国家/地区 美国（5）
IPC部 C（5）
IPC大类 C08（5） C09（2）
IPC小类 C08G（5）
IPC C08J005/18（5）
发明人
公开年 2021（5）
申请年 2021（4） 
专利权人

Graphene dispersion used in composition for preparing polyurethane composite material, comprises graphene and polyol compound comprising aromatic polyol and modified aromatic polyol made by subjecting the aromatic polyol and epoxidized vegetable oil to ring opening reaction.

CHIEN C, HUNG W, WU Y, JIAN J

Manufacture of black polyester film for e.g. packaging film, involves physically regenerating portion of recycled polyester material by adding black additive to material and granulating to form pellets, forming chemically recycled polyester pellets, mixing obtained both pellets and melt-extruding.

YUAN C, HSIAO C, YANG C, YANG W, LIAO T

Preparing high-frequency transmission liquid crystal polymer film useful for e.g. electronics, comprises acetating monomers, crushing high-temperature polymerization of acetylated monomer and phenolic resin, mixing liquid crystal copolyester, cooling, slitting longitudinally and transversely.

XU L, YU R, ZHANG D

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

Maleimide resin film used in maleimide resin composition and as adhesive resin film having low dielectric property, comprises maleimide, (meth)acrylate, inorganic particles with respect to whole resin film and curing catalyst.

IGUCHI H, TSUTSUMI Y, KASHIWAGI T, DI J