US 12,473,463 B2
Protective film, batch preparation method therefor and use thereof
Jinkai Hao, Liaoning (CN); Hongjie Zhang, Liaoning (CN); and Zhigang Shao, Liaoning (CN)
Assigned to DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES, Liaoning (CN)
Appl. No. 18/256,492
Filed by DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES, Liaoning (CN)
PCT Filed Sep. 22, 2021, PCT No. PCT/CN2021/119573
§ 371(c)(1), (2) Date Jun. 8, 2023,
PCT Pub. No. WO2022/127252, PCT Pub. Date Jun. 23, 2022.
Claims priority of application No. 202011476841.1 (CN), filed on Dec. 14, 2020.
Prior Publication US 2024/0101869 A1, Mar. 28, 2024
Int. Cl. C09D 183/04 (2006.01); C09J 7/25 (2018.01); C09J 7/38 (2018.01); C09J 11/08 (2006.01); C09J 183/06 (2006.01); H01M 4/88 (2006.01)
CPC C09J 7/255 (2018.01) [C09J 7/38 (2018.01); C09J 11/08 (2013.01); C09J 183/06 (2013.01); H01M 4/881 (2013.01); H01M 4/8825 (2013.01); C09J 2203/33 (2013.01); C09J 2467/006 (2013.01); C09J 2483/00 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A protective film comprising a release film, a substrate, and a viscous antistatic silica gel layer disposed between the release film and the substrate, wherein the viscous antistatic silica gel layer has a first silica gel layer attached to the substrate and a second silica gel layer attached to the release film, wherein an adhesive force of the first silica gel layer is x and 10≤x≤50 gf/25 mm, and an adhesive force of the second silica gel layer is y and 0<y≤10 gf/25 mm.