| 摘要 |
<p>PURPOSE:To obtain a toner capable of giving satisfactory stable image quality and image density of a copy and capable of considerably relieving the problem of an offensive odor from the toner. CONSTITUTION:This toner contains a colorant and styrene resin consisting of a low mol. wt. body having one or more mol. wt. peaks in the gel permeation chromatogram in the range of 3,000-80,000 and a high mol. wt. body having one or more mol. wt. peaks in the range of 80,000-1,500,000. When the amt. of volatile components measured by a head space method is represented by A and the percentage of stock monomers and a solvent used for producing the resin binder in the amt. of the volatile components is represented by B, A<=900ppm and B>=80% or A<=650ppm and B>=70% are satisfied.</p> |
