国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2） C09（2）
IPC小类 C08J（2）
IPC C09D197/00（2）
发明人
公开年
申请年 2020（2）
专利权人

Wave-absorbing coating composition for wave-absorbing material, comprises resin components, wave absorbing agent, curing agent, calcium brominated lignosulfonate, solvent and auxiliary agent.

WANG K, ZHAO Z, LIU R

Preparing biopolymer composite film, comprises dispersing biopolymer in solvent and preparing polymer solution, where solvent is preferably water or polar solvent, coating polymer solution on surface of microporous substrate to form wet film, and drying to obtain biological polymer composite film.

GUAN Y