国家/地区 中国（2）
IPC部 B（2）
IPC大类 B05（2）
IPC小类 B05D（2）
IPC B05D003/02（2）
发明人 ZHANG H（2）
公开年 2021（2）
申请年 2020（2） 
专利权人

Preparation of graphene-modified polyurethane acrylate coating used as raw material for preparing e.g. furniture, involves ball milling biomass graphene, adding into freeze dryer, pre-freezing and performing vacuum freeze-drying treatment.

WU Y, ZHANG H, ZHAN X, XIE X, XU W, WU Z, FENG Y, SHEN Y

Method for coating natural gas pipelines, involves coating layer of corrosion-resistant paint on outer wall of pipeline, cold pressing pipeline, inspecting coated pipelines and storing and installing inspected pipelines.

ZHANG H