国家/地区 中国（4）
IPC部 C（4）
IPC大类 C08（4）
IPC小类 C08J（4）
IPC C08J005/18（4）
发明人 LIU Y（4）
公开年
申请年 2020（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

Coated polyamide film used for aluminum-plastic composite film flexible package, comprises coating layer that is formed by coating surface of polyamide substrate layer with acrylic coating liquid including silicone-modified acrylic resin, crosslinked polymethylmethacrylate powder and water.

LIU Y

Preparing graphene heat dissipation film used for flooring, by adding graphene powder to polyurethane emulsion, adding surfactant to obtain emulsion, coating emulsion on modified polyethylene terephthalate film, and heat-rolling.

LEI X, ZHOU Y, LIU Y

Preparation of graphene modified polyimide composite film used in flexible circuit board, involves coating graphene-modified polyimide composite layer on surface of polyimide film.

MIN Y, WENG L, LIU Y, QI F, HE T