国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 ZHU H（2）
公开年 2023（2）
申请年 2023（2）
专利权人

Positive temperature coefficient (PTC) effect electric heating film for electric floor heating system, has electric heating layer covered on side or two sides of film base material, and circulating relay set in conductive circuit.

YANG Z, CHEN G, LI G, LEI W, CHEN L, MENG Q, WANG Q, ZHU H, LIANG Y

High-barrier packaging material used for packaging articles such as medicine, comprises aluminum foil, polyethylene (PE) adhesive layer, barrier layer, PE adhesive layer, substrate and PE film, where barrier layer comprises ethylene-vinyl alcohol copolymer, and acetylated chitosan nanofiber.

ZHU H, JIN W, GAO Y, TAO J, ZHANG D, LIN W