DISPERSANT COMPOSITION FOR CARBON NANOTUBE

The present invention relates to a dispersant composition for carbon nanotubes, containing: a copolymer that includes a structural unit A represented by the following general formula (1) and a structural unit B represented by the following general formula (2); and a solvent, wherein the content of the structural unit B in all structural units of the copolymer is 20 mass % or more. In the following formulae, R, R, R, R, R, and Rare the same or different from each other and are each a hydrogen atom, a methyl group, or an ethyl group, Ris a hydrocarbon group having 16 to 30 carbon atoms, Ris a linear or branched alkylene group having 2 to 3 carbon atoms, Xis on oxygen atom or NH, Xis an oxygen atom, p is the number of 1 to 8, and Ris a hydrogen atom, a methyl group, or an ethyl group.