国家/地区 世界知识产权组织（2）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC F16D069/02（3）
发明人 XIONG W（2）
公开年
申请年
专利权人 JIANGSU JINM.（2）

Preparing rice-wheat straw graphene useful as friction material, comprises e.g. depleting and scorching rice and wheat straw into charcoal powder, graphitizing carbon powder, adding concentrated sulfuric acid, mixing, and reacting.

XIONG W

Producing rice and wheat straw graphene for friction material, involves oxidizing rice and wheat straw in presence of oxygen to obtain carbon powder, activating carbon powder, and then graphitizing activated carbon powder.

XIONG W

Graphene oxide sheet used for graphene-containing material, is obtained by dispersing graphene-containing carbon substance using dispersing agent to reduce size of aggregation unit of carbon substance, and oxidizing resulting product.

FUGETSU B