Title:
STRETCHED FILM
Document Type and Number:
WIPO Patent Application WO/2023/195382
Kind Code:
A1
Abstract:
[Problem] To provide a polyethylene film having a good balance of excellent rigidity, low heat shrinkability, and longitudinal tear strength. [Solution] This stretched film has, in the following order: a layer (a1) which contains, as a main component, an ethylene-based polymer (A) having an MFR (190ºC and load of 2.16 kg) of 0.01-10 g/10 min and a density of at least 942 kg/m3; a layer (b) which contains, as a main component, an ethylene-based polymer (B) having an MFR (190ºC and load of 2.16 kg) of 0.01-10 g/10 min and a density of at most 924 kg/m3; and a layer (a2) which contains, as a main component, an ethylene-based polymer (A) having an MFR (190ºC and load of 2.16 kg) of 0.01-10 g/10 min and a density of at least 942 kg/m3.
Inventors:
SEKIYA KEIKO (JP)
OGUNI MICHIHIKO (JP)
OGUNI MICHIHIKO (JP)
Application Number:
PCT/JP2023/012449
Publication Date:
October 12, 2023
Filing Date:
March 28, 2023
Export Citation:
Assignee:
PRIME POLYMER CO LTD (JP)
International Classes:
B29C55/02; C08J5/18; B29K23/00; B29L9/00
Foreign References:
| JP2008529845A | 2008-08-07 | |||
| JP2022023460A | 2022-02-08 | |||
| JP2022023461A | 2022-02-08 | |||
| JP2015074197A | 2015-04-20 |
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
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