Patent ID: 6200720
Filing Date: 2001-03-13
Classification: C08F,C09D,G03G

Abstract:
A toner for electrostatic charge development, which contains a binder resin and a colorant, the binder resin containing a graft resin having a structure of the formula (1) and having a number average molecular weight of 2,000 to 50,000, ##STR4##wherein R is a hydrogen atom, a benzoic acid residue or a fatty acid residue having 4 carbon atoms or less, R' is a fatty acid residue having at least 12 carbon atoms, each of k, m and n is a copolymerization ratio, k is 0 to 0.60, each of m and n is greater than 0, the value of n/(m+n) is in the range of from more than 0.30 to 0.85, k+m+n=1.0, and x is an average polymerization degree.