Phase diagram of a cellulose solvent: N-methylmorpholine-N-oxide-water mixtures

Abstract : The phase diagram of the N-methylmorpholine-N-oxide-H2O mixtures from 0 to 100% has been determined. Three crystalline hydrates have been identified, the already known monohydrate, a dihydrate and a hydrate composed of 8 water molecules per NMMO. The melting temperature of the 8H(2)O-NMMO hydrate is -47degreesC with a melting enthalpy of about 80 J/g. The region between 25 and 55% of water does not show any crystallisation, but a glass transition around - 60 to - 100degrees C.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00533069
Contributeur : Corinne Matarasso <>
Soumis le : vendredi 5 novembre 2010 - 09:56:18
Dernière modification le : lundi 12 novembre 2018 - 10:58:33

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Olga Biganska, Patrick Navard. Phase diagram of a cellulose solvent: N-methylmorpholine-N-oxide-water mixtures. Polymer, Elsevier, 2003, 44 (4), p.1035-1039. ⟨10.1016/S0032-3861(02)00902-3⟩. ⟨hal-00533069⟩

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