Compositions comprising phase change materials and methods of making the same
In one aspect, compositions are described herein. In some embodiments, a composition comprises a phase change material, a hydrophobic sorption material, and a viscosity modifier. In some embodiments, a composition comprises a foam and a latent heat storage material dispersed in the foam, the latent heat storage material comprising a phase change material and a hydrophobic sorption material.
1. A composition comprising:
a phase change material; and
a hydrophobic sorption material,
wherein the hydrophobic sorption material comprises a polymeric material comprising a styrene block copolymer.
2. The composition of claim 1 , wherein the phase change material is at least partially absorbed or adsorbed by the hydrophobic sorption material.
3. The composition of claim 2 , wherein the hydrophobic sorption material absorbs or adsorbs an aliphatic hydrocarbon portion of the phase change material.
4. The composition of claim 1 , wherein the phase change material comprises a paraffin.
5. The composition of claim 1 , wherein the phase change material comprises a C10 to C60 alkane.
6. The composition of claim 1 , wherein the phase change material comprises n-dodecane, n-tridecane, n-tetradecane, n-pentadecane, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane, n-icosane, n-henicosane, n-docosane, n-tricosane, n-tetracosane, n-pentacosane, n-hexacosane, n-heptacosane, n-octacosane, n-nonacosane, n-triacontane, n-hentriacontane, n-dotriacontane, n-tritriacontane, or a mixture thereof.
7. The composition of claim 1 , wherein the composition comprises between 50 and 99 weight percent phase change material, based on the total weight of the composition.
8. The composition of claim 1 , wherein the hydrophobic sorption material comprises a particulate styrene block copolymer.
9. The composition of claim 1 , wherein the composition comprises less than 20 weight percent hydrophobic sorption material, based on the total weight of the composition.
10. The composition of claim 1 , wherein the composition comprises less than 10 weight percent hydrophobic sorption material, based on the total weight of the composition.
11. The composition of claim 1 further comprising a linker component having a chemical functional group capable of forming a chemical bond with the phase change material.
12. The composition of claim 1 further comprising a viscosity modifier.
13. The composition of claim 12 , wherein the viscosity modifier comprises a diisocyanate.
14. The composition of claim 12 , wherein the viscosity modifier comprises an ionic liquid.
15. The composition of claim 1 , wherein the composition is substantially free of water.
16. A composition comprising:
a phase change material; and
a hydrophobic sorption material,
wherein the hydrophobic sorption material comprises styrene-acrylonitrile (SAN), acrylonitrile styrene acrylate (ASA), acrylonitrile butadiene (NBR), or acrylonitrile butadiene styrene (ABS).
17. The composition of claim 16 , wherein the phase change material comprises a paraffin.
18. The composition of claim 16 , wherein the phase change material comprises a C10 to C60 alkane.
19. The composition of claim 16 , wherein the composition comprises between 50 and 99 weight percent phase change material, based on the total weight of the composition.
20. The composition of claim 16 , wherein the composition comprises less than 20 weight percent hydrophobic sorption material, based on the total weight of the composition.
21. A composition comprising:
a phase change material; and
a hydrophobic sorption material,
wherein the hydrophobic sorption material comprises a particulate polymeric material comprising ABS grains.
22. The composition of claim 21 , wherein the phase change material comprises a paraffin.
23. The composition of claim 21 , wherein the phase change material comprises a C10 to C60 alkane.
24. The composition of claim 21 , wherein the composition comprises between 50 and 99 weight percent phase change material, based on the total weight of the composition.
25. The composition of claim 21 , wherein the composition comprises less than 20 weight percent hydrophobic sorption material, based on the total weight of the composition.