国家/地区 中国（4）
IPC部 B（4）
IPC大类 C08（4）
IPC小类 C08J（4）
IPC C08J007/046（4）
发明人
公开年 2021（2） 2022（2）
申请年 2020（2）  2022（2） 
专利权人

Modified polyethylene wearable composite pipe for water supply and drainage of municipal and building, has glass fiber line that is provided with multiple layers on outer layer pipe structure, inner tube body and outer layer pipe body fixedly connected with the inner layer pipe body.

LIN J

Preparing polyethylene terephthalate (PETG) sheet surface nano-hardened coating comprises e.g. carrying melt extrusion on PETG and polycarbonate, injection molding to obtain PETG composite substrate, subjecting it to surface treatment to obtain pretreated substrate, and spraying slurry on surface.

KONG A, WU Y, YE K, ZHOU X, KONG X, YE W

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

Reinforced wear-resistant polyethylene water supply pipe useful for trenchless construction, comprises pipe body including a pressure-resistant layer and compatible layer and compatibility layer arranged inside the pressure-resistant layer.

LIU J, TIAN X, LIU P, JIN R, ZHOU W, ZHANG W