WO2017111469A1 - 이중금속시안염 촉매, 그 제조방법 및 상기 촉매를 이용한 폴리카보네이트 폴리올 제조방법 - Google Patents
이중금속시안염 촉매, 그 제조방법 및 상기 촉매를 이용한 폴리카보네이트 폴리올 제조방법 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
- B01J27/26—Cyanides
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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
-
- 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
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
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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
- C08G64/02—Aliphatic polycarbonates
- C08G64/0208—Aliphatic polycarbonates saturated
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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
- C08G64/02—Aliphatic polycarbonates
- C08G64/0291—Aliphatic polycarbonates unsaturated
Definitions
- the present invention relates to a double metal cyan salt catalyst, a method for producing the same, and a method for producing a polycarbonate polyol using the catalyst.
- Polycarbonate polyols are industrially produced raw materials in large quantities and are generally used together with polyisocyanates as starting materials for polyurethane production.
- a basic metal hydroxide such as potassium hydroxide (KOH) is used as a catalyst for preparing the polycarbonate polyol, but the content of a monofunctional polyether (monol) having a terminal double bond increases, which is very disadvantageous in polyurethane production. There is a problem that makes it work.
- polycarbonate polyols prepared using the catalyst are processed into higher polyurethanes (e.g. coatings, elastomers, sealants, foams and adhesives).
- the conventional double metal cyanide catalyst has caused an environmental pollution by including an excessive amount of an organic complexing agent, and has a problem of low economical efficiency due to long production time due to a complicated synthesis process.
- carbon dioxide is a thermodynamically very stable material, and high energy is required to fix it, so a high activity catalyst is required.
- Patent Document 10-2012-0042796 provides a method for preparing a solid double metal cyanide or multimetal cyanide catalyst, characterized in that the lactate compound is used as a complexing agent, but the catalyst does not have high selectivity with carbon dioxide and the final product. There is a problem that is difficult to adjust the functional for.
- Patent Publication No. 10-2014-0042167 provides a method for producing polycarbonate prepared by copolymerizing carbon dioxide and an epoxy compound under a double metal cyanide catalyst including an organic complexing agent containing a ketone group and a hydroxyl group at the same time. The functional groups for the final product prepared using the catalyst are also difficult to control, and there is a problem that the final product is difficult to use as a high-quality polyurethane material.
- the present invention is to provide a double metal cyanide catalyst having excellent catalytic activity and short catalytic activity induction time.
- the present invention is to provide a method for producing a double metal cyanide catalyst having a low content of the organic complexing agent is environmentally friendly and simple process.
- the present invention is to provide a polycarbonate polyol production method using the double metal cyan salt catalyst.
- a double metal cyanide catalyst including an organic complexing agent having an acetate group or tartrate, a polyether compound, a metal salt, and a metal cyan salt.
- the metal salt and the organic complexing agent may have a weight ratio of 1: 5 to 1:10.
- the polyether compound may be present in an amount of 0.1 to 30 parts by weight based on 100 parts by weight of the double metal cyanide catalyst.
- the organic complexing agent is ethylene glycol monomethyl ether acetate (MEA), ethylene glycol monoethyl ether acetate (Ethylene glycol monoethyl ether acetate, EEA), ethylene glycol monobutyl ether acetate (Ethylene glycol monobutyl ether acetate, BEA), Diethylene glycol monoethyl ether acetate (DGEEA), Ethylene glycol diacetate (EGD), (+)-Dimethyl-L-tartrate ((+)-Dimethyl-L -tartrate, MT), (+)-diethyl-L-tartrate ((+)-Diethyl-L-tartrate, ET), (+)-diaisopropyl-L-tartrate ((+)-Diisopropyl- L-tartrate, IPT) and (+)-dibutyl-L-tartrate ((+)-Dibuthyl-L-tart
- the polyether compound may be a polyether polyol.
- the polyether polyol may be one or more selected from the group consisting of poly (ethylene glycol), poly (propylene glycol), block copolymers of ethylene oxide and propylene oxide, butylene oxide polymers, and hyper branched polyglycidol have.
- preparing a first mixed solution containing an acetate complex or an organic complexing agent having a tartrate group, a metal salt, and distilled water by supplying a metal cyan salt and distilled water to the first mixed solution
- Preparing a second mixed solution supplying the organic complexing agent and a polyether compound to the second mixed solution to prepare a third mixed solution, and centrifuging the third mixed solution to obtain a precipitate. It provides a method for producing a double metal cyanide catalyst comprising.
- Preparing a fourth mixed solution by supplying the organic complexing agent and distilled water to the precipitate, preparing a fifth mixed solution by supplying the organic complexing agent and the polyether compound to the fourth mixed solution, 5 may further comprise the step of obtaining a precipitate by centrifuging the mixed solution.
- the double metal cyanide catalyst under the double metal cyanide catalyst, it provides a polycarbonate polyol production method for producing a polycarbonate polyol by copolymerizing carbon dioxide and an epoxy compound.
- the epoxy compound may be at least one selected from the group consisting of alkylene oxide having 2 to 20 carbon atoms, cycloalkene oxide having 4 to 20 carbon atoms, and styrene oxide having 1 to 20 carbon atoms.
- the double metal cyanide catalyst of the present invention has excellent catalytic activity and short catalytic activity induction time, and the method of preparing the catalyst of the present invention is environmentally friendly and simple in process due to the low content of the organic complexing agent.
- Polycarbonate polyol prepared by the low unsaturation and has a high carbonate content.
- the present invention relates to a double metal cyan salt catalyst, a method for producing the same, and a method for producing a polycarbonate polyol using the catalyst.
- the bimetal cyanide catalyst of the present invention may include an organic complexing agent having an acetate group or tartrate, a polyether compound, a metal salt, and a metal cyan salt.
- Existing double metal cyanide catalysts contain an excess of an organic complexing agent.
- the organic complexing agent include alcohols, aldehydes, ketones, ethers, esters, amides, urea, nitriles, sulfates or mixtures thereof. Ether or water-soluble aliphatic alcohols were preferred.
- tert -butyl alcohol tert -butyl alcohol, t-BuOH
- tert -butyl alcohol tert -butyl alcohol, t-BuOH
- the bimetal cyanide catalyst of the present invention includes an acetate group or a tartrate group, thereby maintaining the advantages of the existing catalyst, and having a higher catalyst activity and a shorter metal induction time. Cyanide catalysts may be provided.
- the organic complexing agent is not particularly limited as long as it can include an acetate group or tartrate group, for example, ethylene glycol monomethyl ether acetate (MEA), ethylene glycol monoethyl ether acetate ( Ethylene glycol monoethyl ether acetate (EEA), ethylene glycol monobutyl ether acetate (BEA), diethylene glycol monoethyl ether acetate (DGEEA), ethylene glycol diacetate , EGD), (+)-dimethyl-L-tartrate ((+)-Dimethyl-L-tartrate, MT), (+)-diethyl-L-tartrate ((+)-Diethyl-L-tartrate, ET), (+)-Diisopropyl-L-tartrate ((+)-Diisopropyl-L-tartrate, IPT) and (+)-dibutyl-L-tartrate ((+)-Dibuthyl-L-
- the existing double metal cyanide catalyst using tert-butyl alcohol as an organic complexing agent has caused a problem of environmental pollution by using an organic complexing agent of about 40 times or more with respect to the content of the metal salt.
- the weight ratio of the organic complexing agent to zinc chloride is only 1: 5 to 1:10
- the double metal cyanide catalyst of the present invention is more organic than the conventional double metal cyanide catalyst using the butyl alcohol as the organic complexing agent. It is eco-friendly due to the low content of topic.
- the polyether compound included in the bimetal cyanide catalyst of one embodiment of the present invention may be a compound prepared by ring-opening polymerization of a cyclic ether compound, an epoxy polymer, or an oxetane polymer, and a terminal thereof is a hydroxyl group, an amine group, an ester group, or the like. It may be an ether group. Preferably it may be a polyether polyol having a hydroxyl functionality of 1 to 8.
- the polyether polyol is, for example, a group consisting of poly (ethylene glycol), poly (propylene glycol), block copolymers of ethylene oxide and propylene oxide, butylene oxide polymers and hyper branched polyglycidol It may be one or more selected from.
- the block copolymer of ethylene oxide and propylene oxide is, for example, poly (ethylene oxide)-poly (propylene oxide)-poly (ethylene oxide) terpolymer, oxide-capped poly (oxypropylene) polyol or ethylene It may be an oxide-propylene oxide polyol, and the butylene oxide polymer may be butylene glycol, branched glycerol having a hydroxyl group having an average molecular weight of 1,000 to 50,000, or a copolymer thereof.
- the content of the polyether compound is preferably 0.1 to 30 parts by weight based on 100 parts by weight of the double metal cyanide catalyst in order to realize high catalytic activity. If the content of the polyether compound is less than 0.1 parts by weight, the activity of the catalyst is relatively low because it does not effectively bind to the active point of the lattice structure of the double metal cyanide catalyst. It is preferably 0.1 to 30 parts by weight because the activity of the catalyst is lowered because it does not bind effectively to the active point of the catalyst.
- the metal salt and metal cyan salt contained in the double metal cyan salt catalyst may be dissolved and reacted with water.
- the double metal cyanide catalyst may be a reaction product of a metal salt soluble in water and a metal cyan salt soluble in water.
- the metal salt soluble in water may have a general formula of M (X) n .
- M is Zn (II), Fe (II), Ni (II), Mn (II), Co (II), Sn (II), Pb (II), Fe (III), Mo (IV), Mo (VI), Al (II), V (V), V (IV), Sr (II), W (IV), W (VI), Cu (II) and Cr (III).
- Zn (II), Fe (II), Co (II) or Ni (II) is preferable.
- X is a halide, hydroxide, sulfate, carbonate, cyanide, oxalate, thiocyanate, isocyanate, isothiocyanate It may be an anion selected from the group consisting of isothiocyanate, carboxylate and nitrate.
- n is an integer of 1 to 3, satisfies the valence of M.
- the metal salt is zinc chloride, zinc bromide, zinc acetate, zinc acetonyl acetate, zinc benzoate, zinc nitrate, iron bromide (II), cobalt chloride (II), cobalt thiocyanate (II), or nickel formate ( II) or nickel nitrate (II).
- the metal cyanide salt soluble in water may have a structural formula of (Y) a M '(CN) b (A) c .
- Co (II), Co (III), Fe (II), Fe It is preferable that they are (III), Cr (III), Ir (III), or Ni (II).
- Y may be an alkali metal ion or an alkali metal ion
- A may be a halide, hydroxide, sulfate, carbonate, cyanate, oxalate, thiocyanate, isocyanate, isothiocyanate, carboxylate and nitrate. It may be an anion selected from the group consisting of.
- said a and b are integers larger than 1, and the sum of the charges of a, b, and c balances with M 'charge.
- the metal cyanide salt may be potassium hexacyanocobaltate (III), potassium hexacyanoferrate (II), potassium hexacyanoferrate (III), calcium hexacyanocobaltate (II) or lithium. Hexacyanoferrate (II).
- the present invention can provide a method for producing a double metal cyanide catalyst.
- One embodiment of the present invention preparing a first mixed solution containing an acetate complex or an organic complexing agent having a tartrate group, a metal salt, and distilled water, by supplying a metal cyan salt and distilled water to the first mixed solution Preparing a second mixed solution, supplying the organic complexing agent and a polyether compound to the second mixed solution, preparing a third mixed solution, and centrifuging the third mixed solution to obtain a precipitate.
- the first complex solution may be prepared by supplying an organic complexing agent, a metal salt, and distilled water having an acetate group or tartrate group to a beaker, mixing the mixture, and sufficiently stirring the mixture through a mechanical stirrer.
- a second mixed solution may be prepared by preparing a solution in which a metal cyan salt and distilled water are mixed in another beaker and then supplying the first mixed solution.
- the organic complexing agent and distilled water may be mixed with the second mixed solution and further stirred to obtain a third mixed solution.
- the third mixed solution thus obtained may be separated using high-speed centrifugation to obtain a precipitate.
- the precipitate contains a bimetal cyanide catalyst according to the present invention, it is possible to prepare a bimetal cyanide catalyst through the process of washing and drying the precipitate.
- the method for preparing a double metal cyanide catalyst of the present invention is environmentally friendly and has a simple and effective process due to the low content of the organic complexing agent used. It has a short time effect.
- an additional process may be performed to obtain a bimetal cyanide catalyst having more excellent catalytic activity.
- c) may further comprise the step of obtaining a precipitate by centrifuging the fifth mixed solution.
- the precipitate obtained by centrifugation of the fifth mixed solution may be obtained through a washing and drying process to obtain a double metal cyanide catalyst having improved catalytic activity.
- the centrifugation process may be performed a total of three times by additionally performing the processes a) to d) on the fifth mixed solution.
- impurities such as potassium ions, chloride ions, complexing agents, and complexing agents, which are unnecessary in the synthesis of catalysts, can be easily separated. It can increase the activity.
- the present invention can provide a polycarbonate polyol production method using a double metal cyanide catalyst.
- a polycarbonate polyol may be prepared by copolymerizing carbon dioxide and an epoxy compound.
- the polycarbonate polyol may be manufactured by using a high pressure reactor, introducing the bimetal cyanide catalyst of the present invention into a trap installed on the high pressure reactor, and using a carbon dioxide gas into the high pressure reactor. Purging can remove active gases present in the reactor that can cause an explosion. Thereafter, the epoxy compound may be injected into the reactor, the pressure inside the reactor, the stirring speed and temperature may be increased, and the pressure may be maintained by continuously supplying carbon dioxide. Through this, the catalyst trapped in the trap installed in the upper portion of the reactor falls to the bottom of the reactor, it is possible to promote the copolymerization reaction of the epoxy compound and carbon dioxide. After the polymerization reaction, the catalyst and the polymerization product may be separated using a vacuum glass filter, and polycarbonate may be obtained by removing the unreacted epoxy compound through vacuum drying.
- the epoxy compound used in the polycarbonate polyol is not particularly limited, but may be one or more selected from the group consisting of alkylene oxide having 2 to 20 carbon atoms, cycloalkene oxide having 4 to 20 carbon atoms, and styrene oxide having 1 to 20 carbon atoms. .
- solution 3 was added and reacted for 3 minutes.
- the solution after the reaction was separated using high-speed centrifugation to obtain a solid precipitate.
- 20 mL of distilled water and 12 mL of 2-methoxyethyl acetate were added to the precipitate, followed by reaction for 50 to 1 hour while mixing using a mechanical stirrer.
- a mixed solution of 0.485 g of poly (ethylene glycol) -Block-Poly (propylene glycol) -Block-poly (ethylene glycol) was dissolved in 6 mL of 2-methoxyethyl acetate, stirred for 3 minutes, and then subjected to high-speed centrifugation. Solid precipitate was isolated.
- a double metal cyanide catalyst (DMC-EEA) was prepared in the same manner as in Example 1 except for changing 2-methoxyethyl acetate to 2-ethoxyethyl acetate.
- a polycarbonate polyol was prepared in the same manner as in Example 1 except for changing the DMC-MEA catalyst to the DMC-EEA catalyst.
- a double metal cyanide catalyst (DMC-BEA) was prepared in the same manner as in Example 1 except for changing 2-methoxyethylene acetate to 2-butoxyethyl acetate.
- a polycarbonate polyol was prepared in the same manner as in Example 1 except for changing the DMC-MEA catalyst to the DMC-BEA catalyst.
- a double metal cyanide catalyst (DMC-DGEEA) was prepared in the same manner as in Example 1 except for changing 2-methoxyethylene acetate to diethylene glycol monoethyl ether acetate.
- a polycarbonate polyol was prepared in the same manner as in Example 1 except that the DMC-MEA catalyst was changed to the DMC-DGEEA catalyst.
- a double metal cyanide catalyst (DMC-EGD) was prepared in the same manner as in Example 1 except for changing 2-methoxyethylene acetate to ethylene glycol diacetate.
- a polycarbonate polyol was prepared in the same manner as in Example 1 except that the DMC-MEA catalyst was replaced with the DMC-EGD catalyst.
- Double metal cyanide catalyst (DMC-MT) in the same manner as in Example 1 except for changing 2-methoxyethylene acetate to (+)-dimethyl-L-tartrate ((+)-Dimethyl-L-tartrate) Prepared.
- a polycarbonate polyol was prepared in the same manner as in Example 1 except that the DMC-MEA catalyst was replaced with the DMC-MT catalyst.
- Double metal cyanide catalyst in the same manner as in Example 1 except for changing 2-methoxyethylene acetate to (+)-diethyl-L-tartrate ((+)-Diethyl-L-tartrate) ).
- a polycarbonate polyol was prepared in the same manner as in Example 1 except for changing the DMC-MEA catalyst to the DMC-ET catalyst.
- Double metal cyanide catalyst (DMC-) in the same manner as in Example 1 except for changing 2-methoxyethylene acetate to (+)-diaisopropyl-L-tartrate ((+)-Diisopropyl-L-tartrate) IPT).
- a polycarbonate polyol was prepared in the same manner as in Example 1 except for changing the DMC-MEA catalyst to the DMC-IPT catalyst.
- Double metal cyanide catalyst in the same manner as in Example 1 except for changing 2-methoxyethylene acetate to (+)-dibutyl-L-tartrate ((+)-Dibuthyl-L-tartrate) ).
- a polycarbonate polyol was prepared in the same manner as in Example 1 except that the DMC-MEA catalyst was replaced with the DMC-BT catalyst.
- Polycarbonate polyols were prepared in the same manner as in Example 1 (using DMC-MEA catalyst) except for changing cyclohexene oxide (CHO) to propylene oxide (PO).
- CHO cyclohexene oxide
- PO propylene oxide
- Polycarbonate polyols were prepared in the same manner as in Example 2 (using DMC-MEA catalyst) except for changing cyclohexene oxide (CHO) to propylene oxide (PO).
- CHO cyclohexene oxide
- PO propylene oxide
- Polycarbonate polyols were prepared in the same manner as in Example 3 (using DMC-BEA catalyst) except for changing cyclohexene oxide (CHO) to propylene oxide (PO).
- Polycarbonate polyols were prepared in the same manner as in Example 4 (using DMC-DGEEA catalyst) except for changing cyclohexene oxide (CHO) to propylene oxide (PO).
- Polycarbonate polyols were prepared in the same manner as in Example 5 (using DMC-EGD catalyst) except for changing cyclohexene oxide (CHO) to propylene oxide (PO).
- CHO cyclohexene oxide
- PO propylene oxide
- solution 3 was added and reacted for 3 minutes.
- the solution after the reaction was separated using high-speed centrifugation to obtain a precipitate.
- 46 mL of distilled water and 104 mL of tert -butyl alcohol were added to the precipitate, followed by reaction for 50 to 1 hour while mixing using a mechanical stirrer.
- 0.85 g of poly (ethylene glycol) -Block-Poly (propylene glycol) -Block-poly (ethylene glycol) was added thereto, stirred for 3 minutes, and the solid precipitate was separated by high-speed centrifugation.
- Examples 1 to 14 and Comparative Example 1 were tested for molecular weight, carbonate selectivity, carbonate content, yield, unsaturation, and reaction rate, and the results are shown in Tables 1 to 3 below.
- the hydroxyl value and the number of functional groups were measured for Examples 1 to 5, 10 to 14, and Comparative Example 1, and are shown in Tables 1 and 3, and the dispersion degrees (PDI) for Examples 6 to 9 and Comparative Example 1 were measured. It measured and described in Table 2.
- Examples 1 to 5 and 10 to 14 described in Tables 1 and 3 were relatively low in molecular weight, and were analyzed using 1 H-NMR spectroscopy (400 MHz Spectrometer, Varian), and Examples 6 to 9 were relatively low. Since the molecular weight is relatively large, it was analyzed by gel permeation chromatography (THF-GPC) and the results are shown in Tables 1 to 3. Meanwhile, the result of analyzing Comparative Example 1 by 1 H-NMR spectroscopy was described as Comparative Example 1-1, and the result of analyzing Comparative Example 1 by gel permeation chromatography was described as Comparative Example 1-2.
- the polycarbonate polyols prepared in Examples 1 to 5, 10 to 14 and Comparative Example 1 were subjected to 1 H-NMR spectroscopy (400 MHz Spectrometer, Varian Co., Ltd.) of polycarbonates to determine molecular weight, carbonate selectivity and content.
- the results are shown in Tables 1 and 3. Specifically, in the 1 H-NMR spectroscopy, the carbonate peak appeared near 4.5 ppm, the ether peak appeared near 3.5 ppm, and the branch peak of the initiator appeared near 0.8 ppm. It calculated by Formulas 1-3.
- Carbonate selectivity [(carbonate peak area) / (carbonate peak area) + (ether peak area)] * 100 (2)
- Carbonate Content ⁇ (Calculated Molecular Weight-Initiator Molecular Weight) / (Calculated Molecular Weight) ⁇ * Carbonate Selectivity * (44/142) (3)
- the hydroxyl value was measured by the ASTM E 1899-97 method and the OHv unit is mgBu 4 OH / g, the functional group number corresponds to the hydroxyl value contained per molecule of the polyol of the final product polycarbonate.
- the degree of unsaturation is a ratio ending with a double bond at the terminal of the molecule, and the lower the degree of unsaturation, the less problems caused by side reactions of the next reaction, which was measured by ASTM-4671 method.
- the reaction rate is calculated by calculating the content of the final product (g) produced per content (g) and the reaction time (h) is shown in Tables 1 to 3 below.
- Example 1 DMC-5 2,200 49 12 47.73 1.87 28 0.0212 1400
- Example 1 DMC-MEA 1,800 58 14 76.35 2.45 25 0.0121 1666
- Example 2 DMC-EEA 2,000 60 15 68.85 2.35 32 0.0079 1600
- Example 3 DMC-BEA 2,400 52 13 49.80 2.13 27 0.0231 1350
- Example 4 DMC-DGEEA 1,600 44 10 68.87 1.82 19 0.0197 950
- Example 5 DMC-EGD 2,000 57 14 63.50 2.26 27 0.0201 1350
- Example 1-2 DMC-5 8,700 2.92 69 21 16 0.0190 266
- Example 6 DMC-MT 19,700 2.06 54 17 15 0.0241 250
- Example 7 DMC-ET 6,600 2.24 78 24 2 0.0156 33
- Example 8 DMC-BT 16,000 2.06 60 19 8 0.0258 133
- Example 9 DMC-IPT 14,200 2.12 62 19 6 0.0224 100
- Example 1-1 DMC-5 2,200 49 12 47.73 1.87 28 0.0212 1400
- Example 10 DMC-MEA 680 30 4 188.03 2.29 10 0.0121 333
- Example 11 DMC-EEA 850 25 4 137.16 1.63 14 0.0079 466
- Example 12 DMC-BEA 670 51 6 157.42 2.38 12 0.0231 400
- Example 13 DMC-DGEEA 800 30 5 144.07 2.05 15 0.0197 500
- Example 14 DMC-EGD 550 21 2 233.23 2.29 11 0.0201 366
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Abstract
Description
| 촉매 | 분자량(g/mol) | 카보네이트 | 수산기값 | 관능기수 | 수율(g) | 불포화도(meq/g) | 반응속도(g/g-cat·hr) | ||
| 선택도(%) | 함량(wt%) | ||||||||
| 비교예 1-1 | DMC-5 | 2,200 | 49 | 12 | 47.73 | 1.87 | 28 | 0.0212 | 1400 |
| 실시예 1 | DMC-MEA | 1,800 | 58 | 14 | 76.35 | 2.45 | 25 | 0.0121 | 1666 |
| 실시예 2 | DMC-EEA | 2,000 | 60 | 15 | 68.85 | 2.35 | 32 | 0.0079 | 1600 |
| 실시예 3 | DMC-BEA | 2,400 | 52 | 13 | 49.80 | 2.13 | 27 | 0.0231 | 1350 |
| 실시예 4 | DMC-DGEEA | 1,600 | 44 | 10 | 68.87 | 1.82 | 19 | 0.0197 | 950 |
| 실시예 5 | DMC-EGD | 2,000 | 57 | 14 | 63.50 | 2.26 | 27 | 0.0201 | 1350 |
| 촉매 | 분자량(g/mol) | PDI | 카보네이트 | 수율(g) | 불포화도(meq/g) | 반응속도(g/g-cat·hr) | ||
| 선택도(%) | 함량(wt%) | |||||||
| 비교예 1-2 | DMC-5 | 8,700 | 2.92 | 69 | 21 | 16 | 0.0190 | 266 |
| 실시예 6 | DMC-MT | 19,700 | 2.06 | 54 | 17 | 15 | 0.0241 | 250 |
| 실시예 7 | DMC-ET | 6,600 | 2.24 | 78 | 24 | 2 | 0.0156 | 33 |
| 실시예 8 | DMC-BT | 16,000 | 2.06 | 60 | 19 | 8 | 0.0258 | 133 |
| 실시예 9 | DMC-IPT | 14,200 | 2.12 | 62 | 19 | 6 | 0.0224 | 100 |
| 촉매 | 분자량(g/mol) | 카보네이트 | 수산기값 | 관능기수 | 수율(g) | 불포화도(meq/g) | 반응속도(g/g-cat·hr) | ||
| 선택도(%) | 함량(wt%) | ||||||||
| 비교예 1-1 | DMC-5 | 2,200 | 49 | 12 | 47.73 | 1.87 | 28 | 0.0212 | 1400 |
| 실시예 10 | DMC-MEA | 680 | 30 | 4 | 188.03 | 2.29 | 10 | 0.0121 | 333 |
| 실시예 11 | DMC-EEA | 850 | 25 | 4 | 137.16 | 1.63 | 14 | 0.0079 | 466 |
| 실시예 12 | DMC-BEA | 670 | 51 | 6 | 157.42 | 2.38 | 12 | 0.0231 | 400 |
| 실시예 13 | DMC-DGEEA | 800 | 30 | 5 | 144.07 | 2.05 | 15 | 0.0197 | 500 |
| 실시예 14 | DMC-EGD | 550 | 21 | 2 | 233.23 | 2.29 | 11 | 0.0201 | 366 |
Claims (12)
- 아세테이트기(acetate) 또는 타르트레이트기(tartrate)를 갖는 유기 착물화제; 폴리에테르 화합물; 금속염; 및 금속시안염을 포함하는 이중금속시안염 촉매.
- 제1항에 있어서,상기 금속염 및 유기 착물화제는 중량비가 1:5 내지 1:10인 이중금속시안염 촉매.
- 제1항에 있어서,상기 폴리에테르 화합물은 함량이, 상기 이중금속시안염 촉매 100중량부를 기준으로, 0.1 내지 30중량부인 이중금속시안염 촉매.
- 제1항에 있어서,상기 유기 착물화제는 에틸렌글리콜모노메틸에테르 아세테이트 (Ethylene glycol monomethyl ether acetate, MEA), 에틸렌글리콜모노에틸에테르 아세테이트(Ethylene glycol monoethyl ether acetate, EEA), 에틸렌글리콜모노부틸에테르 아세테이트(Ethylene glycol monobutyl ether acetate, BEA), 디에틸렌글리콜모노에틸에테르 아세테이트(Diethylene glycol monoethyl ether acetate, DGEEA), 에틸렌글리콜 디아세테이트(Ethylene glycol diacetate, EGD), (+)-디메틸-L-타르트레이트((+)-Dimethyl-L-tartrate, MT), (+)-디에틸-L-타르트레이트((+)-Diethyl-L-tartrate, ET), (+)-디아이소프로필-L-타르트레이트((+)-Diisopropyl-L-tartrate, IPT) 및 (+)-디부틸-L-타르트레이트((+)-Dibuthyl-L-tartrate, BT)으로 이루어진 군에서 선택된 하나 이상인 이중금속시안염 촉매.
- 제1항에 있어서,상기 폴리에테르 화합물은 폴리에테르 폴리올인 이중금속시안염 촉매.
- 제5항에 있어서,상기 폴리에테르 폴리올은 폴리(에틸렌글리콜), 폴리(프로필렌글리콜), 에틸렌 옥사이드와 프로필렌 옥사이드의 블록공중합체, 산화부틸렌 고분자 및 초분기(hyper branched) 폴리글리시돌로 이루어진 군에서 선택된 하나 이상인 이중금속시안염 촉매.
- 아세테이트기 또는 타르트레이트기를 갖는 유기 착물화제; 금속염; 및 증류수를 포함하는 제1혼합용액을 제조하는 단계;상기 제1혼합용액에 금속시안염 및 증류수를 공급하여 제2혼합용액을 제조하는 단계;상기 제2혼합용액에 상기 유기 착물화제 및 폴리에테르 화합물을 공급하여 제3혼합용액을 제조하는 단계; 및상기 제3혼합용액을 원심분리하여 침전물을 얻는 단계를 포함하는 이중금속시안염 촉매의 제조방법.
- 제7항에 있어서,상기 침전물을 세척 및 건조하는 단계를 더 포함하는 이중금속시안염 촉매의 제조방법.
- 제7항에 있어서,상기 침전물에 상기 유기 착물화제 및 증류수를 공급하여 제4혼합용액을 제조하는 단계;상기 제4혼합용액에 상기 유기 착물화제 및 상기 폴리에테르 화합물을 공급하여 제5혼합용액을 제조하는 단계;상기 제5혼합용액을 원심분리하여 침전물을 얻는 단계를 더 포함하는 이중금속시안염 촉매의 제조방법.
- 제9항에 있어서,상기 침전물을 세척 및 건조하는 단계를 더 포함하는 이중금속시안염 촉매의 제조방법.
- 제1항 내지 제6항 중 어느 한 항의 이중금속시안염 촉매 하에서,이산화탄소 및 에폭시 화합물을 공중합하여 폴리카보네이트 폴리올을 제조하는 폴리카보네이트 폴리올 제조방법.
- 제11항에 있어서,상기 에폭시 화합물은 탄소수 2 내지 20의 알킬렌 옥사이드, 탄소수 4 내지 20의 시클로알켄 옥사이드 및 탄소수 1 내지 20의 스티렌 옥사이드로 이루어진 군에서 선택된 하나 이상인 폴리카보네이트 폴리올 제조방법.
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| US16/065,787 US10619006B2 (en) | 2015-12-24 | 2016-12-21 | Dual metal cyanide catalyst, preparation method therefor, and method for preparing polycarbonate polyol by using catalyst |
| DE112016006021.1T DE112016006021B4 (de) | 2015-12-24 | 2016-12-21 | Doppelmetallcyanidkatalysator, Herstellungsverfahren dafür und Verfahren zum Herstellen von Polycarbonatpolyetherpolyol unter Verwendung des Katalysators |
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| KR101908864B1 (ko) | 2017-11-02 | 2018-12-10 | 주식회사 포스코 | 이중금속시안염 촉매, 그 제조방법 및 상기 촉매를 이용한 폴리올 제조방법 |
| KR102324285B1 (ko) * | 2020-03-06 | 2021-11-11 | 부산대학교 산학협력단 | 이중금속시안염 촉매, 이의 제조방법 및 폴리올 제조 방법 |
| CN116769150A (zh) * | 2023-06-26 | 2023-09-19 | 中国科学院过程工程研究所 | 一种合成聚酯多元醇的催化剂及其制备方法和用途 |
| CN119143979A (zh) * | 2024-11-19 | 2024-12-17 | 合肥普力先进材料科技有限公司 | 丁二酸型聚碳酸酯聚醚多元醇的生产工艺和鼓泡控制方法 |
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| JP7107841B2 (ja) | 2022-07-27 |
| US10619006B2 (en) | 2020-04-14 |
| JP2019501258A (ja) | 2019-01-17 |
| US20190010284A1 (en) | 2019-01-10 |
| DE112016006021T5 (de) | 2018-09-06 |
| DE112016006021B4 (de) | 2024-12-05 |
| KR101736639B1 (ko) | 2017-05-16 |
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