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Effects of dimethylsiloxane diluents on the optical properties of poly(dimethylsilmethylene) networks

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Summary

Low molecular weight cyclic and linear molecules of highly flexible dimethylsiloxane (DMS) units [-Si(CH3)2O-] were used to swell elastomeric networks of poly(dimethylsilmethylene) [-Si(CH3)2CH2-]. Strain birefringence measurements in elongation at 10°C showed the birefringence to decrease regularly with increase in degree of polymerization of the DMS diluent, with three of the four diluents having the unusual effect of increasing the birefringence. Therefore, if correlative effects are the origin of the increase, they do not seem to require high geometric asymmetry in the diluent molecules.

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  1. V. Galiatsatos

    Present address: Department of Chemistry, University of Washington, 98105, Seattle, WA, USA

Authors and Affiliations

  1. Department of Chemistry and the Polymer Research Center, University of Cincinnati, 45221, Cincinnati, OH, USA

    V. Galiatsatos & J. E. Mark

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  1. V. Galiatsatos
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  2. J. E. Mark
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Galiatsatos, V., Mark, J.E. Effects of dimethylsiloxane diluents on the optical properties of poly(dimethylsilmethylene) networks. Polymer Bulletin 17, 197–203 (1987). https://doi.org/10.1007/BF00285350

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  • DOI: https://doi.org/10.1007/BF00285350

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