Sequential overbasing with boric acid and subsequent distillation removes water to lower sediment rates in lubricating oils.
A lubricant composition uses sulfur-free detergents and polyolefin viscosity modifiers to protect engine components from adhesive wear.
Replacing molybdenum with glycerol esters resolves the fuel economy versus ash content trade-off in internal combustion engines.
Phosphonic acid-coated nanoparticles in base oil resolve the trade-off between friction reduction and insufficient lubricity for energy conservation.
Ashless thiocarbamate additives inhibit lead and copper corrosion while maintaining fuel economy and emission compliance.
A hydrogenated block copolymer with farnesene units improves viscosity index and high-temperature shear stability in lubricating oils.
Non-sulfur aromatic amines replace metallic detergents in marine diesel cylinder lubricants, reducing ash formation while maintaining neutralization capacity.
A multiphase composite lubricant uses a thermoplastic lattice to deliver consistent friction reduction across varying temperatures.
A lubricating oil composition combines low viscosity base oils with metallocene poly-alpha-olefins and polymethacrylate to maintain high viscosity index.
Nitrogen-containing heterocyclic compound suppresses resin-surfactant interaction, preventing thickening and gelling in aqueous coating agent composition.
Amino-carboxylate compounds boost total base number in marine diesel engine lubricating compositions.
A polyalpha olefin engine oil lubricant composition delivers improved fuel efficiency through precise base oil blending.
Replacing zinc dialkyldithiophosphate with hydroxypolycarboxylic acid derivatives reduces phosphorus emissions while maintaining wear protection.
A cylinder lubricating oil composition combines high aromatic base oil with alkaline earth metal phenate, aminic antioxidant, and molybdenum compound.
Alkylated aromatic base oils combine diarylamine antioxidants with sulfur-containing metal passivators to enhance oxidation resistance.
Thiol-carboxylic adducts reduce lead corrosion while preserving ZDDP antiwear performance in internal combustion engines.
A marine diesel cylinder lubricating oil composition uses Group I base stocks with specific detergent packages to enhance thermal stability and detergency.
Ground borosilicate glass and calcium phosphate in the composition eliminate water-soluble boron risks while providing scale protection.
A synthetic lubricant composition combines isomer solvents, Alox 2100 calcium sulfonate, and base oils to clean residue and protect metal surfaces.
Integrating amine friction modifiers into overbased detergent synthesis eliminates two-part packaging complexity while enhancing engine lubrication stability.
Replacing sulfur ligands with diazenide groups eliminates sulfur emissions while maintaining friction reduction and oxidative stability.
Bridged metallocene catalyst produces liquid random copolymer in lubricating oil composition, resolving shear stability and viscosity trade-offs.
Replacing zinc dialkyl dithiophosphate with dialkyl monothiophosphate metal salt reduces sulfur content while maintaining anti-wear properties.
A liquid anti-friction composition uses diglycerol esterification to create high molecular weight esters that enhance lubricity.
Exfoliated graphite nanoparticles disperse in machining oil to maintain lubricity, addressing high-temperature tool wear and mixing stability challenges.
Gear oil composition combines polysulfide extreme pressure agents with acylated copolymer reaction products to enhance thermal stability.
Propylene tetramer alkylated diphenylamines prevent thickening and sludge formation by donating hydrogen atoms to free radicals.
A lubricating oil composition uses a poly(meth)acrylate-based viscosity index improver to balance kinematic and HTHS viscosity requirements.
A polyester corrosion inhibitor reacts alk(en)yl substituted succinic anhydride with polyols to protect base oils.
Tungsten disulfide nanoparticles generate shear lines within agglomerated wear particles, breaking them down to reduce tool weight loss by up to 70%.
Ethylene-alpha-olefin copolymer with controlled molecular weight distribution enhances lubricant shear stability.
Combining magnesium and calcium salicylates reduces cam wear while maintaining low phosphorus levels for catalyst protection.
C26+ carboxylate detergents solubilize asphaltenes, preventing deposit formation and extending maintenance intervals for heavy fuel oil engines.
Incorporating amine-based friction modifiers directly into overbased metal sulphonate detergents during synthesis.
A marine engine cylinder lubricant uses fatty amines and overbased detergents to provide stable neutralization across varying fuel sulfur contents.
A solid mixture of condensed alkali phosphate and boron compounds lubricates metal surfaces during hot processing.
Incorporating a borated calcium detergent with specific calcium and boron concentrations prevents auto-ignition issues while maintaining engine performance.
Amine phosphate lubricant reduces particulate emissions and catalyst poisoning by replacing conventional phosphorus additives.
Acyl N-methyl glycines reduce thin-film friction to improve fuel efficiency.
A marine engine lubricant uses fatty amines to maintain neutralization capacity across varying fuel sulfur contents.
Adding glycerol and thioglycerol to base oil reduces torque and drag losses, enabling extended reach drilling with lower operating forces.
Copolymer additive manages soot accumulation and maintains stable viscosity to resolve emission reduction trade-offs.
A two-phase lubricating oil composition uses a polyalkylene glycol and hydrocarbon mixture to maintain kinematic viscosity across temperature changes.
Hydrogenated linear styrene-butadiene copolymer lowers fuel consumption while maintaining engine cleanliness and thermal resistance.
Calcium salicylate protects lithium or calcium fatty acid salt thickeners from degradation under shear, maintaining penetration consistency.
Amine reacts with dithiophosphate derivative to form stable complex, preventing thermal decomposition and hydrogen sulfide release.
A polymeric ester film forming agent improves oxidative stability and reduces micropitting wear in automotive gear oils.
Fluorine compounds lower kinematic viscosity while maintaining a high flash point, resolving the trade-off between cooling performance and safety.
Replacing toxic PTFE with polyimide powder eliminates PFAS formation while maintaining reliable lubrication across metal and plastic interfaces.