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US 2021/0230330 A1Published application
Acrylonitrile-based copolymer for carbon fiber
AssigneeLG Chem, Ltd.
InventorsChang Hun Kim, Jong Gil Kim, Hyun Min Kim, Yeon Soo Kim, Jeong Hun Cho, Hye Jin Han, Joon Hee Cho
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Abstract
Provided is an acrylonitrile-based copolymer for a carbon fiber which includes a sulfonate-based monomer unit, a carboxylic acid-based monomer unit, and an acrylonitrile-based monomer unit, and the acrylonitrile-based copolymer for a carbon fiber includes the sulfonate-based monomer unit at 0.55 to 1.55 mol %, and the carboxylic acid-based monomer unit at 0.60 to 1.40 mol %.
Claims9
An acrylonitrile-based copolymer for a carbon fiber, comprising a sulfonate-based monomer unit, a carboxylic acid-based monomer unit, and an acrylonitrile-based monomer unit,
- wherein the acrylonitrile-based copolymer includes the sulfonate-based monomer unit at 0.55 to 1.55 mol %, and the carboxylic acid-based monomer unit at 0.60 to 1.40 mol %.
Dependencies are inferred from the claim text.