Abstract:
PROBLEM TO BE SOLVED: To provide an additive, use thereof as a low-temperature flowability-enhancing agent for vegetable- or animal-derived fuel oils, and a corresponding fuel oil having incorporated the additive therewith. SOLUTION: The additive for the fuel oil comprises (A) a copolymer of ethylene with 18-35 mol% of at least one of an acrylate and a vinyl ester bearing a 1-18C alkyl radical and having a branching degree of smaller than 5 CH 3 /100 CH 2 group and (B) a comb-shaped polymer having a structural unit formed from monomers below: (B1) at least one olefin, as monomer 1, bearing at least one 8-18C alkyl radical on an olefinic double bond and (B2) at least one ethylenically unsaturated dicarboxylic acid, as monomer 2, bearing at least one 8-16C alkyl radical bonded via an amide and/or imide group, wherein the parameter Q represented by the expression is assumed to have the numerical value of 23-27. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide the use of an additive composition to improve the conductivity of a fuel oil. SOLUTION: The use of the additive composition to improve the conductivity of the fuel oil is provided. The additive composition comprises a polymeric condensation product formed by the reaction of an aliphatic aldehyde or ketone, or a reactive equivalent, with at least one ester of p-hydroxybenzoic acid. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a fuel oil containing a middle distillate and a fatty acid ester, having a CFPP (cold filter plugging point) value of ≤ -20°C, and having improved low-temperature characteristics. SOLUTION: A fuel oil composition (F) contains (F1) a fuel oil originated from a mineral, (F2) a fuel oil originated from a plant and/or an animal, and components (A) and (B) as low-temperature additives, wherein the component (A) comprises at least one kind of copolymer which is formed out of ethylene and 8-21 mol% of at least one kind of acrylic acid ester or vinyl ester having a 1-18C alkyl residue, the component (B) comprises at least one kind of comb-shaped polymer containing structural units having an 8-16C alkyl group, the structural units in the component (B) are selected from 8-16C alkyl (meth)acrylates, 8-16C alkyl vinyl esters, 8-16C alkyl vinyl ethers, 8-16C alkyl (meth)acrylamides, 8-16C alkyl allyl ethers, and 8-16C diketenes, and a total (R) of molar average values in carbon chain length distribution of the alkyl residues of monomers in the component (B) is in a range of 11.0 to 14.0. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide an additive for improving cold flow properties of a fatty acid ester derived from rapeseed oil, sunflower oil and/or soybean oil. SOLUTION: The present invention relates to the additive comprising following (A) and (B), wherein the sum Q of the molar averages of the carbon chain length distributions in the alkyl radicals of monomer 1 on the one hand and the alkyl radicals of the amide and/or imide groups of monomer 2 on the other hand is from 23 to 27. (A) is a copolymer of ethylene and 8-21 mol% of at least one acrylic or vinyl ester having a 1-18C alkyl group and (B) is a comb type polymer containing structural units of (B1) at least one olefin as monomer 1, which has at least one 8-18C alkyl group on the olefinic double bond, and (B2) at least one ethylenically unsaturated dicarboxylic acid as monomer 2, which has at least one 8-16C alkyl group bonded via an amide and/or imide moiety. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
The present invention relates to terpolymers based on alpha , beta -unsaturated dicarboxylic acid anhydrides, alpha , beta -unsaturated compounds and polyoxyalkylene ethers according to Claim 1, and also a process for the preparation of the same according to Claim 5. The invention likewise provides a mixture of at least one terpolymer according to Claim 1 and at least one ethylene-vinyl ester copolymer. The terpolymers of the invention, and also their mixtures, are used as paraffin inhibitors in crude oils and petroleum products.
Abstract:
PROBLEM TO BE SOLVED: To provide a fuel oil and an additive originated in unsaturated vegetable and animal oils, having more improved oxidative stability when compared with products given by conventional technologies, and having an improved effect on a low sulfur mineral oil and a mineral oil distillate as a lubricating additive. SOLUTION: An oily liquid contains (A) at least one kind of ester and (B) at least one kind of alkylphenol-aldehyde resin, wherein the ester (A) comprises a monovalent 1-5C alcohol ester of a 8-30C fatty acid in which at least 50% of fatty acid residues each have at least one double bond, and the alkylphenol-aldehyde resin (B) is obtained by condensing (i) at least one kind of alkylphenol having at least one 6-24C alkyl or 6-24C alkenyl with (ii) at least one kind of aldehyde or ketone up to a condensation degree of 2-50 in alkylphenol units. COPYRIGHT: (C)2004,JPO
Abstract:
Novel ashless dispersants are provided by oil-soluble compounds each defined as an olefin polymer having an average molecular weight of 500-500,000 to which is grafted an N-allyl amide having the structure … … wherein R1 is hydrogen or a hydrocarbon group containing from 1 to 30 carbon atoms or R1 may be absent, R2 is hydrogen, an alkyl group containing from 1-30 carbon atoms, a cycloalkyl group containing from 6-10 carbon atoms, an aryl group containing from 6-10 carbon atoms or, allyl, and n is 1 or 2; provided that when R1 is hydrogen n is 1, when R1 is a hydrocarbon group containing from 1 to 30 carbon atoms n is either 1 or 2, and when R1 is absent n is 2. Such products may be made by reacting the N-alkyl amide and olefin polymer in the presence of a free radical-generating catalyst. Lubricating oil dispersancy is improved by adding to the oil such a product.
Abstract:
A method for treating an emulsion of a hydrocarbon is disclosed. The method includes providing an emulsion of a crude hydrocarbon, and adding an additive to the emulsion to obtain a treated hydrocarbon.
Abstract:
The present invention relates to a process for preparing grafted polyalkyl(meth)acrylates (PAMAs) containing dispersant repeating units in the polymer backbone as well as in the grafted layer, which polymers are characterized by a low sulfur content, the products available by this process and their use as an additive to fuels, especially to middle distillates and blends thereof. The present invention further relates to a composition comprising the grafted polyalkyl(meth)acrylates prepared by the process according to the present invention and the use of said composition as an additive component to fuels, especially to middle distillates and blends thereof, and for improving the cold flow properties of fuel oil and fuel oil compositions, especially to middle distillate fuels and blends thereof.