G - Physics – 03 – G
Patent
G - Physics
03
G
96/51, 402/516,
G03G 9/08 (2006.01) G03G 9/087 (2006.01)
Patent
CA 1314421
ABSTRACT Electrophotographic toner is provided which contains 30 - 80% by weight of a polymer per total weight of a resin included in the toner, said polymer is obtained by continuously feeding a vinyl monomer, a polymerization initiator and a solvent into a system of 190 - 230°C to conduct polymerization under a liquid state, and said polymer is a vinyl polymer having a number average molecular weight of 1,000 - 5,000 and a glass transition temperature of 40 - 75°C. The preparation method of the electrophotographic toner is also provided. The toner is excellent in the fixing ability at high duplication speed and lower temperatures.
552738
Hirayama Nobuhiro
Ishikawa Keiichi
Misawa Akira
Shin Masaaki
Mitsui Chemicals Incorporated
Sim & Mcburney
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