Volume transition in a gel driven by hydrogen bonding

  title={Volume transition in a gel driven by hydrogen bonding},
  author={Franck Ilmain and Toyoichi Tanaka and Etsuo Kokufuta},
INTERACTIONS between macromolecules fall into four categories: ionic, hydrophobic, van der Waals and hydrogen bonding. Phase transitions in polymer gels provide a means of studying these interactions. Many gels will undergo reversible, discontinuous volume changes in response to changes in, for example, temperature, gel composition or light irradiation1–5. These transitions result from the competition between repulsive intermolecular forces, usually electrostatic in nature, that act to expand… CONTINUE READING

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