Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1994-12-23
1995-11-21
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430109, 430111, 525213, 525217, 525218, 525221, 525222, G03G 9097, G03G 9087
Patent
active
054685850
ABSTRACT:
A resin composition for use in an electrophotographic toner which comprises an ethylenic polymer (L) having a M.sub.w of not greater than 20,000 and an acid value of 2 to 100 mg KOH/g, and an ethylenic polymer (H) having a M.sub.w of not less than 150,000, a M.sub.w /M.sub.n ratio of not less than 5.0 and a time constant for triboelectric charging (.tau.) of 1.2 to 25, the ethylenic polymers (L) and (H) being present in a weight ratio ranging from 15:85 to 85:15. This resin composition can improve the triboelectric charging properties of the toner.
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Patent Abstracts of Japan, vol. 10, No. 312 (p. 509), Oct. 23, 1986 & JP-A-61 123856 (Canon) * abstract *.
Fukui Tamami
Hirayama Nobuhiro
Kawasaki Shoji
Matsumoto Katsuru
Uchiyama Kenji
Martin Roland
Mitsui Toatsu Chemicals Incorporated
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