CN1995031A - Method for synthesizing five ring carbonate using natural reproducible resource - Google Patents
Method for synthesizing five ring carbonate using natural reproducible resource Download PDFInfo
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- CN1995031A CN1995031A CN 200610102310 CN200610102310A CN1995031A CN 1995031 A CN1995031 A CN 1995031A CN 200610102310 CN200610102310 CN 200610102310 CN 200610102310 A CN200610102310 A CN 200610102310A CN 1995031 A CN1995031 A CN 1995031A
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Abstract
The invention discloses a synthesizing method of five-membered ring carbonate through natural regenerating resource, which comprises the following steps: allocating quaternary ammonium salt and lewis acid with molar rate at 14-41; adding in the solvent until dissolving completely to obtain the catalyst solution; adding 2-5mol% epoxy soya oil and 100mol% catalyst in the reactor; aerating carbon dioxide under 2-20 atmosphere pressure at 120-160 deg. c; stirring to react for 20-40 h to obtain the product; extracting the product through acetic ester; washing; dehydrating.
Description
Technical field
The present invention relates to a kind of by natural reproducible resource epoxy soybean oil and CO
2Generate the method for five-membered cyclic carbonate ester.
Technical background
The application of cyclic carbonate is very extensive, is many important source material such as plastics industries such as polycarbonate.Five-membered cyclic carbonate ester is as a member of cyclic carbonate, and it is widely used as monomer, the organic polar solvent of synthetic polymer, intermediate, electrode materials and the biological chemistry material etc. of fine chemicals.Chain the Application Areas of long cyclic carbonate also comprise act as a fuel, lubricating oil, plastics additive etc.Recent years, people also substitute deleterious isocyanate reaction with five-membered cyclic carbonate ester and primary amine class and generate non-isocyanate polyurethane (NIPU).
The tradition of cyclic carbonate is synthetic uses deleterious phosgene, but people are striving to find some eco-friendly non-phosgene synthetic methods always.Wherein, utilize CO
2The cyclic carbonate route that makes with the addition reaction of epoxy compounds is a most successful example.CO
2It is carbon source inexhaustible on the earth; Simultaneously, because industrial constantly to airborne release CO
2, the Greenhouse effect that cause the climate and the eubiosis to change now have been the problem that the whole world is paid close attention to.Therefore, control CO
2Quantity discharged and reinforcement CO
2Development and use are strategic problems that are significant.Current, CO
2Since special chemistry, all respects that physical properties has been applied to productive life, the fixing and activation CO with chemical process
2The report that generates organism or superpolymer is also a lot.
In recent years, be used for epoxy compounds and CO
2The existing report of the catalyzer of synthesizing annular carbonate, wherein: U.S.Pat.2, the author makes catalyzer with KOH in 511,942; People such as Nobuhiro Kihara are at J.Org.Chem.1993, are catalyzer with LiBr in 58,6198; U.S.Pat.5, in 153,333 the author with season phosphonium salt make catalyzer; U.S.Pat.5, the author makes catalyzer with triethylamine and alkylamine in 091,543; People such as Hiroyuki Yasuda are at J.Cat.2002, are catalyzer with SmOCl in 209,547; People such as Jianmin Sun are at Cat.Today 2004,93, and 383 usefulness Tetrabutyl amonium bromides are catalyzer or the like.
More than used raw material all is a petroleum chemicals in the report, in recent years, because oil crisis causes the petroleum chemicals price to rise, and the exhaustion gradually of Nonrenewable resources, the research to renewable resources is all strengthened in countries in the world.Vegetables oil is as a big class of renewable resources, and the research that is applied to alternative Nonrenewable resources through it is extensively carried out.With renewable resources epoxy soybean oil and CO
2Synthesizing annular carbonate also appears in the newspapers: Tamami, J.Appl.Poly.Sci.2004,92,883 and Kenneth M.Doll, Green Chem.2005,7,849, in their work, long reaction times and harsh super critical condition have limited the application of this route, in our research, find, use quaternary ammonium salt and lewis acid as all effectively this reactions of catalysis of catalyzer, but transformation efficiency is not high.
Summary of the invention
The method that the purpose of this invention is to provide the high synthesizing five-membered ring shape carbonic ether of a kind of transformation efficiency.
Preparation method of the present invention is as follows:
(1) be 1: 4～4: 1 with quaternary ammonium salt and lewis acid by quaternary ammonium salt: lewis acid mol ratio, the optimum molar ratio is 4: 1, adds solvent, it is dissolved fully obtain catalyst solution;
(2) epoxy soybean oil and catalyst solution are added in the reactor, add the 2-5mol% of the amount of catalyzer for the epoxy group(ing) of adding epoxy soybean oil, feed carbon dioxide, temperature of reaction is 120 ℃-160 ℃, and reaction pressure is a 2-20 normal atmosphere, obtain product in reaction under the effect of stirring after 20-40 hour, optimal reaction temperature is 120 ℃-140 ℃, and optimum response pressure is 14-20 normal atmosphere, the reaction product ethyl acetate extraction, wash with water then, dehydration promptly gets product.
Aforesaid quaternary ammonium salt comprises Tetrabutyl amonium bromide, tetrabutylammonium chloride, Tetramethylammonium iodide, two C
8-C
10Alkyl-dimethyl ammonium chloride or dodecyl benzyl dimethyl ammonium chloride etc.
Aforesaid lewis acid comprises CaCl
2, MgCl
2, ZnCl
2, CoCl
26H
2O, AlCl
36H
2O, FeCl
3, CuCl
2, SnCl
2, SnCl
45H
2O and NbCl
5Deng.
Aforesaid organic solvent is N, dinethylformamide, N,N-dimethylacetamide, tetrahydrofuran (THF), pyrrolidone or dimethyl sulfoxide (DMSO) etc.
Best in the aforesaid catalyzer is CoCl
26H
2The common catalysis of O and Tetrabutyl amonium bromide, SnCl
4Common catalysis, NbCl with Tetrabutyl amonium bromide
5Common catalysis with Tetrabutyl amonium bromide.
Advantage of the present invention:
The present invention specifically is to use quaternary ammonium salt and lewis acid as co-catalyst concerted catalysis CO
2Generate five-membered cyclic carbonate ester with the epoxy soybean oil cycloaddition.But quaternary ammonium salt and the separately equal catalyzed cycloaddition of lewis acid, but transformation efficiency is all lower, after two kinds of catalyzer were used together, catalytic effect was greatly improved, and the transformation efficiency of 20h can have industrial application value up to more than 92%.Utilize natural reproducible plant resources epoxy soybean oil and CO
2Come synthesizing annular carbonate, quaternary ammonium salt and lewis acid is as the co-catalyst concerted catalysis, is a green, cleaning, the production route of cyclic carbonate efficiently, and method is simple.
Embodiment
Comparative Examples one
3.12g is dissolved in solvent N with the catalyzer Tetrabutyl amonium bromide, behind the N dimethyl formamide, adding a volume of being furnished with magnetic agitation, ventpipe and stopple coupon is in the autoclave of 100ml, account for the epoxy soybean oil of the amount adding 85g of the epoxy group(ing) 3mol% that adds epoxy soybean oil by catalyzer, be warming up to 120 ℃, begin to feed CO
2Gas keeps pressure 10atm, discharging behind the reaction 20h, brown liquid, add the 20g ethyl acetate then and extract, wash with big water gaging, under 90 ℃ of vacuum, dewater product, product is carried out analytical test.The oxirane value of epoxy soybean oil is 0.376, and it is 0.108 that reaction finishes back survey product oxirane value, and transformation efficiency is 71.3%.
Comparative Examples two
With catalyzer CaCl
21.08g be dissolved in solvent N, behind the N dimethyl formamide, adding a volume of being furnished with magnetic agitation, ventpipe and stopple coupon is in the autoclave of 100ml, accounts for the epoxy soybean oil of the amount adding 85g of the epoxy group(ing) 3mol% that adds epoxy soybean oil by catalyzer, be warming up to 140 ℃, begin to feed CO
2Gas keeps pressure 15atm, discharging behind the reaction 30h, brown liquid, add the 20g ethyl acetate then and extract, wash with big water gaging, under 90 ℃ of vacuum, dewater product, product is carried out analytical test.The oxirane value of epoxy soybean oil is 0.376, and it is 0.197 that reaction finishes back survey product oxirane value, and transformation efficiency is 47.6%.
Embodiment one
With catalyzer MgCl
20.31g after being dissolved in solvents tetrahydrofurane with tetrabutylammonium chloride 1.04g (mol ratio is 1: 1), adding a volume of being furnished with magnetic agitation, ventpipe and stopple coupon is in the autoclave of 100ml, account for the epoxy soybean oil of the amount adding 85g of the epoxy group(ing) 2mol% that adds epoxy soybean oil by catalyzer, be warming up to 100 ℃, begin to feed CO
2Gas keeps pressure 2atm, discharging behind the reaction 20h, brown liquid, add the 20g ethyl acetate then and extract, wash with big water gaging, under 90 ℃ of vacuum, dewater product, product is carried out analytical test.The oxirane value of epoxy soybean oil is 0.376, and it is 0.098 that reaction finishes back survey product oxirane value, and transformation efficiency is 73.9%.
Embodiment two
With catalyzer ZnCl
20.88g after being dissolved in the solvent pyrrolidone with Tetrabutyl amonium bromide 1.04g (mol ratio is 2: 1), adding a volume of being furnished with magnetic agitation, ventpipe and stopple coupon is in the autoclave of 100ml, account for the epoxy soybean oil of the amount adding 85g of the epoxy group(ing) 3mol% that adds epoxy soybean oil by catalyzer, be warming up to 120 ℃, begin to feed CO
2Gas keeps pressure 8atm, discharging behind the reaction 20h, brown liquid, add the 20g ethyl acetate and extract, wash with big water gaging, under 90 ℃ of vacuum, dewater product, product is carried out analytical test.The oxirane value of epoxy soybean oil is 0.376, and it is 0.057 that reaction finishes back survey product oxirane value, and transformation efficiency is 84.8%.
Embodiment three
With CATALYST Co Cl
26H
2O0.77g and Tetramethylammonium iodide 2.08g (mol ratio is 1: 2) are dissolved in solvent N, behind the N dimethyl formamide, adding a volume of being furnished with magnetic agitation, ventpipe and stopple coupon is in the autoclave of 100ml, account for the epoxy soybean oil of the amount adding 85g of the epoxy group(ing) 3mol% that adds epoxy soybean oil by catalyzer, be warming up to 140 ℃, begin to feed CO
2Gas keeps pressure 15atm, discharging behind the reaction 30h, brown liquid, add the 20g ethyl acetate and extract, wash with big water gaging, under 90 ℃ of vacuum, dewater product, product is carried out analytical test.The oxirane value of epoxy soybean oil is 0.376, and it is 0.028 that reaction finishes back survey product oxirane value, and transformation efficiency is 92.6%.
Embodiment four
With catalyst A lCl
36H
2O 2.34g and two C
8-C
10After alkyl-dimethyl ammonium chloride 0.99g (mol ratio is 3: 1) is dissolved in the solvent dimethyl sulfoxide (DMSO), adding a volume of being furnished with magnetic agitation, ventpipe and stopple coupon is in the autoclave of 100ml, account for the epoxy soybean oil of the amount adding 85g of the epoxy group(ing) 4mol% that adds epoxy soybean oil by catalyzer, be warming up to 160 ℃, begin to feed CO
2Gas keeps pressure 20atm, discharging behind the reaction 30h, brown liquid, add the 20g ethyl acetate and extract, wash with big water gaging, under 90 ℃ of vacuum, dewater product, product is carried out analytical test.The oxirane value of epoxy soybean oil is 0.376, and it is 0.035 that reaction finishes back survey product oxirane value, and transformation efficiency is 90.7%.
Embodiment five
With catalyst Fe Cl
30.52g be dissolved in solvent N with dodecyl benzyl dimethyl ammonium chloride 1.99g (mol ratio is 1: 3), behind the N dimethyl formamide, adding a volume of being furnished with magnetic agitation, ventpipe and stopple coupon is in the autoclave of 100ml, account for the epoxy soybean oil of the amount adding 85g of the epoxy group(ing) 4mo1% that adds epoxy soybean oil by catalyzer, be warming up to 120 ℃, begin to feed CO
2Gas keeps pressure 10atm, discharging behind the reaction 40h, brown liquid, add the 20g ethyl acetate and extract, wash with big water gaging, under 90 ℃ of vacuum, dewater product, product is carried out analytical test.The oxirane value of epoxy soybean oil is 0.376, and it is 0.038 that reaction finishes back survey product oxirane value, and transformation efficiency is 89.9%.
Embodiment six
With catalyst S nCl
45H
2O 1.13g and Tetrabutyl amonium bromide 3.12g (mol ratio is 1: 4) are dissolved in solvent N, behind the N dimethyl formamide, adding a volume of being furnished with magnetic agitation, ventpipe and stopple coupon is in the autoclave of 100ml, account for the epoxy soybean oil of the amount adding 85g of the epoxy group(ing) 5mol% that adds epoxy soybean oil by catalyzer, be warming up to 140 ℃, begin to feed CO
2Gas keeps pressure 20atm, discharging behind the reaction 40h, brown liquid, add the 20g ethyl acetate and extract, wash with big water gaging, under 90 ℃ of vacuum, dewater product, product is carried out analytical test.The oxirane value of epoxy soybean oil is 0.376, and it is 0.033 that reaction finishes back survey product oxirane value, and transformation efficiency is 91.2%.
Embodiment seven
With catalyst n bCl
53.49g be dissolved in solvent N with tetrabutylammonium chloride 1.04g (mol ratio is 4: 1), behind the N dimethyl formamide, adding a volume of being furnished with magnetic agitation, ventpipe and stopple coupon is in the autoclave of 100ml, account for the epoxy soybean oil of the amount adding 85g of the epoxy group(ing) 5mol% that adds epoxy soybean oil by catalyzer, be warming up to 160 ℃, begin to feed CO
2Gas keeps pressure 20atm, discharging behind the reaction 40h, brown liquid, add the 20g ethyl acetate and extract, wash with big water gaging, under 90 ℃ of vacuum, dewater product, product is carried out analytical test.The oxirane value of epoxy soybean oil is 0.376, and it is 0.029 that reaction finishes back survey product oxirane value, and transformation efficiency is 92.3%.
Claims (7)
1, a kind of method of using natural reproducible resource synthesizing five-membered ring shape carbonic ether is characterized in that comprising the steps:
(1) is 1: 4～4: 1 with quaternary ammonium salt and lewis acid by quaternary ammonium salt: lewis acid mol ratio, adds solvent, it is dissolved fully obtain catalyst solution;
(2) epoxy soybean oil and catalyst solution are added in the reactor, add the 2-5mol% of the amount of catalyzer for the epoxy group(ing) of adding epoxy soybean oil, feed carbon dioxide, temperature of reaction is 120 ℃-160 ℃, reaction pressure is a 2-20 normal atmosphere, obtains product, the reaction product ethyl acetate extraction in reaction under the effect of stirring after 20-40 hour, wash with water then, dehydration promptly gets product.
2, a kind of method of using natural reproducible resource synthesizing five-membered ring shape carbonic ether as claimed in claim 1 is characterized in that described quaternary ammonium salt comprises Tetrabutyl amonium bromide, tetrabutylammonium chloride, Tetramethylammonium iodide, two C
8-C
10Alkyl-dimethyl ammonium chloride or dodecyl benzyl dimethyl ammonium chloride.
3, a kind of method of using natural reproducible resource synthesizing five-membered ring shape carbonic ether as claimed in claim 1 is characterized in that described lewis acid is CaCl
2, MgCl
2, ZnCl
2, CoCl
26H
2O, AlCl
36H
2O, FeCl
3, CuCl
2, SnCl
2, SnCl
45H
2O or NbCl
5
4, a kind of method of using natural reproducible resource synthesizing five-membered ring shape carbonic ether as claimed in claim 1, it is characterized in that described organic solvent is N, dinethylformamide, N,N-dimethylacetamide, tetrahydrofuran (THF), pyrrolidone or dimethyl sulfoxide (DMSO).
5, a kind of method of using natural reproducible resource synthesizing five-membered ring shape carbonic ether as claimed in claim 1 is characterized in that quaternary ammonium salt: lewis acid mol ratio is 4: 1.
6, a kind of method of using natural reproducible resource synthesizing five-membered ring shape carbonic ether as claimed in claim 1 is characterized in that temperature of reaction is 120 ℃-140 ℃, and reaction pressure is a 14-20 normal atmosphere.
7, a kind of method of using natural reproducible resource synthesizing five-membered ring shape carbonic ether as claimed in claim 1 is characterized in that described catalyzer is CoCl
26H
2The common catalysis of O and Tetrabutyl amonium bromide, SnCl
4Common catalysis, NbCl with Tetrabutyl amonium bromide
5Common catalysis with Tetrabutyl amonium bromide.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464647A (en) * | 2010-11-16 | 2012-05-23 | 中国科学院兰州化学物理研究所 | Synthesis method of five-membered cyclic carbonate |
| CN103173291A (en) * | 2013-04-07 | 2013-06-26 | 中国科学院新疆理化技术研究所 | Method for preparing cottonseed oil carbonic ester lubricating base oil by using carbon dioxide |
| CN103752344A (en) * | 2013-12-29 | 2014-04-30 | 哈尔滨工业大学 | Simple and high-activity catalyst for cyclic carbonate synthesized from CO2 and epoxide and method for synthesizing cyclic carbonate |
| CN104826659A (en) * | 2015-04-17 | 2015-08-12 | 南开大学 | Preparation method and applications of copper cluster catalyst Cu<6>(mu<4>-O)<2>(SO<4>)<4>(DMA)<6> |
| CN112979988A (en) * | 2021-03-30 | 2021-06-18 | 北京林业大学 | Preparation of epoxidized lignin and application method thereof in preparation of carbonic ester |
| CN114031814A (en) * | 2021-11-10 | 2022-02-11 | 华中科技大学 | Plasticizer for biodegradable polyester, and preparation method and application thereof |
| CN115160552A (en) * | 2022-07-15 | 2022-10-11 | 上海抚佳精细化工有限公司 | Carbon dioxide modified epoxidized soybean oil polyol and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE4030283A1 (en) * | 1990-09-25 | 1992-03-26 | Ruetgerswerke Ag | PROCESS FOR PREPARING CYCLIC CARBONATE |
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2006
- 2006-12-20 CN CNB200610102310XA patent/CN100439355C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464647A (en) * | 2010-11-16 | 2012-05-23 | 中国科学院兰州化学物理研究所 | Synthesis method of five-membered cyclic carbonate |
| CN103173291A (en) * | 2013-04-07 | 2013-06-26 | 中国科学院新疆理化技术研究所 | Method for preparing cottonseed oil carbonic ester lubricating base oil by using carbon dioxide |
| CN103752344A (en) * | 2013-12-29 | 2014-04-30 | 哈尔滨工业大学 | Simple and high-activity catalyst for cyclic carbonate synthesized from CO2 and epoxide and method for synthesizing cyclic carbonate |
| CN104826659A (en) * | 2015-04-17 | 2015-08-12 | 南开大学 | Preparation method and applications of copper cluster catalyst Cu<6>(mu<4>-O)<2>(SO<4>)<4>(DMA)<6> |
| CN112979988A (en) * | 2021-03-30 | 2021-06-18 | 北京林业大学 | Preparation of epoxidized lignin and application method thereof in preparation of carbonic ester |
| CN114031814A (en) * | 2021-11-10 | 2022-02-11 | 华中科技大学 | Plasticizer for biodegradable polyester, and preparation method and application thereof |
| CN115160552A (en) * | 2022-07-15 | 2022-10-11 | 上海抚佳精细化工有限公司 | Carbon dioxide modified epoxidized soybean oil polyol and preparation method thereof |
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