国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B01（4） C08（4）
IPC小类 B01J（4）
IPC C08F212/08（4）
发明人
公开年 2021（4）
申请年 2021（2） 
专利权人

New strong acid cation exchange resin i.e. polystyrene-benzene sulfonic acid compound useful in amphoteric homogeneous mixed bed.

YU Y, XIE R, LIU X, YAN H, WU Y, YE Y, LIU W, LIU D, YU S

Preparing graphene quantum dot doped adsorption resin used in separation and purification of plant polysaccharide, by mixing polyvinyl alcohol, sodium lauryl sulfate and water, mixing with aqueous phase mixture, adding graphene quantum dots to oil-water mixed liquid, polymerizing and crosslinking.

DI D, HUANG D, PEI D

New catalyst i.e. 1-methylpyrrolidine compound useful in preparing diol by hydration reaction of epoxy alkane.

YU F, HE W, JIN M

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