国家/地区 中国（3）
IPC部 B（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C04B020/02（3）
发明人
公开年 2021（2）
申请年 2021（3）
专利权人

Concrete drainage pipe comprises regenerated aggregate, fly ash, aluminum powder and fine sand with preset fineness, fine coal gangue, lime, gypsum, diatomaceous earth, cement, nano-silica, graphene oxide, redispersible latex powder, crushed stone, plasticizer, water-reducing agent and water.

HE Y

Preparing graphene oxide aerogel comprises e.g. preparing first solution containing modified cotton fibers and graphene oxide and second solution containing nano tourmaline, mixing the prepared solutions, dispersing, introducing clean air into dispersed solution, adding alkali and freeze-drying.

WANG J, WANG B

Graphene oxide reinforced cement-based material used for three-dimensional printing comprises cement, modified quartz sand, fly ash, steel slag powder, white carbon black, water reducing agent, retarder and water.

LIANG Y