JP2007133216A5

JP2007133216A5 -

Info

Publication number: JP2007133216A5
Application number: JP2005327287A
Authority: JP
Filing date: 2005-11-11
Publication date: 2008-12-25
Anticipated expiration: 2025-11-11

Claims

At least 1) a unit A having a structure represented by the following general formula (1) or (2) or (3);
2) Unit B having a carboxyl group, and 3) Unit C derived from an aromatic vinyl monomer.
A copolymer comprising
The content ratio based on the number of units of unit A in the copolymer is:
Unit A: Other units = 1: 99 to 15:85
Because
The content ratio based on the number of units of unit B in the copolymer is:
Unit B: Other units = 0.05: 99.95 to 8.00: 92.00
Resin for toner characterized by the above-mentioned.

(Wherein R1 to 4 independently represent a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 12 carbon atoms, an aryl group or an alkoxy group, R5 represents an alkyl group having 1 to 12 carbon atoms or an aryl group, and A1 represents (Represents an amide bond, urethane bond, urea bond, ester bond, or ether bond.)

(Wherein R6 to 9 independently represent a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 12 carbon atoms, an aryl group, or an alkoxy group, and adjacent to each other represent a 5-membered or 6-membered aromatic ring. R10 represents an alkyl group having 1 to 12 carbon atoms or an aryl group, and A2 represents an amide bond, a urethane bond, a urea bond, an ester bond, or an ether bond.

(Wherein R11 to 16 independently represent a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 12 carbon atoms, an aryl group, or an alkoxy group, and adjacent to each other are 5-membered or 6-membered aromatic rings. R10 represents an alkyl group having 1 to 12 carbon atoms or an aryl group, and A3 represents an amide bond, a urethane bond, a urea bond, an ester bond or an ether bond.

2. The copolymer according to claim 1, wherein the copolymer is a copolymer obtained by copolymerizing at least a monomer represented by the following formula (4), (meth) acrylic acid, and styrene. Resin for toner.

(In the formula, R18 represents a hydrogen atom or a methyl group, and B is represented by the following formula (5) or (6) or (7).)

(In the formula, R19 to 22 independently represent a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 12 carbon atoms, an aryl group or an alkoxy group, R23 represents an alkyl group having 1 to 12 carbon atoms or an aryl group, and A4 represents (Represents an amide bond, urethane bond, urea bond, ester bond, or ether bond.)

(In the formula, R24 to 27 independently represent a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 12 carbon atoms, an aryl group, or an alkoxy group, and adjacent to each other are 5-membered or 6-membered aromatic rings. R28 represents an alkyl group having 1 to 12 carbon atoms or an aryl group, and A5 represents an amide bond, a urethane bond, a urea bond, an ester bond or an ether bond.

(In the formula, R29 to 34 each independently represents a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 12 carbon atoms, an aryl group, or an alkoxy group, and adjacent to each other are 5-membered or 6-membered aromatic rings. R35 may represent an alkyl group having 1 to 12 carbon atoms or an aryl group, and A6 represents an amide bond, urethane bond, urea bond, ester bond or ether bond.)

3. The resin for toner according to claim 1, wherein the copolymer has a weight average molecular weight calculated by gel permeation chromatography in the range of 2000 to 200000. 4.

The weight average molecular weight (Mw) and number average molecular weight (Mn) calculated by gel permeation chromatography of the copolymer are such that Mw / Mn is in the range of 1.0 to 6.0. The toner resin according to any one of 1 to 3.

5. The resin for toner according to claim 1, wherein the copolymer has a glass transition point in a range of 45 ° C. to 90 ° C. in a DSC curve measured by a differential scanning calorimeter. .

6. The toner resin according to claim 1, wherein the copolymer has an acid value of 3.0 to 40.0 mg KOH / g.

The copolymer is a copolymer obtained by copolymerizing at least a monomer represented by the formula (3), (meth) acrylic acid, styrene, and a monomer represented by the following formula (8). The toner resin according to claim 1, wherein the toner resin is a toner resin.

(In the formula, R36 represents a hydrogen atom or a methyl group, R37 represents an alkyl group having 1 to 20 carbon atoms which may have a substituent, and the substituent includes a hydroxyl group, a methoxy group, an ethoxy group, and an acetyl group. An amino group.)

At least a binder resin, a colorant, and the toner which is characterized by having toner particles containing a toner resin according to any one of claims 1 to 7.

The toner according to claim 8, wherein the content of the toner resin, characterized in that said 0.1 to 2 0 mass part of the binder resin 10 0 mass part.

The toner according to claim 8 or 9, characterized in that having toner particles were formed by a manufacturing method having a step of dispersing a composition comprising the toner resin in an aqueous medium.

A two-component developer comprising at least a toner and a carrier, wherein the toner is the toner according to any one of claims 8 to 10 .