国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B08（2） C01（2）
IPC小类 B08B（2）
IPC C01B032/194（2）
发明人
公开年 2022（2）
申请年
专利权人

Preparing modified nano graphene oxide stability-enhancing synergistic anti-freezing foam detergent, involves uniformly mixing nano composite modified graphene oxide, biomass surfactant, antifreeze, thickener and water, ultrasonically dispersing and stirring to prepare target product.

LIN X, LI Z, WANG Y, ZHU M, LIU D, XI H

Graphene film preparation device, has cleaning and drying box whose side surface is provided with negative pressure device, and adjustable drying equipment installed on side surface of processing channel of cleaning and drying box away from edge chamfered boss.

DENG Z, LI P, XIAO G, XIONG S