Higher organic thin film transistor carrier mobility. A repeating unit having at least one group selected from the group comprising blocked isocyanate groups and blocked isothiocyanato group, the repeating unit having a hydroxy group, a repeating unit having a repeating unit as well as hydroxy and carboxy groups having a carboxy group and at least one repeating unit selected from the group comprising a polymer compound containing a repeating unit represented by the formula (1). ## STR1 (formula (1), R1, R2, R3 is a hydrogen atom, a fluorine atom, .R4 is hydrogen atom a monovalent organic group having 1 to 20 carbon atoms, a chlorine atom, a bromine atom, iodine atom, monovalent .Rf represents an organic group fluorine atom, a monovalent .Ra represents an organic radical is a divalent organic group having 1 to 20 carbon atoms containing a fluorine atom having 1 to 20 carbon atoms, - O -, - CO -, - COO -, - NHCO -, - NHCOO- represents a .m1 is an integer .n1 is from 1 to 5 representing an integer of 0 to 6).