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Synthesis of γ-cyclodextrin substituted bis(acyl)phosphane oxide derivative (BAPO-γ-CyD) serving as multiple photoinitiator and crosslinking agent
Chemical Communications ( IF 6.164 ) Pub Date : 2020/03/25 , DOI: 10.1039/d0cc01732a
Hansjörg Grützmacher; Andrea Cosola; Riccardo Conti; Vijay Kumar Rana; Marco Sangermano; Annalisa Chiappone; Joëlle Levalois-Grützmacher

A new multi-photoactive γ-cyclodextrin substituted bis(acyl)phosphane oxide derivative (BAPO-γ-CyD) was successfully prepared via a convergent synthesis using a Phospha-Michael-addition, as confirmed by 1H-, 13C-, 31P-NMR and IR spectroscopy and mass spectrometry. Kinetic studies carried out by photo-DSC and photo-rheology, demonstrated its outstanding efficiency as photoinitiator for free-radical polymerization. Remarkably, it is found that BAPO-γ-CyD also acts as crosslinking agent to convert monofunctional methacrylate monomers into self-standing thermosetting networks with extensive swelling capability in water.
更新日期:2020-03-26

 

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