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Multiple Peaks in Gel Permeation Chromatographs of Poly(L-lactide)
Corresponding Author(s) : Paramjit Kaur
Asian Journal of Chemistry,
Vol. 30 No. 10 (2018): Vol 30 Issue 10, 2018
Abstract
The ring opening polymerization of L-lactide is carried out in bulk using stannous octoate as an initiator. Triphenylphosphine, a Lewis base increases the polymerization rate when used as accelerator. Different experiments have been carried out over a wide range of monomer to initiator ratio. It have been observed multiple peaks in some chromatograms obtained by gel permeation chromatography. They have been attributed to two simultaneous, concurrent ring opening polymerizations of l-lactide. Unassisted one, which is initiated by stannous octoate itself and another one initiated by stannous octoate-triphenylphosphine complexes.
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- Y. Li and H. Shimizu, Macromol. Biosci., 7, 921 (2007); https://doi.org/10.1002/mabi.200700027.
- T. Ouchi, T. Minari and Y. Ohya, J. Polym. Sci. A, 42, 5482 (2004); https://doi.org/10.1002/pola.20336.
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- A.C. Albertsson and I.K. Varma, Biomacromolecules, 4, 1466 (2003); https://doi.org/10.1021/bm034247a.
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- P. Degee, P. Dubois, S. Jacobsen, H.G. Fritz and R. Jerome, J. Polym. Sci. A Polym. Chem., 37, 2413 (1999); https://doi.org/10.1002/(SICI)1099-0518(19990715)37:14<2413:: AID-POLA15>3.0.CO;2-#.
- H. Benoit, Z. Grubisic, P. Rempp, D. Decker and J.G. Zilliox, J. Chim. Phys., 63, 1507 (1966).
- A.C. Ouano, J. Polym. Sci., 10(Part A-1), 2169 (1972); https://doi.org/10.1002/pol.1972.150100727.
- M.A. Haney, J. Appl. Polym. Sci., 30, 3023 (1985); https://doi.org/10.1002/app.1985.070300724.
- M.A. Haney, Am. Lab., 17, 41 (1985).
- W.W. Yau, Chemtracts: Macromolecular Chemistry, Data Trace Chemistry Publishers and J. Wiley, vol. 1, 1 (1990).
- C. Jackson, H.G. Barth and W.W. Yau, Proceedings of Water International GPC Symposium, (1991).
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- W. Yau, J.J. Kirkland and D.D. Bly, Modern Size-Exclusion Liquid Chromatography, John Wiley & Sons: New York (1979).
- H.G. Barth and J.W. Mays, Modern Methods of Polymer Characterization, John Wiley & Sons: New York, Chap. 1, (1991).
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References
Y. Li and H. Shimizu, Macromol. Biosci., 7, 921 (2007); https://doi.org/10.1002/mabi.200700027.
T. Ouchi, T. Minari and Y. Ohya, J. Polym. Sci. A, 42, 5482 (2004); https://doi.org/10.1002/pola.20336.
C. Nouvel, P. Dubois, E. Dellacherie and J.L. Six, J. Polym. Sci. A, 42, 2577 (2004); https://doi.org/10.1002/pola.20100.
C.A. Kozlowski and W. Sliwa, Carbohydr. Polym., 74, 1 (2008); https://doi.org/10.1016/j.carbpol.2008.01.010.
M. Baiardo, G. Frisoni, M. Scandola, M. Rimelen, D. Lips, K. Ruffieux and E. Wintermantel, J. Appl. Polym. Sci., 90, 1731 (2003); https://doi.org/10.1002/app.12549.
N. Ljungberg and B. Wesslen, J. Appl. Polym. Sci., 86, 1227 (2002); https://doi.org/10.1002/app.11077.
A.C. Albertsson and I.K. Varma, Biomacromolecules, 4, 1466 (2003); https://doi.org/10.1021/bm034247a.
G. Schwach, J. Coudane, R. Engel and M. Vert, Polym. Int., 46, 177 (1993); https://doi.org/10.1002/(SICI)1097-0126(199807)46:3<177::AIDPI937>3.0.CO;2-S.
G. Schwach, J. Coudane, R. Engel and M. Vert, Biomaterials, 23, 993 (2002); https://doi.org/10.1016/S0142-9612(01)00209-5.
A. Kowalski, J. Libiszowski, A. Duda and S. Penczek, Macromolecules, 33, 6 (2000); 10.1021/ma991751s.
P. Degee, P. Dubois, S. Jacobsen, H.G. Fritz and R. Jerome, J. Polym. Sci. A Polym. Chem., 37, 2413 (1999); https://doi.org/10.1002/(SICI)1099-0518(19990715)37:14<2413:: AID-POLA15>3.0.CO;2-#.
H. Benoit, Z. Grubisic, P. Rempp, D. Decker and J.G. Zilliox, J. Chim. Phys., 63, 1507 (1966).
A.C. Ouano, J. Polym. Sci., 10(Part A-1), 2169 (1972); https://doi.org/10.1002/pol.1972.150100727.
M.A. Haney, J. Appl. Polym. Sci., 30, 3023 (1985); https://doi.org/10.1002/app.1985.070300724.
M.A. Haney, Am. Lab., 17, 41 (1985).
W.W. Yau, Chemtracts: Macromolecular Chemistry, Data Trace Chemistry Publishers and J. Wiley, vol. 1, 1 (1990).
C. Jackson, H.G. Barth and W.W. Yau, Proceedings of Water International GPC Symposium, (1991).
P.J. Wyatt, Anal. Chim. Acta, 272, 1 (1993); https://doi.org/10.1016/0003-2670(93)80373-S.
W. Yau, J.J. Kirkland and D.D. Bly, Modern Size-Exclusion Liquid Chromatography, John Wiley & Sons: New York (1979).
H.G. Barth and J.W. Mays, Modern Methods of Polymer Characterization, John Wiley & Sons: New York, Chap. 1, (1991).
C. Jackson and H.G. Barth, ed.: C.S. Wu, Molecular Weight Sensitive Detectors for Size Exclusion Chromatography, Marcel Dekker: New York, Chap. 4, p. 69 (1995).