WO2016133341A1 - 선형 무기 배위 고분자, 금속 착화합물, 이를 포함하는 금속 나노 구조체 및 촉매 조성물 - Google Patents
선형 무기 배위 고분자, 금속 착화합물, 이를 포함하는 금속 나노 구조체 및 촉매 조성물 Download PDFInfo
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- WO2016133341A1 WO2016133341A1 PCT/KR2016/001558 KR2016001558W WO2016133341A1 WO 2016133341 A1 WO2016133341 A1 WO 2016133341A1 KR 2016001558 W KR2016001558 W KR 2016001558W WO 2016133341 A1 WO2016133341 A1 WO 2016133341A1
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- Prior art keywords
- metal
- formula
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- oxygen
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- 239000002184 metal Substances 0.000 title claims abstract description 78
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- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 21
- 150000003624 transition metals Chemical class 0.000 claims abstract description 14
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- 150000004696 coordination complex Chemical class 0.000 claims description 33
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- BYBKCZVJLLPDKP-UHFFFAOYSA-N 3-oxatricyclo[3.2.1.02,4]oct-2(4)-ene Chemical compound C1CC2C(O3)=C3C1C2 BYBKCZVJLLPDKP-UHFFFAOYSA-N 0.000 description 1
- GJEZBVHHZQAEDB-UHFFFAOYSA-N 6-oxabicyclo[3.1.0]hexane Chemical compound C1CCC2OC21 GJEZBVHHZQAEDB-UHFFFAOYSA-N 0.000 description 1
- MELPJGOMEMRMPL-UHFFFAOYSA-N 9-oxabicyclo[6.1.0]nonane Chemical compound C1CCCCCC2OC21 MELPJGOMEMRMPL-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Natural products OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
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- CCEFMUBVSUDRLG-XNWIYYODSA-N Limonene-1,2-epoxide Chemical compound C1[C@H](C(=C)C)CCC2(C)OC21 CCEFMUBVSUDRLG-XNWIYYODSA-N 0.000 description 1
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- PJANXHGTPQOBST-VAWYXSNFSA-N Stilbene Natural products C=1C=CC=CC=1/C=C/C1=CC=CC=C1 PJANXHGTPQOBST-VAWYXSNFSA-N 0.000 description 1
- NQFUSWIGRKFAHK-BDNRQGISSA-N alpha-Pinene epoxide Natural products C([C@@H]1O[C@@]11C)[C@@H]2C(C)(C)[C@H]1C2 NQFUSWIGRKFAHK-BDNRQGISSA-N 0.000 description 1
- 229930006723 alpha-pinene oxide Natural products 0.000 description 1
- 125000003425 alpha-pinene oxide group Chemical group 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 229920006167 biodegradable resin Polymers 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 125000002993 cycloalkylene group Chemical group 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- DFBKLUNHFCTMDC-PICURKEMSA-N dieldrin Chemical compound C([C@H]1[C@H]2[C@@]3(Cl)C(Cl)=C([C@]([C@H]22)(Cl)C3(Cl)Cl)Cl)[C@H]2[C@@H]2[C@H]1O2 DFBKLUNHFCTMDC-PICURKEMSA-N 0.000 description 1
- 229950006824 dieldrin Drugs 0.000 description 1
- NGPMUTDCEIKKFM-UHFFFAOYSA-N dieldrin Natural products CC1=C(Cl)C2(Cl)C3C4CC(C5OC45)C3C1(Cl)C2(Cl)Cl NGPMUTDCEIKKFM-UHFFFAOYSA-N 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 125000000532 dioxanyl group Chemical group 0.000 description 1
- 229940069096 dodecene Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- GKIPXFAANLTWBM-UHFFFAOYSA-N epibromohydrin Chemical compound BrCC1CO1 GKIPXFAANLTWBM-UHFFFAOYSA-N 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 150000002367 halogens Chemical group 0.000 description 1
- 239000002638 heterogeneous catalyst Substances 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 1
- 150000004694 iodide salts Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000002780 morpholines Chemical class 0.000 description 1
- WSGCRAOTEDLMFQ-UHFFFAOYSA-N nonan-5-one Chemical compound CCCCC(=O)CCCC WSGCRAOTEDLMFQ-UHFFFAOYSA-N 0.000 description 1
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadecene Natural products CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 1
- 150000002991 phenoxazines Chemical class 0.000 description 1
- 150000004986 phenylenediamines Chemical class 0.000 description 1
- 150000004885 piperazines Chemical class 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 150000003216 pyrazines Chemical class 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- LISFMEBWQUVKPJ-UHFFFAOYSA-N quinolin-2-ol Chemical class C1=CC=C2NC(=O)C=CC2=C1 LISFMEBWQUVKPJ-UHFFFAOYSA-N 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical group OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 1
- 229940095068 tetradecene Drugs 0.000 description 1
- LVBXEMGDVWVTGY-UHFFFAOYSA-N trans-2-octenal Natural products CCCCCC=CC=O LVBXEMGDVWVTGY-UHFFFAOYSA-N 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/32—General preparatory processes using carbon dioxide
Definitions
- Linear inorganic coordination polymers, metal complexes, metal nanostructures and catalyst compositions comprising the same
- the present invention is prepared in the form of metal nanostructures having various three-dimensional structures : novel linear inorganic coordination polymers, metal complexes, metals containing the same, which can be used as catalysts having excellent activity in the production of polyalkylene carbonate resins and the like.
- the present invention relates to nanostructures, catalyst compositions, and the like.
- Such zinc dicarboxylate-based catalysts typically zinc glutarate catalysts, are formed by reacting dicarboxylic acids such as zinc precursors and glutaric acid, and have a form of fine crystalline particles.
- these zinc dicarboxylate-based catalysts have limitations in controlling or changing steric structures such as particle form, and therefore, it is true that the zinc dicarboxylate-based catalysts have limitations in controlling, altering or improving activity as a catalyst.
- the present invention is prepared in the form of metal nanostructures having a variety of three-dimensional structure : a novel linear inorganic coordination polymer and metal complex which can be used as a catalyst and the like having excellent activity in the production of polyalkylene carbonate resin and the like, To provide a metal nanostructure, and a method of manufacturing the same.
- the present invention also provides a catalyst composition comprising the metal nanostructure and a method for producing a polyalkylene carbonate resin using the same.
- the present invention provides a linear inorganic coordination polymer comprising a repeating unit of the formula (1):
- M is at least one transition metal element selected from the group consisting of Fe, Ni, Zn and Co
- Ra and Rb are each independently oxygen (-0-) or — NH-
- Rc is oxygen or Sulfur
- Ra, Rb and Rc are not all oxygen
- n is an integer from 1 million to 1 million
- solid line represents a covalent bond
- dotted line represents a coordination bond
- * represents a linking site.
- the present invention also includes a plurality of linear inorganic coordinating polymer chains including repeating units of Formula 1,
- a metal complex in which the plurality of polymer chains are connected to each other through a neutral ligand coordinated to the central metal M of Formula 1.
- the neutral ligand is a compound comprising a plurality of oxygen, sulfur, phosphorus or nitrogen-containing functional groups that can coordinate the M; Or a ring-containing compound comprising a plurality of one or more hetero elements selected from the group consisting of oxygen, sulfur, phosphorus and nitrogen.
- the oxygen, sulfur, phosphorus or nitrogen-containing functional group is an oxo group (-0-), hydroxy group, amine group, carboxy group (-COOH), thiol group, phosphine group (-PR 2 etc .; R is an alkyl group or an aryl group) , Nitrogen containing hetero ring, sulfur containing hetero ring, phosphorus containing hetero ring and oxygen containing hetero ring.
- neutral ligand examples include water (H 2 0), alkylene diols having 2 to 5 carbon atoms, alkylene diamines having 2 to 5 carbon atoms, hydroxy alkyl amines having 2 to 5 carbon atoms, dioxane compounds, and moles.
- alkylene dithiol having 2 to 5 carbon atoms
- mercapto alkanol having 2 to 5 carbon atoms a thiophenol compound
- an aminothiophenol compound a diphosphino compound having 2 to 5 carbon atoms and an aminobenzoic acid compound
- One or more types selected from may be mentioned.
- the metal complex described above may have a structure including a repeating unit represented by Formula 2 below:
- M, n, Ra, Rb, Rc, solid line, dotted line and * are as defined in Formula 1, A is a neutral ligand coordinated to the central metal M.
- the present invention also provides a metal nanostructure comprising the linear inorganic coordination polymer or the metal complex.
- Such metal complexes may have various three-dimensional structures or nanoparticle forms of 0 to 3 dimensions.
- the present invention also provides a process for preparing the metal nanostructures comprising the step of reacting a salt of the transition metal M, a compound of formula 3 and the neutral ligand under heating, in a solvent:
- Ra 'and Rb' are each independently —OH, —OM 'or —N3 ⁇ 4, R is oxygen or sulfur, and when Rc' is oxygen, both Ra 'and Rb' are -OH or -OM 'M' is not an alkali metal.
- the compound of Formula 3 may include oxamide, oxamate or thiooxalic acid.
- the salt of the transition metal ⁇ may be used a metal salt selected from the group consisting of a sulfonate salt, such as a chlorovalent salt such as acetate salt, chloride salt, bromide salt or iodide salt, sulfate salt, nitrate salt and triflate salt.
- a sulfonate salt such as a chlorovalent salt such as acetate salt, chloride salt, bromide salt or iodide salt, sulfate salt, nitrate salt and triflate salt.
- a solvent it uses as a polymerization solvent for manufacture of polyalkylene carbonate resin.
- Any organic solvent or dihydroxy solvent known to be possible can be used, specific examples of which include methylene chloride, ethylene dichloride, trichloroethane, tetrachloroethane, chloroform, acetonitrile, propionitrile : dimethylformamide , N-methyl-2-pyridone , dimethyl sulfoxide, nitromethane, 1,4-dioxane, nucleic acid , toluene, tetrahydrofuran, methyl ethyl ketone , methylamine ketone, methyl isobutyl ketone , acetone, cyclonucleus Paddy, trichloro ethylene, methyl acetate vinyl acetate, ethyl acetate, propyl acetate, butyrolactone, caprolactone, nitropropane, benzene, styrene, xylene and methyl propasol, ethylene glycol,
- the reaction of the salt of the transition metal M, the compound of Formula 3, and the neutral ligand may be performed at room temperature (about 20 ° C) to 250 ° C.
- the present invention also provides a catalyst composition comprising the metal nanostructure described above.
- a catalyst composition can be preferably used as a polymerization catalyst for the production of polyalkylene carbonate resin.
- the present invention provides a method for producing a polyalkylene carbonate resin comprising the step of polymerizing a monomer comprising an epoxide and carbon dioxide in the presence of the catalyst composition.
- the polymerization step may be carried out by solution polymerization in an organic solvent.
- a linear inorganic coordination polymer, a metal complex, a metal nanostructure and a catalyst composition including the same according to embodiments of the present invention will be described in detail.
- a linear inorganic coordination polymer comprising a repeating unit of formula (I):
- M is at least one transition metal element selected from the group consisting of Fe, Ni, Zn and Co
- Ra and Rb are each independently oxygen (-0-) or one NH-
- Rc is oxygen or Sulfur
- Ra, Rb and Rc are not all oxygen
- n is an integer from 1 million to 1 million
- solid line represents a covalent bond
- dotted line represents a coordination bond
- * represents a connection site.
- the n may be more preferably an integer of 10 to 1 million, so that the linear inorganic coordination polymer chain and the metal complex containing the same can ensure an appropriate scale as a catalyst for producing a polyalkylene carbonate resin. have.
- a metal complex in which the plurality of polymer chains are connected to each other via a neutral ligand coordinated to the central metal M of Formula 1.
- the linear inorganic coordinating polymer of the embodiment includes a repeating unit of Formula 1 in which a predetermined oxalic acid derivative, for example, oxamide, oxamate or thiooxalic acid, is linearly connected.
- the metal complex of another embodiment may include linear inorganic coordination polymer chains including the repeating unit of Formula 1 in the structure. These linear inorganic coordination polymer chains may each have a linking structure such as the following Formula 1A.
- Ra, Rb of the formula (1A) when the oxalic acid derivative is an oxamide, Ra, Rb of the formula (1A) is -NH-, Rc may be oxygen, when the oxalic acid derivative is an oxamate, Ra may be -NH-, and Rb and Rc may both be oxygen, and when the oxalic acid derivative is thiooxalic acid, Ra and Rb of Formula 1A may be oxygen and Rc may be sulfur:
- Ra, Rb, Rc, M, n, solid line, dotted line and * are as defined in Formula 1.
- the linear inorganic coordination polymer chains may have, for example, a structure in which a hetero element-containing functional group is mutually coordinated through a neutral ligand coordinated to the central metal M, and
- the metal complex having a linking structure may have a structure of Formula 2:
- M, n, Ra, Rb, Rc, solid line, dotted line and * are as defined in Formula 1, A is a neutral ligand coordinated to the central metal M.
- the neutral ligand may connect the chains of the linear inorganic coordination polymer of the embodiment in three dimensions in the axial direction thereof. Therefore, in the preparation of the linear inorganic coordination polymer or metal complex, the neutral ligand and, By adjusting the three-dimensional linking structure of the polymer chains (these adjustments are controlled in the reaction conditions such as the reaction temperature of the transition metal salt, the oxalic acid derivative and the neutral ligand, solvent, or reaction conditions of the neutral ligand, It is possible to control the use, type or composition, etc.)),
- the linear inorganic coordination polymer or metal complex can be prepared in the form of metal nanostructures having various steric structures or particle shapes.
- the linear inorganic coordination polymer, the metal complex, and the metal nanostructure including the same are based on the basic catalytic activity of the central metal, various steric structures, and the like. It can exhibit excellent catalytic activity in the polymerization reaction for preparation.
- a novel metal nanostructure can be provided which can be preferably used as a polymerization catalyst for the same.
- the neutral ligand is a compound comprising a plurality of oxygen, sulfur, phosphorus or nitrogen-containing functional groups that can be coordinated to the transition metal M; Or a ring-containing compound comprising a plurality of one or more hetero elements selected from the group consisting of oxygen, sulfur, phosphorus and nitrogen.
- the oxygen, sulfur, phosphorus or nitrogen-containing functional group is an oxo group (-0-), hydroxy group, amine group, carboxy group (-COOH), thiol group, phosphine group (-PR 2, etc .; R is an alkyl group or an aryl group) , A nitrogen-containing hetero ring, a sulfur-containing hetero ring, a phosphorus-containing hetero ring and an oxygen-containing hetero ring.
- the ring containing a plurality of hetero elements may be a dioxane ring, a morpholine ring, a piperazine ring or a pyrazine ring.
- the linear Inorganic coordination polymer chains can be suitably connected as a three-dimensional linking structure, and thus the metal complex compound, Including this, it is possible to provide a metal nanostructure having various three-dimensional structures or particle shapes.
- the dicarboxylic acid compound having a plurality of carboxyl groups may not be suitable for connecting the linear inorganic coordination polymer chains with an appropriate three-dimensional linking structure.
- neutral ligand examples include water (3 ⁇ 40), alkylene di-carbons having 2 to 5 carbon atoms, alkylene diamines having 2 to 5 carbon atoms, hydroxy alkyl amines having 2 to 5 carbon atoms, dioxane compounds, and morpholine (morpholine) compound, piperazine compound, pyrazine compound, 4,4 1 ⁇ '-dipyridyl compound, phenoxazine compound, aminophenol compound, hydroxyquinoline compound, phenylenediamine compound, hydroxy A benzoic acid compound, an alkylene dithiol having 2 to 5 carbon atoms, a mercapto alkanol having 2 to 5 carbon atoms, a thiophenol compound, an aminothiophenol compound, a diphosphino compound having 2 to 5 carbon atoms, and an aminobenzoic acid compound
- alkylene di-carbons having 2 to 5 carbon atoms
- alkylene diamines having 2 to 5 carbon atoms hydroxy alky
- HN HN:
- the metal complex compound of another embodiment may have a form in which the neutral ligand connects linear inorganic coordination polymer chains in the form of Chemical Formula 2A.
- oxygen or nitrogen of each neutral ligand may be coordinated with the transition metal M in such a manner that the neutral ligand may have a form of connecting linear inorganic coordinating polymer chains:
- Ra, Rb, Rc, M, n, solid line, dotted line and * are represented by Formula 1 As defined.
- a metal nanostructure comprising a linear inorganic coordination polymer of the one embodiment or a metal complex of the other embodiment.
- 1 and 2D show electron micrographs showing examples of metal nanostructures (including metal complexes) having several three-dimensional structures (such as linear three-dimensional structures and three-dimensional three-dimensional structures).
- Such metal nanostructures may be formed in a three-dimensional manner (eg, in the form of particles), one-dimensional (eg, linear or rod) by the application of the neutral ligand and the three-dimensional linkage structure of the linear coordination polymer chains or their control. Morphology), two-dimensional (eg, planar forms such as polygons) or three-dimensional (eg, three-dimensional forms such as polyhedrons, spheres, or similar spheres) or nanoparticle forms.
- reaction conditions such as the reaction temperature of the transition metal salt, oxalic acid derivatives and neutral ligand, solvent, or the like, or use of neutral ligand It may be implemented and controlled by adjusting the type, composition, and the like.
- such metal nanostructures may have various steric structures and particle shapes, and due to the basic catalytic activity of the central metal, various steric structures, and the like, excellent catalytic activity in the polymerization reaction for producing polyalkylene carbonate resins Can be represented.
- the catalytic activity of such metal nanostructures can be controlled multivariately according to its steric structure, etc., by applying the metal nanostructures, it is easy to control the steric structure and particle shape, and also easily adjust the activity as a catalyst. It is possible to provide a polymerization catalyst for producing a polyalkylene carbonate resin or the like which is changed or improved.
- the porous nanostructure when applying a neutral ligand having a low boiling point and easily removable by heating, the porous nanostructure (MOF) may be provided by heat treatment of the metal nanostructure, and the porous nanostructure may be It can be applied to a wide variety of applications.
- the metal nanostructure of the other embodiment is a next generation candidate material as a polymerization catalyst for the production of polyalkylene carbonate resin or the like or It can be considered very preferably as a precursor of porous nanostructures applicable to various other applications.
- the metal nanostructure of another embodiment described above may be prepared by a method comprising the step of reacting the salt of the transition metal M, the compound of formula 3 and the neutral ligand under heating in a solvent, in a solvent.
- Ra 'and Rb' are each independently -OH, -OM 'or-NH 2 , and Rc' is oxygen or sulfur, and if Rc'oxygen, both Ra 'and Rb' are -OH or- It cannot be OM ', ⁇ ' is an alkali metal.
- the metal nanostructure is a transition metal salt in a solvent, the chemical formula
- the oxalic acid derivative of 3 and the above-described neutral ligand may be prepared by a very simplified process for reacting under heating, and the reaction conditions such as temperature and solvent of the reaction stage may be controlled, or the application, type, or composition of the neutral ligand may be controlled.
- the metal nanostructures having various three-dimensional structures or particle shapes and the linear inorganic coordination polymer of one embodiment or a metal complex of another embodiment can be prepared.
- the compound of the formula (3) include oxaamide, oxamate or thio, etc .:
- any salt of a transition metal known to be used to prepare a complex of the transition metal can be used without any particular limitation. More specific types of such transition metal salts include metal salts selected from the group consisting of sulfonate salts, such as acetate salts, chloride salts, bromide salts, or brothide salts such as iodide salts, sulfates, nitrates and triflate salts.
- the solvent may be any organic solvent or dihydroxy solvent known to be usable as a polymerization solvent for the production of polyalkylene carbonate resin, and specific examples thereof.
- the reaction step of the salt of the transition metal M, the oxalic acid derivative of Formula 3 and the neutral ligand may be carried out at room temperature (about 20 ° C) to 250 ° C. heating.
- catalyst composition comprising the metal nanostructure described above.
- Such catalyst compositions can be very preferably used as polymerization catalysts for the production of polyalkylene carbonate resins due to the excellent and controllable polymerization activity of the metal nanostructures.
- a method for producing a polyalkylene carbonate resin comprising the step of polymerizing a monomer comprising epoxide and carbon dioxide in the presence of the catalyst composition.
- the metal nanostructure and the catalyst composition may be used in the form of a heterogeneous catalyst, and the polymerization step may proceed to solution polymerization in an organic solvent.
- the semi-heat can be appropriately controlled, and the molecular weight or viscosity of the polyalkylene carbonate resin to be obtained can be easily controlled.
- solvents include methylene chloride, ethylene dichloride, trichloroethane, tetrachloroethane, chloroform, acetonitrile, Propionitrile, dimethylformamide, N-methyl-2-pyridone, dimethyl sulfoxide, nitromethane, 1,4-dioxane, nucleic acid, toluene, tetrahydrofuran, methylethylketone, methylamineketone, methyl iso With butyl ketone, acetone, cyclonucanonone, trichloroethylene, methyl acetate, vinyl acetate, ethyl acetate, propyl acetate, butyrolactone, caprolactone, nitropropane, benzene, styrene, xylene and methyl propasol
- methylene chloride ethylene dichloride
- trichloroethane tetrachloroethane
- the solvent is about one epoxide prepared: can be used in a weight ratio of about 100, suitably from about 1: 0.5 to 1 can be used in a weight ratio of 10: 1 to 1.
- the ratio is too small, less than about 1: 0.5, the solvent may not function properly as the reaction medium, and it may be difficult to take advantage of the above-described solution polymerization.
- the ratio exceeds about 1: 100, the concentration of epoxide and the like may be relatively low, resulting in lowering productivity, lowering the molecular weight of the finally formed resin, or increasing side reactions.
- the catalyst composition in particular, the metal nanostructures contained therein may be added in a molar ratio of about 1:50 to 1: 1000 relative to the epoxide. More preferably, the organic zinc catalyst may be added in a molar ratio of about 1:70 to 1: 600 and black is about 1:80 to 1: 300 relative to the epoxide. If the ratio is too small, it is difficult to show a sufficient catalytic activity during solution polymerization. On the contrary, if the ratio is excessively large, an excessive amount of catalyst is used, resulting in inefficient by-products, or back-biting of the resin due to heating in the presence of a catalyst. ) May occur.
- examples of the epoxide include an alkylene oxide having 2 to 20 carbon atoms unsubstituted or substituted with halogen or an alkyl group having 1 to 5 carbon atoms; Cycloalkylene oxide having 4 to 20 carbon atoms unsubstituted or substituted with halogen or alkyl group having 1 to 5 carbon atoms; And a styrene oxide having 8 to 20 carbon atoms substituted or unsubstituted with halogen or an alkyl group having 1 to 5 carbon atoms.
- the epoxide may be an alkylene oxide having 2 to 20 carbon atoms unsubstituted or substituted with halogen or an alkyl group having 1 to 5 carbon atoms.
- epoxides include ethylene oxide, propylene oxide, butene oxide, pentene oxide, nuxene oxide, octene oxide, decene oxide, dodecene oxide, tetradecene oxide, nucledecene oxide, octadecene oxide, butadiene monooxide, 1, 2-epoxy-7-octene, epifluorohydrin, epichlorohydrin, epibromohydrin, isopropyl glycidyl ether, butyl glycidyl ether, t butyl glycidyl ether, 2-ethylnuclear Glycidyl ether, allyl glycidyl ether, cyclopentene oxide, cycl
- solution polymerization described above may be performed at about 50 to 100 ° C. and about 15 to 50 bar for about 1 to 60 hours.
- solution polymerization is more suitably carried out at about 70 to 90 ° C and about 20 to 40 bar, for about 3 to 40 hours.
- the polymerization process and conditions may be followed by conventional polymerization conditions for preparing the polyalkylene carbonate resin, and thus, further description thereof will be omitted.
- the present invention includes a novel linear inorganic coordination polymer, a metal complex, and the like, which are prepared in the form of metal nanostructures having various three-dimensional structures and can be used as catalysts having excellent activity in the production of polyalkylene carbonate resins and the like. Metal nanostructures and the like can be provided.
- Such metal nanostructures can be easily controlled in three-dimensional structure and particle shape, and can more easily control, change or improve activity as a catalyst. It can be used preferably as a polymerization catalyst for manufacture of polyalkylene carbonate resin, etc.
- FIG. 1 is an electron micrograph showing an example of a metal nanostructure having a one-dimensional three-dimensional structure (linear three-dimensional structure), including a metal complex according to another embodiment of the invention.
- 2A to 2D show FT-IR analysis results, EDS element analysis results, TGA analysis results, and electron micrographs of the metal complex and metal nanostructure of Example 1, respectively.
- 3A to 3B show FT-IR analysis results and electron micrographs of the metal complex and metal nanostructure of Example 2, respectively.
- Oxamide (0.088 g, lmmol) was dispersed in ethylene glycol (15 mL), and zinc sulfate heptahydrate (0.287 g, lmmol) was added, followed by Triethylamine (280 L, 2 mmol). After reacting for 3 hours, the precipitate was separated by centrifugation and washed three times with ethanol. After removing the particles with a membrane filter to obtain only the sheet form.
- Example 1 the metal complex of Example 1 was prepared, and the constituent elements and the structure of the metal complex were analyzed and confirmed through EDS, FT-IR and TGA.
- FT-IR analysis results are shown in FIG. 2A
- EDS analysis results are shown in FIG. 2B
- TGA analysis results are shown in FIG. 2C.
- Example 2 Preparation of Linear Inorganic Coordination Polymers, Metal Complexes (Zn-oxamate) and Metal Nanostructures
- Oxamic acid (0.089 g, lmmol) was dispersed in ethylene glycol (15 mL), and zinc sulfate heptahydrate (0.287 g, lmmol) was added, followed by addition of triethylamine (280 ⁇ L, 2 mmol). After reacting for 3 hours at room temperature, the precipitate was separated by centrifugation and washed three times with ethanol.
- Example 2 the metal complex of Example 2 was prepared, and the constituent elements and the structure of the metal complex were analyzed and confirmed through FT-IR.
- the results of this FT-I analysis are shown in Figure 3a.
- the peak corresponding to (Zn-0 and Zn-N) was confirmed, and it was confirmed that this metal complex has a repeating unit structure of formula (2).
- Example 2 The structure of the metal complex of Example 2 was analyzed by electron micrograph and shown in FIG. 3B. Referring to FIG. 3B, it was confirmed that the metal nanostructure has a specific three-dimensional structure, and the metal nanostructure is compared with FIG. 1. It was found that the structure can be controlled in various three-dimensional solid structures and shapes.
- the metal complex compound and the metal nanostructure of the embodiment can be appropriately used as a catalyst by exhibiting polymerization activity in the polymerization reaction for the production of polypropylene carbonate resin.
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JP2017536550A JP6445170B2 (ja) | 2015-02-17 | 2016-02-16 | 線状無機配位高分子、金属錯化合物、これを含む金属ナノ構造体および触媒組成物 |
US15/538,461 US10376868B2 (en) | 2015-02-17 | 2016-02-16 | Linear inorganic coordination polymer, metal complex compound, and metal nanostructure and catalyst composition comprising the same |
CN201680006421.2A CN107207719B (zh) | 2015-02-17 | 2016-02-16 | 线型无机配位聚合物、金属络合物、金属纳米结构和包含其的催化剂组合物 |
EP16752671.4A EP3222348A4 (en) | 2015-02-17 | 2016-02-16 | Linear inorganic coordination polymer, metal complex compound, and metal nanostructure and catalyst composition comprising same |
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