Title:
MULTILAYER FILM, PACKAGING MATERIAL AND PACKAGE
Document Type and Number:
WIPO Patent Application WO/2021/251195
Kind Code:
A1
Abstract:
This multilayer film comprises a first outer layer containing 70 to 30% by mass of a propylene homopolymer (A) and 30 to 70% by mass of a propylene-ethylene random copolymer (B) having an ethylene content of 5% by mass or lower, an inner layer containing a propylene-ethylene block copolymer (C) and an ethylene-propylene copolymer elastomer (D), and a second outer layer containing 70 to 30% by mass of the propylene homopolymer (A) and 30 to 70% by mass of the propylene-ethylene random copolymer (B) having an ethylene content of 5% by mass or lower, in this order.
Inventors:
HAMADA DAISUKE (JP)
TAKENOUCHI MOTOKUNI (JP)
OOKI TOMOKO (JP)
NISHIHARA TSUGUKI (JP)
HORIUCHI MASAFUMI (JP)
TAKENOUCHI MOTOKUNI (JP)
OOKI TOMOKO (JP)
NISHIHARA TSUGUKI (JP)
HORIUCHI MASAFUMI (JP)
Application Number:
PCT/JP2021/020696
Publication Date:
December 16, 2021
Filing Date:
May 31, 2021
Export Citation:
Assignee:
TOPPAN INC (JP)
International Classes:
B32B27/32; B65D65/40
Foreign References:
| JPH09262948A | 1997-10-07 | |||
| JPS623950A | 1987-01-09 | |||
| JP2009143118A | 2009-07-02 | |||
| JP2016091939A | 2016-05-23 | |||
| JP2015232945A | 2015-12-24 | |||
| JP2015050075A | 2015-03-16 | |||
| JPH08174777A | 1996-07-09 | |||
| JP2001088254A | 2001-04-03 | |||
| JP2017132186A | 2017-08-03 | |||
| JP2017105174A | 2017-06-15 |
Other References:
"Polymer Analysis Handbook", 10 May 2013
See also references of EP 4116097A4
See also references of EP 4116097A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Download PDF:
Previous Patent: ELECTRONIC DEVICE
Next Patent: ADHESIVE INTERLINING AND FABRIC FOR CLOTHING PROVIDED WITH SAME
Next Patent: ADHESIVE INTERLINING AND FABRIC FOR CLOTHING PROVIDED WITH SAME