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http://dx.doi.org/10.9713/kcer.2013.51.5.628

Effects of Surface-modification of Carbon Black on the Characteristics of Polymerized Toner  

Lee, Eun Ho (Department of Chemical Engineering, School of Engineering, Chungbuk National University)
Kim, Dae Su (Department of Chemical Engineering, School of Engineering, Chungbuk National University)
Publication Information
Korean Chemical Engineering Research / v.51, no.5, 2013 , pp. 628-633 More about this Journal
Abstract
Carbon black was surface-modified to prepare styrene-based suspension polymerized toner with excellent carbon black dispersibility inside toner particles. Carbon black was oxidized first to introduce hydroxyl groups on the surfaces, then esterification between the hydroxyl groups and carboxyl groups of organic acids (oleic acid, palmitic acid, acrylic acid) was followed to obtain organically surface-modified carbon black. The surface-modification of carbon black was confirmed by FTIR. Apparent carbon black dispersibility in the monomer mixture of the binder resin was tested and the particle size of dispersed carbon black was measured by particle size analyzer. Optical micrographs showed that carbon black dispersibility inside toner particles was improved considerably when the carbon black surfacemodified with oleic acid was used. The polymerized toner prepared with the carbon black surface-modified with oleic acid showed ideal particle size and size distribution as a toner.
Keywords
Carbon Black; Surface-modification; Styrene; Polymerized Toner; Suspension Polymerization;
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Times Cited By KSCI : 7  (Citation Analysis)
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