Composite membrane with support comprising poly(phenylene ether) and amphilphilic polymer; method of making; and separation module thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-067/00
B01D-069/02
B01D-069/10
B01D-069/12
B01D-071/08
B01D-071/52
B01D-071/56
B01D-071/76
B01D-071/78
B01D-071/80
출원번호
US-0303556
(2015-04-30)
등록번호
US-10207230
(2019-02-19)
국제출원번호
PCT/US2015/028532
(2015-04-30)
국제공개번호
WO2015/168414
(2015-11-05)
발명자
/ 주소
Berzinis, Albin Peter
Bajaj, Pooja
Halbfinger, Rachel Elizabeth
Bikel, Matias
출원인 / 주소
SABIC GLOBAL TECHNOLOGIES B.V.
대리인 / 주소
Cantor Colburn LLP
인용정보
피인용 횟수 :
0인용 특허 :
37
초록▼
A porous composite membrane includes a porous support layer of a poly(phenylene ether) or poly(phenylene ether) copolymer; and an amphiphilic copolymer having a hydrophobic block and a hydrophilic block or graft, wherein the hydrophobic block includes a polystyrene block, a poly(phenylene ether) blo
A porous composite membrane includes a porous support layer of a poly(phenylene ether) or poly(phenylene ether) copolymer; and an amphiphilic copolymer having a hydrophobic block and a hydrophilic block or graft, wherein the hydrophobic block includes a polystyrene block, a poly(phenylene ether) block, or a poly(phenylene ether) copolymer block; and an ultrathin, cross-linked, water permeable layer, which is the reaction product of an electrophilic monomer and a nucleophilic monomer, in contact with a side of the porous support layer. The reaction product can be a polyamide that is the interfacial condensation product of: an aromatic, polyfunctional acyl halide comprising of 3 to 6 acyl halide groups per aromatic ring and an aromatic polyamine comprising at least two primary amine groups and a maximum number of primary amine groups that is less than or equal to the number of acyl halide groups on the polyfunctional acyl halide.
대표청구항▼
1. A porous composite membrane comprising: a porous support layer comprising a blend of a hydrophobic polymer comprising a poly(phenylene ether) or poly(phenylene ether) copolymer; and an amphiphilic copolymer comprising a hydrophobic block comprising a polystyrene block, a poly(phenylene ether) blo
1. A porous composite membrane comprising: a porous support layer comprising a blend of a hydrophobic polymer comprising a poly(phenylene ether) or poly(phenylene ether) copolymer; and an amphiphilic copolymer comprising a hydrophobic block comprising a polystyrene block, a poly(phenylene ether) block or a poly(phenylene ether) copolymer block, and a hydrophilic block or graft; andan ultrathin, cross-linked, water permeable layer in contact with a side of the porous support layer, and comprising the reaction product of an electrophilic monomer and a nucleophilic monomer. 2. The porous composite membrane of claim 1, wherein the hydrophobic polymer comprises a poly(phenylene ether) comprising repeat units having the structure: whereineach occurrence of Z1 is independently halogen, unsubstituted or substituted C1-C12 hydrocarbyl provided that the hydrocarbyl group is not tertiary hydrocarbyl, C1-C12 hydrocarbylthio, C1-C12 hydrocarbyloxy, or C2-C12 halohydrocarbyloxy wherein at least two carbon atoms separate the halogen and oxygen atoms; andeach occurrence of Z2 is independently hydrogen, halogen, unsubstituted or substituted C1-C12 hydrocarbyl provided that the hydrocarbyl group is not tertiary hydrocarbyl, C1-C12 hydrocarbylthio, C1-C12 hydrocarbyloxy, or C2-C12 halohydrocarbyloxy wherein at least two carbon atoms separate the halogen and oxygen atoms. 3. The porous composite membrane of claim 1, wherein the poly(phenylene ether) or poly(phenylene ether) copolymer comprises: 100 to 20 mole percent repeat units derived from 2,6-dimethylphenol; and0 to 80 mole percent repeat units derived from a second monohydric phenol having the structure wherein Z is C1-12 alkyl or cycloalkyl, or a monovalent group having the structure wherein q is 0 or 1, and R1 and R2 are independently hydrogen or C1-C6 alkyl; wherein the mole percents are based on the total moles of all repeat units; andwherein the poly(phenylene ether) or poly(phenylene ether) copolymer has an intrinsic viscosity of 0.7 to 1.5 deciliters per gram, measured in chloroform at 25° C. 4. The porous composite membrane of claim 3, wherein the hydrophobic polymer comprises a poly(phenylene ether) copolymer comprising: 80 to 20 mole percent repeat units derived from 2,6-dimethylphenol; and20 to 80 mole percent repeat units derived from the second monohydric phenol. 5. The porous composite membrane of claim 4, wherein the second monohydric phenol is 2-methyl-6-phenylphenol. 6. The porous composite membrane of claim 1, wherein the hydrophobic polymer has an intrinsic viscosity of 0.7 to 1.5 deciliters per gram, measured in chloroform at 25° C. 7. The porous composite membrane of claim 1, wherein the solubility of the hydrophobic polymer in the water-miscible polar aprotic solvent is 50 to 400 grams per kilogram at 25° C., based on the combined weight of the poly(phenylene ether) copolymer and the solvent. 8. The porous composite membrane of claim 1, wherein the amphiphilic block copolymer comprises 20 to 50 weight percent of the hydrophobic block and 50 to 80 weight percent of the hydrophilic block or graft. 9. The porous composite membrane of claim 1, wherein the hydrophobic block of the amphiphilic block copolymer comprises polystyrene. 10. The porous composite membrane of claim 1, wherein the hydrophobic block of the amphiphilic block copolymer comprises a poly(phenylene ether) block comprising repeat units having the structure: whereineach occurrence of Z1 is independently halogen, unsubstituted or substituted C1-C12 hydrocarbyl provided that the hydrocarbyl group is not tertiary hydrocarbyl, C1-C12 hydrocarbylthio, C1-C12 hydrocarbyloxy, or C2-C12 halohydrocarbyloxy wherein at least two carbon atoms separate the halogen and oxygen atoms; andeach occurrence of Z2 is independently hydrogen, halogen, unsubstituted or substituted C1-C12 hydrocarbyl provided that the hydrocarbyl group is not tertiary hydrocarbyl, C1-C12 hydrocarbylthio, C1-C12 hydrocarbyloxy, or C2-C12 halohydrocarbyloxy wherein at least two carbon atoms separate the halogen and oxygen atoms. 11. The porous composite membrane of claim 1, wherein the hydrophobic block of the amphiphilic block copolymer comprises a poly(phenylene ether) block or poly(phenylene ether) copolymer block comprising: 100 to 20 mole percent repeat units derived from 2,6-dimethylphenol; and0 to 80 mole percent repeat units derived from a second monohydric phenol having the structure wherein Z is C1-12 alkyl or cycloalkyl, or a monovalent group having the structure wherein q is 0 or 1, and R1 and R2 are independently hydrogen or C1-C6 alkyl; wherein all mole percents are based on the total moles of all repeat units; andwherein the poly(phenylene ether) block is derived from a poly(phenylene ether) having an intrinsic viscosity of 0.1 to 0.5 deciliters per gram, measured in chloroform at 25° C. 12. The porous composite membrane of claim 11, wherein the hydrophobic block of the amphiphilic block copolymer comprises a poly(phenylene ether) copolymer block comprising: 80 to 20 mole percent repeat units derived from 2,6-dimethylphenol; and20 to 80 mole percent repeat units derived from the second monohydric phenol. 13. The porous composite membrane of claim 12, wherein the second monohydric phenol is 2-methyl-6-phenylphenol. 14. The porous composite membrane of claim 1, wherein the hydrophilic block or graft of the amphiphilic block copolymer comprises a polymerized hydrophilic ethylenically unsaturated monomer. 15. The porous composite membrane of claim 14, wherein the hydrophilic ethylenically unsaturated monomer comprises methoxy-capped poly(ethylene oxide) methacrylate, 4-vinylpyridine, N-vinylpyrrolidone, N,N-dimethylacrylamide, 4-acryloylmorpholine, or a combination comprising at least one of the foregoing. 16. The porous composite membrane of claim 1, wherein the hydrophilic block or graft of the amphiphilic block copolymer comprises poly(ethylene oxide) or a copolymer of ethylene oxide with 1,2-propylene oxide, 1,2-butylene oxide, styrene oxide, or a combination comprising at least one of the foregoing, wherein the hydrophilic block or graft comprises sufficient ethylene oxide repeat units for the hydrophilic block to be hydrophilic. 17. The porous composite membrane of claim 1, wherein the hydrophobic block or graft of the amphiphilic block copolymer comprises polystyrene, and the hydrophilic block of the amphiphilic block copolymer comprises poly(ethylene oxide). 18. The porous composite membrane of claim 1, further comprising an additional hydrophobic polymer, wherein the additional hydrophobic polymer is poly(2,6-dimethyl-1,4-phenylene ether), polyethersulfone, polysulfone, polyphenylsulfone, or a combination comprising at least one of the foregoing. 19. The porous composite membrane of claim 1, wherein the cross-linked, water permeable layer comprises a polyamide that is the interfacial condensation product of an aromatic, polyfunctional acyl halide comprising 3 to 6 acyl halide groups per aromatic ring, dissolved in a non-polar solvent, and an aromatic polyamine comprising a number of primary amine groups that is at least two and less than or equal to the number of acyl halide groups on the polyfunctional acyl halide, dissolved in a polar solvent. 20. The porous composite membrane of claim 19, wherein the polyamide comprises the interfacial condensation product of 1,3,5-trimesoyl chloride dissolved in a non-polar solvent, and m-phenylene diamine dissolved in a polar solvent. 21. The porous composite membrane of claim 1, wherein the hydrophobic block of the amphiphilic copolymer comprises polystyrene.
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