国家/地区 韩国（2）
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC B32B027/18（2）
发明人
公开年
申请年
专利权人 KOREA ADVANCED SCI TECHNOLOGY INST（2）

Active responsive multi-scale sound absorbing material used in machine e.g. engine, comprises shape memory polymer panel comprising open cells, porous polymer foam located inside open cell and bond to cell wall of open cell, and nanofiber mat layer.

KIM S, ON S Y

Multi-layer graphene-metal-polymer sheet for shielding electromagnetic wave, has contents of graphene-metal nanocomposite powder, relative to total weight of graphene-metal-polymer sheet different in adjacent graphene-metal-polymer sheets.

HONG S H, RYU H J, OH J Y, IM H J