Journal of Materials Science

, Volume 53, Issue 12, pp 8909–8920 | Cite as

Synthesis and application of a novel environmental C26 diglycidyl ester plasticizer based on castor oil for poly(vinyl chloride)

  • Jie Chen
  • Zengshe Liu
  • Xiaoan Nie
  • Jianchun Jiang
Chemical routes to materials


A castor oil-derived diglycidyl ester plasticizer (C26-DGE) was prepared and incorporated into poly(vinyl chloride) (PVC) for the first time. The chemical structure of the product was characterized by Fourier transform infrared spectroscopy (FTIR), proton nuclear magnetic resonance (1H-NMR), and carbon-13 nuclear magnetic resonance (13C-NMR). The plasticizing effects of C26-DGE as a primary or secondary plasticizer for the commercial plasticizer dioctyl phthalate (DOP) were studied. The mechanical properties, thermal stability, and migration stabilities of PVC films were investigated using dynamic mechanical analysis, thermogravimetric analysis (TGA), TGA-FTIR analysis, and PVC film surface analysis. Tensile, volatility, and extraction tests were also done. The castor oil-based plasticizer was found to endow the PVC matrix with enhanced compatibility and flexibility. With partially or completely substituted DOP, C26-DGE significantly increased the thermal stability of PVC blends. Furthermore, the volatility and extraction resistance of the novel plasticizers were generally superior to those of DOP. The interaction between the C26-DGE and PVC molecules and the thermal degradation process of PVC blends were also investigated.



The authors are grateful for the financial support from the National “Twelfth Five-Year” Plan for Science & Technology Support (Grant Number: 2015BAD15B08) and the Key laboratory of biomass energy and materials of Jiangsu Province (Grant Number: JSBEM-S-201604).

Compliance with ethical standards

Conflict of interest

The authors declare that there is no conflict of interests regarding the publication of this article.


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Authors and Affiliations

  1. 1.Institute of Chemical Industry of Forestry ProductsChinese Academy of ForestryNanjingPeople’s Republic of China
  2. 2.National Engineering Laboratory for Biomass Chemical UtilizationNanjingPeople’s Republic of China
  3. 3.Key Laboratory of Biomass Energy and MaterialNanjingPeople’s Republic of China
  4. 4.USDA, ARS, National Center for Agricultural Utilization Research, Bio-Oils Research UnitPeoriaUSA

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