Abstract: A dry lubricant for conveyor belts and other surfaces set for lubricating through direct application via a nozzle is disclosed. Lubricants including a homogeneous mixture of fatty acids, a hydrocarbon such as a mineral oil, a sorbitan ester, and a polyglycol, which are substantially-free of water are disclosed. Methods of using the lubricants in dry and semi-dry modes are further disclosed.

Abstract: The present invention pertains to a process for manufacturing a fluoropolymer membrane, said process comprising the following steps: (i) providing a composition [composition (C)] comprising, preferably consisting of: at least one fluoropolymer [polymer (F)], a water-soluble liquid medium [medium (Mws)] comprising, preferably consisting of at least one solvent selected from the group consisting of diesters of formula (I-de), esteramides of formula (I-ea) and diamides of formula (I-da); R1 (O?)CO-Ade-OC(?O)R2 (I-de) R1O(O?)C-Aea-C(?O)NR3R4 (I-ea) R5R6N(O?)C-Ada-C(?O)NR5R6 (I-da) wherein: R1 and R2, equal to or different from each other, are independently selected from the group consisting of C1-C20 hydrocarbon groups; R3, R4, R5 and R6, equal to or different from each other, are independently selected from the group consisting of hydrogen, C1-C36 hydrocarbon groups, possibly substituted, being understood that R3, R4, R5 and R6 might be part of a cyclic moiety including the nitrogen atom to which they are bound,

Abstract: Relating to the field of lubricant, more particularly relates to lubricant for marine engine, notably for a two-stroke marine engine. More particularly, relates to a lubricant for a marine engine including at least one lubricant base oil and at least one fatty amine.

Abstract: The present invention relates to novel quaternized ammonium salts of hydrocarbyl epoxides, to the preparation thereof and to the use thereof as a fuel additive and lubricant additive, such as, more particularly, as a detergent additive; for reducing or preventing deposits in the injection systems of direct injection diesel engines, especially in common rail injection systems, for reducing the fuel consumption of direct injection diesel engines, especially of diesel engines with common rail injection systems, and for minimizing power loss in direct injection diesel engines, especially in diesel engines with common rail injection systems; and as an additive for gasoline fuels, especially for operation of DISI engines.

Abstract: Disclosed are compounds represented by structural formula methods of producing compounds represented by structural formula, and their use in inhibiting oxidation in an oxidizable material.

Abstract: This disclosure relates to ester compounds formed from gamma-branched aliphatic alcohols, lubricating oil base stocks comprising such ester compounds, lubricating oil compositions comprising such ester compounds, and method of making such base stocks. The lubricating oil base stocks comprising the ester compounds exhibit desirable lubricating properties such as polarity.

Abstract: A microporous polymeric composition including a matrix polymer having a fractional free volume of at least 0.1 and dispersed particles having a hypercrosslinked polymer.

Abstract: A gun oil composition adapted specifically for the needs and requirements of modern firearms. The gun oil composition improves lubricity and gun performance under normal and extreme heat and pressure, minimizes and largely prevents the build-up of carbon and debris fouling on metal and non-metal components of the firearm, and substantially reduces cleaning time, while providing increased protection against environmental components such as dust, dirt and rust. The gun oil composition can include a base oil having at least a high viscosity index, an oil having at least a medium viscosity index with a detergent additive, a low viscosity penetrating oil, and a sulfurized ester.

Abstract: A comb polymer can be used for reducing a Noack evaporation loss of a lubricant composition, especially of an engine oil composition. Application of the comb polymer to the lubricant composition can bring about the desired reduction. The comb polymer can include specified amounts of macromonomer and alkyl acrylates. Resulting lubricant compositions can include the comb polymer.

Abstract: The present invention provides a process for in situ synthesis of dispersion of ZnO and TiO2 nanoparticles in an oil medium, wherein the process comprises: (a) providing layered basic zinc hydroxide (LBZ) in an oil medium, containing a dispersant, (b) providing a titanium precursor in the oil medium to obtain a mixture, (c) hydrolyzing the mixture to obtain a suspension, and (d) decomposing the suspension to obtain a dispersion of mixture of ZnO and TiO2 nanoparticles. The present invention also provides an oil dispersion comprising dispersant stabilized mixture of zinc oxide and titanium dioxide nanoparticles were synthesized through this process. The dispersion contains up to 2.5 Wt % metals loading balanced with dispersant and base oil or dispersant alone. Addition of this dispersion to oil of lubricating viscosity improves the anti-wear property and resulting a low SAPS formulation.

Abstract: A lubricant composition includes a perfluoropolyether as a base oil, a fluororesin as a thickener, and a polyol ester, a urea grease and a zinc dialkyldithiophosphate as additives, wherein a mass ratio of content of the perfluoropolyether to total content of the polyol ester and the urea grease ranges from 78/22 to 95/5, a mass ratio of content of the perfluoropolyether to content of the polyol ester ranges from 90/10 to 96.5/3.5, a mass ratio of content of the polyol ester to content of the urea grease ranges from 40/60 to 65/35, content of the fluororesin ranges from 15 mass % to 24 mass % based on a total amount of the lubricant composition, and content of the zinc dialkyldithiophosphate ranges from 0.5 mass % to 4 mass % based on the total amount of the lubricant composition.

Abstract: Titanium dioxide/sulfonated graphene oxide/silver nanoparticle composite membrane and its preparation method and application are disclosed. Mixing graphene oxide, sodium chloroethanesulfonate, and sodium hydroxide uniformly in the water, and then adding concentrated nitric acid to obtain sulfonated graphene oxide; mixing the aqueous solution of said sulfonated graphene oxide with the aqueous solution of silver nitrate, stirring in the dark, then adding ascorbic acid, and continuing to stir to obtain a silver nanoparticle/sulfonated graphene oxide composite material; dispersing said silver nanoparticle/sulfonated graphene oxide composite material in water, and then deposited on said titanium dioxide nanorods arrays by vacuum deposition, and vacuum dried to obtain titanium dioxide/sulfonated graphene oxide/silver nanoparticle composite membrane.

Abstract: The present invention provides a composite separation membrane having a separation layer formed of SPAE on the surface of a porous support membrane wherein the porous support membrane and a coat of SPAE are firmly adhered with each other so that separation property and water permeation property continue for a long period. The present invention is a composite separation membrane having a separation layer on the surface of a porous support membrane, characterized in that said porous support membrane contains 50% by mass or more of polyphenylene ether, and that said separation layer is formed of a sulfonated polyarylene ether copolymer constituted from a repeating structure of a specific hydrophobic segment and a specific hydrophilic segment. The composite separation membrane of the present invention is suitable as a liquid treating membrane such as a nanofiltration membrane and a reverse osmosis membrane.

Abstract: The purpose of the present invention is to provide organometallic salt compositions that are useful as lubricant additives and/or in lubricant additive compositions to reduce friction and wear, and also have improved solubility in all four types of hydrocarbon base oils (Groups I-IV) at a variety of concentrations and under a variety of conditions. The organometallic salt composition is derived from at least one long chain monocarboxylic acid and a single metal in combination with at least one short or medium branched-chain monocarboxylic acid. The compositions are particularly useful in combination with activated complexes comprising a first metal component, a second metal component and particles comprising the first metal component.

Abstract: Methods of making antidegradant compounds are disclosed in which a p-phenylenediamine is reacted with a dicarbonyl to thereby obtain a diimine, which is reduced to obtain mixtures comprising the antidegradant compound.

Abstract: According to the invention there is provided a method of processing a mixture of minerals including the steps of: (a) providing a mixture of minerals which includes a metal containing mineral and one or more unwanted gangue minerals; (b) achieving a contact between the mixture of minerals and polymeric material that includes a mineral binding moiety which selectively binds to the metal containing mineral; and (c) separating the gangue minerals and the polymeric material which has the metal containing mineral bound thereto.

Abstract: The invention relates to a method for preparing lignin derivative-based lubricating greases thickened by a polyurea thickener, lubricating greases thus prepared, and the use of such lubricant greases, inter alia, in transmissions, constant-velocity driveshafts and sealed roller bearings.

Abstract: A multi-part polyurethane composition is composed of a first part comprising a polyurethane prepolymer composition and a second part comprising a polyol having a hydroxyl functionality of 4 to 6, and a desiccant. The composition further comprises a plasticizer, wherein the plasticizer can be present in any one or more of the parts. A polyurethane is formed by mixing and curing the composition. The composition can be used as an adhesive for separatory devices, in particular for potting hollow fibers.

Abstract: The present invention provides a RO membrane or a FO membrane comprising a coating layer made of a phospholipid bilayer membrane and formed on a surface of a porous membrane body, having a high water permeate flow rate and salt rejection performance, the membrane being a permselective membrane comprising a porous membrane having a pore size of 5 nm to 50 nm and a coating layer made of a phospholipid bilayer and formed on a surface of the porous membrane, wherein (i) the phospholipid bilayer comprises phospholipid, amphotericin B, and ergosterol; (ii) a content of the amphotericin B is 3 to 20 mol % based on the phospholipid bilayer; (iii) a total content of the ergosterol and the amphotericin B in the phospholipid bilayer is 10 to 30 mol %.

Abstract: This invention relates to barrier materials comprising reduced graphene oxide, methods of making said materials and their uses. The reduced graphene oxide is preferably formed from the reduction of graphene oxide by HI, HBr or ascorbic acid.