Patent ID: 6232030
Filing Date: 2001-05-15
Classification: G03G

Abstract:
A process for manufacturing a toner comprising the step of melt-kneading a composition comprising a resin binder and a colorant using an open roller-type continuous kneader having heating and cooling functions, wherein a plurality of feed openings are provided for melt-kneading along a shaft direction of a roller of the kneader, and wherein melt-kneading is carried out by continuously feeding 6 to 70% by weight of a resin binder to be blended at a position of 0 L to 0.5 L from a roller end at inlet side of the kneader, L being a roller length, and continuously feeding 50 to 100% by weight of a colorant at a position 0 L to 0.5 L.