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Received April 25, 2014
Accepted December 8, 2014
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Polyurethane curing kinetics for polymer bonded explosives: HTPB/IPDI binder
Division of Chemical Engineering, Dankook University, 152, Jukjeon-ro, Suji-gu, Yongin-si, Gyeonggi-do 448-701, Korea 1Applied Rheology Center, Department of Chemical and Biomolecular Engineering, Sogang University, 35, Baekbom-ro, Mapo-gu, Seoul 121-742, Korea
jwlee@sogang.ac.kr
Korean Journal of Chemical Engineering, August 2015, 32(8), 1701-1706(6), 10.1007/s11814-014-0366-y
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Abstract
The kinetics of polyurethane reaction and the effect of catalysts on the curing behavior were studied. The mixtures of hydroxyl terminated polybutadiene and isophorone diisocyanate with different reaction catalysts were dynamically cured in a differential scanning calorimeter. The activation energies were evaluated by the Kissinger and the Ozawa methods. The Chang plot was also used to determine reaction order and rate constant. The results showed that the activation energies were influenced remarkably by the choice of catalysts. The degree of cure and the cure time at given temperatures were calculated by direct integration of modified auto-catalytic kinetic model. It would give valuable information like pot-life estimation during manufacturing polymer-bonded explosives.
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References
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Lomolder R, Plogmann F, Speller P, J. Coat. Technol., 69, 51 (1997)
Bina CK, Kannan KG, Ninan KN, J. Therm. Anal. Calorim., 78, 753 (2004)
Yang P, Li T, Li J, Int. J. Chem. Kinet., 45, 623 (2013)
Lee S, Choi JH, Hong IK, Lee JW, J. Ind. Eng. Chem., In Press (2014).
Manjari R, Pandureng LP, Somasundaran UI, Sriram T, J. Appl. Polym. Sci., 51(3), 435 (1994)
Panicker SS, Ninan KN, J. Appl. Polym. Sci., 63(10), 1313 (1997)
Rath SK, Ishack AM, Suryavansi UG, Chandrasekhar L, Patri M, Prog. Org. Coat., 62, 393 (2008)
Nagle DJ, Celina M, Rintoul L, Fredericks PM, Polym. Degrad. Stabil., 92, 1446 (2007)
Burel F, Feldman A, Bunel C, Polymer, 46(1), 15 (2005)
Ducruet N, Delmotte L, Schrodj G, Stankiewicz F, Desgardin N, Vallat MF, Haidar B, J. Appl. Polym. Sci., 128(1), 436 (2013)
Ramis X, Salla JM, Cadenato A, Morancho JM, J. Therm. Anal. Calorim., 72, 707 (2003)
Vinnik RM, Roznyatovsky VA, J. Therm. Anal. Calorim., 75, 753 (2004)
Sekkar V, Venkatachalam S, Ninan KN, Eur. Polym. J., 38, 169 (2002)
Hailu K, Guthausen G, Becker W, Konig A, Polym. Test, 29, 513 (2010)
Singh M, Kanungo BK, Bansal TK, J. Appl. Polym. Sci., 85(4), 842 (2002)
Catherine KB, Krishnan K, Ninan KN, J. Therm. Anal. Calorim., 59, 93 (2000)
Marscher N, Hocker H, Makromol. Chem., 191, 1843 (1990)
Volker S, Rieckmann T, J. Anal. Appl. Pyrolysis, 62, 165 (2002)
Kissinger HE, Anal. Chem., 29, 1702 (1957)
Mazali CAI, Felisberti MI, Eur. Polym. J., 45, 2222 (2009)
Ozawa TJ, J. Therm. Anal. Calorim., 2, 301 (1970)
Flynn JH, Wall LA, Polym. Lett., 4, 323 (1966)
Flynn JH, J. Therm. Anal. Calorim., 27, 95 (1983)
Chang WL, J. Appl. Polym. Sci., 53(13), 1759 (1994)
Prime RB, Polym. Eng. Sci., 13, 365 (1973)
Lopez LM, Cosgrove AB, Hernandez-Ortiz JP, Osswald TA, Polym. Eng. Sci., 47(5), 675 (2007)
Young RJ, Lowell PA, Introduction to Polymers, 2nd Ed., CRC Press, Great Britain (2000).
Osswald TA, Menges G, Material Science of Polymers for Engineers, 2nd Ed., Hanser-Gardner, Cincinnati (1996)
Kamal MR, Sourour S, Polym. Eng. Sci., 13, 59 (1973)
Kamal MR, Polym. Eng. Sci., 14, 231 (1979)
Ryan ME, Dutta A, Polymer, 20, 203 (1979)
