The production manner which is based, on the nonaqueous nature scattering liquid law in order to produce the spherical polyester grain which possesses narrow gradation and adjustment possible mean diameter

摘要

(57) Abstract This invention be able to adjust grain size strictly in the range of 1 - 200 millimicrons, it possesses the gradation of the span (=d90d10/d50) 1.5, production manner, and the electrophotography of the spherical polyester grain and the toner constituent and the powder canning in the direct print system it regards the use of the generation grain for.