JP2012032473A5

JP2012032473A5 -

Info

Publication number: JP2012032473A5
Application number: JP2010170062A
Authority: JP
Filing date: 2010-07-29
Publication date: 2013-09-12
Anticipated expiration: 2030-07-29

Description

すなわち、本発明は、結着樹脂及び着色剤組成物を含有するイエロートナー粒子を有するイエロートナーであって、
該着色剤組成物が、Ｃ．Ｉ．ピグメントイエロー７４を有しており、
該着色剤組成物の、ＪＩＳ（Ｋ５１０１−１７−１）（２００４年）に基づいて測定したｐＨが、６．０以上１０．０以下であり、
該着色剤組成物の、ｐＨが７．０におけるゼータ電位をζＰ（７．０）としたとき、ζＰ（７．０）が、−２００．０ｍＶ以上−５０．０ｍＶ以下であり、
該イエロートナー粒子が、更に、マグネシウム、カルシウム、バリウム、亜鉛、アルミニウム及びリンからなる群より選ばれる少なくとも１種の元素を含有し、
該イエロートナー粒子中の該元素の含有量の合計が、該イエロートナー粒子の質量基準で１０ｐｐｍ以上１００００ｐｐｍ以下である
ことを特徴とするイエロートナーである。 That is, the present invention provides a yellow toner having yellow toner particles having containing a binder resin and a colorant composition,
The colorant composition is C.I. I. And have a Pigment Yellow 74,
The colorant composition, JIS (K5101-17-1) pH was measured have groups Dzu in (2004) is, is 6.0 to 10.0,
The colorant composition, when the pH was ζP (7.0) a zeta potential in 7.0, ζP (7.0) is not less than -200.0mV -50.0mV less,
The yellow toner particles further contain magnesium, calcium, barium, zinc, at least one element selected from the group consisting of aluminum and phosphorus,
The yellow toner is characterized in that the total content of the elements in the yellow toner particles is 10 ppm or more and 10,000 ppm or less based on the mass of the yellow toner particles.

Claims

A binder resin and a colorant composition comprising a yellow toner having yellow toner particles having free,
The colorant composition is C.I. I. And have a Pigment Yellow 74,
The colorant composition, JIS (K5101-17-1) pH was measured have groups Dzu in (2004) is, is 6.0 to 10.0,
The colorant composition, when the pH was ζP (7.0) a zeta potential in 7.0, ζP (7.0) is not less than -200.0mV -50.0mV less,
The yellow toner particles further contain magnesium, calcium, barium, zinc, at least one element selected from the group consisting of aluminum and phosphorus,
A yellow toner , wherein the total content of the elements in the yellow toner particles is 10 ppm or more and 10,000 ppm or less based on the mass of the yellow toner particles.

The yellow toner particles further contain a polar resin,
The glass transition temperature of the polar resin as measured by differential scanning calorimetry (Tg) of, Ru der 80 ° C. or higher 120 ° C. or less
Yellow toner according to 請 Motomeko 1.

Of the yellow toner, tetrahydrofuran (THF) soluble matter cyclohexane in the (CHX) insoluble matter, the glass transition temperature measured by differential scanning calorimetry (Tg) of, 請 Motomeko 1 Ru der 80 ° C. or higher 120 ° C. or less Or Yellow toner according to 2.

The yellow toner particles, a polymerizable monomer composition having containing a polymerizable monomer and a coloring agent added to the aqueous medium, in aqueous medium to form particles of the polymerizable monomer composition, the the yellow toner according to any one of the polymerizable monomers Ru Oh toner particles obtained by polymerizing 請 Motomeko 1-3 contained in the particles of the polymerizable monomer composition.