N-Acetoxy-phthalimide (NAPI) as a new H-abstracting agent at high temperature: application to the melt functionalization of polyethylene

Denis Bélékian; Philippe Cassagnau; Jean-Jacques Flat; Sébastien Quinebeche; Laurent Autissier; Denis Bertin; Didier Siri; Didier Gigmes; Yohann Guillaneuf; Philippe Chaumont; Emmanuel Beyou

doi:10.1039/C3PY00246B

N-Acetoxy-phthalimide (NAPI) as a new H-abstracting agent at high temperature: application to the melt functionalization of polyethylene†

Denis Bélékian,^a Philippe Cassagnau,^a Jean-Jacques Flat,^b Sébastien Quinebeche,^b Laurent Autissier,^c Denis Bertin,^c Didier Siri,^c Didier Gigmes,*^c Yohann Guillaneuf,*^c Philippe Chaumont*^a and Emmanuel Beyou*^a

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* Corresponding authors

^a Université de Lyon 1, CNRS, UMR5627 IMP/LMPB, Villeurbanne, France
E-mail: emmanuel.beyou@univ-lyon1.fr
Fax: +33 (0)4 72 43 12 49
Tel: +33 (0)4 72 44 82 12

^b ARKEMA, Centre d'Etude de Recherche et de Développement, 27470 Serquigny, France

^c Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille, France
E-mail: yohann.guillaneuf@univ-amu.fr, didier.gigmes@univ-amu.fr
Fax: +33 (0)4 91 28 87 58
Tel: +33 (0)4 91 28 28 10

Abstract

A new H-abstracting agent, N-acetoxy-phthalimide (NAPI), was designed that cleaves mainly homolytically into acyloxyl and aminyl radicals at 190 °C. Melt PE grafting experiments confirmed the H-abstraction efficiency of NAPI. It was also shown that the grafting of maleic anhydride increased and at the same time undesired crosslinking lowered compared to peroxides.

Polymer Chemistry

N-Acetoxy-phthalimide (NAPI) as a new H-abstracting agent at high temperature: application to the melt functionalization of polyethylene†

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N-Acetoxy-phthalimide (NAPI) as a new H-abstracting agent at high temperature: application to the melt functionalization of polyethylene

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