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US 12,405,543 B2Granted
Toner
AssigneeCanon Kabushiki Kaisha
InventorsHirofumi Kyuushima, Takayuki Toyoda, Naoya Isono, Tomoya Nagaoka, Masao Suzuki
Life of this patent
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Abstract
A toner comprising a toner particle comprising a binder resin, wherein the toner particle further comprises a compound represented by a following formula (1) and a pigment having a quinacridone structure; where, in the formula (1), R represents a linear or branched alkyl group having 4 to 22 carbon atoms, and n is an integer of 1 to 4.
Claims8
A toner, comprising:
- a toner particle comprising a binder resin, a pigment having a quinacridone structure, and a compound represented by formula (1)
- when R represents a linear or branched alkyl group having 8 to 18 carbon atoms, and n is an integer of 1 or 2, wherein
- an amount of the compound represented by formula (1) in the toner is 5 to 500 ppm on a mass basis, and
- the toner has a storage elastic modulus at 100° C. in a viscoelasticity measurement of 5,000 to 25,000 Pa.
1 more element
Dependencies are inferred from the claim text.