Title:
HEAT-SEALABLE PAPER AND PACKAGING PAPER
Document Type and Number:
WIPO Patent Application WO/2024/009592
Kind Code:
A1
Abstract:
The present invention provides a heat-sealable paper that can be manufactured with high productivity and that, after waste paper thereof is disintegrated in water, can be reused as is in a papermaking machine provided with an on-machine coating machine. The heat-sealable paper of the present invention has a paper base material and a heat-sealable component adhered to one or both sides of the paper base material. The heat-sealable component includes a thermoplastic resin, and the Oken-type air permeability of the surface to which the heat-sealable component is attached is more than 700 seconds and less than 100,000 seconds.
Inventors:
ABE KAZUYUKI (JP)
MATSUMOTO TATSUYA (JP)
MATSUMOTO TATSUYA (JP)
Application Number:
PCT/JP2023/016327
Publication Date:
January 11, 2024
Filing Date:
April 25, 2023
Export Citation:
Assignee:
OJI HOLDINGS CORP (JP)
International Classes:
D21H19/10; B32B29/00; B65D65/40
Domestic Patent References:
| WO2020152753A1 | 2020-07-30 | |||
| WO2019069963A1 | 2019-04-11 |
Foreign References:
| JPS57191057A | 1982-11-24 | |||
| JPS54128885U | 1979-09-07 | |||
| JP2018053400A | 2018-04-05 | |||
| JP2022060830A | 2022-04-15 | |||
| JP7092272B1 | 2022-06-28 | |||
| US20220112663A1 | 2022-04-14 | |||
| US20180327976A1 | 2018-11-15 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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