# US 8,771,913 B1 · Cardanol derivatives in polyester toner resins

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- Number: US 8,771,913 B1
- Document ID: US8771913B1
- Status: Granted
- Kind: B1
- Application number: 13/718,606
- Filed: 2012-12-18
- Published: 2014-06-19
- Granted: 2014-07-08
- Earliest claimed: 2012-12-18
- Assignees: Xerox Corporation
- Applicants: Xerox Corporation
- Inventors: Jordan H Wosnick; Guerino G Sacripante; Ke Zhou; Edward G Zwartz; Michael S Hawkins
- Web page: https://patentgrep.com/patent/US8771913B1

## CPC

- G03G 9/08: with toner particles
- G03G 9/0804: {whereby the components are brought together in a liquid dispersing medium}
- G03G 9/08755: {Polyesters}
- G03G 9/08795: {characterised by their chemical properties, e.g. acidity, molecular weight, sensitivity to reactants}
- G03G 9/08797: {characterised by their physical properties, e.g. viscosity, solubility, melting temperature, softening temperature, glass transition temperature}
- G03G 9/09328: {obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds}
- G03G 9/09392: {Preparation thereof}
- G03G: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY

## Abstract

The present disclosure provides a polyester toner resin comprising a polyhydroxylated cardanol derivative, that may be used in manufacturing an emulsion aggregation (EA) toner for imaging devices.

## Claims

### Claim 1

A polyester toner resin comprising a polyester polymer consisting of an alcohol monomer and an acid monomer, wherein said alcohol monomer comprises a cardanol derivative.

### Claim 2 (depends on 1)

The toner resin of claim 1, comprising an additional polyol.

### Claim 3 (depends on 1)

The toner resin of claim 1, comprising a Ts from about 90° C. to about 150° C.

### Claim 4 (depends on 1)

The toner resin of claim 1, comprising a Tg(on) from about 0° C. to about 120° C.

### Claim 5 (depends on 1)

The toner resin of claim 1, comprising an Mn from about 1,000 to about 50,000.

### Claim 6 (depends on 1)

The toner resin of claim 1, comprising an Mw from about 2,000 to about 100,000.

### Claim 7 (depends on 1)

The toner resin of claim 1, comprising an acid value from about 2 to about 30.

### Claim 8 (depends on 1)

The toner resin of claim 1, comprising at least 30% by mole of cardanol derivative.

### Claim 9 (depends on 1)

The toner resin of claim 1, comprising an amorphous resin.

### Claim 10 (depends on 1)

The toner resin of claim 1, comprising a crystalline resin.

### Claim 11 (depends on 10)

The toner resin of claim 10, wherein said crystalline resin comprising a melting point of from about 30° C. to about 120° C.

### Claim 12 (depends on 1)

The toner resin of claim 1, comprising a PDI from about 2 to about 8.

### Claim 13 (depends on 1)

A toner particle comprising the resin of claim 1.

### Claim 14 (depends on 13)

The toner particle of claim 13, further comprising at least one amorphous resin, an option crystalline resin, an optional was and an optional colorant.

### Claim 15 (depends on 13)

The toner particle of claim 13, comprising at least two amorphous resins.

### Claim 16 (depends on 15)

The toner particle of claim 15, wherein a first amorphous resin is a low molecular weight resin and the second amorphous resin is a high molecular weight resin.

### Claim 17 (depends on 13)

The toner particle of claim 13, comprising at least one colorant.

### Claim 18 (depends on 13)

The toner particle of claim 13, comprising an emulsion/aggregation toner.

### Claim 19 (depends on 13)

The toner particle of claim 13, comprising a shell.

### Claim 20 (depends on 13)

A developer comprising the toner particle of claim 13.