The development of thermoplastic main-chain benzoxazine prepolymers for advanced chemically induced phase separation (advanced CIPS) towards high-performance thermoset networks with defined morphologies and improved mechanical performance will be presented1. Additionally the transfer of benzoxazines to water-based systems following multiple synthetic approaches will be shown. For example polymerizable benzoxazine surfactants2 and protective colloids3 were synthesized and introduced as novel functional materials that can provide colloidal stability in dispersion.A completely different approach towards water-related polybenzoxazines was introduced by the creation polybenzoxazine-based polyelectrolytes carrying cationic charges at the side chain and/or the backbone. Adjustable solubilities in various solvents and unique hydrogen-bonding capabilities were observed. 4  1.             Sawaryn, C.; Landfester, K.; Taden, A., Advanced chemically induced phase separation in thermosets: Polybenzoxazines toughened with multifunctional thermoplastic main-chain benzoxazine prepolymers. Polymer 2011,  52 (15), 3277-3287.2.             Sawaryn, C.; Landfester, K.; Taden, A., Benzoxazine Miniemulsions Stabilized with Polymerizable Nonionic Benzoxazine Surfactants. Macromolecules 2010,  43 (21), 8933-8941.3.             Sawaryn, C.; Landfester, K.; Taden, A., Benzoxazine Miniemulsions Stabilized with Multifunctional Main-chain Benzoxazine Protective Colloids. Macromolecules 2011,  44 (14), 5650-5658.4.             Sawaryn, C.; Landfester, K.; Taden, A., Cationic Polybenzoxazines. A Novel Polyelectrolyte Class with Adjustable Solubility and Unique Hydrogen-Bonding Capabilities. Macromolecules 2011,  44 (19), 7668-7674.

Morphology control and aqueous systems based on benzoxazine chemistry

246th National Meeting (2013)

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