国家/地区 韩国（4） 世界知识产权组织（2）
IPC部 C（4） B（2）
IPC大类 C01（2） C08（2）
IPC小类 C01B（2） C08J（2） C08K（2）
IPC C08J009/40（2） C08K003/04（2）
发明人 OH J（4）
公开年
申请年 2019（2） 
专利权人 KOREA ADVANCED SCI TECHNOLOGY INST（4）

Producing graphene-based auxetic porous structure used as e.g. sound-absorbing material for hotel,comprises preparing auxetic polymer sponge by triaxial thermal compression of porous polymer sponge, and immersing in graphene oxide solution.

OH I, OH J, KIM J

Producing porous structure-based graphene foam used as shock absorber, by heating dispersion containing graphene oxide in which porous structure is immersed, converting graphene oxide into reduced graphene oxide and freeze-drying hydrogel.

OH I K, OH J H, OH I, OH J

Graphene foam comprises polymer sponge comprising multiple pores, graphene oxide structure containing graphene oxide located inside the pores of the polymer sponge and graphene oxide structure is arranged parallel to each other.

OH I, OH J, KIM J

Porous nanostructure used for e.g. hydrogen storage material and vibration absorber, comprises graphene layer comprising laminated graphene and having pores formed on surface or inside, and metal particles embedded in graphene filler.

JUNG J, KIM H, OH I, OH J, JUNG J H, KIM H J, OH J H