CN102190648A - Method for synthesizing cyclic carbonate by using carbon dioxide and epoxide - Google Patents
Method for synthesizing cyclic carbonate by using carbon dioxide and epoxide Download PDFInfo
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- CN102190648A CN102190648A CN2011100629791A CN201110062979A CN102190648A CN 102190648 A CN102190648 A CN 102190648A CN 2011100629791 A CN2011100629791 A CN 2011100629791A CN 201110062979 A CN201110062979 A CN 201110062979A CN 102190648 A CN102190648 A CN 102190648A
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- epoxide
- carbonic acid
- acid gas
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Abstract
The invention relates to a method for synthesizing cyclic carbonate by using carbon dioxide and epoxide. The method is characterized in that the cyclic carbonate with high yield is synthesized by taking metal molybdate as a catalyst and organic quaternary ammonium salt or alkali metal halide as a catalyst accelerator under the conditions that the initial pressure of the carbon dioxide is 0.1-10MPa, the reaction temperature is 40-140DEG C, the reaction time is 0.1-5h and the consumption of the catalyst is 0.01-3mol percent that of the epoxide. The method has the characteristics of mild reaction conditions, short reaction time, high yield of products, low consumption of the catalyst, and the like; and the method can be repeatedly used for multiple times.
Description
Technical field
The present invention relates to a kind of is the raw material method for cyclic carbonates with carbonic acid gas and epoxide.
Background technology
At present, to carbonic acid gas (CO
2) trans-utilization become the focus of global common concern.Reported about CO
2Path for transformation a lot, but because CO
2Molecule self is very stable, is difficult to react with other material, therefore with CO
2The operational path of realizing suitability for industrialized production for raw material seldom.And by CO
2With the route of epoxide synthesizing annular carbonate just one of them.
With propylene carbonate/NSC 11801 is that the cyclic carbonate of representative is the high boiling point polar organic solvent of excellent property, is widely used in weaving, the carbonic acid gas (CO in battery, makeup, gas delivery and Sweet natural gas and the syngas for synthetic ammonia
2) and the fields such as absorption of hydrogen sulfide.It also is a kind of important organic chemicals, is used to prepare polycarbonate and fine chemical product.The synthetic method of cyclic carbonate mainly comprises phosgenation, ester-interchange method, alcoholysis of urea, CO
2With epoxide cycloaddition reaction method etc.CO wherein
2With epoxide cycloaddition reaction synthesizing annular carbonate be the reaction of typical Atom economy, meet the developing direction of Green Chemistry, its research and development are subjected to extensive attention.
Present report about CO
2A lot of with the catalyzer of epoxide synthesizing annular carbonate, mainly contain (A.A.G.Shaikh such as quaternary amine, alkali metal halide, organophosphorated salt, ionic liquid, transition metal complex, metal oxide, molecular sieve, load type metal halogenide, load type gold metal complex, et al., Chem.Rev., 96 (1996), 951; T.Sakakura, et al., Chem.Rev., 107 (2007), 2365; T.Sakakura, et al., Chem.Commun., 2009,1312; K.Yamaguchi, et al., J.Am.Chem.Soc., 121 (1999) 4526; M.Shi, J.-W.Huang, J.Org.Chem., 68 (2003), 6705; V.Calo, A.Nacci, et al., Org.Lett., 4 (2002), 2561; K.Mori, et al., Chem.Comm., 2005,3331; S.Udayakumar, et al., Cata.Commun., 10 (2009), 659; B.M.Bhanage, et al., Green Chem., 5 (2003), 71. Deng You congruences, CN1343668; Yang Caihong etc., CN1424147; Lv Xiaobing etc., CN1189246).Though some homogeneous catalyst activity are higher, exist and the difficult isolating defective of product.In recent years, software engineering researchers invent some under the quaternary ammonium salt existence condition, the heterogeneous catalyst that this reaction is had greater activity is as MOF-5 (B.X.Han, Green Chem., 11 (2009), 1031), Zn
3[Co (CN)
6]
2(D.-W.Park, Green Chem., 11 (2009), 1754) and P
2W
17Co (H.J.Zhai, Catal.Commun., 8 (2007), 1027) etc.Yet, in this type of catalystic converter system the quaternary ammonium salt usage quantity big (＞1mol%), far exceeded industrial general usage quantity (0.1～0.3mol%).Therefore, develop a kind of under the condition of less quaternary ammonium salt usage quantity, have high catalytic activity and selectivity, reaction conditions gentleness, heterogeneous catalyst that reusability is good, and be applied to carbonic acid gas and the epoxide synthesizing annular carbonate has crucial meaning.
Summary of the invention
The present invention aim to provide a kind of under gentle relatively condition two-forty, high yield by carbonic acid gas and epoxide method for cyclic carbonates.
Method of the present invention, it is characterized in that with the metal molybdate being catalyzer, organic quaternary ammonium salt or alkali metal halide are promotor, catalyst levels is the 0.0l～3mol% of epoxide, 40～140 ℃ of temperature of reaction, carbonic acid gas original pressure 0.1～10MPa, reaction times 0.1～5h.
Catalyst metal molybdate of the present invention is a kind of in zinc molybdate, cobalt molybdate and the bismuth molybdate.
The chemical formula of promotor organic quaternary ammonium salt of the present invention is (C
nH
2n+1)
4NX, wherein, n=1～12, X is Cl, Br, I.
Promotor alkali metal halide of the present invention is a kind of in potassiumiodide, sodium iodide, lithium iodide, Potassium Bromide, Sodium Bromide, lithiumbromide, the lithium chloride.
The consumption of promotor of the present invention is 10～300mol% of catalyzer.
The structure of raw material epoxide of the present invention is:
It is a kind of by carbonic acid gas and epoxide method for cyclic carbonates that the present invention proposes, and its typical technology scheme is:
Raw material epoxide, zinc molybdate catalyzer, Tetrabutyl amonium bromide promotor are added and have in 250 milliliters of autoclaves of mechanical stirring and temperature control heating unit, use CO
2Behind the air three times, charge into CO in the gas replacement reaction kettle
2To 2.0MPa, stir and be warming up to 120 ℃, behind the reaction 1h, stop to stir, be cooled to room temperature, the unreacted CO of emptying
2Gas, still liquid promptly gets the product propylene carbonate through fractionation by distillation.
The present invention has the following advantages:
Good, the preparation of the catalyst activity height of Shi Yonging, selectivity simply, easily separate with product, repeat performance is good etc.;
2. reaction conditions gentleness, process are easy;
3. catalyst system is simple relatively.
Embodiment
Further specify the present invention below by embodiment, but enforcement of the present invention is not limited to following examples:
Embodiment 1:
Propylene oxide (29g), zinc molybdate catalyzer (0.130g), Tetrabutyl amonium bromide promotor (0.241g) are added and have in the autoclave of mechanical stirring and temperature control heating unit.Sealed reactor is used CO
2Air is 3 times in the displacement still, charges into CO then in reactor
2To original pressure be 2.0MPa, be warming up to 120 ℃, the reaction 1h.Reactor is cooled to room temperature, through underpressure distillation separate the product propylene carbonate.Adopt GC-MS (HP 6890/5973) to carry out qualitative analysis, (analytical instrument company in Shanghai GC-112A) finishes by GC in quantitative analysis.Raw material propylene oxide transformation efficiency and product propylene carbonate selectivity see Table 1.
Embodiment 2:
Propylene oxide (29g), zinc molybdate catalyzer (0.130g), Tetrabutyl amonium bromide promotor (0.161g) are added and have in the autoclave of mechanical stirring and temperature control heating unit.Sealed reactor is used CO
2Air is 3 times in the displacement still, charges into CO then in reactor
2To original pressure be 2.0MPa, be warming up to 120 ℃, the reaction 1.5h.Reactor is cooled to room temperature, through underpressure distillation separate the product propylene carbonate.Adopt GC-MS (HP 6890/5973) to carry out qualitative analysis, (analytical instrument company in Shanghai GC-112A) finishes by GC in quantitative analysis.Raw material propylene oxide transformation efficiency and product propylene carbonate selectivity see Table 1.
Embodiment 3:
Propylene oxide (29g), zinc molybdate catalyzer (0.130g), Tetrabutyl amonium bromide promotor (0.323g) are added and have in the autoclave of mechanical stirring and temperature control heating unit.Sealed reactor is used CO
2Air is 3 times in the displacement still, charges into CO then in reactor
2To original pressure be 2.0MPa, be warming up to 120 ℃, the reaction 0.5h.Reactor is cooled to room temperature, through underpressure distillation separate the product propylene carbonate.Adopt GC-MS (HP 6890/5973) to carry out qualitative analysis, (analytical instrument company in Shanghai GC-112A) finishes by GC in quantitative analysis.Raw material propylene oxide transformation efficiency and product propylene carbonate selectivity see Table 1.
Embodiment 4:
Propylene oxide (29g), zinc molybdate catalyzer (0.013g), Tetrabutyl amonium bromide promotor (0.241g) are added and have in the autoclave of mechanical stirring and temperature control heating unit.Sealed reactor is used CO
2Air is 3 times in the displacement still, charges into CO then in reactor
2To original pressure be 2.0MPa, be warming up to 120 ℃, the reaction 2h.Reactor is cooled to room temperature, through underpressure distillation separate the product propylene carbonate.Adopt GC-MS (HP 6890/5973) to carry out qualitative analysis, (analytical instrument company in Shanghai GC-112A) finishes by GC in quantitative analysis.Raw material propylene oxide transformation efficiency and product propylene carbonate selectivity see Table 1.
Embodiment 5:
Propylene oxide (29g), cobalt molybdate catalyst (0.130g), Tetrabutyl amonium bromide promotor (0.241g) are added and have in the autoclave of mechanical stirring and temperature control heating unit.Sealed reactor is used CO
2Air is 3 times in the displacement still, charges into CO then in reactor
2To original pressure be 2.0MPa, be warming up to 120 ℃, the reaction 3h.Reactor is cooled to room temperature, through underpressure distillation separate the product propylene carbonate.Adopt GC-MS (HP 6890/5973) to carry out qualitative analysis, (analytical instrument company in Shanghai GC-112A) finishes by GC in quantitative analysis.Raw material propylene oxide transformation efficiency and product propylene carbonate selectivity see Table 1.
Embodiment 6:
Propylene oxide (29g), bismuth molybdate catalysts (0.130g), Tetrabutyl amonium bromide promotor (0.241g) are added and have in the autoclave of mechanical stirring and temperature control heating unit.Sealed reactor is used CO
2Air is 3 times in the displacement still, charges into CO then in reactor
2To original pressure be 2.0MPa, be warming up to 120 ℃, the reaction 3h.Reactor is cooled to room temperature, through underpressure distillation separate the product propylene carbonate.Adopt GC-MS (HP 6890/5973) to carry out qualitative analysis, (analytical instrument company in Shanghai GC-112A) finishes by GC in quantitative analysis.Raw material propylene oxide transformation efficiency and product propylene carbonate selectivity see Table 1.
Embodiment 7:
Epoxy chloropropane (47g), zinc molybdate catalyzer (0.130g), Tetrabutyl amonium bromide promotor (0.241g) are added and have in the autoclave of mechanical stirring and temperature control heating unit.Sealed reactor is used CO
2Air is 3 times in the displacement still, charges into CO then in reactor
2To original pressure be 2.0MPa, be warming up to 80 ℃, the reaction 0.5h.Reactor is cooled to room temperature, through underpressure distillation separate product chloromethyl NSC 11801.Adopt GC-MS (HP 6890/5973) to carry out qualitative analysis, (analytical instrument company in Shanghai GC-112A) finishes by GC in quantitative analysis.Raw material epoxy chloropropane transformation efficiency and product chloromethyl NSC 11801 selectivity see Table 1.
Embodiment 8:
Phenyl ethylene oxide (60g), zinc molybdate catalyzer (0.130g), Tetrabutyl amonium bromide promotor (0.241g) are added and have in the autoclave of mechanical stirring and temperature control heating unit.Sealed reactor is used CO
2Air is 3 times in the displacement still, charges into CO then in reactor
2To original pressure be 2.0MPa, be warming up to 120 ℃, the reaction 1.5h.Reactor is cooled to room temperature, through underpressure distillation separate product phenyl-carbonic acid vinyl acetate.Adopt GC-MS (HP 6890/5973) to carry out qualitative analysis, (analytical instrument company in Shanghai GC-112A) finishes by GC in quantitative analysis.Raw material phenyl ethylene oxide transformation efficiency and product phenyl-carbonic acid vinyl acetate selectivity see Table 1.
Embodiment 9:
Propylene oxide (29g), zinc molybdate catalyzer (0.130g), tetrabutylammonium chloride promotor (0.213g) are added and have in the autoclave of mechanical stirring and temperature control heating unit.Sealed reactor is used CO
2Air is 3 times in the displacement still, charges into CO then in reactor
2To original pressure be 2.0MPa, be warming up to 120 ℃, the reaction 2h.Reactor is cooled to room temperature, through underpressure distillation separate the product propylene carbonate.Adopt GC-MS (HP 6890/5973) to carry out qualitative analysis, (analytical instrument company in Shanghai GC-112A) finishes by GC in quantitative analysis.Raw material propylene oxide transformation efficiency and product propylene carbonate selectivity see Table 1.
Embodiment 10:
Propylene oxide (29g), zinc molybdate catalyzer (0.130g), tetrabutylammonium iodide promotor (0.275g) are added and have in the autoclave of mechanical stirring and temperature control heating unit.Sealed reactor is used CO
2Air is 3 times in the displacement still, charges into CO then in reactor
2To original pressure be 2.0MPa, be warming up to 120 ℃, the reaction 1h.Reactor is cooled to room temperature, through underpressure distillation separate the product propylene carbonate.Adopt GC-MS (HP 6890/5973) to carry out qualitative analysis, (analytical instrument company in Shanghai GC-112A) finishes by GC in quantitative analysis.Raw material propylene oxide transformation efficiency and product propylene carbonate selectivity see Table 1.
Embodiment 11:
Propylene oxide (29g), zinc molybdate catalyzer (0.130g), tetraethylammonium bromide promotor (0.241g) are added and have in the autoclave of mechanical stirring and temperature control heating unit.Sealed reactor is used CO
2Air is 3 times in the displacement still, charges into CO then in reactor
2To original pressure be 2.0MPa, be warming up to 120 ℃, the reaction 1h.Reactor is cooled to room temperature, through underpressure distillation separate the product propylene carbonate.Adopt GC-MS (HP 6890/5973) to carry out qualitative analysis, (analytical instrument company in Shanghai GC-112A) finishes by GC in quantitative analysis.Raw material propylene oxide transformation efficiency and product propylene carbonate selectivity see Table 1.
Embodiment 12:
Propylene oxide (29g), zinc molybdate catalyzer (0.130g), potassiumiodide promotor (0.155g) are added and have in the autoclave of mechanical stirring and temperature control heating unit.Sealed reactor is used CO
2Air is 3 times in the displacement still, charges into CO then in reactor
2To original pressure be 2.0MPa, be warming up to 100 ℃, the reaction 1h.Reactor is cooled to room temperature, through underpressure distillation separate the product propylene carbonate.Adopt GC-MS (HP 6890/5973) to carry out qualitative analysis, (analytical instrument company in Shanghai GC-112A) finishes by GC in quantitative analysis.Raw material propylene oxide transformation efficiency and product propylene carbonate selectivity see Table 1.
Embodiment 13:
Zinc molybdate catalyzer among the embodiment 1 of reaction back is separated through simple filtration, be used for catalysis carbonic acid gas and propylene oxide synthesizing acrylic ester once more, other reaction conditions is with embodiment 1.Raw material propylene oxide transformation efficiency and product propylene carbonate selectivity see Table 1.
Embodiment 14:
Zinc molybdate catalyzer among the embodiment 13 of reaction back is separated through simple transition, be used for catalysis carbonic acid gas and propylene oxide synthesizing acrylic ester for the third time, other reaction conditions is with embodiment 1.Raw material propylene oxide transformation efficiency and product propylene carbonate selectivity see Table 1.
Table 1
Claims (6)
1. carbonic acid gas and epoxide method for cyclic carbonates, it is characterized in that with the metal molybdate being catalyzer, organic quaternary ammonium salt or alkali metal halide are promotor, catalyst levels is 0.01～3mol% of epoxide, 40～140 ℃ of temperature of reaction, carbonic acid gas original pressure 0.1～10MPa, reaction times 0.1～5h.
2. a kind of carbonic acid gas according to claim 1 and epoxide method for cyclic carbonates is characterized in that the catalyst metal molybdate is a kind of in zinc molybdate, cobalt molybdate and the bismuth molybdate.
3. a kind of carbonic acid gas according to claim 1 and epoxide method for cyclic carbonates, the chemical formula that it is characterized in that the promotor organic quaternary ammonium salt is (C
nH
2n+1)
4NX, wherein, n=1～12, X is Cl, Br or I.
4. a kind of carbonic acid gas according to claim 1 and epoxide method for cyclic carbonates is characterized in that the promotor alkali metal halide is a kind of in potassiumiodide, sodium iodide, lithium iodide, Potassium Bromide, Sodium Bromide, lithiumbromide, the lithium chloride.
5. a kind of carbonic acid gas according to claim 1 and epoxide method for cyclic carbonates, the consumption that it is characterized in that promotor is 10～300mol% of catalyzer.
6. a kind of carbonic acid gas according to claim 1 and epoxide method for cyclic carbonates is characterized in that the structure of raw material epoxide is:
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105294643A (en) * | 2014-07-24 | 2016-02-03 | 中国石油化工股份有限公司 | Catalyst and method for preparing ethylene carbonate from oxirane and carbon dioxide |
| CN107915711A (en) * | 2016-10-08 | 2018-04-17 | 中国石油化工股份有限公司 | method for synthesizing ethylene carbonate |
| CN111233816A (en) * | 2020-03-31 | 2020-06-05 | 南京工业大学 | Preparation method of cyclic carbonate |
| CN111253360A (en) * | 2020-03-31 | 2020-06-09 | 南京工业大学 | Preparation method of cyclic carbonate |
| CN112495441A (en) * | 2020-11-27 | 2021-03-16 | 华南理工大学 | Cerium dioxide coated ZIF-67 catalyst for synthesizing cyclic carbonate and preparation thereof |
| CN112980082A (en) * | 2021-03-22 | 2021-06-18 | 浙江地球管业有限公司 | Socket joint type polyethylene solid wall drain pipe |
| CN114917892A (en) * | 2022-06-07 | 2022-08-19 | 中国科学技术大学 | Preparation method of carbon-based metal monatomic catalyst in carbon dioxide cycloaddition reaction |
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| JPH07206847A (en) * | 1994-01-19 | 1995-08-08 | Mitsui Toatsu Chem Inc | Production of alkylene carbonate |
| CN1343668A (en) * | 2001-10-10 | 2002-04-10 | 中国科学院兰州化学物理研究所 | Process for synthesizing cyclic carbonate |
-
2011
- 2011-03-08 CN CN2011100629791A patent/CN102190648A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07206847A (en) * | 1994-01-19 | 1995-08-08 | Mitsui Toatsu Chem Inc | Production of alkylene carbonate |
| CN1343668A (en) * | 2001-10-10 | 2002-04-10 | 中国科学院兰州化学物理研究所 | Process for synthesizing cyclic carbonate |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105294643A (en) * | 2014-07-24 | 2016-02-03 | 中国石油化工股份有限公司 | Catalyst and method for preparing ethylene carbonate from oxirane and carbon dioxide |
| CN105294643B (en) * | 2014-07-24 | 2018-07-13 | 中国石油化工股份有限公司 | Ethylene oxide and carbon dioxide prepare the catalyst and its method of ethylene carbonate |
| CN107915711A (en) * | 2016-10-08 | 2018-04-17 | 中国石油化工股份有限公司 | method for synthesizing ethylene carbonate |
| CN107915711B (en) * | 2016-10-08 | 2020-10-30 | 中国石油化工股份有限公司 | Method for synthesizing ethylene carbonate |
| CN111233816A (en) * | 2020-03-31 | 2020-06-05 | 南京工业大学 | Preparation method of cyclic carbonate |
| CN111253360A (en) * | 2020-03-31 | 2020-06-09 | 南京工业大学 | Preparation method of cyclic carbonate |
| CN111233816B (en) * | 2020-03-31 | 2023-03-24 | 南京工业大学 | Preparation method of cyclic carbonate |
| CN112495441A (en) * | 2020-11-27 | 2021-03-16 | 华南理工大学 | Cerium dioxide coated ZIF-67 catalyst for synthesizing cyclic carbonate and preparation thereof |
| CN112980082A (en) * | 2021-03-22 | 2021-06-18 | 浙江地球管业有限公司 | Socket joint type polyethylene solid wall drain pipe |
| CN112980082B (en) * | 2021-03-22 | 2022-05-10 | 浙江地球管业有限公司 | Socket joint type polyethylene solid wall drain pipe |
| CN114917892A (en) * | 2022-06-07 | 2022-08-19 | 中国科学技术大学 | Preparation method of carbon-based metal monatomic catalyst in carbon dioxide cycloaddition reaction |
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Application publication date: 20110921 |