Use Of Compounds Revealing The Efficiency Of Filterability Additives In Hydrocarbon Distillates, And Synergic Composition Containing Same

The invention relates to the use, in a hydrocarbon distillate with a boiling temperature of between 150 and 450° C. and a crystallization onset temperature as measured by Differential calorimetric Analysis of greater than or equal to −50° C., preferably of −5° C. to +10° C., of a homopolymer obtained from an olefinic ester of carboxylic acid of 3 to 12 carbon atoms and from a fatty alcohol containing a chain of more than 16 carbon atoms and optionally an olefinic double bond, as a compound for revealing the efficiency of filterability additives based on copolymer and/or terpolymers of ethylene and of vinyl ester of a carboxylic acid of 3 to 12 carbon atoms, and of a monoalcohol containing 1 to 10 carbon atoms. The invention is also directed to an additive composition comprising a conventional hydrocarbon filterability additive in combination with an efficiency reveal additive, and also to the combustion fuels, motor fuel and oil fuel that comprise these additive combinations. 1. A composition comprising a mixture further comprising:A) a filterability additive based on a copolymer and/or terpolymer of ethylene and of a vinyl ester of a carboxylic acid with 2 to 5 carbon atoms and of a monoalcohol comprising 1 to 10 carbon atoms; andB) a polvacrylate comprising side hydrocarborn chains with 18-40, wherein the polyacrvlate is not a polymethacrylate;A and B being in a ratio producing a synergic effect as regards the filterability temperature LFT as measured according to the NF EN116 standard, of hydrocarbon distillates with a boiling temperature comprised between 150 and 450° C. and an onset crystallization temperature as measured by differential scanning calorimetry analysis greater than or equal to −5° C.2. A composition comprising (A) from 85 to 99% by weight of at least one filterability additive based on a copolymer and/or terpolymer of ethylene and of a vinyl ester of a carboxylic acid with 2 to 5 carbon atoms , of a monoalcohol comprising 1 to 10 carbon atoms; ...

Polymer Compositions Allowing Easier Handling

The invention relates to a polymer composition that can be obtained by means of the free radical polymerisation of A) 95-40 wt. % of alkyl (meth)acrylate containing Ai) 20-95 wt. % of at least one alkyl (meth)acrylate with 16 to 40 C-atoms in the alcohol group, and Aii) 5-80 wt. % of at least one (meth)acrylic acid ester of a C-Calcohol carrying a C-Calkyl group in the 2-position relative to the hydroxyl group, in the presence of B) 5-60 wt. % ethylene copolymer. The invention also relates to a method for producing same and to the use of same as a flow improver for mineral oils and mineral oil distillates. 1. A polymer composition prepared by free-radical polymerization of Ai) 20-95% by weight of at least one alkyl (meth)acrylate having 16 to 40 carbon atoms in the alkyl radical and', {'sub': 8', '22', '6', '20, 'Aii) 5-80% by weight of at least one (meth)acrylic ester of a C-Calcohol having a C-C-alkyl radical in the 2 position to the hydroxyl group, where Ai) and Aii) are different than one another, in the presence of'}], 'A) 95-40% by weight of alkyl (meth)acrylate comprising'}B) 5-60% by weight of an ethylene copolymer.2. The polymer composition as claimed in claim 1 , wherein the alkyl (meth)acrylates Ai) are according to the general formula (1){'br': None, 'sub': '2', 'sup': 2', '3, 'HC═C(R)—COOR\u2003\u2003(1)'}where{'sup': '2', 'Ris hydrogen or a methyl group,'}{'sup': '3', 'Ris a linear alkyl radical having 16 to 40 carbon atoms.'}4. The polymer composition as claimed in claim 1 , wherein the alkyl (meth)acrylate A) contains 25% to 90% by weight claim 1 , of at least one alkyl (meth)acrylate Ai) based on the total weight of A).5. The polymer composition as claimed in claim 1 , wherein the alkyl (meth)acrylate A) contains 10% to 60% by weight claim 1 , of at least one alkyl (meth)acrylate Aii) based on the total weight of A).6. The polymer composition as claimed in claim 1 , wherein the alkyl (meth)acrylate A) contains up to 40% by weight of one or more ...

POLYACRYLAMIDE ANTIFOAM COMPONENTS FOR USE IN DIESEL FUELS

There is disclosed an antifoam component which includes at least one acrylamide polymer for use in a diesel fuel. Acrylamide polymers prepared by polymerizing a (meth)acrylamide monomer to yield a homopolymer or, alternatively, the acrylamide polymer may be prepared by polymerizing a (meth)acrylamide monomer and a (meth)acrylate monomer to yield a heteropolymer. 113-. (canceled)15. The composition of claim 14 , further comprising at least one acrylate polymer prepared by polymerizing one or more (meth)acrylate monomers comprising a Cto Calkyl-substituted (meth)acrylate.16. The composition of claim 15 , wherein the acrylate polymer is at least one of a copolymer claim 15 , block polymer claim 15 , random polymer claim 15 , terpolymer claim 15 , or combinations thereof.17. The composition of claim 15 , comprising:(i) from 1 wt % to 99 wt % (or 5 wt % to 95 wt %) of the acrylamide polymer; and(ii) from 99 wt % to 1 wt % (or 95 wt % to 5 wt %) of the acrylate polymer.19. The composition of claim 18 , wherein the acrylamide polymer is a homopolymer and X is N.20. The composition of claim 18 , wherein the acrylamide polymer is a heteropolymer having at least two polymer moieties and wherein for at least one polymer moiety X is N and for at least one polymer moiety X is O.21. The composition of claim 18 , wherein Rand/or Ris branched.22. The composition of claim 21 , wherein Ris linear and Ris branched.23. The composition of claim 14 , wherein the (meth)acrylamide monomer comprises a mono- or di-Cto Calkyl-substituted (meth)acrylamide.24. The composition of claim 14 , wherein the (meth)acrylamide monomer comprises a mono- or di-Cto Calkyl-substituted (meth)acrylamide.25. The composition of claim 14 , wherein the acrylamide polymer comprises at least one heteropolymer prepared by polymerizing a (meth)acrylamide monomer and a (meth)acrylate monomer.26. The composition of claim 14 , wherein the acrylamide polymer comprises a heteropolymer prepared from a (meth)acrylate ...

COPOLYMERS AND USES THEREOF

The invention relates to a specific copolymer obtainable by co-polymerizing at least the following monomers: —more than 80 wt % of at least one bicyclic (meth)acrylate ester, —0.05 to 15% w/w styrene, and—optionally other ethylenically unsaturated monomers, as well as to the way to synthesize them and the use of such polymers to modify the rheology of a liquid in which they are soluble. 1. A copolymer comprising:83-99.95 wt % of the bicyclic (meth)acrylate esters (a),0.05 to 12 wt % of styrene (b), and0 to 19 wt % of ethylenically unsaturated monomers that are not monomer (a) or (b),up to a total of 100 wt %, wherein the weight percentages of the monomer are based on the total weight of all the monomers.3. A copolymer according to claim 1 , wherein the copolymer is a random co-polymer.6. A copolymer according to claim 1 , comprising a total of bicyclic (meth)acrylate ester and styrene in an amount of 90 wt % of the total monomer claim 1 , or more.7. A copolymer according of claim 6 , comprising a total of bicyclic (meth)acrylate ester and styrene in an amount of 95 wt % or more.8. A copolymer according to claim 7 , wherein the copolymer is produced from isobornyl methacrylate and styrene.9. A copolymer according to claim 1 , having a cloud point in fuel of 12.5° C. or lower.10. A copolymer according to claim 1 , having an average weight average molecular weight of from 100 claim 1 ,000 to 50 claim 1 ,000 claim 1 ,000 D.11. Additive package for fuels comprising a copolymer of .12. Method for the preparation of a copolymer of comprising the step of radically polymerizing the specified monomers.13. Method for the preparation of an additives package for fuel claim 1 , comprising the step of making a solution comprising a copolymer of and one or more other fuel additives.14. Use of a polymer or additive package according to claim 1 , for modifying the rheology of a fluid claim 1 , by dissolving said polymer into said fluid claim 1 , whereby said fluid is not a fuel for ...

ASSOCIATIVE POLYMERS FOR MIST-CONTROL

Polymeric mist control materials, methods of forming polymeric mist control materials, and methods of using such materials for mist control are provided. The polymeric mist control additives are formed of molecules comprised predominantly of monomers that confer high solubility in fuel and include associative groups that attract each other in donor-acceptor manner, and are incorporated such that multiple associative groups are in close proximity (“clusters”), such that the clusters are separated by very long non-associative sequences. 1. An associative mist control material comprising: at least one non-associative chain, said non-associative chain being selected to confer solubility to the polymer in a particular medium such that the medium and the mist control material remain as a homogeneous single phase during storage and transport;', 'a plurality of associative groups disposed on at least one end of each of said non-associative chains, wherein the associative groups are selected such that the polymer does not self-associate, and wherein a plurality of associative groups separate each of said non-associative chains; and, 'a mixture of polymers each havingwherein the associative groups of said polymers reversibly associate with an association strength less than that of a covalent bond to form supramolecules designed to prevent misting of the medium.2. The mist control material of claim 1 , wherein the mixture of polymers comprises at least two different complementary polymers each of said polymers comprising:at least one non-associative chain, anda plurality of associative groups dispose at either end of each of said non-associative chains; andwherein the associative groups of the at least two different complementary polymers reversibly associate with an association strength less than that of a covalent bond to form supramolecules designed to prevent misting of the medium.3. The mist control material of claim 1 , wherein the plurality of associative groups are ...

BLOCK COPOLYMERS AND THE USE THEREOF FOR IMPROVING THE COLD PROPERTIES OF FUELS OR COMBUSTIBLES

The invention relates to a block copolymer and the use thereof as a cold resistance additive of a fuel or combustible. The block copolymer comprises: (i) a block A consisting of a chain of structural motifs derived from at least one α,β-unsaturated alkyl methacrylate or acrylate monomer; and (ii) a block B consisting of a chain of structural motifs derived from at least one α,β-unsaturated monomer selected from styrene derivatives, the aromatic ring of which is substituted by at least one group R selected from the groups: Cto Calkyl esters, and preferably acyclic linear or branched Cto Chydrocarbonated chains, said chain being substituted by at least one group containing a quaternary ammonium salt. The invention also relates to an additive concentrate containing such a copolymer and to the use thereof as an anti-sedimentation additive, and advantageously, as a TLF booster additive. 1. A block copolymer comprising:(i) a block A consisting of a chain of structural units derived from one or more α,β-unsaturated alkyl methacrylate or acrylate monomers, and [{'sub': 1', '24, 'Cto Calkyl esters, and'}, {'sub': 1', '12, 'linear or branched, preferably acyclic, Cto Chydrocarbon-based chains, preferably alkyl groups, said chain being substituted by one or more groups containing a quaternary ammonium salt.'}], '(ii) a block B consisting of a chain of structural units derived from one or more α,β-unsaturated monomers chosen from styrene derivatives, the aromatic ring of which is substituted by at least one group R chosen from the groups2. The block copolymer as claimed in claim 1 , characterized in that it also comprises (iii) an end chain I consisting of a cyclic or acyclic claim 1 , saturated or unsaturated claim 1 , linear or branched claim 1 , Cto Chydrocarbon-based chain claim 1 , said chain being located at the terminal position of said block copolymer.3. The block copolymer as claimed in claim 1 , characterized in that the α claim 1 ,β-unsaturated monomer of the block A ...

BLOCK COPOLYMERS AND THE USE THEREOF FOR IMPROVING THE COLD PROPERTIES OF FUELS OR COMBUSTIBLES

The invention relates to a block copolymer and the use thereof as a cold resistance additive of a fuel or combustible. The block copolymer comprises: (i) a block A consisting of a chain of structural motifs derived from at least one α,β-unsaturated alkyl methacrylate or acrylate monomer; and (ii) a block B consisting of a chain of structural motifs derived from at least one α,β-unsaturated monomer containing at least one aromatic ring. The invention also relates to an additive concentrate containing such a copolymer and to the use thereof as a TLF booster and, advantageously, as an anti-sedimentation additive. 1. A block copolymer comprising:(i) a block A consisting of a chain of structural units derived from one or more α,β-unsaturated alkyl methacrylate or acrylate monomers, and(ii) a block B consisting of a chain of structural units derived from one or more α,β-unsaturated monomers containing at least one aromatic ring, preferably chosen from styrene or styrene derivatives.2. The block copolymer as claimed in claim 1 , characterized in that it also comprises (iii) an end chain I consisting of a cyclic or acyclic claim 1 , saturated or unsaturated claim 1 , linear or branched claim 1 , Cto Chydrocarbon-based chain claim 1 , said chain being located at the terminal position of said block copolymer.3. The block copolymer as claimed in claim 1 , characterized in that the α claim 1 ,β-unsaturated monomer of the block A is chosen from linear or branched Cto C claim 1 , preferably Cto Calkyl methacrylates or acrylates.4. The block copolymer as claimed in claim 1 , characterized in that the α claim 1 ,β-unsaturated monomer of the block B is chosen from styrene and styrene derivatives claim 1 , the aromatic ring of which is substituted by at least one group R chosen from the groups:hydroxyl,{'sub': 1', '24, 'Cto Calkyl ethers,'}{'sub': 1', '24, 'Cto Calkyl esters, and'}{'sub': 1', '12, 'linear or branched, preferably acyclic, Cto Chydrocarbon-based chains, preferably ...

Use Of Compounds Revealing The Efficiency Of Filterability Additives In Hydrocarbon Distillates, And Synergic Composition Containing Same

The invention relates to the use, in a hydrocarbon distillate with a boiling temperature of between 150 and 450° C. and a crystallization onset temperature as measured by Differential Calorimetric Analysis of greater than or equal to −50° C., preferably of −5° C. to +10° C., of a homopolymer obtained from an olefinic ester of carboxylic acid of 3 to 12 carbon atoms and from a fatty alcohol containing a chain of more than 16 carbon atoms and optionally an olefinic double bond, as a compound for revealing the efficiency of filterability additives based on copolymer and/or terpolymers of ethylene and of vinyl ester of a carboxylic acid of 3 to 12 carbon atoms, and of a monoalcohol containing 1 to 10 carbon atoms. The invention is also directed to an additive composition comprising a conventional hydrocarbon filterability additive in combination with an efficiency reveal additive, and also to the combustion fuels, motor fuel and oil fuel that comprise these additive combinations. 1. A method of improving the activity of filterability additives , added to a hydrocarbon distillate , the method comprising:adding a polyacrylate to a hydrocarbon distillate containing filterability additives, the filterability additives comprising a copolymer and/or terpolymer of ethylene and of a vinyl ester of a carboxylic acid with 2 to 5 carbon atoms and of a monoalcohol comprising 1 to 10 carbon atoms, the hydrocarbon distillate being resistant to the filterability additives,wherein the polyacrylate comprises side hydrocarbon chains with 18-40 carbon atoms, and the hydrocarbon distillate has a boiling temperature comprised between 150 and 450° C., an onset crystallization temperature as measured by differential scanning calorimetry analysis, greater than or equal to −5° C., and a weight content of n-paraffins containing more than 18 carbon atoms greater than 4%,wherein the polyacrylate cooperates synergistically with the filterability additives to increase the filterability of the ...

HYDROCARBON COMPOSITION USEFUL AS A FUEL AND FUEL OIL CONTAINING A PETROLEUM COMPONENT AND A COMPONENT OF A BIOLOGICAL ORIGIN

The invention relates to a hydrocarbon composition, which can be used as a fuel and/or fuel oil, containing a petroleum component (A) and a component of a biological origin (B), wherein the component of a biological origin is present in a quantity of up to 75% by volume with respect to the total composition. Said component of a biological origin (B) is prepared starting from a mix of a biological origin (C) containing esters of fatty acids, with possible aliquots of free fatty acids, by means of a process which comprises the following steps: 170-. (canceled)71. A method for preparing a hydrocarbon composition , comprising:(A) 25 to 90% by volume, based on the total composition of said hydrocarbon composition, of a diesel cut or a blend of diesel cuts having a CFPP of from −15 to 8° C.; and(B) 10 to 75% by volume, based on the total composition of said hydrocarbon composition, of a component of a biological origin, which has a CFPP of from −25 to 5° C., said process comprising:(1) hydrodeoxygenating (C) a mixture of biological origin, comprising esters of fatty acids and optionally aliquots of free fatty acids, to obtain a hydrodeoxygenated mixture;(2) hydroisomerizing said hydrodeoxygenated mixture after optional water and gas flow separation, to obtain (B) said component of a biological origin; and(3) mixing (A) said diesel cut or blend of diesel cuts with (B) said component of a biological origin,wherein:said hydrocarbon composition has a CFPP which is from 1 to 8° C. lower than said CFPP of (A) said diesel cut or blend of diesel cuts, andsaid hydrocarbon composition has a cloud point which is from 1 to 6° C. lower than the cloud point of (A) said diesel cut or blend of diesel cuts and the cloud point of (B) said component of a biological origin.721. The method according to claim , wherein said hydroisomerizing is conducted in the presence of a catalytic system comprising:{'sub': 2', '2', '3, 'sup': '2', 'a carrier of an acidic nature, comprising a completely ...

CRUDE OIL COMPOSITION COMPRISING AN ADDITIVE FOR IMPROVING THE FLOW PROPERTIES OF PARAFFIN-CONTAINING CRUDE OIL

An improvement of the flow properties of paraffin-containing crude oil, more specifically, a means of favourably influencing the pour point of crude oil and hence improving the flow properties of paraffin-containing crude oil. The crude oil composition is a paraffin-containing crude oil and has an amount of an additive that brings about lowering of the pour point of the crude oil, wherein the additive comprises at least one copolymer composed of at least two comonomers, and wherein all comonomers that make up the copolymer are selected from the groups (a) and (b) of comonomers, and wherein group (a) is comonomers formed from acrylic acid and methacrylic acid, and group (b) is comonomers formed from styrene and a styrene derivative. 1. A crude oil composition , comprising a paraffinic crude oil and an amount of an additive which causes a reduction of the pour point of the crude oil , wherein the additive comprises at least one copolymer that is composed of at least two comonomers , wherein all comonomers composing the copolymer are selected from the groups (a) and (b) of comonomers , and wherein the group (a) of comonomers consists of acrylic acid and methacrylic acid , and the group (b) of comonomers consists of styrene and a styrene derivative.2. The crude oil composition according to claim 1 , wherein the additive comprises 0.05 to 50% by weight claim 1 , preferably 0.5 to 50% by weight claim 1 , 1 to 50% by weight claim 1 , 2.5 to 50% by weight or 5 to 50% by weight claim 1 , more preferably 5 to 45% by weight claim 1 , 10 to 45% by weight claim 1 , 15 to 45% by weight or 15 to 40% by weight claim 1 , particularly preferably 20 to 40% by weight of the at least one copolymer.3. The crude oil composition according to claim 1 , wherein the at least one copolymer has a weight-average molecular weight of 2 claim 1 ,000 to 30 claim 1 ,000 g/mol claim 1 , preferably 5 claim 1 ,000 to 30 claim 1 ,000 g/mol claim 1 , more preferably 10 claim 1 ,000 to <30 claim 1 ,000 g/ ...

CORROSION INHIBITORS FOR FUELS AND LUBRICANTS

The present invention relates to novel uses of corrosion inhibitors in fuels and lubricants. 115-. (canceled)16. A method of inhibiting corrosion in a fuel system , the method comprising:passing a fuel through a fuel system, wherein the fuel comprises:at least one of an alkali metal, an alkaline earth metal, and zinc in an amount of at least 0.1 ppm by weight; and at least 4 acid groups per polymer chain,', 'a ratio of carbon atoms per acid group of 7 to 35, and', 'an acid number of 80 to 320 mg KOH/g, determined by potentiographic titration with 0.5 molar aqueous hydrochloric acid after heating in 0.5 molar ethanolic potassium hydroxide solution for three hours., 'a polymer having a statistical average of'}17. The method according to claim 16 , wherein the fuel comprises at least one of sodium claim 16 , zinc claim 16 , magnesium and calcium.18. The method according to claim 16 , wherein the acid groups are carboxyl groups.19. The method according to claim 16 , wherein the polymer comprises up to 50 acid groups per polymer chain.20. The method according to claim 16 , wherein the polymer comprises not more than 5 functional groups other than oxygen-containing functional groups and nitrogen-containing functional groups per polymer chain.21. The method according to claim 16 , wherein the polymer comprises not more than 3 oxygen-containing functional groups per polymer chain other than carbonate groups claim 16 , ether groups or ester groups.22. The method according to claim 16 , wherein the polymer comprises not more than 20 ether groups per polymer chain.23. The method according to claim 16 , wherein the polymer comprises not more than 50 carbonate groups or ester groups per polymer chain.24. The method according to claim 16 , wherein the polymer has a weight-average molecular weight Mw of 0.5 to 20 kDa (determined by gel permeation chromatography with tetrahydrofuran and polystyrene as standard) and a polydispersity of 1 to 10.25. The method according to claim 16 , ...

POLYMERS

The present invention is a polymer having structural units, units of formula I, units of formula II and units of either formula IIIa or formula IIIb: 28-. (canceled)9. The polymer according to claim 1 , wherein Y represents a group of formula IV where Ris hydrogen claim 1 , Ris methyl claim 1 , m is an integer from 1 to 6 and n is an integer from 6 to 18.1011-. (canceled)12. A fuel oil composition comprising a major amount of a fuel oil and a minor amount of the polymer recited in .13. The fuel oil composition according to claim 12 , wherein the fuel oil contains fatty acid alkyl esters made from oils derived from animal or vegetable materials.14. An additive concentrate comprising the polymer recited in and a solvent.15. A polymer according to wherein Rand Rare the same and each represent a linear Cto Calkyl group.16. A polymer according to wherein Rrepresents —OCOR.17. A polymer according to wherein Ris methyl or 2-ethylhexyl and Ris hydrogen.19. A polymer according to wherein Rrepresents a linear Cto Calkyl group. This invention relates to polymers effective to improve the low-temperature properties of fuel oils and to fuel oil compositions containing the polymers.Fuel oils, whether derived from petroleum or from vegetable sources, contain components, e.g., n-alkanes or methyl n-alkanoates, that at low temperature tend to precipitate as large, plate-like crystals or spherulites of wax in such a way as to form a gel structure which causes the fuel to lose its ability to flow. The lowest temperature at which the fuel will still flow is known as the pour point.As the temperature of a fuel falls and approaches the pour point, difficulties arise in transporting the fuel through lines and pumps. Further, the wax crystals that form tend to plug fuel lines, screens, and filters at temperatures above the pour point. These problems are well recognised in the art, and various additives have been proposed, many of which are in commercial use, for depressing the pour point of ...

USE OF CROSSLINKED POLYMERS FOR LOWERING THE COLD FILTER PLUGGING POINT OF FUELS

The present invention concerns the use, for lowering the cold filter plugging point of a fuel composition, of one or more crosslinked polymers comprising at least one unit of the following formula (I): in which Rrepresents a hydrogen atom or a methyl group; E represents —O—CO—, or —CO—O— or —NH—CO— or —CO—NH—; and G represents a Cto Calkyl group; said copolymer having a crosslinking rate of between 0.5 mol % and 30 mol %. The invention also concerns additive compositions containing such a polymer, and fuel compositions with such polymers as additives, in combination with a cold flow improver (CFI) chosen from the copolymers and terpolymers of ethylene and vinyl and/or acrylic ester(s). 2. (canceled)3. The use as claimed in claim 1 , characterized in that the group E of the formula (I) is selected from: —CO—O— and —CO—NH— claim 1 , on the understanding that the group E is linked to the vinyl carbon via the carbon atom claim 1 , and preferably the group E of the formula (I) is the group —CO—O—.4. The use as recited in claim 1 , characterized in that the group G of the formula (I) is a linear or branched acyclic Cto C claim 1 , preferably Cto C claim 1 , more preferentially Cto C claim 1 , more preferentially Cto C claim 1 , even more preferentially Cto C claim 1 , even better Cto Cor Cto C claim 1 , and even more preferentially Cto Calkyl radical.5. The use as recited in claim 4 , characterized in that the group E is a group —CO—O— claim 4 , E being connected to the vinyl carbon via the carbon atom claim 4 , and the group G is a linear or branched acyclic Cto C claim 4 , preferably Cto C claim 4 , more preferentially Cto C claim 4 , even more preferentially Cto C claim 4 , and even better Cto Cor Cto C claim 4 , and even more preferentially Cto Calkyl radical.6. The use as recited in claim 1 , characterized in that the crosslinked polymer is a homopolymer.7. The use as recited in claim 1 , characterized in that the crosslinked polymer is a copolymer selected from ...

ASSOCIATIVE POLYMERS FOR MIST-CONTROL

Polymeric mist control materials, methods of forming polymeric mist control materials, and methods of using such materials for mist control are provided. The polymeric mist control additives are formed of molecules comprised predominantly of monomers that confer high solubility in fuel and include associative groups that attract each other in donor-acceptor manner, and are incorporated such that multiple associative groups are in close proximity (“clusters”), such that the clusters are separated by very long non-associative sequences. 1. A material comprising: at least one non-associative chain having a weight average molar mass comprised between 100 to 1000 kg/mol, said non-associative chain being selected to confer solubility to the polymer in a particular medium such that the medium and the material remain as a homogeneous single phase during storage and transport;', 'a plurality of associative groups disposed on at least one end of each of said non-associative chains, wherein the associative groups are selected such that the polymer does not self-associate, and wherein a plurality of associative groups separate each of said non-associative chains;', 'wherein the associative groups are selected from the group of hydrogen bond donor/acceptor pairs, charge transfer donor/acceptor pairs and ionic bond donor/acceptor pairs;', 'wherein the associative groups of said polymers reversibly associate with an association strength less than that of a covalent bond to form supramolecules., 'a mixture of polymers each having2. The material of claim 1 , wherein the mixture of polymers comprises at least two different complementary polymers each of said polymers comprising:at least one non-associative chain, anda plurality of associative groups dispose at either end of each of said non-associative chains; andwherein the associative groups of the at least two different complementary polymers reversibly associate with an association strength less than that of a covalent bond to ...

Biodiesel compositions containing pour point depressants and crystallization modifiers

This present disclosure relates to biodiesel compositions comprising polymeric pour point depressants, and crystallization modifiers, to improve cold flow properties for biodiesel fuels.

COPOLYMERS OF BICYCLIC (METH)ACRYLATE AND ALKYL (METH)ACRYLATE AND THEIR USE AS RHEOLOGY MODIFIERS IN FUELS

The invention relates to specific copolymers obtainable by co-polymerizing at least the following monomers: •at least one bicyclic (meth)acrylate ester •at least one lower-alkyl (meth)acrylate •optionally, and preferably, at least one aromatic vinyl monomer; and •optionally other ethylenically unsaturated monomers, whereby the copolymer has a weight averaged molecular weight of from 100,000 to 10,000,000 D, determined using GPC-MALS techniques for a solution in THF at 40° C., as well as to the way to synthesize such copolymers and the use of such polymers to modify the rheology of a liquid in which they are soluble. 3. The copolymer according to claim 1 , wherein the copolymer is a random co-polymer.6. The copolymer according to claim 1 , comprising at most 20 wt % of other ethylenically unsaturated monomers.7. The copolymer according to claim 1 , wherein the at least one bicyclic (meth)acrylate ester comprises claim 1 , or is claim 1 , isobornyl methacrylate.8. The copolymer according to claim 1 , wherein the at least one C1-C7-alkyl methacrylate comprises claim 1 , or is claim 1 , iso-butyl (meth)acrylate.9. The copolymer according to claim 1 , comprising at least styrene claim 1 , as an aromatic vinyl monomer.10. The copolymer according to claim 9 , wherein the weight percentage of bicyclic (meth)acrylate ester is at least 15 weight percentage higher than the amount of aromatic vinyl monomer.11. The copolymer according to claim 1 , wherein the copolymer has a solubility of at least 2.0 weight percent in diesel B7 at 25° C.12. The copolymer according to claim 1 , wherein the copolymer has a cloud point of 25° C. or lower in diesel B7 fuel.13. The copolymer according to claim 1 , wherein the copolymer has a glass transition temperature of from 50 to 190° C.14. An additive package for fuels comprising the copolymer of .15. A method for the preparation of the copolymer of comprising the step of radically polymerizing the monomers.16. A method for modifying the ...

FUEL COMPOSITION

A fuel composition for powering a combustion engine the composition comprising: a liquid base fuel; and a copolymer obtainable by copolymerizing at least the following monomers: —at least one bicyclic (meth)acrylate ester; —at least one fatty-alkyl (meth)acrylate; —optionally, and preferably, at least one aromatic vinyl monomer; and —optionally other ethylenically unsaturated monomers. 1. A fuel composition for powering a combustion engine , the composition comprising:a liquid base fuel; anda copolymer obtainable by copolymerizing at least the following monomers:at least one bicyclic (meth)acrylate ester;at least one fatty-alkyl (meth)acrylate;optionally at least one aromatic vinyl monomer; andoptionally other ethylenically unsaturated monomers.2. A fuel composition according to wherein the fatty-alkyl (meth)acrylate is a C-Calkyl (meth)acrylate claim 1 , wherein the C-Calkyl group can be linear or branched claim 1 , substituted or unsubstituted claim 1 , saturated or unsaturated.3. A fuel composition according to wherein the copolymer has a weight averaged molecular weight from 400 claim 1 ,000 to 50 claim 1 ,000 claim 1 ,000 Dalton.5. The fuel composition according to claim 1 , wherein the copolymer comprises:10 to 95 wt % of the bicyclic (meth)acrylate ester;5 to 80 wt %, pref. 5-40, of the fatty-alkyl (meth)acrylate;0 to 65 wt % of the aromatic vinyl monomer;0 to 50 wt % of other ethylenically unsaturated monomers, up to a total of 100 wt %, wherein the weight percentages of the monomer are based on the total weight of all the monomers.6. The fuel composition according to claim 1 , wherein the copolymer comprises:20 to 95 wt % of the bicyclic (meth)acrylate ester;5 to 80 wt %, pref. 5-40, of the fatty-alkyl (meth)acrylate;0 to 65 wt % of the aromatic vinyl monomer;0 to 50 wt % of other ethylenically unsaturated monomers, up to a total of 100 wt %, wherein the weight percentages of the monomer are based on the total weight of all the monomers.7. The fuel ...

FUEL COMPOSITION

A fuel composition for powering a combustion engine, the composition comprising: a liquid base fuel; and a (co)polymer obtainable by (co)polymerizing at least the following monomers: •at least one bicyclic (meth)acrylate ester •optionally at least one lower-alkyl (meth)acrylate, •optionally at least one aromatic vinyl monomer, and •optionally other ethylenically unsaturated monomers. 1. A fuel composition for powering a combustion engine , the composition comprising:a liquid base fuel; anda (co)polymer obtainable by (co)polymerizing at least the following monomers:at least one bicyclic (meth)acrylate ester,optionally at least one lower-alkyl (meth)acrylate,optionally at least one aromatic vinyl monomer, andoptionally other ethylenically unsaturated monomers.2. A fuel composition according to wherein the bicyclic (meth)acrylate ester is present in an amount of more than 20% by weight claim 1 , based on the weight of all monomers.3. A fuel composition according to wherein the lower-alkyl (meth)acrylate is a C-Calkyl (meth)acrylate.7. The fuel composition according to claim 1 , wherein the copolymer comprises at most 20 wt % of other ethylenically unsaturated monomers.8. The fuel composition according to claim 1 , wherein the weight percentage of bicyclic (meth)acrylate is at least 15% higher than the weight percentage of the aromatic vinyl monomer.9. The fuel composition according to claim 1 , wherein the at least one bicyclic (meth)acrylate ester comprises claim 1 , or is claim 1 , isobornyl methacrylate.10. The fuel composition according to claim 1 , wherein the at least one lower-alkyl methacrylate comprises claim 1 , or is claim 1 , iso-butyl (meth)acrylate.11. The fuel composition according to claim 1 , wherein the at least one aromatic vinyl monomer comprises claim 1 , or is claim 1 , styrene.12. The fuel composition according to claim 1 , wherein the (co)polymer has a weight average molecular weight of at least 100 claim 1 ,000 D.13. A fuel composition ...

COPOLYMERS OF BICYCLIC (METH)ACRYLATES AND ALKYL (METH)ACRYLATES AND THEIR USE AS RHEOLOGY MODIFIERS IN FUELS

The invention relates to a specific copolymer obtainable by co-polymerizing at least the following monomers: —at least one bicyclic (meth)acrylate ester—at least one C8-C24-alkyl (meth)acrylate—optionally, and preferably, at least one aromatic vinyl monomer; and —optionally other ethylenically unsaturated monomers, whereby the copolymer has a weight averaged molecular weight from 400,000 to 50,000,000 Dalton, as well as to the way to synthesize them and the use of such polymers to modify the rheology of a liquid in which they are soluble. 3. The copolymer according to claim 1 , wherein the copolymer is a random co-polymer.7. The copolymer according to claim 1 , comprising a total of bicyclic (meth)acrylate ester and C8-C24-alkyl (meth)acrylate in an amount of 35 wt % or more.8. The copolymer according to claim 1 , comprising a total of bicyclic (meth)acrylate ester and aromatic vinyl monomer in an amount of 35 wt % or more.9. The copolymer according to claim 1 , wherein the at least one bicyclic (meth)acrylate ester comprises isobornyl methacrylate.10. The copolymer according to claim 1 , wherein the at least one C8-C24-alkyl methacrylate comprises lauryl (meth)acrylate claim 1 , methacrylic ester 13.0 claim 1 , (iso)decyl (meth)acrylate and combinations thereof.11. The copolymer according to claim 1 , wherein the at least one aromatic vinyl monomer comprises styrene.12. The copolymer according to claim 1 , wherein the copolymer has a solubility of at least 2.0 weight percent in diesel B7 at 25° C.13. The copolymer according to claim 1 , wherein the copolymer has a cloud point of 25° C. or lower in diesel B7 fuel.14. The copolymer according to claim 1 , wherein the copolymer has a weight average molecular weight of at least 500 claim 1 ,000 D.15. The copolymer according to claim 1 , wherein the copolymer has a glass transition temperature from 50° C. to 190° C.16. An additive package for fuels comprising the copolymer of .17. A method for the preparation of a ...

FUEL COMPOSITION

A fuel composition for powering a combustion engine, the composition comprising a liquid base fuel; and a (co)polymer obtainable by (co)polymerizing at least the following monomers: one or more bicyclic (meth)acrylate esters (a); up to 15 wt % of styrene (b); optionally other ethylenically unsaturated monomers that are not monomer (a) or (b); up to a total of 100 wt %, wherein the weight percentages of the monomer are based on the total weight of all of the monomers. 3. The fuel composition according to claim 1 , wherein the copolymer is a random co-polymer.5. The fuel composition according to claim 1 , wherein the copolymer comprises:85 to 99.95 wt % of the bicyclic (meth)acrylate ester (a);1 to 10 wt % of styrene (b); and0 to 10 wt % of ethylenically unsaturated monomers not being a monomer (a) or (b), up to a total of 100 wt %, wherein the weight percentages of the monomer are based on the total weight of all the monomers.6. The fuel composition according to claim 1 , wherein the copolymer comprises:90 to 99.95 wt % of the bicyclic (meth)acrylate ester (a);2.0 to 8.0 wt % of styrene (b); and0 to 5 wt % of ethylenically unsaturated monomers not being a monomer (a) or (b), up to a total of 100 wt %, wherein the weight percentages of the monomer are based on the total weight of all the monomers.7. The fuel composition according to claim 1 , wherein the copolymer comprises a total of bicyclic (meth)acrylate ester and styrene in an amount of 80 wt % claim 1 , preferably 83 wt % claim 1 , more preferably 90 wt % of the total monomer claim 1 , or more.8. The fuel composition according to claim 1 , wherein the copolymer comprises a total of bicyclic (meth)acrylate ester and styrene in an amount of 95 wt % or more claim 1 , preferably 99 wt % or more.9. The fuel composition according to claim 1 , wherein the copolymer is produced from isobornyl methacrylate and styrene.10. The fuel composition according to claim 1 , wherein the copolymer has a cloud point in fuel of 12.5° ...

Multi-Purpose Paraffin Additives for Deposit Control, Anti-Settling and Wax Softening in Oil-Based Fluids

An additive may be added to an oil-based fluid having at least one wax foulant therein. The additive may be or include an alpha olefin copolymer, an alkyl phenol-formaldehyde resin, an alkyl acrylate, a polyalkyl methacrylate, ethylene vinyl acetate co-polymer, ethylene vinyl acetate terpolymer, imidazoline, and combinations thereof. The additive may alter at least one property of the wax foulant as compared to an otherwise identical oil-based fluid absent the additive. The altered property may be or include the amount of wax foulant deposited, the amount of paraffinic wax dispersed, settling rate of the paraffinic wax foulant, viscosity of the paraffinic wax foulant, shape of the paraffinic wax foulant, such as but not limited to softening the wax foulant, and combinations thereof.

COPOLYMER SUITABLE FOR USE AS A DETERGENT ADDITIVE FOR FUEL

A copolymer obtained by copolymerization of at least: an apolar monomer (m) with the following formula (I), where u=0 or I, w=0 or I, E=-0- or —NH(Z)—, or —O—CO—, or —NH—CO— or —CO—NH—, wherein Z is H or an alkyl group, and G is a group selected among an alkyl, an aromatic ring and an arylalkyl; and a polar monomer (m) selected among those of the following formula (II), wherein t=0 or I, Q is selected among the oxygen atom and the —NR′— group, wherein R′ is selected among a hydrogen atom and hydrocarbon chains, and R is a hydrocarbon chain substituted by at least one quaternary ammonium group and optionally one or more hydroxyl groups. The invention also relates to the use of such a copolymer as a detergent additive in a liquid fuel of an internal combustion engine. 118-. (canceled)20. The copolymer as claimed in claim 19 , wherein the group E of the non-polar monomer (m) is chosen from —O— claim 19 , —NH(Z)— with Z representing H or a C1-C6 alkyl group claim 19 , and —O—CO— in which E is connected to the vinyl carbon by the oxygen atom.21. The copolymer as claimed in claim 19 , wherein w is equal to 0.22. The copolymer as claimed in claim 19 , wherein the group G of the non-polar monomer (m) is chosen from a C4-C34 alkyl claim 19 , an aromatic ring claim 19 , an aralkyl comprising at least one aromatic ring and at least one C1-C34alkyl group.23. The copolymer as claimed in claim 19 , wherein the group G is chosen from a C4-C34 alkyl.25. The copolymer as claimed in claim 19 , wherein the copolymer is chosen from block copolymers and random copolymers.26. The copolymer as claimed in claim 25 , which is a block copolymer comprising at least:{'sub': 'a', 'a block A consisting of a chain of structural units derived from one or more non-polar monomers chosen from the non-polar monomers (m) of formula (I), and'}{'sub': 'b', 'a block B consisting of a chain of structural units derived from one or more polar monomers chosen from the polar monomers (m).'}27. A concentrate ...

POLYACRYLATE ANTIFOAM COMPONENTS FOR USE IN FUELS

There is disclosed an antifoam component which includes at least one poly(acrylate) copolymer for use in a fuel. Poly(acrylate) polymers prepared by polymerizing a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“multifunctional monomer”) are also disclosed. Other poly(acrylate) polymers prepared by polymerizing (i) a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“solubility monomer”); (ii) a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“surface tension monomer”); and (iii) optionally at least one additional monomer comprising a solubility monomer, a surface tension monomer, a monomer comprising Cto Calkyl esters of (meth)acrylic acid (“multifunctional monomer”), or combinations thereof are also disclosed. 111-. (canceled)14. The composition of claim 13 , wherein the at least one additional monomer comprises 2-ethylhexyl (meth)acrylate.1523-. (canceled)24. The composition of claim 12 , wherein the at least one poly(acrylate) polymer has a weight average molecular weight (“M”) from 10 claim 12 ,000 to 350 claim 12 ,000 Da.25. The composition of claim 12 , further comprising a fuel and wherein the at least one poly(acrylate) polymer is present in the fuel in an amount from 0.1 ppm to 3000 ppm by weight claim 12 , based on a total weight of the fuel and composition.26. The composition of claim 25 , wherein the at least one poly(acrylate) polymer is present in the fuel in an amount from 1 ppm to 100 ppm by weight claim 25 , based on a total weight of the of the fuel and composition.27. (canceled)28. A method of reducing foam in a fuel claim 12 , said method comprising adding the composition of to a fuel.2930-. (canceled)31. A method of reducing the amount of foam produced while filling the fuel tank of a vehicle claim 12 , said method comprising adding the composition of to a fuel.3236-. (canceled)37. A fuel additive package comprising:(i) at least one quaternary ammonium salt;(ii) at ...

AQUEOUS EMULSIONS CONTAINING ETHYLENE-VINYL ACETATE COPOLYMERS, PREPARATION PROCESS THEREOF AND THEIR USE AS ANTI-GELLING ADDITIVES OF CRUDE OILS

The present invention relates to an aqueous emulsion comprising: a) from 50% to 60% of an organic phase dispersed in an aqueous phase, said organic phase containing a mixture including from 24% to 30%, calculated with respect to the final emulsion, of ethylene-vinyl acetate copolymers and/or polyalkyl(meth)acrylates, indicated in the present description as polymeric component, and a high-boiling organic solvent, or a mixture of said solvents; b) a primary emulsifier at a concentration higher or equal to 0.1% and lower than or equal to 3% by weight, calculated with respect to the final emulsion; c) from 37% to 47% of an aqueous phase; wherein the ratio between said polymer component and said organic solvent in the final aqueous emulsion is at least 1/1 and where the organic solvent and any polymer of the polymeric component have a Hildebrand solubility parameter δ such that, the difference (δδ) is lower than 2 in absolute value for any polymer of the polymeric component.

AQUEOUS POLYMER DISPERSIONS, A METHOD FOR THEIR PREPARATION AND THE USE THEREOF AS POUR-POINT DEPRESSANTS FOR CRUDE OIL, PETROLEUM, AND PETROLEUM PRODUCTS

The invention relates to aqueous polymer dispersions comprising at least one polymer obtainable by the reaction of at least one monomer M1 of the general formula (I): HC═CH—C(O)OR, wherein R is an unbranched alkyl chain comprising from 18 to 22 carbon atoms, and optionally at least one monomer M2. The invention relates moreover to a method for the preparing of such aqueous polymer dispersion and the use thereof as pour point depressant for crude oil, petroleum, and petroleum products.

POLYACRYLATE ANTIFOAM COMPONENTS FOR USE IN DIESEL FUELS

There is disclosed an antifoam component which includes at least one poly(acrylate) copolymer for use in a diesel fuel. Poly(acrylate) polymers prepared by polymerizing a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“multifunctional monomer”) are also disclosed. Other poly(acrylate) polymers prepared by polymerizing (i) a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“solubility monomer”); (ii) a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“surface tension monomer”); and (iii) optionally at least one additional monomer comprising a solubility monomer, a surface tension monomer, a monomer comprising Cto Calkyl esters of (meth)acrylic acid (“multifunctional monomer”), or combinations thereof are also disclosed. 1. A composition comprising a diesel fuel and at least one poly(acrylate) polymer prepared by polymerizing a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“multifunctional monomer”).2. The composition of claim 1 , wherein the at least one poly(acrylate) polymer is a homopolymer.34-. (canceled)3. The composition of claim 1 , wherein the multifunctional monomer comprises tertiary butyl (meth)acrylate or ethyl (meth)acrylate.4. The composition of claim 1 , wherein multifunctional monomer comprises trimethylhexyl (meth)acrylate.5. The composition of claim 1 , wherein the at least one poly(acrylate) polymer has a weight average molecular weight (“M”) of from 50 claim 1 ,000 to 300 claim 1 ,000 Da.8. (canceled)6. The composition of claim 1 , wherein the at least one poly(acrylate) polymer is present in the diesel fuel in an amount from 2 ppm to 1000 ppm by weight claim 1 , based on a total weight of the composition.10. (canceled)7. The composition of claim 1 , wherein the foam in the composition is reduced as compared to a diesel fuel without the at least one poly(acrylate) polymer.8. A composition comprising at least one poly(acrylate) polymer ...

METHOD FOR THE PREPARATION OF COPOLYMERS OF ALKYL METHACRYLATES AND MALEIC ANHYDRIDE

A method for the preparation of a copolymer containing at least one alkyl methacrylate and maleic anhydride having a number average molecular weight of 4000 to 18000 g/mol proceeds by solution polymerization in the presence of a radical initiator. 1: A method for the preparation of a sulfur-free copolymer comprising alkyl methacrylate monomer units and maleic anhydride monomer units by solution polymerization of one or more alkyl methacrylates and maleic anhydride in a solvent in the presence of a radical initiator , said method comprising:a) providing an initial reaction solution comprising maleic anhydride, a portion of the radical initiator and solvent, andb) adding a feed solution comprising one or more alkyl methacrylates and a portion of the radical initiator to the initial reaction solution.2: The method according to claim 1 , wherein the feed solution is added over the course of 30 minutes to 12 hours.3: The method according to claim 1 , wherein the initial reaction solution comprises 50 to 100 wt-% maleic anhydride based on the total amount of maleic anhydride.4: The method according to claim 1 , wherein the molar ratio of the one or more alkyl methacrylates to the maleic anhydride is in the range of 10:1 to 1:1.5: The method according to claim 1 , wherein the initial reaction solution does not comprise any alkyl methacrylate.6: The method according to claim 1 , wherein the portion of the one or more alkyl methacrylates in the feed solution is 50 to 100 wt-% based on the total amount of the one or more alkyl methacrylates.7: The method according to claim 1 , wherein the total amount of the one or more alkyl methacrylates and the maleic anhydride is in the range of 10 to 80 wt.-% relative to the total weight of the sum of the initial reaction solution and the feed solution.8: The method according to claim 1 , wherein at least 80 mol-% of the one or more alkyl methacrylates are selected from the group of Cto Calkyl methacrylates claim 1 , or a mixture thereof ...

Process for preparing ethylene-based polymers having low molecular weight

Polymerization process to obtain elastomeric copolymers or terpolymers based on ethylene for cold flow improver (CFI) having a viscosimetric average molecular weight ranging between 600 and 16.000, comprising a) polymerization of monomers in suspension in the presence of an alpha-olephin liquid in the reaction conditions, in the presence of an amount of solvent from about 5 to 30% by volume of the reactor volume in the presence of a polymerization catalyst able to give the X 2 and/or X 4 parameters, lower or equal to 0.02, X 2 and X 4 representing the fraction of uninterrupted methylenic sequences of 2 and 4 methylenic groups between two successive methyl or methylene groups respectively in the polymeric chain, as compared with the uninterrupted total sequences of methylene groups determined by 13 C-NMR; b) forwarding of the reaction slurry into a flash pipe for the evaporation of the unreacted monomers and of minimum quantities of solvent; c) separation of the polymeric part with the quantity of solvent introduced into the reaction as solvent foot, in solvent of the same type or different, so as to obtain the desired polymer concentrations, and disactivation of the catalyst by bubbling of wet air stream.

Ethylene polymers with α-olefins

Ethylene copolymers with octene and/or ethylene terpolymers with alpha-olefins from 3 to 12 carbon atoms, optionally in the presence of other comonomers containing more than one unsaturation, usable as additives to increase the gas oil properties at low temperatures, obtainable by polymerization of the monomers in the presence of catalysts comprising: a bis-cyclopentadienyl derivative having the general formula: (Cp 1 Cp 2 )—M—(L 2 L 3 ) containing groups with oxygen bound to the transition metal, wherein M is a metal from the IIIb group to the Vb group or of the lanthanide series of the Element Periodic Table; Cp 1 and Cp 2 , equal to or different from each other, represent cyclopentadienyls bound to M with delocalized π bonds.

PROCESS FOR THE PREPARATION OF ETHYLENE-BASED POLYMERS WITH LOW MOLECULAR WEIGHT

Process for preparing ethylene-based polymers having low molecular weight

Polymerization process to obtain elastomeric copolymers or terpolymers based on ethylene for cold flow improver (CFI) having a viscosimetric average molecular weight ranging between 600 and 16,000. a) The process includes polymerizing monomers in suspension in the presence of an alpha-olefin liquid under reaction conditions, in the presence of an amount of solvent from about 5 to 30% by volume of the reactor volume in the presence of a polymerization catalyst able to give the X 2 and/or X 4 parameters, lower less than or equal to 0.02, X 2 and X 4 representing the fraction of uninterrupted methylenic sequences of 2 and 4 methylenic groups between two successive methyl or methylene groups respectively in the polymeric chain, as compared with the uninterrupted total sequences of methylene groups determined by 13 C-NMR; b) Conveying the reaction slurry into a flash pipe for the evaporation of the unreacted monomers and of minimum quantities of solvent; c) The polymeric part with the quantity of solvent of the same type or different as above, so as to obtain the desired polymer concentrations, and deactivation of the catalyst by bubbling of wet air stream.

Derivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver additive for oleaginous composition

The present invention is directed to an oil-soluble oleaginous composition additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of from above 20,000 to about 500,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted polymers of this invention are useful per se as additives to oleaginous compositions such as lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful oleaginous composition additives, e.g., as multifunctional viscosity index improvers.

ETHYLENE POLYMERS WITH ALFA-OLEFINE.

Associative polymers for mist-control

High molecular weight polymer and producing method the same and drag reducer

In a radical polymerization reaction, an oxygen absorbent is present in an amount corresponding to the amount of dissolved oxygen in a polymerization reaction system. As the oxygen absorbent, an oxygen absorbent which is soluble in a solvent used and has a strong reducing power is preferable. The radical polymerization by emulsion polymerization process is carried out at a reaction temperature of not more than 50°C employing a seed polymerization method. In the radical polymerization reaction, by effectively removing the dissolved oxygen present in the polymerization reaction system, a high molecular weight polymer (a) having higher molecular weight than the conventional polymer, (b) having a straight-chain structure with less branching, and (c) being soluble in an organic solvent is produced by a producing method which is stabilized and controlled with ease. The product polymer is suitably adopted as a drag reducer.

Fuel composition

FIELD: fuels. SUBSTANCE: fuel composition on the basis of liquid hydrocarbon fuel has additionally 0.005-1.0% mixture of two addition agents at their ratio 0.1-10. The first addition agent is a copolymer of ethylene with propylene or terpolymer of ethylene, propylene and diene, or copolymer of ethylene with unsaturated acid, anhydride or ester with molecular mass 10000-100000, viscosity is 0.05-1.0 dl/g. The second addition agent is an imidized acrylic polymer or copolymer containing imide compounds of the formula given in invention description where R 1 and R 2 are similar or different each of other and mean hydrogen or methyl radical; R 3 C 11 -C 18 -alkyl. EFFECT: enhanced quality of fuel composition. 2 cl, 5 tbl бус ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) (51) МПК ВИ” 2 041 921 ' 13) Сл С 10 Е 1/22 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 4895375/04, 29.04.1991 (30) Приоритет: 30.04.1990 |[Т 20179А/90 (46) Дата публикации: 20.08.1995 (56) Ссылки: Патент США М 4211534, кл. С 10. 1/22, 1980. (71) Заявитель: Сочиета Италиана Аддитиви пер Карбуранти срл-СИАК (1) (72) Изобретатель: Лучано Канова[1], Этторе Санторо[], Лучано Боноли[П], Паоло Фалки[!1] (73) Патентообладатель: Сочиета Италиана Аддитиви пер Карбуранти срл. -СИАК (1) (54) ТОПЛИВНАЯ КОМПОЗИЦИЯ (57) Реферат: Сущность изобретения: топливная КОМПОЗИЦИЯ на основе жидкого углеводородного топлива дополнительно содержит 0,005 - 1,0 смеси двух присадок в их отношении 0,1 10. Первая присадка представляет собой сополимер этилена с пропиленом или терполимер этилена, пропилена и диена, или сополимер этилена с ненасыщенной кислотой, ангидридом или сложным эфиром, имеющих мол.м. 10000 100000 и вязкостью 0,05 1,0 длл. Вторая присадка представляет собой имидизованный акриловый полимер или сополимер, имеющий имидные соединения Фф-лы, указанной в описании изобретения, где Кл и В> равные или отличные друг от друга и являются водородом или метиловым радикалом, К з -алкил ...

Anti-static additive compositions for hydrocarbon fuels

It has been discovered that less expensive, and in some cases synergistically effective anti-static additive blends may be added to hydrocarbon fuels to improve the conductivity thereof. The blend includes an anti-static amount of at least one hydrocarbon soluble copolymer of an alkylvinyl monomer and a cationic vinyl monomer and an anti-static amount of at least one hydrocarbon soluble polysulfone copolymer of at least one olefin and sulfur dioxide. Optional ingredients include polymeric polyamines and aryl sulfonic acids.

Improvements in or relating to hydrocarbon compositions

The invention teaches that hydrocarbon compositions may be improved in terms of their stability reserve and in terms of their combustion efficiency, by co-use of a conductivity improver. There is optionally presenta combustion improver selected from an iron compound, a manganese compound, a calcium compound and a cerium compound; and/or an organic compound selected from a bicyclic monoterpene, a substituted bicyclic monoterpene, adamantane, a substituted or unsubstituted bicyclic tetraterpene, and propylene carbonate.

Hydrocarbon compositions

The invention teaches that hydrocarbon compositions may be improved in terms of their stability reserve and in terms of their combustion efficiency, by co-use of a conductivity improver. There is optionally present a combustion improver selected from an iron compound, a manganese compound, a calcium compound and a cerium compound; and/or an organic compound selected from a bicyclic monoterpene, a substituted bicyclic monoterpene, adamantane, a substituted or unsubstituted bicyclic tetraterpene, and propylene carbonate.

Hydrocarbon compositions

The invention teaches that hydrocarbon compositions may be improved in terms of their stability reserve and in terms of their combustion efficiency, by co-use of a conductivity improver. There is optionally present a combustion improver selected from an iron compound, a manganese compound, a calcium compound and a cerium compound; and/or an organic compound selected from a bicyclic monoterpene, a substituted bicyclic monoterpene, adamantane, a substituted or unsubstituted bicyclic tetraterpene, and propylene carbonate.

Drag reduction agent for hydrocarbon liquid

The present invention relates to improved drag reduction agents which are copolymers of an alpha olefin and a vinyl alkylenecarboxylic ester.

Additive compositions for stabilized diesel fuel

Una composición de combustible diésel que comprende un combustible diésel, un compuesto catalizador metálico solubilizado o dispersado de forma coloidal para la regeneración de trampas de partículas diésel y 10 a 1.000 ppm de un compuesto orgánico soluble en aceite o dispersable en aceite que tiene una cadena de hidrocarbilo lipófila que tiene unidos a la misma directamente al menos dos grupos funcionales de cabeza polar contiguos, en donde el compuesto catalizador metálico consiste en óxido de hierro o cerio o mezclas de los mismos y en donde el compuesto orgánico está representado por la fórmula generalizada A-C-B, donde C representa una cadena de hidrocarbilo con un Mn (peso molecular promedio en número) de 200-4.000 y A y B representan al menos dos residuos de carboxilato contiguos unidos directamente a un extremo de la cadena de C lipófila, que son bien grupos de fórmula -COOH, bien ionizados como -(COO-)nMn+, donde M es un catión metálico de carga positiva sencilla o doble (es decir, siendo n >= 1 o 2) o un catión de amonio cuaternario. A diesel fuel composition comprising a diesel fuel, a colloidally dispersed or solubilized metal catalyst compound for the regeneration of diesel particulate traps, and 10 to 1,000 ppm of an oil-soluble or oil-dispersible organic compound having a chain of lipophilic hydrocarbyl having directly attached to it at least two contiguous polar head functional groups, wherein the metal catalyst compound consists of iron or cerium oxide or mixtures thereof and wherein the organic compound is represented by the generalized formula ACB , where C represents a hydrocarbyl chain with an Mn (number average molecular weight) of 200-4,000 and A and B represent at least two contiguous carboxylate residues directly attached to one end of the lipophilic C chain, which are either groups of formula -COOH, well ionized as - (COO-) nMn +, where M is a metal cation with a single or double positive charge (it is cir, where n> = 1 or 2) or a ...

Increasing low temperature flowability of middle distillate fuel

The low temperature flowability of a middle distillate petroleum fuel oil, boiling within the range of about 250* to about 700* F. at atmospheric pressure is improved by adding to the fuel oil from about 0.001 to about 1.0 wt. % of a flow improving additive such as a copolymer of ethylene with another ethylenically unsaturated monomer such as an unsaturated ester or an alpha olefin, along with from about 0.01 to about 0.099 wt. % of an essentially saturated hydrocarbon fraction which is substantially free of normal paraffinic hydrocarbons and which has a number average molecular weight in the range of about 600 to about 3000.

Fuel composition

ТОПЛИВНАЯ КОМПОЗИЦИЯ на основе углеводородного топлива дл  газовых турбин температурой вспышки 32,2-60,0&amp;deg;С с добавлением сополимерной присадки, отличающа с  тем, что,.с целью уменьшени  разбрызгивани  композиции при ударе, в качестве присадки она содер жит сополимер 78-92 мас.% трет -бутилстирола с 3-15 мас.% мономера, выбранного из группы, состо щей из сложных эфиров акриловой или метакриловой кислот и алифатических одноатомных спиртов, содержащих 1-4 атомов углерода, 2-этоксиэтш1метакрила-та , винилацетата, стирола,и 3-7 мас.% метакриловой кислоты при следующем О) соотношении компонентов, мас.%; Сополимер 0,075-0,3 Углеводородное топливо До 100 FUEL COMPOSITION based on hydrocarbon fuel for gas turbines with a flash point of 32.2-60.0 ° C with the addition of a copolymer additive, characterized in that, in order to reduce the splashing of the composition upon impact, it contains copolymer 78 as an additive -92% by weight of tert-butyl styrene with 3-15% by weight of a monomer selected from the group consisting of acrylic or methacrylic acid esters and aliphatic monohydric alcohols containing 1-4 carbon atoms, 2-ethoxyethyl 1 methacrylate, vinyl acetate, styrene, and 3-7 wt.% methacrylic th acid in the next O) the ratio of components, wt.%; Copolymer 0.075-0.3 Hydrocarbon fuel Up to 100

METHOD FOR THE PRODUCTION OF ETHYLENE MIXED POLYMERISATES AND THE USE THEREOF AS AN ADDITION TO MINERAL OIL AND MINERAL OIL FRACTIONS

Derivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver

The present invention is directed to an oil-soluble oleaginous composition additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of from above 20,000 to about 500,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted polymers of this invention are useful per se as additives to oleaginous compositions such as lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful oleaginous composition additives, e.g., as multifunctional viscosity index improvers.

Process for preparing ethylene-based polymers having low molecular weight

Fuel compositions containing raw material of plant origin

FIELD: petrochemistry. SUBSTANCE: invention relates to the area of using polymers with ester groups in fuel compositions containing raw material of plant origin. The fuel composition shall contain at least 20 % w/w of diesel oil of mineral origin, not less than 2.0 % w/w of diesel biofuel and 0.05 to 5 % w/w of at least one polymer with ester groups. The polymer was selected from the group containing polyalkyl (meth)acrylates, polyalkyl fumarates and/or polyalkyl maleates. The polymer comprises the following three components: from 0.1 to 80 % w/w of the repeated structural units, derivatives of ester monomers with 16-40 carbons as alcohol residue; from 0.1 to 30 % w/w of structural units with 1-6 carbons as alcohol residue and from 10.0 to 98 % w/w of structural units with 7-15 carbons as alcohol residue. The use of polymers with ester groups for enhancing viscosity and the method for using diesel engine are also disclosed. EFFECT: mixtures containing certain polymers with ester groups are characterized by lower pour point as compared with pure mineral diesel fuel with no additives, the lower freezing temperature being conserved if diesel biofuel is added to mineral fuel. 20 cl, 2 tbl, 3 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 441 902 (13) C2 (51) МПК C10L 1/14 (2006.01) C10L 1/18 (2006.01) C10L 10/14 (2006.01) C10L 10/16 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2008143542/05, 13.02.2007 (24) Дата начала отсчета срока действия патента: 13.02.2007 (73) Патентообладатель(и): Эвоник РоМакс Эддитивс ГмбХ (DE) (43) Дата публикации заявки: 20.05.2010 Бюл. № 14 2 4 4 1 9 0 2 (45) Опубликовано: 10.02.2012 Бюл. № 4 (56) Список документов, цитированных в отчете о поиске: US 6409778 B1, 25.06.2002. EP 1541663 A1, 15.06.2005. EP 0626442 A1, 30.11.1994. RU 94045929 A1, 20.07.1996. RU 2167919 С1, 27.05.2001. RU 94042905 A1, 10.08.1996. 2 4 4 1 9 0 2 R U (86) Заявка PCT: EP 2007/051361 (13.02.2007) C 2 C 2 ( ...

Composition having improved filterability

FIELD: chemistry. SUBSTANCE: invention relates to a liquid fuel composition which includes biodiesel fuel and at least one additive for improving filterability, wherein the additive is at least two polyalkyl(meth)acrylate polymers, one of which contains recurrent fragments obtained from alkyl(meth)acrylates having 16-40 carbon atoms in the alkyl residue, and the other contains recurrent fragments obtained from hydroxyl-containing monomers and/or (meth)acrylates of ether alcohols. EFFECT: invention describes a method of improving filterability of liquid fuel containing biodiesel and use of a polyalkyl(meth)acrylate polymer to improve filterability of liquid fuel containing biodiesel. 13 cl, 2 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 564 030 C2 (51) МПК C10L 1/196 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012137684/04, 15.12.2010 (24) Дата начала отсчета срока действия патента: 15.12.2010 Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 10.03.2014 Бюл. № 7 (45) Опубликовано: 27.09.2015 Бюл. № 27 (73) Патентообладатель(и): ЭВОНИК РОМАКС ЭДДИТИВС ГМБХ (DE) (85) Дата начала рассмотрения заявки PCT на национальной фазе: 05.09.2012 2 5 6 4 0 3 0 (56) Список документов, цитированных в отчете о поиске: WO 2010/005947 A2 14.01.2010. WO 2009/077396 A1 25.06.2009. WO 2007/113035 A1 11.10.2007. WO 99/27037 A1 03.06.1999. SU 349188 A3 23.08.1972. RU 2114156 C1 27.06.1998. SU 1055154 A1 15.10.1992 R U 05.02.2010 US 12/700,948 (72) Автор(ы): ХЕСС Брайан (US), САЙБЕРТ Роберт (US), МАЛИТСКИ Мэри А (US), МЭЛИНГ Франк-Олаф (DE), КОШАБЕК Рене (DE), СОНДЯЯ Ронни (DE) EP 2010/069684 (15.12.2010) C 2 C 2 (86) Заявка PCT: (87) Публикация заявки PCT: R U 2 5 6 4 0 3 0 WO 2011/095249 (11.08.2011) Адрес для переписки: 105064, Москва, а/я 88, "Патентные поверенные Квашнин, Сапельников и партнеры" (54) КОМПОЗИЦИЯ С УЛУЧШЕННОЙ ФИЛЬТРУЕМОСТЬЮ (57) Реферат: Изобретение относится к композиции ...

Detergent additive-containing mineral oils having improved cold flow properties

The present invention relates to an oil-soluble amphoteric compound comprising at least one alkyl or alkenyl radical bonded to a polar group, wherein said alkyl or alkenyl radical comprises from 10 to 500 carbon atoms, said polar group comprising at least two nitrogen As the nucleating agent for paraffin crystallization to improve the reaction of the mineral oil low temperature flow improver C) different from the following copolymer B) in a middle distillate comprising at least one ashless nitrogen containing cleaning additive A) At least one oil soluble olefin copolymer B).

Use of detergent additives to improve cold flow characteristics of mineral oils and middle distillates

FIELD: chemistry. SUBSTANCE: present invention relates to use of at least one oil-soluble olefin copolymer B), which acts as a nucleating agent for paraffin crystallisation for improving response of additives C) for improving cold flow of mineral oil, different from B), in middle distillates which contain at least one ash-free, nitrogen-containing detergent additive A), which is an oil-soluble amphiphilic compound which contains at least one alkyl or alkenyl radical bound to a polar group, said alkyl or alkenyl radical having 10-500 carbon atoms and the polar group having 2 or more nitrogen atoms. The additives C) used to improve cold flow contain oil-soluble polar nitrogenous compounds. The present invention also relates to an additive for middle distillates and a middle distillate having sulphur content lower than 100 ppm and 90% final boiling point lower than 360°C. EFFECT: present invention provides use of oil-soluble olefin copolymers as nucleating agents for paraffin crystallisation in order to prevent deterioration of efficiency of traditional additives for improving cold flow under the action of nitrogen-containing detergent additives. 26 cl, 47 ex, 4 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 475 519 (13) C2 (51) МПК C10L 1/14 (2006.01) C10L 1/16 (2006.01) C10L 10/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2010101590/04, 17.06.2008 (24) Дата начала отсчета срока действия патента: 17.06.2008 (72) Автор(ы): КРУЛЛЬ Маттиас (DE), ЯНСЕН Роберт (DE) (43) Дата публикации заявки: 27.07.2011 Бюл. № 21 2 4 7 5 5 1 9 (45) Опубликовано: 20.02.2013 Бюл. № 5 2 4 7 5 5 1 9 R U (85) Дата начала рассмотрения заявки PCT на национальной фазе: 20.01.2010 C 2 C 2 (56) Список документов, цитированных в отчете о поиске: US 4261703 A, 14.04.1981. US 5006130 A, 09.04.1991. US 4678479 A, 07.07.1987. US 4108613 A, 22.08.1978. US 2004/0255511 A1, 23.12.2004. RU 2129587 C1, 27.04.1999. US 4357148 A, 02.11.1982. US ...

Systems and methods of improving diesel fuel performance in cold climates

Embodiments of the present invention are directed toward systems and methods of providing a low-emissions diesel fuel for use in cold climates. Such fuels may be prepared by a Fischer-Tropsch process and include a pour point depressant. Furthermore, the fuel is used in conjunction with a heated fuel delivery system so that low cloud points are not necessary. Fuels prepared according to embodiments of the present invention may be produced in higher yields than otherwise possible because a higher paraffin wax content can be tolerated, thus obviating the need to remove or exclude the wax. These fuels are characterized by a sulfur content less than 1 ppm, a cetane number greater than 60, an aromatics content less than 1 wt %, and a difference between the cloud and pour points that is greater than about 5° C. The present fuel may be prepared by a Fischer-Tropsch synthesis from any number of carbon-containing sources such natural gas, coal, petroleum products, and combinations thereof.

Agent for improving fluidity of fuel oil and fuel oil composition

눈이 조밀한 연료 필터를 연료 공급 라인 중에 구비한 차량에 사용해도, 충분히 플러깅점, 유동점 그리고 왁스 분산성을 개량할 수 있는 연료유용 유동성 향상제를 제공한다. 하기 에스테르 화합물 (A) 및 하기 공중합체 (B) 로 이루어지는 연료유용 유동성 향상제로서, 에스테르 화합물 (A) 와 공중합체 (B) 의 질량비 [(A)/(B)] 가 30/70 ∼ 70/30 인 연료유용 유동성 향상제. (A) 하기 식 (Ⅰ) 로 나타내는 에스테르 화합물. R 1 은 탄소수 17 ∼ 23 의 직사슬 포화 알킬기이고, (EO) 는 옥시에틸렌기를 나타내고, X, Y, Z 는 각각 1 이상의 정수를 나타낸다. 또, 옥시에틸렌기의 평균 부가 몰수 (n) 는, n ＝ (X ＋ Y ＋ Z)/3 이고, 1 ≤ n ≤ 3 을 만족한다. (B) 하기 (b1) ∼ (b3) 을 몰분율 (b1)/(b2)/(b3) ＝ 0.4 ∼ 0.8/0.1 ∼ 0.3/0.1 ∼ 0.3 으로 중합시켜 얻어지는 중량 평균 분자량이 5,000 ∼ 50,000 인 공중합체로서, 그 공중합체를 시차 주사 열량계에 의해 측정하고, 100 ℃ 에서부터 -80 ℃ 까지 10 ℃/분으로 냉각시켜 얻어지는 발열 피크 온도 (Tp) 가, -40 ℃ ≤ Tp ≤ -15 ℃ 인 공중합체. R 2 는 탄소수 10 ∼ 18 의 직사슬 포화 알킬기를 나타낸다. R 3 은 탄소수 8 ∼ 16 의 직사슬 포화 알킬기를 나타낸다. R 4 는 탄소수 10 ∼ 16 의 직사슬 포화 알킬기를 나타낸다. There is provided a fuel-use fluidity improving agent capable of sufficiently improving a plugging point, a pour point, and a wax dispersibility even when used in a vehicle having a fuel filter having a dense snowflake therein. (A) / (B)] of the ester compound (A) and the copolymer (B) is 30/70 to 70/30, and the weight ratio of the ester compound (A) 30 fuel efficiency liquidity improver. (A) An ester compound represented by the following formula (I). R 1 is a linear saturated alkyl group having from 17 to 23 carbon atoms, (EO) is an oxyethylene group, and each of X, Y and Z is an integer of 1 or more. The average addition mole number (n) of the oxyethylene group is n = (X + Y + Z) / 3 and satisfies 1? N? 3. (B) a copolymer having a weight average molecular weight of 5,000 to 50,000 obtained by polymerizing the following (b1) to (b3) at a molar fractions (b1) / (b2) / (b3) = 0.4 to 0.8 / 0.1 to 0.3 / Wherein the copolymer is measured by a differential scanning calorimeter and the exothermic peak temperature (Tp) obtained by cooling from 100 占 폚 to -80 占 폚 at 10 占 폚 / min is -40 占 폚? Tp? -15 占 폚. R 2 represents a linear saturated alkyl group having 10 to 18 carbon atoms. And R 3 represents a linear saturated alkyl group having 8 to 16 ...

Methods of inhibiting precipitation of biodiesel fuel components

Embodiments of the invention provide a method of inhibiting precipitation of biodiesel fuel components. The method includes providing a biodiesel fuel composition; providing a copolymer comprising at least first and second polymer units, said first polymer units derived from a carboxylic acid anhydride and said second polymer units derived from an olefin; and blending said copolymer with the biodiesel fuel to form a treated fuel composition. Alternatively, instead of the copolymer, a dialkylene glycol additive can be provided. Embodiments of the invention provide a method of reducing the cold soak filter blocking tendency of a biodiesel fuel composition.

Improvements in or relating to hydrocarbon compositions

The invention teaches that hydrocarbon compositions may be improved in terms of their stability reserve and in terms of their combustion efficiency, by co-use of a conductivity improver. There is optionally presenta combustion improver selected from an iron compound, a manganese compound, a calcium compound and a cerium compound; and/or an organic compound selected from a bicyclic monoterpene, a substituted bicyclic monoterpene, adamantane, a substituted or unsubstituted bicyclic tetraterpene, and propylene carbonate.

Derivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver additive for oleaginous composition (PT-796)

The present invention is directed to an oil-soluble oleaginous composition additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of from above 20,000 to about 500,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted polymers of this invention are useful per se as additives to oleaginous compositions such as lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful oleaginous composition additives, e.g., as multifunctional viscosity index improvers.

Hydroxyl-containing binary polymer biodiesel pour point depressant and preparation and application thereof

本发明涉及一种含羟基二元聚合物生物柴油降凝剂及其制备与应用，制备方法包括以下步骤：1)通过酯化反应制备甲基丙烯酸高碳酯；2)将甲基丙烯酸高碳酯、甲基丙烯酸羟乙酯加入至溶剂A中，之后加入引发剂并进行聚合反应，得到甲基丙烯酸高碳酯‑甲基丙烯酸羟乙酯二元聚合物，即为含羟基二元聚合物生物柴油降凝剂。与现有技术相比，本发明中的生物柴油降凝剂制备简单，合成方法简便，分散性好，能够有效改善生物柴油在低温下流动性差的问题。

Patent JPS6241558B2

Fuel composition

The flow property and filterability of a fuel oil comprising a middle and/or heavy distillate of petroleum is improved by incorporating in the fuel oil 10-2000 ppm, based on the fuel oil, of a mixture of 1-99% by weight of (A) a copolymer of ethylene with an alkoxyalkyl acrylate or methacrylate represented by the formula: …<CHEM>… wherein R1 represents hydrogen or C1 - C2 alkyl and R2 is -CmH2m-O-CnH2n+1, m and n each being an integer of 1-4, and 99 - 1% by weight of (B) a copolymer of ethylene with a vinyl ester of saturated carboxylic acid and/or an alkyl ester of ethylenic unsaturated carboxylic acid.

Method of producing copolymers of alkyl methacrylates and maleic anhydride

FIELD: chemistry.SUBSTANCE: invention relates to a method of producing a copolymer containing alkyl methacrylate and maleic anhydride. Method of producing a sulfur-free copolymer containing monomer links based on alkyl methacrylate and maleic anhydride-based monomer units are realized by polymerisation in solution of one or more alkyl methacrylates and maleic anhydride in a solvent in the presence of a radical polymerisation initiator, said method comprising the steps of: a) obtaining an initial reaction solution containing maleic anhydride, part of a radical initiator and a solvent, b) adding an additional solution containing one or more alkyl methacrylates and part of a radical polymerisation initiator to the initial reaction solution, and c) adding an additional portion of the radical polymerisation initiator to the reaction solution containing the initial reaction solution and the completely added additive, wherein the sulfur-free copolymer has a number-average molecular weight in range of 4,000 to 18,000 g/mol and a polydispersity coefficient in range of 1 to 5, and wherein molar ratio of one or more alkyl methacrylates and maleic anhydride in the sulfur-free copolymer is in range of 10:1 to 1:1 in terms of total molar amounts of one or more alkyl methacrylates and maleic anhydride used to obtain a sulfur-free copolymer. Disclosed also is a copolymer obtained using the disclosed method with the above characteristics.EFFECT: obtaining a copolymer with high degree of conversion of monomers and low content of residual monomers.10 cl, 5 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 692 103 C2 (51) МПК C08F 220/18 (2006.01) C08F 222/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08F 220/18 (2019.02); C08F 222/06 (2019.02) (21)(22) Заявка: 2017125059, 16.12.2015 (24) Дата начала отсчета срока действия патента: Дата регистрации: 21.06.2019 18.12.2014 EP 14198775.0 (43) Дата публикации заявки: 18.01.2019 ...

Motor fuel compositions comprising renewable raw materials

本发明涉及包含至少一种矿物来源的柴油燃料和至少一种生物柴油燃料的燃料组合物，其特征在于，燃料组合物具有至少20重量％的矿物来源的柴油燃料和0.05至5重量％的至少一种含酯基的聚合物，所述聚合物包含衍生自在醇残基中具有16至40个碳原子的酯单体的重复单元和衍生自醇残基中具有7至15个碳原子的酯单体的重复单元。此外，本发明也记载了含酯基的聚合物作为流动改善剂的用途以及驱动柴油电动机的方法。

COMPOSITION FOR IMPROVING LOW-TEMPERATURE PROPERTIES AND RESISTANCE TO OXIDATION OF VEGETABLE OILS AND ANIMAL FAT

1. Композиция, содержащая(A) от 35 до 50 мас. % по меньшей мере одного полиалкил(мет)акрилатного полимера;(B) от 5 до 15 мас. % по меньшей мере одного этилен-винилацетатного сополимера, включающего фрагменты, являющиеся производными по меньшей мере одного алкил(мет)акрилата, содержащего 1-30 атомов углерода в алкильном остатке;(C) от 10 до 20 мас. % антиоксиданта фенольного типа;(D) от 10 до 25 мас. % стабилизатора смеси; и(E) от 10 до 20 мас. % гликольэфирного растворителягде сумма всех компонентов (А)-(Е) в композиции составляет 100 мас. %.2. Композиция по п. 1, где указанный по меньшей мере один полиалкил(мет)акрилатный полимер в компоненте (А) содержит:(а) от 0 до 40 мас. %, из расчета на общую массу полимера, фрагментов, являющихся производными одного или больше алкил(мет)акрилатных мономеров формулы (I)где R означает атом водорода или метил, иRозначает линейный, разветвленный или циклический алкильный остаток, содержащий 1-6 атомов углерода, в особенности 1-5, и предпочтительно 1-3 атомов углерода;(b) от 40 до 99 мас. %, из расчета на общую массу полимера, фрагментов, являющихся производными одного или больше алкил(мет)акрилатных мономеров формулы (II)где R означает атом водорода или метил, иRозначает линейный, разветвленный или циклический алкильный остаток, содержащий 7-15 атомов углерода; и(c) от 0.1 до 40 мас. %, из расчета на общую массу полимера, фрагментов, являющихся производными одного или больше алкил(мет)акрилатных мономеров формулы (III)где R означает атом водорода или метил, иRозначает линейный, разветвленный или циклический алкильный остаток, содержащий 16-30 атомов углерода,где сумма всех компонентов (а)-(с) составляет 100 мас. %.3. Композиция по п. 1, где этилен-винилацетатный сополимер в компоненте (В) содержит:(i) от 2 до 40 мас. % винилацетата;(ii) от 30 до 80 мас. % РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C10L 1/14 (13) 2015 113 314 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) ...

Olefin-acrylate polymers in refinery and oilfield applications

본 발명은 액체 탄화수소의 왁스 함유 혼합물의 유동점을 낮추는데 유용한 물질, 및 이의 조성물, 및 이를 제조하는 방법에 관한 것이다. 더 구체적으로는, 본 발명은 (i) 히드로카르빌 (메트)아크릴산 유도체 및 (ii) 탄소 원자 수 50개 이하인 에틸렌계 불포화 지방족 Nα-올레핀 단량체로부터 유도된 단위를 함유하는 OLAC 조성물의 액체 탄화수소에서의 용도에 관한 것이다. OLAC 조성물은 액체 탄화수소의 유동성과 유량 특성을 변경하는데 유용하며, 더 구체적으로는 액체 탄화수소의 파이프라인 펌프 능력을 향상시키는데 유용하다. The present invention relates to materials useful for lowering the pour point of wax-containing mixtures of liquid hydrocarbons, and compositions thereof, and methods of making the same. More specifically, the present invention relates to a liquid hydrocarbon of an OLAC composition containing units derived from (i) a hydrocarbyl (meth)acrylic acid derivative and (ii) an ethylenically unsaturated aliphatic Nα-olefin monomer having 50 or less carbon atoms. It relates to the use of. OLAC compositions are useful for modifying the fluidity and flow characteristics of liquid hydrocarbons, and more particularly for improving the pipeline pumping capacity of liquid hydrocarbons.

A kind of preparation method of quadripolymer diesel pour inhibitor

本发明公开了一种四元共聚物柴油降凝剂的制备方法，至少包括以下步骤：a、在溶剂条件下，以甲基丙烯酸与高级醇为原料合成甲基丙烯酸高碳醇酯；b、在溶剂条件下，以马来酸酐与高级醇为原料合成得马来酸酐高碳醇酯；c、在溶剂条件下，以甲基丙烯酸高碳醇酯、马来酸酐高碳醇酯、醋酸乙烯酯和苯乙烯为单体，再加入引发剂，制备得四元共聚物柴油降凝剂；其中，甲基丙烯酸高碳醇酯：马来酸酐高碳醇酯：醋酸乙烯酯和苯乙烯的摩尔比为4:1.8～2.2:2.8～3.2:0.8～1.2。本发明的有益效果是：采用四元共聚物降凝剂替代现有均聚物降凝剂，四元共聚物降凝剂的降凝效果明显好于单一组成的均聚物降凝剂。

Derivatives of amides or salts of amine phthalic acid, distillate light fuel and concentrate

FIELD: organic chemistry; production of distillate light fuel. SUBSTANCE: amides or salts of amines of phthalic acid having formula where Z is nitro, hydroxy, lower alkoxy, lower alkyl, COOH or COO(lower alkyl); X 1 -NR 1 R 2 , Y′-NR 1 R 2 , + NH 2 R 1 R + 2 ,NHR 1 (R 2 ) 2 ,; R 1 and R 2 being the same or different are (C 10 -C 30 )alkyl or (C 10 -C 30 )alkoxy alkyl are prepared by interaction of suitable anhydride and amine. EFFECT: improved quality of desired product. 9 cl, 5 tbl, 7 dwg па (19) 13) ВИ” 2101 276. (51) МПК СЛ С 07С 233/65, 233/89, © 40% 1/48, 1/22 РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 92016337/04, 19.04.1991 (71) Заявитель: Эксон Кемикэл Пейтентс Инк. (1$) (30) Приоритет: 19.04.1990 СВ 9008811 (72) Изобретатель: Грэхэм Джексон[СВ], (46) Дата публикации: 10.01.1998 Роджер Франк Эндреюс[СВ] (56) Ссылки: 1. Ц5, патент, 3444082, кл. С 10 М (73) Патентообладатель: 1/36, 1968. 2. ($, патент, 4211534, кл. С 10 Эксон Кемикэл Пейтентс Инк. (43) < [ 1/22, 1980. 3. ЦЗ, патент, 4375973, кл. С Ф) ТОТ 1/16, 1983. 4. Ц, патент, 4402708, кл. СЛОГ 1/16, 1983. (86) Заявка РСТ: о СВ 91100623 (19.04.91) ^ (54) ПРОИЗВОДНЫЕ АМИДОВ ИЛИ СОЛЕЙ АМИНОВ ФТАЛЕВОЙ КИСЛОТЫ, ДИСТИЛЛЯТНОЕ ЛЕГКОЕ сч ТОПЛИВО И КОНЦЕНТРАТ — (57) Реферат: полученные взаимодействием © Предложены производные амидов или соответствующего ангидрида и амина. солей аминов фталевой кислоты формулы Предложено также дистиллятное легкое в 2 1 топливо и концентрат, содержащий смесь . сом присадок. 3 с. из з.п.ф-лы, 5 табл. ,7 ил. © МИКРОНЫ 25 3% 9..2... 50 ааа кн 100 |: Га 1 о со % 80| 2 О о > аби где 7 означает нитро, гидрокси, низший .— — и ы 0 алкокси, низший алкил, СООН или и —. .. Ен ‚И СОСО\(низший алкил), Х1-МЕ1В>, я И и и № У 1-МВ. В, “МНЫРаВо, “МНВА(В2)р, Ка и И | В, одинаковые или различные означают мо ме № № шп Фиг. 1 (С 10-Сзозалкил или (Слуо-Сзоалкоксиалкил, ЭС ЕсС Го ЭдсгоОгс ПЧ Го 13) ВУ” 21401 276 Сл (51) 21° ...

A composition to improve low temperature properties and oxidation stability of vegetable oils and animal fats

본 발명은 (A) 15000 내지 75000 g/mol의 수 평균 분자량 M n 을 갖는 하나 이상의 폴리알킬 (메트)아크릴레이트 중합체; (B) 알킬 잔기 내에 1 내지 30개의 탄소 원자를 갖는 하나 이상의 알킬 (메트)아크릴레이트로부터 유도된 단위를 포함하는 하나 이상의 에틸렌 비닐 아세테이트 공중합체; (C) 페놀계 유형 항산화제; (D) 혼합물 안정화제; 및 (E) 글리콜 에테르 용매를 포함하는 조성물을 기술한다. 상기 조성물은 식물성 오일 및 동물성 지방에서의 저온 유동 개선제 및 산화 안정화제로서 유용하다.

The preparation method and its pour-point depressant of a kind of diesel pour inhibitor

本发明公开了一种柴油降凝剂的制备方法及其降凝剂，其中，所述方法包括如下步骤：1)将溶剂添加到反应釜中，再将聚乙烯醋酸乙烯酯和聚甲基丙烯酸酯添加到反应釜中，在搅拌的条件下，进行升温达到60～120℃，压强控制在0.01～0.02MPa，溶解反应1～6小时，反应结束后，待压强降至0MPa，得到初期产物；2)得到的初期产物，在保温条件下，通过剪切设备进行反复剪切处理，直至初期产物在100℃条件下，运动粘度达到30～200mm 2 /s，停止剪切，获得成品；上述制备方法仅需要简单溶解和剪切步骤即可，制作简单，成本低廉，而且通过该方法制备的降凝剂具有降凝效果好等优点。

Composition of fuel oils

본 발명은, According to the present invention, 에틸렌과, C 1 -C 18 -알킬 라디칼을 가지며 분지도가 5CH 3 /100CH 2 그룹 미만인 하나 이상의 아크릴산 에스테르 또는 비닐 에스테르 18 내지 35몰%와의 공중합체(A) 및 Copolymers (A) with ethylene and from 18 to 35 mole percent of at least one acrylic ester or vinyl ester having a C 1 -C 18 -alkyl radical and having a branching degree of less than 5CH 3 / 100CH 2 groups; 단량체 1로서 올레핀 이중 결합에 하나 이상의 C 8 -C 18 -알킬 라디칼을 함유하는 하나 이상의 올레핀(B1)의 구조 단위와 단량체 2로서 에스테르 그룹을 통해 결합된 C 8 -C 16 -알킬 라디칼을 하나 이상 함유하는 하나 이상의 에틸렌성 불포화 디카복실산(B2)의 구조 단위를 포함하고, 수학식 1의 파라미터 Q가 23 내지 27인 빗(comb) 형태의 중합체(B)를 포함하는 첨가제를 제공한다. Structural units of at least one olefin (B1) containing at least one C 8 -C 18 -alkyl radical in the olefinic double bond as monomer 1 and at least one C 8 -C 16 -alkyl radical bonded via an ester group as monomer 2 An additive is provided comprising a structural unit of at least one ethylenically unsaturated dicarboxylic acid (B2) containing and comprising a polymer (B) in the form of a comb in which the parameter Q in formula (1) is 23 to 27. 수학식 1 Equation 1 위의 수학식 1에서, In Equation 1 above, w 1 은 단량체 1의 알킬 라디칼들에서의 각각의 쇄 길이의 몰 비율이고, w 1 is the molar ratio of the respective chain length in the alkyl radicals of monomer 1, w 2 는 단량체 2의 에스테르 그룹들의 알킬 라디칼들에서의 각각의 쇄 길이의 몰 비율이고, w 2 is the molar ratio of the respective chain length in the alkyl radicals of the ester groups of monomer 2, n 1 은 단량체 1의 알킬 라디칼들에서의 각각의 쇄 길이고, n 1 is the length of each chain in the alkyl radicals of monomer 1, n 2 는 단량체 2의 에스테르 그룹들의 알킬 라디칼들에서의 각각의 쇄 길이고, n 2 is the respective chain length in the alkyl radicals of the ester groups of monomer 2, i는 단량체 1의 알킬 라디칼에서 쇄 길이의 시리얼 변수이고, i is the serial variable of the chain length in the alkyl radical of monomer 1, j는 단량체 2의 에스테르 그룹들의 알킬 라디칼들에서 쇄 길이의 시리얼 변수이다. j is the serial variable of the chain length in the alkyl radicals of the ester groups of monomer 2. 저온 유동 개선제, 식물성 연료 오일, 동물성 연료 오일, 바이오매스, 첨가제. Cold flow improvers, vegetable fuel oils, animal fuel oils, biomass, ...

Method for improving cold flow of hydrocarbon fuel oils

내용 없음. No content.

APPLICATION OF AN ADDITIVE TO IMPROVE THE LOW FLOW OF FUEL COMPOSITIONS, ITS MIXTURES WITH BIOFUEL AND THEIR COMPOSITION

1. Применение полиалкил(мет)акрилата, содержащего мономерные звенья:(а) от 0% до 40 мас. % одного или более этиленненасыщенных сложноэфирных соединений формулы (I)в которойR является Н или СН,Rпредставляет собой линейную или разветвленную, насыщенную или ненасыщенную алкильную группу, содержащую от 1 до 9 атомов углерода, или циклоалкильную группу, содержащую от 3 до 9 атомов углерода,Rи Rнезависимо представляют собой Н или группу формулы -COOR′, в которой R′ является Н или линейной или разветвленной, насыщенной или ненасыщенной алкильной группой, содержащей от 1 до 9 атомов углерода, или циклоалкильной группой, содержащей от 3 до 9 атомов углерода,(b) от 20% до 98 мас. % одного или более этиленненасыщенных сложноэфирных соединений формулы (II)в которойR является Н или СН,Rпредставляет собой линейную или разветвленную, насыщенную или ненасыщенную алкильную группу, содержащую от 10 до 22 атомов углерода,Rи Rнезависимо представляют собой Н или группу формулы -COOR″, в которой R″ представляет Н или является или линейной разветвленной, насыщенной или ненасыщенной алкильной группой, содержащей от 10 до 22 атомов углерода,(c) от 0% до 10 мас. % одного или более этиленненасыщенных сложноэфирных соединений формулы (III)в которойR является Н или СН,Rпредставляет собой линейную или разветвленную, насыщенную или ненасыщенную алкильную группу, содержащую от 23 до 40 атомов углерода,Rи Rнезависимо представляют собой Н или группу формулы -COOR′′′, в которой R′′′ является Н или линейной или разветвленной, насыщенной или ненасыщенной алкильной группой, содержащей от 23 до 40 атомов углерода,(d) от 0% до 30 мас. % виниловых ароматических мономеров, и(e) от 2% до 80 мас. % по меньшей мере одного мономера N-диспергатора,в котором компоненты от (а) до (е) доба РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2014 147 608 A (51) МПК C10L 10/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2014147608, 22.04.2013 (71) Заявитель(и): Эвоник ...

Middle distillate compositions with improved cold flow properties

내용 없음. No content.

Improvements in polymers

본 발명은 하기 화학식 Ⅰ의 구조 단위 및 하기 화학식 Ⅱ의 구조 단위를 포함하는 무황(sulphur-free) 중합체에 관한 것이고, 이때 중합체중 화학식 Ⅰ의 구조 단위:화학식 Ⅱ의 구조 단위의 몰비는 100:1 내지 2:1이다: 화학식 Ⅰ 화학식 Ⅱ 상기 식에서, R 1 은 C 8 -C 22 알킬기, 바람직하게는 C 12 -C 16 알킬기이고; R 2 는 수소 또는 메틸이고; R 3 는 -R 5 (OR 6 ) n OR 7 이고; R 5 및 R 6 는 동일하거나 상이할 수 있고, 독립적으로 선형 또는 분지된 C 1 -C 8 알킬렌기이고; n은 1 내지 20의 정수이고; R 7 은 C 1 -C 4 알킬기이고; R 4 는 수소 또는 메틸이다. 상기 중합체는 석유 공급원으로부터의 연료유, 식물 또는 동물 공급원으로부터의 연료유 및 이들 연료유의 혼합물의 저온 특성을 개선한다. The present invention relates to a sulfur-free polymer comprising a structural unit of the formula (I) and a structural unit of the formula (II): wherein the molar ratio of the structural unit of formula (I) to the structural unit of formula To 2: 1: Formula I (II) In this formula, R 1 is a C 8 -C 22 alkyl group, preferably a C 12 -C 16 alkyl group; R 2 is hydrogen or methyl; R 3 is -R 5 (OR 6 ) n OR 7 ; R 5 and R 6 , which may be the same or different, are independently a linear or branched C 1 -C 8 alkylene group; n is an integer from 1 to 20; R 7 is a C 1 -C 4 alkyl group; R &lt; 4 &gt; is hydrogen or methyl. The polymer improves the low temperature properties of fuel oil from a petroleum source, fuel oil from a plant or animal source, and mixtures of these fuel oils.

PROCEDURE FOR PREPARING ETHYLENE BASED POLYMERS WHICH HAVE LOW MOLECULAR WEIGHT.

PROCEDIMIENTO DE POLIMERIZACION PARA OBTENER COPOLIMEROS ELASTOMERICOS O TERPOLIMEROS BASADOS EN ETILENO PARA MEJORADOR DE FLUJO FRIO (CFI) CON UN PESO MOLECULAR MEDIO VISCOSIMETRICO QUE VARIE ENTRE 600 Y 16.000, QUE COMPRENDE A) POLIMERIZACION DE MONOMEROS EN SUSPENSION EN PRESENCIA DE UN LIQUIDO DE ALFA-OLEFINA EN LAS CONDICIONES DE REACCION, EN PRESENCIA DE UNA CANTIDAD DE SOLVENTE DESDE ALREDEDOR DEL 5 AL 30% EN VOLUMEN DEL VOLUMEN DEL REACTOR EN PRESENCIA DE UN CATALIZADOR DE POLIMERIZACION CAPAZ DE PROPORCIONAR LOS PARAMETROS X{SUB,2} Y/O X{SUB,4}, INFERIOR O IGUAL A 0,02, X{SUB,2} Y X{SUB,4} REPRESENTANDO LA FRACCION DE SECUENCIAS METILENICAS ININTERRUMPIDAS DE 2 Y 4 GRUPOS METILENICOS ENTRE DOS GRUPOS DE METILO O METILENO SUCESIVOS RESPECTIVAMENTE EN LA CADENA POLIMERICA, COMPARADO CON LAS SECUENCIAS TOTALES ININTERRUMPIDAS DE GRUPOS DE METILENO DETERMINADOS POR {SUP,13}CNMR; B) TRANSPORTE DE LA PASTA DE REACCION EN UNA PIPETA DE COLORANTE PARA LA EVAPORACION DE LOS MONOMEROS NO REACCIONADOS Y DE CANTIDADES MINIMAS DE SOLVENTE; C) SEPARACION DE LA PARTE POLIMERICA CON LA CANTIDAD DE SOLVENTE INTRODUCIDA EN LA REACCION COMO PIE SOLVENTE, EN SOLVENTE DEL MISMO TIPO O DIFERENTE,. PARA OBTENER LAS CONCENTRACIONES DESEADAS DE POLIMERO, Y DESACTIVACION DEL CATALIZADOR MEDIANTE BURBUJAS DE CORRIENTE DE AIRE HUMEDO. POLYMERIZATION PROCEDURE TO OBTAIN ETHYLENE-BASED ETHYLENE OR THERPOLYMER COPOLYMERS FOR COLD FLOW IMPROVER (CFI) WITH A MEDIUM VISCOSYMMETRIC WEIGHT WHICH VARIES BETWEEN A SINGLE POLIER OF ENERGY AND A POLYMARY OF A POLYMER PRESENT AT A POLYMER PRESENCE OF A MULTIPURPOSE OF) OLEFINE IN REACTION CONDITIONS, IN THE PRESENCE OF A QUANTITY OF SOLVENT FROM AROUND 5 TO 30% BY VOLUME OF THE REACTOR VOLUME IN THE PRESENCE OF A POLYMERIZATION CATALYST CAPABLE OF PROVIDING PARAMETERS X {SUB, 2} AND / OX {SUB , 4}, LESS THAN OR EQUAL TO 0.02, X {SUB, 2} AND X {SUB, 4} REPRESENTING THE FRACTION OF UNINTERRUPTED METHYLENE SEQUENCES OF 2 AND 4 METHYLENEIC GROUPS ...

Patent FR2197062B1

Composition of cold operability additives for middle distillates.

Lubricant additives and improved lubricating compositions

Patent FR2046311A5

Copolymer blends and their use as additives for improving the cold flow properties of middle distillates

Copolymer blends and their use as additives for improving the cold flow properties of middle distillates The invention relates to additives for improving the cold flow properties of middle distillates, containing from 10 to 95% by weight of copolymers A), from 5 to 90% by weight of copolymers B) and, if required, from 0 to 70% by weight of copolymers C), which correspond to the following formulae: A) copolymers of lower olefins and vinyl esters, containing A1) from 85 to 97 mol% of bivalent structural units of the formula in which R1 and R2, independently of one another, are hydrogen or methyl, and A2) at least 3 mol% of bivalent structural units of the formula in which R3 is saturated, branched C6-C16-alkyl which has a tertiary carbon atom, wherein R3 is bonded with its tertiary carbon atom to the carboxyl function, B) copolymers comprising B1) from 40 to 60 mol% of bivalent structural units of the formula

Cold flow improving additive for middle distillate fuel oils - contains ethylene (co)polymer and co-additive comprising wax or (alpha)-olefins

Middle distillate (atmospheric) fuel oil compsns. (having a cloud point of >=-15 degrees C) contain 0.005-3 wt. % of a synergistic flow improving additive package comprising (A) 0.3-10 pts. wt. of an oil-soluble ethylene-contg. polymeric pour point depressant (no. ave. mol. wt.:500-50000, pref. 1000-5000) selected from (i) branded polyethylene, (ii) chlorinated (5-35 wt. % Cl) polyethylene and (iii) copolymers of 3-40 molar proportions of ethylene with a 3-16C alpha-monoolefin or a monoethylenically unsaturated mono- or diester of formula R1R2C=CHR3 (where R1 is H or methyl; R2 is an -OOCR4 or -COOR4 gp. where R4 is H or 1-16C alkyl; and R, is H or -COOR4) per 1 pt. wt. (B) a coadditive selected from (a) beeswax, (b) ozokerite wax and (c) a mixt. of alpha-monoolefins (24-50C, with the majority being >=30C). The additive is used esp. with fuel oils boiling in the range 120-400 degrees C, having cloud points of 5 degrees C to -15 dgrees C and pour points within 3 degrees C of the cloud point, e.g. diesel fuels and heating oils. The additive controls the wax crystal size of the fuels to improve filterability and cold flow properties.

Patent FR2426730B1

Improved fuels

Patent FR2305493B1

Copolymers of olefins and carbon monoxide - as oil point depressants

Hydrocarbon oil pour point depressants (I) comprising polyketones (II) prepared by copolymerisation of alpha-olefin (III) and carbon monoxide in presence of free radical catalysts (IV). (II) have no. mol. wts. 500-5000 (pref. 1000-3000) and are used in amounts of 0.001-2.0% wt based on hydrocarbon oil depending on type of oil to be treated. Amounts of (III) and CO in (II) are 80-95% wt and 5-20% wt respectively. (I) is suitable for use with wide range of hydrocarbon oils, especially for fuels and as wax crystal modifiers.

Additive for distillate fuel oils - comprising cold-flow improver, pour-point depressant and wax-agglomeration inhibitor

Additive combination for distillate fuel oils comprises (a) a cold-flow improver; (b) a pour-point depressant; and (c) a wax-agglomeration inhibitor of formula RX (where R is an oil-solubilising hydrocarbon radical and X is a polar gp). Component (a) is pref. an ethylene-main-chain polymer with a mol. wt. of 500-5000. This polymer can be a branched polyethylene, a hydrogenated polybutadiene, a chlorinated polyethylene contg. 10-35 wt. % Cl, or a copolymer of 3-40 moles ethylene with 1 mole of a 3-16C alpha-monoalkene, vinyl chloride or an ester of formula R1R2C=CHR3 (where R1 = H or Me; R2 = OOCR4 or COOR4; R4 is H or 1-28C alkyl; R3 = H or COOR4). Component (c) inhibits the formation of large wax-crystal agglomerates, which normally tend to settle to the bottom of the storage tank when fuel oils are stored at low temps. for long periods.

Patent FR2009502B1

Fluidity improvers

1,245,879. Olefin-maleic ester polymers. MOBIL OIL CORP. 5 Aug., 1969 [29 Aug., 1968], No. 39164/69. Heading C3P. [Also in Division C5] Esters of copolymers of 1-olefins containing at least 22 carbon atoms with maleic anhydride may be used to improve the fluidity of hydrocarbon liquids. Preferred esters are derived from commercial alcohols based on behenyl and eicosyl alcohols. Polymerization may be effected in the presence of di-t.butyl peroxide and esterification in the presence of p-toluene sulphonic acid. Examples describe the copolymerization of mixtures of (1) C 30 and higher olefins with maleic anhydride, and the esterification of the copolymers with (2 and 5) behenyl alcohol and (3 and 4) eicosyl alcohol; and of (6) mixtures of C 22-28 olefins with maleic anhydride, and the esterification of the copolymers with (7) behenyl alcohol.

Pour point reduction and paraffin deposition reduction by use of imidazolines

This invention provides a composition and a method of using a composition containing an imidazoline, optionally containing a paraffin inhibitor, for improving the pour point of liquid hydrocarbons, such as crude oil and petroleum fuel, and/or inhibiting or reducing the formation of paraffin deposits in such liquids.

Copolymers based on diketenes, ethylenically unsaturated dicarboxylic acids or dicarboxylic acid derivatives and ethylenically unsaturated hydrocarbons

The invention relates to copolymers of: a) 1 to 65 mol% of at least one diketen of the general formula (I) in which R<1> and R<2> are mutually independently hydrogen or C1-C30 alkyl; b) 30 to 70 mol% of at least one ethylenically unsaturated bicarboxylic acid or a derivative thereof; c) 0.5 to 60 mol% of at least one ethylenically unsaturated hydrocarbon; and d) up to 20 mol% of at least one other ethylenically unsaturated monomer. The invention also relates to a process for their production, modified copolymers obtainable by reacting these copolymers with NH, SH and/or OH-functional compounds, the use of the possibly modified copolymer as an additive for middle petroleum distillates and middle petroleum distillates containing them.

fuel oil composition comprising a biodiesel oil, method for improving the filterability of said oil, and use of an additive

composição possuindo filtrabilidade melhorada. a presente invenção refere-se auma composição de óleo combustível que compreende pelo menos um óleo biodiesel e pelo menos um aditivo para melhorar a filtrabilidade. alem disso, a presente invenção divulga um método para melhorar a filtrabilidade de um óleo combustível que compreende um biodiesel e um uso de um polímero de (met)acrilato de polialquila para melhorar a filtrabilidade de um óleo combustível que compreende um biodiesel. composition having improved filterability. The present invention relates to a fuel oil composition comprising at least one biodiesel oil and at least one additive to improve filterability. In addition, the present invention discloses a method for improving the filterability of a fuel oil comprising a biodiesel and a use of a polyalkyl (meth) acrylate polymer to improve the filterability of a fuel oil comprising a biodiesel.

Polymer combinations useful in distillate hydrocarbon oils to improve cold flow properties

Polymer compositions.

Low pour point gas fuel from waxy crudes polymers to improve cold flow properties

Composition for improving cold flow properties of middle distillates

ABSTRACT OF THE DISCLOSURE A wax-containing middle distillate, such as diesel fuel, having improved low temperature flow properties comprises three or more components including (A) an oil-soluble ethylene backbone flow improving polymer such as ethylene vinyl acetate copolymer, (B) a hydrocarbyl substituted amine salt and/or amide of a carboxylic acid or anhydride such as phthalic anhydride salts, and (C) a hydrocarbyl substituted amine salt and/or amide of (I) a benzoic acid derivative such as the dihydrogenated tallow amine salt of an alkyl substituted dithiobenzoic acid or (II) a phosphoric acid derivative such as the dihydrogenated tallow amine salt of dialkyldithiophosphoric acid.

Copolymers of bicyclo (meth) acrylic esters and alkyl (meth) acrylates and their use as rheology modifiers in fuels

本发明涉及可通过使至少以下单体共聚而获得的特定共聚物：至少一种双环(甲基)丙烯酸酯；至少一种(甲基)丙烯酸低级烷基酯；任选且优选地，至少一种芳族乙烯基单体；和任选地其他烯属不饱和单体，其中共聚物的重均分子量使用GPC‑MALS技术在40℃的THF溶液中测得为100,000‑10,000,000道尔顿，以及合成该类共聚物的方法和该类聚合物在改变其可溶的液体的流变性中的用途。

Improved process for producing free radical polymerized copolymers

Process for the copolymerization of free radical polymerizable comonomers su ch as vinyl acetate with an unsaturated diester such as dialkyl fumarate which is carried out in the presence of water to produce copolymers such as fumarate vinyl acetate copolymers useful as lubricating oil and fuel oil additives, f or example, as wax crystal modifiers and flow improvers.

Slurries additive agent and water-coal-slurry

本发明公开了水煤浆添加剂及其水煤浆。该水煤浆添加剂，在木质素分散剂中添加有聚羧酸分散剂，聚羧酸聚合物吸附在煤粉颗粒及其水化物上，形成具有一定厚度的吸附层和一定的吸附形态，从而大大改变了固液界面的物化性质和颗粒之间的作用力，由此同木质素发生协同作用以达到改善分散性的效果。

ADDITIVE AS A COMPONENT OF MINERAL COMPOSITIONS

Polymer compositions

ABSTRACT POLYMER COMPOSITIONS The invention provides polymer compositions comprising a dispersion of at least one polymer obtained by polymerisation of at least one olefinically unsaturated compound, which polymer contains aliphatic hydrocarbon side chains of at least 10 carbon atoms, in a continuous liquid phase comprising a surfactant and at least one liquid polyol: a process for the preparation of the compositions; and their use as pour point depressants.

Liquid hydrocarbon mixtures, especially crude oils with improved fluidity

POLYMERIC ADDITIVES IMPROVING THE PROPERTIES OF HYDROCARBON OILS