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Oxazoline-Containing Phosphazene Derivatives Part II Polymer Preparation and Modification Through the Reactivity of Oxazoline Moieties on Cyclophosphazenes (Articolo in rivista)

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Oxazoline-Containing Phosphazene Derivatives Part II Polymer Preparation and Modification Through the Reactivity of Oxazoline Moieties on Cyclophosphazenes (Articolo in rivista) (literal)

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Alternative label

1-Bertani; R.; 2-Fambri L.; 3-Fiocca L.; 3-Giannotta G.; 4-Gleria; 3-M., Po' R.; 5-Scalabrin S.; 5-Tondello E.; 4-Venzo A. (2007)
Oxazoline-Containing Phosphazene Derivatives Part II Polymer Preparation and Modification Through the Reactivity of Oxazoline Moieties on Cyclophosphazenes
in Journal of inorganic and organometallic polymers and materials (Print); Springer Science, New York (Stati Uniti d'America)
(literal)

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1-Bertani; R.; 2-Fambri L.; 3-Fiocca L.; 3-Giannotta G.; 4-Gleria; 3-M., Po' R.; 5-Scalabrin S.; 5-Tondello E.; 4-Venzo A. (literal)

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1-Dipartimento di Processi Chimici dell? Ingegneria, Universita' di Padova, Via F.Marzolo 9, 35125, Padova, Italy. 2-Dipartimento di Ingegneria dei Materiali e Tecnologie Industriali, Universita` di Trento, Via Mesiano 77, 38050, Trento, Italy. 3-Enitecnologie S.p.A., Centro Ricerche Novara- Istituto Donegani, Via Fauser 4, 28100, Novara, Italy. 4-CNR-ISTM, Dipartimento di Scienze Chimiche, Universita' di Padova, Via Marzolo 1, 35131, Padova, Italy. 5-Dipartimento di Scienze Chimiche, Universita' di Padova, Via Marzolo 1, 35131, Padova, Italy. (literal)

Titolo

Oxazoline-Containing Phosphazene Derivatives Part II Polymer Preparation and Modification Through the Reactivity of Oxazoline Moieties on Cyclophosphazenes (literal)

Abstract

In this paper we report the synthesis, the characterization and the practical utilization of two cyclophosphazenes (CPs) substituted with two (C-2-OXA) and six (C-6-OXA) 2-(4-hydroxy-phenyl)-2-oxazoline groups, respectively. The first chemical observation on these substrates is that the reactivity of the oxazoline groups is preserved even when these products are attached to the phosphorus atoms of a cyclophosphazene ring. By reaction of C-2-OXA with organic molecules, e.g. adipic acid, and macromolecules, e.g. poly(ethylene terephthalate) (PET), the oxazoline substituents open their heterocycles to form cyclolinear polymers or to act as chain extenders. Similarly, the ring-opening polymerization reaction of C-6-OXA in the presence of cationic initiators allows the production of a new class of cyclomatrix polymers. The char-acterization of the new materials is reported. (literal)

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