国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人 ZHANG L（2）
公开年 2020（2）
申请年 2019（2）
专利权人 CR CEMENT TE.（2）

Preparing microwave-expanded graphene material used in concrete materials, by adding graphite, sodium nitrate and potassium permanganate to reaction vessel, dripping concentrated sulfuric acid, filtering and expanding graphene precursor.

ZHONG Y, CHEN W, ZHANG L, WANG Y, WU Y, LAO L

Preparing thermally-expandable graphene material used in cement, by dripping concentrated sulfuric acid to graphite, sodium nitrate and potassium permanganate, filtering, vacuum-drying, introducing argon gas, heating, expanding and pulling.

ZHONG Y, ZHANG L, CHEN W, WANG Y, LAO L, WU Y