Effect of CaCO3 on Thermal and Crystalline Morphology Properties of Biodegradable PHBV

Kun Yan Wang; Feng Cao

doi:10.4028/www.scientific.net/AMR.781-784.542

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 781-784Effect of CaCO3 on Thermal and Crystalline...

Effect of CaCO₃ on Thermal and Crystalline Morphology Properties of Biodegradable PHBV

Abstract:

Poly (3-hydroxybutyrate-co-3-hydroxyvalerate)/CaCO₃ blends were prepared by solution blend method. The effect of CaCO₃ on the thermal and crystalline morphology properties was studied by differential scanning calorimetry (DSC), thermogravimetry (TG) and polarizing optical microscopy (POM) analyses. DSC showed the CaCO₃ affected the crystallization behavior of PHBV as heterogeneous nucleation agent. TG results indicated better processability of the blends with 3wt% CaCO₃ than that of pure PHBV. Integrated Maltese crossed spherulitic morphologies were revealed for both pure PHBV and PHBV/CaCO₃ blend. While small-sized PHBV spherulites were formed when CaCO₃ added to PHBV.

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Periodical:

Advanced Materials Research (Volumes 781-784)

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542-545

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.781-784.542

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Online since:

September 2013

Authors:

Kun Yan Wang*, Feng Cao

Keywords:

CaCO₃, Crystalline Morphology, Poly (3-hydroxybutyrate-co-3-hydroxyvalerate)

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