G - Physics
03
G
96/51
G03G 9/08 (2006.01)
Patent
CA 1314423
ABSTRACT A toner resin contains a specific polymer as its principal component. The polymer is obtained by mixing 20 - 80 parts by weight of a low molecular polymer having a number average molecular weight of 1,000 - 5,000 and a glass transition temperature (Tg) of 40 - 75 °C, 80 - 20 parts by weight of a vinyl monomer, 0.01 - 5 parts by weight of a polymerization initiator and 0 - 3 parts by weight of a crosslinking agent, dispersing the resultant mixture in an aqueous system and then polymerizing same. The toner resin has excellent low-temperature fixing property and offset- ting resistance, can provide marks of superb vividness, and also can prevent modifications of copied marks, for example, due to transfer of a plasticizer.
555654
Aizawa Hironori
Okubo Atsuo
Shin Masaaki
Mitsui Chemicals Incorporated
Sim & Mcburney
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