Biodegradable, controlled release microcapsules
US-11952492-B2 · Apr 9, 2024 · US
US10208155B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10208155-B2 |
| Application number | US-201514863830-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 24, 2015 |
| Priority date | Sep 26, 2014 |
| Publication date | Feb 19, 2019 |
| Grant date | Feb 19, 2019 |
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The invention relates to a compound prepared by (i) reacting (a) at least one compound selected from diisocyanate, polyisocyanate, or mixture thereof; (b) at least one isocyanate-reactive compound selected from a fluorinated alcohol; a cyclic or acyclic sugar alcohol which is substituted with at least one —R1, —C(O)R1, —(CH2CH2O)n(CH(CH3)CH2O)mR2, —(CH2CH2O)n(CH(CH3)CH2O)mC(O)R1, or mixtures thereof; or mixtures of a fluorinated alcohol and a substituted cyclic or acyclic sugar alcohol; and (c) at least one isocyanate-reactive ethylenically unsaturated compound; wherein each n is independently 0 to 20; each m is independently 0 to 20; m+n is greater than 0; each R1 is independently a linear or branched alkyl group having 5 to 29 carbons optionally comprising at least 1 unsaturated bond; each R2 is independently —H, or a linear or branched alkyl group having 6 to 30 carbons optionally comprising at least 1 unsaturated bond, or mixtures thereof; and (ii) reacting the reaction product of step (i) with a bisulfate source.
Opening claim text (preview).
What is claimed is: 1. A compound having 0 to about 1% reactive isocyanate groups comprising the reaction product of reagents comprising: (a) at least one isocyanate group-containing compound selected from diisocyanate, polyisocyanate, or mixture thereof; (b) at least one isocyanate-reactive compound selected from the group consisting of a fluorinated alcohol; a cyclic or acyclic sugar alcohol which is substituted with at least one R 1 , —C(O)R 1 , —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 , —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 , or mixtures thereof; and mixtures of a fluorinated alcohol and a cyclic or acyclic sugar alcohol which is substituted with at least one R 1 , —C(O)R 1 , —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 , —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 , or mixtures thereof; where the cyclic or acyclic sugar alcohol is selected from a saccharide, reduced sugar, aminosaccharide, aldonic acid, or aldonic acid lactone; wherein each n is independently 0 to 20; each m is independently 0 to 20; m+n is greater than 0; each R 1 is independently a linear or branched alkyl group having 5 to 29 carbons optionally comprising at least 1 unsaturated bond; each R 2 is independently —H, or a linear or branched alkyl group having 6 to 30 carbons optionally comprising at least 1 unsaturated bond, or mixtures thereof; (c) at least one isocyanate-reactive ethylenically unsaturated compound selected from allylic or methallylic polyether alcohols, aminoalkyl vinyl compounds, acrylic or methacrylic alkyl alcohols, acrylic or methacrylic polyether alcohols, or acrylic or methacrylic amines; and (d) a bisulfate source. 2. The compound of claim 1 , where the isocyanate-reactive compound (b) is selected from formulas (IIa), (IIb), or (IIc): wherein each R is independently —H; —R 1 ; —C(O)R 1 ; —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 ; or —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 ; each n is independently 0 to 20; each m is independently 0 to 20; m+n is greater than 0; r is 1 to 3; a is 0 or 1; p is independently 0 to 2; provided that a is 0 when r is 3; each R 1 is independently a linear or branched alkyl group having 5 to 29 carbons optionally comprising at least 1 unsaturated bond; each R 2 is independently —H, or a linear or branched alkyl group having 6 to 30 carbons optionally comprising at least 1 unsaturated bond; or a mixtures thereof, provided when formula (IIa) is chosen, then at least one R is —H and at least one R is a —R 1 ; —C(O)R 1 ; —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 ; or —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 ; each R 4 is independently —H, a linear or branched alkyl group having 6 to 30 carbons optionally comprising at least 1 unsaturated bond, or combinations thereof; —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 ; or —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 ; provided when formula (IIb) is chosen, then at least one R or R 4 is —H; and at least one R or R 4 is a linear or branched alkyl group optionally comprising at least 1 unsaturated bond, or combinations thereof; —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 ; or —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 ; and each R 19 is —H, —C(O)R 1 , or —CH 2 C[CH 2 OR] 3 , provided when formula (IIc) is chosen, then at least one R 19 or R is —H; and at least one R 19 or R is —C(O)R 1 , —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 ; or —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 . 3. The compound of claim 2 wherein the isocyanate-reactive compound (b) is selected from formula (IIa) to be formula (IIa′): wherein R is further limited to independently —H; —R 1 ; or —C(O)R 1 . 4. The compound of claim 2 wherein the isocyanate-reactive compound (b) is selected from formula (IIa) to be formula (IIa′): wherein R is further limited to independently —H; —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 ; or —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 . 5. The compound of claim 1 , where the isocyanate-reactive compound (b) is a fluorinated alcohol having formula (I) R f -A-OH (I), where R f is a C 1 to C 20 fluoroalkyl group optionally interrupted by CH 2 , CH 2 CH 2 , SO 2 N, CFH, S, or O; and A is a direct bond or a C 1 to C 6 alkylene group. 6. The compound of claim 1 , where the bisulfate source (d) is a metabisulfite salt, a bisulfite salt, or a mixture of SO 2 and base. 7. The compound of claim 1 , wherein the diisocyanate or polyisocyanate is selected from formulas (IIIa), (IIIb), (IIIc), (IIId), and (IIIe): 8. The compound of claim 1 , wherein the reagents further comprise at least one additional isocyanate-reactive compound (e) selected from water, organic compounds of formula (IVa) R 5 -D (IVa), or organic compounds of formula (IVb) R 3 —(OCH 2 CH(OR 3 )CH 2 )z-OR 3 (IVb), or mixtures thereof, wherein R 5 is selected from a —C 1 to C 30 linear or branched alkyl optionally comprising at least one unsaturated group, a hydroxy-functional C 1 to C 30 linear or branched alkyl, a hydroxy-functional linear or branched C 1 to C 30 polyether, a hydroxy-functional linear or branched polyester having a polyester polymer backbone, a hydroxy-functional linear or branched organosiloxane, an amine-functional linear or branched organosiloxane, a thiol-functional C 1 to C 30 linear or branched alkyl, an amine-functional C 1 to C 30 linear or branched alkyl, D is selected from —N(R 12 )H, —OH, —COOH, —SH, —O—(CH 2 CH 2 O) s (CH(CH 3 CH 2 O) t —H, or (C(O)—O—(CH 2 CH 2 O) s (CH(CH 3 )CH 2 O) t H; R 3 is independently selected from —H; —R 18 ; or —C(O)R 18 , provided that at least one R 3 is —H; R 12 is —H or a monovalent C 1 to C 6 alkyl group; R 7 , R 8 , and R 9 are each independently, —H, to C 6 alkyl, or combinations thereof; R 10 is a divalent alkyl group of 1 to 20 carbons; R 18 is independently a linear or branched alkyl group having 5 to 29 carbons optionally comprising at least 1 unsaturated bond; z is 1 to 15; Y is Cl; s is an integer of 0 to 50; t is an integer of 0 to 50; and s+t is greater than 0. 9. An aqueous composition comprising the compound of claim 1 . 10. A method of reducing the surface tension of an aqueous medium comprising contacting the aqueous medium with a compound of claim 1 . 11. A coating composition made by the method of claim 10 , wherein the aqueous medium is an aqueous coating base. 12. A method of providing a surface effect to a fibrous substrate comprising contacting a fibrous substrate with a compound of claim 1 . 13. A fibrous substrate which has been treated by the method of claim 12 .
Compounds containing ester groups, e.g. oxyalkylated monocarboxylic acids · CPC title
formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates · CPC title
cellulosic · CPC title
Stain or soil resistance · CPC title
Compositions for coatings · CPC title
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