RELEASE FLUID ADDITIVES

• US 20190316001A1
• Filed: 04/13/2018
• Published: 10/17/2019
• Est. Priority Date: 04/13/2018
• Status: Abandoned Application

• Current Assignee: Xerox Corporation (Xerox Holdings Corp.)
• Original Assignee: Xerox Corporation (Xerox Holdings Corp.)
• Inventors: Sambhy, Varun, Badesha, Santokh S., Klymachyov, Alexander N., Derleth, David S., Arnould, Mark A., Lambie, John R.
• Application Number:
  US15/952,908
• Publication Number:
  US 20190316001A1
• Time in Patent Office: Days
• CPC Class Codes: C08G 77/16 to hydroxyl groups
• CPC Class Codes: C08G 77/26 nitrogen-containing groups
• CPC Class Codes: C08K 5/544 containing nitrogen
• CPC Class Codes: C08L 83/00 Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 83/06 containing silicon bound to oxygen-containing groups C08L83/12 takes precedence
• CPC Class Codes: C08L 83/08 containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
• CPC Class Codes: C09D 183/00 Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
• CPC Class Codes: C09D 183/08 containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
• CPC Class Codes: C09D 183/14 in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms C09D183/10 takes precedence
• CPC Class Codes: C09J 183/08 containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
• CPC Class Codes: G03G 15/2057 relating to the chemical composition of the heat element and layers thereof

Abstract

Disclosed herein is a release fluid, a fuser member and an image forming apparatus. The release fluid includes an amino functional fluid and a hindered amine stabilizer. The hindered amine stabilizer has the following structure:

wherein q is an integer between 1 and 100.

Claims

1. A fuser member comprising a substrate;

an outer layer covering the substrate; and

a release coating on the outer layer comprising a release fluid for coating the outer layer, the release fluid further comprising a hindered amine stabilizer having a structure;

2. The fuser member according to claim 1, wherein the release fluid comprises a blend of an amino functional silicone fluid and a non-functional silicone fluid wherein the amino silicone functional fluid is represented by:

3. The fuser member of claim 2, wherein the outer layer is selected from the group consisting of:

a silicone elastomer, a fluorosilicone elastomer, a fluoroelastomer, a fluorinated hydrocarbon polymer, a fluorinated hydrocarbon and silicone polymer blend, silicone copolymers, and crosslinked blends of fluorinated hydrocarbon copolymers and silicone copolymers.

4. The fuser member of claim 1, wherein the fuser member substrate is in the form of a belt or a roller.

5. The fuser member of claim 1, further comprising an intermediate layer disposed between the substrate and the outer layer.

6. The fuser member of claim 5, wherein the intermediate layer comprises silicone rubber.

7. The fuser member of claim 1, wherein an amount of hindered amine stabilizer in the release fluid is less than or equal to 1000 parts per million (ppm) of the release fluid.

8. A release fluid comprising:

an amino functional fluid; and

a hindered amine stabilizer having a structure;

9. The release fluid of claim 8, wherein the amino functional fluid is a blend of an amino functional silicone fluid and a non-functional silicone fluid wherein the amino silicone functional fluid is represented by:

10. The release fluid of claim 8, wherein an amount of hindered amine stabilizer in the release fluid is less than or equal to 1000 parts per million (ppm) of the release fluid.

11. An image forming apparatus comprising:

a photoreceptor having a photosensitive layer;

a charging device which charges the photoreceptor;

an exposure device which exposes the charged photoreceptor to light, thereby forming an electrostatic latent image on a surface of the photoreceptor;

a developer stations for developing a toner image on a surface of the photoreceptor;

at least one transfer device for transferring the toner image to a recording medium;

a fuser station for fixing the toner images transferred to the recording medium, onto the recording medium by heating the recording medium, thereby forming a fused image on the recording medium;

wherein the fuser station comprises;

a fuser member, a pressure member and a release fluid in combination with said fuser member, wherein said release fluid comprises an amino functional fluid; and

a hindered amine stabilizer having a structure

12. The image forming apparatus of claim 11, wherein the amino functional fluid is a blend of an amino functional silicone fluid and a non-functional silicone fluid wherein the amino silicone functional fluid is represented by:

13. The image forming apparatus of claim 11, wherein the fuser member comprises:

a substrate;

an outer layer covering the substrate; and

the release fluid on the outer layer.

14. The image forming apparatus of claim 13, wherein the outer layer is selected from the group consisting of:

a silicone elastomer, a fluorosilicone elastomer, a fluoroelastomer, a fluorinated hydrocarbon polymer, a fluorinated hydrocarbon and silicone polymer blend, silicone copolymers, and crosslinked blends of fluorinated hydrocarbon copolymers and silicone copolymers.

15. A fuser member comprising a substrate;

an outer layer covering the substrate, the outer layer comprising fluoroelastomer; and

a release coating on the outer layer comprising a release fluid for coating the outer layer, the release fluid further comprising a hindered amine stabilizer having a structure;

16. The image forming apparatus of claim 15, wherein the release fluid is a blend of an amino functional silicone fluid and a non-functional silicone fluid wherein the amino silicone functional fluid is represented by:

17. The fuser member of claim 15, wherein the fuser member substrate is in the form of a belt or a roller.

18. The fuser member of claim 15, further comprising an intermediate layer positioned between the substrate and the outer layer.

19. The fuser member of claim 18, wherein the intermediate layer comprises silicone rubber.

20. The fuser member of claim 15, wherein an amount of hindered amine stabilizer in the release fluid is less than or equal to 1000 parts per million (ppm) of the release fluid.