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Effect of Mineral Fillers on the Heat Resistance and Combustibility of an Intumescent Fireproofing Formulation on Silicone Base

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Abstract

An intumescent fireproofing formulation on silicone base, modified with mineral components (calcium carbonate, wollastonite, aluminosilicate microspheres), was studied by synchronous thermal analysis (Netzsch SТА 449 F5 Jupiter®). Introduction of 2–20 wt % wollastonite or aluminosilicate microspheres enhances the heat resistance (the ash residue increases by 27–40%) and reduces the combustibility of the modified fireproofing formulations (the total thermal effect of thermolysis of the fireproofing formulation decreases by a factor of more than 3). The optimum content of wollastonite and aluminosilicate microspheres is 5 wt %. Addition of calcium carbonate gave no complex positive effect.

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Authors and Affiliations

  1. Ural Institute of State Fire Service of EMERCOM of Russia, ul. Mira 22, Yekaterinburg, 620137, Russia

    O. V. Bezzaponnaya & E. V. Golovina

Authors
  1. O. V. Bezzaponnaya
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  2. E. V. Golovina
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Correspondence to O. V. Bezzaponnaya.

Additional information

Original Russian Text © O.V. Bezzaponnaya, E.V. Golovina, 2018, published in Zhurnal Prikladnoi Khimii, 2018, Vol. 91, No. 1, pp. 104−109.

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Bezzaponnaya, O.V., Golovina, E.V. Effect of Mineral Fillers on the Heat Resistance and Combustibility of an Intumescent Fireproofing Formulation on Silicone Base. Russ J Appl Chem 91, 96–100 (2018). https://doi.org/10.1134/S1070427218010159

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  • DOI: https://doi.org/10.1134/S1070427218010159

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