国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C08（3） C02（2）
IPC小类 B01J（3）
IPC C08F002/44（3）
发明人 LI H（3）
公开年 2021（2）
申请年 2020（2） 
专利权人

Preparation of composite material used for selective separation and enrichment of podophyllotoxin from water sample, involves adding podophyllotoxin as template molecule, graphene oxide, and modified hydroxypropyl cellulose to polymerization solvent, reacting, and washing away template molecule.

HU X, CHENG L, LI Q, LI X, ZHOU Z, LI H, SU X

Preparing graphene composite ion exchange resin comprises passing graphene composite ion exchange resin through graphene composite copolymerized white ball, mixing and reacting with sulfonating agent and post-processing.

SHEN X, YING Y, LI H, PENG Z, SHI H

Graphene/silicon dioxide double hybrid wall modified polystyrene microspheres comprise polystyrene microspheres, silicon dioxide layer and graphene layer, where silicon dioxide and graphene layer are coated on surface of microspheres.

LI S, YANG B, ZHANG S, LI H, LI Y, GUO H, XU Q, WEN F