Nanoparticle compositions and greaseless coatings for equipment
View Patent ↗Nanoparticle compositions and greaseless coatings are disclosed, including, for example, a greaseless lubricant nanoparticle coating on drill pipe threads. The lubricant coating may be multifunctional, including, for example, anti-corrosives. The coating may be a spray, or otherwise.
1. A lubricant nanoparticle coating composition comprising a multifunctional additive macromolecule comprising:
a plurality of lubricant nanoparticles having an open-ended architecture; and
an organic medium intercalated in the nanoparticles;
wherein at least a portion of the nanoparticles have an average particle dimension of less than or equal to about 500 nm; and
wherein the coating composition is greaseless.
2. The coating composition of claim 1 , wherein the coating composition is in contact with a mating surface of an object.
3. The coating composition of claim 2 , wherein the object is one of machinery or equipment.
4. The coating composition of claim 1 , wherein the organic medium comprises an alcohol.
5. The coating composition of claim 1 , wherein the coating composition further comprises at least one material from the group consisting of: an anti-corrosive, a torque modifier, an anti-oxidant, a lubricant, an emulsifier, and a dispersant.
6. The coating composition of claim 1 , wherein the coating composition further comprises a base.
7. The coating composition of claim 6 , wherein the base comprises one or more of an oil, a plastic, a polymer, a gel, a spray, a plasticizer, a hydrocarbon oil, a vegetable oil, a corn oil, a peanut oil, a canola oil, a soybean oil, a mineral oil, a paraffin oil, a synthetic oil, a petroleum gel, a hydrocarbon gel, an ethylenebistearamide, a wax, and a silicone.
8. The coating composition of claim 1 , wherein the coating composition further comprises an emulsifier.
9. The coating composition of claim 1 , wherein the coating composition further comprises a biocidal.
10. The coating composition of claim 1 , wherein the coating composition further comprises a plurality of sub-micron particles and micro particles.
11. A lubricant nanoparticle coating comprising a multifunctional additive macromolecule comprising:
a plurality of lubricant nanoparticles having an open-ended architecture; and
an organic medium intercalated in the nanoparticles;
wherein at least a portion of the nanoparticles have an average particle dimension of less than or equal to about 500 nm; and
wherein the coating is a greaseless coating in contact with at least a portion of a surface of an object.
12. A method comprising:
applying a greaseless coating to at least a portion of a surface of an object, the coating comprising a multifunctional additive macromolecule comprising:
a plurality of lubricant nanoparticles having an open-ended architecture; and
an organic medium intercalated in the nanoparticles; and
wherein at least a portion of the nanoparticles have an average particle dimension of less than or equal to about 500 nm.
13. The method of claim 12 , wherein applying the coating to at least a portion of the surface of the object comprises applying the coating to a mating surface of the object.
14. The method of claim 13 , wherein the object is one of machinery or equipment.
15. The method of claim 12 , wherein the organic medium comprises an alcohol.
16. The method of claim 12 , wherein the coating further comprises an anti-corrosion material.
17. The method of claim 12 , wherein the coating further comprises a base.
18. The method of claim 17 , wherein the base comprises one or more of an oil, a plastic, a polymer, a gel, a spray, a plasticizer, a hydrocarbon oil, a vegetable oil, a corn oil, a peanut oil, a canola oil, a soybean oil, a mineral oil, a paraffin oil, a synthetic oil, a petroleum gel, a hydrocarbon gel, an ethylenebistearamide, a wax, and a silicone.
19. The method of claim 12 , wherein the coating further comprises an emulsifier.
20. The method of claim 12 , wherein the coating further comprises a biocidal.
21. The method of claim 12 , wherein applying the coating to at least a portion of the surface of the object comprises spraying the coating onto at least a portion of the surface of the object.
22. A method comprising:
applying a coating composition to at least a portion of a surface of an object, the coating composition comprising a multifunctional additive macromolecule comprising:
a plurality of lubricant nanoparticles having an open-ended architecture; and
an organic medium intercalated in the nanoparticles;
wherein at least a portion of the nanoparticles have an average particle dimension of less than or equal to about 500 nm; and
wherein the coating composition is greaseless.