国家/地区 中国（4）
IPC部 C（4）
IPC大类 C08（4）
IPC小类 C08G（4） C08K（4） C08L（2）
IPC C08G018/32（4）
发明人 CHEN G（2） FENG J（2） GAO C（2）
LI Y（2） LU G（2） XU X（2）
公开年 2014（4）
申请年 2014（3） 
专利权人 ZHEJIANG WEI.（2）

Preparing a gas separation film, comprises mixing graphene and N,N-dimethylformamide to obtain a mixture and then dispersing, and mixing mixture with 1,4-butanediol, 4,4-diphenylmethane diisocyanate and dibutyltin dilaurate to heat.

WU L, WANG T, ZHAO L

Preparation of graphene/aqueous polyurethane nanocomposite includes vacuum dehydrating polyether polyol, adding toluene diisocyanate, mixing, reacting, adding dihydroxy acid, reacting, cooling, diluting, emulsifying and drying.

XU X, LI Y, CHEN G, FENG J, GAO C, LU G

Preparing graphene oxide-aqueous polyurethane nanocomposite used in e.g. anticorrosion coatings involves obtaining prepolymer using e.g. polyether polyol, reacting mixture using e.g. dihydroxy acid, emulsifying and drying product.

XU X, LI Y, CHEN G, FENG J, GAO C, LU G

Graphene-containing sponge used for absorption of e.g. oil, contains specified amount of trimethylolpropane polyether, cellulose acetate, glycerine, 1,6-hexamethylene diisocyanate, wollastonite powder, graphene and dichloromethane.

JING Y