Application of Statistical Mixture Models for Ternary Polymer Blends

نویسندگان

  • I. Nascimento
  • R. E. Bruns
  • D. F. Siqueira
چکیده

Este trabalho mostra como modelos estatísticos podem ajudar na obtenção de misturas poliméricas complexas. Neste caso foram estudadas misturas poliméricas ternárias cujos valores de energia e tensão de ruptura foram medidos para treze amostras com proporções diferentes. As respostas foram tratadas estatisticamente usando modelos cúbicos especial e completo. O comportamento dos valores das respostas para toda a faixa de composição das blendas PS/PMMA/PVDF e PS/PBMA/PVDF foram adequadamente descrito pelo modelo cúbico completo. Diagramas ternários marcados por valores de curvas de nível são úteis para analisar como estas propriedades mecânicas mudam quando se varia a proporção dos componentes. Uma modelagem estatística correta para toda a faixa de proporção de componentes para a blenda PS/PEMA/PVDF requer modelos de misturas mais sofisticados.

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تاریخ انتشار 1998