国家/地区 中国（5）
IPC部 C（5）
IPC大类 C07（5） C09（4）
IPC小类 C07D（5）
IPC C09K005/06（2）
发明人 FENG W（4） FENG Y（4） YAN Q（4）
LI Y（3） LIU H（2）
公开年 2020（3）
申请年 2018（3） 
专利权人 UNIV TIANJIN（5）

Preparing a catalyst useful for producing 3,3',4,4'-biphenyltetracarboxylic dianhydride, comprises dispersing graphene oxide, reducing agent and palladium salt in water, heating, washing and drying.

DU J, WU J, HE H, FAN X, ZHANG G, ZHANG F, LI Y

New azobenzene-graphene composite material useful in heterocyclic azobenzene molecules and color-changing encryption and confidentiality and information storage display.

FENG W, LIU H, YAN Q, FENG Y, LI Y

Double-grafted heterocyclic azobenzene graphene energy storage material comprises two azobenzene molecules, 2-aminothiazole azobenzene, 3,5'-di hydroxylaminoazobenzene is grafted onto surface of graphene in form of covalent bonds.

FENG W, LIU H, YAN Q, FENG Y, LI Y

Energy material having heat preservation and heating properties, prepared by blending azobenzene/graphene composite material with phase energy storage function and phase change material.

FENG W, YAN Q, FENG Y

Heterocyclic azobenzene/graphene thermal storage material is obtained by covalently grafting heterocyclic azobenzene compound to surface of graphene.

FENG W, YAN Q, FENG Y