Thermal conductivity of Tecamax (R) SRP from millikelvin temperatures to room temperature

Adam L. Woodcraft, Valentina Martelli, Guglielmo Ventura

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Tecamax (R) SRP (self-reinforced polyphenylene) is a new commercially available amorphous polymer which is suitable for use at cryogenic temperatures. It has a high tensile strength (210 MPa at room temperature), resulting from the molecular structure of the polymer rather than by the addition of reinforcing materials. We have measured the thermal conductivity between 60 mK and 280 K. We find that the conductivity below 10 K is similar to, but lower than, most amorphous materials, and the material offers a good combination of low conductivity at low temperatures and high tensile strength. Our results suggest that the material may in fact have a small crystalline component, which may be a partial explanation for the low conductivity. Above 10 K, the temperature dependence of the conductivity is different from most amorphous materials. We are unaware of previous measurements of the thermal conductivity of this material, even at room temperature. (C) 2009 Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)66-70
Number of pages5
Issue number2
Publication statusPublished - Feb 2010


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