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US-11945734-B2 · Apr 2, 2024 · US
US9296847B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9296847-B2 |
| Application number | US-201514600117-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 20, 2015 |
| Priority date | Feb 18, 2010 |
| Publication date | Mar 29, 2016 |
| Grant date | Mar 29, 2016 |
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Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
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The invention claimed is: 1. A guanidinyl functional copolymer of the formula: -(M Lig ) y -(M Hydrophil ) x -(M hydrophob ) z -(M CO ) w *-, where -(M CO ) w * are carbonyl functional monomer units having “w*” polymerized monomer units, -(M Hydrophil ) x - are positively charged hydrophilic ionic monomer units having “x” polymerized monomer units; said hydrophilic ionic monomers selected from positively charged amino (meth)acrylates, amino (meth)acrylamides dialkylaminoalkylamine adducts of alkenylazlactones, 3-(dimethylamino)propylamine adducts of vinyldimethylazlactone) and diallylamine monomers, -(M hydrophob ) z - are hydrophobic monomer units having “z” polymerized monomer units; (M Lig ) y are guanidinyl ligand functional monomer units having “y” polymerized monomer units wherein the pendent guanidinyl groups of the guanidinyl ligand functional monomer units are of the of the formula: R 9 is C 2 to C 12 alkylene or C 5 -C 12 (hetero)arylene, each R 3 is independently H, —OH, C 1 -C 12 alkyl, or C 5 -C 12 (hetero)aryl, preferably H or C 1 -C 4 alkyl, R 4 is H, C 1 -C 12 alkyl, C 5 -C 12 (hetero)aryl, or —N(R 3 ) 2 , preferably H, or C 1 -C 4 alkyl, where y is 10 to less than 100 wt. % of the monomer units; x is 1 wt. % to 90 wt. % of the monomer units; and w* may be comprise 0 to 90 wt. % of the monomer units, and z is 0 to 20 wt. %, based on 100 wt. % total monomers. 2. The copolymer of claim 1 wherein x is at least 5 wt. %. 3. The copolymer of claim 1 wherein the pendent guanidinyl groups of the guanidinyl ligand functional monomer units are of the formula: wherein R 1 is H, C 1 -C 12 alkyl, or C 5 -C 12 (hetero)aryl, R 2 is a covalent bond, a C 2 to C 12 alkylene, or a C 5 -C 12 (hetero)arylene, R 9 is C 2 to C 12 alkylene or C 5 -C 12 (hetero)arylene, each R 3 is independently H, —OH, C 1 -C 12 alkyl, or C 5 -C 12 (hetero)aryl, each R 4 is H, C 1 -C 12 alkyl, C 5 -C 12 (hetero)aryl, or —N(R 3 ) 2 . 4. The copolymer of claim 1 derived from a carbonyl-functional (co)polymer selected from the group consisting of; acrolein, vinyl methyl ketone, vinyl ethyl ketone, vinyl isobutyl ketone, diacetone (meth)acrylamide, acetonyl acrylate, carbon monoxide copolymer, and diacetone (meth)acrylate(co)polymers. 5. The copolymer of claim 1 wherein the ionic monomers are positively charged monomers derived from compounds of the formula where X is —O— or —NR 3 —; R 7 is independently H or CH 3 , R 6 is a C 2 to C 10 alkylene, preferably C 2 -C 6 , each R 8 is independently hydrogen, alkyl, or hydroxyalkyl. 6. The copolymer of claim 1 further comprising monomers selected from acrylic acid; methacrylic acid; 2-acrylamido-2-methyl-1-propanesulfonic acid. 7. The copolymer of claim 1 further comprising a neutral hydrophilic monomer. 8. The copolymer of claim 7 wherein the neutral hydrophilic monomer is of the formula: R 3 —O—(CH(R 3 )—CH 2 —O) n —C(O)—C(R 3 )═CH 2 , wherein each R 3 is independently H or C 1 -C 4 alkyl, and n is at least 2. 9. The copolymer of claim 1 further comprising a hydrophobic monomer. 10. The copolymer of claim 1 wherein the copolymer comprises 1 to 20 wt. % of hydrophobic monomer units based on 100 wt. % total monomer. 11. The copolymer of claim 1 prepared by condensation of a carbonyl functional (co)polymer with a ligand compound of Formula I: wherein R 2 is a covalent bond, a C 2 to C 12 alkylene, a C 5 -C 12 (hetero)arylene, R 9 is C 2 to C 12 alkylene or C 5 -C 12 (hetero)arylene, each R 3 is independently H, —OH, C 1 -C 12 alkyl, or C 5 -C 12 (hetero)aryl, preferably H or C 1 -C 4 alkyl, R 4 is H, C 1 -C 12 alkyl, C 5 -C 12 (hetero)aryl, or —N(R 3 ) 2 , preferably H, or C 1 -C 4 alkyl. 12. The copolymer of claim 1 prepared by copolymerizing a monomer of the formula: wherein R 1 is H, C 1 -C 12 alkyl, or C 5 -C 12 (hetero)aryl, R 2 is a covalent bond, a C 2 to C 12 alkylene, a C 5 -C 12 (hetero)arylene, R 9 is C 2 to C 12 alkylene or C 5 -C 12 (hetero)arylene, each R 3 is independently H, —OH, C 1 -C 12 alkyl, or C 5 -C 12 (hetero)aryl, preferably H or C 1 -C 4 alkyl, R 4 is H, C 1 -C 12 alkyl, C 5 -C 12 (hetero)aryl, or —N(R 3 ) 2 , preferably H, or C 1 -C 4 alkyl, X is —O— or —NR 3 — R 6 is a C 2 to C 12 alkylene, and R 7 is H or CH 3 ; with an ionic hydrophilic monomer. 13. The copolymer of claim 1 prepared by copolymerizing a monomer of the formula: wherein R 1 is H, C 1 -C 12 alkyl, or C 5 -C 12 (hetero)aryl, R 2 is a covalent bond, a C 2 to C 12 alkylene, a C 5 -C 12 (hetero)arylene, R 9 is C 1 to C 12 alkylene or C 5 -C 12 (hetero)arylene, each R 3 is independently H, —OH, C 1 -C 12 alkyl, or C 5 -C 12 (hetero)aryl, R 4 is H, C 1 -C 12 alkyl, C 5 -C 12 (hetero)aryl, or —N(R 3 ) 2 , with an ionic hydrophilic monomer.
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