国家/地区 台湾（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC
发明人 CHUNG M（3）
公开年 2021（3）
申请年 2019（3） 
专利权人 CHUNG M（2） HSU H（2） KUAN H（2）

Preparation of graphene sheet involves using supercritical carbon dioxide to carry urea aqueous solution to intercalate graphite oxide or expandable graphite, and then stirring nitric acid at room temperature to form urea nitrate nitrates.

CHUNG M, KUAN H, HSU H

Preparation of thermosetting composite material by mixing graphite oxide and urea aqueous solution, ultrasonically vibrating, adding nitric acid to form urea nitrate salts, filtering, drying, mixing with epoxy resin, heating, and hardening.

KUAN H, CHUNG M, MA J, MENG Q

Preparation of graphene sheets using supercritical fluid involves intercalating graphite oxide or expandable graphite with supercritical carbon dioxide and aqueous urea solution, and adding nitric acid dropwise by ultrasonic oscillation.

CHUNG M, KUAN H, HSU H