国家/地区 中国（2）
IPC部 B（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09D005/08（2）
发明人 CHEN D（2）
公开年 2022（2）
申请年 2022（2）
专利权人

Preparing high-strength aluminum alloy die casting used for automobile engine bracket, involves putting aluminum alloy matrix into acetone, ultrasonically cleaning aluminum alloy matrix, and ultrasonically cleaning aluminum alloy matrix through absolute ethyl alcohol and deionized water in sequence.

WU G, CHEN D, ZHANG J, LI J, WANG X, LI D

Preparation of composite graphene microcapsules used in steel coating, involves preparing prepolymer using urea and formaldehyde, preparing composite emulsion using core material and corrosion inhibitor, mixing e.g. core material, curing agent and reaction promoter in emulsion.

ZHANG X, CHEN D, GUO D, YANG L, XIAO P, LIU J