KONA Powder and Particle Journal
Online ISSN : 2187-5537
Print ISSN : 0288-4534
ISSN-L : 0288-4534
Translated Research Paper
Preparation of Microcapsule Toner and Their Properties [Translated]
Masato TanakaIsao ImuraNatsukaze SaitoHideaki Tominaga
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JOURNALS OPEN ACCESS

1996 Volume 14 Pages 153-161

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Abstract

Microcapsule toners were prepared in two steps: fine core particles and the wall of the capsule were prepared in the first and the second steps, respectively. The core material was stearic acid in which carbon black was dispersed. The wall material was the fine polystyrene beads prepared by the soap-free polymerization.
In the experiment, operating conditions, such as the volume fraction of stearic acid and the impeller speed and the mixing time in the preparation of the first O/W dispersion, were changed stepwise.
It was investigated that how the operating conditions affected the properties of microcapsule toners, such as the size distribution, the mean size and the contents of ferrite powder and the wall material.
The mean size of the toner decreased with the increase of the impeller speed and the mixing time (DAV∝Nr1-1.2, DAV∝t1-0.48). The content of the wall material increased with the polymerization time.

This report was originally printed in Journal of the Japan Society of Colour Material 67(10), 624-631 (1994) in Japanese, before being translated into English by KONA Editorial Committee with the permission of the editorial committee of the Japan Society of Colour Material.

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