Title:
HEAT SEALING PAPER
Document Type and Number:
WIPO Patent Application WO/2024/043201
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a heat sealing paper that contains PHBH and has superior coating layer strength. As a solution to the problem, provided is a heat sealing paper which has, on at least one surface of a paper base material, a heat-sealable coating layer containing 7-35 parts by weight of polyvinyl alcohol (PVA) with respect to 100 parts by weight of poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBH), and in which the degree of saponification of the PVA is 70-95 mol%.
Inventors:
KIRA NOZOMI (JP)
YOSHIDA YOSHIO (JP)
TSUNODA HIROSUKE (JP)
FUJITA MASAYUKI (JP)
KUSAKABE ITSUKI (JP)
OKADA YASUNORI (JP)
YOSHIDA YOSHIO (JP)
TSUNODA HIROSUKE (JP)
FUJITA MASAYUKI (JP)
KUSAKABE ITSUKI (JP)
OKADA YASUNORI (JP)
Application Number:
PCT/JP2023/029916
Publication Date:
February 29, 2024
Filing Date:
August 21, 2023
Export Citation:
Assignee:
JUJO PAPER CO LTD (JP)
KANEKA CORP (JP)
KANEKA CORP (JP)
International Classes:
D21H19/28; B32B29/00; D21H19/20
Domestic Patent References:
| WO2022003195A1 | 2022-01-06 | |||
| WO2021256381A1 | 2021-12-23 | |||
| WO2022097708A1 | 2022-05-12 |
Foreign References:
| JP2003128888A | 2003-05-08 | |||
| JPH0657691A | 1994-03-01 | |||
| JP2019210593A | 2019-12-12 | |||
| JP2001011294A | 2001-01-16 |
Attorney, Agent or Firm:
OCHANOMIZU INTERNATIONAL PATENT OFFICE (JP)
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