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Journal of Polymers and the Environment

, Volume 27, Issue 8, pp 1666–1676 | Cite as

Pro-Degradant Effect of Talc Nanoparticles on Polypropylene Films

  • Paula Belen Linares
  • Luciana Andrea Castillo
  • Silvia Elena BarbosaEmail author
Original paper
  • 33 Downloads

Abstract

Pro-degradant effect of talc nanoparticles on degradation process of polypropylene (PP) films was studied. For this purpose, two talc minerals having different intrinsic characteristics and iron content were used. Films with 0, 1 and 5% w/w of talc were exposed to three different weathering scenarios: indoor, outdoor and accelerated aging. The extent of degradation in films was evaluated by analyzing chemical and surface structure as well as optical, thermal and mechanical properties. The presence of talc induced a greater degradation in nanocomposite films and this phenomenon was increased with nanoparticle concentration. Samples having talc with higher iron content were more affected by weathering conditions since iron impurities acted as promoters of the degradation process. Clearly, iron impure talc is a good environmentally friendly alternative as a pro-degradant additive for PP degradation as its low cost (less than PP) and sustainability since does not contain heavy metals.

Keywords

Polypropylene Talc Degradation Films Iron impurity 

Notes

Acknowledgments

Authors want to express their gratitude to the National Research Council (CONICET), the National Agency for Scientific and Technological Promotion of Argentina (ANPCyT), and the National University of the South (UNS).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Paula Belen Linares
    • 1
    • 2
  • Luciana Andrea Castillo
    • 1
    • 2
  • Silvia Elena Barbosa
    • 1
    • 2
    Email author
  1. 1.Planta Piloto de Ingeniería Química (UNS-CONICET)Bahía BlancaArgentina
  2. 2.Universidad Nacional Del SurBahía BlancaArgentina

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