Composite membranes and methods for their preparation
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-071/72
B01D-069/12
B01D-069/14
B01D-067/00
출원번호
US-0995536
(2006-07-16)
등록번호
US-8807350
(2014-08-19)
국제출원번호
PCT/IL2006/000825
(2006-07-16)
§371/§102 date
20080723
(20080723)
국제공개번호
WO2007/007343
(2007-01-18)
발명자
/ 주소
Linder, Charles
Freger, Viatcheslav
Oren, Yoram
출원인 / 주소
Ben-Gurion University of The Negev Research & Development Authority
대리인 / 주소
Fuller, Rodney J.
인용정보
피인용 횟수 :
2인용 특허 :
19
초록▼
There is provided a composite membrane, which may include an electronically conductive asymmetric porous support and an electro-polymerized selective layer. There is also provided a composite membrane for water application(s), which may include an electronically conductive porous support and an elec
There is provided a composite membrane, which may include an electronically conductive asymmetric porous support and an electro-polymerized selective layer. There is also provided a composite membrane for water application(s), which may include an electronically conductive porous support and an electro-polymerized selective layer. Moreover, there is provided a composite membrane for gas application(s), which may include an electronically conductive asymmetric porous support and an electro-polymerized selective layer. There is also provided a membrane system which may include at least one composite membrane which may include an electronically conductive asymmetric porous support and an electro-polymerized selective layer. In addition there is provided a method for the preparation of a composite membrane.
대표청구항▼
1. A composite membrane comprising: (i) an electronically conductive porous support having asymmetric porosity comprising a mixture of non-conductive organic polymer and a conductive component selected from the group consisting of conductive particles and conductive polymer; and(ii) an electro-polym
1. A composite membrane comprising: (i) an electronically conductive porous support having asymmetric porosity comprising a mixture of non-conductive organic polymer and a conductive component selected from the group consisting of conductive particles and conductive polymer; and(ii) an electro-polymerized selective layer. 2. The membrane of claim 1, wherein said support is an ultrafiltration membrane. 3. The membrane of claim 1, wherein said conductive particles comprises metal(s), conductive nitride(s), conductive oxide(s), conductive carbide(s) or any combination thereof. 4. The membrane of claim 1, wherein said conductive polymer is a conductive redox polymer mixed in a compatible blend or a non-compatible blend, wherein the concentration of said conductive redox polymer is above the percolation point needed to achieve electronic conductivity. 5. The membrane of claim 1, wherein the electro-polymerized selective layer comprises an electro-polymerizable monomer units. 6. The membrane of claim 5, wherein the electro-polymerizable monomer units are polymerized into a conductive polymer. 7. The membrane of claim 6, wherein the electro-polymerizable monomer units comprise pyrrole, thiophene, aniline, carbazole, azulene, furan, derivatives thereof or any combination thereof. 8. The membrane of claim 5, wherein the electro-polymerizable monomer units are polymerized into a non-conductive polymer. 9. The membrane of claim 8, wherein the non-conductive polymer comprises aromatic monomer units having at least one aromatic hydroxyl group or a derivative thereof. 10. The membrane of claim 9, wherein the aromatic monomer units having at least one aromatic hydroxyl group or a derivative thereof comprises polyphenol. 11. The membrane of claim 9, wherein the aromatic monomer units having at least on aromatic hydroxyl group or a derivative thereof comprises a chlorinated hydroxydiphenylether. 12. The membrane of claim 1, wherein said electro-polymerized selective layer comprises a first and a second electro-polymerized selective layers, wherein said first electro-polymerized selective layer is disposed on the surface of said support and said second electro-polymerized selective layer is disposed on the surface of said first electro-polymerized selective layer. 13. The membrane of claim 1, wherein said membrane is a nanofiltration membrane. 14. The membrane of claim 1, wherein said membrane is a reverse osmosis membrane. 15. A composite membrane for water application(s) comprising; (i) an electronically conductive porous support having asymmetric porosity comprising a mixture of non-conductive organic polymer and a conductive component selected from the group consisting of conductive particles and conductive polymer; and(ii) an electro-polymerized selective layer. 16. A composite membrane for gas application(s) comprising; (i) an electronically conductive asymmetric porous support having asymmetric porosity comprising a mixture of non-conductive organic polymer and a conductive component selected from the group consisting of conductive particles and conductive polymer; and(ii) an electropolymerized selective layer. 17. A membrane system comprising at least one composite membrane comprising; (i) an electronically conductive asymmetric porous support having asymmetric porosity comprising a mixture of non-conductive organic polymer and a conductive component selected from the group consisting of conductive particles and conductive polymer; and(ii) an electro-polymerized selective layer. 18. The membrane system of claim 17, wherein said membrane is adapted for use in water application(s), gas application(s) or both. 19. The membrane system of claim 18, wherein said at least one composite membrane is configured as a capillary, hollow fiber, tubular membrane or any combination thereof. 20. The membrane of claim 1, wherein said conductive particles comprise activated carbon, charcoal, carbon black, carbon soot, nano-tubes, graphite, amorphous carbon or any combination thereof.
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