T-type amino functional release agent for fuser members

• US 20060228567A1
• Filed: 06/05/2006
• Published: 10/12/2006
• Est. Priority Date: 06/25/2004
• Status: Abandoned Application

• Current Assignee: Xerox Corporation (Xerox Holdings Corp.)
• Original Assignee: Xerox Corporation (Xerox Holdings Corp.)
• Inventors: Klymachyov, Alexander N., Kaplan, Samuel, Gervasi, David J., Badesha, Santokh S., Wilkins, Douglas B., Gibson, George A.
• Application Number:
  US11/447,643
• Publication Number:
  US 20060228567A1
• Time in Patent Office: Days
• US Class Current: 428/447
• CPC Class Codes: C08L 83/08 containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
• CPC Class Codes: C09D 183/08 containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
• CPC Class Codes: Y10T 428/31663 As siloxane, silicone or silane

Abstract

A fuser member component to fuse the transferred developed image to the copy substrate, wherein the fuser member includes a substrate, an outer polymeric layer, and a release agent material coating on the outer polymeric layer, and the release agent material coating includes a T-type amino-functional siloxane release agent material having amino-functional groups, and the T-type amino-functional siloxane release agent material has the following Formula I:
wherein A represents —R₄—X, wherein R₄ represents an alkyl group having from about 1 to about 10 carbons, X represents —NH₂ or —NHR₅NH₂ with R₅ representing an alkyl group having from about 1 to about 10 carbons; R₁ and R₂ are the same or different and each is selected from the group consisting of an alkyl having from about 1 to about 25 carbons, an aryl having from about 4 to about 10 carbons, and an arylalkyl; R₃ is a substituted diorganosiloxane chain having from about 1 to about 500 siloxane units; b and c are numbers and are the same or different and each satisfy the conditions of 1≦b≦10 and 10≦c≦1,000, d and d′ are 2, and e and e′ are 1.

Claims

1. A fuser member comprising:

a substrate;

an outer polymeric layer; and

a release agent material coating on the outer polymeric layer, wherein the release agent material coating comprises a T-type amino-functional siloxane release agent material having amino-functional groups, wherein said T-type amino-functional siloxane release agent material has the following Formula I;

wherein A represents —

R₄—

X, wherein R₄ represents an alkyl group having from about 1 to about 10 carbons, X represents —

NH₂ or —

NHR₅NH₂ with R₅ representing an alkyl group having from about 1 to about 10 carbons;

R₁ and R₂ are the same or different and each is selected from the group consisting of an alkyl having from about 1 to about 25 carbons, an aryl having from about 4 to about 10 carbons, and an arylalkyl;

R₃ is a substituted diorganosiloxane chain having from about 1 to about 500 siloxane units;

b and c are numbers and the same or different and each satisfy the conditions of 1≦

b≦

10 and 10≦

c≦

1,000, d and d′

are 2, and e and e′

are 1.

2. A fuser member in accordance with claim 1, wherein in the Formula I, R₃ is other than a diorganosiloxane group.

3. A fuser member in accordance with claim 1, wherein in the Formula I, X represents —

NH₂, and R₄ is propyl.

4. A fuser member in accordance with claim 1, wherein in the Formula I, X represents —

NHR₅NH₂, and R₅ is propyl.

5. A fuser member in accordance with claim 1, wherein the T-type amino-functional siloxane release agent material has an amino functionality provided by aminopropyl methyl siloxy groups.

6. A fuser member in accordance with claim 1, wherein the T-type amino-functional siloxane release agent material has an amino functionality provided by N-(2-aminoethyl)-3-aminopropyl siloxy groups.

7. A fuser member in accordance with claim 1, wherein the T-type amino functional siloxane release agent material comprises trialkylsiloxy end groups.

8. A fuser member in accordance with claim 1, wherein said T-type amino functional siloxane release agent material has a viscosity of from about 100 to about 1,000 centipoise at 20°

C.

9. A fuser member in accordance with claim 1, wherein said outer polymeric layer comprises a polymer selected from the group consisting of fluoroelastomers and hydrofluoroelastomers.

10. A fuser member in accordance with claim 9, wherein said outer polymeric layer comprises a fluoroelastomer.

11. A fuser member in accordance with claim 10, wherein said fluoropolymer is a fluoroelastomer is selected from the group consisting of a) copolymers of two of vinylidene fluoride, hexafluoropropylene, and tetrafluoroethylene, b) terpolymers of vinylidene fluoride, hexafluoropropylene, and tetrafluoroethylene, and c) tetrapolymers of vinylidene fluoride, hexafluoropropylene, tetrafluoroethylene, and a cure site monomer.

12. A fuser member in accordance with claim 11, wherein the fluoroelastomer comprises about 35 weight percent of vinylidenefluoride, about 34 weight percent of hexafluoropropylene, about 29 weight percent of tetrafluoroethylene, and about 2 weight percent cure site monomer.

13. A fuser member in accordance with claim 1, further comprising an intermediate layer positioned between the substrate and the outer polymeric layer.

14. A fuser member in accordance with claim 13, wherein the intermediate layer comprises silicone rubber.

15. A fuser member comprising:

a substrate;

an outer polymeric layer comprising a fluoroelastomer; and

a release agent material coating on the outer polymeric fluoroelastomer layer, wherein the release agent material coating comprises a T-type amino functional siloxane release agent material having amino-functional groups, wherein said T-type amino functional siloxane release agent material has the following Formula I;

wherein A represents —

R₄—

X, wherein R₄ represents an alkyl group having from about 1 to about 10 carbons, X represents —

NH₂ or —

NHR₅NH₂ with R₅ representing an alkyl group having from about 1 to about 10 carbons;

R₁ and R₂ are the same or different and each is selected from the group consisting of an alkyl having from about 1 to about 25 carbons, an aryl having from about 4 to about 10 carbons, and an arylalkyl;

R₃ is a substituted diorganosiloxane chain having from about 1 to about 500 siloxane units;

b and c are numbers and are the same or different and each satisfy the conditions of 1≦

b≦

10 and 10≦

c≦

1,000, d and d′

are 2, and e and e′

are 1.

16. An image forming apparatus for forming images on a recording medium comprising:

a charge-retentive surface to receive an electrostatic latent image thereon;

a development component to apply a developer material to the charge-retentive surface to develop the electrostatic latent image to form a developed image on the charge retentive surface;

a transfer component to transfer the developed image from the charge retentive surface to a copy substrate; and

a fuser member component to fuse the transferred developed image to the copy substrate, wherein the fuser member comprises;

a substrate;

an outer polymeric layer; and

a release agent material coating on the outer polymeric layer, wherein the release agent material coating comprises a T-type amino-functional siloxane release agent material having amino-functional groups, wherein said T-type amino-functional siloxane release agent material has the following Formula I;

wherein A represents —

R₄—

X, wherein R₄ represents an alkyl group having from about 1 to about 10 carbons, X represents —

NH₂ or —

NHR₅NH₂ with R₅ representing an alkyl group having from about 1 to about 10 carbons;

R₁ and R₂ are the same or different and each is selected from the group consisting of an alkyl having from about 1 to about 25 carbons, an aryl having from about 4 to about 10 carbons, and an arylalkyl;

R₃ is a substituted diorganosiloxane chain having from about 1 to about 500 siloxane units;

b and c are numbers and are the same or different and each satisfy the conditions of 1≦

b≦

10 and 10≦

c≦

1,000, d and d′

are 2, and e and e′

are 1.

17. An image forming apparatus in accordance with claim 16, wherein the said toner is color toner.