国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B032/194（2）
发明人 CHEN W（2）
公开年 2020（2）
申请年
专利权人

Preparation of graphene reinforced ceramics involves pouring graphene and polyvinylpyrrolidone in N-methyl-2-pyrrolidone, adding alumina and silicon nitride, ball milling, drying, sieving, pressing, sintering, and heat-preserving.

CHEN W, ZHAO Z

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