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pH-dependent swelling behaviour of interpenetrating polymer network hydrogels based on poly(hydroxybutyl methacrylate) and poly(2-hydroxyethyl methacrylate)

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International Journal of Plastics Technology

Abstract

Interpenetrating polymer network (IPN) hydrogels based on poly(hydroxybutyl methacrylate) (poly(HBMA)) and poly(2-hydroxyethyl methacylate) (poly(HEMA)) were constructed by a sequential IPN method. 1,6-hexanedioldiacrylate (HDDA) was used as a crosslinker and erythrosine/triethanolamine (TEOA) system to initiate radical polymerization after UV light exposure. Effect of pH on the swelling behaviour of these IPNs was investigated. The results showed that the IPN hydrogels exhibited negatively change of swelling behaviour with variation in pH from 2 to 11 and the diffusion of water molecules was caused by the electrostatic attraction between polar groups (–OH) in both IPN and H2O that occur when a hydrogen (H) atom bound to the oxygen (O) which have a high electronegativity. Sample modeling was used to rationalize the experimental results obtained. Good correlation between theoretical and experimental results was mentioned.

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Acknowledgments

This work was supported by Research on Macromolecules Laboratory (LRM), Faculty of Science—Tlemcen University, Algeria.

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Authors and Affiliations

  1. Center for Scientific and Technical Research in Physical and Chemical Analysis (CRAPC), Tipaza, Algeria

    S. Hamri

  2. Research on Macromolecules Laboratory, Faculty of Science, University of Abou Bekr Belkaid, BP 119, 13000, Tlemcen, Algeria

    S. Hamri & T. Bouchaour

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  1. S. Hamri
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  2. T. Bouchaour
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Correspondence to S. Hamri.

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Hamri, S., Bouchaour, T. pH-dependent swelling behaviour of interpenetrating polymer network hydrogels based on poly(hydroxybutyl methacrylate) and poly(2-hydroxyethyl methacrylate). Int J Plast Technol 20, 279–293 (2016). https://doi.org/10.1007/s12588-016-9155-2

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  • DOI: https://doi.org/10.1007/s12588-016-9155-2

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