EP2234722A1 - Procede de preparation d'une composition catalytique pour la dimérisation, la co-dimérisation et l'oligomérisation des oléfines - Google Patents
Procede de preparation d'une composition catalytique pour la dimérisation, la co-dimérisation et l'oligomérisation des oléfinesInfo
- Publication number
- EP2234722A1 EP2234722A1 EP08872666A EP08872666A EP2234722A1 EP 2234722 A1 EP2234722 A1 EP 2234722A1 EP 08872666 A EP08872666 A EP 08872666A EP 08872666 A EP08872666 A EP 08872666A EP 2234722 A1 EP2234722 A1 EP 2234722A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compound
- solvent
- dimerization
- oxygen
- optionally
- 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.)
- Withdrawn
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/02—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons
- C07C2/04—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation
- C07C2/06—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation of alkenes, i.e. acyclic hydrocarbons having only one carbon-to-carbon double bond
- C07C2/08—Catalytic processes
- C07C2/26—Catalytic processes with hydrides or organic compounds
- C07C2/32—Catalytic processes with hydrides or organic compounds as complexes, e.g. acetyl-acetonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2531/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- C07C2531/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- C07C2531/22—Organic complexes
Definitions
- the present invention relates to a process for preparing a catalyst composition used for the dimerization, co-dimerization, oligomerization or polymerization of olefins.
- Linear ⁇ -olefins especially those containing from 4 to 20 carbon atoms, have various outlets depending on the length of their carbon chain.
- C 4 to C 8 olefins are mainly used as comonomers for the manufacture of low density polyethylenes (LLDPE), Ca to Ci 4 as intermediates in the lubricant industry and C 10 -C 18 for manufacture of detergents. These olefins are experiencing strong economic growth.
- Most of the industrial processes for producing ⁇ -olefins are ethylene oligomerization processes catalyzed by transition metal complexes (Ni, Ti, Zr) or AIEt. 3 (Alpha Olefins Applications Handbook, GR Lapin and JD Sauer Eds M.
- K represents the chain propagation probability and is experimentally determined by the molar ratio C ⁇ + 2 / C ⁇ .
- the K values found in industrial processes are of the order of 0.7-0.8, which corresponds to broad ⁇ -olefin distributions ranging from C 4 -C 2 o + . It is therefore difficult to value all the products formed, in particular "waxes"(olefins> C30).
- catalyst systems comprising 8-10 group transition metals such as iron, nickel, palladium and cobalt associated with diimine-like chelate ligands have been developed and applied for the polymerization of ethylene. or the co-polymerization of alpha olefins or functional olefins, such as methyl acrylate (see for example the review of V. Gibson in Angew Chem Int.Ed. 1999, 38, 429). These systems use most often a co-catalyst which is a derivative of aluminum such as an aluminoxane.
- the amounts of aluminoxane used are generally high (more than 100 equivalents per mole of nickel) and the distribution of the olefins formed is wide: from C4 to C20, with a Schulz-Flory constant generally greater than 0 , 6.
- the distribution of the oligomers formed depends essentially on the nature of the bis (imino) pyridine ligand, in particular substituents on the aromatic rings of the imines. These distributions generally follow a Schulz-Flory law whose characteristic factor K varies from 0.70 to 0.85 (M. Brookhart, S. Brooke, J. Am., Chem Soc., 1998, 120, 7143-7144. ).
- the present invention describes a process for the preparation of a catalyst composition used for the oligomerization, co-dimerization or polymerization of olefins in which at least one compound obtained during the contacting of at least one iron compound with at least one nitrogen ligand resulting from the reaction of the compound X with a compound Y, are subjected to an oxidation step, before being mixed with an activating agent and optionally with a solvent.
- the present invention also describes the catalytic composition obtained by said preparation process and its use for the oligomerization, co-dimerization or polymerization of olefins.
- Figures 1 to 4 show the consumption by weight of ethylene measured as a function of time. This consumption is representative of the activity of the catalytic system in different catalytic tests described respectively according to Examples 9 ( Figures 1 to 3) and 10 ( Figure 4).
- the present invention describes a process for preparing a catalytic composition comprising the following steps:
- Ri to Ru identical or different, representing alkyl groups, saturated or unsaturated, cycloalkyl or aromatic, aryl or aralkyl, optionally substituted.
- Ri to Ru which may be identical or different, may also represent organic radicals in which one or more hydrogen atoms are replaced by halides, for example a fluoride, or groups comprising at least one heteroelement such as oxygen, nitrogen, a sulfur, a phophore or a silicon. These heteroelements may be contained in saturated or unsaturated or aromatic alkyl rings.
- R 1 to R 1 which may be identical or different, may also represent alkoxy, aryloxy or amino groups.
- Ri to Rn may also be hydrogen or a halide.
- R 1 is a methyl group and R n is hydrogen.
- the composition thus obtained has a good catalytic activity, particularly extended activities particularly at temperatures up to 80-100 ° C. It also makes it possible to minimize the quantity of by-products obtained, in particular to reduce the amount of polymers and waxes relative to the catalytic compositions known from the prior art.
- the present invention also describes a process for oligomerization, co-dimerization or polymerization using said catalytic compositions.
- the iron compound may be selected from metal halides such as iodides, bromides or chlorides, nitrates, sulphates, amidinates, carboxylates such as acetates, triflates; oxalates, di-ketonates. It is also possible to use organometallic compounds or hydrides.
- Compound A can be monomeric, dimeric or oligomeric in nature of a higher order.
- the adducts of the metal compounds with a Lewis base are also usable according to the present invention.
- the Lewis bases that can be used according to the present invention, mention may be made of ethers, amines, thioethers and phosphines.
- the iron compound is at valence 0, 1 or II.
- FeCl 2 Among the examples of compound of type A that can be used according to the present invention, mention may be made of FeCl 2 ; FeCl 2 , 4H 2 O; FeCl 2 , 1, 5THF; FeCl 2 2,2-pyridine; FeBr 2 ; Fe (NSiMe 3 ) 2 ; Fe (CH 3 COO) 2 ; Fe (C 6 H 5 N) 2 (CH 2 SiMeS) 2 ; Fe (NO 3 ) 2 ; Fe (CF 3 SO 3 ) 2 Fe (NSiMe 3 J 2 , Fe (2-ethylhexanoate) 2 .
- Compound B results from the condensation of compounds X and Y and comprises at least one pyridine group.
- Compound X is a pyridine or a substituted pyridine having at least one aldehyde function or a ketone function.
- the general formula of compound X is given below:
- Compound X is, for example, 2-acetylpyridine or 4-methyl-2-acetylpyridine.
- Compound Y belongs to the family of aminoquinolines and their derivatives. The corresponding general formula is written below:
- Compound Y is, for example, 8-aminoquinoline or 2-methyl-8-aminoquinoline.
- the reaction between the two compounds X and Y is preferably carried out in a solvent at a temperature preferably between 20 and 250 c C.
- the compounds X and Y may be introduced in any order.
- the solvents used are chosen from conventional polar or apolar, protic or aprotic organic solvents, such as aromatic or aliphatic hydrocarbons such as toluene, xylene, cyclohexane, chlorinated solvents such as dichloromethane, nitro solvents such as acetonitrile, alcohols such as methanol or ethanol. These solvents can be used alone or as a mixture. These solvents are preferably dried, by distillation or by adsorbing, before being used.
- the reaction of X with Y is preferably carried out in the presence of a catalyst.
- the catalysts are preferably selected from Bronsted acids or Lewis acids.
- the Bronsted acids are of type H + X ' in which X represents an anion.
- the X "anions are preferably chosen from tetrafluoroborate, tetraalkylborate, hexafluorophosphate, hexafluoroantimonate, alkylsulfonate anions (for example methylsulphonate), p-toluenesulphonates, perfluorosulphonates (for example trifluoromethylsulphonate), fluorosulphonates, sulphates, phosphates and perfluoroacetates.
- perfluorosulfonamides e.g. amide bis-trifluoromethanesulfonyl formula N (CFaSC ⁇ ") fluorosulfonamides, perfluorosulfométhides (e.g. tris--trifluoromethanesulfonyl formula C (CF 3 SO 2) 3 ⁇ ), carboranes, tetraphenylborates and tetraphenylborate anions whose aromatic rings are substituted.
- perfluorosulfonamides e.g. amide bis-trifluoromethanesulfonyl formula N (CFaSC ⁇ )
- fluorosulfonamides e.g. tris--trifluoromethanesulfonyl formula C (CF 3 SO 2) 3 ⁇
- carboranes e.g., tetraphenylborates and tetraphenylborate anions whose aromatic rings are substituted.
- Lewis acids are by definition compounds capable of accepting a doublet of electrons.
- lanthanide triflates in particular ytterbium triflate (Yb (OTf) 3 ) and scandium triflate.
- reaction between X and Y may optionally be carried out in the presence of iodine.
- the reaction between compounds X and Y releases water.
- Water can be advantageously trapped during the reaction by adding a desiccant such as molecular sieve. It can also be removed by azeotropic distillation with the solvent of the reaction.
- the ratio of X to Y is from 10 to 0.1, preferably from 5 to 0.2.
- the main product obtained during the reaction of X with Y can be isolated and purified according to conventional methods used in organic chemistry such as precipitation, crystallization or separation by liquid chromatography on a column of alumina or silica.
- compound B contains a unit derived from phenanthroline.
- R 2 to R 10 which may be identical or different, are chosen from hydrogen, optionally substituted alkyl, saturated or unsaturated, cycloalkyl or aromatic, aryl or aralkyl groups, alkoxy, aryloxy or amino groups, a halide .
- the groups R 2 to R 10 which may be identical or different, may also represent organic radicals in which one or more hydrogen atoms are replaced by halides, for example a fluoride, or groups comprising at least one heteroatom such as an oxygen , nitrogen, sulfur, phosphorus or silicon. These heteroelements may be contained in saturated or unsaturated or aromatic alkyl rings
- the molar ratio between compound B and compound A is between 1 and 10, and preferably between 1 and 2.
- step a) mixing A and B
- the mixture of A and B can be carried out in any order preferably in a solvent.
- hydrocarbons such as pentane, hexane, cyclohexane or heptane
- aromatic hydrocarbons such as benzene, toluene or xylenes
- chlorinated solvents such as dichloromethane
- protic solvents such as alcohols
- THF tetrahydrofuran
- DMSO dimethylsulfoxide
- the organic solvent will preferably be selected to dissolve the mixture of A and B.
- step b) isolating at least one of the products resulting from step a)
- the insulation of at least one of the products from step a) can be done by evaporation of the solvent from the reaction of A with B, followed by washing the compounds obtained, or by precipitation or by crystallization.
- the oxidation is preferably carried out by adding, with stirring, the oxidizing agent in the mixture of A and B or in at least one of the products from step b), preferably in solution in a solvent.
- the oxidizing agent used in the present invention is preferably molecular oxygen, oxygen-enriched air or air, or other gas such as an inert gas containing molecular oxygen. Oxygen can also be used dissolved in a liquid. In this case, the oxidation is carried out by bubbling the oxidizing agent in the mixture of A and B or at least one of the products from step b), preferably in solution in a solvent.
- oxidizing agent an organic compound comprising one or more oxygen atoms in its structure.
- the temperature during the oxidation is preferably between 10 0 C and 100 0 C.
- organic solvents which can be used in the oxidation step according to the present invention, mention may be made of hydrocarbons such as pentane, hexane, cyclohexane or heptane, aromatic hydrocarbons such as benzene, toluene or xylenes, chlorinated solvents such as dichloromethane, protic solvents such as alcohols, or acetone, acetonitrile, diethyl ether, tetrahydrofuran (THF), dimethylsulfoxide (DMSO) and dimethylformamide (DMF) ). These solvents can be used alone or as a mixture.
- step d) isolating at least one product resulting from step c
- the insulation of at least one product resulting from stage c) can be done by evaporation of the solvent from the oxidation stage, followed by washing of the compound (s) obtained, or by precipitation or by crystallization.
- the activating agent (compound C) can be defined as any species capable of forming a metal-carbon or metal-hydrogen bond.
- the activating agent may be a Lewis acid, a Bronsted acid or an alkylating agent or any compound capable of hydrogenolysis of a metal-carbon bond.
- the activating agent is chosen from aluminum derivatives such as, for example, aluminoxanes, organoaluminums, aluminum halides, aluminates, boron derivatives, for example boranes or borates, zinc derivatives such as organo-zinc.
- aluminum derivatives such as, for example, aluminoxanes, organoaluminums, aluminum halides, aluminates, boron derivatives, for example boranes or borates, zinc derivatives such as organo-zinc.
- the organo-aluminum can be used as activators in the catalyst composition according to the invention are of general formula AlR n X 1 ⁇ -11) with n between 1 and 3, the groups R, which are identical or different , being chosen from alkyl, aryl or aralkyl groups having from 1 to 12 carbon atoms and the X 1 , which may be identical or different, being chosen from halides, alkoxy, aryloxy, amide or carboxylates.
- the organoaluminum will preferably be selected from the group of trialkylaluminums or in the group of dialkylaluminum chlorides or in the group of alkylaluminum dichlorides.
- aluminoxanes which can be used as activators in the catalytic composition are chosen from alkylaluminoxanes such as methylaluminoxane (MAO) or ethylaluminoxane (EAO) or from modified alkylaluminoxanes such as modified methylaluminoxane (MMAO).
- alkylaluminoxanes such as methylaluminoxane (MAO) or ethylaluminoxane (EAO)
- EAO ethylaluminoxane
- MMAO modified alkylaluminoxanes
- the molar ratio between the compound C (activator) and the compound A (metal) is between 1 and 10,000, preferably between 1 and 1000 and even more preferably between 1 and 200.
- the molar ratio between the compound C (activator) and at least one product resulting from the bringing into contact between the compound A and the compound B is between 1 and 10,000, preferably between 1 and 10,000. 1000 and even more preferably between 1 and 200.
- step f) addition of the solvent (D)
- the organic solvent used in the catalyst composition will preferably be an aprotic solvent.
- the solvents which can be used, alone or as a mixture, in the process according to the present invention mention may be made of hydrocarbons such as pentane, hexane, cyclohexane or heptane, aromatic hydrocarbons such as benzene, toluene or xylenes, chlorinated solvents such as dichloromethane or chlorobenzene, or acetonitrile, diethyl ether, tetrahydrofuran (THF).
- the organic solvent will preferably be a saturated or unsaturated aliphatic solvent or aromatic hydrocarbon.
- the catalytic composition prepared according to the process of the present invention is used for the dimerization, co-dimerization, oligomerization or polymerization of olefins.
- the olefins which can be converted by the catalytic compositions according to the invention are more particularly ethylene, propylene, n-butenes and n-pentenes, alone or as a mixture (co-dimerization), pure or diluted by a alkane, as found in "cuts" from petroleum refining processes, such as catalytic cracking or steam cracking.
- the catalytic conversion reaction of the olefins can be carried out in a closed system, in a semi-open system or continuously, with one or more reaction stages. Vigorous agitation should ensure good contact between the reagent (s) and the catalytic composition.
- the reaction temperature may be from -40 to + 250 ° C., preferably from 0 ° C. to + 150 ° C.
- the heat generated by the reaction can be removed by any means known to those skilled in the art.
- the pressure can vary from atmospheric pressure to 20 MPa, preferably from atmospheric pressure to 10 MPa.
- the characterizations are made by 1 H and 13 C NMR analysis methods by IR spectroscopy and GC / MS mass spectroscopy.
- NMR 13 C ⁇ c (75 MHz, CD 2 CI 2 ) 31.1, 59.1, 113.8, 115.5, 120.3, 121.8, 121.9, 122.7, 123.9, 125.1, 128.9, 130.0, 136.1, 136.5, 136.8, 136.9, 137.7, 140.6, 148.0, 149.61, 149.64, 158.2, 166.6 ppm;
- IR 3371, 3048, 2968, 1632, 1583, 1563, 1508, 1464, 1428, 1378, 1294, 1225, 1100, 1044, 991, 823, 804, 783, 750 cm -1 .
- GC / MS 350, 335, 272, 256, 167.
- Example 2 The synthesis is carried out as in Example 1 except that 4.00 g of 4-methyl-2-acetylpyridine (29.6 mmol) and 4.27 g of 8-aminoquinoline (29.6 mmol) are used. ). This mixture is dissolved in 60 ml of MeOH distilled with 0.8 ml of formic acid and then refluxed for 96 hours. 1.8 g of a bright yellow solid are obtained, which corresponds to a yield of 32%.
- NMR 13 C ⁇ c (75 MHz, CD 2 CI 2 ) 21.2, 21.4, 31.2, 59.1, 113.7, 115.4, 121.2, 121.8, 122.9, 123.7, 124.7, 125.3, 128.9, 129.6, 136.1, 136.4, 137.8, 140.6, 147.9, 148.1, 148.2, 149.31, 149.32, 158.2, 166.4 ppm;
- IR 3359, 2974, 2921, 2822, 1640, 1599, 1555, 1509, 1467, 1448, 1423, 1378, 1350, 1116, 1090, 1031, 991, 847, 827, 803, 779, 711, 696 cm -1 ; 1 .
- the M enssbauer spectroscopy analysis was carried out and the spectrum of the complex obtained shows a major divalent iron high spin compound.
- Example 2 The complexation of the B2 ligand described in Example 2 is carried out in the same manner as in Example 3.
- IR 3059, 2970, 2866, 1614, 1600, 1557, 1505, 1444, 1368, 1125, 1055, 900, 842, 835, 815, 798, 786, 461 CNRI 1.
- Example 3 The complexation of the ligand B1 described in Example 1 is carried out as in Example 3 but with anhydrous FeBr 2 . 506 mg of a pink-violet powder are obtained (yield: 89%).
- IR 3144, 3063, 2972, 2868, 1602, 1584, 1557, 1500, 1474, 1460, 1430, 1372, 1117,
- Example 6 Oxidation of the Complex Obtained in Example 3
- the iron complex described in Example 3 (0.200 g) is dissolved in 100 ml of previously degassed acetonitrile CH 3 CN. A stream of O 2 is passed into the reaction medium for 15 min. The color of the complex changes from pink to dark purple. The mixture is stirred overnight at room temperature under an atmosphere of O 2 . The reaction medium is then concentrated in vacuo and 20 ml of Et 2 O are added. The product precipitates. The solid is filtered using a cannula and then washed with Et 2 O (3x 10 mL). A black powder (0.210 g) is obtained.
- IR 3061, 2967, 1603, 1585, 1566, 1494, 1454, 1396, 1374, 1107, 1051, 1020, 864, 818, 778, 748, 653 cm -1 .
- the M ⁇ ssbauer spectrum of the sample containing the complex obtained mainly shows the existence of a high spin Fe (III) compound.
- Example 6 The oxidation of the product obtained in Example 4 is carried out as in Example 6.
- the oxidized complex is in the form of a black powder.
- IR 3355, 3049, 2970, 2921, 1663, 1615, 1602, 1558, 1497, 1455, 1392, 1100, 1020, 819, 798, 696 cm -1 .
- Example 6 The oxidation of the product obtained in Example 5 is carried out as in Example 6.
- the oxidized complex is in the form of a black powder.
- the catalytic test is carried out in a Grignard type reactor with a capacity of 250 ml equipped with a double jacket and a magnetic bar. Before the reaction, the reactor is placed under vacuum (approximately 6 ⁇ 10 2 mbar) and heated at 90 ° C. for 4 hours. After cooling to room temperature, the reactor is pressurized to 3.5 MPa ethylene (0.5 MPa above the expected test pressure) to test its seal overnight. The reactor is then heated to 80 ° C.
- the catalyst activity corresponds to the ethylene consumption measured by the weight loss of the ballast connected to the reactor and containing the ethylene
- the ethylene consumption is measured as a function of time (see attached curves in the figures) It gives an indication of the stability of the catalyst over time
- the reactor is depressurized.
- the gaseous volume is measured by a gas meter and analyzed.
- the liquid phase is withdrawn, weighed, and the catalyst is neutralized by addition of ethanol. After vacuum distillation "trap trap" the liquid phase is analyzed by gas chromatography. A complete assessment is made (input material, output material).
- the catalytic test is carried out under the same conditions as in Example 9, except that the complex used is the bis-imino-pyridine complex described below.
- the complex is used without oxidation step.
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Abstract
Description
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0800062A FR2926029B1 (fr) | 2008-01-04 | 2008-01-04 | Procede de preparation d'une composition catalytique pour la dimerisation,la co-dimerisation et l'oligomerisation des olefines. |
PCT/FR2008/001718 WO2009103877A1 (fr) | 2008-01-04 | 2008-12-10 | Procede de preparation d'une composition catalytique pour la dimérisation, la co-dimérisation et l'oligomérisation des oléfines |
Publications (1)
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EP2234722A1 true EP2234722A1 (fr) | 2010-10-06 |
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Family Applications (1)
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EP08872666A Withdrawn EP2234722A1 (fr) | 2008-01-04 | 2008-12-10 | Procede de preparation d'une composition catalytique pour la dimérisation, la co-dimérisation et l'oligomérisation des oléfines |
Country Status (4)
Country | Link |
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US (1) | US8575056B2 (fr) |
EP (1) | EP2234722A1 (fr) |
FR (1) | FR2926029B1 (fr) |
WO (1) | WO2009103877A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2926029B1 (fr) * | 2008-01-04 | 2009-12-18 | Inst Francais Du Petrole | Procede de preparation d'une composition catalytique pour la dimerisation,la co-dimerisation et l'oligomerisation des olefines. |
FR2937262B1 (fr) * | 2008-10-17 | 2010-11-05 | Inst Francais Du Petrole | Procede de preparation d'une composition catalytique pour la dimerisation, la co-dimerisation et l'oligomerisation des olefines. |
FR2986717B1 (fr) * | 2012-02-10 | 2014-08-08 | IFP Energies Nouvelles | Composition catalytique et procede d'oligomerisation des olefines utilisant ladite composition catalytique |
CN111303325B (zh) * | 2020-03-27 | 2022-07-05 | 中国科学院青岛生物能源与过程研究所 | 一种高效可控制备聚异戊二烯的方法 |
Family Cites Families (4)
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US6730788B1 (en) * | 1999-10-18 | 2004-05-04 | University Of Notre Dame | Process for 1,10-phenanthroline ligands |
FR2926029B1 (fr) * | 2008-01-04 | 2009-12-18 | Inst Francais Du Petrole | Procede de preparation d'une composition catalytique pour la dimerisation,la co-dimerisation et l'oligomerisation des olefines. |
FR2926078B1 (fr) * | 2008-01-04 | 2009-12-18 | Inst Francais Du Petrole | Nouveaux composes organiques azotes utilisables comme precurseurs de composition catalytique. |
FR2937262B1 (fr) * | 2008-10-17 | 2010-11-05 | Inst Francais Du Petrole | Procede de preparation d'une composition catalytique pour la dimerisation, la co-dimerisation et l'oligomerisation des olefines. |
-
2008
- 2008-01-04 FR FR0800062A patent/FR2926029B1/fr not_active Expired - Fee Related
- 2008-12-10 US US12/811,635 patent/US8575056B2/en not_active Expired - Fee Related
- 2008-12-10 WO PCT/FR2008/001718 patent/WO2009103877A1/fr active Application Filing
- 2008-12-10 EP EP08872666A patent/EP2234722A1/fr not_active Withdrawn
Non-Patent Citations (1)
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See references of WO2009103877A1 * |
Also Published As
Publication number | Publication date |
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US20110009581A1 (en) | 2011-01-13 |
WO2009103877A1 (fr) | 2009-08-27 |
FR2926029A1 (fr) | 2009-07-10 |
US8575056B2 (en) | 2013-11-05 |
FR2926029B1 (fr) | 2009-12-18 |
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