Nanonets for removal of contaminants from aqueous solutions, kits therefor and methods of their use
AssigneeCarbonet Nanotechnologies Inc.
InventorsMichael Carlson, Macarena Cataldo-Hernandez, Anne Marie Culotta, Khatera Hazin
Life of this patent
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Abstract
Provided are nanonets comprising a) a surfactant aggregate having an average aggregate diameter; and b) a polymer having an average particle diameter which average particle diameter is the same or smaller than the average aggregate diameter, wherein the nanonet has a diameter larger than the average particle diameter. Also provided are kits therefor and methods for sequestering non-water moieties from aqueous solutions using nanonets.
Claims75
A nanonet comprising:
- a) a surfactant aggregate having an average aggregate diameter;
- and
- b) a polymer having an alkyl chain having at least 8 carbon atoms in length and having an average particle diameter in which the average particle diameter is the same or smaller than the average aggregate diameter, wherein the polymer is selected from the group consisting of:
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 3:1 and a Mw of 130,000 g/mol,
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 7,500 g/mol,
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 3:1 and a Mw of 9,000 g/mol,
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 22,000 g/mol,
- polymethacrylate, di-isobutylene-co-maleic acid (DIBMA), styrene carbamate block co-polymers, and styrene maleimide block co-polymers,
- provided that when the surfactant is selected from the group consisting of:
- 2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy]ethanol (C14H22O(C2H40)n (n=9-10)), 2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy]ethanol (C14H22O(C2H4O)n (n=30)), N-dodecyl-beta-D-maltoside (DDM), sodium oleate, sodium cholate, sodium deoxycholate (DOC), beta-octyl glucoside (Beta-OG), lauryl dimethylamine n-oxide (LDAO), then the polymer is not selected from the group consisting of:
- poly(Styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 7,500 g/mol, poly(Styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 22,000 g/mol, and Di-isobutylene-co-maleic acid (DIBMA).
A method of sequestering a non-water moiety from an aqueous solution, the method comprising:
- a) adding a surfactant aggregate having an average aggregate diameter to the aqueous solution comprising the non-water moiety;
- and
- b) adding a polymer having an average particle diameter in which the average particle diameter is the same or smaller than the average aggregate diameter to the aqueous solution comprising the non-water moiety, wherein the polymer is selected from the group consisting of:
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 3:1 and a Mw of 130,000 g/mol,
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 7,500 g/mol,
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 3:1 and a Mw of 9,000 g/mol,
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 22,000 g/mol,
- polymethacrylate, di-isobutylene-co-maleic acid (DIBMA), styrene carbamate block co-polymers, and styrene maleimide block co-polymers, thereby forming a treated aqueous solution,
- provided that when the surfactant is selected from the group consisting of:
- 2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy]ethanol (C14H22O(C2H4O)n (n=9-10)), 2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy]ethanol (C14H22O(C2H4O)n (n=30)), N-dodecyl-beta-D-maltoside (DDM), sodium oleate, sodium cholate, sodium deoxycholate (DOC), beta-octyl glucoside (Beta-OG), lauryl dimethylamine n-oxide (LDAO), then the polymer is not selected from the group consisting of:
- poly(Styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 7,500 g/mol, poly(Styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 22,000 g/mol, and Di-isobutylene-co-maleic acid (DIBMA).
A method of sequestering a non-water moiety from an aqueous solution, the method comprising adding a nanonet, the nanonet comprising:
- a) a surfactant aggregate having an average aggregate diameter;
- and
- b) a polymer having an average particle diameter in which the average particle diameter is the same or smaller than the average aggregate diameter, wherein the polymer is selected from the group consisting of:
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 3:1 and a Mw of 130,000 g/mol,
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 7,500 g/mol,
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 3:1 and a Mw of 9,000 g/mol,
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 22,000 g/mol,
- polymethacrylate, di-isobutylene-co-maleic acid (DIBMA), styrene carbamate block co-polymers, and styrene maleimide block co-polymers,
- provided that when the surfactant is selected from the group consisting of:
- 2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy ethanol (C14H22O(C2H4O)n (n=9-10)), 2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy]ethanol (C14H22O(C2H4O)n (n=30)), N-dodecyl-beta-D-maltoside (DDM), sodium oleate, sodium cholate, sodium deoxycholate (DOC), beta-octyl glucoside (Beta-OG), lauryl dimethylamine n-oxide (LDAO), then the polymer is not selected from the group consisting of:
- poly(Styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 7,500 g/mol, poly(Styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 22,000 g/mol, and Di-isobutylene-co-maleic acid (DIBMA) to the aqueous solution comprising a non-water moiety, thereby forming a treated aqueous solution.
A nanonet comprising:
- a) a water soluble surfactant aggregate having an average aggregate diameter;
- and
- b) a polymer having an average particle diameter in which the average particle diameter is the same or smaller than the average aggregate diameter, wherein the polymer is selected from the group consisting of:
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 3:1 and a Mw of 130,000 g/mol,
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 7,500 g/mol,
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 3:1 and a Mw of 9,000 g/mol,
- poly (styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 22,000 g/mol,
- polymethacrylate, di-isobutylene-co-maleic acid (DIBMA), styrene carbamate block co-polymers, and styrene maleimide block co-polymers,
- provided that when the surfactant is selected from the group consisting of:
- 2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy]ethanol (C14H22O(C2H4O)n (n=9-10)), 2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy]ethanol (C14H22O(C2H4O)n (n=30)), N-dodecyl-beta-D-maltoside (DDM), sodium oleate, sodium cholate, sodium deoxycholate (DOC), beta-octyl glucoside (Beta-OG), lauryl dimethylamine n-oxide (LDAO), then the polymer is not selected from the group consisting of:
- poly(Styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 7,500 g/mol, poly(Styrene-co-maleic anhydride) having a styrene:
- maleic anhydride ratio of 2:1 and a Mw of 22,000 g/mol, and Di-isobutylene-co-maleic acid (DIBMA).
Dependencies are inferred from the claim text.