abstract |
Disclosed is a dispersant represented by Formula 1:n n n Formula 1:n n n [Formula 1]n n n n n n n n A 1 to A 4 are two monovalent polymer moieties (P), the other two are —C (═O) OH or —CH 2 C (═O) OH, or one is a monovalent polymer moiety (P), The other three are —C (═O) OH or —CH 2 C (═O) OH, or one is a monovalent polymer moiety (P), and the other two are —C (═O) OH or —CH 2 C ( ═O) OH, another is —C (═O) —X a —R a , wherein X 1 is a tetravalent group represented by Formula 2, 3, or 4:n n n Formula 2:n n n [Formula 2]n n n n n n n n Formula 3:n n n [Formula 3]n n n n n n n n Formula 4:n n n [Formula 4] |