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POLYMERIZATION INITIATOR COMPOSITION FOR MANUFACTURING SUSPENSION POLYMERIZATION TONER, POLYMERIZABLE MONOMER COMPOSITION FOR MANUFACTURING SUSPENSION POLYMERIZATION TONER USING THE SAME, SUSPENSION POLYMERIZATION COMPOSITION AND SUSPENSION POLYMER
POLYMERIZATION INITIATOR COMPOSITION FOR MANUFACTURING SUSPENSION POLYMERIZATION TONER, POLYMERIZABLE MONOMER COMPOSITION FOR MANUFACTURING SUSPENSION POLYMERIZATION TONER USING THE SAME, SUSPENSION POLYMERIZATION COMPOSITION AND SUSPENSION POLYMER
PROBLEM TO BE SOLVED: To obtain a suspension polymer for manufacturing a suspension polymerization toner by using a polymerization initiator composition having low VOC residual amount even when polymerized at a relatively high temperature and capable of suppressing generation of emulsified fine particles.SOLUTION: 0.5 to 15 pts.mass of a polymerization initiator, which contains an organic peroxide represented by a structural formula (I) of 100 pts.mass and toluene of 5 to 40 pts.mass, is mixed with 100 pts.mass of a polymerizable monomer and polymerized at 70°C or higher.
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