| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a toner which has excellent fixing characteristics such as document offset property, folding durability of a fixed image, peeling property of a sheet to be fixed and transparency for an OHP, which has high electrification uniformity and stability, which does not cause fog, splashing or the like and which can form excellent picture quality. SOLUTION: This electrostatic charge image developing toner shows the following characteristics. In the temp. dispersion measurement of the dynamic viscoelasticity of the toner, the lowest temp. where the storage elasticity G' and the loss elasticity G" of the toner at 6.28 rad/sec frequency coincide with each other at a temp. of >=0 deg.C ranges from 60 to 75 deg.C. Or, the Mw of the toner measured by GPC ranges from 20,000 to 65,000 and the peak area in the region of <=1,000 mol.wt. of the toner measured by GPC is <=3.0%.</p> |
