| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide toner configured so as to prevent contamination of the inside of a machine, having excellent ability to be cleaned off in a low temperature environment, and having the ability to be developed for high image quality maintenance even when printed out on a large number of sheets. <P>SOLUTION: Toner includes: at least binding resin, polyester resin, colorant, toner particles containing hydrocarbon wax, and inorganic fine powder. The average circularity of the toner is equal to or greater than 0.970 but equal to or less than 0.995. With regard to a volatilization component, detected at or after the peak detecting time of hexadecane as a result of heating 10 minutes at a heating temperature of 200°C in the heat desorption GC/MS analysis, the concentration obtained by hexadecane conversion using the mass of wax as a reference is equal to or less than 1100 ppm. The storage elastic modulus (G'<SB POS="POST">70</SB>) at a temperature of 70°C in the dynamic viscoelastic test of the toner is equal to or higher than 1.0×10<SP POS="POST">5</SP>(Pa) but equal to or less than 1.0×10<SP POS="POST">8</SP>(Pa) and the storage elastic modulus (G'<SB POS="POST">110</SB>) at a temperature of 110°C is equal to or higher than 1.0×10<SP POS="POST">4</SP>(Pa) but equal to or less than 2.0×10<SP POS="POST">5</SP>(Pa). <P>COPYRIGHT: (C)2012,JPO&INPIT |
