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Issue 1, 2011
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Synthesis of polyphosphorinanes Part II. Preparation, characterization and thermal properties of novel flame retardants

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Abstract

We report here the investigation of new flame retardant compounds for textiles, obtained by radical polymerization of allyloxydioxaphosphorinanes. These monomers were first synthesized by a transesterification reaction. A deep NMR study of such compounds revealed the existence of diastereoisomers Z and E. Radical polymerizations of allyloxydioxaphosphorinanes in the presence of a chain transfer agent, i.e.dimethylhydrogenophosphonate, led to oligomers of rather low molecular weights and especially adducts with DP 1 and 2. It was demonstrated that radical polymerization of allyloxydioxaphosphorinanes with P–R (R being alkyl or aryl) does afford only linear oligomers instead of hyperbranched polymers when R is hydrogen. The thermogravimetric analyses of the oligomers showed a good thermal stability and a high content of char residue (more than 16 wt%). The flame retardant properties were also evaluated by microcalorimeter tests and revealed an efficient behavior especially in the condensed phase, comparatively to Antiblaze 19®, the flame retardant commercial product for polyester textile.

Graphical abstract: Synthesis of polyphosphorinanes Part II. Preparation, characterization and thermal properties of novel flame retardants

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Publication details

The article was received on 09 Sep 2010, accepted on 13 Sep 2010 and first published on 14 Oct 2010


Article type: Paper
DOI: 10.1039/C0PY00297F
Citation: Polym. Chem., 2011,2, 236-243
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    Synthesis of polyphosphorinanes Part II. Preparation, characterization and thermal properties of novel flame retardants

    C. Negrell-Guirao, B. Boutevin, G. David, A. Fruchier, R. Sonnier and J. Lopez-Cuesta, Polym. Chem., 2011, 2, 236
    DOI: 10.1039/C0PY00297F

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