Korean Journal of Chemical Engineering, Vol.31, No.1, 166-171, January, 2014
Microcellular foaming of silicone rubber with supercritical carbon dioxide
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In spite of great concern on the industrial application of microcellular silicone rubber foams, such as in electric and medical devices, only a few works can be found about the foaming of silicone rubber. In this study, microcellular silicone rubber foams with a cell size of 12 μm were successfully prepared with curing by heat and foaming by supercritical CO2 as a green blowing agent. The microcellular silicone rubber foams exhibited a well-defined cell structure and a uniform cell size distribution. The crosslinking and foaming of silicone rubber was carried out separately. After foaming, the silicone rubber foam was cross-linked again to stabilize the foam structure and further improve its mechanical properties. Foaming process of cross-linked silicone rubber should be designed carefully based on the viscoelastic properties because of its elastic volume recovery in the atmosphere. The basic crosslinking condition for small cell size and high cell density was obtained after investigating the rheological behavior during crosslinking.
- Leitner W, Nature., 405, 129 (2000)
- Tucker SC, Chem. Rev., 99(2), 391 (1999)
- Kajimoto O, Chem. Rev., 99(2), 355 (1999)
- McHugh MA, Krukonis VJ, Supercritical fluid extraction, Butterworth-Heinemann (1994)
- Alsoy S, Duda JL, Chem. Eng. Technol., 22(11), 971 (1999)
- Kendall JL, Canelas DA, Young JL, DeSimone JM, Chem. Rev., 99(2), 543 (1999)
- Tomasko DL, Li HB, Liu DH, Han XM, Wingert MJ, Lee LJ, Koelling KW, Ind. Eng. Chem. Res., 42(25), 6431 (2003)
- Hernandez R, Weksler J, Padsalgikar A, Runt J, Macromolecules, 40(15), 5441 (2007)
- Yannas IV, Burke JF, J. Biomed. Mater. Res., 14, 65 (1980)
- Abbasi F, Mirzadeh H, Simjoo M, J. Biomater. Aci. Polym.Ed., 17, 341 (2006)
- Gao ZM, Nahrup JS, Mark JE, Sakr A, J. Appl. Polym. Sci., 96(2), 494 (2005)
- Hergenrother RW, Xue-Hai Y, Cooper SL, Biomaterials., 15, 635 (1994)
- Kim YB, Cho D, Park WH, J. Appl. Polym. Sci., 116(1), 449 (2010)
- Hernandez R, Weksler J, Padsalgikar A, Runt J, J. Biomed.Mater. Res., 87A, 546 (2008)
- Young RJ, Lowell PA, Introduction to polymers, 2nd Ed., Chapman and Hall, UK (1991)
- Lopez LM, Cosgrove AB, Hernandez-Ortiz JP, Osswald TA, Polym. Eng. Sci., 47(5), 675 (2007)
- Kamarudin B, Hiroshi M, Taro E, Fumio Y, Keizo M, Polym.Deg. Stab., 62, 551 (1998)
- Ghazali Z, Johnson AF, Dahlan KZ, Rad. Phys. Chem., 55, 73 (1999)
- Heiner J, Stenberg B, Persson M, Polym. Testing., 22, 253 (2003)
- Warley RL, Feke DL, Manas-Zloczower I, J. Appl. Polym. Sci., 97(4), 1504 (2005)
- Baquey G, Moine L, Babot O, Degueil M, Maillard B, Polymer, 46(17), 6283 (2005)
- Kawashima H, Shimbo M, Cellular Polymers., 22, 175 (2003)
- Martini JE, Suh NP, Waldman FA, US Patent, 4,473,665 (1984)
- Colton JS, Suh NP, Polym. Eng. Sci., 27, 500 (1987)
- Tung CYM, Dynes PJ, J. Appl. Polym. Sci., 27, 569 (1982)
- Malkin AY, Kulichikhin SG, Kerber ML, Gorbunova IY, Murashova EA, Polym. Eng. Sci., 37(8), 1322 (1997)
- Hong IK, Lee S, J. Ind. Eng. Chem., 19(1), 42 (2013)
- Shimbo M, Nomura T, Muratani K, Fukumura K, The 3rd international conference on axiomatic design, Seoul, ICAD-2004-25 (2004)
- Kumar V, Suh NP, Polym. Eng. Sci., 30, 1323 (1990)