Title:
OPAQUE FILM AND OPAQUE LAMINATE USING SAME
Document Type and Number:
WIPO Patent Application WO/2010/084846
Kind Code:
A1
Abstract:
An opaque film which comprises an opacifying agent and a polyamide resin and which exhibits a degree of opaqueness of 0.3 or higher. It is preferable that the opacifying agent is a white opacifying agent having a whiteness degree of 65 to 100%. An example of the opaque film is a film which comprises 5 to 40 mass% of titanium oxide and 60 to 95 mass% of a polyamide resin. The opaque laminate according to the invention comprises at least three kinds of layers, namely, a barrier resin layer, a polyamide resin layer consisting of the opaque film, and a sealant layer. The opaque laminate exhibits a degree of opaqueness of 0.3 or higher and an oxygen permeability of 100 ml/(m2∙day∙MPa) or below.
Inventors:
MAEHARA ATSUSHI
MATSUI NORIKAZU
MINATO KENJI
MATSUI NORIKAZU
MINATO KENJI
Application Number:
PCT/JP2010/050517
Publication Date:
July 29, 2010
Filing Date:
January 19, 2010
Export Citation:
Assignee:
UNITIKA LTD (JP)
MAEHARA ATSUSHI
MATSUI NORIKAZU
MINATO KENJI
MAEHARA ATSUSHI
MATSUI NORIKAZU
MINATO KENJI
International Classes:
C08J5/18; B32B27/20; B32B27/34; B65D65/40; C08L77/00
Foreign References:
| JP2002129041A | 2002-05-09 | |||
| JP2001323175A | 2001-11-20 | |||
| JP2007245492A | 2007-09-27 | |||
| JPH06218875A | 1994-08-09 | |||
| JP2003104455A | 2003-04-09 | |||
| JP2006130717A | 2006-05-25 | |||
| JPH09327858A | 1997-12-22 | |||
| JPH10315319A | 1998-12-02 | |||
| JPH10235730A | 1998-09-08 |
Attorney, Agent or Firm:
HARADA, YOHEI (JP)
Yohei Harada (JP)
Yohei Harada (JP)
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