Title:
READILY TEARABLE CO-EXTRUDED MULTILAYER BARRIER FILM AND PACKAGING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2020/050258
Kind Code:
A1
Abstract:
This readily tearable co-extruded multilayer barrier film is a multilayer film comprising at least three layers and is characterized in that the layered body comprises: a barrier layer (I) having a polar resin (a) as the main component; an adhesive layer (II) and an adhesive layer (III) layered respectively on the sides that are adjacent to the barrier layer (I), each containing at least a cyclic olefin-based resin (c) and a modified polyolefin-based resin (b) which has been modified by an unsaturated carboxylic acid or a derivative thereof.
Inventors:
ITO KOTA (JP)
Application Number:
PCT/JP2019/034592
Publication Date:
March 12, 2020
Filing Date:
September 03, 2019
Export Citation:
Assignee:
JAPAN POLYETHYLENE CORP (JP)
International Classes:
B29C48/21; B32B27/32; B32B27/00; B65D65/40; B29L7/00; B29L9/00
Foreign References:
| JP2018069734A | 2018-05-10 | |||
| JP2018104583A | 2018-07-05 | |||
| JP2017197625A | 2017-11-02 | |||
| JP2018115320A | 2018-07-26 | |||
| JPH1148424A | 1999-02-23 | |||
| JPH11309825A | 1999-11-09 | |||
| JPS642616B2 | 1989-01-18 | |||
| JP2014159302A | 2014-09-04 | |||
| JP2005041093A | 2005-02-17 | |||
| JP2018104583A | 2018-07-05 | |||
| JP2017052250A | 2017-03-16 | |||
| JP2018069734A | 2018-05-10 | |||
| JP2018069735A | 2018-05-10 |
Other References:
See also references of EP 3848200A4
Attorney, Agent or Firm:
TSUKUNI & ASSOCIATES et al. (JP)
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