WO2017155307A2 - 유기 아연 촉매, 이의 제조 방법 및 상기 촉매를 이용한 폴리알킬렌 카보네이트 수지의 제조 방법 - Google Patents
유기 아연 촉매, 이의 제조 방법 및 상기 촉매를 이용한 폴리알킬렌 카보네이트 수지의 제조 방법 Download PDFInfo
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- 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
- C08G64/34—General preparatory processes using carbon dioxide and cyclic ethers
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- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of zinc, cadmium or mercury
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- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/20—Carbon compounds
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- 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
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0201—Oxygen-containing compounds
- B01J31/0204—Ethers
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- 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
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
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- 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
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
- B01J31/068—Polyalkylene glycols
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- 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
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/12—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
- B01J31/122—Metal aryl or alkyl compounds
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- 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
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/12—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
- B01J31/123—Organometallic polymers, e.g. comprising C-Si bonds in the main chain or in subunits grafted to the main chain
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/04—Mixing
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- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
- B01J2531/0213—Complexes without C-metal linkages
- B01J2531/0216—Bi- or polynuclear complexes, i.e. comprising two or more metal coordination centres, without metal-metal bonds, e.g. Cp(Lx)Zr-imidazole-Zr(Lx)Cp
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- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/20—Complexes comprising metals of Group II (IIA or IIB) as the central metal
- B01J2531/26—Zinc
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- 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
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
- B01J31/2213—At least two complexing oxygen atoms present in an at least bidentate or bridging ligand
Definitions
- the present invention relates to an organic zinc catalyst exhibiting improved activity in the polymerization process for producing a polyalkylene carbonate resin, a method for preparing the same, and a method for producing a polyalkylene carbonate resin using the organic zinc catalyst.
- Such a zinc dicarboxylate catalyst typically a zinc glutarate catalyst, is formed by reacting a dicarboxylic acid such as a zinc precursor and glutaric acid, and has a form of fine crystalline particles.
- a zinc dicarboxylate catalyst in the form of crystalline particles was difficult to be controlled to have a uniform and fine particle diameter in the production process.
- Conventional zinc dicarboxylate-based catalysts have a nanometer-scale particle size, but as the aggregates of the catalyst particles in the medium form larger aggregates and smaller surface areas, polyalkylene carbonate resins are prepared. There is a problem in that the catalytic activity is lowered. In this regard, the smaller the size of the zinc precursor used in the preparation of the zinc dicarboxylate-based catalyst was found to have a significant effect on the activity of the resulting catalyst.
- zinc oxide powders used as zinc sources (zinc precursors) for the production of zinc dicarboxylate catalysts are ionic binders having a particle size of several tens to several hundred nanometers and a specific surface area of about 10 mVg.
- the zinc oxide powder has a very high polarity and is well dispersed in a polar solvent, but in a nonpolar solvent, the particles aggregate together to form a very large aggregate.
- a non-uniform reaction occurs when the whole reaction system is examined, and thus, the heterogeneity of the catalyst crystallinity generated accordingly increases, thereby lowering the activity of the catalyst.
- the catalytic activity is improved than the general organic zinc catalyst in the polymerization process for producing a polyalkylene carbonate resin, and in particular, an organic zinc catalyst and a method for preparing the same are provided to prevent coarsening during the catalyst manufacturing process.
- the present invention provides a method for producing a polyalkylene carbonate resin using an organic zinc catalyst obtained through the above production method.
- an organic zinc catalyst comprising 0.001 to 5% by weight of the polyether physically bonded on the catalyst to the weight of the catalyst is Is provided.
- 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 an organic zinc catalyst prepared by the above method.
- a catalyst exhibiting excellent catalytic activity in the preparation of polyalkylene carbonate resins may cause deactivation during the catalyst preparation process.
- the meaning of “comprising 1 ” as used in the specification of the present invention embodies a specific characteristic, a region, an integer, a step, an operation, an element and / or a component, and a different characteristic, a region, an integer, a step, an operation, an element and / It is not intended to exclude the presence or the addition of the components of the present invention. Shall be.
- a method for producing an organic zinc catalyst comprising.
- the present invention relates to a method for developing heterogeneous organometallic catalysts used in the production of polyalkylene carbonates through copolymerization of carbon dioxide and epoxide compounds.
- the zinc compound and the dicarboxylic acid were reacted in a single solvent and synthesized without any special additives in addition to the monocarboxylic acid such as acetic acid.
- the zinc dicarboxylate catalyst thus synthesized showed mostly limited catalytic activity.
- Zinc glutarate as an example
- ZnO and glutaric acid are synthesized by stirring in a reaction solvent such as toluene for a predetermined temperature and for a predetermined time. At this time, a small amount of acetic acid, which is a monocarboxylic acid, was also added.
- the method has a limitation in improving the catalytic activity, and it is intended to provide a method of adding a polyether derivative specifically during the synthesis of the organic zinc catalyst.
- the present inventors confirmed that when polyether is added in the synthesis of a zinc glutarate catalyst, the activity is increased compared to a general zinc glutarate catalyst.
- the zinc glutarate catalyst prepared by adding polyether may cause aggregation phenomenon due to interaction ions of polyethers present on the surface of the catalyst, which may cause degradation of activity.
- the present invention focuses on such a method and has developed a method of using a polyether having a functional group at the terminal. Therefore, the present invention seeks to identify additional functions by the functional groups at the ends of the polyethers.
- the present invention it is possible to prevent unevenness by introducing an alkyl chain having an appropriate length at the end of a polyether such as polyethylene glycol.
- the present invention can impart various functions to the catalyst by introducing various functional groups.
- the specific polyether derivative of the present invention when using a zinc precursor and a dicarboxylic acid reaction for the preparation of the organic zinc catalyst, the specific polyether derivative of the present invention, it was confirmed that an organic zinc catalyst having an improved polymerization activity can be obtained.
- the process of the present invention can produce an organo zinc metal catalyst having excellent catalytic activity without conventional monocarboxylic acid such as acetic acid as well as other special additives.
- the polyether derivative used in the present invention is composed of at least one ethylene oxide group and a terminal functional group, wherein the functional group at the terminal prevents coarsening in the reaction. Therefore, according to the present invention, an organic zinc catalyst having excellent catalyst production yield and high catalytic activity can be prepared as compared with a catalyst having no polyether derivative.
- the polyether derivative mentioned in the present invention having an ether bond It has a functional group at the terminal substituted by a C1-C18 alkyl group, a C6-C18 aryl group, a vinyl group, an alkyl acrylate, a phosphate, or a sulfonyl group at the terminal of the polyether which is a polymer which uses one type of repeating unit as a principal chain. It may mean an aliphatic or aromatic polyether derivative structure.
- the polyether derivative may be an aliphatic (al iphat ic) polyether and an aromatic (aromat ic) polyether can be used without particular limitation, and the characteristics of the reaction product and reaction medium of the zinc dicarboxylate-based catalyst synthesis reaction reaction Can be selected accordingly.
- Such polyether derivatives include tetraethylene glycol dimethyl ether, diethylene glycol dibutyl ether, tetraethylene glycol dimethacrylate, benzyl-PEG benzyl-polyethylene glycol), PEG-aldehyde, PEG-phosphate, and PEG-phospholipid ( PEG-phosphol ipid) may be used one or more compounds selected from the group consisting of.
- polyethylene glycol derivatives in which catalytic synthesis is used consist of one or more ethylene oxide groups and terminal functional groups. Representative examples are as shown in Table 1.
- the polyether derivative may have a weight average molecular weight (Mw) of 100 to 10, 000, or 100 to 7, 500, or 200 to 5,000. That is, the polyether derivative preferably has a weight average molecular weight of 100, more preferably 200 or more, so that the effect of the modification by the polyether derivative can be fully expressed. However, when the molecular weight of the polyether derivative is too large, it may affect the composition of the reaction medium, thereby reducing the reaction properties of the reaction product or lowering the crystallinity of the catalyst. Therefore, it is more preferable that the polyether has a weight average molecular weight of 5,000 or less.
- the organic zinc catalyst prepared by the above method may have a physicochemically bound polyether derivative.
- the organic zinc catalyst may have a moiety (moi et i es) or coordinated polyether derivative of a polyether derivative bonded to its surface, and is physically adsorbed within the structure of the organic zinc catalyst. It may have a polyether derivative.
- the catalyst may be a porous coordination polymer catalyst.
- the specific polyether derivative physicochemically bonded to the organic zinc catalyst provides a favorable environment for the opening of the epoxide in the preparation of the polyalkylene carbonate resin using the organic zinc catalyst. It is possible to provide a favorable environment for adsorption of carbon dioxide.
- the zinc precursor any zinc precursor that has been used for the preparation of a zinc dicarboxylate catalyst can be used without any limitation.
- the zinc precursor is zinc oxide (ZnO), zinc sulfate (ZnS0 4 ), At least one member selected from the group consisting of zinc chlorate (Zn (C10 3 ) 2 ), zinc nitrate (Zn (N0 3 ) 2 ), zinc acetate (Zn (0Ac) 2 ), and zinc hydroxide (Zn (0H) 2 ) Zinc compounds.
- any dicarboxylic acid having 3 to 20 carbon atoms may be used as the dicarboxylic acid.
- the dicarboxylic acid may be aliphatic dicarboxylic acid such as malonic acid, glutaric acid, succinic acid, and adipic acid; Aromatic dicarboxylic acids such as terephthalic acid, isophthalic acid, homophthalic acid, and phenylglutaric acid.
- various aliphatic or aromatic dicarboxylic acids having 3 to 20 carbon atoms may be used.
- the dicarboxylic acid is glutaric acid in view of the activity of the catalyst.
- the organic zinc catalyst is a zinc glutarate-based catalyst.
- the dicarboxylic acid may be used in an equivalent or excess mole of the zinc precursor, specifically about 1 to 1.5 moles, or about 1.1 to 1.3 moles with respect to 1 mole of the zinc precursor. Can be used at the ratio of.
- reaction when reaction is performed while the dicarboxylic acid maintains the same or excessive state as that of the zinc precursor, reaction may proceed slowly in the form of dicarboxylic acid molecules or ions surrounding the uniformly dispersed zinc precursor.
- zinc precursors can react with dicarboxylic acids with little agglomeration of each other, and an organic zinc catalyst having a more uniform and finer particle diameter and exhibiting improved activity can be obtained.
- reaction of the zinc precursor and the dicarboxylic acid proceeds in the presence of the polyether derivative described above.
- the polyether derivative may be present in the reaction system at 0.1 to 10% by weight, or 1 to 10% by weight, or 1 to 7.5% by weight, or 1 to 5% by weight relative to the zinc precursor. That is, in order to be sufficiently modified by the polyether derivative, the polyether derivative is preferably present in the reaction system at 0.1% by weight or more relative to the zinc precursor. However, when the polyether derivative is mixed in an excessive amount, the polyether derivative may participate in the reaction to cause banbanung, or may affect the composition of the medium, thereby lowering the crystallinity of the catalyst. Can be. Therefore, it is preferable that the polyether derivative is present in the reaction system at 10 wt% or less with respect to the zinc precursor.
- the reaction step is performed under a liquid medium in which a reactant including a zinc precursor and a dicarboxylic acid and a polyether derivative are present (for example, the reaction mixture proceeds to a solution state in which the reaction product and the polyether derivative are dissolved or dispersed).
- a reactant including a zinc precursor and a dicarboxylic acid and a polyether derivative are present (for example, the reaction mixture proceeds to a solution state in which the reaction product and the polyether derivative are dissolved or dispersed).
- the dicarboxylic acid may be added while dividing the solution or dispersion containing the zinc precursor into two or more times.
- the reaction may be performed by adding a part of the solution containing the zinc precursor to the solution containing the dicarboxylic acid, and then proceeding the remaining reaction by dividing the remainder of the solution containing the zinc precursor.
- the whole reaction step can be carried out while maintaining the molar ratio of the zinc precursor and the dicarboxylic acid in the reaction system, from which an organic zinc catalyst having a more uniform and finer particle diameter and exhibiting improved activity can be obtained.
- the entire reaction step may be performed while uniformly dropping the solution containing the zinc precursor in the form of droplets to the solution containing the dicarboxylic acid.
- any organic or aqueous solvent may be used in which the zinc precursor and / or dicarboxylic acid are known to be easy to form catalyst particles.
- the liquid medium may be at least one solvent selected from the group consisting of toluene, nucleic acid, dimethylformamide, ethanol, and water.
- the reaction of the zinc precursor and the dicarboxylic acid may be performed for about 1 to 10 hours at a temperature of about 50 to 130 ° C.
- the zinc precursor may be divided at equal intervals during the entire reaction time, and the molar ratio of the reactants in the reaction system may be maintained throughout the reaction. Then, if necessary, a cleaning process and a drying process for the synthesized organic zinc catalyst may be performed.
- a zinc dicarboxylate catalyst obtained by reacting a zinc precursor with a dicarboxylic acid having 3 to 20 carbon atoms in the presence of an aliphatic or aromatic polyether having a functional group at the terminal,
- An organic zinc catalyst comprising a polyether derivative physicochemically bound on a catalyst is provided in an amount of 0.001 to 5% by weight based on the weight of the catalyst.
- the organic zinc catalyst is obtained by reacting a zinc precursor and a dicarboxylic acid in the presence of the polyether derivative, and may be preferably obtained by the above-described manufacturing method.
- the organic zinc catalyst prepared by the above method may have a polyether derivative which is physicochemically bound.
- the organic zinc catalyst may be a moiety of a polyether derivative having a specific end group bonded to its surface or a coordinated polyether derivative structure, and the structure of the organic zinc catalyst It may be a structure physically adsorbed within.
- the polyether derivative physicochemically bonded to the organic zinc catalyst provides a favorable environment for the opening of the epoxide in the preparation of the polyalkylene carbonate resin using the organic zinc catalyst and at the same time carbon dioxide. It is possible to provide a favorable environment for adsorption of. Accordingly, the organic zinc catalyst may exhibit improved polymerization activity in the preparation of the polyalkylene carbonate resin, compared to a catalyst having no existing polyether or polyether derivative. In the present invention, it is possible to prepare a catalyst having excellent activity without separately adding a monocarboxylic acid such as acetic acid.
- the polyether derivative may be present on the organic zinc catalyst in an amount of 5% by weight or less, or 0.001 to 5% by weight, or 0.001 to 3% by weight, or 0.01 to 1.5% by weight>.
- the activity of the catalyst may be reduced by blocking the active surface of the catalyst.
- the content of the polyether derivative present on the catalyst is preferably 5% by weight or less based on the weight of the catalyst.
- 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 an organic zinc catalyst prepared by the above-described method .
- the organic zinc catalyst 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 properly 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, methyl ethyl ketone, methyl amine ketone, methyl isobutyl ketone, acetone, cyclonuxanone, trichloroethylene, methyl acetate, vinyl acetate, ethyl acetate , One or more selected from the group consisting of propyl acetate, butyrolactone, caprolactone, nitropropane, benzene, styrene, xylene and methyl propasol may be used. Of these, by using methylene chloride, ethylene dichlor
- the solvent may be used in a weight ratio of about 1: 0.5 to 1: 100 relative to the epoxide, and suitably in a weight ratio of about 1: 1 to 1: 10. At this time, if 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. In addition, when the ratio exceeds about 1: 100, the concentration of epoxide and the like may be relatively low, resulting in lower productivity, and lower molecular weight of the final resin. Bubanung can increase.
- the organic zinc catalyst 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 at a molar ratio of about 1:70 to 1: 600, or about 1:80 to 1: 300 relative to the epoxide. If the ratio is too small, it is difficult to show the catalytic activity in the case of solution consolidation. On the contrary, if the ratio is too large, an excessive amount of catalyst is used to produce inefficient and by-products or the back-bi of the resin due to heating in the presence of the catalyst. t ing) 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 of 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, cyclonuxene oxide, cyclooctene oxide, cyclododecene oxide, alpha-finene oxide, 2, 3-epoxynorbornene, limonene oxide
- solution polymerization may be performed at about 50 to 100 ° C. and about 15 to 50 bar for about 1 to 60 hours.
- the 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.
- ZnGA catalysts were prepared by adding existing acetic acid without PEG derivatives.
- a ZnGA catalyst was prepared under the condition that no acetic acid was added.
- An organic zinc catalyst was prepared in the same manner as in Example 1, except that benzyl-PEG was added in an amount of 5 wt% based on the ZnO content instead of the tetraethylene glycol dimethyl ether of Example 1.
- An organic zinc catalyst was prepared in the same manner as in Example 1, except that ethylene glycol dimethyl ether was added in an amount of 15 wt% based on the ZnO content instead of tetraethylene glycol dimethyl ether of Example 1.
- An organic zinc catalyst was prepared in the same manner as in Example 1, except that tetraethylene glycol dimethyl ether of Example 1 was added in an amount of 0.05 wt% based on the ZnO content.
- Polyethylene carbonate (PEC) was prepared using the ZnGA catalysts of Comparative Examples 1 to 3 and Examples 1 and 2 by the following method.
- a zinc glutarate catalyst and methylene chloride (MC) were added to a high pressure reactor, followed by ethylene oxide (E0). Carbon dioxide (C0 2 ) was then injected into the reaction vessel. The polymerization reaction was carried out at 70 ° C. for 3 hours. After completion of the reaction, Mibanung's carbon dioxide and ethylene oxide were removed together with methylene chloride as a solvent. To determine the amount of PEC produced, the remaining solids were quantified after complete drying. Activity of the catalyst according to the polymerization process and The yield is shown in Table 2 below.
- Examples 3 to 4 of the present invention exhibited significantly improved catalytic activity compared to Comparative Examples 4 to 6 even when the organic zinc catalysts of Examples 1 and 2 without acetic acid were used. . Therefore, Examples 3 to 4 of the present invention can effectively increase the yield of the polyethylene carbonate resin.
- Comparative Example 4 the catalyst of Comparative Example 1 using general acetic acid was used, showing a limit in catalytic activity.
- Comparative Example 2 lowered the crystallinity of the catalyst as a side reaction of the polyether derivative is used in excess of the zinc precursor.
- Comparative Example 3 too few polyether derivatives were used as compared to the zinc precursor, and thus the problem of unevenness in preparing the catalyst could not be solved. Therefore, Comparative Examples 5 and 6, which produced polyethylene carbonate using the catalysts of Comparative Examples 2 and 3, exhibited relatively lower catalytic activity than Examples, and produced many by-products.
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Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018515659A JP6571278B2 (ja) | 2016-03-09 | 2017-03-08 | 有機亜鉛触媒、その製造方法および前記触媒を利用したポリアルキレンカーボネート樹脂の製造方法 |
| CN201780003772.2A CN108602063B (zh) | 2016-03-09 | 2017-03-08 | 有机锌催化剂,其制备方法,以及使用该催化剂制备聚碳酸亚烷基酯树脂的方法 |
| EP17763568.7A EP3415234A4 (en) | 2016-03-09 | 2017-03-08 | ORGANIC ZINC CATALYST, PRODUCTION PROCESS AND METHOD FOR PRODUCING A POLYALKYLENE CARBONATE RESIN WITH THIS CATALYST |
| US15/761,323 US10633488B2 (en) | 2016-03-09 | 2017-03-08 | Organic zinc catalyst, preparation method thereof, and method for preparing polyalkylene carbonate resin using the catalyst |
| US16/823,496 US10836860B2 (en) | 2016-03-09 | 2020-03-19 | Organic zinc catalyst, preparation method thereof, and method for preparing polyalkylene carbonate resin using the catalyst |
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| KR20160028458 | 2016-03-09 | ||
| KR10-2016-0028458 | 2016-03-09 |
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| US15/761,323 A-371-Of-International US10633488B2 (en) | 2016-03-09 | 2017-03-08 | Organic zinc catalyst, preparation method thereof, and method for preparing polyalkylene carbonate resin using the catalyst |
| US16/823,496 Division US10836860B2 (en) | 2016-03-09 | 2020-03-19 | Organic zinc catalyst, preparation method thereof, and method for preparing polyalkylene carbonate resin using the catalyst |
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| WO2017155307A2 true WO2017155307A2 (ko) | 2017-09-14 |
| WO2017155307A3 WO2017155307A3 (ko) | 2018-08-02 |
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| EP (1) | EP3415234A4 (ko) |
| JP (1) | JP6571278B2 (ko) |
| KR (1) | KR102109788B1 (ko) |
| CN (1) | CN108602063B (ko) |
| WO (1) | WO2017155307A2 (ko) |
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| KR20190037440A (ko) | 2017-09-29 | 2019-04-08 | 원영식 | 챔버 잔류가스 배기장치 |
| JP7128965B2 (ja) | 2018-12-21 | 2022-08-31 | エルジー・ケム・リミテッド | 表面改質処理による廃有機亜鉛触媒の再生方法 |
| WO2021140870A1 (ja) * | 2020-01-08 | 2021-07-15 | 住友精化株式会社 | 有機亜鉛触媒組成物の製造方法 |
| KR102576776B1 (ko) * | 2022-10-28 | 2023-09-07 | 아주대학교산학협력단 | 이산화탄소-에폭사이드 반응 촉매, 이의 제조 방법 및 이를 이용한 폴리머 합성 방법 |
| KR102705225B1 (ko) * | 2023-05-15 | 2024-09-11 | 국립공주대학교 산학협력단 | 고활성 유기 아연 촉매의 제조 방법 및 이로부터 제조된 촉매를 이용한 폴리알킬렌 카보네이트의 제조 방법 |
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| US7405265B2 (en) | 2002-06-20 | 2008-07-29 | Posco | Method of preparing catalyst for polymerization of aliphatic polycarbonate and method of polymerizing aliphatic polycarbonate |
| WO2013034489A1 (de) | 2011-09-09 | 2013-03-14 | Basf Se | Verfahren zur herstellung von zinkdicarboxylat |
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| JP2732475B2 (ja) * | 1988-08-09 | 1998-03-30 | 三井化学株式会社 | 亜鉛含有固体触媒およびこの触媒を用いたポリアルキレンカーボネートの製法 |
| EP0358326B1 (en) | 1988-08-09 | 1996-12-27 | Mitsui Petrochemical Industries, Ltd. | Process for preparing a zinc-containing solid catalyst and process for preparing polyalkylene carbonate |
| KR100722380B1 (ko) | 2002-06-20 | 2007-05-28 | 주식회사 포스코 | 지방족 폴리카보네이트 중합용 촉매의 제조 방법 및 이를사용한 지방족 폴리카보네이트의 중합 방법 |
| JP4193591B2 (ja) * | 2003-05-28 | 2008-12-10 | ソニー株式会社 | 偏光分離素子 |
| JP2006002063A (ja) | 2004-06-18 | 2006-01-05 | Mitsui Chemicals Inc | ポリアルキレンカーボネートの製造法 |
| JP2006257374A (ja) | 2005-03-18 | 2006-09-28 | Toray Ind Inc | ポリアルキレンカーボネートの製造方法および成型材料 |
| JP2007126547A (ja) | 2005-11-02 | 2007-05-24 | Mitsui Chemicals Inc | ポリアルキレンカーボネートの製造法 |
| US20070197738A1 (en) * | 2006-01-20 | 2007-08-23 | Deepak Ramaraju | Process for making polyesters |
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| KR101729300B1 (ko) * | 2014-06-13 | 2017-04-21 | 주식회사 엘지화학 | 유기 아연 촉매, 이의 제조 방법 및 상기 촉매를 이용한 폴리알킬렌 카보네이트 수지의 제조 방법 |
| US10047032B2 (en) | 2014-06-13 | 2018-08-14 | Lg Chem, Ltd. | Preparation method of organic zinc catalyst and poly(alkylene carbonate) resin |
| WO2015190874A1 (ko) | 2014-06-13 | 2015-12-17 | 주식회사 엘지화학 | 유기 아연 촉매, 이의 제조 방법 및 상기 촉매를 이용한 폴리알킬렌 카보네이트 수지의 제조 방법 |
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2017
- 2017-03-08 EP EP17763568.7A patent/EP3415234A4/en active Pending
- 2017-03-08 CN CN201780003772.2A patent/CN108602063B/zh active Active
- 2017-03-08 WO PCT/KR2017/002522 patent/WO2017155307A2/ko not_active Ceased
- 2017-03-08 JP JP2018515659A patent/JP6571278B2/ja active Active
- 2017-03-08 US US15/761,323 patent/US10633488B2/en active Active
- 2017-03-08 KR KR1020170029697A patent/KR102109788B1/ko active Active
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2020
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| US7405265B2 (en) | 2002-06-20 | 2008-07-29 | Posco | Method of preparing catalyst for polymerization of aliphatic polycarbonate and method of polymerizing aliphatic polycarbonate |
| WO2013034489A1 (de) | 2011-09-09 | 2013-03-14 | Basf Se | Verfahren zur herstellung von zinkdicarboxylat |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6571278B2 (ja) | 2019-09-04 |
| US20180265632A1 (en) | 2018-09-20 |
| US10633488B2 (en) | 2020-04-28 |
| EP3415234A4 (en) | 2019-04-17 |
| CN108602063A (zh) | 2018-09-28 |
| KR20170105435A (ko) | 2017-09-19 |
| JP2018530651A (ja) | 2018-10-18 |
| WO2017155307A3 (ko) | 2018-08-02 |
| EP3415234A2 (en) | 2018-12-19 |
| US10836860B2 (en) | 2020-11-17 |
| US20200216612A1 (en) | 2020-07-09 |
| KR102109788B1 (ko) | 2020-05-12 |
| CN108602063B (zh) | 2020-12-08 |
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