Printer assembly low friction roller liner
The present disclosure relates to a low friction roller liner for a printer assembly that may include a core layer, a first outer layer overlying a first surface of the core layer, a second outer layer overlying the first outer layer, a first inner layer overlying a second surface of the core layer that is opposite of the first surface of the core layer, and a second inner layer overlying the first inner layer. The first outer layer and the first inner layer may include a fluoropolymer material and may have a melt flow rate of at least about 2 g/10 min at 372° C. The second outer layer and the second inner layer may include a fluoropolymer material distinct from the fluoropolymer material of the first outer layer and may have a surface coefficient of friction of not greater than about 0.2.
1. A low friction roller liner for a printer assembly, wherein the low friction roller liner comprises:
a core layer comprising a polyimide material;
a first outer layer overlying a first surface of the core layer, wherein the first outer layer comprises a fluoropolymer material, and wherein the first outer layer has a melt flow rate of at least about 2 g/10 min at 372° C.;
a second outer layer overlying the first outer layer, wherein the second outer layer comprises a fluoropolymer material distinct from the fluoropolymer material of the first outer layer and wherein the first outer layer has a surface coefficient of friction of not greater than about 0.2;
a first inner layer overlying a second surface of the core layer, wherein the second surface is opposite of the first surface, wherein the first inner layer comprises a fluoropolymer material, and wherein the first inner layer has a melt flow rate of at least about 2 g/10 min at 372° C.; and
a second inner layer overlying the first inner layer, wherein the second inner layer comprises a fluoropolymer material distinct from the fluoropolymer material of the first inner layer and wherein the first inner layer has a surface coefficient of friction of not greater than about 0.2.
2. The low friction roller liner of claim 1 , wherein the first outer layer comprises at least one of a fluorinated ethylene propylene material, a perfluoroalkoxy alkane material, a modified PTFE material, or a combination thereof.
3. The low friction roller liner of claim 1 , wherein the second outer layer comprises a polytetrafluoroethylene material or a mixture of a polytetrafluoroethylene material and a fluorinated ethylene propylene material, a perfluoroalkoxy alkane material, a modified PTFE material.
4. The low friction roller liner of claim 1 , wherein the first inner layer comprises at least one of a fluorinated ethylene propylene material, a perfluoroalkoxy alkane material, a modified PTFE material, or a combination thereof.
5. The low friction roller liner of claim 1 , wherein the second inner layer comprises a polytetrafluoroethylene material or a mixture of a polytetrafluoroethylene material and a fluorinated ethylene propylene material, a perfluoroalkoxy alkane material, a modified PTFE material.
6. The low friction roller liner of claim 1 , further comprising a wear rating of at least about 32,000, where the wear rating is equal to the number of rotations completed before failure in a Tribometer Test and failure is defined as a 50% increase in COF versus steady-state value during the Tribometer test.
7. The low friction roller liner of claim 1 , further comprising a first outer layer thickness ratio FOL T /CL T of at least about 0.02 and not greater than about 0.4, where FOL T is equal to the thickness of the first outer layer and CL T is equal to the thickness of the core layer.
8. The low friction roller liner of claim 1 , further comprising a second outer layer thickness ratio SOL T /CL T of at least about 0.02 and not greater than about 0.4, where SOL T is equal to the thickness of the second outer layer and CL T is equal to the thickness of the core layer.
9. The low friction roller liner of claim 1 , further comprising a first inner layer thickness ratio FIL T /CL T of at least about 0.02 and not greater than about 0.4, where FIL T is equal to the thickness of the first inner layer and CL T is equal to the thickness of the core layer, and a second inner layer thickness ratio SIL T /CL T of at least about 0.02 and not greater than about 0.4, where SIL T is equal to the thickness of the second inner layer and CL T is equal to the thickness of the core layer.
10. A low friction roller liner for a printer assembly, wherein the low friction roller liner comprises:
a core layer comprising a polyimide material;
a first outer layer overlying a first surface of the core layer, wherein the first outer layer comprises at least one of a fluorinated ethylene propylene material, a perfluoroalkoxy alkane material, a modified PTFE material, or a combination thereof;
a second outer layer overlying the first outer layer, wherein the second outer layer comprises a polytetrafluoroethylene material or a mixture of a polytetrafluoroethylene material and a fluorinated ethylene propylene material, a perfluoroalkoxy alkane material, a modified PTFE material;
a first inner layer overlying a second surface of the core layer, wherein the second surface is opposite of the first surface, wherein the first inner layer comprises at least one of a fluorinated ethylene propylene material, a perfluoroalkoxy alkane material, a modified PTFE material, or a combination thereof; and
a second inner layer overlying the first inner layer, wherein the second inner layer comprises a polytetrafluoroethylene material or a mixture of a polytetrafluoroethylene material and a fluorinated ethylene propylene material, a perfluoroalkoxy alkane material, a modified PTFE material.
11. The low friction roller liner of claim 10 , wherein the first outer layer has a melt flow rate of at least about 2 g/10 min at 372° C.
12. The low friction roller liner of claim 10 , wherein the first outer layer has a surface coefficient of friction of not greater than about 0.2.
13. The low friction roller liner of claim 10 , wherein the first inner layer has a melt flow rate of at least about 2 g/10 min at 372° C.
14. The low friction roller liner of claim 10 , wherein the first inner layer has a surface coefficient of friction of not greater than about 0.2.
15. The low friction roller liner of claim 10 , further comprising a wear rating of at least about 32,000, where the wear rating is equal to the number of rotations completed before failure in a Tribometer Test and failure is defined as a 50% increase in COF versus steady-state value during the Tribometer test.
16. The low friction roller liner of claim 10 , further comprising a first outer layer thickness ratio FOL T /CL T of at least about 0.02 and not greater than about 0.4, where FOL T is equal to the thickness of the first outer layer and CL T is equal to the thickness of the core layer.
17. The low friction roller liner of claim 10 , further comprising a second outer layer thickness ratio SOL T /CL T of at least about 0.02 and not greater than about 0.4, where SOL T is equal to the thickness of the second outer layer and CL T is equal to the thickness of the core layer.
18. The low friction roller liner of claim 10 , further comprising a first inner layer thickness ratio FIL T /CL T of at least about 0.02 and not greater than about 0.4, where FIL T is equal to the thickness of the first inner layer and CL T is equal to the thickness of the core layer, and a second inner layer thickness ratio SIL T /CL T of at least about 0.02 and not greater than about 0.4, where SIL T is equal to the thickness of the second inner layer and CL T is equal to the thickness of the core layer.
19. A printer assembly comprising:
a printer fuser printer roller; and a free belt slip printer roller comprising low friction roller liner, wherein the low friction roller liner comprises:
a core layer comprising a polyimide material;
a first outer layer overlying a first surface of the core layer, wherein the first outer layer comprises a fluoropolymer material, and wherein the first outer layer has a melt flow rate of at least about 2 g/10 min at 372° C.;
a second outer layer overlying the first outer layer, wherein the second outer layer comprises a fluoropolymer material distinct from the fluoropolymer material of the first outer layer and wherein the first outer layer has a surface coefficient of friction of not greater than about 0.2;
a first inner layer overlying a second surface of the core layer, wherein the second surface is opposite of the first surface, wherein the first inner layer comprises a fluoropolymer material, and wherein the first inner layer has a melt flow rate of at least about 2 g/10 min at 372° C.; and
a second inner layer overlying the first inner layer, wherein the second inner layer comprises a fluoropolymer material distinct from the fluoropolymer material of the first inner layer and wherein the first inner layer has a surface coefficient of friction of not greater than about 0.2.
20. The printer assembly of claim 19 , wherein the first outer layer comprises at least one of a fluorinated ethylene propylene material, a perfluoroalkoxy alkane material, a modified PTFE material, or a combination thereof.