Abstract:
A composition including an ionic liquid alkyl ammonium salt (e.g., tetraalkylammonium cation and bis(trifluoromethanesulfonyl)imide anion) or an ionic liquid imidazolium salt (e.g., 1,3-dialkylimidazolium cation and bis(trifluoromethanesulfonyl)imide anion), that have a structure sufficient to exhibit at least partial solubility in one or more Group I-V base stocks. The disclosure also relates to a lubricating oil base stock and lubricating oil containing the composition, a multifunctional functional fluid containing the composition, and a method for improving solubility of an ionic liquid in a lubricating oil by using as the lubricating oil a formulated oil including a lubricating oil base stock as a major component, and an ionic liquid alkylammonium salt cobase stock, or an ionic liquid imidazolium salt cobase stock, as a minor component.
Abstract:
A composition including an ionic liquid alkylammonium salt (e.g., tetraalkylammonium cation and bis(2-ethylhexyl)phosphate anion), or an ionic liquid imidazolium salt (e.g., 1,3-dialkylimidazolium cation and bis(2-ethylhexyl)phosphate anion), that have a structure sufficient to exhibit at least partial solubility in one or more Group I-V base stocks. The disclosure also relates to a lubricating oil base stock and lubricating oil containing the composition, a multifunctional functional fluid containing the composition, and a method for improving solubility of an ionic liquid in a lubricating oil by using as the lubricating oil a formulated oil including a lubricating oil base stock as a major component, and an ionic liquid alkylammonium salt cobase stock, or an ionic liquid imidazolium salt cobase stock, as a minor component.
Abstract:
This disclosure relates to a composition for use as an additive for fuels and lubricants including an amination product of an epoxidized vinyl terminated macromonomer (VTM) and an amino compound containing at least one —NH— group. The epoxidized VTM is reacted with the amino compound containing at least one —NH— group under amination conditions sufficient to give said composition. The epoxidized VTM is formed by reacting a VTM with an epoxidizing agent under epoxidation conditions sufficient to give an epoxidized VTM. An amination method for making a composition for use as an additive for fuels and lubricants. The method comprises reacting an epoxidized VTM with an amino compound containing at least one —NH— group under amination conditions sufficient to give the composition. The epoxidized VTM is formed by reacting a VTM with an epoxidizing agent under epoxidation conditions sufficient to give an epoxidized VTM.
Abstract:
This disclosure relates to vinyl terminated macromer (VTM) based synthetic basestocks and their methods of preparation, lubricant compositions, methods of lubrication and products so lubricated. The VTM based synthetic basestocks useful for fuels and lubricants include oligomerization or polymerization products of one or more allylic vinyl terminated macromers (VTMs) having a molecular weight from 84 to 10080. The one or more allylic VTMs are oligomerized or polymerized in the presence of a catalyst under oligomerization or polymerization conditions sufficient to give the VTM based synthetic basestock. The catalyst can be a metallocene catalyst or an acid catalyst, e.g., Lewis acid. The one or more allylic vinyl terminated macromers (VTMs) can be one or more allylic vinyl terminated atactic polypropylene macromers (VTM aPP) having a molecular weight from 84 to 2250 and having a terminal allylic vinyl olefin content of at least 90%.
Abstract:
A process for producing a high viscosity functionalized metallocene polyalphaolefin (mPAO) fluid. The process includes providing a mPAO having a terminal double bond, said mPAO produced by the metallocene-catalyzed oligomerization or polymerization of an alpha-olefin feed; providing at least one of a substituted or unsubstituted alkyl thiol, aryl thiol, diphenylamine or naphthalene; and reacting, optionally in the presence of a catalyst or initiator, the mPAO having a terminal double bond with at least one of the substituted or unsubstituted alkyl thiol, aryl thiol, diphenylamine or naphthalene, under reaction conditions sufficient to produce the functionalized high viscosity mPAO fluid. The functionalized mPAO fluid has, as synthesized, a viscosity (Kv100) from 135 to 900 cSt at 100° C.; a viscosity index (VI) greater than 150; a pour point (PP) less than −25° C.; a molecular weight distribution (Mw/Mn) less than 2.0; a residual unsaturation (Bromine Number) less than 2.0; and a glass transition temperature Tg less than −30° C.
Abstract:
A composition that includes one or more compounds represented by the formula (R1)a(X)(R2)b wherein R1 and R2 are the same or different and are the residue of an alkyl group having from 4 to 40 carbon atoms, X is the residue of an aliphatic polythiol, aromatic polythiol, cycloaliphatic polythiol, ester or acid containing thiol, or ester or acid containing polythiol, a is a value from 1 to 6, and b is a value from 0 to 6. The composition has a viscosity (Kv100) from 2 to 30 at 100° C., a viscosity index (VI) from 100 to 200, and a Noack volatility of no greater than 20 percent. The disclosure also relates to a process for producing the composition, a lubricating oil base stock and lubricating oil containing the composition, and a method thr improving one or more of solubility and dispersancy of polar additives in a lubricating oil by using as the lubricating oil a formulated oil containing the composition.
Abstract:
A process for producing a high viscosity functionalized metallocene polyalphaolefin (mPAO) fluid. The process includes providing a mPAO having a terminal double bond, said mPAO produced by the metallocene-catalyzed oligomerization or polymerization of an alpha-olefin feed; providing at least one of a substituted or unsubstituted alkyl thiol, aryl thiol, diphenylamine or naphthalene; and reacting, optionally in the presence of a catalyst or initiator, the mPAO having a terminal double bond with at least one of the substituted or unsubstituted alkyl thiol, aryl thiol, diphenylamine or naphthalene, under reaction conditions sufficient to produce the functionalized high viscosity mPAO fluid. The functionalized mPAO fluid has, as synthesized, a viscosity (Kv100) from 135 to 900 cSt at 100° C.; a viscosity index (VI) greater than 150; a pour point (PP) less than −25° C.; a molecular weight distribution (Mw/Mn) less than 2.0; a residual unsaturation (Bromine Number) less than 2.0; and a glass transition temperature Tg less than −30° C.
Abstract:
This disclosure relates to a composition for use as an additive for fuels and lubricants including a reductive amination product of a vinyl terminated macromonomer (VTM) based aldehyde. Optionally aldehyde is reacted with the amino compound under condensation conditions sufficient to give an imine intermediate, and the imine intermediate is reacted under hydrogenation conditions sufficient to give the composition. The aldehyde is formed by reacting a VTM under hydroformylation conditions sufficient to form the aldehyde. A reductive amination method for making a composition for use as an additive for fuels and lubricants. The method includes reacting a VTM based aldehyde with an amino compound containing at least one —NH— group under condensation conditions sufficient to give an imine intermediate, and reacting the imine intermediate under hydrogenation conditions sufficient to give said composition. The aldehyde is formed by reacting a VTM under hydroformylation conditions sufficient to form the aldehyde.
Abstract:
A composition that includes one or more compounds represented by the formula R1(X)R2 wherein R1 is an alkyl group having from 4 to 40 carbon atoms, R2 is an aliphatic group having from 4 to 20 carbon atoms, an aromatic group having from 6 to 20 carbon atoms, or a cycloaliphatic group having from 5 to 20 carbon atoms, and X is a heteroatom. The composition has a viscosity (Kv100) from 2 to 30 at 100° C., a viscosity index (VI) from 100 to 200, and a Noack volatility of no greater than 20 percent. The disclosure also relates to a process for producing the composition, a lubricating oil base stock and lubricating oil containing the composition, and a method for improving one or more of solubility and dispersancy of polar additives in a lubricating oil by using as the lubricating oil a formulated oil containing the composition.
Abstract:
This disclosure relates to vinyl terminated macromer (VTM) based synthetic basestocks and their methods of preparation, lubricant compositions, methods of lubrication and products so lubricated. The VTM based synthetic basestocks useful for fuels and lubricants include oligomerization or polymerization products of one or more allylic vinyl terminated macromers (VTMs) having a molecular weight from 84 to 10080. The one or more allylic VTMs are oligomerized or polymerized in the presence of a catalyst under oligomerization or polymerization conditions sufficient to give the VTM based synthetic basestock. The catalyst can be a metallocene catalyst or an acid catalyst, e.g., Lewis acid. The one or more allylic vinyl terminated macromers (VTMs) can be one or more allylic vinyl terminated atactic polypropylene macromers (VTM aPP) having a molecular weight from 84 to 2250 and having a terminal allylic vinyl olefin content of at least 90%.