国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4） B82（2）
IPC小类 C01B（4）
IPC B82Y030/00（2） C01B032/198（2） C01F011/46（2）
发明人 CAO A（4）
公开年 2022（4）
申请年 2022（3） 
专利权人 SHANDONG JIN.（2） SHANDONG LEA.（2）

Preparing composite film graphene comprises e.g. mixing graphene oxide paste and aqueous solution of acid solution, adding modified reagents to mix, reacting, filtering and separating, coating composite slurry on base material, stacking graphene number of the composite film and pressing.

CAO A, HOU S, SONG X, LIU T

Preparing manganese dioxide/graphite oxide composite material by using waste liquid of oxidized graphene, filtering, adjusting pH of filtrate by adding alkaline substance, adding proper potassium permanganate, and precipitating.

GONG W, CAO A, LIU T, SONG X, HOU S, WANG W

Preparing composite material of oxidized graphene/nano barium sulfate to paint, pigment, coating, ink, storage battery, paper making, plastic, rubber, ceramic, enamel, and spice industries, involves adding pre-treated graphene waste sulfuric acid.

LI P, GONG W, CAO A, LIU T, WANG W, HOU S, SONG X

Resource utilization method of phosphoric acid-contains waste sulfuric acid liquid used for preparing graphene oxide, involves detecting phosphate content, sulfate content in phosphate, adding acidic solution, and stirring fully.

LI P, GONG W, CAO A, WANG W, HOU S, SONG X, LIU T