国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B031/04（2）
发明人 CHEN C（2） CHEN T（2） WANG H（2）
YANG X（2）
公开年 2012（2）
申请年 2011（3）
专利权人 UNIV BEIJING NORMAL（3）

Graphene based nanoparticles composite hydrogel used in e.g. pharmaceutical field, contains graphene based nanoparticles, water-soluble polymer obtained by polymerizing water-soluble unsaturated monomer and crosslinking, and water.

WANG H, LIU J

Graphene preparation comprises dispersing graphite oxide in water under ultrasonic oscillation to obtain colloid, and taking zinc as reducing agent to reduce oxidized graphite to obtain graphene.

CHEN C, YANG S, LIN H, CHEN T, YANG X, HUANG D

Graphene preparation comprises reacting graphene oxide with borohydride compound and compound containing variable valence metal ion in volatile liquid environment to obtain graphene.

CHEN T, CHEN C, WANG H, YANG X