Investigation of the Effect of Montmorillonite on the Thermal Properties of Polyvinylpyrrolidone

V. Krasinskyi, Solomiia Onysko
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Abstract

The influence of montmorillonite (MMT) on the thermal properties of polyvinylpyrrolidone (PVP) was studied by differential thermal and thermogravimetric analyses. It was found that the samples of the montmorillonite-polyvinylpyrrolidone mixture are characterized by higher thermal stability than the sample of pure PVP. It is shown that the degree of increase in the temperature of the beginning of destruction depends on the ratio of the mixture's components. It was found that the composition MMT:PVP = 1:7 has the highest heat resistance (260 °C), while pure PVP begins to degrade at a temperature of 200 °C.
蒙脱土对聚乙烯吡咯烷酮热性能影响的研究
采用差热分析和热重分析方法研究了蒙脱土(MMT)对聚乙烯吡咯烷酮(PVP)热性能的影响。结果表明,蒙脱石-聚乙烯吡咯烷酮混合物样品的热稳定性优于纯PVP样品。结果表明,破坏开始时温度的升高程度取决于混合物组分的比例。结果发现,MMT:PVP = 1:7的组合物耐热性最高(260℃),而纯PVP在200℃时开始降解。
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