Toner and two-component developer
First Claim
Patent Images
1. A toner comprising toner particles each comprising:
- a binder resin containing a polyester α
as a main component thereof, said polyester α
comprising a polyvalent carboxylic acid unit and a polyhydric alcohol unit comprising a polyhydric alcohol unit N derived from an alkylene oxide adduct of a novolac type phenol resin;
a colorant;
a wax; and
a crystalline polyester obtained by subjecting a monomer composition to a condensation polymerization reaction, the monomer composition comprising (i) a monovalent carboxylic acid monomer, (ii) an aliphatic diol having 2 to 22 carbon atoms, and (iii) an aliphatic dicarboxylic acid having 2 to 22 carbon atoms, whereinthe polyester α
comprises 0.1 to 3.0 mol % of the polyhydric alcohol unit N with respect to a total number of moles of the polyhydric alcohol unit.
1 Assignment
0 Petitions
Accused Products
Abstract
Provided is a toner, including toner particles each containing a binder resin containing a polyester α as a main component, a colorant, a wax, and a crystalline polyester, in which: the polyester α has a polyhydric alcohol unit and a polyvalent carboxylic acid unit; and the polyester α has, as the polyhydric alcohol unit, a polyhydric alcohol unit N derived from an alkylene oxide adduct of a novolac type phenol resin.
-
Citations
6 Claims
-
1. A toner comprising toner particles each comprising:
-
a binder resin containing a polyester α
as a main component thereof, said polyester α
comprising a polyvalent carboxylic acid unit and a polyhydric alcohol unit comprising a polyhydric alcohol unit N derived from an alkylene oxide adduct of a novolac type phenol resin;a colorant; a wax; and a crystalline polyester obtained by subjecting a monomer composition to a condensation polymerization reaction, the monomer composition comprising (i) a monovalent carboxylic acid monomer, (ii) an aliphatic diol having 2 to 22 carbon atoms, and (iii) an aliphatic dicarboxylic acid having 2 to 22 carbon atoms, wherein the polyester α
comprises 0.1 to 3.0 mol % of the polyhydric alcohol unit N with respect to a total number of moles of the polyhydric alcohol unit. - View Dependent Claims (2, 3, 4, 5, 6)
-
Specification