CN108192058A - A kind of multistage pore polymer, preparation and the application in absorption and/or chemical recycling of carbon dioxide - Google Patents
A kind of multistage pore polymer, preparation and the application in absorption and/or chemical recycling of carbon dioxide Download PDFInfo
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- CN108192058A CN108192058A CN201711498186.8A CN201711498186A CN108192058A CN 108192058 A CN108192058 A CN 108192058A CN 201711498186 A CN201711498186 A CN 201711498186A CN 108192058 A CN108192058 A CN 108192058A
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
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Abstract
The invention discloses a kind of multistage pore polymers.The invention also discloses the preparation methods of the multistage pore polymer；And for the application in adsorbed gas；In addition, the invention also discloses a kind of by the multistage pore polymer and metallic ion coordination, the obtained polymer matrix catalyst with catalytic activity.For example, catalysis carbon dioxide and epoxide cyclization.The polymer of the present invention is used for the selective absorption of carbon dioxide using triazine ring as close carbon dioxide group, and under 273K, the adsorbance of carbon dioxide reaches 7.9wt%.The polymer effectively in the duct of polymer, can promote the conversion of carbon dioxide by carbon dioxide-enriched molecule.The present invention is prepared for polymer matrix catalyst, and as the catalyst of carbon dioxide conversion carbonats compound, 99% is up to the catalytic conversion of propylene oxide and carbon dioxide cyclization using polymer and the coordination of zinc ion.The polymer and its metal complex can be widely applied to trapping and the catalyzed conversion of carbon dioxide.
Description
Technical field
The present invention relates to organic polymer applied technical fields, and in particular to a kind of multi-stage porous containing triazine ring has
The preparation of machine polymer and its application of the trapping of carbon dioxide and conversion.
Background technology
In the past few decades, the excess emissions of carbon dioxide result in the problem of warming of the whole world.It also results in this way
The problem of a lot of other, such as extreme weather, acid rain etc..On the other hand, carbon dioxide is due to its cheap price, extensive
Source and nontoxic can be used as C1 chemical units, be converted into useful fine chemicals and chemical dye.Therefore, in order to solve
Global Greenhouse Effect and resource using changing the problems such as.The trapping and conversion of carbon dioxide have been to be concerned by more and more people.
The trapping and conversion of carbon dioxide are directed to, many porous materials are applied to the field.For example zeolite, metal have
Machine frame, porous carbon materials etc. (Chem.Rev., 2014,114：1413-1492).And for porous organic polymer material, by
In its chemical stability and modifiability, also increasingly attract attention in the trapping of carbon dioxide and conversion field
(Chem.Soc.Rev., 2011,40：3703-3727).The abundant pore structure of porous organic polymer can provide carbon dioxide
Trapping and the place of conversion.And organic polymer can introduce close carbon dioxide group (Green.Chem., 2016,18：
5248-5253), enhancing and the interaction force of carbon dioxide, so as to improve its carbon dioxide adsorption capacity.Organic polymer
The conversion that co-ordinating functionality's coordination of metal ion is used for carbon dioxide as active site can be quoted
(Angew.Chem.Int.Ed., 2016,55：9685-9689).The pore structure and active site of organic polymer combine can
To build collecting carbonic anhydride and conversion integrated reacting device.This has positive meaning for effective utilize of carbon dioxide
Justice.
The Chinese patent literature of Publication No. CN106882783A discloses a kind of nitrogenous sulphur multi-stage porous charcoal of Solid phase synthesis
Method, using amino-containing fragrant cyclics and aldehyde containing aromatic ring as raw material, pass through the schiff bases chemistry between amino and aldehyde radical
Reaction, prepares nitrogenous, sulphur polymer；Gas-solid between the hydrocarbon and lithia that are generated during Polymer-pyrolysis is opposite
Lithium carbonate should can be generated, as the template for preparing porous carbon material, remove template through pickling is the lithium carbonate of reaction in-situ generation
Nitrogenous, sulfur heteroatom cellular multi-stage artery structure Carbon Materials can be prepared.
The Chinese patent literature of Publication No. CN105837771A discloses a kind of preparation of coralliform porous adsorption resin
Technique, it is characterised in that include the following steps：Using the monomer first and monomer second that can be copolymerized as raw material, finding two kinds has not
Same polarity but miscible solvent, reaction monomers first and second are dissolved, be then mixed respectively, after forming mixed solution
Appropriate catalyst is added in, under certain reaction temperature, polymer is self-assembly of coralliform in polymerization process
Porous resin；After reaction, washing is interacted to product with eluting solvent using ultrasound/centrifugal method, then in constant temperature
It is dried in air dry oven with certain drying temperature, obtains coralliform porous adsorption resin.
In current material, most of material with efficient absorption ability typically receives hole using its a high proportion of micropore
Architectural characteristic, but transmitted since micropore nano pore structure is unfavorable for substance, limit its answering on catalysis transform of carbon dioxide
With.On the other hand, while there is a high proportion of mesoporous and macroporous structure material, although its substance delivery rate can be promoted,
Its adsorption capacity is poor.
Invention content
To solve technical problem of the existing technology, an object of the present disclosure is, provides a kind of multistage pore polymer
(this invention simply if referred to as TFM), it is desirable to provide a kind of containing abundant balancing micro vents and mesoporous multistage pore polymer.
Second purpose of the invention is, provides the preparation method of the multistage pore polymer.
Third purpose of the present invention is, provides the multistage pore polymer in captured gas, particularly in trapping dioxy
Change the application in carbon.
4th purpose of the invention is that the coordination of metal ion in the multistage pore polymer is made and can be used for trapping
And/or the polymer matrix catalyst of chemical recycling of carbon dioxide.
5th purpose of the invention is, provides a kind of polymer matrix catalyst for being catalyzed the cyclization of carbon dioxide.
7th purpose of the invention is, provides a kind of preparation method of the carbon dioxide cyclization catalyst.
6th purpose of the invention is, provides a kind of application process of the carbon dioxide cyclization catalyst.
A kind of multistage pore polymer, has the constitutional repeating unit described in formula 1：
R1、R2、R3It is-NO alone2, amino, primary amine groups, CHO ,-CH3、-H、-OH、-COOH、C1~C6Alkyl ,-F ,-
Any one in Br ,-Cl ,-I.
Material of the present invention has abundant micropore and mesoporous structure, and can introduce other active function groups,
The type more to interact can be enriched, enhances its adsorption capacity.
R1、R2、R3In, the C1~C6Alkyl for carbon number 1~6 alkyl, contain unsaturated double-bond or three keys
Group；Either three keys can directly with phenyl ring be connected or not be connected directly the unsaturated double-bond.
Preferably, the R1、R2、R3It is amino ,-CHO or-H alone.
Further preferably, R1、R2、R3For H.
Preferred multistage pore polymer has the polymer segments of formula 1-A：
The multistage pore polymer has the microcellular structure and meso-hole structure of balance.
The multistage pore polymer has the microcellular structure and meso-hole structure of balance, wherein, microcellular structure content is 35
~45%, surplus is meso-hole structure.Changing preferred multistage pore polymer has the micropore of balance and mesoporous, which has good
Absorption property and gas trapping ability.
Further preferably, multistage pore polymer of the present invention, microcellular structure content are 41.2%；Meso-hole structure content
It is 58.8%.
In structure of the present invention, containing triazine segment and aldehyde radical phenyl amine, there are three reaction sites for tool, existing
For multistage pore polymer mostly using 1~2 site, the reaction site of the multistage pore polymer of the application is more, is embodied in polymerization
In object, having has carbon dioxide higher adsorption activity；In addition, the aldehyde of the present invention is using aldehyde radical phenyl amine, central atom
It is C or O (two sites) compared to central atom for N；There can be higher carbon dioxide adsorption ability.
In addition, the multistage pore polymer of the present invention, compared to existing multistage pore polymer, has high nitrogen content,
Middle triazine ring shows the activity of the efficiently opposite effect with carbon dioxide.
The present invention also provides a kind of preparation method of the multistage pore polymer, 3 structures of monomer and formula of 2 structure of formula
Monomer be dispersed in polymer solvent, polymerisation is carried out under protective atmosphere, through separation of solid and liquid, washing, dry after reaction structure
It is dry to obtain the final product；
Preparation method of the present invention using the monomer of formula 2 and three aldehyde radical derivatives of formula 3, passes through schiff base reaction
It is condensed into multi-stage porous organic polymer (the multi-stage porous organic polymer prepared by schiff base reaction containing triazine ring)；The multistage
Pore polymer has abundant micropore and meso-hole structure, can be applied to gas, such as the trapping of carbon dioxide.It is in addition, described
Porous polymer is since it enriches nitrogen-containing functional group, easy coordination of metal ion, the multi-stage porous polymerization after metallic ion coordination
Object can be used as polymer matrix, for trapping simultaneously chemical recycling of carbon dioxide.The present invention provides a kind of collection collecting carbonic anhydride and conversions
Integrated organic polymer；The microcellular structure of wherein organic polymer provides the absorption place of carbon dioxide, meso-hole structure
In provide reaction substrate and reaction product transmission channels.
Preferably, 3 structures alone of formula, preferably with formula 3-A structures：
In formula 3-A, R1、R2、R3It is amino ,-CHO or-H alone.
Work as R1、R2、R3During for-H, multistage pore polymer (TFM) the synthetic line square formula 1 of the invention represented：
The mole of formula 2 and formula 3 can be that theoretical molar amount or a certain monomer therein are excessive.
Preferably, the molar ratio of the monomer of 3 structure of monomer and formula of 2 structure of formula is 0.6: 1~1.2: 1.
Further preferably, the molar ratio of the monomer of 3 structure of the monomer of 2 structure of formula and formula is 1: 1.Polymerization process uses molten
Agent is preferably dimethyl sulfoxide (DMSO), dimethylformamide, acetonitrile etc..
It is preferred that by the 3 monomer ultrasonic disperse of formula 2 and formula in the polymer solvent, polymerization temperature is then raised temperature to
Degree carries out polymerisation.
Preferably, polymeric reaction temperature is 150~200 DEG C；Further preferably 180 DEG C.Make polymerisation fully into
Row.
Preferably, polymerization reaction time is 24~96h；Further preferably 72h.
After the completion of polymerization, separation of solid and liquid is carried out, solid product is collected, then the solid product is washed.
Preferably, in washing process, washed successively with acetone, tetrahydrofuran and dichloromethane.
Processing is dried to the product after washing.
Preferably, drying process is freeze-drying.Relative to common vacuum drying, freeze-drying can cause more
Mesoporous frame.
Multistage pore polymer of the present invention, the process preferably synthesized are：Weigh three (4- aldehyde radicals phenyl) amine
0.387g and melamine 0.15g, and measure dimethyl sulfoxide (DMSO) 15mL.Three is mixed in the flask of 50mL and passes through ultrasound
It is uniformly dispersed.15min is advertised with nitrogen, then under nitrogen protection, persistently stirs and reacts 72h, wherein reaction temperature is 180
It after DEG C the reaction was complete, is cooled to room temperature, the precipitation of reaction generation is obtained by filtration, with excessive acetone, tetrahydrofuran and dichloromethane
Alkane washs precipitation three times respectively, is then freeze-dried precipitation, finally obtains yellow-white multistage pore polymer TFM, produces
Rate is 60%.
The present invention also provides a kind of application of the multistage pore polymer, for captured gas.
Multistage pore polymer of the present invention, containing abundant micropore and meso-hole structure, and with abundant functional group, tool
There is good collecting (absorption) gas performance.
Preferably, the gas is preferably sour gas.
Further preferably, the gas is preferably carbon dioxide.
Multistage pore polymer of the present invention has and enriches its rational mesoporous and micropore, and with abundant function
Group has the trapping effect of good gas trapping, particularly carbon dioxide.Research shows that multi-stage porous of the present invention gathers
Good gas trapping effect can be obtained under conditions of mild and partial pressure is relatively low by closing object.
Preferably, the temperature of trapping process is 273~373K；Further preferably 273k or 298k.
During trapping, using multistage pore polymer of the present invention, can have to the gas under different partial pressure conditions
There is good trapping performance, and theoretically, it is preferable to trap effect compared with relative superiority or inferiority for partial pressure.
Particularly preferably, during trapping, partial pressure is not higher than 1bar.Multistage pore polymer of the present invention, it is different
In existing material, under relatively low partial pressure conditions, good trapping performance can be shown under the conditions of relatively mild.
The application of multistage pore polymer of the present invention, the coordination of metal ion in the multistage pore polymer, system
Obtain polymer matrix catalyst.The metal ion can be coordinated in the surface and/or duct of the multistage pore polymer.
The metal ion that is coordinated of the present invention, can according to the reaction type of catalysis, select to be coordinated different types of metal from
Son.
The application of multistage pore polymer of the present invention, can utilize nitrogen-containing functional group coordination of metal ion；It is coordinated
The multistage pore polymer of zinc ion can be applied to collecting carbonic anhydride and convert integrated polymer matrix catalyst.For example,
Zinc ion is coordinated in the multistage pore polymer, for being catalyzed the ring-closure reaction of carbon dioxide and epoxide.
A kind of carbon dioxide cyclization catalyst, the metal ion comprising the multistage pore polymer and its coordination.
Preferably, in the carbon dioxide cyclization catalyst, the metal ion is the zinc ion (ion of coordination
For Zn2+, which is referred to as Zn2+-TFM)。
The zinc ion is preferably derived from zinc chloride, zinc acetate, in zinc sulfate, zinc nitrate and zinc acetylacetonate at least
It is a kind of.
The present invention also provides a kind of preparation method of carbon dioxide cyclization catalyst, by the multistage pore polymer with
There is provided the metal ion source metal dispersion in a solvent, flow back under protective atmosphere, after through cooling, separation of solid and liquid, wash
It washs to obtain.
The solvent is, for example, in the alcohol such as methanol.
Preferably, in the carbon dioxide cyclization catalyst, the load capacity of the metal ion of coordination is not less than
0.1wt%, further preferably 1~2wt%, most preferably 1.44wt%.
Multi-stage porous polymer complex zinc ion (Zn of the present invention2+- TFM) preparation process it is as follows：It weighs and is prepared in embodiment 1
TFM 50mg and zinc acetate 30mg.Zinc acetate is dispersed in the methanol of 50mL first, after being uniformly dispersed, TFM is added in
In the solution, it is vigorously stirred simultaneously.Then under nitrogen protection, reaction flows back for 24 hours.It after the completion of reaction, is cooled to room temperature, passes through
Centrifuge precipitation.Precipitation is washed with the methanol of heat several times, is then freeze-dried, obtains Zn2+/TFM.Wherein zinc ion
Load capacity is 1.44wt%.
The present invention also provides the application of the carbon dioxide cyclization catalyst, for trapping carbon dioxide and/or using
In catalysis carbon dioxide and epoxide cyclisation.
Preferably, in cyclization process, cyclisation temperature is 80~120 DEG C；Further preferably 100 DEG C.
Preferably, in cyclization process, the partial pressure of carbon dioxide is not less than 0.5M Pa；Further preferably 1~4MPa；
Still more preferably it is 2~3MPa, most preferably 2MPa.
Preferably, the epoxide preferably has 4 structure of formula：
R4、R5、R6、R7It is C alone1~C7Alkyl, C6~C24Aryl, C1~C7Oxyl, C6~C24Aromatic hydrocarbons
Oxygroup, halogenated C1~C7Alkyl；Or R4、R5、R6、R7In at least two groups composition cyclic group.
Preferably, the epoxide is following structural formula：
Wherein n=1~7.
Multi-stage porous is condensed by schiff base reaction and is had with melamine and three aldehyde radical derivatives the present invention provides one kind
Machine polymer.It can be applied to the trapping of carbon dioxide.Since it enriches nitrogen-containing functional group, can coordination of metal ion, the present invention carries
A kind of polymer matrix catalyst for being coordinated zinc ion has been supplied to be applied to the catalyzed conversion that carbon dioxide prepares carbonats compound.
The present invention provides a kind of collection collecting carbonic anhydride and convert integrated polymer.The microcellular structure of wherein polymer provides
The absorption place of carbon dioxide, reaction substrate and reaction product transmission channels are provided in meso-hole structure, and metal ion plays catalysis
Effect.
Beneficial effects of the present invention：
Multistage pore polymer and its be coordinated chemical stability of the polymer of zinc ion with stabilization prepared by the present invention, it is right
The absorption of carbon dioxide has good effect, and has higher selectivity；
The polymer matrix catalyst of coordination zinc ion prepared by the present invention has the cyclization of carbon dioxide good
Catalytic activity and higher selectivity；
Polymer matrix catalyst prepared by the present invention constructs collecting carbonic anhydride and converts integrated reactor, wherein
The microcellular structure of the polymer provides carbon dioxide enriched place, and meso-hole structure provides reaction substrate and the transmission of product is led to
Road, metal ion provide active site, effectively increase the performance and effect of catalyst in this way.
Description of the drawings
Fig. 1 TFM and Zn2+The nitrogen adsorption desorption curve of/TFM.
Fig. 2 TFM and Zn2+/ TFM pore-size distributions.
Fig. 3 TFM and Zn2+The carbon dioxide adsorption curves of/TFM under 273K and 298K.
Fig. 4 TFM and Zn2+The absorption heating curve of/TFM.
Fig. 5 Zn2+/ TFM is catalyzed after propylene oxide and carbon dioxide cyclization using trimethylbenzene as interior target 1H NMR
(CDCl3,400MHz) is composed.
Fig. 6 Zn2+/ TFM catalysis epoxidations close the products collection efficiency of the cyclization of object and carbon dioxide.
Fig. 7 Zn2+The recyclability of/TFM catalysis.
Specific embodiment
Embodiment 1
The preparation of multistage pore polymer TFM
Three (4- aldehyde radicals phenyl) amine 0.387g and melamine 0.15g are weighed, and measure dimethyl sulfoxide (DMSO) 15mL.By three
It is mixed in the flask of 50mL and to pass through ultrasonic disperse uniform.15min is advertised with nitrogen, then under nitrogen protection, is persistently stirred
It mixes and reacts 72h, wherein reaction temperature is 180 DEG C.It after the reaction was complete, is cooled to room temperature, the precipitation of reaction generation is obtained by filtration,
Precipitation is washed respectively three times, be then freeze-dried precipitation with excessive acetone, tetrahydrofuran and dichloromethane, finally
To yellow-white multistage pore polymer TFM, yield is for 60% (see Fig. 1,2).
Elemental analysis is：C, 34.16, H, 4.48, N, 42.40, O, 17.68%.
Microcellular structure content is 41.2%；Meso-hole structure content is 58.8%.
Embodiment 2
It is coordinated the multistage pore polymer Zn of zinc ion2+The preparation of-TFM
Weigh the TFM 50mg prepared in embodiment 1 and zinc acetate 30mg.Zinc acetate is dispersed in the methanol of 50mL first
In, after being uniformly dispersed, TFM is added in the solution, is vigorously stirred simultaneously.Then under nitrogen protection, reaction flows back for 24 hours.
It after the completion of reaction, is cooled to room temperature, is precipitated by centrifuging.Precipitation is washed with the methanol of heat several times, is then freezed dry
It is dry, obtain Zn2+-TFM.Wherein the load capacity of zinc ion is 1.44wt% (see Fig. 1,2).
Embodiment 3
TFM and Zn2+The carbon dioxide adsorption of-TFM
TFM and Zn are weighed respectively2+- TFM 100mg, then with 99.999% carbon dioxide gas on gas absorption instrument
The test of gas absorption amount is carried out under the conditions of 273K and 298K respectively.The absorption for obtaining the carbon dioxide under 0~1bar is bent
Line (see Fig. 3).As a result, it has been found that under conditions of 1bar pressure, under 273K, the adsorbance of carbon dioxide reaches 7.9wt%.
And under 298K, the adsorbance of carbon dioxide reaches 5.5wt%.
Embodiment 4
Zn2+- TFM is catalyzed the cyclization of carbon dioxide and propylene oxide
Zn is weighed first2+- TFM 12mg, propylene oxide 1.4g and the tetrabutyl smelling ammonium 0.5g.Three is mixed in high pressure
Reaction kettle.After mixing, the carbon dioxide of 2MPa is filled with, reaction kettle is then sealed.Then 1h is reacted at 100 DEG C, instead
After answering completely, it is cooled to room temperature, then using 1,1,2,2- tetrachloroethanes or trimethylbenzene as internal standard, with 1H NMR
(CDCl3, 400MHz) and detection reaction yield, reaction yield is finally obtained as 99% (see Fig. 5).
Embodiment 5
Zn2+- TFM is catalyzed the cyclization of carbon dioxide and other epoxides
Zn is weighed first2+- TFM 12mg, epoxide (raw material is shown in Fig. 6) 20mmol and the tetrabutyl smelling ammonium 0.5g.It will
Three is mixed in autoclave.After mixing, the carbon dioxide of 2MPa is filled with, reaction kettle is then sealed.Then 100
1h is reacted at DEG C, after the reaction was complete, is cooled to room temperature, then using 1,1,2,2- tetrachloroethanes as internal standard, with 1H NMR
(CDCl3, 400MHz) and detection reaction yield (see Fig. 6).
Embodiment 6
Zn2+- TFM is catalyzed the recyclability of the cyclization of carbon dioxide and propylene oxide
Zn after recycling catalysis reaction2+- TFM is washed several times with methanol, is stayed after then drying standby for use.Then according to
It is reacted under conditions of in embodiment 4.The Zn of catalyst recycling2+- TFM is replaced.Cycle is multiple.According to the item of embodiment 4
Part is detected yield (see Fig. 7).Fig. 7 is as it can be seen that from left to right, respectively yield (99%) for the first time；Yield per pass
(92%), the yield (88%) of circulation secondary；The yield (86%) of cycle yield (88%) three times and cycle four times.The present invention
The catalyst can be recycled.
Claims (10)
1. a kind of multistage pore polymer, characteristic are there is the constitutional repeating unit described in formula 1：
R1、R2、R3It is-NO alone2, amino, primary amine groups ,-CHO ,-CH3、-H、-OH、-COOH、C1~C6Alkyl ,-F ,-Br ,-
Any one in Cl ,-I.
2. multistage pore polymer as described in claim 1, characteristic are, R1、R2、R3For amino ,-CHO or H.
3. multistage pore polymer as claimed in claim 1 or 2, characteristic are that the multistage pore polymer has balance
Microcellular structure and meso-hole structure；Wherein, microcellular structure content is 35%~45%；Surplus is meso-hole structure.
4. such as the preparation method of claims 1 to 3 any one of them multistage pore polymer, characteristic is, the list of 2 structure of formula
The monomer of 3 structure of body and formula is dispersed in polymer solvent, and polymerisation is carried out under protective atmosphere, is divided after reaction structure through solid-liquid
From, wash, be drying to obtain；
5. the preparation method of multistage pore polymer as claimed in claim 4, characteristic are, 3 knot of monomer and formula of 2 structure of formula
The molar ratio of the monomer of structure for 0.6: 1~1.2~: 1.
6. the preparation method of multistage pore polymer as claimed in claim 4, characteristic are, polymeric reaction temperature for 150~
200℃。
7. the preparation method of multistage pore polymer as claimed in claim 4, characteristic is, in washing process, successively with third
Ketone, tetrahydrofuran and dichloromethane are washed；
Drying process is freeze-drying.
8. a kind of application of claims 1 to 3 any one of them multistage pore polymer, characteristic are, for captured gas,
The gas is preferably sour gas, further preferably carbon dioxide；
Preferably, the temperature for trapping process is 273~373k；Partial pressure is not higher than 1bar；
Preferably, polymer matrix catalyst is made in the coordination of metal ion in the multistage pore polymer；Further preferably,
Zinc ion is coordinated in the multistage pore polymer, catalysis collecting carbonic anhydride is made and converts integrated polymer matrix and urges
Agent.
9. a kind of carbon dioxide cyclization catalyst, characteristic are, gather comprising claims 1 to 3 any one of them multi-stage porous
Close object and its metal ion of coordination；
The metal ion is preferably zinc ion；
The zinc ion is preferably derived from zinc chloride, zinc acetate, zinc sulfate, and at least one in zinc nitrate and zinc acetylacetonate
Kind；
The load capacity of the metal ion of coordination is not less than 0.1wt%.
10. the application of carbon dioxide cyclization catalyst as claimed in claim 9, characteristic are, for trapping carbon dioxide；
Or for being catalyzed carbon dioxide and epoxide cyclisation；
It is preferably 80~120 DEG C to be cyclized temperature；The partial pressure of carbon dioxide is preferably 1~4MPa；
The epoxide preferably has 4 structure of formula：
R4、R5、R6、R7It is C alone1~C7Alkyl, C6~C24Aryl, C1~C7Oxyl, C6~C24Aromatic hydrocarbons oxygen
Base, halogenated C1~C7Alkyl；Or R4、R5、R6, at least two groups composition cyclic group in R7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711498186.8A CN108192058B (en) | 2017-12-29 | 2017-12-29 | It is a kind of multistage pore polymer, preparation and the application in absorption and/or chemical recycling of carbon dioxide |
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