Surface functionalization of metal organic frameworks for mixed matrix membranes
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/22
B01D-071/68
B01D-071/48
B01D-071/56
B01D-071/50
B01D-071/10
B01D-071/54
B01D-071/52
B01D-071/64
B01D-071/60
출원번호
US-0519743
(2014-10-21)
등록번호
US-9597643
(2017-03-21)
발명자
/ 주소
Albenze, Erik
Lartey, Michael
Li, Tao
Luebke, David R.
Nulwala, Hunaid B.
Rosi, Nathaniel L.
Venna, Surendar R.
출원인 / 주소
U.S. Department of Energy
대리인 / 주소
Heafner, Jacob A.
인용정보
피인용 횟수 :
0인용 특허 :
10
초록▼
Mixed Matrix Membrane (MMM) are composite membranes for gas separation and comprising a quantity of inorganic filler particles, in particular metal organic framework (MOF), dispersed throughout a polymer matrix comprising one or more polymers. This disclosure is directed to MOF functionalized throug
Mixed Matrix Membrane (MMM) are composite membranes for gas separation and comprising a quantity of inorganic filler particles, in particular metal organic framework (MOF), dispersed throughout a polymer matrix comprising one or more polymers. This disclosure is directed to MOF functionalized through addition of a pendant functional group to the MOF, in order to improve interaction with a surrounding polymer matrix in a MMM. The improved interaction aids in avoiding defects in the MMM due to incompatible interfaces between the polymer matrix and the MOF particle, in turn increasing the mechanical and gas separation properties of the MMM. The disclosure is also directed to a MMM incorporating the surface functionalized MOF.
대표청구항▼
1. A metal organic framework comprising: a plurality of metal building units;a plurality of linking ligands where linking ligand is chemically bound to at least two metal building units; and,a plurality of pendant functional groups where pendant functional group is chemically bound to less than or a
1. A metal organic framework comprising: a plurality of metal building units;a plurality of linking ligands where linking ligand is chemically bound to at least two metal building units; and,a plurality of pendant functional groups where pendant functional group is chemically bound to less than or about 20% of the plurality of linking ligands. 2. The metal organic framework of claim 1 where pendant functional group is bound to less than or about 10% of the plurality of linking ligands. 3. The metal organic framework of claim 1 where pendant functional group is bound to less than or about 5% of the plurality of linking ligands. 4. The metal organic framework of claim 1 where addition of the pendant functional group is to a functional group of the linking ligand, where the functional group is selected from the group comprising carboxylate, amine, azide, hydroxyl, aliphatic amine, methyl, and halide. 5. The metal organic framework of claim 4 where addition of the pendant functional group is to a functional group of the linking ligand, where the functional group is selected from the group comprising carboxylate, amine, hydroxyl, and halides. 6. The metal organic framework of claim 1 where the pendant functional group is a C1-C18 saturated or unsaturated straight chain, branched or cyclic alkane, alkene, alkyne, or ester. 7. The metal organic framework of claim 6 where the pendant functional group incorporates a functional group selected from the group comprising alkenyl, 4-8 member heterocyclic or homocyclic rings, carbonyl, carboxyl, hydroxyl, amine, amide, imine, imide, thiols, sulfides, and sulfones. 8. The metal organic framework of claim 6 where the pendant functional group incorporates a functional group selected from the group comprising alkenyl, 5-6 member homocyclic or heterocyclic rings, carbonyl, carboxyl, hydroxyl, amine, imide, and thiols. 9. The metal organic framework of claim 1 where the metal building unit is selected from the group comprising Co, Cu, Cd, Fe, Mg, Mn, Ni, Ru, Zn, and Zr. 10. The metal organic framework of claim 9 further comprising a. where the metal building unit is selected from the group comprising Co, Cu, Cd, Fe, Mg, Mn, Ni, Ru, and Zn;b. where addition of the pendant functional group is to a functional group of the linking ligand, where the functional group is selected from the group comprising carboxylate, amine, azide, hydroxyl, aliphatic amine, methyl, and halides; and,c. where the pendant functional group is a C1-C18 saturated or unsaturated straight chain, branched or cyclic alkane, alkene, alkyne, or ester. 11. The metal organic framework of claim 9 further comprising a. where the metal building unit is selected from the group comprising Co, Cu, Cd, Fe, Mg, Mn, Ni Ru, and Zn;b. where addition of the pendant functional group is to a functional group of the linking ligand, where the functional group is selected from the group of carboxylate, amine, azide, hydroxyl, aliphatic amine, methyl, and halides;c. where the pendant functional group is C1-C18 saturated or unsaturated straight chain, branched or cyclic alkane, alkene, alkyne, or ester; and,d. where addition of pendant functional group is bonded to less than or about 10% of the plurality of linking ligands. 12. The metal organic framework of claim 9 further comprising a. where the metal building unit is selected from the group comprising Co, Cu, Cd, Fe, Mg, Mn, Ni, Ru, and Zn;b. where addition of the pendant functional group is to a functional group of the linking ligand, where the functional group is selected from the group of carboxylate, amine, hydroxyl, and halides; and,c. where the pendant functional group is a C1-C18 saturated or unsaturated straight chain, branched or cyclic alkane, alkene, alkyne, or ester. 13. The metal organic framework of claim 9 further comprising a. where the metal building unit is selected from the group comprising Co, Cu, Cd, Fe, Mg, Mn, Ni, Ru, and Zn;b. where addition of the pendant functional group is to a functional group of the linking ligand, where functional group is selected from the group of carboxylate, amine, hydroxyl, and halides;c. where the pendant functional group is C1-C18 saturated unsaturated straight chain, branched or cyclic alkane, alkene, alkyne, or ester; and,d. where addition of pendant functional group is bonded to less than or about 10% of the plurality of linking ligands. 14. The metal organic framework of claim 9 further comprising a. where the metal building unit is selected from the group comprising Co, Cu, Cd, Fe, Mg, Mn, Ni, Ru, and Zn;b. where addition of the pendant functional group is to a functional group of he linking ligand, where the functional group is selected from the group of carboxylate, amine, azide, hydroxyl, aliphatic amine, methyl, and halides; and,c. where the pendant functional group incorporates a functional group selected from alkenyl, 4-8 member heterocyclic or homocyclic rings, carbonyl, carboxyl, hydroxyl, amine, amide, imine, imide, thiols, sulfides, and sulfones. 15. The metal organic framework of claim 9 further comprising a. where the metal building unit is selected from the group comprising Co, Cu, Cd, Fe, Mg, Mn, Ni, Ru, and Zn;b. where addition of the pendant functional group is to a functional group of the linking ligand, where the functional group is selected from the group of carboxylate, amine, azide, hydroxyl, aliphatic amine, methyl, and halides; and,c. where the pendant functional group incorporates a functional group selected from alkenyl, 5-6 member homocyclic or heterocyclic rings, carbonyl, carboxyl, hydroxyl, amine, imide, and thiols. 16. The metal organic framework of claim 9 further comprising a. where the metal building unit is selected from the group comprising Co, Cu, Cd, Fe, Mg, Mn, Ni, Ru, and Zn;b. where addition of the pendant functional group is to a functional group of the linking ligand, where the functional group is selected from the group of carboxylate, amine, azide, hydroxyl, aliphatic amine, methyl, and halides; and,c. where the pendant functional group is a incorporates a functional group selected from alkenyl, 5-6 member homocyclic or heterocyclic rings, carbonyl, carboxyl, hydroxyl, amine, imide, and thiols; and,d. where addition of the pendant functional group is bonded to less than or about 10% of the plurality of linking ligands.
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이 특허에 인용된 특허 (10)
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