JP2017134367A5

JP2017134367A5 -

Info

Publication number: JP2017134367A5
Application number: JP2016016487A
Authority: JP
Filing date: 2016-01-29
Publication date: 2019-03-07
Anticipated expiration: 2036-01-29

Description

本発明は、下記式（２）で表される化合物、下記式（３）で表される化合物および下記式（４）で表される化合物からなる群より選択される少なくとも１種類のケイ素化合物Ａと、
粒子状のトナー粒子前駆体と、
水系媒体と
を含む混合液を調製する工程（Ａ）；
前記工程（Ａ）を経た後、前記混合液中の前記ケイ素化合物Ａの少なくとも一部を縮合させる工程（Ｂ）；
前記工程（Ｂ）を経た後、前記混合液中に、下記式（１）で表されるケイ素化合物Ｂを存在させる工程（Ｃ）；および
前記工程（Ｃ）を経た後、前記混合液中の前記ケイ素化合物Ｂの少なくとも一部を縮合させる工程（Ｄ）；
を有するトナー粒子の製造方法であって、
前記工程（Ｃ）を経る前の前記混合液中における前記ケイ素化合物Ｂおよび前記ケイ素化合物Ｂの加水分解物の合計の含有量が、前記ケイ素化合物Ａおよび前記ケイ素化合物Ａの加水分解物の合計の含有量に対して１．０モル％以下である
ことを特徴とするトナー粒子の製造方法。 The present invention provides at least one silicon compound A selected from the group consisting of a compound represented by the following formula (2) , a compound represented by the following formula (3) , and a compound represented by the following formula (4). When,
A particulate toner particle precursor;
A step of preparing a mixed solution containing an aqueous medium (A);
After passing through the step of (A), the step of condensing at least a portion of the silicon compound A in the mixed liquid (B);
After the above-mentioned step (B), wherein the mixed solution, step (C) the presence of a silicon compound B represented by the following formula (1); after a and the step (C), the mixed solution A step (D) of condensing at least a part of the silicon compound B;
A method for producing toner particles comprising:
The total content of the hydrolyzate of the silicon compound B and the silicon compound B in the liquid mixture prior to passing through the step (C) is a total of the silicon compound A and hydrolyzate of the silicon compound A A method for producing toner particles, wherein the content is 1.0 mol% or less based on the content .

Claims

At least one silicon compound A selected from the group consisting of a compound represented by the following formula (2) , a compound represented by the following formula (3) and a compound represented by the following formula (4);
A particulate toner particle precursor;
A step of preparing a mixed solution containing an aqueous medium (A);
After passing through the step of (A), the step of condensing at least a portion of the silicon compound A in the mixed liquid (B);
After the above-mentioned step (B), wherein the mixed solution, step (C) the presence of a silicon compound B represented by the following formula (1); after a and the step (C), the mixed solution A step (D) of condensing at least a part of the silicon compound B;
A method for producing toner particles comprising:
The total content of the hydrolyzate of the silicon compound B and the silicon compound B in the liquid mixture prior to passing through the step (C) is a total of the silicon compound A and hydrolyzate of the silicon compound A A method for producing toner particles, wherein the content is 1.0 mol% or less based on the content .

(In the formulas (1) to (4) , R ^a , R ^b , R ^c , R ^d , R ^e and R ^f are each independently an alkyl group, an alkenyl group, an acryloxyalkyl group, a methacryloxyalkyl group. Or an aryl group, and R ¹ , R ² , R ³ , R ⁴ , R ⁵ , R ⁶ , R ⁷ , R ⁸ , R ⁹ and R ¹⁰ are each independently a halogen atom, a hydroxy group or an alkoxy group .)

The method for producing toner particles according to claim 1, wherein in at least one of the step (B) and the step (D), the pH of the mixed solution is set to 4.0 or more and 10.0 or less.

The silicon compound A is the formula (3) compounds represented by or a compound represented by the formula (4), the manufacturing method of the toner particles according to claim 1 or 2.

The method for producing toner particles according to claim 3, wherein the silicon compound A is a compound represented by the formula (3).

R ^f before following formula (3) is replaced by a phenyl group or a number of 1 to 6. The alkyl group having a carbon manufacturing method of the toner particles of claim 4.

In at least one of said steps (B) and the step (D), the mixed solution to 80 ° C. or higher 105 ° C. or less the temperature of the manufacturing method of the toner particles according to any one of claims 1 to 5.

The silicon compound B is, the a compound represented by formula ^{(1), R a, R} b and R ^c are each independently an alkyl group having 3 to 10 carbon atoms, claim 1 method for producing toner particles according to any one of 6.