Compositions comprising superhydrophilic amphiphilic copolymers and methods of use thereof
View Patent ↗Provided are compositions comprising a superhydrophilic amphiphilic copolymer and a carrier and composition comprising a superhydrophilic amphiphilic copolymer, a micellar thickener and a carrier.
1. A composition comprising a superhydrophilic amphiphilic copolymer that is a starch-based polysaccharide derived from potato or tapioca modified with dodecenyl succinic anhydride and a carrier, wherein the superhydrophilic amphiphilic copolymer has a mole percent of amphiphilic units that is at least 5 but less than 10% and a weight average molecular weight that is less than about 200,000.
2. The composition of claim 1 , wherein the superhydrophilic amphiphilic copolymer has a DP between 4 and about 500.
3. The composition of claim 1 , wherein the superhydrophilic amphiphilic copolymer has a mole percent of amphiphilic units that is from 5 to 7.7.
4. The composition of claim 1 , wherein the superhydrophilic amphiphilic copolymer has a weight average molecular weight that is from about 1000 to about 100,000.
5. The composition of claim 1 , wherein the superhydrophilic amphiphilic copolymer has a Dynamic Surface Tension Reduction, t 65 =55 , of less than about 120 seconds.
6. The composition of claim 1 wherein the superhydrophilic amphiphilic copolymer has a solution viscosity of less than about 9 centipoise.
7. The composition of claim 1 wherein the superhydrophilic amphiphilic copolymer has a PMOD % of less than about 90%.
8. The composition of claim 1 further comprising a micellar thickener.
9. The composition of claim 8 wherein the micellar thickener is non-ionic.
10. The composition of claim 8 , wherein the micellar thickener is a corona thickener.
11. The composition of claim 10 wherein the corona thickener has from about 3 to about 1000 hydrophilic repeat units.
12. The composition of claim 10 , wherein the corona thickener has from about 5 to about 500 hydrophilic repeat units.
13. The composition of claim 10 , wherein the corona thickener includes at least two independent hydrophobic moieties, wherein each of the at least two independent hydrophobic moieties have 10 or more carbon atoms.
14. The composition of claim 10 , wherein the corona thickener includes at least two independent hydrophobic moieties, wherein each of the at least two independent hydrophobic moieties have from 12 to 30 carbon atoms.
15. The composition of claim 10 , wherein the corona thickener is characterized by the following structure:
in which HRU is a hydrophobic repeat unit, R 1 and R 2 are hydrophobic moieties, L and L′ are moieties selected from the group consisting of esters, thioesters, dithioesters, carbonates, thiocarbonates, trithiocarbonates, ethers, thioethers, amides, thioamides, carbamates/urethanes and xanthates, and h is from 3-1000.
16. The composition of claim 10 , wherein the corona thickener is a fatty acid diester of a polyethylene glycol or a fatty acid diester of an ethoxylated fatty alcohol.
17. The composition of claim 10 , wherein the corona thickener is a fatty acid polyester of an ethoxylated glucoside.
18. The composition of claim 8 , wherein the micellar thickener is linear.
19. The composition of claim 8 , wherein the composition has a foam generation rate of at least about 10 mL/ cycle.
20. The composition of claim 8 , wherein the micellar thickener is present in an amount sufficient to increase the viscosity of the composition at least about 100 cP.
21. The composition of claim 8 , wherein the micellar thickener has a branched or star-shaped configuration.
22. The composition of claim 1 wherein said composition is a healthcare composition and said carrier is a cosmetically-acceptable or pharmaceutically-acceptable carrier.
23. The composition of claim 22 wherein the superhydrophilic amphiphilic copolymer has a DP between 4 and about 500 and a mole percent of amphiphilic units that is from 5 to 7.7.
24. The composition of claim 23 wherein the cosmetically acceptable or pharmaceutically-acceptable carrier comprises water.
25. The composition of claim 24 further comprising a micellar thickener.
26. The composition of claim 1 wherein the carrier is a solvent and the solvent is selected from the group consisting of water, acetone, alcohol, ethylene glycol, glycerin, dimethylformamide, tertrahydrofuran, dimethylsulfoxide, sorbitol, ethers and esters of sorbitol, and combinations thereof.
27. The composition of claim 1 further comprising at least one of a surfactant, an anti-scale polymer, a chelating agent, a viscosity modifier, an antioxidant, a colloidal stabilizer, an anti-re-deposition polymer or a structural material.
28. The composition of claim 27 wherein the structural material is at least one of activated charcoal, an absorbent material, cellulose, polyvinyl alcohol, polystyrene, or polyacrylate.
29. The composition of claim 27 wherein the composition is an anti scale composition, a detergent composition, an oil or tar emulsification composition, a cleaning composition, or a surface tension modifier composition.