Electrostatic image developing toner, electrostatic image developer, image forming method, image forming apparatus and printed matter

1. An electrostatic image developing toner comprising:

a binder resin;

an amide ester represented by formula (1):

wherein R 1 CO— and R 2 CO— each independently represents a saturated or unsaturated acyl group having a carbon number of 16 to 24, which may have a hydroxyl, group,

R 3 represents a linear or branched alkyl group having a carbon number of 1 to 3,

R 4 represents a linear or branched alkylene group having a carbon number of 1 to 6 or a linear or branched alkenylene group having a carbon number of 2 to 6; and

an amount of the amide ester represented by formula (1) is from 10 to 60 wt % based on a total weight of the toner.

2. The electrostatic image developing toner according to claim 1 , wherein the binder resin is a polyester resin.

3. The electrostatic image developing toner according to claim 2 ,

wherein the polyester resin has a weight average molecular weight of from about 1,500 to about 60,000.

4. The electrostatic image developing toner according to claim 1 , wherein the binder resin is an addition polymerization-type resin.

5. The electrostatic image developing toner according to claim 4 ,

wherein the addition polymerization-type resin has a glass transition temperature of from about 50 to about 70° C.

6. The electrostatic image developing toner according to claim 4 ,

wherein the addition polymerization-type resin has a weight average molecular weight of from about 5,000 to about 50,000.

7. The electrostatic image developing toner according to claim 4 ,

wherein the addition polymerization-type resin is a crosslinked resin formed by adding a crosslinking agent.

8. The electrostatic image developing toner according to claim 1 , which further comprises a releasing agent.

9. The electrostatic image developing toner according to claim 8 ,

wherein an added amount of the releasing agent is from about 1 to about 20 wt % based a total weight of the toner.

10. The electrostatic image developing toner according to claim 1 , which has an accumulated volume average particle diameter D 50 of about 3.0 to about 9.0 μm.

11. The electrostatic image developing toner according to claim 1 , which has a volume average particle size distribution index GSDv of about 1.30 or less.

12. The electrostatic image developing toner according to claim 1 , which has a shape factor SF1 of from about 110 to about 140.

13. An electrostatic image developer comprising:

an electrostatic image developing toner according to claim 1 ; and

a carrier.

14. The electrostatic image developer according to claim 13 ,

wherein the carrier is coated with a resin.

15. An image forming method comprising:

foaming an electrostatic latent image on a surface of a latent image-holding member;

developing the electrostatic latent image formed on the surface of the latent image-holding member with a toner-containing developer to form a toner image;

transferring the toner image formed on the surface of the latent image-holding member to a surface of a transferee member; and

heat-fixing the toner image transferred to the surface of the transferee member,

wherein the toner is an electrostatic image developing toner according to claim 1 .

16. An image forming apparatus comprising:

a latent image carrying member;

an electrical charging unit that electrically charges the surface of the latent image carrying member;

a developing unit comprising the electrostatic image developing toner according to claim 1 ; and

a transfer unit that transfers a toner image to a recording material or an intermediate transfer material.

17. The image forming apparatus according to claim 16 , comprising a plurality of transfer units that transfer the toner image onto an intermediate transfer material or a recording material.

18. A printed matter comprising an image, the image comprising the electrostatic image developing toner according to claim 1 .