Electrostatic charge image developing carrier, electrostatic charge image developer, developer cartridge, process cartridge, and image forming apparatus, image forming method

1. An electrostatic charge image developing carrier comprising:

magnetic particles; and

a coating resin layer that coats surfaces of the magnetic particles and contains a hindered amine compound,

wherein a content of the hindered amine compound is in a range of 12.9% by weight to 50% by weight with respect to a total weight of the coating resin layer.

2. The electrostatic charge image developing carrier according to claim 1 ,

wherein a molecular weight of the hindered amine compound is in a range of 400 to 4000.

3. The electrostatic charge image developing carrier according to claim 1 ,

wherein the coating resin layer has resin particles.

4. The electrostatic charge image developing carrier according to claim 1 ,

wherein the hindered amine compound has a 2,2,6,6-tetraalkyl piperidine structure and a molecular weight in a range of 400 to 4000.

5. The electrostatic charge image developing carrier according to claim 3 ,

wherein a volume average particle diameter of the resin particles is in a range of 0.1 μm to 2 μm.

6. The electrostatic charge image developing carrier according to claim 1 ,

wherein a volume intrinsic resistance of the carrier is 10 6 Ωcm to less than 10 14 Ωcm under an electric field of 10 4 V/cm.

7. The electrostatic charge image developing carrier according to claim 1 ,

wherein an average film thickness of the resin coated layer is in a range of 0.5 μm to 3 μm.

8. An electrostatic charge image developer comprising:

the carrier according to claim 1 ; and

a toner.

9. The electrostatic charge image developer according to claim 8 ,

wherein the hindered amine compound in the carrier has a molecular weight in a range of 400 to 4000.

10. A developer cartridge comprising:

a toner accommodating chamber,

wherein the electrostatic charge image developer according to claim 8 is contained in the toner accommodating chamber.

11. A process cartridge for an image forming apparatus comprising:

a developer holding member that holds and carries an electrostatic charge image developer,

wherein the developer is the electrostatic charge image developer according to claim 8 .

12. The process cartridge for an image forming apparatus according to claim 11 ,

wherein the hindered amine compound in the carrier has a molecular weight in a range of 400 to 4000.

13. An image forming apparatus comprising:

an image holding member;

a charging unit that charges a surface of the image holding member;

a latent image forming unit that forms an electrostatic latent image on the surface of the image holding member;

a developing unit that develops the electrostatic latent image formed on the surface of the image holding member using a developer so as to form a toner image; and

a transfer unit that transfers the developed toner image to a transfer medium,

wherein the developer is the electrostatic charge image developer according to claim 8 .

14. The image forming apparatus according to claim 13 ,

wherein the hindered amine compound in the carrier has a molecular weight in a range of 400 to 4000.

15. An image forming method comprising:

charging a surface of an image holding member;

forming an electrostatic latent image on the surface of the image holding member;

forming a toner image by developing the electrostatic latent image formed on the surface of the image holding member using a developer; and

transferring the developed toner image to a transfer medium,

wherein the developer is the electrostatic charge image developer according to claim 8 .

16. The image forming method according to claim 15 ,

wherein the hindered amine compound in the carrier has a molecular weight in a range of 400 to 4000.