Biobased blends of poly(propylene carbonate) and poly(hydroxybutyrate‐co‐hydroxyvalerate): Fabrication and characterization

Eugene Enriquez; Amar K. Mohanty; Manjusri Misra

doi:10.1002/app.44420

journal article Open Access Sep 14, 2016

Biobased blends of poly(propylene carbonate) and poly(hydroxybutyrate‐co‐hydroxyvalerate): Fabrication and characterization

Eugene Enriquez Amar K. Mohanty

Manjusri Misra

Journal of Applied Polymer Science Vol. 134 No. 5 · Wiley

View at Publisher Save 10.1002/app.44420

Abstract

ABSTRACTPoly(propylene carbonate) (PPC), a CO2‐based bioplastic and poly(hydroxybutyrate‐co‐hydroxyvalerate) (PHBV) were melt blended followed by injection molding. Fourier transform infrared spectroscopy detected an interaction between the macromolecules from the reduction in the OH peak and a shift in the CO peak. The onset degradation temperature of the polymer blends was improved by 5% and 19% in comparison to PHBV and PPC, respectively. Blending PPC with PHBV reduced the melting and crystallization temperatures and crystallinity of the latter as observed through differential scanning calorimetry. The amorphous nature of PPC affected the thermal properties of PHBV by hindering the spherulitic growth and diluting the crystalline region. Scanning electron micrographs presented a uniform dispersion and morphology of the blends, which lead to balanced mechanical properties. Incorporating PHBV, a stiff semi‐crystalline polymer improved the dimensional stability of PPC by restricting the motion of its polymer chains. © 2016 The Authors Journal of Applied Polymer Science Published by Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44420.

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References

Details

Published: Sep 14, 2016
Vol/Issue: 134(5)
License: View

Authors

E

Eugene Enriquez

School of Engineering, Thornbrough Building University of Guelph 50 Stone Road East Guelph Ontario N1G 2W1 Canada; Bioproducts Discovery and Development Centre (BDDC), Department of Plant Agriculture, Crop Science Building University of Guelph 50 Stone Road East Guelph Ontario N1G 2W1 Canada

A

Amar K. Mohanty

School of Engineering, Thornbrough Building University of Guelph 50 Stone Road East Guelph Ontario N1G 2W1 Canada; Bioproducts Discovery and Development Centre (BDDC), Department of Plant Agriculture, Crop Science Building University of Guelph 50 Stone Road East Guelph Ontario N1G 2W1 Canada

M

Manjusri Misra

School of Engineering, Thornbrough Building University of Guelph 50 Stone Road East Guelph Ontario N1G 2W1 Canada; Bioproducts Discovery and Development Centre (BDDC), Department of Plant Agriculture, Crop Science Building University of Guelph 50 Stone Road East Guelph Ontario N1G 2W1 Canada

Cite This Article

Eugene Enriquez, Amar K. Mohanty, Manjusri Misra (2016). Biobased blends of poly(propylene carbonate) and poly(hydroxybutyrate‐co‐hydroxyvalerate): Fabrication and characterization. Journal of Applied Polymer Science, 134(5). https://doi.org/10.1002/app.44420

Biobased blends of poly(propylene carbonate) and poly(hydroxybutyrate‐co‐hydroxyvalerate): Fabrication and characterization

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