Production of bulk solid-state PEI nanofoams using supercritical CO 2

Journal of Materials Research

Volumn 28, Issue 17, 2013, Pages 2366-2373

  Aher, Brian ^a   Olson, Nathan M ^a   Kumar, Vipin ^a  

^a UNIVERSITY OF WASHINGTON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CLAMPING PRESSURE; EQUILIBRIUM CONCENTRATION; FOAMING TEMPERATURE; NANOSCALE MORPHOLOGY; OPTIMAL PROCESSING; PROCESS VARIABLES; SORPTION STUDIES; SUPERCRITICAL CO;

BLOWING AGENTS; CELLS; CHEMICAL INDUSTRY; CLAMPING DEVICES; CYTOLOGY; NANOTECHNOLOGY;

CARBON DIOXIDE;

EID: 84888364562     PISSN: 08842914     EISSN: 20445326     Source Type: Journal    
DOI: 10.1557/jmr.2013.108     Document Type: Article

References (36)

1. 2. Polym. Eng. Sci. 43, 1378 (2004).
2. S. Siripurapu, J.M. DeSimone, S.A. Khan, and R.J. Spontak: Low-temperature, surface-mediated foaming of polymer films. Adv. Mater. 16, 989 (2004).
3. M. Shimbo, I. Higashitani, and Y. Miyano: Mechanism of strength improvement of foamed plastics having fine cell. J. Cell. Plast. 43, 157 (2007).
4. S.S. Sundarram and W. Li: On thermal conductivity of micro and nanocellular polymer foams. Polym. Eng. Sci. (2013).
5. 2-induced mechanical reinforcement of polyolefin-based nanocellular foams. Macromol. Mater. Eng. 296, 1046 (2011).
6. D.I. Collias, D.G. Baird, and R.J.M. Borggreve: Impact toughening of polycarbonate by microcellular foaming. Polymer 35, 3978 (1994).
7. B. Krause, G-H. Koops, N.F.A. van der Vegt, M. Wessling, M. Wübbenhorst, and J. van Turnhout: Ultralow-k dielectrics made by supercritical foaming of thin polymer films. Adv. Mater. 14, 1041 (2002).
8. J.L. Hedrick, T.P. Russell, J. Labadie, M. Lucas, and S. Swanson: High temperature nanofoams derived from rigid and semi-rigid polyimides. Polymer 36, 2685 (1995).
9. 2. Polym. Eng. Sci. 38, 1812 (2004).
10. D. Miller, P. Chatchaisucha, and V. Kumar: Microcellular and nanocellular solid-state polyetherimide (PEI) foams using subcritical carbon dioxide I. Processing and structure. Polymer 50, 5576 (2009).
11. J.L. Hedrick, C.J. Hawker, R. DiPietro, R. Jérôme, and Y. Charlier: The use of styrenic copolymers to generate polyimide nanofoams. Polymer 36, 4855 (1995).
12. S. Hongliu and J.E. Mark: Preparation, characterization, and mechanical properties of some microcellular polysulfone foams. J. Appl. Polym. Sci. 86, 1692 (2002).
13. B. Krause, H.J.P. Sijbesma, P. Münüklü, N.F.A. Van der Vegt, and M. Wessling: Bicontinuous nanoporous polymers by carbon dioxide foaming. Macromolecules 34, 8792 (2001).
14. B. Krause, M.E. Boerrigter, N.F.A. Van der Vegt, H. Strathmann, and M. Wessling: Novel open-cellular polysulfone morphologies produced with trace concentrations of solvents as pore opener. J. Membr. Sci. 187, 181 (2001).
15. S.S. Zhang: A review on the separators of liquid electrolyte Li-ion batteries. J. Power Sources 164, 351 (2007).
16. J. Martini, N.P. Suh, and F.A. Waldman: Microcellular closed cell foams and their method of manufacture. Patent #4473665, September 25, 1984. Massechusetts Institute of Technology: USA, 1984.
17. J. Martini, F.A. Waldman, and N.P. Suh: The production and analysis of microcellular thermoplastic foam. SPE ANTEC Tech. Pap. 28, 674 (1982).
18. S. Huang, G. Wu, and S. Chen: Preparation of open cellular PMMA microspheres by supercritical carbon dioxide foaming. J. Supercrit. Fluids 40.2, 323 (2007).
19. V. Kumar and J.E. Weller: A process to produce microcellular PVC. Int. Polym. Proc. 8, 73 (1993).
20. V. Kumar and J. Weller: Production of microcellular polycarbonate using carbon dioxide for bubble nucleation. J. Eng. Ind. 116, 413 (1994).
21. R.E. Murray, J.E. Weller, and V. Kumar: Solid-state microcellular acrylonitrile-butadiene-styrene foams. Cell. Polym. 19, 413 (2000).
22. D.F. Baldwin, C.B. Park, and N.P. Suh: A microcellular processing study of poly (ethylene terephthalate) in the amorphous and semicrystalline states. Part I: Microcell nucleation. Polym. Eng. Sci. 36, 1437 (2004).
23. D.F. Baldwin and N.P. Suh: Microcellular poly (ethylene terephthalate) and crystallizable poly (ethylene terephthalate): Characterization of process variables, in ANTEC 92-Shaping the Future, Vol. 1; Society of Plastics Engineers, 1992; p. 1503-1507.
24. 2-blown solid-state PLA foams. Cell. Polym. 26, 11 (2007).
25. 2. Cell. Polym. 12, 251 (1993).
26. T.S. Chow: Molecular interpretation of the glass transition temperature of polymer-diluent systems. Macromolecules 13, 362 (1980).
27. T. Nemoto, J. Takagi, and M. Ohshima: Nanoscale cellular foams from a poly (propylene) rubber blend. Macromol. Mater. Eng. 293, 991 (2008).
28. T. Nemoto, J. Takagi, and M. Ohshima: Control of bubble size and location in nano/microscale cellular poly (propylene)/rubber blend foams. Macromol. Mater. Eng. 293, 574 (2008).
29. Y. Fujimoto, S.S. Ray, M. Okamoto, A. Ogami, K. Yamada, and K. Ueda: Well-controlled biodegradable nanocomposite foams: From microcellular to nanocellular. Macromol. Rapid Commun. 24, 457 (2003).
30. B. Krause, K. Diekmann, N.F.A. Van der Vegt, and M. Wessling: Open nanoporous morphologies from polymeric blends by carbon dioxide foaming. Macromolecules 35, 1738 (2002).
31. D. Miller and V. Kumar: Microcellular and nanocellular solid-state polyetherimide (PEI) foams using sub-critical carbon dioxide II. Tensile and impact properties. Polymer 52, 2910 (2011).
32. S.G. Kazarian: Polymer processing with supercritical fluids. Polymer Sci. 42, 78 (2000).
33. 2 applications in the processing of polymers. Ind. Eng. Chem. Res. 42, 6431 (2003).
34. 2. J. Cell. Plast. 48, 235 (2012).
35. L. Sorrentino, M. Aurilia, and S. Iannace: Polymeric foams from high performance thermoplastics. Adv. Polym. Tech. 30, 234 (2011).
36. J. Crank: The Mathematics of Diffusion (Oxford University Press: London, England, 1956), p. 45.