国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B032/192（2） C02F003/34（2） C08J009/36（2）
C08J009/40（2） C08L075/04（2）
发明人 WANG Y（3）
公开年 2021（3）
申请年 2021（3） 
专利权人 UNIV PEKING（2）

Preparing graphene-coated cobalt-based Prussian blue nanocrystalline composite material comprises adding ligand solution to graphene oxide solution, stirring, adding metal salt solution, centrifuging mixture, freeze-drying solid, calcining.

WANG Y, LI F, XU B

Improving surface biocompatibility of waste polyurethane carrier comprises e.g. preparing two intermediate products, carboxylated graphene and carboxylated graphene dispersion, soaking in second intermediate product and reacting.

JI G, WANG Y

Preparing ethylenediamine grafted graphene oxide modified polyurethane carrier useful e.g. in sewage treatment, comprises carrying out first post-treatment of polyurethane carrier, oxidizing graphite powder and performing second reaction.

JI G, WANG Y