BIODEGRADABLE SECURITY SEAL FILM, LID MEMBER, AND PACKAGING MEMBER

Title:

BIODEGRADABLE SECURITY SEAL FILM, LID MEMBER, AND PACKAGING MEMBER

Document Type and Number:

WIPO Patent Application WO/2023/248809

Kind Code:

A1

Abstract:

The present invention provides: a security seal film characterized by having a heat seal layer (A) and a resin layer (B) that is directly laminated on the heat seal layer (A), the heat seal layer (A) containing a polylactic acid resin (a1) and a polybutylene succinate resin (a2), and the resin layer (B) containing a polybutylene succinate resin (b2) as a main resin component; and a lid member and a packaging member that include the security seal film.

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Inventors:

KIMURA NANAKO (JP)
KOSEKI YUKO (JP)
MORIYA TAKASHI (JP)

Application Number:

PCT/JP2023/021297

Publication Date:

December 28, 2023

Filing Date:

June 08, 2023

Export Citation:

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Assignee:

DAINIPPON INK & CHEMICALS (JP)

International Classes:

B32B27/36; B32B27/00; B65D65/40

Domestic Patent References:

WO2021002208A1	2021-01-07
WO2021002206A1	2021-01-07
WO2021014966A1	2021-01-28

Foreign References:

JP2008265118A	2008-11-06
JP2018154031A	2018-10-04

Attorney, Agent or Firm:

ONO Takayuki (JP)

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