TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT, METHOD OF MANUFACTURING THE SAME, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide toner for electrostatic charge image development in which image quality deterioration (blur) due to scattering of toner is suppressed. Ž

SOLUTION: The toner for electrostatic charge image development includes a block copolymer including a block (A) having a glass transition temperature of 60°C or more and a crystalline block (B) derived from an ethylenically unsaturated compound and having a melting point of 25°C or more. The block copolymer satisfies the expressions (1):30°C≤äT(0.5 MPa)-T(30 MPa)}≤80°C, (2):60°C≤T(0.5 MPa), and (3):T(30 MPa)≤80°C. In expressions (1) to (3), T(0.5 MPa) represents a temperature at which viscosity of the block copolymer is 104Pa s at a flow tester application pressure of 0.5 MPa, and T(30 MPa) represents a temperature at which viscosity of the block copolymer is 104Pa s at a flow tester application pressure of 30 MPa. Ž

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