WO2010056092A9 - 유기 골격 구조체 - Google Patents
유기 골격 구조체 Download PDFInfo
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- WO2010056092A9 WO2010056092A9 PCT/KR2009/006769 KR2009006769W WO2010056092A9 WO 2010056092 A9 WO2010056092 A9 WO 2010056092A9 KR 2009006769 W KR2009006769 W KR 2009006769W WO 2010056092 A9 WO2010056092 A9 WO 2010056092A9
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- 0 Bc1ccc(B2NS(c3ccc(C)cc3)N*(c(cc3)ccc3S3NS(c4ccc(C(C)(C)C)cc4)NB(c(cc4)ccc4S4NS(c5ccc(B(*6)NS(c(cc7)ccc7S7NS(c(cc8)ccc8S(NC)NS(c8ccc(C(C)C(C)C)cc8)N)NB(c8ccc(C(C)(C)C)cc8)N7)NB6c6ccc(C(C)(C)C)cc6)cc5)NB(c5ccc(C)cc5)N4)N3)N2)cc1 Chemical compound Bc1ccc(B2NS(c3ccc(C)cc3)N*(c(cc3)ccc3S3NS(c4ccc(C(C)(C)C)cc4)NB(c(cc4)ccc4S4NS(c5ccc(B(*6)NS(c(cc7)ccc7S7NS(c(cc8)ccc8S(NC)NS(c8ccc(C(C)C(C)C)cc8)N)NB(c8ccc(C(C)(C)C)cc8)N7)NB6c6ccc(C(C)(C)C)cc6)cc5)NB(c5ccc(C)cc5)N4)N3)N2)cc1 0.000 description 2
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic System
- C07F5/02—Boron compounds
- C07F5/05—Cyclic compounds having at least one ring containing boron but no carbon in the ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic System
- C07F5/02—Boron compounds
- C07F5/025—Boronic and borinic acid compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
Definitions
- the present invention relates to organic framework structures capable of adsorption and desorption and / or storage of gases or organic molecules.
- Fossil fuels which account for more than 90% of the current energy demand, are nonrenewable and have a limited reserve.
- fossil fuels not only pollute the environment by releasing air pollutants such as NO x , SO x , dust, etc., but also increase the concentration of carbon dioxide emitted during the combustion of fossil fuels. Weighting.
- Hydrogen As a new energy source for replacing such fossil fuels, hydrogen, which is widely used as a raw material of chemical products and a process gas of a chemical process, is drawing attention. Hydrogen has the following advantages: First, when hydrogen is used as a raw material, no pollutants are produced except for the generation of a very small amount of NO x during combustion, and it is easy to use hydrogen as fuel by direct combustion or as a fuel cell. Second, hydrogen can be easily hydrogenated as a gas or liquid, and is easily stored in various forms such as high pressure gas, liquid hydrogen, and metal hybride. Third, hydrogen can be produced in large quantities from water, and recycled back into water even after use, so there is no fear of resource depletion. Fourth, hydrogen can be used in almost all fields used in current energy systems such as general fuels, hydrogen vehicles, hydrogen airplanes, fuel cells, and the like from industrial base materials.
- covalent organic framework is a material formed by connecting atoms such as only hydrogen, boron, carbon, nitrogen, and oxygen by covalent bonds, and may be formed by a condensation reaction of benzene diboronic acid (BDBA).
- BDBA benzene diboronic acid
- This covalent organic framework has not only a rigid porous (micoro- and meso-porous) structure but also excellent thermal stability and low density.
- the specific surface area is larger than that of conventionally known materials such as zeolites and porous silicates.
- the present inventors recognize that in the case of a covalent organic framework having a plurality of plate-like layers among the known covalent organic frameworks, the distance between the plates is too narrow so that hydrogen is only inserted through the pores and is difficult to be inserted between the layers. It was.
- the present invention is to introduce a Lewis base to a plurality of plate-like layer formed by chaining a linear or cyclic boron-containing cluster and two or three C 6 ⁇ C 204 aromatic ring groups in a chain between the plate-like layer
- a Lewis base to a plurality of plate-like layer formed by chaining a linear or cyclic boron-containing cluster and two or three C 6 ⁇ C 204 aromatic ring groups in a chain between the plate-like layer
- it is intended to provide an organic framework that can adsorb larger amounts of hydrogen by allowing hydrogen to be inserted between the layers as well as the pores.
- a linear or cyclic boron-containing cluster, two or three C 6 ⁇ C 204 aromatic ring groups are bonded to form a building block (unit), the plurality of units formed by chain connection with other adjacent units Plate-like layer; And a Lewis base coordinated to a boron-containing cluster in the plate-like layer.
- the present invention provides an adsorbent containing the above-described organic skeleton structure, and a catalyst.
- the organic skeletal structure according to the present invention is a Lewis in a boron-containing cluster of a plurality of plate-like layer formed by connecting linear or cyclic boron-containing clusters and units consisting of two or three C 6 -C 204 aromatic ring groups in series.
- a Lewis base By coordinating the base, the distance between the plate layers is widened due to the Lewis base coordinated to the plate layer such that a large amount of hydrogen can be inserted between the pores and the layers to adsorb a large amount of hydrogen.
- the organic framework according to the present invention can be used as a hydrogen storage medium having excellent storage performance because it can adsorb irreversibly or reversibly due to the Lewis base bonded to the plate-like layer.
- 1 is a cross-sectional view schematically showing the organic skeleton structure of the present invention.
- FIG. 2 is a three-dimensional illustration of an organic framework according to an example of the present invention.
- COF- 1 organic skeleton structure
- Figure 4 is a diagram showing the distance between the plate-like layers in the organic skeleton structure according to the present invention.
- FIG. 5 is an infrared spectrum of the organic framework (PCOF-1) and the control group (COF-1) prepared in Example 1.
- FIG. 5 is an infrared spectrum of the organic framework (PCOF-1) and the control group (COF-1) prepared in Example 1.
- FIG. 6 is a thermogravimetric analysis (TGA) graph of the organic framework construct (PCOF-1) and the control group (COF-1) prepared in Example 1.
- TGA thermogravimetric analysis
- FIG. 7 is a graph showing powder x-ray diffraction (PXRD) analysis of the organic framework (PCOF-1) and the control group (COF-1) prepared in Example 1.
- PXRD powder x-ray diffraction
- Example 8 is a graph showing hydrogen gas adsorption-desorption characteristics of the organic framework (PCOF-1) and the control (COF-1) prepared in Example 1.
- the linear or cyclic boron-containing cluster contains a boron, a linear or cyclic molecule consisting of a covalent bond of atoms other than boron to each of two reaction sites of the effective reaction site of the boron it means.
- the aromatic ring group includes not only an aromatic ring hydrocarbon, a heterocyclic aromatic compound, and a multicyclic aromatic compound, but also a functional group in which two or more aromatic rings are bonded by a direct bond, a single bond, or the like, and two or more reaction sites. It means a functional group having a.
- a covalent organic framework is a porous material formed by covalent bonding of atoms such as hydrogen, boron, carbon, nitrogen, and oxygen.
- covalent organic frameworks are materials in which linear or cyclic boron-containing clusters and respective building blocks comprising aromatic ring groups are covalently linked.
- two linear or cyclic boron-containing clusters formed by covalent bonds of atoms belonging to groups 15 and / or 16 of the periodic table such as oxygen or nitrogen with respect to the boron atoms are the same or different.
- covalently bonded to three aromatic ring groups (such as a phenylene group) and the covalently bonded aromatic ring group has a network structure which is covalently linked to another at least one linear or cyclic boron-containing cluster and connected in series.
- the covalent organic framework structure formed in this way not only has a rigid porous structure, but also has a low density and good thermal stability.
- covalent organic skeleton structure two-dimensional plane such as COF-1 [(C 3 H 2 BO) 6 ⁇ C 9 H 12 ) 1 ] or COF-5 [C 9 H 4 BO 2 ]
- covalent organic skeleton structure having a network structure (hereinafter referred to as 'two-dimensional covalent organic skeleton structure').
- the two-dimensional covalent organic scaffold structure unlike other covalent organic scaffold structure (hereinafter referred to as three-dimensional covalent organic skeletal structure ') and linear or cyclic boron-containing clusters and C 6
- Each unit including an aromatic ring group of ⁇ C 204 has a plurality of plate-shaped layers formed by chain connection, and each plate-like layer is densely stacked due to the interaction between the plate-like layers ( 3).
- the two-dimensional covalent organic framework has a higher binding energy with hydrogen than the three-dimensional covalent organic framework, the hydrogen adsorption amount is small because there are fewer sites that can adsorb hydrogen. .
- the size of pores formed therein is large enough to allow molecules larger in size than hydrogen gas to pass therethrough,
- the distance is very narrow due to the interaction between the plate layers.
- the distance between layers [atom to the plane of each layer, the distance between the centers (ex. Boron, carbon, etc.)] (L 1) is about 3 (See FIG. 4).
- the interlayer distance L 2 is substantially smaller than 3 ⁇ .
- hydrogen gas hydrogen molecules
- hydrogen molecules with a kinetic diameter of about 2.89 kPa cannot be easily inserted between the layers. Accordingly, when hydrogen is adsorbed and stored using a two-dimensional covalent organic framework, hydrogen can only be inserted through pores, and is difficult to be inserted between layers.
- the two-dimensional covalent organic framework has a smaller amount of hydrogen adsorption than the three-dimensional covalent organic framework, and it has a lower ratio than that of zeolites and porous silicates that are used as hydrogen storage media.
- the hydrogen adsorption amount is not large.
- the adsorption of hydrogen is physical adsorption, hydrogen adsorbed to the organic framework can be desorbed due to a change in ambient temperature or pressure, thereby degrading efficiency as a hydrogen storage medium.
- guest molecules such as hydrogen
- guest molecules can be inserted between the plate layers as well as the pores, so that the adsorption amount of the guest molecules can be improved.
- the organic framework according to the present invention comprises two or three C, which are the same or different in linear or cyclic boron-containing clusters. 6 ⁇ C 204
- the monomer formed by covalent bonding of an aromatic ring group includes a plurality of plate-like layers formed by covalently bonding with at least one other unit adjacent to each other. Lewis bases are coordinated. At this time, the coordination bond of the boron atom and the Lewis base may be bonded in the vertical direction of the plate-like layer.
- the distance between the lamellar layer and the adjacent lamellar layers is about 4 to 15 mm wider than that of the two-dimensional covalent organic framework known in the art. You lose. As the distance between the layers is about 4 to 15 kPa, hydrogen can be easily inserted between the layers as well as the pores formed therein, thereby allowing a large amount of hydrogen to be adsorbed to the organic framework of the present invention. In addition, since the organic skeletal structure of the present invention has a specific surface area of 300 m 2 / g to 2300 m 2 / g, a large amount of hydrogen can be adsorbed and stored.
- the void space existing between the plate-like layer and the plate-like layer is regularly or irregularly partitioned by Lewis bases which are regularly or irregularly coordinated to the plate-like layer in the vertical direction of the plate-like layer.
- Multiple compartment spaces are formed between the layers.
- the partition space thus formed may be a space (or site) where hydrogen inserted into the organic framework is adsorbed and stored. At this time, the hydrogen adsorbed in the compartment space is physically adsorbed as in the conventionally known covalent organic framework structure.
- the present invention unlike the conventionally known covalent organic skeleton structure by appropriately selecting the type of Lewis base coordinated to the plate-like layer, even though the adsorption of hydrogen is physical adsorption, the ambient pressure or temperature is changed.
- the organic framework of the present invention can adsorb hydrogen irreversibly. For this reason, the organic framework of the present invention can be used as a storage medium having excellent storage performance.
- the linear or cyclic boron-containing cluster has two groups selected from the group consisting of Groups 15 and 16 on the periodic table at each of two reaction sites among the effective reaction sites of the boron centered on the boron (B).
- Atoms (ex. N, P, O, S, etc.) may be formed by combining, wherein two atoms bonded to the reaction site of the boron may be the same or different.
- Lewis bases since the boron atoms can accept electron pairs, Lewis bases having unshared electron pairs can be coordinated to the boron atoms, thereby increasing the interlayer distance. At this time, the coordination bond of the Lewis base and boron may be bonded in the vertical direction of the plate-like layer.
- Such linear or cyclic boron containing clusters may be represented by the following formula (1) or (2):
- Q 1 to Q 5 are each independently atoms belonging to group 15 or group 16 of the periodic table;
- the R 1 to R 5 each independently represent hydrogen, C 1 ⁇ C 12 alkyl group, C 6 ⁇ C 12 aryl (aryl) is a group, or a halogen of, but at least one of Q 1 to Q 5 is part of a group 16 In the case of an atom, any one or more of R 1 to R 5 linked to the group 16 atom is absent.
- linear or cyclic boron-containing clusters represented by such chemical formulas include , , Etc., but is not limited thereto.
- linear or cyclic boron-containing clusters of the invention form a unit by covalently bonding two or three C 6 -C 204 aromatic ring groups, which are the same or different.
- the aromatic ring group of C 6 ⁇ C 204 may be represented by a formula selected from Formula 3, Formula 4, Formula 5, and Formula 6, but is not limited thereto:
- D 1 to D 33 are each independently hydrogen, C 1 ⁇ C 12 alkyl group, C 6 ⁇ C 12 aryl (aryl) group, or selected from the group consisting of halogen in the It may be.
- Examples of the unit represented by Formula 7 include a unit represented by the following Formula 7a, a unit represented by the following Formula 7b, and the like.
- Q 4 , Q 5 , R 4 and R 5 are the same as defined in Formula 2; D 1 to D 10 are the same as defined in Chemical Formulas 3 and 4.
- Examples of the unit represented by Formula 8 include, but are not limited to, a unit represented by Formula 8a:
- the linear or cyclic boron of the C 6 ⁇ C 204 aromatic ring group constituting the unit (first unit) represented by the formula (7) or (8) constitutes the first unit
- a linear or cyclic boron-containing cluster constituting another neighboring unit (second unit) in the same form as the first unit is covalently bonded
- the linear boron-containing cluster of the second unit is the first monomer. It may be chained in a manner that is covalently bonded to the C 6 ⁇ C 204 aromatic ring group of another neighboring unit (third unit) of the same type as the one unit.
- the plate-shaped layer thus formed may have various forms.
- the plate-like layer of the present invention is formed by a chain bond of units represented by the formula (7) it may be represented by the following formula (9):
- Examples of the plate-like layer represented by the formula (9) include a plate-like layer represented by the following formula (9a), a plate-like layer represented by the formula (9b), but are not limited thereto.
- the plate-like layer of the present invention is formed by a chain bond of the units represented by the formula (8) may be represented by the following formula (10):
- Q 4 , Q 5 , R 4 and R 5 are the same as defined in Formula 2; D 1 to D 4 are the same as defined in Chemical Formula 3.
- Examples of the plate-like layer represented by Formula 10 include a plate-like layer represented by the following Formula 10a, but are not limited thereto.
- the organic framework according to the invention comprises, in addition to the plate-like layer described above, a Lewis base (2) coordinated to a linear or cyclic boron-containing cluster in the plate-like layer (1).
- the Lewis base coordinated to the boron atoms in the boron-containing cluster may be bonded in the vertical direction of the plate-like layer (see FIG. 1).
- pyridine 2 is coordinated in a vertical direction to the plate-like layer 1 represented by the above formula (9a) as a Lewis base (see Fig. 2).
- This invention differs from conventional two-dimensional covalent organic frameworks (see FIG. 3) consisting only of plate-like layers.
- the Lewis base is bonded to the plate-like layer, resulting in a larger gap (size of gap: about 4 to 15 mm 3) between the plate-like layers than in the case where no Lewis base is present.
- the gap is large enough to allow the insertion of hydrogen gas (kinetic diameter: about 2.89 kPa). Hydrogen can be easily inserted.
- the empty spaces between the layers are regularly or irregularly partitioned, and the inserted hydrogen may be adsorbed and stored in the partitioned spaces.
- the Lewis base used in the present invention is not particularly limited as long as it is a substance capable of giving off a lone pair, but is preferably a compound containing one or more atoms belonging to groups 14 and 15.
- the Lewis base may be a heterocyclic compound containing one or more atoms selected from the group consisting of N, P, O and S, but is not limited thereto.
- Lewis bases include pyridine, 4-cyanopyridine, 4-dialkylaminopyridine, 4,4'-bipyridine, pyrazine, pyridazine, pyrimidine, 2-methylpyrazine, pyrazol, imidazole, purine, 7-azaindole, quinoline, isoquinoline, quinoxaline , 1,4-diazabicyclo (2.2.2) octane, quinuclidine, 1,3,5-triazine, hexamethyleneteramine, piperidine, piperazine, pyrrolidine, morpholine, tetrahydrofuran, 1,4-dioxane, 1,8-naphthylene disulfide This is not restrictive.
- the organic framework of the present invention can be prepared by the following method, but is not limited thereto.
- the organic skeletal structure produced at this time is semicrystal or crystalline.
- the organic skeletal structure is reacted with a Lewis base and a Lewis base in the presence of a solvent selected from mesitylene, 1,4-dioxane, and mixtures thereof, represented by a formula selected from the following formulas (11), (12) and (13):
- a solvent selected from mesitylene, 1,4-dioxane, and mixtures thereof, represented by a formula selected from the following formulas (11), (12) and (13):
- the boron-containing compound benzene diboronic acid (BDBA) when the boron-containing compound benzene diboronic acid (BDBA) is reacted with pyridine in the presence of a solvent mesitylene, the -B-OH portion of one BDBA and the -B-OH portion of another BDBA are reacted with pyridine.
- the plate-like layer (1) represented by the above formula (9a) is formed in a laminated structure by the condensation polymerization reaction of the liver, the pyridine (2) at the boron atom in the plate-like layer (1) by the chemical reaction between the BDBA and pyridine, which is a Lewis base, is formed. Coordinated in the vertical direction of the plate-like layer can form an organic skeleton structure in which the distance between the plate-like layer is widened unlike the conventional (see Fig. 2).
- the organic framework is a reaction of the boron-containing compound, aromatic polyalcohol and Lewis base represented by the formula selected from Formula 11, 12 and 13 in the presence of a solvent selected from mesitylene, 1,4-dioxane and mixtures thereof It can be prepared by.
- a solvent selected from mesitylene, 1,4-dioxane and mixtures thereof It can be prepared by.
- the boron-containing compound benzene diboronic acid (BDBA), aromatic polyalcohol hexahydroxy triphenylene (HHTP) and pyridine are reacted.
- the condensation polymerization reaction between the -B-OH portion of one BDBA and the -B-OH portion of another BDA, and / or the -B-OH portion of one BDBA and the -OH portion of one HHTP is represented by Formula 10a.
- a pyridine 2 is coordinated to the boron atoms in the plate-like layer 1 in a vertical direction of the plate-like layer by a chemical reaction between the BDBA and pyridine, which is a Lewis base.
- an organic framework having a wider distance between the plate layers may be formed.
- the organic skeletal structure of the present invention is (i) a dispersion by dispersing a boron-containing compound represented by the formula selected from the formulas (11), (12) and (13) in a solvent selected from mesitylene, 1,4-dioxane and mixtures thereof.
- Forming a first dispersion); (ii) adding a Lewis base to the first dispersion to form a dispersion (second dispersion); And (iii) may be prepared by a method comprising the step of heating the second dispersion, but is not limited thereto.
- the preparation method may further disperse the aromatic polyalcohol when the first dispersion is formed.
- the manufacturing method may further include dispersing the first dispersion by an ultrasonic apparatus after the forming of the first dispersion.
- the content of the solvent used in the present invention may be about 1 to 3 ml. If the content of the solvent is less than 1 ml, the reaction may be too slow and the reaction may not occur. If the content of the solvent is more than 3 ml, the reaction may proceed rapidly to form a non-porous polymer.
- boron-containing compound represented by the formula selected from Formulas 11, 12, and 13 dispersed in such a solvent include Benzene diboronic acid (BDBA), Biphenyl-4,4'-diboronic acid (BPDA), Tolane-4, 4'-diboronic acid, Stilbene-4,4'-diboronic acid, 1,3,5-benzenetriboronic acid (BTBA), 1,3,5-benzenetris (4-phenylboronic acid) (BTPA), 1,4-phenylenediboranediamine , biphenyl-4,4'-diyldiboranediamine, but is not limited thereto.
- BDBA Benzene diboronic acid
- BPDA Biphenyl-4,4'-diboronic acid
- Tolane-4, 4'-diboronic acid Stilbene-4,4'-diboronic acid
- BTBA 1,3,5-benzenetriboronic acid
- BTPA 1,3,5-benzenetris (4-phenyl
- Such boron-containing compounds may be dispersed in the solvent in an amount of about 50 to 250 parts by weight based on 100 parts by weight of the solvent.
- the condensation condensation reaction is more likely to occur, it is possible to prevent the formation of a non-porous polymer or oligomer.
- the present invention may disperse an aromatic polyalcohol in a solvent to form a first dispersion.
- the content of the mixed solute of the boron-containing compound and the aromatic polyalcohol is the same as that of the above-described boron-containing compound.
- Non-limiting examples of aromatic polyalcohols usable in the present invention include hexahydroxy triphenylene, benzene-1,4-diol, Biphenyl-4,4'-diol and the like.
- the boron-containing compound or aromatic polyalcohol in the dispersion can be uniformly dispersed in the first dispersion using an ultrasonic device.
- the ultrasonic device is used under the condition of Ultrasonic frequency of about 40 kHz.
- a Lewis base is added to the first dispersion to form a dispersion (hereinafter referred to as a 'second dispersion').
- the content of the Lewis base added may range from about 3 to 10 parts by weight based on 100 parts by weight of the solvent. If the content of the Lewis base is less than 3 parts by weight, the reaction may occur only in a part of the plate-like layer, and if the content of the Lewis base is more than 10 parts by weight, the coordination reaction between the Lewis base and boron proceeds rapidly, and The reaction can only occur at the surface portion of the semicrystalline particles.
- the formed second dispersion is heated so that the chemical reaction between the boron-containing compound and the Lewis base can occur at the same time as the condensation reaction between the boron-containing compounds.
- the heating temperature is suitably in the range of about 40 to 160 ° C. If the heating temperature of the second dispersion is too low, the reaction may not occur because it does not receive the energy required for the chemical reaction between the boron-containing compound and the Lewis base, and if the heating temperature is too high, the reaction proceeds quickly and the oligomer Can be formed.
- the heating is preferably carried out in a sealed state of the first dispersion.
- the organic framework according to the present invention can be used as an adsorbent for adsorbing or storing a large amount of gas or organic materials.
- gas include ammonia, carbon dioxide, carbon monoxide, hydrogen, amines, methane, oxygen, argon, nitrogen, and the like.
- organic materials include methane, ethane, propane, butane, pentane, hexane, Organic materials containing C 1 to C 12 , such as cyclohexane, methanol, ethanol, propanol, isopropanol, benzene, toluene, and the like.
- the organic framework of the present invention also includes a catalyst (meaning that it includes a catalyst carrier), a sensor, a separator, a desiccant, an ion exchange material, a molecular sieve (separator), a material for chromatography, and a molecule.
- a catalyst meaning that it includes a catalyst carrier
- a sensor meaning that it includes
- the organic skeletal structure (PCOF-1) of Example 1 showed the same characteristic peak of the control (COF-1). From this, it can be seen that the organic layered structure PCOF-1 of Example 1 has a plate-like layer having the same structure as the conventional organic skeleton structure COF-1. In addition, in the case of the organic skeleton structure (PCOF-1) of Example 1, the peak which was not seen in the conventional organic skeleton structure exists, and it was inferred that the Lewis base couple
- thermogravimetric analysis TGA was performed, the results are shown in FIG. At this time, COF-1 [(C3H 2 BO) 6 .C 9 H 12 ) 1 ] (Covalent Organic Framework-1, Science 2005, 310 , 1166) was used.
- the control (COF-1) begins to thermally decompose from the temperature portion of about 400 ° C.
- the organic framework structure (PCOF-1) of Example 1 starts from the temperature portion of about 500 ° C. Pyrolysis began to occur. From these results, it was confirmed that the organic skeleton structure according to the present invention, in which the Lewis base is coordinated between the plate-like layers, has superior thermal stability as compared to the conventional two-dimensional planar organic skeleton structure.
- the organic framework (PCOF-1) of Example 1 unlike the control (COF-1) by introducing a Lewis base pyridine, a new adsorption site is generated, since the adsorption energy of the adsorption site generated at this time is high hydrogen It is considered that the adsorption amount of is increased.
- the interlayer distance was defined as the distance between the planes of boron atoms of each layer from the planes of boron atoms of neighboring layers. Specifically, for a hexagonal planar layer of any six boron atoms, the coordinates of its center were calculated and then the vertical distance from this point to the central coordinates of the neighboring hexagonal planar layers was calculated. The interlayer distance was about 7.6 kPa as a result of the calculation.
Abstract
Description
Claims (21)
- 선형 또는 환형의 붕소 함유 클러스터(boron-containing cluster)에 2개 또는 3개의 C6~C204의 방향족 고리기가 공유결합되어 단위체(Building Block)를 이루고, 상기 단위체가 인접한 다른 단위체와 연쇄적으로 연결되어 형성된 복수의 판상 층; 및상기 판상 층 내 붕소 함유 클러스터에 배위 결합된 루이스 염기를 포함하는 유기 골격 구조체.
- 제1항에 있어서, 상기 판상 층은 인접한 다른 판상 층과의 거리가 4 내지 15 Å 범위인 것이 특징인 유기 골격 구조체.
- 제1항에 있어서, 상기 루이스 염기는 상기 붕소 함유 클러스터 내 붕소 원자에 배위결합된 것이 특징인 유기 골격 구조체.
- 제1항에 있어서, 상기 붕소 함유 클러스터 내 원자에 배위결합된 루이스 염기는 상기 판상 층의 수직 방향으로 결합된 것이 특징인 유기 골격 구조체.
- 제1항에 있어서, 상기 붕소 함유 클러스터는 붕소(B)를 중심으로 상기 붕소에 주기율표 상의 15족 및 16족으로 이루어진 군에서 선택된 2개의 원자가 공유결합되어 이루어진 것이며, 상기 2개의 원자는 동일하거나 상이한 것이 특징인 유기 골격 구조체.
- 제5항에 있어서, 상기 붕소에 공유결합된 각 원자는 질소(N), 산소(O), 인(P) 및 황(S)으로 이루어진 군에서 선택된 것이 특징인 유기 골격 구조체.
- 제1항에 있어서, 상기 붕소 함유 클러스터는 하기 화학식 1 또는 화학식 2로 표시되는 구조를 갖는 것이 특징인 유기 골격 구조체:[화학식 1][화학식 2](상기 화학식 1 및 2에서, Q1 내지 Q5는 각각 독립적으로 주기율표 상의 15족 또는 16족에 속하는 원자이며; R1 내지 R5는 각각 독립적으로 수소, C1~C12의 알킬기, C6~C12의 아릴(aryl)기, 또는 할로겐이며, 다만, Q1 내지 Q5 중 어느 하나 이상이 16족에 속하는 원자일 경우 해당 16족 원자에 연결된 R1 내지 R5 중 어느 하나 이상은 부존재함).
- 제1항에 있어서, 상기 루이스 염기는 N, P, O 및 S로 이루어진 군에서 선택된 하나 이상을 함유하는 헤테로 고리 화합물인 것이 특징인 유기 골격 구조체.
- 제1항에 있어서, 상기 루이스 염기는 pyridine, 4-cyanopyridine, 4-dialkylaminopyridine, 4,4'-bipyridine, pyrazine, pyridazine, pyrimidine, 2-methylpyrazine, pyrazol, imidazole, purine, 7-azaindole, quinoline, isoquinoline, quinoxaline, 1,4-diazabicyclo(2.2.2)octane, quinuclidine, 1,3,5-triazine, hexamethyleneteramine, piperidine, piperazine, pyrrolidine, morpholine, tetrahydrofuran, 1,4-dioxane 및 1,8-naphthylene disulfide로 이루어진 군에서 선택된 것이 특징인 유기 골격 구조체.
- 제1항에 있어서, 용매의 존재하에서; i) 하기 화학식 11, 12 및 13 중에서 선택된 화학식으로 표시되는 붕소 함유 화합물과 루이스 염기를 반응시키거나, 또는 ii) 하기 화학식 11, 12 및 13 중에서 선택된 화학식으로 표시되는 붕소 함유 화합물, 방향족 폴리알콜 및 루이스 염기를 반응시켜 제조된 것이 특징인 유기 골격 구조체:[화학식 11][화학식 12][화학식 13](상기 화학식 11, 12 및 13에서, 상기 Ar1은 C6~C204인 아릴기(aryl group) 또는 C6~C204인 헤테로아릴기이고; 상기 Ar2는 C6~C204인 아릴렌기 또는 C6~C204인 헤테로아릴렌기이며; 상기 Ar3는 C6~C204인 아렌트리일기 또는 C6~C204인 헤테로아렌트리일기이고; 상기 E1 내지 E12는 각각 독립적으로 주기율표상의 15족 또는 16족에 속하는 원자이며; 상기 G1 내지 G12는 각각 독립적으로 수소, C1~C12의 알킬기, C6~C12의 아릴기, 또는 할로겐임).
- 제13항에 있어서, 상기 용매는 mesitylene, 1,4-dioxane 및 이들의 혼합물에서 선택된 것이 특징인 유기 골격 구조체.
- 제13항에 있어서, 상기 붕소 함유 화합물은 bezene diboronic acid(BDBA), Biphenyl-4,4'-diboronic acid(BPDA), Tolane-4,4'-diboronic acid, Stilbene-4,4'-diboronic acid, 1,3,5-benzenetriboronic acid (BTBA), 1,3,5-benzenetris(4-phenylboronic acid)(BTPA), 1,4-phenylenediboranediamine, 및 biphenyl-4,4'-diyldiboranediamine로 이루어진 군에서 선택된 것이고,상기 방향족 폴리알콜은 hexahydroxy triphenylene, benzene-1,4-diol 및 Biphenyl-4,4'-diol로 이루어진 군에서 선택된 것이 특징인 유기 골격 구조체.
- 제13항에 있어서, 상기 반응 온도는 40 내지 160 ℃ 범위인 것이 특징인 유기 골격 구조체.
- 제1항에 있어서, 가스 또는 유기 분자의 흡착, 탈착 또는 이들 모두를 할 수 있는 유기 골격 구조체.
- 제17항에 있어서, 센서, 분리체, 건조제, 이온 교환 물질, 분자체, 크로마토그래피용 재료, 분자의 선택적인 방출체 및 흡수체, 분자인식기, 나노 튜브 및 나노 반응기로 이루어진 군에서 선택된 용도로 사용되는 것이 특징인 유기 골격 구조체.
- 제1항 내지 제17항 중 어느 한 항에 기재된 유기 골격 구조체를 함유하는 흡착체.
- 제19항에 있어서, 상기 흡착체는 암모니아, 이산화탄소, 일산화탄소, 수소, 아민, 메탄, 산소, 아르곤 및 질소로 이루어진 군에서 선택된 가스나 유기 물질을 흡착 또는 저장할 수 있는 것이 특징인 흡착체.
- 제1항 내지 제17항 중 어느 한 항에 기재된 유기 골격 구조체를 함유하는 촉매.
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CN111099625A (zh) * | 2018-10-25 | 2020-05-05 | 中国石油化工股份有限公司 | 分子筛scm-24、其合成方法及其用途 |
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CN102482294B (zh) | 2009-06-19 | 2016-02-03 | 加利福尼亚大学董事会 | 复杂的混合配体开放骨架材料 |
EP2437867A4 (en) | 2009-06-19 | 2012-12-05 | Univ California | CARBON DIOXIDE DETECTION AND STORAGE WITH OPEN FRAMEWORK |
EP2467388A4 (en) | 2009-09-25 | 2014-12-17 | Univ California | OPEN METAL ORGANIC STRUCTURES WITH EXCEPTIONAL SURFACE AREA AND LARGE GAS STORAGE CAPACITY |
EP2585472A4 (en) | 2010-07-20 | 2014-02-12 | Univ California | FUNCTIONALIZATION OF ORGANIC MOLECULES USING METALLO-ORGANIC (MOF) NETWORKS AS CATALYSTS |
CA2812294A1 (en) | 2010-09-27 | 2012-06-21 | The Regents Of The University Of California | Conductive open frameworks |
EP2665733A4 (en) | 2011-01-21 | 2014-07-30 | Univ California | PREPARATION OF METAL-TRIAZOLATE NETWORKS |
JP2014507431A (ja) * | 2011-02-04 | 2014-03-27 | ザ リージェンツ オブ ザ ユニバーシティー オブ カリフォルニア | 金属カテコレート骨格体の製造 |
ES2645260T3 (es) | 2011-10-13 | 2017-12-04 | The Regents Of The University Of California | Estructura organometálica con apertura de poro excepcionalmente grande |
US9499555B2 (en) * | 2012-10-12 | 2016-11-22 | Council Of Scientific And Industrial Research | Porous crystalline frameworks, process for the preparation therof and their mechanical delamination to covalent organic nanosheets (CONS) |
PT106766B (pt) * | 2013-02-06 | 2017-01-02 | Inst Superior Técnico | Sensores óticos para deteção de boro baseados na utilização de 2,3,6,7,10,11-hexahidroxitrifenileno ou seus derivados |
US10035127B2 (en) | 2013-11-04 | 2018-07-31 | The Regents Of The University Of California | Metal-organic frameworks with a high density of highly charged exposed metal cation sites |
ES2768680T3 (es) | 2014-02-19 | 2020-06-23 | Univ California | Armazones organometálicos que tienen resistencia a los ácidos, a los disolventes, y térmica |
WO2015142944A2 (en) | 2014-03-18 | 2015-09-24 | The Regents Of The University Of California | Mesoscopic materials comprised of ordered superlattices of microporous metal-organic frameworks |
WO2015195179A2 (en) | 2014-03-28 | 2015-12-23 | The Regents Of The University Of California | Metal organic frameworks comprising a plurality of sbus with different metal ions and/or a plurality of organic linking ligands with different functional groups. |
WO2015175348A1 (en) * | 2014-05-16 | 2015-11-19 | University Of Houston System | Thermally robust, highly porous, and partially fluorinated organic framework with affinity for hydrocarbons, fluorocarbons and freons |
US10118877B2 (en) | 2014-12-03 | 2018-11-06 | The Regents Of The University Of California | Metal-organic frameworks for aromatic hydrocarbon separations |
WO2016094663A2 (en) | 2014-12-11 | 2016-06-16 | University Of Houston System | Adsorption of fluorinated anesthetics within the pores of molecular crystals |
KR101669169B1 (ko) * | 2014-12-19 | 2016-10-26 | 한국생산기술연구원 | 탄소 구조물 및 공유결합성 유기 골격구조체의 복합체, 이의 제조방법 및 이의 용도 |
US10058855B2 (en) | 2015-05-14 | 2018-08-28 | The Regents Of The University Of California | Redox-active metal-organic frameworks for the catalytic oxidation of hydrocarbons |
KR20180088422A (ko) | 2015-11-27 | 2018-08-03 | 더 리젠츠 오브 더 유니버시티 오브 캘리포니아 | 직조된 공유결합성 유기 골격체 |
US11370889B2 (en) * | 2018-05-18 | 2022-06-28 | The Regents Of The University Of California | Boroxine based dynamic thermosetting polymers |
JP2021052033A (ja) * | 2019-09-20 | 2021-04-01 | 東京エレクトロン株式会社 | 金属酸化物膜の形成方法及び成膜装置 |
JP2021052034A (ja) * | 2019-09-20 | 2021-04-01 | 東京エレクトロン株式会社 | 金属酸化物膜の形成方法及び成膜装置 |
CN111019149B (zh) * | 2019-12-12 | 2021-03-16 | 武汉理工大学 | Cof-5一维棒状晶体材料及其制备方法 |
CN113845658B (zh) * | 2021-08-26 | 2023-04-28 | 南京理工大学 | 多孔有机聚合物、制备方法及其应用 |
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CN111099625B (zh) * | 2018-10-25 | 2021-10-01 | 中国石油化工股份有限公司 | 分子筛scm-24、其合成方法及其用途 |
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WO2010056092A2 (ko) | 2010-05-20 |
US8692020B2 (en) | 2014-04-08 |
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JP5451766B2 (ja) | 2014-03-26 |
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