国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 C08L（4） C08J（3） B01D（2）
B01J（2） C08K（2）
IPC C08L075/04（4）
发明人 WANG Y（2）
公开年 2021（4）
申请年 2021（3） 
专利权人

Preparation method of graphene-based sponge used for treating sewage, involves performing ultrasonic treatment on the mixture of the graphene oxide dispersion and polyurethane sponge, heating.

WU J, LI C, SONG S, HUO S, LI K, WANG Y

Preparing oil-absorbing sponge modified based on graphene oxide, comprises cleaning polyurethane sponge with ethanol, mixing, soaking polyurethane sponge soaked in graphene oxide solution into modification solution and drying.

ZHANG J, LAN Q, LIN H, XU H

Preparing flame-retardant photothermal conversion polymer foam involves soaking and cleaning polymer foam with water to remove impurities attached to surface, drying cleaned polymer foam, and adopting in-situ co-precipitation method.

WANG Y, SHI H, ZHAO H, LI S, CHENG J, WANG T

Preparing environment-friendly antibacterial polyurethane complex material comprises e.g. taking beaker, placing in constant temperature experiment box, slowly adding sulfuric acid and sodium nitrate, and adding infrared thermometer.

HE W, CHEN S, LIU Y