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Thermal stability of isotactic polypropylene modified with calcium carbonate nanoparticles

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Abstract

Thermal stability of isotactic polypropylene with or without calcium carbonate nanoparticles (nCaCO3) was investigated by chemiluminescence under isothermal regime at 190 °C. Two kinds of nCaCO3 particles, i.e., (neat and stearic acid-coated ones) were used. The contents of nCaCO3 within the iPP/nCaCO3 nanocomposites were 5, 10, 15, 20, and 25% w/w. Several parameters, i.e., oxidation induction time, oxidation half-time, maximum oxidation time, and oxidation rate were used to quantify the thermal stability of both the neat and the nCaCO3-filled iPP systems. The contribution of nanoparticles on the progress of oxidation is discussed. It has been found that the concentration of nCaCO3 increases the stability of systems when nanoparticles were covered, while the filler consisted of unmodified particles, the decrease in thermal strength with the increase in filler concentration was noticed.

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Authors and Affiliations

  1. Radiation Processing, R&D Institute for Electrical Engineering (INCDIE ICPE CA), 313 Splaiul Unirii, 74204, Bucharest, Romania

    Silviu Jipa & Traian Zaharescu

  2. Faculty of Sciences, University of Targoviste, Carol I Av., Targoviste, Romania

    Silviu Jipa

  3. The Petroleum and Petrochemical College and The Center for Petroleum, Petrochemicals and Advanced Materials, Chulalongkorn University, Bangkok, 10330, Thailand

    Pitt Supaphol

Authors
  1. Silviu Jipa
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  2. Traian Zaharescu
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Correspondence to Traian Zaharescu.

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Jipa, S., Zaharescu, T. & Supaphol, P. Thermal stability of isotactic polypropylene modified with calcium carbonate nanoparticles. Polym. Bull. 64, 783–790 (2010). https://doi.org/10.1007/s00289-009-0213-1

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  • DOI: https://doi.org/10.1007/s00289-009-0213-1

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