国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2） C02（2）
IPC小类 B01D（2）
IPC C02F001/28（2）
发明人 SUN H（2）
公开年 2021（2）
申请年
专利权人

Preparing graphene oxide/polymer sponge three-dimensional structure composite material comprises e.g. adding polymer sponge in strong acid aqueous solution, removing residual strong acid aqueous solution, and soaking negatively charged polymer sponge in graphene oxide dispersion liquid.

LIU B, PENG T, ZHANG X, SUN H

Preparing sewage filtering material by mixing quartz sand, anthracite particles, graphene, limestone, sieving powder, sodium allyl sulfonate, distearoyl diethylene triamine, and titanium oxide, granulating and layering on fabric.

SUN H, GAO Y, SI Y, SHEN F