国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C09D（2）
IPC
发明人 WEI S（2）
公开年 2022（2）
申请年 2022（2）
专利权人

Preparing polyvinylidene fluoride piezoelectric film casting having ultra-thin thickness useful in the technical field of preparing piezoelectric film casting, comprises e.g. adding calcium titanate, performing surface hydrophilic treatment, stretching, cutting and sending to polarization process.

WEI S, LIU Y, ZHANG C, GUAN T

Environmentally-friendly heat radiation coating for e.g. LED display screen, comprises diisocyanate, silicon modified polyether diamine, 2,2-dimethylolpropionic acid, trimethylolpropane, amine chain extender, neutralizer, organic solvent, deionized water, graphene and radiation proof agent.

WEI S, ZHAO Z