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Szadkowski B, Marzec A, Rybiński P, et al. Characterization of Ethylene-propylene Composites Filled with Perlite and Vermiculite Minerals: Mechanical, Barrier, and Flammability Properties. Materials (Basel). 2020;13(3)doi: 10.3390/ma13030585.
Szadkowski, B., Marzec, A., Rybiński, P., Żukowski, W., & Zaborski, M. (2020). Characterization of Ethylene-propylene Composites Filled with Perlite and Vermiculite Minerals: Mechanical, Barrier, and Flammability Properties. Materials (Basel, Switzerland), 13(3), . https://doi.org/10.3390/ma13030585
Szadkowski, Bolesław, et al. "Characterization of Ethylene-propylene Composites Filled with Perlite and Vermiculite Minerals: Mechanical, Barrier, and Flammability Properties." Materials (Basel, Switzerland) vol. 13,3 (2020). doi: https://doi.org/10.3390/ma13030585
Szadkowski B, Marzec A, Rybiński P, Żukowski W, Zaborski M. Characterization of Ethylene-propylene Composites Filled with Perlite and Vermiculite Minerals: Mechanical, Barrier, and Flammability Properties. Materials (Basel). 2020 Jan 27;13(3). doi: 10.3390/ma13030585. PMID: 32012769; PMCID: PMC7040615.
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Materials (Basel). 2020 Jan 27;13(3). doi: 10.3390/ma13030585.

Characterization of Ethylene-propylene Composites Filled with Perlite and Vermiculite Minerals: Mechanical, Barrier, and Flammability Properties.

Materials (Basel, Switzerland)

Bolesław Szadkowski, Anna Marzec, Przemysław Rybiński, Witold Żukowski, Marian Zaborski

Affiliations

  1. Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, Poland.
  2. Institute of Chemistry, The Jan Kochanowski University, ?eromskiego 5, 25-369 Kielce, Poland.
  3. Department of Chemical Engineering and Technology, Cracow University of Technology, 31-155 Kraków, Poland.

PMID: 32012769 PMCID: PMC7040615 DOI: 10.3390/ma13030585

Abstract

Perlite and vermiculite are naturally occurring minerals, commonly used by industry to obtain highly thermoisolative and/or non-flammable materials. However, there has been little research into the preparation and application of rubber compounds containing these inexpensive mineral fillers. Here, we show the benefits of perlite and vermiculite minerals as fillers for ethylene-propylene rubber (EPM) composites. To obtain more uniform dispersion and improved compatibility between the minerals and the elastomer matrix, 1-allyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (AMIMTFSI) and 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BMIMTFSI) imidazolium ionic liquids (ILs) were added. The mineral fillers were found to be attractive semi-reinforcing fillers, which also act as flame retardants in the elastomer composites. Furthermore, a higher content of vermiculite mineral significantly reduced the air permeability of the composites. The incorporation of ionic liquids into the EPM-filled systems had a considerable effect on the torque increment, crosslink density, and more importantly the flammability of the studied compounds. The application of 2.5 parts per hundred parts of rubber (phr) BMIMTFSI, in particular, reduced the flammability of the EPM composite, as the maximum heat release rate (HRR

Keywords: composite properties; ethylene–propylene rubber; ionic liquids; perlite; vermiculite

Conflict of interest statement

The authors declare no conflict of interest.

References

  1. ACS Appl Mater Interfaces. 2011 Sep;3(9):3709-17 - PubMed
  2. ACS Appl Mater Interfaces. 2013 Apr 24;5(8):3054-62 - PubMed
  3. Polymers (Basel). 2018 Dec 29;11(1): - PubMed

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