国家/地区
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29C（2）
IPC B29L007/00（2）
发明人
公开年
申请年
专利权人

Preparing multilayer polyimide film with electromagnetic shielding ability comprises e.g. paving negatively charged cobalt iron oxide modified polyimide film and positively charged silver doped graphene powder, and spraying deionized water on film to wet silver doped graphene powder.

NIU R, LIU S, CHEN H

Manufacture of black polyester film for e.g. packaging film, involves physically regenerating portion of recycled polyester material by adding black additive to material and granulating to form pellets, forming chemically recycled polyester pellets, mixing obtained both pellets and melt-extruding.

YUAN C, HSIAO C, YANG C, YANG W, LIAO T