JP2015121580A5

JP2015121580A5 -

Info

Publication number: JP2015121580A5
Application number: JP2013263781A
Authority: JP
Filing date: 2013-12-20
Publication date: 2017-02-09

Description

本発明は、結晶性ポリエステル樹脂、非晶性ポリエステル樹脂、及び着色剤を含有するトナー粒子を有するトナーであって、
（１）前記結晶性ポリエステル樹脂の融点が６５℃以上９５℃以下であり、
（２）前記結晶性ポリエステル樹脂は、炭素数６以上１２以下の直鎖脂肪族ジオールを８０ｍｏｌ％以上含有したアルコール成分と、炭素数６以上１２以下の直鎖脂肪族ジカルボン酸を８０ｍｏｌ％以上含有したカルボン酸成分との重縮合物であり、
（３）前記非晶性ポリエステル樹脂は、ビスフェノールＡのプロピレンオキサイド付加物を６０ｍｏｌ％以上含有したアルコール成分と、炭素数６以上１２以下の直鎖脂肪族ジカルボン酸を１０ｍｏｌ％以上５０ｍｏｌ％以下含有したカルボン酸成分との重縮合物であることを特徴とするトナーに関する。 The present invention is a toner having toner particles containing a crystalline polyester resin, an amorphous polyester resin, and a colorant,
(1) The melting point of the crystalline polyester resin is 65 ° C. or higher and 95 ° C. or lower,
(2) The crystalline polyester resin contains 80 mol% or more of an alcohol component containing a linear aliphatic diol having 6 to 12 carbon atoms and 80 mol% or more of a linear aliphatic diol having 6 to 12 carbon atoms. a polycondensate of the carboxylic acid component,
(3) The amorphous polyester resin contains an alcohol component containing 60 mol% or more of a propylene oxide adduct of bisphenol A and a linear aliphatic dicarboxylic acid having 6 to 12 carbon atoms in an amount of 10 mol% to 50 mol%. a toner which is a polycondensate of a carboxylic acid component.

Claims

A toner having toner particles containing a crystalline polyester resin, an amorphous polyester resin, and a colorant,
(1) The melting point of the crystalline polyester resin is 65 ° C. or higher and 95 ° C. or lower,
(2) The crystalline polyester resin contains 80 mol% or more of an alcohol component containing a linear aliphatic diol having 6 to 12 carbon atoms and 80 mol% or more of a linear aliphatic diol having 6 to 12 carbon atoms. a polycondensate of the carboxylic acid component,
(3) The amorphous polyester resin contains an alcohol component containing 60 mol% or more of a propylene oxide adduct of bisphenol A and a linear aliphatic dicarboxylic acid having 6 to 12 carbon atoms in an amount of 10 mol% to 50 mol%. A toner , which is a polycondensate with a carboxylic acid component.

The crystalline polyester resin has a crystal nucleating agent site at the end of a polyester molecular chain, and the crystal nucleating agent site is a linear aliphatic monoalcohol having 10 to 30 carbon atoms and / or 11 to 31 carbon atoms. The toner according to claim 1, wherein the toner is a site derived from the following linear aliphatic monocarboxylic acid.

The toner according to claim 1, wherein the propylene oxide adduct of bisphenol A is represented by the following general formula (I).

(In the formula, x and y represent zero or a positive integer, and the sum of x and y is 1 to 16. The average value of the sum of x and y is 1.4 or more and 2.7 or less.)