国家/地区 中国（6） 韩国（2）
IPC部 C（7）
IPC大类 C08（7）
IPC小类 C08G（7）
IPC C08K003/04（2） C09D007/61（2） C09D175/04（2）
发明人
公开年 2022（3）
申请年 2020（2）  2022（2） 
专利权人

High color fastness polyurethane surface layer material comprises primer layer, elastic layer e.g. polyether polyol, hexamethylene diisocyanate trimer, polycarbonate diol, methylene diphenyl diisocyanate, triethylamine, graphene oxide, carbon nanotubes, epoxy acrylate, and spray surface layer.

JI P, SHEN Z, HAN Z

Double-component seam beautifying agent useful e.g. for beautifying gaps of ceramic tiles comprises e.g. epoxy resin, stop flow agent, dispersant, antifoaming agent, adhesion promoter, anti-freezing agent, polyetheramine curing agent, pigment carbon black and anti-water and anti-yellowing agent.

MA A

Pod-type degradable temporary plugging ball useful in temporary plugging treatment of oil and gas wells in fracturing system, comprises degradable outer shell (comprising e.g. polymerized product of glycolide, lactide, polybutylene succinate prepolymer) and inner core.

LI H, ZHANG Y, SHANG L, HUANG B, LIU J, WANG Y, YANG X, JIANG Q

Preparing wall paper with air absorption and purification effect, comprises e.g. adding polyethylene glycol and epoxy resin into the reaction container, heating, reacting, adding catalyst and heating.

DONG Y

Summer retarding high-performance structural adhesive as bridge strengthening connecting agent material, comprises epoxy resin, silicon powder, nano-calcium carbonate, modified graphene, polyamide, aromatic amine and silane coupling agent.

XIE K, HE J, ZHOU X, MA D, WANG Q

Preparing anti-crack coating material involves using base and curing agent, mixing compound having functional group, graphene flake, solvent, reacting mixture to produce functional graphene, subjecting homogenized homogenate to treatment.

AN H S

Insulating layer composition for use in substrate of insulating prepreg or insulating film and printed circuit board, comprises soluble type liquid crystal thermosetting oligomer, metal alkoxide compound, and graphene oxide.

JI S Y, HAM S J, KIM S H, KIM D Y, YEONG J S, JIN H S, HWAN K S, YEONG K D, CHI S, KIM S, KIM D, HAM S, CHI S Y, HAMSUKJIN