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Green synthesis of polymers containing phosphorus in the main chain
- Source :
- Comptes Rendus Chimie. 14:647-651
- Publication Year :
- 2011
- Publisher :
- Elsevier BV, 2011.
-
Abstract
- New structures of polymers containing phosphorus in the main chain were prepared by interfacial polycondensation of phenylphosphonic dichloride with 4,4’-(1,3-phenylenediisopropylidene) bisphenol (bisphenol M) using two different methods: method I: gas–liquid interfacial polycondensation without an organic solvent and a catalyst; and method II: solid–liquid interfacial polycondensation using green solvents and without catalyst. The aim of this work was to apply these methodologies as eco-friendly and economical procedures for a green chemistry. The polymers were characterized by gel permeation chromatography (GPC), FT-IR, 1 H and 31 P-NMR spectroscopy, differential scanning calorimetry (DSC) and thermal analysis. Yields in the range of 88.0–90.0, and inherent viscosities in the range of 2.2–3.2 dl/g were obtained. High molecular weight polymers (57 600–114 400) have been successfully prepared. The polymers are self-extinguishing and begin to lose weight at around 300 °C. The flammability was investigated by measuring limiting oxygen index values (LOI).
Details
- ISSN :
- 16310748
- Volume :
- 14
- Database :
- OpenAIRE
- Journal :
- Comptes Rendus Chimie
- Accession number :
- edsair.doi...........1de4b25517090236288b8c27379e07bc