国家/地区 中国（5） 世界知识产权组织（2）
IPC部 C（6）
IPC大类 C08（6）
IPC小类 C08L（6）
IPC C09D175/08（6）
发明人
公开年 2021（4）
申请年 2021（3）  2020（2） 
专利权人

Polyurethane composition used in polyurethane elastomer, comprises polyisocyanate component comprising isocyanate-terminated prepolymer obtained from reaction of polyol with 1,4-bis(isocyanatomethyl cyclohexane), or mixture of 1,4-bis(isocyanatomethyl cyclohexane), and isocyanate-reactive component.

SONG N

Preparation of composite material for e.g. aerospace applications, involves preparing modified graphene oxide, preparing polyurethane product, dissolving modified graphene oxide in dimethyl formamide, adding to polyurethane product solution, ultrasonically processing, and transferring to mold.

YUAN H, JI C

Preparing antibacterial, sterilized graphene foam packaging box, involves adding polyether polyol to reaction device, heating, adding graphene/graphene derivatives, foaming agent, dispersant to polyether polyol, chain extender, and stirring.

LIU A

Preparation of degraded immune biomimetic protective coating for water conservancy projects, involves pretreating concrete surface, impregnating silane emulsion, heating, spraying specific primer and spraying specific top coat material.

MA Y, LIU J, GE Y, ZHANG P, SONG X, WU R, BAO J, CUI Y, XUE S, XUEN M, TONG L J, GROUND O T, ZHANG F, XIAOHUI S, JIUYUAN B, YIFEI C, SHANBIN X

Preparing graphene-based hybrid flame retardant useful in fields of intelligent packaging and coating, comprises e.g. adding graphene oxide and de-ionized water to three-necked flask, and adding commercial flame retardant solution.

JIN Y, YANG H, DU W, WANG S

Preparing graphene-modified aqueous polyurethane composite material for coating building, involves preparing prepolymer, adding dimethylolpropionic acid, and diethylene glycol, adding triethylamine to obtain aqueous polyurethane emulsion.

HUANG J, FU J