国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09D179/08（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Preparing graphene modified coating material comprises taking polyetherimide in N-methyl pyrrolidone solution, mixing and stirring, taking polyethylene pyrrolidine dissolved in dichloromethane solution, mixing and stirring.

WEI P, LIU Z, WANG Z, MIAO C, ZHANG K

High-safety composite electric heating film comprises electric heating layer arranged between upper electrode layer and lower electrode layer, and insulating and heat-conducting discoloring body attached to lower electrode layer.

XIA Y, CAI P, ZHANG W, HUANG H, GAN Y, LIANG C, ZHANG J, HE X