Inventors:
OKABE TAKASHI
MINATO KENJI
MINATO KENJI
Application Number:
PCT/JP2013/072794
Publication Date:
March 06, 2014
Filing Date:
August 27, 2013
Export Citation:
Assignee:
UNITIKA LTD (JP)
International Classes:
B32B27/30; B32B27/32; B65D65/40; B65D81/24
Domestic Patent References:
| WO2007034943A1 | 2007-03-29 | |||
| WO2007034940A1 | 2007-03-29 | |||
| WO2007034941A1 | 2007-03-29 |
Foreign References:
| JP2012016925A | 2012-01-26 | |||
| JP2000000931A | 2000-01-07 | |||
| JP2008248062A | 2008-10-16 | |||
| JP2004238604A | 2004-08-26 | |||
| JP2005270907A | 2005-10-06 | |||
| JPH07205379A | 1995-08-08 |
Attorney, Agent or Firm:
MORIMOTO INT'L PATENT OFFICE (JP)
Patent business corporation Morimoto international patent firm (JP)
Patent business corporation Morimoto international patent firm (JP)
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