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The In-Situ Generation of Silica Reinforcement in Modified Polydimethylsiloxane Elastomers

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Abstract

The structure and properties of a series of modified polydimethylsiloxane (PDMS) elastomers reinforced by in situ generated silica particles were investigated. The PDMS elastomer was modified by systematically varying the molecular weight between reactive groups incorporated into the backbone. Tetraethoxysilane (TEOS) and partial hydrolyzate of TEOS were used to generate silica particles. The chemistry and phase structure of the materials were investigated by 29Si magic angle spinning nuclear magnetic resonance (NMR) spectroscopy and swelling experiments.

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Authors and Affiliations

  1. Advanced Materials Laboratory, University of New Mexico, Albuquerque, NM, 87106, USA

    S. Prabakar & R. A. Assink

  2. Sandia National Laboratories, Albuquerque, NM, 87185-1407, USA

    S. E. Bates, E. P. Black, T. A. Ulibarri, D. W. Schaefer, G. Beaucage & R. A. Assink

Authors
  1. S. Prabakar
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  2. S. E. Bates
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  3. E. P. Black
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  4. T. A. Ulibarri
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  5. D. W. Schaefer
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  6. G. Beaucage
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  7. R. A. Assink
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Prabakar, S., Bates, S.E., Black, E.P. et al. The In-Situ Generation of Silica Reinforcement in Modified Polydimethylsiloxane Elastomers. MRS Online Proceedings Library 435, 469–474 (1996). https://doi.org/10.1557/PROC-435-469

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  • DOI: https://doi.org/10.1557/PROC-435-469

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