Resin bonded particulate anti-seize agent, lubricating system made therefrom and methods of making and using same

Abstract

A coating and bonding composition is disclosed which includes a suspending agent, bonding agent, thinning agent, and a particulate fluoride anti-seize agent designed to bond a particulate fluoride film to the thread surface to prevent seizing and galling. A anti-seize/lubricating composition is also disclosed where an environmentally friendly lubricating composition is applied as a top coat to the bonding composition and to methods for making and using the compositions.

1 . An anti-seize composition comprising a particulate, non-metallic, anti-seize agent and a resin bonding system, where the anti-seize agent is selected form the group consisting of lithium fluoride (LiF), sodium fluoride (NaF), potassium fluoride (KF), rubidium fluoride (RbF), cesium fluoride (CsF), magnesium fluoride (MgF 2 ), calcium fluoride (CaF 2 ), strontium fluoride (SrF 2 ), yttrium fluoride (YF 3 ), lanthanum fluoride (LaF 3 ), neodymium fluoride (NdF 3 ), europium fluoride (EuF 3 ), dysprosium fluoride (DyF 3 ), and mixtures or combinations thereof and where the composition is designed to bond to contacting surfaces to form an anti-seize film with adequate film strength to protect the surfaces from seizing, galling, or failure and to minimize metal release into the environment during engaging and disengaging the contacting surfaces of high chrome or high nickel alloys or others with high propensity to gall.  
     
     
         2 . The composition of  claim 1 , further comprising an anti-wear additive system.  
     
     
         3 . The composition of  claim 1 , wherein the resin bonding system a suspending agent, a bonding agent, and a thinning agent.  
     
     
         4 . The composition of  claim 3 , wherein the suspending agent is selected from the group consisting of cellulose, clay, and silica and is designed to uniformly suspend the particulate anti-seize agent in the composition.  
     
     
         5 . The composition of  claim 3 , wherein the bonding agent is selected from the group consisting of an acrylic, a silicone, a urethane, an alkyd, a hydrocarbon, an epoxy, and a lacquer resin where the bonding agent.  
     
     
         6 . The composition of  claim 3 , wherein the organic solvent thinning agent is selected from the group consisting of aliphatic, aromatic, ketone, aldehyde, ester, acetate, ether, terpene, chlorinated hydrocarbon, and cyclopentasiloxane solvents and mixtures or combinations thereof.  
     
     
         7 . The composition of  claim 3 , wherein the particulate anti-seize agent is selected from the group consisting of sodium fluoride (NaF), potassium fluoride (KF), rubidium fluoride (RbF), cesium fluoride (CsF), magnesium fluoride (MgF 2 ), calcium fluoride (CaF 2 ), or mixtures or combinations thereof.  
     
     
         8 . The composition of  claim 7 , wherein the particulate anti-seize agent is selected from the group consisting of sodium fluoride (NaF), potassium fluoride (KF), rubidium fluoride (RbF), cesium fluoride (CsF), calcium fluoride (CaF 2 ), or mixtures or combinations thereof.  
     
     
         9 . The composition of  claim 3 , where in the particulate anti-seize agent is selected from the group consisting of magnesium fluoride (MgF 2 ), calcium fluoride (CaF 2 ), or mixtures or combinations thereof.  
     
     
         10 . (canceled)  
     
     
         11 . The composition of  claim 1 , further comprising a fluid or semi-fluid, uncured, non-hardening, non-setting lubricating top coat applied to the bonded composition coating the contacting surfaces to provide specific frictional properties.  
     
     
         12 . The composition of  claim 3 , wherein the contacting surfaces are surfaces of a threaded connection.  
     
     
         13 . An anti-seize composition comprising: 
 a suspending agent selected from the group consisting of cellulose, clay, and silica;    a resin bonding agent selected from the group consisting of an acrylic, a silicone, a urethane, an alkyd, a hydrocarbon, an epoxy, and a lacquer;    a solvent selected from the group consisting of aliphatic, aromatic, ketone, aldehyde, ester, acetate, ether, terpene, chlorinated hydrocarbon, and cyclopentasiloxane;    a particulate anti-seize agent selected from the group consisting of lithium fluoride (LiF), sodium fluoride (NaF), potassium fluoride (KF), rubidium fluoride (RbF), cesium fluoride (CsF), magnesium fluoride (MgF 2 ), calcium fluoride (CaF 2 ), strontium fluoride (SrF 2 ), yttrium fluoride (YF 3 ), lanthanum fluoride (LaF 3 ), neodymium fluoride (NdF 3 ), europium fluoride (EuF 3 ), dysprosium fluoride (DyF 3 ) and mixtures or combinations thereof,    where the composition is designed to bond to the surfaces of threaded connections to form an anti-seize film with adequate film strength to protect the threaded connections from seizing, galling, or failure and minimizes metal release into the environment during make-up and break-out of the threaded connections.    
     
     
         14 . The composition of  claim 13 , wherein the particulate anti-seize agent is selected from the group consisting of sodium fluoride (NaF), potassium fluoride (KF), rubidium fluoride (RbF), cesium fluoride (CsF), magnesium fluoride (MgF 2 ), calcium fluoride (CaF 2 ), or mixtures or combinations thereof.  
     
     
         15 . The composition of  claim 13 , wherein the particulate anti-seize agent is selected from the group consisting of sodium fluoride (NaF), potassium fluoride (KF), rubidium fluoride (RbF), cesium fluoride (CsF), calcium fluoride (CaF 2 ), cerium fluoride (CeF 3 ), or mixtures or combinations thereof.  
     
     
         16 . The composition of  claim 13 , wherein the particulate anti-seize agent is selected from the group consisting of magnesium fluoride (MgF 2 ), calcium fluoride (CaF 2 ), cerium fluoride (CeF 3 ), or mixtures or combinations thereof.  
     
     
         17 . (canceled)  
     
     
         18 . A method for protecting threaded connections comprising the steps of: 
 coating the threads, prior to their make-up, with a composition of claims  1 - 12 ; and    drying the coated threads for a time sufficient to bond the composition to the threads.    
     
     
         19 . The method of  claim 18 , further comprising step of: 
 coating the threads with a fluid or semi-fluid, uncured, non-hardening, non-setting lubricating top coat to provide specific frictional properties,    where the top coat comprises a fluid selected from the group consisting of synthetic fluids, petroleum based fluids, natural fluids and mixtures thereof.    
     
     
         20 . A method for protecting threaded connections comprising the steps of: 
 coating the threads, prior to their make-up, with a composition of claims  1 - 12 ;    drying the coated threads for a time sufficient to bond the coating and bonding composition to the threads; and    coating the threads, prior to their make-up, with an excess amount of fluid or semi-fluid lubricating composition.    
     
     
         21 . The composition of  claim 1 , wherein the contacting surfaces are surfaces of a high chrome or high nickel alloys threaded connection.  
     
     
         22 . The composition of  claim 13 , wherein the contacting surfaces are surfaces of a high chrome or high nickel alloys threaded connection.  
     
     
         23 . A method for protecting threaded connections comprising the steps of: 
 coating the threads, prior to their make-up, with a composition of claims  13 - 17 ; and    drying the coated threads for a time sufficient to bond the composition to the threads.    
     
     
         24 . The method of  claim 23 , further comprising step of: 
 coating the threads with a fluid or semi-fluid, uncured, non-hardening, non-setting lubricating top coat to provide specific frictional properties,    where the top coat comprises a fluid selected from the group consisting of synthetic fluids, petroleum based fluids, natural fluids and mixtures thereof.    
     
     
         25 . A method for protecting threaded connections comprising the steps of: 
 coating the threads, prior to their make-up, with a composition of claims  13 - 17 ;    drying the coated threads for a time sufficient to bond the coating and bonding composition to the threads; and    coating the threads, prior to their make-up, with an excess amount of fluid or semi-fluid lubricating composition.