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Diffusion of aqueous hydrochloric acid into polyester resins

Part 2 Effect of an applied stress on diffusion behaviour

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Abstract

The influence of an applied stress on the solubility and diffusivity of aqueous hydrochloric acid in polyester resins has been examined. A radioactive tracer method, involving the use of3H and36Cl, enabled the mobility of both the water and the acid in the solution to be followed simultaneously. The results obtained were in accordance with those obtained previously with unstressed resins and showed that whereas water would diffuse freely in stressed polymers, hydrochloric acid would not. The results have important implications in relation to the mechanism of crack propagation in E-glass/polyester composites.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, University of Liverpool, P.O. Box 147, L69 3BX, Liverpool, UK

    B. D. Caddock & K. E. Evans

  2. Department of Materials Science and Metallurgy, University of Cambridge, Pembroke Street, CB2 3QZ, Cambridge, UK

    D. Hull

Authors
  1. B. D. Caddock
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  2. K. E. Evans
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  3. D. Hull
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Caddock, B.D., Evans, K.E. & Hull, D. Diffusion of aqueous hydrochloric acid into polyester resins. J Mater Sci 24, 1005–1010 (1989). https://doi.org/10.1007/BF01148790

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  • DOI: https://doi.org/10.1007/BF01148790

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