G - Physics – 03 – G
Patent
G - Physics
03
G
400/4509, 96/51,
G03G 9/08 (2006.01) C08L 63/00 (2006.01) G03G 9/087 (2006.01)
Patent
CA 1277076
ABSTRACT OF THE INVENTION The present invention provides an electro- photographic toner, particularly with a good transferability and a good flowability, which comprises a binder resin and a coloring agent, the binder resin containing a lactone-modified epoxy resin, obtained by subjecting all or a portion of secondary hydroxyl groups of epoxy compounds having hydroxyl groups in the molecules to ring opening polymerization of lactone. The present invention further provides an electrophotographic toner with a good transferability, a good flowability and a good offset resistance and also with a fixability of transferred images, which comprises a binder resin and a coloring agent, the binder resin containing: (1) a lactone-modified epoxy resin, obtained by subjecting all or a portion of secondary hydroxyl groups of epoxy compounds having hydroxyl groups in the molecules to ring opening polymerization of lactone, (2) styrene-butadiene rubber, and (3) polyester resin.
504256
Hosaka Shigeo
Kawanishi Tsuneaki
Mori Yasuki
Narahara Toshikazu
Shimizu Ryuichi
Hitachi Ltd.
Hosaka Shigeo
Kawanishi Tsuneaki
Kirby Eades Gale Baker
Mori Yasuki
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