EP1192239A1 - Composition d'additifs multifonctionnels d'operabilite a froid des distillats moyens - Google Patents
Composition d'additifs multifonctionnels d'operabilite a froid des distillats moyensInfo
- Publication number
- EP1192239A1 EP1192239A1 EP00922705A EP00922705A EP1192239A1 EP 1192239 A1 EP1192239 A1 EP 1192239A1 EP 00922705 A EP00922705 A EP 00922705A EP 00922705 A EP00922705 A EP 00922705A EP 1192239 A1 EP1192239 A1 EP 1192239A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- additive
- chosen
- varying
- composition according
- 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
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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
-
- 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/221—Organic compounds containing nitrogen compounds of uncertain formula; reaction products where mixtures of compounds are obtained
Definitions
- the present invention relates to a new composition of multifunctional additives improving the cold operability of middle distillates, in particular during slow cooling processes during the storage of fuels and fuels at low temperatures. It aims in particular to improve the anti-sedimentation properties for an application in fuels for diesel engines and in fuels such as heating oil for boilers.
- the cold operability corresponds to a limit temperature at which the middle distillates can be used without clogging problem. It is intermediate between the cloud point temperature (ASTM D 2500-66) characteristic of the start of paraffin crystallization in the distillate and the pour point of the latter (ASTM D 97-66).
- paraffins are crystallized at the bottom of the tank, they can be entrained when starting in the engine and in particular clog the filters and prefilters arranged upstream of the injection systems (pump and injectors). Similarly for the storage of domestic fuel oils, paraffins precipitate at the bottom of the tank and can be entrained and obstruct the pipes upstream of the pump and the boiler supply system (nozzle and filter). It is obvious that the presence of solids, such as paraffin crystals, prevents the normal circulation of the middle distillate.
- TLF additives Temporal Limit of
- the present invention relates to a composition of multifunctional additives making it possible to lower and maintain the cold operability temperature of middle distillates, so that, during a slow cooling step during storage in a closed enclosure, up to temperatures above -20 ° C, no sedimentation of the paraffins contained in the middle distillates is observed.
- the present invention therefore relates to a composition of multifunctional additives for cold operability of middle distillates resulting from the reaction of carboxylic compounds with amino compounds, characterized in that it contains at least 50% by weight of a mixture consisting by: a) 10 to 90% by weight of an additive (AB) resulting from the reaction of at least one carboxylic compound (A) chosen from alkylmaleic and alkenylmaleic anhydrides and alkylsuccinic and alkenylsuccinic anhydrides having from 4 to 32 atoms of carbon in the alkyl radicals and alkenyls, the acids and the esters corresponding with at least one polyalkyleneamine (B) of general formula (I) below:
- n is an integer varying from 2 to 4 and m is an integer varying from 1 to 4, the molar ratio A / B being between and m + 1, and m + 1 preferably between 1 and 2,
- Ri and R 2 are chosen from the group consisting of hydrogen, and linear or branched alkyl groups comprising from 1 to 20 carbon atoms
- R3 is hydrogen or a linear alkyl group of at least plus three carbon atoms
- R4 is hydrogen or an alkyl group comprising from 1 to 25 carbon atoms, ii) with an N-alkylpolyalkylenepolyamine (D) of general formula (III) below:
- the additive according to the invention consists of:
- the additive composition is obtained by combination of 50 to 80% AB and 20 to 50% by weight of the reaction product CD.
- the additive composition comprises from 50 to 80% by weight of an AB, CD combination in an AB / CD molar ratio varying from 0.2 to 4, and from 20 to 50% by weight of a mixture of AD, CB in an AD / CB molar ratio varying from 0.2 to 4.
- the carboxylic compound (A) is preferably chosen from the group comprising dodecylmaleic, dodecenylmaleic, hexadecylmaleic, hexadecenylmaleic octadecylmaleic, octadecenylmaleic, eicosylmaleic and eicosenylmaleic anhydrides.
- the polyalkyleneamine (B) is preferably chosen from the group comprising diethylenetriamine, dipropylenetriamine, triethylenetetramine, tripropylenetetramine, tetraethylenepentamine and tetrapropylenepentamine.
- the copolymer (C) is preferably a copolymer containing from 45 to 65 mol% of at least one carboxylic acid unit and from 55 to 35 mol% of at least one alkyl ester unit.
- the carboxylic acid units are preferably chosen from the units resulting from acrylic and methacrylic acids, and the alkyl ester units from the units resulting from acrylic and methacrylic esters, and their derivatives.
- the copolymer (C) is chosen from acrylic acid / methacrylic ester copolymers and methacrylic acid / acrylic ester copolymers containing 45 to 65 mole% of acid units and 55 to 35 mole% of ester units.
- the N-alkylpolyalkylenepolyamine (D) is preferably chosen from the group comprising N-alkylethylenediamines, N-alkylpropylenediamines, N-alkylbutylenediamines, N-alkyldiethylenetriamines, N-alkyldipropylenetriamines, N-alkyldibutylenetriamines, N-alkyldetriamines -alkyltripropylene-tetramines and N-alkyltributylenetetramines having an alkyl radical comprising from 12 to 22 carbon atoms.
- D is chosen from N-dodecyldipropylenetriamine, N-octadecyldipropylene triamine, N-octadecyldiethylenetriamine and N-docosyldiethylenetriamine.
- a second object of the invention is a fuel containing a major part of middle distillate generally containing a filterability additive, and a minor part, for example from 50 to 1000 ppm of a composition of multifunctional additives of Cold operability for cooling. slow.
- the present example presents the two cooling methods used as well as the composition of the gas oils and additives tested.
- the method by quenching cooling described in standard NFT M07-085, consists in pouring a distillate sample into a graduated cylinder and placing it for 24 hours in a refrigerated cabinet at a temperature generally set between -13 and - 20 ° C, ie at a temperature at least 1 ° C below its cloud point temperature, and at least 6 ° C above its pour point temperature.
- the anti-sedimentation function of the additive compositions is therefore effective. If the upper phase is clear and a cloudy packing appears at the bottom of the test tube, the sedimentation is significant and the composition of additives ineffective in anti-sedimentation.
- Tcc starting crystallization temperature
- TLF limit filterability temperature
- the slow cooling method consists of introducing the sample of additive diesel fuel or not into a graduated cylinder, placing it in a refrigerated cabinet at a temperature 10 ° C higher than the cloud point temperature of said diesel fuel.
- the sample is gradually cooled from this temperature from 1 to 3 ° C / hour, to a final temperature of the test which can reach -15 to -20 ° C. Once the final temperature is reached, the sample is kept for 24 hours at this temperature, then the visual quotation already mentioned for the rapid quenching method is carried out, as well as the sampling of the phases at the top and bottom of the test piece to determine the temperatures Tcc and TLF of these different phases. The interpretation of the results is identical to the rapid quenching method.
- the present example aims to show the difference between the quench cooling method and the slow cooling method at 1 ° C per hour and therefore the advantage of selecting additives reproducing the actual cooling phenomenon of a car tank at l '' and therefore the diesel cooling process.
- composition of multifunctional additives is all the more effective the smaller the sum of the six differences on the three diesel fuels.
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Beans For Foods Or Fodder (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Confectionery (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- General Preparation And Processing Of Foods (AREA)
- Cosmetics (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Detergent Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SI200030075T SI1192239T1 (en) | 1999-04-26 | 2000-04-21 | Multifunctional additive composition for cold process treatment of middle distillates |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9905235A FR2792646B1 (fr) | 1999-04-26 | 1999-04-26 | Composition d'additifs multifonctionnels d'operabilite a froid des distillats moyens |
| FR9905235 | 1999-04-26 | ||
| PCT/FR2000/001052 WO2000065000A1 (fr) | 1999-04-26 | 2000-04-21 | Composition d'additifs multifonctionnels d'operabilite a froid des distillats moyens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1192239A1 true EP1192239A1 (fr) | 2002-04-03 |
| EP1192239B1 EP1192239B1 (fr) | 2003-02-05 |
Family
ID=9544841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00922705A Expired - Lifetime EP1192239B1 (fr) | 1999-04-26 | 2000-04-21 | Composition d'additifs multifonctionnels d'operabilite a froid des distillats moyens |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US6623536B1 (fr) |
| EP (1) | EP1192239B1 (fr) |
| JP (1) | JP2002543237A (fr) |
| KR (1) | KR100657047B1 (fr) |
| AT (1) | ATE232233T1 (fr) |
| CA (1) | CA2367927C (fr) |
| CZ (1) | CZ296126B6 (fr) |
| DE (1) | DE60001368T2 (fr) |
| DK (1) | DK1192239T3 (fr) |
| ES (1) | ES2192175T3 (fr) |
| FR (1) | FR2792646B1 (fr) |
| PL (1) | PL192234B1 (fr) |
| PT (1) | PT1192239E (fr) |
| SI (1) | SI1192239T1 (fr) |
| SK (1) | SK285752B6 (fr) |
| WO (1) | WO2000065000A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2802940B1 (fr) * | 1999-12-28 | 2003-11-07 | Elf Antar France | Composition d'additifs multifonctionnels d'operabilite a froid des distillats moyens |
| FR2839315B1 (fr) * | 2002-05-03 | 2006-04-28 | Totalfinaelf France | Additif pour ameliorer la stabilite thermique de compositions d'hydrocarbures |
| US20050138859A1 (en) * | 2003-12-16 | 2005-06-30 | Graham Jackson | Cold flow improver compositions for fuels |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2490669A1 (fr) * | 1980-09-19 | 1982-03-26 | Elf France | Nouvelles compositions d'additifs permettant l'amelioration de la temperature limite de filtrabilite et l'inhibition simultanee des cristaux de n-paraffines formes lors du stockage a basse temperature des distillats moyens |
| FR2510598A1 (fr) * | 1981-07-30 | 1983-02-04 | Inst Francais Du Petrole | Utilisation d'additifs azotes comme agents d'abaissement du point de trouble des distillats moyens d'hydrocarbures et compositions de distillats moyens d'hydrocarbures renfermant lesdits additifs |
| FR2633638B1 (fr) * | 1988-06-29 | 1991-04-19 | Inst Francais Du Petrole | Formulations d'additifs azotes pour carburants moteurs et les carburants moteurs les contenant |
| IT1229659B (it) * | 1989-04-21 | 1991-09-06 | Euron Spa | Additivo detergente, disperdente ed anti ruggine per combustibili ed oli lubrificanti. |
| JPH0751711B2 (ja) * | 1991-11-26 | 1995-06-05 | 三洋化成工業株式会社 | 燃料油用流動性向上剤および燃料油組成物 |
| FR2699550B1 (fr) * | 1992-12-17 | 1995-01-27 | Inst Francais Du Petrole | Composition de distillat moyen de pétrole contenant des additifs azotés utilisables comme agents limitant la vitesse de sédimentation des paraffines. |
| FR2710652B1 (fr) * | 1993-09-30 | 1995-12-01 | Elf Antar France | Composition d'additifs d'opérabilité à froid des distillats moyens. |
| DE4430294A1 (de) * | 1994-08-26 | 1996-02-29 | Basf Ag | Polymermischungen und ihre Verwendung als Zusatz für Erdölmitteldestillate |
| FR2735494B1 (fr) * | 1995-06-13 | 1997-10-10 | Elf Antar France | Additif bifonctionnel de tenue a froid et composition de carburant |
| CA2189918C (fr) * | 1995-11-13 | 2005-01-25 | Richard Mark Scott | Additifs de dispersion |
| US5755834A (en) * | 1996-03-06 | 1998-05-26 | Exxon Chemical Patents Inc. | Low temperature enhanced distillate fuels |
| GB9610363D0 (en) * | 1996-05-17 | 1996-07-24 | Ethyl Petroleum Additives Ltd | Fuel additives and compositions |
| DE19622052A1 (de) * | 1996-05-31 | 1997-12-04 | Basf Ag | Paraffindispergatoren für Erdölmitteldestillate |
-
1999
- 1999-04-26 FR FR9905235A patent/FR2792646B1/fr not_active Expired - Fee Related
-
2000
- 2000-04-12 US US09/958,718 patent/US6623536B1/en not_active Expired - Fee Related
- 2000-04-21 SK SK1513-2001A patent/SK285752B6/sk unknown
- 2000-04-21 AT AT00922705T patent/ATE232233T1/de active
- 2000-04-21 PL PL352553A patent/PL192234B1/pl not_active IP Right Cessation
- 2000-04-21 PT PT00922705T patent/PT1192239E/pt unknown
- 2000-04-21 JP JP2000614339A patent/JP2002543237A/ja active Pending
- 2000-04-21 SI SI200030075T patent/SI1192239T1/xx unknown
- 2000-04-21 DK DK00922705T patent/DK1192239T3/da active
- 2000-04-21 WO PCT/FR2000/001052 patent/WO2000065000A1/fr not_active Ceased
- 2000-04-21 DE DE60001368T patent/DE60001368T2/de not_active Expired - Lifetime
- 2000-04-21 CA CA002367927A patent/CA2367927C/fr not_active Expired - Fee Related
- 2000-04-21 KR KR1020017013764A patent/KR100657047B1/ko not_active Expired - Fee Related
- 2000-04-21 CZ CZ20013842A patent/CZ296126B6/cs not_active IP Right Cessation
- 2000-04-21 EP EP00922705A patent/EP1192239B1/fr not_active Expired - Lifetime
- 2000-04-21 ES ES00922705T patent/ES2192175T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0065000A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000065000A1 (fr) | 2000-11-02 |
| ATE232233T1 (de) | 2003-02-15 |
| CZ296126B6 (cs) | 2006-01-11 |
| PL352553A1 (en) | 2003-08-25 |
| PT1192239E (pt) | 2003-06-30 |
| FR2792646A1 (fr) | 2000-10-27 |
| SI1192239T1 (en) | 2003-06-30 |
| SK285752B6 (sk) | 2007-07-06 |
| CZ20013842A3 (cs) | 2002-05-15 |
| DE60001368D1 (de) | 2003-03-13 |
| EP1192239B1 (fr) | 2003-02-05 |
| DK1192239T3 (da) | 2003-05-26 |
| PL192234B1 (pl) | 2006-09-29 |
| ES2192175T3 (es) | 2003-10-01 |
| JP2002543237A (ja) | 2002-12-17 |
| KR100657047B1 (ko) | 2006-12-12 |
| CA2367927A1 (fr) | 2000-11-02 |
| KR20020050755A (ko) | 2002-06-27 |
| SK15132001A3 (sk) | 2002-05-09 |
| US6623536B1 (en) | 2003-09-23 |
| DE60001368T2 (de) | 2003-11-27 |
| CA2367927C (fr) | 2008-06-17 |
| FR2792646B1 (fr) | 2001-07-27 |
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