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Thermal stability of methacrylamide/montmorillonite intercalation complex

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Abstract

Thermal stability of methacrylamide intercalated octadecylammonium montmorillonite (OD-M/MA) is limited by rapid desorption of methacrylamide (MA) at 140°C. It was improved by γ-irradiation. The irradiation intercalation complex OD-M/MA γ shows significant shift of the whole desorption process towards higher temperatures. However, part of the adsorbed organic material is released at 50°C signalizing presence of some volatile fractions. Decomposition products of the intercalated material and long-chain alkylamides in the acetone extract indicate complex reactions between MA and octadecylammonium chains. An additional swelling of the silicate structure occurs after γ-ray initiation and is probably related to the reaction products with a certain degree of cross-linking in the interlayers.

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Authors and Affiliations

  1. Faculty of Natural Sciences, Comenius University, 84215, Bratislava, Slovak Republic

    V. Hlavaty & A. Oya

  2. Faculty of Engineering, Gunma University, Kiryu, 376, Gunma, Japan

    A. Oya

Authors
  1. V. Hlavaty
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  2. A. Oya
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Hlavaty, V., Oya, A. Thermal stability of methacrylamide/montmorillonite intercalation complex. Journal of Thermal Analysis 46, 521–528 (1996). https://doi.org/10.1007/BF02135030

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