Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1996-06-21
1999-07-27
Dote, Janis L.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430109, 430111, G03G 9097
Patent
active
059288256
ABSTRACT:
A toner for developing electrostatic latent images containing a binder resin, a colorant, and a lubricant, wherein the lubricant comprises a modified polyethylene wax which is obtained by homopolymerizing ethylene or copolymerizing ethylene and an .alpha.-olefin having 3 to 10 carbon atoms in the presence of a metallocene catalyst and modifying the resulting homo- or copolymer by grafting thereto a styrene monomer and/or an unsaturated carboxylic acid monomer, the lubricant having a hexane extraction of not more than 65% by weight. The toner exhibits release properties at a lower temperature and thereby has satisfactory anti-offset properties without impairing powder fluidity and anti-blocking properties. It provides a toner image resistant against scratches by a peeling claw of a fixing roll part and against rub-of.
REFERENCES:
patent: 5518848 (1996-05-01), Ito et al.
patent: 5650254 (1997-07-01), Eguchi et al.
Derwent Abstract of JP 63-191817: No. 88-261827/37 (1988).
Patent & Trademark Office English-Language Translation of JP 63-191817 (Pub Aug. 1988).
Chiang, R Journal of Polymer Science, vol. XXXVI pp. 91-103 (1959).
Japanese Industrial Standard JIS K2207, English-Language Version, Published by Japanese Standards Association (Nov. 1996).
Aoki Takayoshi
Eguchi Atsuhiko
Kigami Takeo
Sakai Hideki
Suzuki Chiaki
Dote Janis L.
Fuji 'Xerox Co., Ltd.
Mitsui Chemicals Inc.
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