国家/地区
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B032/194（2）
发明人
公开年 2022（2）
申请年 2021（2）
专利权人

Manufacturing plastic card with graphene-antenna comprises preparing colloidal solution including graphene and preparing graphene ink component by mixing colloidal solution, water-dispersible polyurethane solution, and crosslinking agent.

PARK H R

Preparation of rare earth modified graphene copper based composite material used for contact line for high speed rail, involves ball milling graphite, organic amine and alcohol substance, centrifuging and separating product, and dissolving copper salt in alcohol substance.

WANG X, HUANG W, XUE D, WONG W