国家/地区 中国（4）
IPC部 C（4）
IPC大类 C08（4）
IPC小类 C08G（4）
IPC C08G018/48（2）
发明人 LIU J（2）
公开年 2022（4）
申请年 2022（3） 
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

Phase-change hydrated salt polymerization filling material, comprises polyether polyol, foaming agent, flame retardant and heat conducting material, polymeric MDI and adhesive, polyether polyol, silicone oil and composite phase-change nano material.

ZHU Y, SHI C, LI J, LIU J, LIN Y, ZHANG P, XIN H