Metal oxide nanoparticle filled polymers
View Patent ↗The present invention includes a method, composition and apparatus for forming a nanoparticle filled polymer having similar gas selectivity and greater gas permeability than the native polymer. The nanoparticle filled polymer includes one or more polymeric materials and one or more nanoparticles dispersed within the one or more polymeric materials that increasing the permeability of the nanoparticle filled polymers relative to the permeability of the native polymer membrane.
1. A nonporous metal oxide nanoparticle filled polymer with similar gas selectivity and greater gas permeability than a native polymer, wherein the nonporous metal oxide nanoparticle filled polymer comprises:
one or more nonporous metal oxide nanoparticles dispersed within one or more polymeric materials in a polymer:nanoparticle weight ratio of between 5:1 and 0.5:1, wherein the metal oxide nanoparticle filled polymer behaves as a nanocomposite that has a greater gas permeability than the native polymer.
2. The composition of claim 1 , wherein the nonporous metal oxide nanoparticle filled polymer comprises nonporous metal oxide nanoparticles of between 1 to 100 nm in diameter.
3. The composition of claim 1 , wherein the one or more polymeric materials comprising a rubbery polymer having a glass transition temperature (Tg) at or below the use temperature.
4. The composition of claim 1 , wherein the polymeric material comprising a glassy polymer.
5. The composition of claim 1 , wherein the one or more polymeric materials comprises a rigid, glassy polymer having a glass transition temperature (Tg) greater than 150 degrees C.
6. The composition of claim 1 , wherein the one or more polymeric materials is a rigid, glassy polymer having a glass transition temperature (Tg) less than 150 degrees C.
7. The composition of claim 1 , wherein the one or more nonporous metal oxide nanoparticles comprising one or more atom of Fe, Cr, Al, Ga, In, Hf, Sn, Zr, Mo, Ti, V, Co, Ni, Cu, Y, Ta, W, Pb, B, Nb, Ge, Pr, U, Ce, Er, Nd, Si, Mg, Ca, Ba, Sr, Au or combination thereof.
8. The composition of claim 1 , wherein the one or more nonporous metal oxide nanoparticles comprise one or more elements of the periodic table from Groups 2 through 16 , the lanthanides and actinides.
9. The composition of claim 1 , wherein the diameter of the one or more nonporous metal oxide nanoparticles are between about 1.0 and 500 nm.
10. The composition of claim 1 , wherein the polymeric material comprises poly(1-phenyl-2-[p-trimethylsilylphenyl]acetylene, poly(1-trimethylsilyl-1-propyne) or a combination thereof.
11. The composition of claim 1 , wherein the polymeric material comprises poly(ethylene octene), polybutadiene, poly(ethylene oxide) or a combination thereof.
12. The composition of claim 1 , wherein the polymeric material is a substituted polymer comprising one or more halogens, hydroxyl groups, lower alkyl groups, lower alkoxy groups, monocyclic aryl, lower acyl groups and combinations thereof.
13. The nanocomposite material of claim 1 , wherein the concentration of the one or more nonporous metal oxide nanoparticles ranges from about 0 volume % to about 30 volume %.
14. The nanocomposite material of claim 1 , wherein the one or more nonporous metal oxide nanoparticles are substantially uniformly distributed within the polymer matrix.
15. A process for removing a gas from a gas mixture, comprising the steps of:
contacting the gas mixture with a nanocomposite membrane comprising one or more nonporous metal oxide nanoparticles dispersed within one or more polymeric material in a polymer:nanoparticle weight ratio of between 5:1 and 0.5:1, wherein the nonporous metal oxide nanoparticle filled polymer has a greater gas permeability than the native polymer; and
separating one or more gases from the gas mixture.
16. The process of claim 15 , wherein the one or more nonporous metal oxide nanoparticles comprising one or more atom of Fe, Cr, Al, Ga, In, Hf, Sn, Zr, Mo, Ti, V, Co, Ni, Cu, Y, Ta, W, Pb, B, Nb, Ge, Pr, U, Ce, Er, Nd, Si, Mg, Ca, Ba, Sr, Au or combination thereof.
17. The process of claim 15 , wherein the diameter of the one or more nonporous metal oxide nanoparticles are between about 1.0 and 500 nm.
18. The process of claim 15 , wherein the polymeric material comprises poly(1-phenyl-2-[p-trimethylsilylphenyl]acetylene, poly(1-trimethylsilyl-1-propyne) or a combination thereof.
19. The process of claim 15 , wherein the polymeric material comprises poly(ethylene-co-octene), polybutadiene, poly(ethylene oxide) or a combination thereof.
20. The process of claim 15 , wherein the one or more nonporous metal oxide nanoparticles are substantially uniformly distributed within the polymer matrix.
21. A method for making a permeable metal oxide nanocomposite membrane with similar gas selectivity and greater gas permeability than the native polymer comprising the steps of:
adding one or more nonporous metal oxide nanoparticles to a polymeric material in a polymer:nanoparticle weight ratio of between 5:1 and 0.5:1; and
polymerizing the polymeric material to form a metal oxide nanocomposite membrane, wherein the metal oxide nanocomposite membrane is permeable with gas selectivity similar to the native polymer.
22. The process of claim 21 , wherein the one or more nonporous metal oxide nanoparticles comprising one or more atom of Fe, Cr, Al, Ga, In, Hf, Sn, Zr, Mo, Ti, V, Co, Ni, Cu, Y, Ta, W, Pb, B, Nb, Ge, Pr, U, Ce, Er, Nd, Si, Mg, Ca, Ba, Sr, Au or combination thereof.
23. The process of claim 21 , wherein the polymeric material comprises poly(1-phenyl-2-[p-trimethylsilylphenyl]acetylene, poly(1-trimethylsilyl-1-propyne) or a combination thereof.