Process for preparing deodorized resin for dry toner

Details Process for preparing deodorized resin for dry toner Process for preparing deodorized resin for dry toner

G - Physics

03

G

G03G 9/087 (2006.01)

Patent

CA 2194213

A process for preparing a deodorized resin for a dry toner which comprises: (a) polymerizing an aromatic vinylic monomer and an acrylic monomer in the presence of a molecular weight-controlling agent, an initiator and an emulsifier using a two-step emulsion polymerization process to obtain a latex having a bimodal molecular weight distribution; and (b) treating the latex with an oil-soluble peroxide.

Cette invention concerne un procédé de préparation d'une résine désodorisée pour poudre de toner qui consiste: (a) à effectuer la polymérisation d'un monomère vinylique aromatique et d'un monomère acrylique en présence d'un agent de maîtrise du poids moléculaire, d'un initiateur et d'un agent émulsifiant, ladite polymérisation étant effectuée suivant un processus de polymérisation en émulsion à deux étapes conduisant à la formation d'un latex à répartition bimodale du poids moléculaire; et (b) à faire subir à ce latex un traitement au peroxyde oléosoluble.

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