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Compatibility characterization of poly(lactic acid)/poly(propylene carbonate) blends
Abstract
The compatibility of poly(lactic acid) (PLA)/poly(propylene carbonate) (PPC) blends was investigated with Fourier transform infrared (FTIR) spectroscopy, differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and tensile testing. The PLA/PPC blends were prepared over the whole composition range. FTIR spectroscopy revealed that there were several specific interactions between the chains of PLA and PPC: the interaction between CH and OC and CO···OC or CO···OC dipole–dipole interactions. Moreover, PLA and PPC were compatible. DSC indicated that PLA and PPC were partially miscible but compatible to some extent because of the similar chemical natures of the blend components. TGA showed that the compatibility of PLA and PPC enhanced the thermal stability of PPC in the blends. As calculated by the Horowitz–Metzger equation, the activation energy for decomposition (Et) of PPC in PLA/PPC (70/30) was 200.6 kJ/mol, whereas Et of pure PPC was only 56.0 kJ/mol. A study of the mechanical properties versus the composition and the strain versus the stress illustrated that there was good compatibility between PLA and PPC, and the phase inversion of the PLA/PPC system occurred between 70 and 60 wt % PLA in the PLA/PPC blends. The Pukanszky model gave credit to very strong interfacial adhesion between PLA and PPC. © 2005 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 44: 94–101, 2006
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Cites
A Literature Review of Poly(Lactic Acid)
Garlotta, D. (2001) · Journal of Polymers and the Environment · doi:10.1023/a:1020200822435 · Cited by 3,707
Cited by
Poly(lactic acid) modifications
Rasal, R. M., Janorkar, A. V., & Hirt, D. E. (2010) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2009.12.003 · Cited by 2,204
Poly (lactic acid) blends: Processing, properties and applications
Nofar, M., Sacligil, D., Carreau, P. J., Kamal, M. R., & Heuzey, M.-C. (2019) · International Journal of Biological Macromolecules · doi:10.1016/j.ijbiomac.2018.12.002 · Cited by 780
Research progress in toughening modification of poly(lactic acid)
Liu, H., & Zhang, J. (2011) · Journal of Polymer Science Part B: Polymer Physics · doi:10.1002/polb.22283 · Cited by 767
Biodegradable compatibilized polymer blends for packaging applications: A literature review
Muthuraj, R., Misra, M., & Mohanty, A. K. (2018) · Journal of Applied Polymer Science · doi:10.1002/app.45726 · Cited by 391
Li, R., Wu, L., & Li, B.-G. (2017) · Industrial & Engineering Chemistry Research · doi:10.1021/acs.iecr.6b05046 · Cited by 23
Metadata
- Authors
- Ma, X., Yu, J., & Wang, N.
- Venue
- Journal of Polymer Science Part B: Polymer Physics
- Publisher
- Wiley
- Published
- 2005-11-10
- Volume
- 44
- Issue
- 1
- Pages
- 94-101
- ISSN
- 0887-6266 (ISSN-L)
- 1099-0488
- OpenAlex
- W2150166882
- Cited by
- 239
- References
- 1
- FWCI
- 4.96
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ma, X., Yu, J., & Wang, N. (2006). Compatibility characterization of poly(lactic acid)/poly(propylene carbonate) blends. Journal of Polymer Science Part B: Polymer Physics. https://doi.org/10.1002/polb.20669
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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