Toner and developer, toner container, process cartridge, image-forming apparatus, and image ...

49 Pages·2013·4.34 MB·English

US 20060063089A1
(19) United States
(12) Patent Application Publication (10) Pub. No.: US 2006/0063089 A1
Tanaka et al. (43) Pub. Date: Mar. 23, 2006
(54) TONER AND DEVELOPER, TONER (30) Foreign Application Priority Data
CONTAINER, PROCEss CARTRIDGE,
IMAGE-FORMING APPARATUs, AND Sep. 17, 2004 (JP) .................................... .. 2004-272511
IMAGE-FORMING METHOD USING THE
SAME Publication Classi?cation
(76) Inventors: Chiaki Tanaka, Tagata-gun (JP); (51) Int. Cl.
Naohiro Watanabe, Sunto-gun (JP); G036 9/08 (2006.01)
Masahiro Ohki, NumaZu-shi (JP); (52) US. Cl. ............ .. 430/1103; 430/137.1; 430/137.15
Masahide Yamada, NumaZu-shi (JP);
Akinori Saitoh, NumaZu-shi (JP);
(57) ABSTRACT
Sonoh Matsuoka, NumaZu-shi (JP);
Ryota Inoue, NumaZu-shi (JP); Shigeru
Emoto, NumaZu-shi (JP) An object of the present invention is to provide a toner
having small-sized and potato-shaped particles created from
Correspondence Address: multiple coherent spherical particles for excellent cleaning
OBLON, SPIVAK, MCCLELLAND, MAIER & ability and high image quality, an image-forming method
NEUSTADT, RC. that realiZes high image quality using the toner, and the like.
1940 DUKE STREET To this end, there is provided a toner, Which is produced by
ALEXANDRIA, VA 22314 (US) granulating toner materials as an organic phase comprising
at least a binder resin and a colorant in an aqueous medium
(21) Appl. No.: 11/227,215 and has potato-shaped particles created from multiple coher
ent primary oil droplets of the organic phase in the aqueous
(22) Filed: Sep. 16, 2005 medium.
Patent Application Publication Mar. 23, 2006 Sheet 1 0f 11 US 2006/0063089 A1
FIG. 1A
Patent Application Publication Mar. 23, 2006 Sheet 2 0f 11 US 2006/0063089 A1
FIG. 2
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FIG. 3A
Patent Application Publication Mar. 23, 2006 Sheet 3 of 11 US 2006/0063089 A1
FIG. 3B
Convergence
FIG. 4
Removal of'
solvent
Patent Application Publication Mar. 23, 2006 Sheet 4 0f 11 US 2006/0063089 A1
FIG. 5
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Patent Application Publication Mar. 23, 2006 Sheet 5 0f 11 US 2006/0063089 A1
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Patent Application Publication Mar. 23, 2006 Sheet 6 0f 11 US 2006/0063089 A1
FIG. 7
Patent Application Publication Mar. 23, 2006 Sheet 7 0f 11 US 2006/0063089 A1
FIG. 8
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Patent Application Publication Mar. 23, 2006 Sheet 8 0f 11 US 2006/0063089 A1
Patent Application Publication Mar. 23, 2006 Sheet 9 0f 11 US 2006/0063089 A1
FIG. 10
FIG.11A