国家/地区 中国（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08J（3） C08K（3） C08L（2）
IPC C08J009/40（3）
发明人 FENG L（2） GU X（2） ZHANG C（2）
ZHANG L（2）
公开年 2020（2）
申请年 2020（2） 
专利权人 UNIV ZHEJIANG（3）

Multi-stage foam sound absorbing black material comprises polymer foam framework and continuous graphene resonant cavity attached on framework.

XU Z, LIU X, GAO C, PANG K

Preparing graphene-based melamine foam by dispersing graphite and stripping agent in solvent, ultrasonically treating and centrifuging, and taking supernatant to obtain graphene dispersion, immersing melamine foam and squeezing.

ZHANG C, ZHANG L, FENG L, GU X

Preparing low thermal conductivity hydrophobic melamine foam by impregnating melamine foam in graphene oxide solution, repeatedly extruding, leaving still, taking out melamine foam and performing thermal reduction after vacuum drying.

ZHANG C, ZHANG L, FENG L, GU X