Miscibility-property correlations in blends of glassy amorphous polymers

László Büki, Eszter Gönczy, E. Fekete, Goetz P. Hellmann, B. Pukánszky

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Blends were prepared from seven polymers in various combinations in the entire composition range. The Flory-Huggins interaction parameter (X12) was used for the quantitative estimation of miscibility. The determination of X12 was attempted by several experimental techniques including the measurement of transparency, glass transition temperature, solvent diffusion and mechanical properties. The relatively simple methods used for the estimation of miscibility work surprisingly well. Solvent absorption can be determined easily for practically all blends, thus the method offers a quantitative measure of component interaction if the solvent is selected properly. After appropriate data reduction, the composition dependence of mechanical properties also supplies a quantitative estimate of compatibility. Although the approach presented in the paper reflects well the general correlation between miscibility and properties, it must be refined and improved in order to obtain a reliable estimate of blend performance.

Original languageEnglish
Pages (from-to)9-20
Number of pages12
JournalMacromolecular Symposia
Volume170
DOIs
Publication statusPublished - 2001

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Polymers
solubility
Solubility
polymers
mechanical properties
Mechanical properties
data reduction
Polymer blends
estimates
Chemical analysis
Transparency
glass transition temperature
compatibility
Data reduction
interactions
Glass transition temperature

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Miscibility-property correlations in blends of glassy amorphous polymers. / Büki, László; Gönczy, Eszter; Fekete, E.; Hellmann, Goetz P.; Pukánszky, B.

In: Macromolecular Symposia, Vol. 170, 2001, p. 9-20.

Research output: Contribution to journalArticle

Büki, László ; Gönczy, Eszter ; Fekete, E. ; Hellmann, Goetz P. ; Pukánszky, B. / Miscibility-property correlations in blends of glassy amorphous polymers. In: Macromolecular Symposia. 2001 ; Vol. 170. pp. 9-20.
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