Self-lubricating surface coating composition
View Patent ↗A bearing having a surface and a self-lubricating surface coating composition deposited on the surface, wherein the self-lubricating surface coating composition includes a curable acrylate composition having a metallic composition. The metallic composition having a metallic acrylate compound according to Formula I:
1. A self-lubricating surface coating composition comprising:
a curable acrylate composition comprising:
a metallic composition, comprising a metallic acrylate compound according to Formula I:
wherein said metallic composition further comprises a metallic oxide;
wherein said metallic oxide is selected from zinc oxide or calcium oxide; and
wherein said metallic composition comprises:
zinc monomethacrylate;
zinc dimethacrylate; and
zinc oxide.
2. A self-lubricating surface coating composition according to claim 1 , wherein said curable acrylate composition further comprises at least one of exthoxylated bisphenol A dimethacrylate, trimethacrylate acid ester, triethylene glycol dimethacrylate, ethoxylated trimethylolpropane triacrylate, or combinations thereof.
3. A self-lubricating surface coating composition according to claim 1 , comprising between about 3 mass % to about 50 mass % of said curable acrylate composition, based on the total mass of said self-lubricating surface coating composition.
4. A self-lubricating coating composition comprising:
a curable acrylate composition comprising: a metallic composition comprising zinc monomethacrylate, zinc dimethacrylate and zinc oxide; ethoxylated bisphenol A dimethacrylate; trimethacrylate acid ester; triethylene glycol dimethacrylate; and ethoxylated trimethylolpropane triacrylate;
a lubricant filler selected from polytetrafluoroethylene, copper powder, molybdenum disulfide, boron nitride powder, graphite powder or combinations thereof;
a structural filler selected from glass fiber, carbon fiber, microwool fiber or combinations thereof;
a thixotrope selected from fumed silica, fine polytetrafluoroethylene powder or combinations thereof; and
an initiator selected from benzoyl peroxide, cumene hydroperoxide, methyl ethyl ketone peroxide, or combinations thereof.
5. A self-lubricating surface coating composition according to claim 1 wherein said curable acrylate composition comprises a lubricant filler selected from polytetrafluoroethylene, copper powder, molybdenum disulfide, boron nitride powder, graphite powder or combinations thereof.
6. A self-lubricating surface coating composition according to claim 5 wherein said self-lubricating surface coating composition comprises at least 20 mass % of said lubricant filler, based on the total mass of said self-lubricating surface coating composition.
7. A self-lubricating surface coating composition according to claim 5 , wherein said lubricant filler is polytetrafluoroethylene.
8. A self-lubricating surface coating composition according to claim 7 , wherein said polytetrafluoroethylene is in powder form, flock form, or combinations thereof.
9. A self-lubricating surface coating composition according to claim 1 , wherein said curable acrylate composition comprises a structural filler selected from glass fiber, carbon fiber, microwool fiber or combinations thereof.
10. A self-lubricating surface coating composition according to claim 1 , wherein said curable acrylate composition comprises a thixotrope selected from fumed silica, fine polytetrafluoroethylene powder or combinations thereof.
11. A self-lubricating surface coating composition according to claim 1 , wherein said curable acrylate composition comprises an initiator selected from benzoyl peroxide, cumene hydroperoxide, methyl ethyl ketone peroxide, or combinations thereof.
12. A self-lubricating surface coating composition comprising:
a curable acrylate composition comprising:
a metallic composition, comprising a metallic acrylate compound according to Formula I:
wherein said metallic composition further comprises a metallic oxide;
wherein said curable acrylate composition comprises a lubricant filler selected from polytetrafluoroethylene, copper powder, molybdenum disulfide, boron nitride powder, graphite powder or combinations thereof; and
wherein said self-lubricating surface coating composition comprises at least 20 mass % of said lubricant filler, based on the total mass of said self-lubricating surface coating composition.
13. A self-lubricating surface coating composition according to claim 12 wherein said curable acrylate composition further comprises at least one of exthoxylated bisphenol A dimethacrylate, trimethacrylate acid ester, triethylene glycol dimethacrylate, ethoxylated tri methylolpropane triacrylate, or combinations thereof.
14. A self-lubricating surface coating composition according to claim 12 , wherein said metallic oxide is selected from zinc oxide or calcium oxide.
15. A self-lubricating surface coating composition according to claim 14 , wherein said metallic composition comprises:
zinc monomethacrylate;
zinc dimethacrylate; and
zinc oxide.
16. A self-lubricating surface coating composition according to claim 12 , comprising between about 3 mass % to about 50 mass % of said curable acrylate composition, based on the total mass of said self-lubricating surface coating composition.
17. A self-lubricating surface coating composition according to claim 12 , wherein said lubricant filler is polytetrafluoroethylene.
18. A self-lubricating surface coating composition according to claim 17 , wherein said polytetrafluoroethylene is in powder form, flock form, or combinations thereof.
19. A self-lubricating surface coating composition according to claim 12 , wherein said curable acrylate composition comprises a structural filler selected from glass fiber, carbon fiber, microwool fiber or combinations thereof.
20. A self-lubricating surface coating composition according to claim 12 , wherein said curable acrylate composition comprises a thixotrope selected from fumed silica, fine polytetrafluoroethylene powder or combinations thereof.
21. A self-lubricating surface coating composition according to claim 12 , wherein said curable acrylate composition comprises an initiator selected from benzoyl peroxide, cumene hydroperoxide, methyl ethyl ketone peroxide, or combinations thereof.