Startseite Moisture Sorption and Transport in Polylactide
Artikel
Lizenziert
Nicht lizenziert Erfordert eine Authentifizierung

Moisture Sorption and Transport in Polylactide

  • R. A. Cairncross , S. Ramaswamy und R. O'Connor
Veröffentlicht/Copyright: 26. März 2013
Veröffentlichen auch Sie bei De Gruyter Brill

Abstract

Management of moisture penetration and hydrolytic degradation of polylactide (PLA) is extremely important during manufacturing, shipping, storage, and end-use of PLA products. Crystallinity in PLA was measured with Differential Scanning Calorimetry (DSC) and X-Ray Diffraction (XRD). Moisture sorption isotherms in PLA films were measured with Quartz Crystal Microbalance (QCM) and Dynamic Vapor Sorption (DVS) experiments with samples of varying crystallinity. A surprising result is that crystalline and amorphous PLA films exhibit nearly identical sorption isotherms, within the accuracy of the experiments. The effect of hydrophobicity of PLA end groups on degradation was evaluated by synthesizing PLA with hydrophobic and hydrophilic end groups.


Mail address: R. A. Cairncross, Chemical and Biological Engineering, Drexel University, Philadelphia, Pennsylvania, USA. E-mail:

References

1Perlack, R. D., et al.: Oak Ridge National Laboratory Report ORNL/TM-2005/66, p. 1 (2005)Suche in Google Scholar

2Crank, M., et al.: Techno-economic Feasibility of Large-Scale Production of Bio-Based Polymers in Europe (PRO-BIP), Final Report prepared for the European Commision's Insitute for prospective technological Studies, Sevilla, Spain. Utrecht University, Utrecht, Fraunhofer Institute, Karlsruhe (2004)Suche in Google Scholar

3Drumright, R. E., Gruber, P. R., Henton, D. E.: Adv. Mater. 12, p. 1841 (2000)10.1002/1521-4095(200012)12:23<1841::AID-ADMA1841>3.0.CO;2-ESuche in Google Scholar

4Vert, M., Schwach, G., Engel, R., Coudane, J.: J. Controlled Release53, p. 85 (1998)10.1016/S0168-3659(97)00240-XSuche in Google Scholar

5Sharp, J. S., Forrest, J. A., Jones, R. A. L.: Macromolecules34, p. 8752 (2001)10.1021/ma011163qSuche in Google Scholar

6Siparsky, G. L., Voorhees, K. J., Dorgan, J. R., Schilling, K.: J. Env. Poly. Deg. 5, p. 125 (1997)Suche in Google Scholar

7Auras, R., Harte, B., Selke, S.: J. Appl. Polym. Sci. 92, p. 1790 (2004)10.1002/app.20148Suche in Google Scholar

8Auras, R., Harte, B., Selke, S.: Macromolecular Bioscience4, p. 835 (2004)10.1002/mabi.200400043Suche in Google Scholar

9Shogren, R.: J. Environ. Polymer Degradation5, p. 91 (1997)10.1007/BF02763592Suche in Google Scholar

10Yoon, J. S., Jung, H. W., Kim, M. N., Park, E. S.: J. Appl. Polym. Sci. 77, p. 1716 (2000)10.1002/1097-4628(20000822)77:8<1716::AID-APP8>3.0.CO;2-FSuche in Google Scholar

11Iordanskii, A. L., Kamaev, P. P., Olkhov, A. A., Wasserman, A. M.: Desalination126, p. 139 (1999)10.1016/S0011-9164(99)00166-6Suche in Google Scholar

12Olkhov, A. A., Vlasov, S. V., Iordanskii, A. L., Zaikov, G. E., Lobo, V. M. M.: J. Appl. Polym. Sci. 90, p. 1471 (2003)10.1002/app.12614Suche in Google Scholar

13Smith, A. L., Wadso, I., Shirazi, H.: Abstracts of Papers of the American Chemical Society216U714U714 (1998)Suche in Google Scholar

14Smith, A. L., Shirazi, H. M., Mulligan, S. R.: Biochimica Et Biophysica Acta-Protein Structure and Molecular Enzymology1594, p. 150 (2002)10.1016/S0167-4838(01)00298-9Suche in Google Scholar

15Smith, A. L., Mulligan, R. B., Shirazi, H. M.: Journal of Polymer Science Part B-Polymer Physics42, p. 3893 (2004)10.1002/polb.20243Suche in Google Scholar

16Miyata, T., Masuko, T.: Polymer39, p. 5515 (1998)10.1016/S0032-3861(97)10203-8Suche in Google Scholar

Received: 2006-5-11
Accepted: 2006-11-9
Published Online: 2013-03-26
Published in Print: 2007-03-01

© 2007, Carl Hanser Verlag, Munich

Heruntergeladen am 26.11.2025 von https://www.degruyterbrill.com/document/doi/10.3139/217.0985/html?lang=de
Button zum nach oben scrollen