A fuser member includes a surface layer comprising a fluoroelastomer-perfluoropolyether composite formed from a reaction mixture comprising a fluoroelastomer and a perfluoropolyether compound. Methods of manufacturing the fuser member and printing systems comprising the fuser member are also disclosed.
1. A fuser member comprising a surface layer, wherein the surface layer includes a fluoroelastomer-perfluoropolyether composite formed from a reaction mixture comprising a fluoroelastomer, perfluoropolyether compound, and an oxyaminosilane;
wherein the perfluoropolyether compound includes terminal oxysilane groups, and wherein the mole ratio of the oxyaminosilane to the perfluoropolyether compound is from about 2:1 to about 1:10.
2. The fuser member of claim 1 , wherein the weight ratio of fluoroelastomer to perfluoropolyether compound is from about 50:40 to about 85:5.
3. The fuser member of claim 1 , wherein the oxyaminosilane is an amino-terminated siloxane.
4. The fuser member of claim 3 , wherein the amino-terminated siloxane is an aminopropyl terminated polydimethylsiloxane.
5. The fuser member of claim 3 , wherein the amino-terminated siloxane has a molecular weight of from about 500 to about 1500.
6. The fuser member of claim 1 , wherein the surface layer further comprises a filler.
7. The fuser member of claim 6 , wherein the filler is present in an amount of from 5 to about 20 weight percent of the surface layer.
8. The fuser member of claim 6 , wherein the filler is selected from the group consisting of carbon black, iron oxide, carbon nanotubes, graphite, graphene, and carbon fibers.
9. The fuser member of claim 6 , wherein the filler has an average particle size of from about 2 nanometers to about 10 microns.
10. A method of manufacturing a fuser member surface layer, comprising:
depositing a surface layer composition upon a mold; and
curing the surface layer at an elevated temperature;
wherein the surface layer composition comprises a fluoroelastomer-perfluoropolyether composite formed from a reaction mixture comprising a fluoroelastomer, perfluoropolyether compound, and an oxyaminosilane, wherein the perfluoropolyether compound includes terminal oxysilane groups, and wherein the mole ratio of the oxyaminosilane to the perfluoropolyether compound is from about 2:1 to about 1:10.
11. The method of claim 10 , wherein the curing is conducted at a temperature of from about 400° F. to about 500° F.
12. The method of claim 10 , wherein the weight ratio of fluoroelastomer to perfluoropolyether compound is from about 50:40 to about 85:5.
13. A printing system, comprising:
a fuser member comprising a surface layer;
the surface layer includes a fluoroelastomer-perfluoropolyether composite formed from a reaction mixture comprising a fluoroelastomer, a perfluoropolyether compound, and an oxyaminosilane;
wherein the perfluoropolyether compound includes terminal oxysilane groups, and wherein the mole ratio of the oxyaminosilane to the perfluoropolyether compound is from about 2:1 to about 1:10.
14. The printing system of claim 13 , wherein the weight ratio of fluoroelastomer to perfluoropolyether compound is from about 50:40 to about 85:5.