US 12,187,866 B2
Cellulose composite film, and its preparation method
Junjie Gong, Shenzhen (CN); and Mengyao Li, Shenzhen (CN)
Assigned to ShenZhen YUTO Packaging Technology Co., Ltd., Shenzhen (CN)
Filed by ShenZhen YUTO Packaging Technology Co., Ltd., Shenzhen (CN)
Filed on Jan. 12, 2023, as Appl. No. 18/096,541.
Claims priority of application No. 202210838590.X (CN), filed on Jul. 15, 2022.
Prior Publication US 2024/0018320 A1, Jan. 18, 2024
Int. Cl. C08J 7/043 (2020.01); C08K 5/101 (2006.01); C09D 127/08 (2006.01); C09D 175/04 (2006.01)
CPC C08J 7/043 (2020.01) [C08K 5/101 (2013.01); C09D 127/08 (2013.01); C09D 175/04 (2013.01); C08J 2301/02 (2013.01); C08J 2327/08 (2013.01); C08J 2375/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cellulose composite film, comprising:
a cellulose film;
a primer layer disposed on one side of the cellulose film;
a barrier layer disposed on one side of the primer layer;
wherein the cellulose film comprises a regenerated cellulose film, the primer layer comprises polyurethane film-forming resin, and the barrier layer comprises a polyvinylidene chloride (PVDC) coating with an antifogging agent.