国家/地区 中国（2）
IPC部 B（2）
IPC大类 B05（2）
IPC小类 B05D（2）
IPC B05D007/14（2）
发明人
公开年 2022（2）
申请年 2022（2）
专利权人

Multifunctional composite coating of steel structure surface comprises multi-element permeation substrate (zinc powder and aluminum powder), graphene anti-corrosion film (powdered graphene oxide and pyrrole) and fireproof outer layer (flame retardant) provided from inside to outside.

ZHANG H

Automobile top cover aluminum alloy shell, comprises aluminum alloy substrate whose surface orderly provided with a transition layer, an intermediate layer and a corrosion resistant coating, where the middle layer formed by stacking two layers of modified silicon dioxide.

ZHANG L