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Apparent compatibility in n-alkane/poly(dimethyl phenylene oxide) blends

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Summary

We report here on the apparent compatibility of a series of n-alkane/PDMPO blends. Three alkanes were examined [eicosane (C20), tetracosane (C24), and Polywax 2000 (nominally C142)] as blends of 5, 10, 15, and 20 wt.% alkane with PDMPO. Samples were judged to be compatible or incompatible according to three criteria: (a) visual appearance, i.e., transparent vs. opaque molded specimens, (b) the presence or absence of an alkane crystalline melting peak in a DSC thermogram, and (c) downward shifts in the PDMPO-rich phase glass transition temperatures from the T g range of 195–200°C for PDMPO homopolymer. The T u>Tm alkane component transition has not been observed in any of the blends prepared to date.

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Authors and Affiliations

  1. Michigan Molecular Institute, 1910 West St. Andrews Road, 48640, Midland, MI, USA

    Karl W. Dunker & Steven E. Keinath

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  1. Karl W. Dunker
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  2. Steven E. Keinath
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Dunker, K.W., Keinath, S.E. Apparent compatibility in n-alkane/poly(dimethyl phenylene oxide) blends. Polymer Bulletin 17, 523–529 (1987). https://doi.org/10.1007/BF00283088

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  • DOI: https://doi.org/10.1007/BF00283088

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