国家/地区 中国（2）
IPC部 B（3） C（3）
IPC大类 B05（3） C08（3）
IPC小类 B05D（3）
IPC C08K003/04（3）
发明人
公开年 2023（3）
申请年 2022（3）
专利权人

Hydrophobic agent composition useful for long-life hydrogen fuel cell gas diffusion layer, comprises polytetrafluoroethylene micropowder, polypropylene powder, nano-graphene powder and polyvinyl alcohol as granulation binder.

LIN H, WANG J, ZHOU Z

Manufacture of guardrail used for inside or outside of main line rail, involves pre-treating guardrail, painting pre-treated surface of guardrail with powder coating containing weather resistant polyester resin, curing agent and curing accelerator, heat treating and drying painted guide rail.

JANG S W

Film strain sensor having wide test range and high sensitivity comprises strain film in middle layer and protective films on both sides, and prepared by e.g. adding N,N-dimethylformamide and deionized water, adding expanded graphite, placing in polytetrafluoroethylene tank and adding silver nitrate.

SHAN L, FU H