TONER, DEVELOPER, IMAGE FORMING DEVICE AND IMAGE FORMING METHOD Russian patent published in 2015 - IPC G03G9/08 

FIELD: printing trade.

SUBSTANCE: group of inventions comprises the image formation device, the toner, and also the image formation method. The toner contains: The toner contains: binding resin; unbinding agent and painting matter, where binding resin contains crystal polyester resin and non-crystal polyester resin where unbinding agent has endothermic peak temperature from 60°C up to 80°C at the second temperature rise in the differential scanning calorimetry and where the unbinding agent is ester wax which conforms to the following expressions 1.1 Pa s ≤ η×a ≤ 2.0 Pa s (1) and 0.001 ≤ η×b/η×a ≤ 1.00 (2), where in the expressions (1) and (2) η×a designates the complex viscosity (Pa s) which is determined by means of measurement of dynamic viscoelasticity of the unbinding agent with a frequency of measurement 6.28 rad/s, and η×b designates the complex viscosity (Pa s) which is determined by means of measurement of dynamic viscoelasticity of the unbinding agent with the frequency of measurement of 62.8 rad/s.

EFFECT: representation of the toner which has the good fixative properties at 150 degrees or below, in order to form the good fixated images and which, even when using in high-speed photocopiers, can powerfully suppress pollution inside photocopiers as a result of flying wax dust particles and release of dust particles outside.

10 cl, 4 dwg