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TA of pval hydrogel cross-linked by chemical and eb irradiation process used as artificial articular cartilage

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Abstract

Hydrogels, in general, can be used as a compliant surface in prosthesis of human synovial joints due to their biocompatible characteristics. In this work, different hydrogels were prepared from two aqueous solutions of PVAL (15 and 20 mass/mass%) by chemical reactions using citric acid as a cross-linking agent and by electron beam (EB) irradiation with doses from 25 to 100 kGy. The hydrogels were evaluated by their mechanical properties through indentation creep test, thermal properties by differential scanning calorimetry (DSC), and also equilibrium water content (EWC).

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Authors and Affiliations

  1. Instituto de Pesquisas Energéticas e Nucleares, IPEN/CNEN-SP, Av. Prof. Lineu Prestes, 2242, Cidade Universitária, 05508-900, Săo Paulo, SP, Brazil

    L. D. B. Machado & E. S. Pino

  2. Faculdade de Engenharia Mecânica, Departamento de Materiais, Universidade Estadual de Campinas (UNICAMP), Săo Paulo -, SP, ZC 05508-000, Brazil

    V. P. Bavaresco, C. A. C. Zavaglia & M. C. Reis

Authors
  1. L. D. B. Machado
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  2. V. P. Bavaresco
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  3. E. S. Pino
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  4. C. A. C. Zavaglia
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  5. M. C. Reis
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Machado, L.D.B., Bavaresco, V.P., Pino, E.S. et al. TA of pval hydrogel cross-linked by chemical and eb irradiation process used as artificial articular cartilage. Journal of Thermal Analysis and Calorimetry 75, 445–451 (2004). https://doi.org/10.1023/B:JTAN.0000027131.16464.f2

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  • DOI: https://doi.org/10.1023/B:JTAN.0000027131.16464.f2

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