EP1881055A2 - Additif destiné à l'amélioration des propriétés à froid d'huiles combustibles - Google Patents
Additif destiné à l'amélioration des propriétés à froid d'huiles combustibles Download PDFInfo
- Publication number
- EP1881055A2 EP1881055A2 EP07011540A EP07011540A EP1881055A2 EP 1881055 A2 EP1881055 A2 EP 1881055A2 EP 07011540 A EP07011540 A EP 07011540A EP 07011540 A EP07011540 A EP 07011540A EP 1881055 A2 EP1881055 A2 EP 1881055A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- polymer
- propene
- ethylene
- vinyl
- mol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000654 additive Substances 0.000 title claims abstract description 59
- 239000000295 fuel oil Substances 0.000 title claims abstract description 16
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 78
- 239000000203 mixture Substances 0.000 claims abstract description 42
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 40
- 150000002148 esters Chemical class 0.000 claims abstract description 39
- 229920001897 terpolymer Polymers 0.000 claims abstract description 31
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000005977 Ethylene Substances 0.000 claims abstract description 29
- 229920001567 vinyl ester resin Polymers 0.000 claims abstract description 27
- 230000000996 additive effect Effects 0.000 claims abstract description 21
- 239000002904 solvent Substances 0.000 claims abstract description 18
- 229920001038 ethylene copolymer Polymers 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000012141 concentrate Substances 0.000 claims abstract description 11
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims abstract description 10
- 239000003999 initiator Substances 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000009472 formulation Methods 0.000 claims abstract description 5
- 230000009969 flowable effect Effects 0.000 claims abstract description 4
- 229920000642 polymer Polymers 0.000 claims description 76
- 125000004432 carbon atom Chemical group C* 0.000 claims description 31
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 23
- 150000001875 compounds Chemical class 0.000 claims description 15
- 229910017464 nitrogen compound Inorganic materials 0.000 claims description 8
- 150000002830 nitrogen compounds Chemical class 0.000 claims description 8
- 238000012662 bulk polymerization Methods 0.000 claims description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- -1 poly (ethylene) sequences Polymers 0.000 description 50
- 239000003921 oil Substances 0.000 description 25
- 150000001412 amines Chemical class 0.000 description 17
- 229920001577 copolymer Polymers 0.000 description 16
- 239000000178 monomer Substances 0.000 description 16
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 15
- 239000002480 mineral oil Substances 0.000 description 15
- 150000001336 alkenes Chemical class 0.000 description 14
- 239000000470 constituent Substances 0.000 description 14
- 229920005989 resin Polymers 0.000 description 14
- 239000011347 resin Substances 0.000 description 14
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 14
- 125000000217 alkyl group Chemical group 0.000 description 13
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 238000012360 testing method Methods 0.000 description 11
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 10
- 150000001298 alcohols Chemical class 0.000 description 10
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000013078 crystal Substances 0.000 description 8
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 7
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 7
- 238000006116 polymerization reaction Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- 235000010446 mineral oil Nutrition 0.000 description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 6
- 229920005862 polyol Polymers 0.000 description 6
- 150000003077 polyols Chemical class 0.000 description 6
- 238000005160 1H NMR spectroscopy Methods 0.000 description 5
- FXNDIJDIPNCZQJ-UHFFFAOYSA-N 2,4,4-trimethylpent-1-ene Chemical group CC(=C)CC(C)(C)C FXNDIJDIPNCZQJ-UHFFFAOYSA-N 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 150000001735 carboxylic acids Chemical class 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 150000002170 ethers Chemical class 0.000 description 5
- 239000005038 ethylene vinyl acetate Substances 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000011593 sulfur Chemical group 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 4
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 4
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 150000001728 carbonyl compounds Chemical class 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- TVFJAZCVMOXQRK-UHFFFAOYSA-N ethenyl 7,7-dimethyloctanoate Chemical compound CC(C)(C)CCCCCC(=O)OC=C TVFJAZCVMOXQRK-UHFFFAOYSA-N 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 4
- 239000012188 paraffin wax Substances 0.000 description 4
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000003760 tallow Substances 0.000 description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
- 239000004711 α-olefin Substances 0.000 description 4
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 3
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
- 239000004480 active ingredient Substances 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000002288 cocrystallisation Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 3
- WBZPMFHFKXZDRZ-UHFFFAOYSA-N ethenyl 6,6-dimethylheptanoate Chemical compound CC(C)(C)CCCCC(=O)OC=C WBZPMFHFKXZDRZ-UHFFFAOYSA-N 0.000 description 3
- 150000002191 fatty alcohols Chemical class 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000010348 incorporation Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 150000003460 sulfonic acids Chemical class 0.000 description 3
- KVNYFPKFSJIPBJ-UHFFFAOYSA-N 1,2-diethylbenzene Chemical compound CCC1=CC=CC=C1CC KVNYFPKFSJIPBJ-UHFFFAOYSA-N 0.000 description 2
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1-dodecene Chemical compound CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 2
- GQEZCXVZFLOKMC-UHFFFAOYSA-N 1-hexadecene Chemical compound CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 2
- HFDVRLIODXPAHB-UHFFFAOYSA-N 1-tetradecene Chemical compound CCCCCCCCCCCCC=C HFDVRLIODXPAHB-UHFFFAOYSA-N 0.000 description 2
- GJYCVCVHRSWLNY-UHFFFAOYSA-N 2-butylphenol Chemical compound CCCCC1=CC=CC=C1O GJYCVCVHRSWLNY-UHFFFAOYSA-N 0.000 description 2
- SYBYTAAJFKOIEJ-UHFFFAOYSA-N 3-Methylbutan-2-one Chemical compound CC(C)C(C)=O SYBYTAAJFKOIEJ-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical group N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N anhydrous trimellitic acid Natural products OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 239000003849 aromatic solvent Substances 0.000 description 2
- 150000005840 aryl radicals Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 2
- YCUBDDIKWLELPD-UHFFFAOYSA-N ethenyl 2,2-dimethylpropanoate Chemical compound CC(C)(C)C(=O)OC=C YCUBDDIKWLELPD-UHFFFAOYSA-N 0.000 description 2
- IGBZOHMCHDADGY-UHFFFAOYSA-N ethenyl 2-ethylhexanoate Chemical compound CCCCC(CC)C(=O)OC=C IGBZOHMCHDADGY-UHFFFAOYSA-N 0.000 description 2
- WNMORWGTPVWAIB-UHFFFAOYSA-N ethenyl 2-methylpropanoate Chemical compound CC(C)C(=O)OC=C WNMORWGTPVWAIB-UHFFFAOYSA-N 0.000 description 2
- MEGHWIAOTJPCHQ-UHFFFAOYSA-N ethenyl butanoate Chemical compound CCCC(=O)OC=C MEGHWIAOTJPCHQ-UHFFFAOYSA-N 0.000 description 2
- LZWYWAIOTBEZFN-UHFFFAOYSA-N ethenyl hexanoate Chemical compound CCCCCC(=O)OC=C LZWYWAIOTBEZFN-UHFFFAOYSA-N 0.000 description 2
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000001530 fumaric acid Substances 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- HHLFWLYXYJOTON-UHFFFAOYSA-N glyoxylic acid Chemical compound OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 description 2
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 2
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 2
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- HKUFIYBZNQSHQS-UHFFFAOYSA-N n-octadecyloctadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCCCNCCCCCCCCCCCCCCCCCC HKUFIYBZNQSHQS-UHFFFAOYSA-N 0.000 description 2
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 2
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 2
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadec-1-ene Chemical compound CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229920002866 paraformaldehyde Polymers 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
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- ZFACJPAPCXRZMQ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O.OC(=O)C1=CC=CC=C1C(O)=O ZFACJPAPCXRZMQ-UHFFFAOYSA-N 0.000 description 1
- 230000010399 physical interaction Effects 0.000 description 1
- 229920001603 poly (alkyl acrylates) Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000223 polyglycerol Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 150000003330 sebacic acids Chemical class 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 150000004666 short chain fatty acids Chemical class 0.000 description 1
- 235000021391 short chain fatty acids Nutrition 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- OPQYOFWUFGEMRZ-UHFFFAOYSA-N tert-butyl 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOC(=O)C(C)(C)C OPQYOFWUFGEMRZ-UHFFFAOYSA-N 0.000 description 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 150000000000 tetracarboxylic acids Chemical class 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- KQBSGRWMSNFIPG-UHFFFAOYSA-N trioxane Chemical compound C1COOOC1 KQBSGRWMSNFIPG-UHFFFAOYSA-N 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/19—Esters ester radical containing compounds; ester ethers; carbonic acid esters
-
- 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
- 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
-
- 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
- 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
- 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
-
- 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
- C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
- C10L1/1981—Condensation polymers of aldehydes or ketones
-
- 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
- C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
- C10L1/1985—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid polyethers, e.g. di- polygylcols and derivatives; ethers - esters
-
- 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
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/224—Amides; Imides carboxylic acid amides, imides
Definitions
- the present invention relates to ethylene-propene-vinyl ester terpolymers which have improved handleability and improved performance properties as refrigerants for fuel oils.
- crude oils and middle distillates obtained by distillation of crude oils such as gas oil, diesel oil or fuel oil
- crude oils and middle distillates obtained by distillation of crude oils contain different amounts of n-paraffins, which crystallize out as platelet-shaped crystals when the temperature is lowered and partly agglomerate with the inclusion of oil.
- the flow properties of the oils or distillates deteriorate, which can lead to disruptions in the extraction, transport, storage and / or use of the mineral oils and mineral oil distillates.
- the phenomenon of crystallization especially in winter, can lead to deposits on the pipe walls and in individual cases, e.g. at standstill of a pipeline, even lead to their complete blockage.
- Another object of flow improvers is to disperse the wax crystals, i. the delay or prevention of the sedimentation of paraffin crystals and thus the formation of a paraffin-rich layer at the bottom of storage containers.
- One known additive class widely used for improving the low temperature properties of mineral oils and middle distillates made therefrom are copolymers of ethylene and vinyl esters, especially ethylene and vinyl acetate ("EVA"). These are partially crystalline polymers whose mode of action is explained by a cocrystallization of their poly (ethylene) sequences with the precipitated on cooling from the middle distillates n-paraffins. Through this physical interaction, the shape, size and adhesion properties of the precipitated wax crystals are modified to produce many small crystals that pass through the fuel filter and can be supplied to the combustion chamber. Due to their crystallinity, these ethylene-vinyl ester copolymers must be handled and metered at elevated temperature or, alternatively, made manageable via a high dilution with solvents.
- EVA ethylene and vinyl acetate
- short chain branching such as, for example, by polymerization at high Temperatures and / or low pressures
- back-biting mechanism intramolecular chain transfer reactions
- EP-A-0 190 553 discloses terpolymers of ethylene, 20-40 wt .-% of vinyl acetate and propene having a degree of branching 8-25 CH 3/100 CH 2 groups.
- polymers having 25.7 to 29.1 wt .-% of vinyl acetate and branching degrees of 14 to 20 CH 3/100 CH are disclosed 2 groups, whose molecular weight was only set by the moderating effect of propene. Alone, they show little effectiveness as cold flow improvers and are used to improve the solubility of conventional EVA copolymers.
- EP-A-0 406 684 discloses polymer blends which may contain ethylene-vinyl acetate co- and terpolymers having a vinyl acetate content of 25-35 weight percent and a degree of branching of 3 to 15 CH 3 groups.
- the terpolymers may contain 5 to 15% by weight of olefins such as propene.
- the examples show an EVA terpolymer with diisobutylene.
- DD-A-161 128 discloses a process for producing a high distillate middle distillate flow improver in which ethylene polymerizes with 10-50% by weight of vinyl acetate and 0.1-10% by mole of an N-alkene of 3 to 8 carbon atoms in the presence of hydrogen as a moderator becomes.
- the high polymerization temperature of 265 ° C shown in the examples requires a high proportion of Short chain branches with only a very low content of propene of less than 1 mol%.
- the self-flowability of the polymers can be improved by short-chain branching as well as by longer-chain and especially branched olefinic comonomers, this is often accompanied by a loss of effectiveness, since the optimum range for the cocrystallization with paraffins range of poly (ethylene) sequence lengths is left or Even small amounts of the comonomers cause so much disruption of the polyethylene sequences that effective cocrystallization with the paraffins of the oil is no longer possible.
- Another object of the invention are flowable additive concentrates with an own-floor point of -15 ° C and below, containing at least 20 wt .-% of at least one as defined above terpolymer of ethylene, at least one unsaturated ester and propene, in organic solvent.
- a further subject matter is the use of a terpolymer of ethylene, at least one unsaturated ester and propene as defined above for improving the cold flowability of middle distillates.
- Another object of the invention is a method for improving the cold flowability of middle distillates by the middle distillate at temperatures below 0 ° C an additive concentrate containing at least 20 wt .-% of at least one as defined above terpolymer of ethylene, at least one unsaturated ester and propene a temperature of 0 ° C or below, is added.
- Particularly suitable unsaturated esters according to the invention are vinyl esters of carboxylic acids having 2 to 12 carbon atoms and esters of acrylic and methacrylic acid with fatty alcohols having 1 to 12 carbon atoms.
- the alkyl radicals can be linear or branched. Preferred branched alkyl radicals carry a branch in the 1- or 2-position to the carbonyl group.
- vinyl esters examples include vinyl acetate, vinyl propionate, vinyl butyrate, vinyl isobutyrate, vinyl pentanoate, vinyl pivalate, vinyl n-hexanoate, vinyl 2-ethylhexanoate, vinyl neononanoate, vinyl neo-decanoate and vinyl neo-decanoate.
- vinyl esters of short-chain fatty acids having 1 to 4 carbon atoms particularly preferred is vinyl acetate.
- Suitable acrylic esters include, for example, methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, n- and iso-butyl (meth) acrylate, hexyl, octyl, 2-ethylhexyl (meth) acrylate and mixtures thereof comonomers. Methyl acrylate and ethyl acrylate are particularly preferred.
- the content of the terpolymers of unsaturated ester is preferably between 12.0 and 15.5 mol%, for example between 12.5 and 15.0 mol%.
- the content is preferably between 28.0 and 36.0 wt .-%, in particular between 29.5 and 35.0 wt .-%, such as between 31.0 and 34.0 wt .-%.
- the determination of the vinyl ester content is carried out by pyrolysis of the polymer and subsequent titration of the eliminated carboxylic acid.
- the content of the polymer in methyl groups derived from the propene is preferably between 1.5 and 3.8 and in particular between 1.8 and 3.5 methyl groups per 100 aliphatic carbon atoms.
- propene-derived methyl groups in the polymers of the invention is determined by means of 13 C-NMR spectroscopy.
- terpolymers of ethylene, vinyl ester and propene show characteristic signals of methyl groups attached to the polymer backbone of between about 19.3 and 20.2 ppm, which have a positive sign in the DEPT experiment.
- the integral of this signal of the propene-derived methyl side groups of the polymer backbone is related to that of all other aliphatic C atoms of the polymer backbone between about 22.0 and 44 ppm.
- Optionally derived from the alkyl radicals of the unsaturated ester and superimposed with the signals of the polymer backbone signals are subtracted based on the signal of the carbonyl group of the unsaturated ester adjacent methine group of the total integral of the aliphatic C-atoms.
- Such measurements can be performed, for example, with NMR spectrometers at a measurement frequency of 125 MHz at 30 ° C in solvents such as CDCl 3 or C 2 D 2 Cl 4 .
- the number of chain ends originating from the methyl groups in the polymer is preferably from 2.0 to 6.0 CH 3/100 CH 2 groups and in particular from 3.0 to 5.5 CH 3/100 CH 2 groups.
- the number of methyl groups derived from chain ends is understood to mean all those methyl groups of the polymer which do not originate from the unsaturated esters used as comonomers. This is understood to mean both the methyl groups located at the main chain ends, including the methyl groups derived from structural units of the moderator, and the methyl groups derived from short chain branches.
- the number of methyl groups derived from chain ends is determined by 1 H-NMR spectroscopy, in which the integral of the signals usually appearing in the 1 H-NMR spectrum with a chemical shift of between about 0.7 and 0.9 ppm (versus TMS) Methyl protons is compared with the integral of appearing at 0.9 to 1.9 ppm signals of the methylene protons.
- the methyl and methylene groups derived from alkyl radicals of the comonomers, for example the acetyl group of the vinyl acetate, are not included or excluded.
- the signals generated by the structural units of the moderator are assigned according to the methyl or methylene protons.
- the number of propene-derived methyl groups is subtracted to obtain the number of methyl groups derived from chain ends.
- Suitable 1 H NMR spectra for example, at a measurement frequency of 500 MHz at 30 ° C in solvents such as CDCl 3 or C 2 D 2 Cl 4 are recorded.
- the sum G of molar content of unsaturated ester a) and the number of propylene-derived methyl groups per 100 aliphatic C atoms of the polymer is preferably b)
- G mol - % unsaturated ester + propene - CH 3 between 14.5 and 18.0, preferably between 15.0 and 17.8 such as between 15.5 and 17.5.
- the two summands are to be added as dimensionless numbers.
- the weight-average molecular weight M w of the terpolymers of the invention determined by gel permeation chromatography against poly (styrene) standards is preferably between 1,000 and 25,000 g / mol, preferably between 2,000 and 20,000 g / mol, for example between 2,500 and 15,000 g / mol.
- the polydispersity of the polymers is preferably less than 8, for example 2 to 6.
- the melt viscosity, determined at 140 ° C., of the polymers according to the invention is between 50 and 5,000 mPas, preferably between 80 and 2,500 mPas and in particular between 100 and 1,000 mPas.
- the polymer to be examined is previously freed for two hours at 140 ° C. in vacuo (100 mbar) of residual monomers and any solvent fractions.
- the copolymers according to the invention can be prepared by suspension polymerization, solvent polymerization, gas-phase polymerization or high-pressure bulk polymerization.
- the high-pressure mass polymerization is preferably carried out at pressures above 100 MPa, preferably between 100 and 300 MPa, for example between 150 to 275 MPa and temperatures of 100 to 260 ° C, preferably 150 to 240 ° C, for example between 180 and 220 ° C.
- the propene content as well as the extent of short chain branching can be adjusted.
- low reaction temperatures and / or high pressures lead to low fractions of short chain branches and thus to a low number of chain ends.
- the reaction of the monomers is initiated by free radical initiators (free radical initiators).
- This class of substance includes e.g. Oxygen, hydroperoxides, peroxides and azo compounds such as cumene hydroperoxide, t-butyl hydroperoxide, dilauroyl peroxide, dibenzoyl peroxide, bis (2-ethylhexyl) peroxide carbonate, t-butyl perpivalate, t-butyl permalate, t-butyl perbenzoate, dicumyl peroxide, t-butylcumyl peroxide, di- (t-butyl ) peroxide, 2,2'-azobis (2-methylpropanonitrile), 2,2'-azobis (2-methylbutyronitrile).
- the initiators are used individually or as a mixture of two or more substances in amounts of from 0.01 to 10% by weight, preferably from 0.05 to 5% by weight, based on the monomer mixture.
- the high-pressure mass polymerization is carried out batchwise or continuously in known high-pressure reactors, for example autoclaves or tubular reactors, and continuously operated tubular reactors have proven particularly suitable.
- Solvents such as aliphatic and / or aromatic hydrocarbons or hydrocarbon mixtures, benzene or toluene may be present in the reaction mixture. Preferred is the substantially solvent-free operation.
- the comonomers as well as the moderators can be metered into the reactor both together with ethylene and separately via side streams. In this case, the monomer streams can be composed differently ( EP-A-0 271 738 and EP-A-0 922 716 ).
- Preferred moderators are, for example, saturated and unsaturated hydrocarbons such as propane, hexane, heptane and cyclohexane and alcohols such as butanol and in particular aldehydes such as acetaldehyde, propionaldehyde, n-butyraldehyde and isobutyraldehyde and ketones such as acetone, methyl ethyl ketone, methyl propyl ketone, methyl isopropyl ketone, Methyl butyl ketone, methyl isobutyl ketone and cyclohexanone. Hydrogen is also suitable as a moderator.
- the polymers according to the invention contain, in addition to vinyl esters and propene, from 0.5 to 7.0% by weight, preferably from 1.0 to 5.0% by weight, of structural units derived from at least one carbonyl-containing moderator ,
- concentration of these structural elements derived from the moderator in the polymer can also be determined by means of 1 H NMR spectroscopy. This can be done, for example, by correlating the intensity of the vinyl ester-derived signals, the proportion of which in the polymer is known, with the signals appearing at about 2.4 to 2.5 ppm of the methylene or methine group adjacent to the carbonyl group of the moderators.
- the polymers according to the invention are usually used as concentrates in organic solvents for better handling.
- suitable Solvents or dispersants are, for example, higher-boiling aliphatic hydrocarbons, aromatic hydrocarbons, alcohols, esters, ethers and mixtures thereof.
- the additives according to the invention preferably contain from 10 to 90% by weight, in particular from 20 to 80% by weight and especially from 50 to 75% by weight, for example from 60 to 70% by weight, of solvent.
- the self-stick point of the terpolymers of the invention when diluted to an active ingredient content of less than 40 wt .-%, preferably 20 to 40 wt .-%, in particular 25 to 40 wt .-%, such as 30 to 35 parts by weight.
- Active ingredient drops significantly more than in polymers of the prior art. This effect is particularly pronounced in predominantly aromatic solvents and solvent mixtures. Thus, concentrates are obtained with eigenstock points of -30 ° C and below.
- the effectiveness of the polymers according to the invention is superior to those of the prior art at the same additive concentration in the additized oil.
- such concentrates of terpolymers according to the invention can also be mixed into fuel oils having temperatures of below 0 ° C., for example below -10 ° C. and partly below -25 ° C., without any impairment of the filterability of the additized fuel oils known from conventional additives comes through undissolved portions of the additive.
- the additives according to the invention it is possible with the additives according to the invention to improve the cold flow properties of fuel oils without prior heating of oil and / or additive.
- the polymers according to the invention are used alone or in a mixture with other constituents as additives for mineral oil distillates, in the following they are therefore also referred to as additives according to the invention.
- the additives according to the invention can also be added to middle distillates for improving cold flowability in combination with further additives such as, for example, further ethylene copolymers, polar nitrogen compounds, alkylphenol-aldehyde resins, comb polymers, polyoxyalkylene compounds and / or olefin copolymers.
- further additives such as, for example, further ethylene copolymers, polar nitrogen compounds, alkylphenol-aldehyde resins, comb polymers, polyoxyalkylene compounds and / or olefin copolymers.
- additives according to the invention are used for middle distillates, they also contain, in a preferred embodiment, one or more of the constituents II to VII in addition to the terpolymers according to the invention.
- ethylene copolymers preferably contain one or more further copolymers of ethylene and olefinically unsaturated compounds, in particular unsaturated esters, as constituent II.
- Particularly suitable ethylene copolymers are those which in addition to ethylene have 6 to 21 mol%, in particular 10 to 18 mol% Comonomers included.
- the olefinically unsaturated compounds are preferably vinyl esters, acrylic esters, methacrylic esters, alkyl vinyl ethers and / or alkenes, it being possible for the abovementioned compounds to be substituted by hydroxyl groups.
- One or more comonomers may be included in the polymer.
- said alkyl groups may be substituted with one or more hydroxyl groups.
- R 11 is a branched alkyl radical or a neoalkyl radical having 7 to 11 carbon atoms, in particular having 8, 9 or 10 carbon atoms.
- Particularly preferred vinyl esters are derived from secondary and especially tertiary carboxylic acids whose branching is in the alpha position to the carbonyl group.
- Suitable vinyl esters include vinyl acetate, vinyl propionate, vinyl butyrate, vinyl isobutyrate, vinyl hexanoate, vinyl heptanoate, vinyl octanoate, vinyl pivalate, vinyl 2-ethylhexanoate, vinyl laurate, vinyl stearate and versatic acid esters such as vinyl neononanoate, vinyl neodecanoate, vinyl neoundecanoate.
- these ethylene copolymers contain vinyl acetate and at least one further vinyl ester of the formula 3 in which R 11 is C 4 to C 30 -alkyl, preferably C 4 to C 16 -alkyl, especially C 6 - to C 12 -alkyl ,
- Suitable acrylic esters include, for example, methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, n- and isobutyl (meth) acrylate, hexyl, octyl, 2-ethylhexyl, decyl, dodecyl, tetradecyl , Hexadecyl, octadecyl (meth) acrylate and mixtures of these comonomers.
- said alkyl groups may be substituted with one or more hydroxyl groups.
- An example of such an acrylic ester is hydroxyethyl methacrylate.
- said alkyl groups may be substituted with one or more hydroxyl groups.
- the alkenes are preferably simple unsaturated hydrocarbons having 3 to 30 carbon atoms, especially 4 to 16 carbon atoms and especially 5 to 12 carbon atoms.
- Suitable alkenes include propene, butene, isobutylene, pentene, hexene, 4-methylpentene, octene, diisobutylene and norbornene and its derivatives such as methylnorbornene and vinylnorbornene.
- said alkyl groups may be substituted with one or more hydroxyl groups.
- Particularly preferred terpolymers of 2-ethylhexanoic acid vinyl ester, vinyl neononanoate or vinyl neodecanoate contain, in addition to ethylene, preferably 3.5 to 20 mol%, in particular 8 to 15 mol% vinyl acetate and 0.1 to 12 mol%, in particular 0.2 to 5 mol% of the respective long-chain vinyl ester, wherein the total comonomer content is between 8 and 21 mol%, preferably between 12 and 18 mol%.
- copolymers contain, in addition to ethylene and 8 to 18 mol% of vinyl esters, 0.5 to 10 mol% of olefins such as propene, butene, isobutylene, hexene, 4-methylpentene, octene, diisobutylene and / or norbornene.
- olefins such as propene, butene, isobutylene, hexene, 4-methylpentene, octene, diisobutylene and / or norbornene.
- These ethylene copolymers and terpolymers preferably have melt viscosities at 140 ° C. of from 20 to 10,000 mPas, in particular from 30 to 5,000 mPas, especially from 50 to 2,000 mPas.
- the means of 1 H-NMR spectroscopy, certain degrees of branching are preferably between 1 and 9 CH 3/100 CH 2 groups, especially between 2 and 6 CH 3/100 CH 2 groups, which do not stem from the comonomers.
- the polymers underlying the mixtures differ in at least one characteristic.
- they may contain different comonomers, have different comonomer contents, molecular weights and / or degrees of branching.
- mixtures have proven particularly useful in which the Automatcomonomergehalt (the content of monomers other than ethylene) of the other ethylene copolymer at least two, in particular at least three mol% lower than that of the additive according to the invention.
- mixtures have proved particularly useful in which the average molecular weight Mw of the further ethylene copolymer is higher by at least 500 and in particular by at least 1000 g / mol than that of the additive according to the invention.
- the mixing ratio between the additives according to the invention and ethylene copolymers as constituent II can vary within wide limits, depending on the application, with the additives according to the invention often representing the greater proportion.
- Such additive mixtures preferably contain from 30 to 98% by weight, preferably from 50 to 97% by weight and especially from 70 to 95% by weight of the inventive additives and 2 to 70 wt .-%, preferably 3 to 50 wt .-% and especially 5 to 20 wt .-% ethylene copolymers (component II).
- the suitable oil-soluble polar nitrogen compounds are preferably reaction products of fatty amines with compounds containing an acyl group.
- the alkyl and alkenyl radicals can be linear or branched and contain up to two double bonds. They are preferably linear and substantially saturated, ie they have iodine numbers of less than 75 gl 2 / g, preferably less than 60 gl 2 / g and in particular between 1 and 10 gl 2 / g. Particularly preferred are secondary fatty amines in which two of the groups R 6 , R 7 and R 8 are C 8 -C 36 -alkyl, C 6 -C 36 -cycloalkyl, C 8 -C 36 -alkenyl, in particular C 12 -C 24 alkyl, C 12 -C 24 alkenyl or cyclohexyl.
- Suitable fatty amines are, for example, octylamine, decylamine, dodecylamine, tetradecylamine, hexadecylamine, octadecylamine, eicosylamine, behenylamine, didecylamine, didodecylamine, ditetradecylamine, dihexadecylamine, dioctadecylamine, dieicosylamine, dibehenylamine and mixtures thereof.
- the amines contain chain cuts based on natural raw materials such as coco fatty amine, tallow fatty amine, hydrogenated tallow fatty amine, dicocosfettamine, ditallow fatty amine and di (hydrogenated tallow fatty amine).
- Particularly preferred amine derivatives are amine salts, imides and / or amides such as, for example, amide ammonium salts of secondary fatty amines, in particular dicocosfettamine, ditallow fatty amine and distearylamine.
- Suitable carbonyl compounds for the reaction with amines are both monomeric and polymeric compounds having one or more carboxyl groups. In the case of the monomeric carbonyl compounds, preference is given to those having 2, 3 or 4 carbonyl groups. They can also contain heteroatoms such as oxygen, sulfur and nitrogen.
- carboxylic acids examples include maleic, fumaric, crotonic, itaconic, succinic, C 1 -C 40 -alkenylsuccinic, adipic, glutaric, sebacic, and malonic acids and benzoic, phthalic, trimellitic and pyromellitic acid, nitrilotriacetic acid , Ethylenediaminetetraacetic acid and their reactive derivatives such as esters, anhydrides and acid halides.
- Copolymers of ethylenically unsaturated acids such as, for example, acrylic acid, methacrylic acid, maleic acid, fumaric acid and itaconic acid, have proven particularly suitable as polymeric carbonyl compounds, particular preference is given to copolymers of maleic anhydride.
- Suitable comonomers are those which impart oil solubility to the copolymer. Oil-soluble means here that the copolymer dissolves without residue in the middle distillate to be additive after reaction with the fatty amine in practice-relevant metering rates.
- Suitable comonomers are, for example, olefins, alkyl esters of acrylic acid and methacrylic acid, alkyl vinyl esters and alkyl vinyl ethers having 2 to 75, preferably 4 to 40 and in particular 8 to 20 carbon atoms in the alkyl radical.
- the carbon number refers to the alkyl radical attached to the double bond.
- the molecular weights of the polymeric carbonyl compounds are preferably between 400 and 20,000, more preferably between 500 and 10,000, for example between 1,000 and 5,000.
- Oil-soluble polar nitrogen compounds which have been obtained by reaction of aliphatic or aromatic amines, preferably long-chain aliphatic amines, with aliphatic or aromatic mono-, di-, tri- or tetracarboxylic acids or their anhydrides have proved particularly suitable (cf. US 4 211 534 ).
- amides and ammonium salts of aminoalkylene polycarboxylic acids such as nitrilotriacetic acid or ethylenediaminetetraacetic acid with secondary amines are suitable as oil-soluble polar nitrogen compounds (cf. EP 0 398 101 ).
- oil-soluble polar nitrogen compounds are copolymers of maleic anhydride with ⁇ , ⁇ -unsaturated compounds, which can optionally be reacted with primary monoalkylamines and / or aliphatic alcohols (cf. EP-A-0 154 177 . EP 0 777 712 ), the reaction products of Alkenylspirobislactonen with amines (see. EP-A-0 413 279 B1) and after EP-A-0 606 055 A2 reaction products of terpolymers based on ⁇ , ⁇ -unsaturated dicarboxylic acid anhydrides, ⁇ , ⁇ -unsaturated compounds and polyoxyalkylene ethers of lower unsaturated alcohols.
- the mixing ratio between the additives according to the invention and oil-soluble polar nitrogen compounds as constituent III can vary depending on the application.
- such additive mixtures contain 0.1 to 10 parts by weight, preferably 0.2 to 5 parts by weight, based on the active compounds, of at least one oil-soluble polar nitrogen compound per part by weight of the additive according to the invention.
- Suitable alkylphenol-aldehyde resins as constituent IV are, in particular, those alkylphenol-aldehyde resins which are derived from alkylphenols having one or two alkyl radicals in ortho and / or para position to the OH group.
- Particularly preferred as starting materials are alkylphenols which carry at least two hydrogen atoms capable of condensation with aldehydes on the aromatic and in particular monoalkylated phenols.
- the alkyl radical is in the para position to the phenolic OH group.
- the alkyl radicals may be identical or different in the alkylphenol-aldehyde resins which can be used with the additives according to the invention.
- the alkyl radicals can be saturated or unsaturated. They can be linear or branched, preferably they are linear. They have 1 to 200, preferably 1 to 24, especially 4 to 16 such as 6 to 12 carbon atoms.
- alkylphenol-aldehyde resins are derived from linear alkyl radicals having 8 and 9 C atoms.
- mixtures of alkylphenols having different alkyl radicals are used for the preparation of the alkylphenol resins.
- resins based on butylphenol have on the one hand and octyl, nonyl and / or dodecylphenol in the molar ratio of 1:10 to 10: 1 on the other hand, particularly useful.
- Suitable alkylphenol resins may also contain or consist of structural units of other phenol analogs such as salicylic acid, hydroxybenzoic acid and derivatives thereof such as esters, amides and salts.
- Suitable aldehydes for the alkylphenol-aldehyde resins are those having 1 to 12 carbon atoms and preferably those having 1 to 4 carbon atoms such as formaldehyde, acetaldehyde, propionaldehyde, butyraldehyde, 2-ethylhexanal, benzaldehyde, glyoxalic acid and their reactive equivalents such as paraformaldehyde and trioxane.
- Particularly preferred is formaldehyde in the form of paraformaldehyde, and especially formalin.
- the molecular weight of the alkylphenol-aldehyde resins measured by gel permeation chromatography against poly (styrene) standards in THF is preferably 500-25,000 g / mol, more preferably 800-10,000 g / mol and especially 1,000-5,000 g / mol such as 1500-3,000 g / mol.
- the prerequisite here is that the alkylphenol-aldehyde resins, at least in application-relevant concentrations of 0.001 to 1 wt .-% are oil-soluble.
- these are alkylphenol-formaldehyde resins, the oligo- or polymers having a repetitive structural unit of the formula in which R 9 is C 1 -C 200 -alkyl or -alkenyl, OR 10 or OC (O) -R 10 , R 10 is C 1 -C 200 -alkyl or -alkenyl and n is a number from 2 to 100 stand.
- R 10 stands preferably C 1 -C 24 -alkyl or -alkenyl and in particular C 4 -C 16 -alkyl or -alkenyl such as, for example, C 6 -C 12 -alkyl or -alkenyl.
- R 9 is C 1 -C 24 -alkyl or -alkenyl and in particular C 4 -C 16 -alkyl or -alkenyl, for example C 6 -C 12 -alkyl or -alkenyl.
- n is a number from 2 to 50 and especially a number from 3 to 25, such as a number from 5 to 15.
- alkylphenol-aldehyde resins are accessible by known methods, for example by condensation of the corresponding alkylphenols with formaldehyde, ie with 0.5 to 1.5 moles, preferably 0.8 to 1.2 moles of formaldehyde per mole of alkylphenol.
- the condensation can be carried out solvent-free, but preferably it is carried out in the presence of an inert or only partially water-miscible inert organic solvent such as mineral oils, alcohols, ethers and the like. Particularly preferred are solvents which can form azeotropes with water.
- solvents in particular aromatics such as toluene, xylene diethylbenzene and higher-boiling commercial solvent mixtures such as ® Shellsol AB, and solvent naphtha are used.
- fatty acids and their derivatives such as esters with lower alcohols having 1 to 5 carbon atoms such as ethanol and especially methanol are suitable as solvents.
- the condensation is preferably carried out between 70 and 200 ° C such as between 90 and 160 ° C. It is usually catalysed by 0.05 to 5 wt .-% bases or preferably by 0.05 to 5 wt .-% acids.
- acidic catalysts in addition to carboxylic acids such as acetic acid and oxalic acid in particular strong mineral acids such as hydrochloric acid, phosphoric acid and sulfuric acid and sulfonic acids are common catalysts.
- Particularly suitable catalysts are sulfonic acids which contain at least one sulfonic acid group and at least one saturated or unsaturated, linear, branched and / or cyclic hydrocarbon radical having 1 to 40 C atoms and preferably having 3 to 24 C atoms.
- aromatic sulfonic acids especially alkylaromatic mono-sulfonic acids having one or more C 1 -C 28 -alkyl radicals and in particular those having C 3 -C 22 -alkyl radicals.
- Suitable examples are methanesulfonic acid, butanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid, xylenesulfonic acid, 2-mesitylenesulfonic acid, 4-ethylbenzenesulfonic acid, isopropylbenzenesulfonic acid, 4-butylbenzenesulfonic acid, 4-octylbenzenesulfonic acid; Dodecylbenzenesulfonic acid, didodecylbenzenesulfonic acid, naphthalenesulfonic acid.
- Suitable comb polymers are, for example, copolymers of ethylenically unsaturated dicarboxylic acids such as maleic or fumaric acid with other ethylenically unsaturated monomers such as olefins or vinyl esters such as vinyl acetate.
- Particularly suitable olefins are ⁇ -olefins having 10 to 24 carbon atoms such as 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene and mixtures thereof.
- olefins based on oligomerized C 2 -C 6 -olefins such as poly (isobutylene) with a high proportion of terminal double bonds are suitable as comonomers.
- these copolymers become too At least 50% esterified with alcohols having 10 to 22 carbon atoms.
- Suitable alcohols include n-decan-1-ol, n-dodecan-1-ol, n-tetradecan-1-ol, n-hexadecan-1-ol, n-octadecan-1-ol, n-eicosan-1-ol and their mixtures.
- comb polymers are poly (alkyl acrylates), poly (alkyl methacrylates) and poly (alkyl vinyl ethers) derived from alcohols having 12 to 20 carbon atoms and poly (vinyl esters) derived from fatty acids having 12 to 20 carbon atoms ,
- Suitable polyoxyalkylene compounds are, for example, esters, ethers and ethers / esters of polyols which carry at least one alkyl radical having 12 to 30 C atoms.
- the alkyl groups are derived from an acid, the remainder is derived from a polyhydric alcohol; If the alkyl radicals come from a fatty alcohol, the remainder of the compound derives from a polyacid.
- Suitable polyols are polyethylene glycols, polypropylene glycols, polybutylene glycols and their copolymers having a molecular weight of about 100 to about 5000, preferably 200 to 2000 g / mol.
- alkoxylates of polyols such as, for example, glycerol, trimethylolpropane, pentaerythritol, neopentyl glycol, and the oligomers having from 2 to 10 monomer units obtainable therefrom by condensation, e.g. Polyglycerol.
- Preferred alkoxylates are those having from 1 to 100, in particular from 5 to 50, mol of ethylene oxide, propylene oxide and / or butylene oxide per mole of polyol. Esters are especially preferred.
- Fatty acids containing 12 to 26 carbon atoms are preferred for reaction with the polyols to form the ester additives, more preferably C 18 to C 24 fatty acids, especially stearic and behenic acid.
- the esters can also be prepared by esterification of polyoxyalkylated alcohols. Preference is given to completely esterified polyoxyalkylated polyols having molecular weights of from 150 to 2,000, preferably from 200 to 600. Particularly suitable are PEG-600 dibehenate and glycerol-ethylene glycol tribehenate.
- Suitable olefin copolymers (component VII) as further constituent of the additive according to the invention can be derived directly from monoethylenically unsaturated monomers or indirectly by hydrogenation of polymers which differ from derive polyunsaturated monomers such as isoprene or butadiene produced.
- preferred copolymers contain structural units which are derived from ⁇ -olefins having 3 to 24 carbon atoms and have molecular weights of up to 120,000 g / mol.
- Preferred ⁇ -olefins are propylene, butene, isobutene, n-hexene, isohexene, n-octene, isooctene, n-decene, isodecene.
- the comonomer content of ⁇ -olefins having 3 to 24 C atoms is preferably between 15 and 50 mol%, more preferably between 20 and 35 mol% and especially between 30 and 45 mol%. These copolymers may also contain minor amounts, eg up to 10 mol% of other comonomers, such as non-terminal olefins or non-conjugated olefins.
- Preferred are ethylene-propylene copolymers.
- the olefin copolymers can be prepared by known methods, for example by Ziegler or metallocene Katatysatoren.
- olefin copolymers are block copolymers containing blocks of olefinically unsaturated aromatic monomers A and blocks of hydrogenated polyolefins B.
- Particularly suitable are block copolymers of the structure (AB) n A and (AB) m , where n is a number between 1 and 10 and m is a number between 2 and 10.
- the mixing ratio between the additives according to the invention and alkylphenol-aldehyde resins (constituent IV), comb polymers (constituent V), polyoxyalkylene compounds (constituent VI) and olefin copolymers (constituent VII) can vary depending on the application.
- such additive mixtures contain 0.1 to 10 parts by weight, preferably 0.2 to 5 parts by weight, of at least one alkylphenol-aldehyde resin, a comb polymer, a polyoxyalkylene compound and / or an olefin copolymer per part by weight of the additive according to the invention.
- the additives according to the invention can be used alone or together with other additives, for example with other pour point depressants or dewaxing aids, with antioxidants, cetane number improvers, dehazers, demulsifiers, detergents, dispersants, defoamers, colorants, corrosion inhibitors, lubricity additives, sludge inhibitors, odorants and / or Additions to Humiliation of the Cloud Point.
- additives for example with other pour point depressants or dewaxing aids, with antioxidants, cetane number improvers, dehazers, demulsifiers, detergents, dispersants, defoamers, colorants, corrosion inhibitors, lubricity additives, sludge inhibitors, odorants and / or Additions to Humiliation of the Cloud Point.
- the additives according to the invention are suitable for improving the cold flow properties of animal, vegetable and / or mineral fuel oils. At the same time, these additives have very low properties and their concentrated formulations in mineral oil based solvents lead to low viscosity, clear formulations. This allows easy use of these additives, especially under conditions where the additives need to be used without the possibility of preheating at low temperatures, as may occur, for example, when used in remote regions in winter.
- mineral oils and mineral oil distillates such as jet fuel, kerosene, diesel and heating oil with low cloud points below 0 ° C, especially below -10 ° C such as below -15 ° C or below -20 ° C.
- they have often been subjected to hydrogenation refining and preferably contain less than 350 ppm sulfur, and more preferably less than 100 ppm sulfur, such as less than 50 ppm or 10 ppm sulfur.
- these oils preferably contain less than 25% by weight, in particular less than 22% by weight, for example less than 20% by weight of aromatic compounds.
- the fuel oils according to the invention preferably contain 5 to 5,000 ppm, more preferably 10 to 2,000 ppm and especially 50 to 1,000 ppm of at least one terpolymer of ethylene, unsaturated ester and propene according to the invention.
- the middle distillate is in particular those mineral oils which are obtained by distillation of crude oil and boil in the range of 120 to 450 ° C, for example kerosene, jet fuel, diesel and fuel oil.
- the compositions according to the invention are particularly advantageous in such middle distillates, having 90% distillation points below 360 ° C., in particular 350 ° C. and in special cases below 340 ° C.
- Middle distillates also include synthetic fuel oils boiling in the temperature range of about 120 to 450 ° C and mixtures of mineral and these synthetic middle distillates. Examples of synthetic middle distillates are in particular by the Fischer-Tropsch process from coal, Natural gas or biomass produced fuels. Synthesis gas is first produced and this is converted into normal paraffins via the Fischer-Tropsch process. The normal paraffins thus prepared can then be modified, for example, by catalytic cracking, isomerization, hydrocracking or hydrosiomerization.
- aromatic compounds is meant the sum of mono-, di- and polycyclic aromatic compounds as determinable by HPLC according to DIN EN 12916 (2001 edition).
- the additive mixtures according to the invention are also particularly effective in middle distillates which contain minor amounts, for example up to 30% by volume, of oils of animal and / or vegetable origin.
- oils of animal and / or plant origin are both triglycerides and esters derived therefrom with lower alcohols having 1 to 5 carbon atoms such as ethyl and in particular methyl esters, for example, from cotton, palm kernels, rapeseed, soy, sunflower, tallow and the like are accessible.
- Process A In a continuously operated tubular reactor were ethylene, propene and vinyl acetate at 200 MPa and a peak temperature of 220 ° C under Addition of the molecular weight regulator indicated in Table 1 copolymerized. The resulting polymer was separated from the reaction mixture and then freed of residual monomers.
- Method B In a continuously operated high-pressure autoclave, ethylene, vinyl acetate and propylene were copolymerized by adding a 10% by weight solution of bis (2-ethylhexyl) peroxydicarbonate as an initiator and the molecular weight regulator shown in Table 1. The resulting polymer was separated from the reaction mixture and then freed of residual monomers.
- an ethylene-vinyl acetate copolymer (Ex. 24), a terpolymer of ethylene, vinyl acetate and propene were used according to EP 0 190 553 (Ex. 25), a terpolymer of ethylene, vinyl acetate and 4-methylpentene-1 according to EP 0 807 642 (Ex. 26) and a terpolymer of ethylene, vinyl acetate and isobutylene (Ex 27).
- the vinyl acetate content is determined by means of pyrolysis of the polymer freed from residual monomers at 150 ° C./100 mbar.
- 100 mg of the polymer are thermally split with 200 mg of pure polyethylene in a pyrolysis flask for 5 minutes at 450 ° C in a closed system under vacuum and collected the fission gases in a 250 ml round bottom flask.
- the cleavage product acetic acid is reacted with a NaJ / KJO 3 solution and titrated with Na 2 S 2 O 3 solution, the liberated iodine.
- the determination of the total number of non-vinyl ester methyl groups of the polymer by means of 1 H-NMR spectroscopy at a measurement frequency of 500 MHz at 10 to 15% solutions in C 2 D 2 Cl 4 at 300 K.
- the integral of the methyl protons between about 0.7 to 0.9 ppm is related to that of the methylene and methine protons between about 0.9 and 1.9 ppm.
- a correction of the number of methyl groups around the structural units derived from the moderator used and superposed with the signals of the polymer main chain is based on the separately appearing methine proton of the moderator (for example, methyl ethyl ketone and propanal multiplet at 2.4 and 2.5 ppm).
- the determination of the content of methyl groups derived from propene is carried out by means of 13 C-NMR spectroscopy at a measurement frequency of 125 MHz at also 10 to 15% solutions in C 2 D 2 Cl 4 at 300 K.
- the integral of the Propene-derived methyl groups between 19.3 and 20.2 ppm are proportioned to that of the aliphatic carbon atoms of the polymer backbone between 22 and 44 ppm.
- 1 H and 13 C NMR measurements are carried out on the same sample.
- the number of chain ends is determined by subtracting the number of methyl groups derived from propene by 13 C-NMR from the total number of methyl groups determined by 1 H-NMR. Both values are to be treated as dimensionless numbers.
- the CFPP value was determined in accordance with EN 116 and the determination of the cloud point in accordance with ISO 3015.
- Test oil 1 Test oil 2
- Test oil 3 Test oil 4 distillation IBP [° C] 200 194 188 171 20% [° C] 251 249 232 218 90% [° C] 342 341 323 324 FBP [° C] 357 355 355 351 Cloud Point [° C] -4.2 -5.6 -18 -5.4 CFPP [° C] -6 -7 -20 -8th Density @ 15 ° C [g / cm 3 ] .8433 0,840 0,852 0.831 example polymer metering 100 ppm 200 ppm 300 ppm 1 P1 -7 -10 -18 2 P2 -11 -14 -17 3 P3 -10 -18 -20 4 P4 -11 -19 -21 5 P7 -11 -20 -21 6 P8 -11 -16 -21 7 P9 -7 -12 -18 8th P10 -12 -22 -21 9 P
- the effectiveness of the terpolymers according to the invention was determined in the test oils 3 and 4 in a combination of 85% by weight of the polymers according to the invention with 15% by weight of a condensate of alkylphenol and formaldehyde having an average molecular weight of 12,000 g / mol.
- Table 5 Test as cold flow improver in test oil 3 example polymer metering 25 ppm 50 ppm 100 ppm 42 P2 -33 -35 -36 43 P6 -33 -34 -37 44 P7 -34 -33 -36 45 P8 -34 -35 -38 46 P14 -33 -34 -35 47 P16 -34 -34 -35 48 P17 -32 -33 -35 49 P19 -35 -38 -39 50 P25 (Cf.) -25 -27 -28 51 P27 (Cf.) -29 -31 -32 example polymer metering 300 ppm 400 ppm 500 ppm 52 P4 -12 -12 -18 53 P5 -12 -18 -19 54 P6 -12 -19 -20 55 P7 -19 -19 -19 56 P8 -17 -20 -18 57 P11 -12 -19 -19 58 P12 -12 -18 -18 59 P13 -12 -15 -18 60 P
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DE102006033151.6A DE102006033151B4 (de) | 2006-07-18 | 2006-07-18 | Additive zur Verbesserung der Kälteeigenschaften von Brennstoffölen |
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EP1881055A2 true EP1881055A2 (fr) | 2008-01-23 |
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US (1) | US8979951B2 (fr) |
EP (1) | EP1881055B1 (fr) |
JP (1) | JP5854549B2 (fr) |
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WO2022023636A1 (fr) | 2020-07-31 | 2022-02-03 | Totalenergies Marketing Services | Utilisation de copolymères à distribution de masse molaire spécifique pour abaisser la température limite de filtrabilité de carburants ou de combustibles |
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DE19620118C1 (de) | 1996-05-18 | 1997-10-23 | Hoechst Ag | Terpolymerisate des Ethylens, ihre Herstellung und ihre Verwendung als Additive für Mineralöldestillate |
DE19729057A1 (de) | 1997-07-08 | 1999-01-14 | Clariant Gmbh | Copolymere auf Basis von Ethylen und ungesättigten Carbonsäureestern und ihre Verwendung als Mineralöladditive |
DE19754555A1 (de) | 1997-12-09 | 1999-06-24 | Clariant Gmbh | Verfahren zur Herstellung von Ethylen-Mischpolymerisaten und deren Verwendung als Zusatz zu Mineralöl und Mineralöldestillaten |
DE19802689A1 (de) | 1998-01-24 | 1999-07-29 | Clariant Gmbh | Verfahren zur Verbesserung der Kaltfließeigenschaften von Brennstoffölen |
DE10000649C2 (de) * | 2000-01-11 | 2001-11-29 | Clariant Gmbh | Mehrfunktionelles Additiv für Brennstofföle |
DE10012267B4 (de) | 2000-03-14 | 2005-12-15 | Clariant Gmbh | Copolymermischungen und ihre Verwendung als Additiv zur Verbesserung der Kaltfließeigenschaften von Mitteldestillaten |
DE10245737C5 (de) | 2002-10-01 | 2011-12-08 | Clariant Produkte (Deutschland) Gmbh | Verfahren zur Herstellung von Additivmischungen für Mineralöle und Mineralöldestillate |
DE10260714A1 (de) * | 2002-12-23 | 2004-07-08 | Clariant Gmbh | Brennstofföle mit verbesserten Kälteeigenschaften |
DE10357878C5 (de) * | 2003-12-11 | 2013-07-25 | Clariant Produkte (Deutschland) Gmbh | Brennstofföle aus Mitteldestillaten und Ölen pflanzlichen oder tierischen Ursprungs mit verbesserten Kälteeigenschaften |
DE102006033150B4 (de) | 2006-07-18 | 2008-10-16 | Clariant International Limited | Additive zur Verbesserung der Kälteeigenschaften von Brennstoffölen |
DE102006033149A1 (de) | 2006-07-18 | 2008-01-31 | Clariant International Limited | Additive zur Verbesserung der Kälteeigenschaften von Brennstoffölen |
-
2006
- 2006-07-18 DE DE102006033151.6A patent/DE102006033151B4/de active Active
-
2007
- 2007-06-13 EP EP07011540.7A patent/EP1881055B1/fr active Active
- 2007-07-17 JP JP2007185139A patent/JP5854549B2/ja active Active
- 2007-07-17 US US11/879,409 patent/US8979951B2/en active Active
- 2007-07-17 CA CA2593931A patent/CA2593931C/fr active Active
- 2007-07-18 KR KR1020070071692A patent/KR101519393B1/ko active IP Right Grant
-
2015
- 2015-04-01 KR KR20150046182A patent/KR20150039740A/ko not_active Application Discontinuation
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US4178951A (en) * | 1978-10-10 | 1979-12-18 | Texaco Inc. | Low pour point crude oil compositions |
EP0190553A1 (fr) * | 1985-01-17 | 1986-08-13 | Ruhrchemie Aktiengesellschaft | Procédé d'amélioration de la fluidité des huiles minérales et des distillats d'huiles minérales |
EP1526168A2 (fr) * | 2003-10-25 | 2005-04-27 | Clariant GmbH | Agent d'amélioration de l'écoulement à froid pour huiles combustibles d'origine végétale ou animale |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022023636A1 (fr) | 2020-07-31 | 2022-02-03 | Totalenergies Marketing Services | Utilisation de copolymères à distribution de masse molaire spécifique pour abaisser la température limite de filtrabilité de carburants ou de combustibles |
FR3113063A1 (fr) | 2020-07-31 | 2022-02-04 | Total Marketing Services | Utilisation de copolymères à distribution de masse molaire spécifique pour abaisser la température limite de filtrabilité de carburants ou de combustibles |
Also Published As
Publication number | Publication date |
---|---|
JP5854549B2 (ja) | 2016-02-09 |
KR101519393B1 (ko) | 2015-05-15 |
EP1881055B1 (fr) | 2015-06-03 |
KR20150039740A (ko) | 2015-04-13 |
CA2593931A1 (fr) | 2008-01-18 |
US20080016753A1 (en) | 2008-01-24 |
US8979951B2 (en) | 2015-03-17 |
CA2593931C (fr) | 2014-02-18 |
DE102006033151B4 (de) | 2014-11-20 |
KR20080008276A (ko) | 2008-01-23 |
EP1881055A3 (fr) | 2011-02-02 |
DE102006033151A1 (de) | 2008-01-31 |
JP2008024930A (ja) | 2008-02-07 |
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