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UBC Theses and Dissertations

The thermal conductivity of natural and synthetic rubber-sulphur compounds Lang, Francis Alexander


The thermal conductivity of natural and butyl rubber-sulphur compounds has been investigated at temperatures from - 150° C. to + 30° C. and extensions of 0% to 100%. Readings obtained are plotted on graphs in the order in which they were obtained to show a likely time effect. Results of previous experiments are included in the tables. The results show a very definite change in conductivity due to the addition of sulphur. They do not definitely prove the existence of a completely reproducible hysteris curve.

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