Porous Dipeptide Crystals as Polymerization Nanoreactors


  • We thank Regione Lombardia and MIUR for financial support. Thanks to Dr. Martino Mauri for technical support and Prof. A. Faucitano for access to irradiation facilities.


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Channeling a good polymer: Dipeptide crystals have been used for solid-state polymerization reactions. The porosity of the crystals enables monomer absorption, followed by γ-irradiation to produce polymers with high molecular weights. The crystal channels induce stereoselective reactions to yield 1,4-trans polydienes and isotactic poly(acrylonitrile) with retention of fibrillar morphology (see scheme).