Ethylene/hindered phenol substituted norbornene copolymers: Synthesis and NMR structural determination |
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| Authors: | Caterina Viglianisi Stefano Menichetti Giulio Assanelli Maria Carmela Sacchi Incoronata Tritto Simona Losio |
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| Institution: | 1. Dipartimento di Chimica “Ugo Schiff,” Università di Firenze, Via della Lastruccia 13, 50019 Sesto Fiorentino (FI), Italy;2. ISMAC – CNR, Via Bassini 15, 20133 Milano, Italy |
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| Abstract: | A new family of ethylene‐based copolymers with controlled amounts of a norbornene comonomer (NArOH) bearing a stabilizing antioxidant functionality (2,6‐di‐tert‐butyl phenol) was prepared. Due to unavoidable exo/endo equilibrium operative in NArOH comonomer, a complete and detailed NMR assignment of the structure of the prepared ethylene/NArOH copolymers was carried out for the determination of the exo/endo ratio inside the polymer. These novel functionalized comonomers can be considered suitable starting material for preparing ethylene‐based copolymers, with tunable comonomer content, as non‐releasing macromolecular antioxidant additives for specific application in safe food and/or drug packaging © 2012 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2012 |
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| Keywords: | antioxidants ethylene/norbornene copolymerization macromolecular additives metallocene catalysts NMR packaging |
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