DIAMINE COMPOUND, AND POLYIMIDE PRECURSOR AND POLYIMIDE FILM USING SAME
申请人:LG CHEM, LTD.
公开号:US20220017461A1
公开(公告)日:2022-01-20
Disclosed is a novel diamine compound comprising a structure in which diphenyl sulfide in a molecule is bonded through an amide bond to a phenyl ring substituted with an amine group. A polyimide film prepared by polymerizing the novel diamine compound exhibits improved mechanical and thermal properties and an enhanced refractive index.