国家/地区 中国（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08G（3）
IPC C08K003/04（3）
发明人 LI Y（3）
公开年 2021（2）
申请年 2021（3）
专利权人

High-strength polyurethane rigid foam material is prepared from raw materials containing white material first component and polyisocyanate second component, where first component includes polyether polyol, modified filler, foam stabilizer, composite catalyst, flame retardant and foaming agent.

MIAO B, ZHANG W, GAO B, LI Y, SONG K, PANG D, HAN H

Preparing epoxy resin composite material comprises mixing dopamine-modified graphene oxide, multifunctional epoxy resin, curing agent and polar organic solvent, and curing.

ZHU S, LI Y, WANG L, LI Z, JIANG H

Preparing heat dissipation film based on large-diameter graphene oxide comprises e.g. stirring modified graphene oxide, modified boron nitride, modified carbon nanotube and solvent into reactor, reacting and casting polycondensate into film.

CUI J, XU P, LI Y, ZHANG B