Lg Chem, Ltd

Yunah Yu

Joong Jin Han

Esder Kang

Youngjea Kim

Yong Jin Jang

Hyungsam Choi

Duk Hun Jang

Byungguk Kim

Hyun Woog Ryu

Sehee Jung

Youngsik Eom

Sanggon Kim

Jin Young Park

Yeongrae Chang

Yu Jin Kim

Eunju Park

Sung Yeol Choi

Byung Guk Kim

Yongjoon Heo

Hyung Sam Choi

Sang Gon Kim

Jinhee Lee

Young Sik Eom

Sungyeol Choi

The present disclosure relates to a cover window for a flexible display device and a flexible display device including the cover window, wherein the cover window includes a polymer substrate including a polyamideimide block copolymer; and a hard coating layer formed on at least one surface of the polymer substrate and having a pencil hardness of 5H or more under a load of 750 g, and no crack occurs when wound on a mandrel having a diameter of 3 mm.

Cover window for flexible display device and flexible display device

A polymer including a hydrophilic block and a hydrophobic block, wherein the hydrophilic block includes a unit derived from a compound represented by Chemical Formula 1, and the hydrophobic block includes a unit derived from a fluorine-containing compound, a polymer separator including the same, and a membrane electrode assembly, a fuel cell and a redox flow battery including the same.

Polymer and polymer separator comprising same

There is provided a polyamide-imide resin film including a polyamide-imide block copolymer having a specific structure and having a predetermined retardation.

Polyamide-imide resin film

The polyamide-imide copolymer according to the present disclosure makes it possible to provide a polyamide-imide film that is excellent in both thermal stability and mechanical properties, and is capable of realizing anisotropy.

Polyamide-imide copolymer and polyamide-imide film comprising the same

The present invention relates to a polyamide-imide resin film having a low birefringence index, including: a polyamide-imide block copolymer containing an amide repeating unit to which an isophthaloyl group and an aromatic diamine residue are bonded; an imide repeating unit; and a trivalent functional group containing an aromatic tricarbonyl group.

The present specification relates to a block polymer and a polymer electrolyte membrane including the same, a membrane-electrode assembly including the polymer electrolyte membrane, a fuel cell including the membrane-electrode assembly and a redox flow battery including the polymer electrolyte membrane.

Block polymer and polymer electrolyte membrane comprising same

The present specification relates to a block polymer and a polymer electrolyte membrane comprising the same, a membrane-electrode assembly comprising the polymer electrolyte membrane, a fuel cell comprising the membrane-electrode assembly, and a redox flow battery comprising the polymer electrolyte membrane.

Block polymer and polymer electrolyte membrane including same

The present specification relates to a polymer electrolyte membrane including a polymer and inorganic particles.

Polymer electrolyte membrane

The present specification relates to a polymer with improved ion transport capability, a polymer electrolyte membrane including the same, a membrane-electrode assembly including the polymer electrolyte membrane, a fuel cell including the membrane-electrode assembly, and a redox flow battery including the polymer electrolyte membrane.

Polymer and polymer electrolyte membrane comprising same

The present specification relates to a compound comprising an aromatic ring, a polyelectrolyte membrane comprising the same, a membrane-electrode assembly comprising the polyelectrolyte membrane, a fuel cell comprising the membrane-electrode assembly, and a redox flow battery comprising the polyelectrolyte membrane.

Compound comprising aromatic ring, and polyelectrolyte membrane using same

The present specification relates to a compound comprising an aromatic ring, a polymer comprising the same, a polyelectrolyte membrane comprising the same, a membrane-electrode assembly comprising the polyelectrolyte membrane, a fuel cell comprising the membrane-electrode assembly, and a redox flow battery comprising the polyelectrolyte membrane.

Compound comprising aromatic ring having sulfonamide and ion transport group, polymer comprising same, and polyelectrolyte membrane using same

The present specification relates to a polymer electrolyte membrane including two types of polymers.

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Daejeon, South Korea

Yunah Yu