Fuser member having fluorocarbon outer layer
View Patent ↗A fuser member having a polyimide substrate, and thereover, an outer layer with from about 61 to about 99 volume percent fluorocarbon.
1. A fuser member comprising a polyimide substrate, and thereover, an outer layer comprising from about 61 to about 99 volume percent fluorocarbon, and from about 1 to 39 percent by volume of a first filler selected from the group consisting of polyimides and polyamides.
2. The fuser member of claim 1 , wherein said fluorocarbon is present in said outer layer in an amount of from about 70 to about 95 percent by volume.
3. The fuser member of claim 2 , wherein said fluorocarbon is present in said outer layer in an amount of from about 80 to about 91 percent by volume.
4. The fuser member of claim 1 , wherein said fluorocarbon is selected from the group consisting of polytetrafluoroethylene, fluorinated ethylenepropylene copolymer, polyfluoroalkoxy, perfluoroalkoxy polytetrafluoroethylene, ethylene chlorotrifluoro ethylene, ethylene tetrafluoroethylene, polytetrafluoroethylene perfluoromethylvinylether copolymer, polymers thereof, powder fillers thereof, and powder filler mixtures thereof.
5. The fuser member of claim 4 , wherein said fluorocarbon is perfluoroalkoxy.
6. The fuser member of claim 1 , wherein said first filler is present in said outer layer in an amount of from about 5 to about 30 percent by volume.
7. The fuser member of claim 6 , wherein said first filler is present in said outer layer in an amount of from about 9 to about 20 percent by volume.
8. The fuser member of claim 1 , wherein said first filler is a polyimide selected from the group consisting of aromatic polyimides, polyamideimide, polyetherimide, siloxane polyetherimide block copolymers, and mixtures thereof.
9. The fuser member of claim 8 , wherein said polyimide is a polyamideimide.
10. The fuser member of claim 1 , wherein said fluorocarbon outer layer comprises a second filler, wherein said second filler is different than said first filler.
11. The fuser member of claim 10 , wherein said second filler is selected from the group consisting of carbon fillers, metal fillers, ceramic fillers, metal oxide fillers, doped metal oxide fillers, polymers fillers, and mixtures thereof.
12. The fuser member of claim 11 , wherein said second filler is barium sulfate.
13. The fuser member of claim 1 , wherein said substrate comprises a filler.
14. The fuser member of claim 1 , further comprising an outer release layer provided on said fluorocarbon outer layer.
15. The fuser member of claim 14 , wherein said outer release layer comprises a material selected from the group consisting of fluoropolymers, silicone rubbers, urethanes, acrylics, titamers, creamers, hydrofluoroelastomers, and mixtures thereof.
16. The fuser member of claim 1 , wherein an intermediate layer is positioned between said polyimide substrate and said fluorocarbon outer layer.
17. The fuser member of claim 1 , wherein said substrate is a pressure belt.
18. A fuser member comprising a polyimide substrate, and thereover, an outer layer comprising from about 1 to about 39 volume percent polyimide and from about 61 to about 99 volume percent perfluoroalkoxy.
19. 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 toner to said charge-retentive surface to develop an electrostatic latent image to form a developed image on said charge retentive surface;
a transfer film component to transfer the developed image from said charge retentive surface to a copy substrate; and
a fuser member and fuser member for fusing toner images to a surface of said copy substrate, wherein said fuser member comprises a polyimide substrate, and thereover, an outer layer comprising from about 61 to about 99 volume percent fluorocarbon, and from about 1 to about 39 percent by volume of a first filler selected from the group consisting of polyimides and polyamides.