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Low-temperature thermal conductivity of diolmodified epoxies

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Summary

The thermal conductivity at low temperatures (between 0.5 K and 100 K) was measured for diolmodified epoxies. Diglycidyl ether of bisphenol A (DGEBA) was modified for this purpose by aliphatic diols with the structure HO-(-CH2-)n-OH in the presence of catalyst (either N,N-dimethyl benzylamine or magnesium perchlorate). Sample series with diols of n=4,8 and 12 were synthesized and measured. The results at T<20K shows a clear dependence of the thermal conductivity values on the chain length of the diols. The increasing amount of diol in the epoxies cause a larger change on these values in the same temperature range.

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Authors and Affiliations

  1. Sektion Chemie, Technische Hoschschule “Carl Schorlemmer” Leuna-Merseburg, Otto Nuschke-Strasse, DDR-4200, Merseburg, Germany

    Angel Licea-Claverie & Karl-Friedrich Arndt

  2. Sektion Physik, Technische Universität Dresden, Mommsenstrasse 13, DDR-8027, Dresden, Germany

    Michael Müller & Manfred Jäckel

Authors
  1. Angel Licea-Claverie
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  2. Michael Müller
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  3. Manfred Jäckel
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  4. Karl-Friedrich Arndt
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Licea-Claverie, A., Müller, M., Jäckel, M. et al. Low-temperature thermal conductivity of diolmodified epoxies. Polymer Bulletin 24, 421–427 (1990). https://doi.org/10.1007/BF00294096

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