Fabrication of black printing toner through in situ polymerization: An effective way to increase conversion

Journal: Vol.8, No.2, Spring 2015 - Article 2   Pages :  115 Until 121

Article Code:

Fatemeh Andami: Institute for Color Science and Technology - Department of Printing Science and Technology
M. Ataeefard: Institute for Color Science and Technology - Department of Printing Science and Technology
Farhood Najafi: Institute for Color Science and Technology - Departments of Resin and Additives
M.R. Saeb: Institute for Color Science and Technology - Departments of Resin and Additives

Article's abstract:

Styrene-acrylate copolymer was synthesized in presence of carbon black through heterogeneous polymerization. The percentage of monomer conversion was measured by gravimetric method, also PSA, SEM, DSC and GPC were used for studying the particle size and particle size distribution, morphology, thermal properties and molecular weight, respectively. As well as color properties were characterized by spectrophotometry method. The results showed that the copolymer was appropriate for applying as printing toner. In this study to improve the monomer conversion, a redox initiator system was applied, so the conversion increased from 20 to 75. Other properties such as particle size, particle size distribution, morphology, thermal behavior, molecular weight and color properties were affected by this change but they were in the acceptable range.


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