AU2010267626B2 - Ethylene/vinyl acetate/unsaturated esters terpolymer as an additive for improving the resistance to cold of liquid hydrocarbons such as middle distillates and fuels - Google Patents
Ethylene/vinyl acetate/unsaturated esters terpolymer as an additive for improving the resistance to cold of liquid hydrocarbons such as middle distillates and fuels Download PDFInfo
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- AU2010267626B2 AU2010267626B2 AU2010267626A AU2010267626A AU2010267626B2 AU 2010267626 B2 AU2010267626 B2 AU 2010267626B2 AU 2010267626 A AU2010267626 A AU 2010267626A AU 2010267626 A AU2010267626 A AU 2010267626A AU 2010267626 B2 AU2010267626 B2 AU 2010267626B2
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- 239000000654 additive Substances 0.000 title claims abstract description 55
- 239000000446 fuel Substances 0.000 title claims abstract description 31
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000005977 Ethylene Substances 0.000 title claims abstract description 20
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical class CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 230000000996 additive effect Effects 0.000 title claims abstract description 11
- 229920001897 terpolymer Polymers 0.000 title claims description 27
- 229930195733 hydrocarbon Natural products 0.000 title claims description 20
- 150000002430 hydrocarbons Chemical class 0.000 title claims description 20
- 239000007788 liquid Substances 0.000 title description 3
- 229920001577 copolymer Polymers 0.000 claims abstract description 51
- 229920001567 vinyl ester resin Polymers 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims description 44
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 9
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 9
- 229910052717 sulfur Inorganic materials 0.000 claims description 9
- 239000011593 sulfur Substances 0.000 claims description 9
- 239000002283 diesel fuel Substances 0.000 claims description 5
- IJRVDOPVQJSPRP-UHFFFAOYSA-N octan-4-yl prop-2-enoate Chemical group CCCCC(CCC)OC(=O)C=C IJRVDOPVQJSPRP-UHFFFAOYSA-N 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000003350 kerosene Substances 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 239000003599 detergent Substances 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims description 2
- 239000002518 antifoaming agent Substances 0.000 claims description 2
- 239000003139 biocide Substances 0.000 claims description 2
- 239000003225 biodiesel Substances 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 239000003995 emulsifying agent Substances 0.000 claims description 2
- 239000003607 modifier Substances 0.000 claims description 2
- 239000004071 soot Substances 0.000 claims description 2
- -1 monocarboxylic acid ester Chemical class 0.000 abstract description 14
- LNMQRPPRQDGUDR-UHFFFAOYSA-N hexyl prop-2-enoate Chemical compound CCCCCCOC(=O)C=C LNMQRPPRQDGUDR-UHFFFAOYSA-N 0.000 abstract 1
- 239000004711 α-olefin Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 8
- 150000002148 esters Chemical class 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000012188 paraffin wax Substances 0.000 description 4
- 239000002028 Biomass Substances 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 239000010775 animal oil Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000002198 insoluble material Substances 0.000 description 3
- 239000010773 plant oil Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 150000001733 carboxylic acid esters Chemical class 0.000 description 2
- 238000004523 catalytic cracking Methods 0.000 description 2
- 238000004517 catalytic hydrocracking Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- GVTLFGJNTIRUEG-ZHACJKMWSA-N (e)-n-(3-methoxyphenyl)-3-phenylprop-2-enamide Chemical class COC1=CC=CC(NC(=O)\C=C\C=2C=CC=CC=2)=C1 GVTLFGJNTIRUEG-ZHACJKMWSA-N 0.000 description 1
- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 description 1
- OBETXYAYXDNJHR-UHFFFAOYSA-N 2-Ethylhexanoic acid Chemical compound CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 1
- NKRVGWFEFKCZAP-UHFFFAOYSA-N 2-ethylhexyl nitrate Chemical compound CCCCC(CC)CO[N+]([O-])=O NKRVGWFEFKCZAP-UHFFFAOYSA-N 0.000 description 1
- OHOUIAHUZTUEDO-UHFFFAOYSA-N C(C)C=C(C(=O)O)CCCCCC.C(=C)CC(=O)O Chemical compound C(C)C=C(C(=O)O)CCCCCC.C(=C)CC(=O)O OHOUIAHUZTUEDO-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000003254 anti-foaming effect Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- KQNZLOUWXSAZGD-UHFFFAOYSA-N benzylperoxymethylbenzene Chemical compound C=1C=CC=CC=1COOCC1=CC=CC=C1 KQNZLOUWXSAZGD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- SHZIWNPUGXLXDT-UHFFFAOYSA-N caproic acid ethyl ester Natural products CCCCCC(=O)OCC SHZIWNPUGXLXDT-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- RZRNAYUHWVFMIP-HXUWFJFHSA-N glycerol monolinoleate Natural products CCCCCCCCC=CCCCCCCCC(=O)OC[C@H](O)CO RZRNAYUHWVFMIP-HXUWFJFHSA-N 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 125000003367 polycyclic group Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical class O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/14—Use of additives to fuels or fires for particular purposes for improving low temperature properties
- C10L10/16—Pour-point depressants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/192—Macromolecular compounds
- C10L1/195—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/197—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and an acyloxy group of a saturated carboxylic or carbonic acid
- C10L1/1973—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and an acyloxy group of a saturated carboxylic or carbonic acid mono-carboxylic
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/143—Organic compounds mixtures of organic macromolecular compounds with organic non-macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/14—Use of additives to fuels or fires for particular purposes for improving low temperature properties
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/04—Organic compounds
- C10L2200/0407—Specifically defined hydrocarbon fractions as obtained from, e.g. a distillation column
- C10L2200/043—Kerosene, jet fuel
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/04—Organic compounds
- C10L2200/0407—Specifically defined hydrocarbon fractions as obtained from, e.g. a distillation column
- C10L2200/0438—Middle or heavy distillates, heating oil, gasoil, marine fuels, residua
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/04—Organic compounds
- C10L2200/0407—Specifically defined hydrocarbon fractions as obtained from, e.g. a distillation column
- C10L2200/0438—Middle or heavy distillates, heating oil, gasoil, marine fuels, residua
- C10L2200/0446—Diesel
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/04—Organic compounds
- C10L2200/0461—Fractions defined by their origin
- C10L2200/0469—Renewables or materials of biological origin
- C10L2200/0476—Biodiesel, i.e. defined lower alkyl esters of fatty acids first generation biodiesel
Abstract
The invention relates to the use, as an additive improving the resistance to cold and carbide filterability of fuels, of at least one copolymer including: 81 to 87 mol % of at least one alpha-olefin, preferably of at least ethylene; 10.5 to less than 12 mol % of at least one vinyl ester, preferably of at least vinyl acetate; and 1 to 8 mol % of at least one alpha-beta unsaturated monocarboxylic acid ester, preferably of at least ethyl-2 or hexyl acrylate.
Description
1 ETHYLENE /VINYL ACETATE/UNSATURATED ESTERS TERPOLYMER AS AN ADDITIVE FOR IMPROVING THE RESISTANCE TO COLD OF LIQUID HYDROCARBONS SUCH AS MIDDLE DISTILLATES AND FUELS Technical field. 5 The invention relates to the use of copolymers of a-olefin, vinyl ester and a,-unsaturated carboxylic acid ester, as additives improving cold resistance of fuels and lubricants as well as fuel oils and packages containing these copolymers. Prior art. The reference to prior art in this specification is not and should not be taken as an 10 acknowledgment or any form of suggestion that the referenced prior art forms part of the common general knowledge in Australia or in any other country.At a reduced temperature, compositions of hydrocarbons, notably based on middle distillate types containing paraffinic waxes, such as for example diesel fuels and heating oils, exhibit a significant decrease in their flow properties. It is well-known that the crystallization of paraffins is a limiting factor in the use of 15 middle distillates. Also, it is important to prepare diesel fuels adapted to temperatures at which they will be used in motor vehicles, i.e. to the surrounding climate. Generally, cold operability of fuels at -10 *C is sufficient in many hot or temperate countries. But in countries with a cold climate such as the Scandinavian countries, Canada and the countries of North Asia, temperatures of use of the fuels much lower than -20 *C may be attained. The same applies to domestic oils stored 20 outside buildings (houses, apartment blocks,...). This adequacy of cold operability of fuels of the middle distillate type is important, notably for the cold starting of engines. If the paraffins are crystallized at the bottom of the tank, upon starting they may be driven into the fuel circuit and notably block the filters and pre-filters positioned upstream from the injection systems (pump and injectors). Also, when storing domestic oils, paraffins precipitate to the bottom of the tank and 25 may be driven and obstruct the conduits upstream from the pump and from the supply system of the boiler (nozzle and filter). It is obvious that the presence of solids, such as paraffin crystals, prevents normal circulation of the middle distillate. In order to improve their flow either in the engine or towards the boilers, several types of additives have been developed. 30 In a first phase, the petrol industry was committed to developing so-called cold flow additives (cold flow improvers or CFI) promoting dispersion of paraffin crystals and thereby preventing them from organizing themselves as large size lattices, responsible for obstructing the filter pores. These additives essentially act on the limiting filterability temperature (LFT) and on the pour point, but do not modify the cloud point. 35 The prior art has described many CFI additives (see for example US 3,048,479, US 3,627,838, US 3,790,359, US 3,961,961, EP 261 957) which are generally copolymers of ethylene and of an 2 unsaturated ester, such as ethylene/vinyl acetate (EVA), ethylene/vinyl propionate (EVP), ethylene/vinyl ethanoate (EVE), ethylene/methyl methacrylate (EMMA), and ethylene/alkyl fumarate copolymers. In order to improve the properties of standard CFIs, the prior art also proposes mixtures of 5 conventional CFI additives of the ethylene/unsaturated ester type with lubricants (mono- or poly carboxylic acid esters of mono- or poly-alcohols (see for example EP 721492), with anti sedimentation agents (see for example FR 2 490 669), with ethers (see for example US 3,999,960, EP 187 488) Improved CFI additives which are terpolymers or copolymers derived from more than 3 distinct 10 monomers are also found. For example, US 6,509,424 describes a method for preparing terpolymers of ethylene and of at least two compounds containing ethylenic unsaturations, such as vinyl esters, (meth)acrylic esters, alkyl vinyl ethers, in a tubular reactor. These terpolymers may be used as additives improving cold flow of petroleums and petroleum distillates. 15 US 3,642,459 describes terpolymers comprising 40-89% by weight of ethylene, 10-40% by weight of vinyl ester derived from a short chain (C 2
-C
4 ) carboxylic acid, such as vinyl acetate, and unsaturated monoesters having a C 10
-C
2 2 alkyl chain; these terpolymers are used as additives for lowering the pour point of petroleum distillates and as anti-wax agents and for improving their filterability. 20 US 4,156,434 describes terpolymers of ethylene, vinyl acetate and of acrylic ester deriving from a
C
12
-C
24 alcohol which lower the pour point of the fuels into which they are incorporated but nothing is said on the improvement of cold filterability of these additives. WO 2005/054314 describes terpolymers of a-olefin, vinyl ester and a,p-unsaturated mono carboxylic acid ester, which may be used. Terpolymers are exemplified, particularly preferred by 25 the applicant, which contain more than 80% by moles of ethylene and less than 9% by moles of vinyl acetate. Now, these terpolymers containing less than 9% by moles of vinyl acetate although having an effect on the decrease in LFT for middle distillates containing more than 18% of n paraffins, are not satisfactory as regards solubility on the one hand and tendency to blocking (or room temperature filterability) on the other hand: damageable filter cloggings are reported. 30 EP 1391498 describes additives improving low temperature fluidity of middle distillates, which are vinyl polymers (A), preferably ethylene-vinyl ester copolymers, for which the amount of hexane-insoluble materials exceeds 60 % by weight at -20 *C and is less than 30% by weight at 10*C; the examples of EP 1391498 clearly show that the filterability temperature (cold filter plug point (CFPP)) is lowered for copolymers and terpolymers, for which the amount of hexane 35 insoluble material exceeds 60% by weight at -20 *C and is less than 30% by weight at 10*C as compared with copolymers and terpolymers having the same recurrent units present in the same 3 proportions, but for which the amount of hexane-insoluble materials is out of the claimed range; the exemplified copolymers are EVA copolymers and ethylene-(vinyl acetate)-(vinyl neodecanoate or 2-ethylhexanoate) terpolymers. There is an unsolved need for additives in order to improve cold resistance of fuels (LFT and pour 5 point) while reducing or even eliminating the risk of clogging, so as to avoid blocking of the filters of supply systems for engines or boilers (injection system and tanks). In the present specification and claims the term "comprising " shall be understood to have a broad meaning similar to the term "including" and will be understood to imply the inclusion of a stated integer or step or group of integers or steps but not the exclusion of any other integer or step or 10 group of integers or steps. This definition also applies to variations on the term "comprising" such as "comprise" and "comprises". Description of the invention The present invention relates to the use of copolymers as additives improving cold resistance of fuels (CFI additives); these copolymers contain units derived from at least one a-olefin, at least 15 one vinyl ester and at least one a,p-unsaturated mono-carboxylic ester, and are preferably terpolymers of ethylene, of vinyl acetate and of ethyl-2-hexyl acrylate. The copolymers according to the invention which may be used as CFI additives comprise " from 81 to 87 % by moles of at least one a-olefin, preferably at least ethylene, " from 10.5 to less than 12% by moles of at least one vinyl ester, preferably at least 20 vinyl acetate, " from 1 to 8.5 % by moles of at least one a,p-unsaturated mono-carboxylic acid ester, preferably at least ethyl-2-hexyl acrylate. Preferably, the copolymers which may be used as CFI additives are inscribed in a quadrilateral ABCD in which A, B, C and D represent the apices of said quadrilateral and correspond to the 25 molar percentages of at least the vinyl ester and of at least the a,p-unsaturated mono-carboxylic acid ester: A: 12; 1 B: 12; 6 C: 10.5; 4 30 D: 10.5; 8.5.
4 Advantageously, the copolymers which may be used as CFI additives are inscribed in a quadrilateral A 1
BC
1 D wherein A 1 , B, C 1 and D represent the apices of said quadrilateral and correspond to the molar percentages of at least the vinyl ester and of at least the a,p-unsaturated mono-carboxylic acid ester: 5 A 1 : 12; 2 B: 12; 6
C
1 : 10.5; 5 D: 10.5; 8.5. The copolymers according to the invention which are random copolymers have a weight average 10 molecular weight (Mw) measured by GPC generally comprised between 3,000 and 30,000, and a number average molecular weight (Mn) measured by GPC generally comprised between 1,000 and 15,000. These copolymers may be prepared in a known way by any polymerization method, (see for example, Ullmann's Encyclopedia of Industrial Chemistry, 5 th Edition, "Waxes", Vol. A 28, p.146; US 15 3,627,838; EP 7 590) notably by radical polymerization, preferably under high pressure, typically of the order of 1,000 to 3,000 bars (100 to 300 MPa), preferably from 1,500 to 2,000 bars (150 to 200 MPa), the reaction temperatures generally ranging from 160 to 320 *C, preferably from 200 to 280 *C, and in the presence of at least one radical initiator generally selected from organic peroxides and/or oxygen- or nitrogen-containing compounds, and of a molecular weight regulator (aliphatic 20 ketone or aldehyde,...). The copolymers may for example be prepared in a tubular reactor according to the method described in US 6,509,424. The compositions based on hydrocarbons into which the copolymers according to the invention are incorporated, are selected from all types of oils or fuels, such as diesel fuels, domestics oils for heating installations (DOF), kerosene, aviation fuels, heavy fuels, etc ... 25 Generally, the sulfur content of the hydrocarbon compositions is less than 5,000 ppm, preferably less than 500 ppm, and more preferentially less than 50 ppm, or even less than 10 ppm and advantageously without any sulfur. The compositions based on hydrocarbons comprise middle distillates with a boiling temperature comprised between 100 and 500*C; their initial crystallization temperature Tcc is often greater 30 than or equal to -20*C, generally comprised between -15*C and +10*C. These distillates may for example be selected from distillates obtained by direct distillation of crude hydrocarbons, distillates in vacuo, hydrotreated distillates, distillates from catalytic cracking and/or from hydrocracking of distillates in vacuo, distillates resulting from ARDS (atmospheric residue desulfurization) type conversion processes and/or viscoreduction processes, distillates from 35 upgrading of Fischer Tropsch cuts, distillates resulting from BTL (biomass to liquid) conversion of 5 plant and/or animal biomass, taken alone or as a combination, and/or esters of plant and animal oils or mixtures thereof. The compositions of hydrocarbons may also contain distillates from more complex refining operations than those from direct distillation of hydrocarbons which may for example stem from 5 cracking, hydrocracking and/or catalytic cracking processes and viscoreduction processes. They may also contain novel sources of distillates, among which mention may notably be made of: - the heaviest cuts from cracking and viscoreduction processes, concentrated in heavy paraffins, comprising more than 18 carbon atoms, - synthetic distillates from the transformation of gas such as those from the Fischer Tropsch 10 process, - synthetic distillates resulting from the treatment of biomass of plant and/or animal origin, such as notably NexBTL, - and oils and/or esters of plant and/or animal oils, - or further biodiesel fuels of animal and/or plant origin. 15 These novel fuel bases may be used alone or as a mixture with standard petroleum middle distillates as a fuel base or as a domestic oil base; they generally comprise long paraffinic chains of 10 carbon atoms or more and preferentially from C 1 4 to C 30 . The copolymers as defined earlier with Mw comprised between 5,000 and 27,000 and Mn comprised between 1,500 and 22,000, preferably with Mw comprised between 5,000 and 25,000 20 and Mn comprised between 1,500 and 20,000 are particularly effective when they are incorporated into light middle distillates and/or with low sulfur content (typically less than 50 ppm) and/or with low initial crystallization temperature (which may typically range down to 20*C). By light middle distillates are meant distillates for which the content in n-paraffins having 24 carbon atoms or more ranges from 0 to less than about 0.7% by weight of the total fuel 25 composition; the C 18
-C
23 n-paraffins of which account for about 3 to about 5% of the total weight of the fuel and for which the mass ratio of C 18
-C
23 n-paraffins over the C 2 4 and higher paraffins generally ranges from 10 to 35. The copolymers with Mw comprised between 5,000 and 10,000 and with Mn comprised between 1,500 and 8,000, preferably with Mw comprised between 5,000 and 8,000 and with Mn comprised 30 between 1,500 and 5,000, are particularly effective when they are incorporated into heavy middle distillates and/or with a rather high initial crystallization temperature (which may typically range from 0 to 15*C). By heavy middle distillates are meant distillates for which the content in n paraffins with 24 carbon atoms or more ranges from about 0.7 to about 2% by weight of the total fuel composition; the C 18
-C
2 3 n-paraffins of which account for about 1 to about 10% of the total 6 weight of the fuel and for which the mass ratio of C 18
-C
23 n-paraffins over C 24 + paraffins generally ranges from 1 to 10. The copolymers may be added as such in the compositions of hydrocarbons or preferentially as concentrated solutions, in particular solutions containing from 50 to 80%, preferably from 60 to 5 70% by weight of copolymer(s) in a solvent, such as aliphatic or aromatic hydrocarbons, either alone or as a mixture (naphtha, kerosene, hydrocarbon fractions such as Solvesso solvent, paraffinic hydrocarbons, such as pentane, hexane). According to a preferred embodiment of the invention, the compositions of hydrocarbons comprise from 10 to 50,000 ppm by weight of at least one copolymer described above, optionally, 10 preferably from 100 to 1,000 ppm and advantageously from 150 to 500 ppm. In addition to the CFI additives or cold resistance additives described above, the compositions of hydrocarbons may also contain one or more other additives different from the copolymers according to the invention, selected from detergents, anti-corrosion agents, dispersants, de emulsifiers, antifoaming agents, biocides, reodorants, procetane additives, friction modifiers, 15 lubricity additives or unctuousness additives, combustion aids (combustion and soot catalytic promoters), agents improving the cloud point, the pour point, the limiting filterability temperature, antisedimentation agents, antiwear agents and/or agents modifying conductivity. Among these additives, mention may particularly be made of: a) procetane additives, notably (but not as a limitation) selected from alkyl nitrates, 20 preferably 2-ethyl hexyl nitrate, aroyl peroxides, preferably benzyl peroxide and alkyl peroxides, preferably tert-butyl peroxide; b) antifoaming additives, notably (but not as a limitation) selected from polysiloxanes, oxyalkylated polysiloxanes, and fatty acid amides from plant or animal oils. Examples of such additives are given in EP 861 882, EP 663 000, EP 736 590; 25 c) detergent and/or anticorrosion additives, notably (but not as a limitation) selected from the group formed by amines, succinimides, alkenyl succinimides, polyalkylamines, polyalkyl polyamines and polyetheramines. Examples of such additives are given in EP 938 535; d) lubricity additive or antiwear agent, notably (but not as a limitation) selected from the 30 group formed by fatty acids and their ester or amide derivatives, notably glycerol monooleate, and mono- and poly-cyclic carboxylic acid derivatives. Examples of such additives are given in the following documents: EP 680 506, EP 860 494, WO 98/04656, EP 915 944, FR2 772 783, FR 2 772 784. e) cloud point additives, notably (but not as a limitation) selected from the group formed by 35 long chain olefin/(meth)acrylic ester/maleimide terpolymers, and maleic/fumaric acid 7 ester polymers. Examples of such additives are given in EP 71 513, EP 100 248, FR 2 528 051, FR 2 528 051, FR 2 528 423, EPI 12 195, EP 1727 58, EP 271 385, EP 291 367; f) antisedimentation additives and/or paraffin dispersants notably (but not as a limitation) 5 selected from the group formed by (meth)acrylic acid/polyamine-amidified alkyl (meth)acrylate copolymers, polyamine alkenyl succinimides, derivatives of phthalamic acid and dual-chain fatty amine derivatives; alkyl phenol resins. Examples of such additives are given in EP 261959, EP593 331, EP 674 689, EP 327 423, EP 512 889, EP 832 172; US 2005/0223631; US 5,998,530; WO 93/14178. 10 g) cold operability polyfunctional additives selected from the group formed by polymers based on olefin and alkenyl nitrates as described in EP 573 490; h) other CFI additives improving cold resistance and filterability, such as EVA and/or EVP copolymers. These other additives are generally added in an amount ranging from 100 to 1,000 ppm (each). 15 The improved cold resistance additives according to the invention may be added into the compositions of hydrocarbons inside the refinery, and/or be incorporated downstream from the refinery, optionally as a mixture with other additives, as a package or packet of additives. Examples In a tubular reactor, terpolymers of ethylene, vinyl acetate and ethyl-2 hexyl acrylate are 20 synthesized by radical polymerization under high pressure (1,400 to 2,500 bars (140 to 250 MPa) and at a polymerization temperature from 200 to 280*C. The synthesis is carried out by using an aliphatic aldehyde (propanal) in order to control the molecular masses and by using peroxides as polymerization initiators. In the Table I below, are indicated the Mn and Mw of the synthesized terpolymers as well as their percentages of monomers. 25 Table 1: Characteristics of the synthesized polymers Copolymer [vinyl acetate] [ethyl-2 hexyl acrylate] Mn Mw weight% mol % weight% mol % 6 13.3 6.6 22.1 5.1 12,627 14,610 7 13.1 6.5 22.4 5.2 8,842 10,460 12 27.6 13.7 20.7 4.8 11,180 13.255 13 28.4 14.1 20.4 4.7 12,100 14,372 16 19.3 9.6 21.5 5 4,498 8,443 18 36.7 17 3.5 0.8 10,000 11,000 17 19 10.4 30.8 7.9 12,000 15,000 19 28 11 0 0 3,000 8,000 20 30.5 12 0 0 4,000 9,000 8 The capability of improving the cold resistance of these terpolymers is evaluated by incorporating them in 2 distillates of the motor gasoil type, called GOM 1 and GOM 2, the characteristics of which are grouped in the Table 2 below. Table 2: Characteristics of the fuels ASTM D86 distillation GOM 1 GOM 2 T90-T20 (C) 129.6 100.4 PF-T90 (CC) 19.5 24.9 T95 (CC) 353.5 362.4 Cloud point (-C) NF EN 23015 -6 -4 LFT (-C) EN 116 -6 -7 Pour point (*C) NF T 60105 -15 -10 Paraffin content (mass %) 14.72 14.68 TCC (-C) IP 389 -6.2 -6.3 Sulfur content (ppm) EN ISO 20846 18.6 38 5 400 ppm by weight of each copolymer below are incorporated into the distillate of the motor gasoil type called GOM 1 and then the blocking index FBT (Filter Blocking Tendency) is measured according to the IP 387 standard. GOM 1 without any additive has an FBT blocking index of 1.01. It is seen that with the terpolymer 17 according to the invention, the blocking tendency of GOM 1 10 cannot be degraded, i.e. GOM 1 additived with 400 ppm of terpolymer has an FBT of less than 1.41. The results are shown in Table 3 below. Table 3 : Blocking tendency (IP387) of GOM 1 additived with 400 ppm of different terpolymers. Added additive Blocking index FBT (IP 387) 6 (comparative) 6.08 7 comparativee) 6.08 12 (comparative) 1.01 13 (comparative) 1.03 16 (comparative) 5.1 17 1.0 18 (comparative) 1.24 19 (comparative) 5.1 20 (comparative) 1.9 The cold resistance LFT efficiency of the terpolymers incorporated in GOM 1 and GOM 2 is 15 measured at the concentration of 210 ppm; the results are grouped in Table 4. Table 4 : LFT efficiency tests on 2 low sulfur content gasoils.
9 Measurements of TLF(*C) EN 116 Added additive GOM 1 GOM 2 210 ppm 210 ppm Without any additive -6 -5 6 -15 7 -16 -15 12 -7 -4 13 -7 -5 17 -19 18 -7 19 -15 20 -16 It is seen that the terpolymer 17 according to the invention is the most efficient on the gasoil GOM 1. Moreover, from the results obtained in Table 3, it is seen that the terpolymer 17 added in an amount of 400 ppm in GOM 1 does not degrade the blocking tendency. This is not the case of the 5 comparative terpolymers 6; 7; 16 and 18 according to WO 2005/054314, which strongly degrade the blocking tendency measured according to IP 387 and are not as LFT-efficient as the additive 17 of the invention.
Claims (19)
1. A copolymer comprising " from 81 to 87% by moles of at least one a-olefin, preferably at least ethylene, " from 10.5 to less than 12% by moles of at least one vinyl ester, " from 1 to 8.5% by moles of at least one a,p-unsaturated mono-carboxylic acid ester, or a mixture of two or more said copolymers, when used as an additive for improving cold resistance and filterability of fuels, wherein the copolymer or at least one copolymer of the mixture are inscribed in a quadrilateral ABCD in which A, B, C and D represent the apices of said quadrilateral and correspond to the molar percentages of at least the vinyl ester and of at least the a,p-unsaturated mono-carboxylic acid ester: A: 12; 1 B: 12; 6 C: 10.5; 4 D: 10.5; 8.5.
2. A copolymer comprising: " from 81 to 87% by moles of at least one a-olefin, preferably at least ethylene, " from 10.5 to less than 12% by moles of at least one vinyl ester, " from 1 to 8.5% by moles of at least one a,p-unsaturated mono-carboxylic acid ester, or a mixture of two or more said copolymers, when used as an additive for improving cold resistance and filterability of fuels, wherein the copolymer or at least one copolymer of the mixture are inscribed in a quadrilateral A 1 BC 1 D in which A 1 , B, C 1 and D represent the apices of said quadrilateral and correspond to the molar percentages of at least the vinyl ester and of at least the a,p-unsaturated mono-carboxylic acid ester: A1: 12; 2 B: 12; 6 C1: 10.5; 5 11 D: 10.5; 8.5.
3. The copolymer or mixture of claim 1 or claim 2, wherein the at least one vinyl ester is vinyl acetate.
4. The copolymer or mixture of any one of claims 1 to 3, wherein the at least one a,3 unsaturated mono-carboxylic acid ester is ethyl-2-hexyl acrylate.
5. The copolymer or mixture of any one of claims 1 to 4, wherein the copolymer or at least one copolymer of the mixture is a terpolymer comprising units derived from ethylene, units derived from vinyl acetate and units derived from ethyl-2-hexyl acrylate.
6. The copolymer or mixture of any one of claims 1 to 5, wherein the copolymer or at least one copolymer of the mixture has an weight average molecular weight (Mw) measured by GPC between 3,000 and 30,000, and a number average molecular weight (Mn) measured by GPC is between 1,000 and 20,000.,
7. The copolymer or mixture of claim 6, wherein the average molecular weight (Mw) is 3,000 to 20,000 and the number average molecular weight (Mn) is between 1,500 and 15,000.
8. The copolymer or mixture of any one of claims 1 to 7, wherein when used fuel is a middle distillate such as diesel fuel, domestic oil for heating installations (FOD), kerosene, aviation fuel heavy fuel and the blocking density thereof is not degraded.
9. A composition of hydrocarbons comprising a majority amount of a middle distillate with a boiling temperature ranging from 100 to 500*C and a minority amount of at least one copolymer or mixture of any of claims 1 to 8.
10. The composition of claim 9, wherein the sulfur content of the hydrocarbons is less than 5,000 ppm.
11. The composition of claim 10, wherein the sulfur content is less than 500 ppm.
12. The composition of claim 10, wherein the sulfur content is less than 50 ppm, preferably less than 10 ppm.
13. The composition of claim 10, wherein the composition of hydrocarbons is substantially without sulfur.
14. The composition of any one of claims 9 to 13, wherein hydrocarbons contain from 0 to 100% by weight of biodiesel fuel of animal and/or plant origin.
15. The composition according to any one of claims 9 to 13, wherein the hydrocarbon mixture is selected from diesel fuels, domestic oils for heating installations (FOD), kerosene, aviation fuels, heavy fuels. 12
16. The composition of any of claims 9 to 15, wherein the composition comprises from 10 to 5,000 ppm by weight of at least one copolymer of any one of claims 1 to 8.
17. The composition of claim 16 comprising from 100 to 1,000 ppm of at least one copolymer of any one of claims 1 to 8 and preferably from 150 to 500 ppm.
18. The composition according to any of claims 9 to 17 wherein the composition comprises one or several other further additives different from the copolymers, selected from detergents, anticorrosion agents, dispersants, de-emulsifiers, antifoaming agents, biocides, reodorants, procetane additives, friction modifiers, lubricity additives or unctuousness additives, combustion aids (combustion and soot catalytic promoters), agents improving the cloud point, the pour point, the limiting filterability temperature, antisedimentation agents, antiwear agents and/or agents modifying conductivity.
19. A method for improving cold resistance and filterability of a fuel comprising adding to the fuel a copolymer or mixture of any one of claims 1 to 8.
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FR0903278A FR2947558B1 (en) | 2009-07-03 | 2009-07-03 | TERPOLYMER AND ETHYLENE / VINYL ACETATE / UNSATURATED ESTERS AS ADDITIVES TO ENHANCE COLD LIQUID HYDROCARBONS LIKE MEDIUM DISTILLATES AND FUELS OR COMBUSTIBLES |
PCT/IB2010/052922 WO2011001352A1 (en) | 2009-07-03 | 2010-06-25 | Ethylene/vinyl acetate/unsaturated esters terpolymer as an additive for improving the resistance to cold of liquid hydrocarbons such as middle distillates and fuels |
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JP5921667B2 (en) * | 2011-03-25 | 2016-05-24 | エボニック オイル アディティヴス ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Oil Additives GmbH | Composition for improving oxidation stability of fuel oil |
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FR3005061B1 (en) | 2013-04-25 | 2016-05-06 | Total Raffinage Marketing | ADDITIVE FOR IMPROVING THE STABILITY OF OXIDATION AND / OR STORAGE OF LIQUID HYDROCARBON FUELS OR FUELS |
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TWI576384B (en) * | 2014-11-25 | 2017-04-01 | 鴻明環保科技股份有限公司 | High plant-sources content eva polymer foam material, producing method and application thereof |
CN105733712B (en) * | 2014-12-08 | 2017-12-05 | 中国石油天然气股份有限公司 | Lubrication wear reducing additive for aviation bio-fuel |
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- 2010-06-25 JP JP2012518141A patent/JP2012532225A/en active Pending
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- 2010-06-25 CN CN2010800296922A patent/CN102549120A/en active Pending
- 2010-06-25 KR KR1020117031259A patent/KR102002887B1/en active IP Right Grant
- 2010-06-25 AU AU2010267626A patent/AU2010267626B2/en active Active
- 2010-06-25 US US13/381,554 patent/US20120102825A1/en not_active Abandoned
- 2010-06-25 CA CA2765245A patent/CA2765245C/en active Active
- 2010-06-25 BR BRPI1016080A patent/BRPI1016080B1/en active IP Right Grant
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- 2010-06-25 ES ES10734559T patent/ES2706903T5/en active Active
- 2010-06-25 MX MX2012000172A patent/MX363328B/en unknown
- 2010-06-25 EP EP10734559.7A patent/EP2449063B2/en active Active
- 2010-06-25 WO PCT/IB2010/052922 patent/WO2011001352A1/en active Application Filing
- 2010-06-29 TW TW099121257A patent/TWI496883B/en not_active IP Right Cessation
- 2010-07-01 AR ARP100102360A patent/AR077631A1/en not_active Application Discontinuation
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Also Published As
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MX2012000172A (en) | 2012-02-28 |
MX363328B (en) | 2019-03-20 |
CA2765245C (en) | 2017-07-25 |
EP2449063B2 (en) | 2021-07-28 |
WO2011001352A1 (en) | 2011-01-06 |
BRPI1016080B1 (en) | 2018-10-16 |
CL2011003342A1 (en) | 2012-07-06 |
SG177381A1 (en) | 2012-02-28 |
ES2706903T5 (en) | 2021-12-14 |
PT2449063T (en) | 2019-02-04 |
BRPI1016080A2 (en) | 2016-05-10 |
JP2012532225A (en) | 2012-12-13 |
CA2765245A1 (en) | 2011-01-06 |
KR20120040161A (en) | 2012-04-26 |
AU2010267626A1 (en) | 2012-02-02 |
EP2449063B1 (en) | 2018-11-21 |
ES2706903T3 (en) | 2019-04-01 |
EP2449063A1 (en) | 2012-05-09 |
EA201270129A1 (en) | 2012-05-30 |
FR2947558B1 (en) | 2011-08-19 |
CN102549120A (en) | 2012-07-04 |
FR2947558A1 (en) | 2011-01-07 |
TWI496883B (en) | 2015-08-21 |
AR077631A1 (en) | 2011-09-14 |
US20120102825A1 (en) | 2012-05-03 |
KR102002887B1 (en) | 2019-07-23 |
ZA201109307B (en) | 2012-09-26 |
TW201116617A (en) | 2011-05-16 |
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