Colorant treated ion exchange resins, method of making, heat transfer systems and assemblies containing the same, and method of use
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-008/04
H01M-008/12
출원번호
UP-0222506
(2005-09-08)
등록번호
US-7611787
(2009-11-16)
발명자
/ 주소
Yang, Bo
Woyciesjes, Peter M.
Marinho, Filipe J.
Gershun, Aleksei V.
출원인 / 주소
Honeywell International Inc.
대리인 / 주소
Cantor Colburn LLP
인용정보
피인용 횟수 :
1인용 특허 :
17
초록▼
Disclosed is a colorant treated ion exchange resin comprising at least 15% of exchangeable groups comprising at least one of an ion, a Lewis acid, or a Lewis base resulting from a colorant having a pKa or pKb of greater than 5 in an aqueous solution at 25° C., based on the total number of exchangeab
Disclosed is a colorant treated ion exchange resin comprising at least 15% of exchangeable groups comprising at least one of an ion, a Lewis acid, or a Lewis base resulting from a colorant having a pKa or pKb of greater than 5 in an aqueous solution at 25° C., based on the total number of exchangeable groups. Also disclosed are heat transfer systems, assemblies, fuel cell systems and methods of maintaining a conductivity of less than 200 μS/cm in a heat transfer fluid that employ the disclosed colorant treated ion exchange resins. Finally, a method of making the disclosed colorant treated ion exchange resins is provided.
대표청구항▼
The invention claimed is: 1. An ion exchange resin comprising at least 15% by total number of exchangeable groups comprising at least one of an ion, a Lewis acid, or a Lewis base resulting from a colorant having a pKa or pKb of greater than 5 in an aqueous solution at 25° C., based on the total num
The invention claimed is: 1. An ion exchange resin comprising at least 15% by total number of exchangeable groups comprising at least one of an ion, a Lewis acid, or a Lewis base resulting from a colorant having a pKa or pKb of greater than 5 in an aqueous solution at 25° C., based on the total number of exchangeable groups; and wherein the colorant is of the formula: R{Ak[(B)nR1]m}x wherein R is an organic chromophore selected from the group consisting of anthraquinone, triphenylmethane, diphenylmethane, azo containing compounds, disazo containing compounds, trisazo containing compounds, diazo containing compounds, xanthene, acridine, indene, phthalocyanine, azaannulene, nitroso, nitro, diarylmethane, triarylmethane, methine, indamine, azine, oxazine, thiazine, quinoline, indigoid, indophenol, lactone, aminoketone, hydroxyketone, stilbene, thiazole, one or more conjugated aromatic groups, one or more conjugated heterocyclic groups, one or more conjugated C--C double bonds, and combinations thereof; A is a linking moiety in said chromophore and is selected from the group consisting of O, N and S; k is 0 or 1; B is selected from the group consisting of one or more alkyleneoxy or alkoxy groups containing from 1 to 8 carbon atoms; n is an integer of from 1 to 100; m is 1 or 2; x is an integer of from 1 to 5; and R1 is selected from the group consisting of H, C1-C6 alkyl or alkoxy groups containing from 1 to 8 carbon atoms, and combinations thereof. 2. The ion exchange resin of claim 1 wherein the colorant is substantially free of functional groups that will form an ionic species due to hydrolysis in an aqueous alcohol solution. 3. The ion exchange resin of claim 2 wherein the colorant is substantially free of functional groups selected from the group consisting of carboxylate groups, sulfonate groups, phosphonate groups, quaternary amines, groups that carry a positive charge, and groups that carry a negative charge. 4. The ion exchange resin of claim 1 wherein the colorant at least one chromophore selected from the group consisting of anthraquinone, triphenylmethane, diphenylmethane, azo containing compounds, disazo containing compounds, trisazo containing compounds, diazo containing compounds, or combinations thereof. 5. An assembly powered by an alternative power source comprising an alternative power source and a heat transfer system in thermal communication with the alternative power source, the heat transfer system comprising a circulation loop defining a flow path for a heat transfer fluid having a conductivity of less than 200 μS/cm, and an ion exchange resin positioned in the flow path, the ion exchange resin comprising ion exchangeable groups, wherein at least 15% of the total ion exchangeable groups comprise at least one of an ion, a Lewis acid, or a Lewis base resulting from a colorant having a pKa or pKb of greater than 5 in an aqueous solution at 25° C., based on the total number of exchangeable groups; and wherein the colorant is of the formula: R{Ak[(B)nR1]m}x wherein R is an organic chromophore selected from the group consisting of anthraquinone, triphenylmethane, diphenylmethane, azo containing compounds, disazo containing compounds, trisazo containing compounds, diazo containing compounds, xanthene, acridine, indene, phthalocyanine, azaannulene, nitroso, nitro, diarylmethane, triarylmethane, methine, indamine, azine, oxazine, thiazine, quinoline, indigoid, indophenol, lactone, aminoketone, hydroxyketone, stilbene, thiazole, one or more conjugated aromatic groups, one or more conjugated heterocyclic groups, one or more conjugated C--C double bonds, and combinations thereof; A is a linking moiety in said chromophore and is selected from the group consisting of O, N and S; k is 0 or 1; B is selected from the group consisting of one or more alkyleneoxy or alkoxy groups containing from 1 to 8 carbon atoms; n is an integer of from 1 to 100; m is 1 or 2; x is an integer of from 1 to 5; and R1 is selected from the group consisting of H, C1-C6 alkyl or alkoxy groups containing from 1 to 8 carbon atoms, and combinations thereof.
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