国家/地区 中国（2）
IPC部 B（3） C（3）
IPC大类 B05（3）
IPC小类 B05D（3）
IPC C08J007/046（3）
发明人
公开年 2021（2）
申请年
专利权人

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

Aqueous composition used to form coat on substrate and antimicrobial coat, comprises cationic polyelectrolyte, anionic polyelectrolyte, nanostructures and crosslinking agent.

GUIN T C

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