Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1994-11-07
1996-08-20
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430111, G03G 9097
Patent
active
055478018
ABSTRACT:
The present invention provides a toner resin composition and toner which is superior in terms of low temperature fixation and superior anti-offset, anti-aggregation and anti-smearing properties, by introducing in the binder which is primarily composed of vinyl copolymer, a vinyl copolymer which has, in its molecular weight distribution curve, at least a peak in the range of 1.times.10.sup.3 -8.times.10.sup.4, plus a peak or a shoulder in the range of 1.times.10.sup.5 -4.times.10.sup.6, or a Mw/Mn of 6 or more, or 5 wt % or more of a toluene nonsoluble component, and 1-50 wt % of a specific ethylene copolymer.
REFERENCES:
patent: 4450221 (1984-05-01), Terada et al.
patent: 4529680 (1985-07-01), Asanae et al.
patent: 4810612 (1989-03-01), Ueda et al.
patent: 5135833 (1992-08-01), Matsunaga et al.
Masaoka Tsunehiro
Suzuki Tatsuo
Martin Roland
Sekisui Chemical Co. Ltd.
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