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Methacrylate derivatives incorporating pyroglutamic acid.

Tara J Smith1, Lon J Mathias

  • 1School of Polymers and High Performance Materials, University of Southern Mississippi, Box 10076, Hattiesburg, Mississippi 39406-0076, USA.

Biomacromolecules
|November 12, 2002
PubMed
Summary

New pyroglutamic acid-based methacrylates offer rapid photopolymerization and excellent adhesion. These novel monomers enable initiator-free melt polymerization, yielding versatile coatings for various surfaces.

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Area of Science:

  • Polymer Chemistry
  • Materials Science

Background:

  • Photopolymerization is crucial for coatings and adhesives.
  • Developing novel monomers with enhanced properties is an ongoing research area.

Purpose of the Study:

  • To synthesize novel pyroglutamic acid-containing methacrylates.
  • To investigate their photopolymerization kinetics and properties.
  • To evaluate the performance of resulting coatings.

Main Methods:

  • Synthesis of methyl alpha-pyroglutamyl methylacrylate (PyMM) and methyl alpha-pyroglutamidoundecanoyl methylacrylate (PyUM).
  • Photopolymerization studies in homopolymerization and with N-vinyl pyrrolidinone (NVP) and hydroxyethyl methacrylate (HEMA).
  • Characterization of polymer properties (solubility, cross-linking) and coating adhesion to PET and glass.

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Main Results:

  • High yields in the synthesis of PyMM and PyUM.
  • Very fast photopolymerization rates observed for both monomers.
  • Tunable polymer properties (soluble or cross-linked) based on polymerization temperature.
  • Initiator-free melt polymerization capability.
  • Good to excellent adhesion of cured coatings on poly(ethylene terephthalate) and glass.

Conclusions:

  • Pyroglutamic methacrylates are effective monomers for rapid photopolymerization.
  • These monomers offer versatility in creating soluble or cross-linked polymers.
  • The ability to polymerize in the melt without an initiator is a significant advantage.
  • Resulting coatings demonstrate excellent adhesion, indicating potential for advanced material applications.