Abstract:
Disclosed herein is a monomer for binding nano-metal, which is useful for the preparation of a conductor having increased conductivity with ensuring flexibility and transparency. Polymerization of the monomer for binding nano-metal provides a conductive polymer composite including a nano-metal rod. A method of preparing the conductive polymer composite is also provided.
Abstract:
A slot die includes a material distribution chamber configured to distribute a casting solution supplied to the material distribution chamber, and a lip in which a slot including an expansion portion is defined and through which the casting solution distributed in the material distribution chamber is discharged, where a width of the expansion portion taken in a first direction is expanded from one side of the expansion portion to a lip end facing the one side and the one side of the expansion portion is apart from the lip end by a predetermined length taken along a second direction which is perpendicular to the first direction and substantially parallel to a flow direction of the casting solution.
Abstract:
A composition for preparing a polyimide including a tetracarboxylic dianhydride mixture including a tetracarboxylic dianhydride represented by Chemical Formula 1A, Chemical Formula 1B, or a combination thereof, a tetracarboxylic dianhydride represented by Chemical Formula 2, and a diamine represented by Chemical Formula 3: NH2—R1—NH2 Chemical Formula 3 wherein in Chemical Formulae 1A, 1B, 2 and 3, definitions of groups and substituents are described in the specification.
Abstract:
A polyimide precursor composition, including a polyamic acid including a repeating unit represented by Chemical Formula 1 and transparent metal oxide nanoparticles coordinated to a ligand represented by RCOOH, wherein R is a linear or branched C1-C4 alkyl or a linear or branched C2-C4 alkenyl: wherein variables Cy, A3, R31, and n34 in Chemical Formula I are described in the specification.
Abstract:
Disclosed are a polyimide precursor composition that includes a polyamic acid selected from compounds represented by Chemical Formulae 1 to 3, and a combination thereof; and a cross-linking agent selected from a compound represented by Chemical Formula 4, a compound represented by Chemical Formula 5, and a combination thereof; an article including a cross-linked polyimide using the same; and a display device including the article.
Abstract:
A copolymer that includes a repeating unit A having a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, or a combination thereof; and a repeating unit B having a repeating unit represented by Chemical Formula 3, a repeating unit represented by Chemical Formula 4, or a combination thereof, an article including the same, and a display device including the article.
Abstract:
A composition for preparing a polyimide-inorganic particle composite, including a tetracarboxylic acid dianhydride represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, and an inorganic particle having an amino group on its surface: wherein the definitions of groups R1 and R2 in Chemical Formula 1 and Chemical Formula 2 are the same as described in the detailed description.
Abstract:
A composition including a diamine compound and a dianhydride compound, wherein the diamine compound includes a first diamine compound represented by Chemical Formula 1, wherein, in Chemical Formula 1, T1 to T8 and L1 to L8 are the same as defined in the detailed description.
Abstract:
A film including a polyimide-polybenzoxazole copolymer including a repeating unit represented by Chemical Formula 1: wherein in Chemical Formula 1, A1, A1′, A2, A3, m, and n are the same as described in the specification.