Synthesis of Carbon–Nitrogen–Phosphorous Materials with an Unprecedented High Amount of Phosphorous toward an Efficient Fire‐Retardant Material

Angewandte Chemie - International Edition - Tập 57 Số 31 - Trang 9764-9769 - 2018
Wenyao Zhang1,2,3,4, Jesús Barrio2, Christel Gervais5, Andraž Kocjan6, Aiping Yu4, Xin Wang3, Menny Shalom2
1Colloid Chemistry Department Department Max Planck Institute for Colloids and Interfaces Potsdam 14424 Germany
2Department of Chemistry and Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
3Key Laboratory of Soft Chemistry and Functional Materials, Nanjing University of Science and Technology, Nanjing 210094, China
4Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2L3G1, Canada
5Sorbonne Université, Collège de France Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP) UPMC Universite Paris 6, UMR CNRS 7574 4 place Jussieu 75252 Paris cedex 05 France
6Department for Nanostructured Materials, Jožef Stefan Institute, Ljubljana, Slovenia

Tóm tắt

AbstractPhosphorus incorporation into carbon can greatly modify its chemical, electronic, and thermal stability properties. To date this has been limited to low levels of phosphorus. Now a simple, large‐scale synthesis of carbon–nitrogen–phosphorus (CNP) materials is reported with tunable elemental composition, leading to excellent thermal stability to oxidation and fire‐retardant properties. The synthesis consists of using monomers that are liquid at high temperatures as the reaction precursors. The molten‐state stage leads to good monomer miscibility and enhanced reactivity at high temperatures and formation of CNP materials with up to 32 wt % phosphorus incorporation. The CNP composition and fire‐retardant properties can be tuned by modifying the starting monomers ratio and the final calcination temperature. The CNP materials demonstrate great resistance to oxidation and excellent fire‐retardant properties, with up to 90 % of the materials preserved upon heating to 800 °C in air.

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Angewandte Chemie - International Edition

Tập 57 Số 31

9764-9769

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