| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a toner for electrophotography which has a good low-temperature fixing property and suffers from less toner cloud, and is excellent in dot reproducibility in printed images, and a process for producing the toner. <P>SOLUTION: A process for producing a toner for electrophotography includes the step of fusing aggregated particles containing resin particles (A) and releasing agent particles in an aqueous mixed solution containing the aggregated particles and an anionic surfactant represented by the following formula (1) after and/or while adjusting a pH value of the aqueous mixed solution to 2.0 to 6.0 as measured at 25°C, and also provided is a toner for electrophotography obtained by the process. (In formula (1), R<SP POS="POST">1</SP>is a hydrogen atom or an alkyl group having 1 to 12 carbon atoms; R<SP POS="POST">2</SP>is a hydrogen atom or a methyl group; m is a number of 1 to 4 on average; AO is an ethyleneoxy group and/or a propyleneoxy group; n is a number of 5 to 100 on average; and M is ammonium, tetraalkyl ammonium or an alkali metal.) <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
