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Crosslinked poly(vinyl alcohol) hydrogels as swollen elastic networks
Abstract
Transparent crosslinked PVA hydrogels were prepared by electron beam irradiation of aqueous solutions under nitrogen. These weak hydrogels, upon swelling at 30°C in water, showed low elastic moduli (up to 50 psi), low ultimate tensile strength (up to 4 psi), and low extensibility to break (not higher than 85%). Values of the molecular weight between crosslinks Mc were calculated from swelling and from tensile experiments. In fact, two values of Mc were calculated for each swelling experiment, (a) allowing for observed variation in the polymer–solvent interaction parameter χ 1 with concentration, and (b) fixing χ 1 = 0.494 according to literature data. The correlation of the Mc obtained from tensile data with the Mc obtained from swelling data, by (a) or (b), was approximately linear and gave the same per cent agreement.
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Koetting, M. C., Peters, J. T., Steichen, S. D., & Peppas, N. A. (2015) · Materials Science and Engineering: R: Reports · doi:10.1016/j.mser.2015.04.001 · Cited by 1,191
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Metadata
- Authors
- Peppas, N. A., & Merrill, E. W.
- Venue
- Journal of Applied Polymer Science
- Publisher
- Wiley
- Published
- 1977-07
- Volume
- 21
- Issue
- 7
- Pages
- 1763-1770
- ISSN
- 0021-8995 (ISSN-L)
- 1097-4628
- OpenAlex
- W2141189987
- Cited by
- 441
- References
- 0
- FWCI
- 0.55
- Type
- journal article
- Language
- en
- Open access
- closed
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
