Self-lubricating surface coating composition for low friction or soft substrate applications

1. A method of manufacturing a self-lubricating surface coating composition, said method comprising:

forming a curable acrylate composition comprising a metallic composition, wherein said metallic composition comprises a metallic acrylate compound according to Formula I:

and

combining a lubricant filler and a thixotrope, including about 30 mass % to about 45 mass % polytetrafluoroethylene fiber based upon total mass of said self-lubricating surface coating composition, with said curable acrylate composition to form a self-lubricating surface coating composition, wherein said self-lubricating surface coating composition includes essentially no structural fillers such as glass fiber, carbon fiber, microwool fiber and combinations thereof.

2. A self-lubricating surface coating composition comprising:

a. a curable acrylate composition comprising:

a metallic composition, comprising a metallic acrylate compound according to Formula I:

b. a lubricant filler selected from polytetrafluoroethylene, copper powder, molybdenum disulfide, boron nitride powder, graphite powder or combinations thereof;

c. about 30 mass % to about 45 mass % polytetrafluoroethylene fiber based upon total mass of said self-lubricating surface coating composition;

d. a thixotrope selected from fumed silica, fine polytetrafluoroethylene powder or combinations thereof; and

e. an initiator selected from benzoyl peroxide, cumene hydroperoxide, methyl ethyl ketone peroxide, or combinations thereof;

wherein said self-lubricating surface coating composition includes essentially no structural fillers such as glass fiber, carbon fiber, microwool fiber and combinations thereof.

3. A self-lubricating surface coating composition according to claim 2 , wherein said curable acrylate composition further comprises at least one of ethoxylated bisphenol A dimethacrylate, trifunctional acid ester, triethylene glycol dimethacrylate, ethoxylated trimethylolpropane triacrylate, or combinations thereof.

4. A self-lubricating surface coating composition according to claim 2 , wherein said metallic composition further comprises a metallic oxide.

5. A self-lubricating surface coating composition according to claim 4 , wherein said metallic oxide is selected from zinc oxide or calcium oxide.

6. A self-lubricating surface coating composition according to claim 5 , wherein said metallic composition comprises:

zinc monomethacrylate;

zinc dimethacrylate; and

zinc oxide.

7. A self-lubricating surface coating composition according to claim 2 , comprising between about 3 mass % to about 55 mass % of said curable acrylate composition, based on the total mass of said self-lubricating surface coating composition.

8. A self-lubricating surface coating composition according to claim 2 comprising at least 20 mass % of said lubricant filler, based on the total mass of said self-lubricating surface coating composition.

9. The self-lubricating surface coating composition according to claim 2 further comprising between about 0.5 mass % and about 12 mass % of the thixotrope, based on the total mass of said self-lubricating surface coating composition.