国家/地区
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08K（2）
IPC C09D007/62（2）
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

High-stability positive temperature coefficient material for circuit protection device, comprises polymer base material, conductive filler, and internally reacted salt, where polymer base material comprises anionic ionomer, surface of conductive filler is modified by a cationic polymer.

YUAN J

Electromagnetic wave shielding coating method for steel materials comprises surface treatment of surface-treating contaminants including rust, dust, and oil on surface of steel material using surface treatment device.

PARK J