国家/地区 韩国（2）
IPC部 B（2）
IPC大类 B63（2）
IPC小类 B63B（2）
IPC B63B022/00（2）
发明人
公开年
申请年 2021（2）
专利权人

Buoy comprises e.g. polyurea coating layer formed outside nonwoven fabric body, and formed by applying and curing coating composition containing styrene-butadiene rubber, carbon fiber, fullerene, grapheme, polyurea, and plasticizer.

KIM T

Manufacture of buoy involves forming hemisphere by coating protective layer comprising mixed composition of urea resin, calcium alginate, polyoxyethylene alkylether, sodium benzoate, and oligomer, and performing thermal fusion method.

LEE K M, YOON O