国家/地区 中国（8）
IPC部 C（8）
IPC大类 C08（8）
IPC小类 C08J（8） C08K（8） C08L（8）
IPC C08J005/18（8）
发明人 REN P（7） REN F（4）
公开年 2018（2） 2020（2）
申请年 2015（2）  2018（2） 
专利权人 UNIV XIAN TECHNOLOGY（8）

Preparing porous composite film comprises polyvinylidene fluoride to N,N-dimethylformamide, dispersing carbon nanotubes and graphene nanosheets, adding to polyvinylidene fluoride solution, immersing film in water bath, sealing and drying.

REN F, FU B, REN P

Preparing graphene-ferroferric oxide/polyvinylidene fluoride composite film comprises e.g. dissolving polyvinylidene fluoride particles in N,N-dimethylformamide, and reacting in water bath, and dispersing graphene in N,N-dimethylformamide.

REN P, ZONG Z, GUO Z, REN F

Preparing functionalized graphene oxide/polylactic acid composite gas barrier film comprises adding functionalized graphene oxide into chloroform, ultrasonically stirring, vacuum-filtering, vacuum drying, pulverizing and passing.

REN F, SONG D, REN P

Preparation of graphene oxide-cellulose nanofiber composite film used for e.g. packaging food, involves dispersing aqueous graphene oxide solution in cellulose nanofiber suspension, coating on glass mold, gelatinizing and vacuum drying.

REN F, TAN W, REN P, DUAN Q

Preparing electric conductive nano-particles composite film comprises e.g. adding graphene oxide and polyvinylpyrrolidone to deionized water, performing ultrasonic stirring by passing nitrogen gas and performing ultrasonic agitation.

REN P, SI X, YAN C

Preparation of composite film involves mixing deionized water, graphene oxide/N,N-dimethylformamide suspension and polyvinylidene fluoride/N,N-dimethylformamide suspension, pouring obtained mixture on glass substrate, and drying.

AN N, FANG C, YE J

Preparing composite film comprises adding polyvinyl alcohol and graphene into a dispersing solution and then molding, non-isothermal drying and demolding.

REN P, ZHANG H

Preparation of graphene oxide and polymer nanocomposite film, e.g. for food packaging, by adding graphene oxide into solvent, ultrasonically processing, adding polymer, processing, removing foams, and curtain-casting or blow-molding.

CHEN T, LI Z, REN P, JIN Y