Rheological, Thermal and Mechanical Properties of Biodegradable Poly(propylene carbonate)/Polylactide/Poly(1,2-propylene glycol adipate) Blown Films

Yan-ping Hao; Hui-li Yang; Gui-bao Zhang; Hui-liang Zhang; Ge Gao; Li-song Dong

doi:10.1007/s10118-015-1714-z

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Rheological, Thermal and Mechanical Properties of Biodegradable Poly(propylene carbonate)/Polylactide/Poly(1,2-propylene glycol adipate) Blown Films

PAPER | Updated：2021-06-21

- Rheological, Thermal and Mechanical Properties of Biodegradable Poly(propylene carbonate)/Polylactide/Poly(1,2-propylene glycol adipate) Blown Films
- Chinese Journal of Polymer Science Vol. 33, Issue 12, Pages: 1702-1712(2015)
- Affiliations：
  
  a.College of Chemistry, Jilin University, Changchun 130012, China
  b.Key Laboratory of Polymer Ecomaterials, Chinese Academy of Sciences, Changchun Institute of Applied Chemistry, Changchun 130022, China
- Author bio：
  
  **Hui-liang Zhang (张会良), E-mail: hlzhang@ciac.ac.cn
- Funds：
- DOI：10.1007/s10118-015-1714-z
  CLC：
- Received：18 May 2015，
  
  Revised：2015-06-03，
  
  Accepted：19 June 2015，
  
  Published：2015-12
- Accepted：
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Yan-ping Hao, Hui-li Yang, Gui-bao Zhang, et al. Rheological, Thermal and Mechanical Properties of Biodegradable Poly(propylene carbonate)/Polylactide/Poly(1,2-propylene glycol adipate) Blown Films[J]. Chinese Journal of Polymer Science, 2015, 33(12): 1702-1712.
DOI：

Yan-ping Hao, Hui-li Yang, Gui-bao Zhang, et al. Rheological, Thermal and Mechanical Properties of Biodegradable Poly(propylene carbonate)/Polylactide/Poly(1,2-propylene glycol adipate) Blown Films[J]. Chinese Journal of Polymer Science, 2015, 33(12): 1702-1712. DOI： 10.1007/s10118-015-1714-z.

摘要

Abstract

Poly(propylene carbonate) (PPC) was blended with polylactide (PLA) and poly(1

2-propylene glycol adipate) (PPA) using a twin screw extruder. Then the PPC/PLA/PPA films were prepared using the blown film technique. DMA results showed that PPA could act as a plasticizer and improve the miscibility between PPC and PLA. Crystal morphology displayed that blending PLA with the amorphous PPC led to a decrease of the spherulite size of PLA. The results of mechanical tests indicated that PPC-rich films showed high elongation at break and PLA-rich films showed high tear strength and good optical properties. The content of PPC and PLA significantly affected the physical properties of the films. With increasing PPC content

the melt strengths of the PPC/PLA/PPA films were enhanced. These findings contributed to the biodegradable materials application for designing and manufacturing polymer packaging.

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