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Fast-scanning calorimetry of electrospun polyamide nanofibres: Melting behaviour and crystal structure Vrije Universiteit Brussel
This paper discusses the melting behaviour and crystal structure of electrospun (polymorphous) polyamide (PA) fibres and presents the importance of the heating rate used for their study by thermal analysis. A case study of PA6, PA46 and PA69 nanofibres is performed using a Rapid Heat-Cool DSC (RHC), a fast-scanning calorimeter capable of controlled heating rates above 1000 K min−1. Thermal lag becomes significant at scan rates above 500 K min−1 ...
New stable phosphorus ylide (p-tolyl)(3)P = CHCOC6H4 (p-CN) and its metal complexes : crystal and molecular structure, theoretical study and antibacterial investigation Universiteit Gent
A new stable phosphorus ylide (p-tolyl)(3)P = CHCOC6H4(p-CN) (Y) was synthesized and a series of novel complexes based on metalated phosphorus ylides were prepared through the reaction of (p-tolyl)(3)P = CHCOC6H4(p-CN) with mercury(II) halides, AgNO3 and Cd(NO3)(2) in equimolar ratios using MeOH or CH2Cl2 as solvent. Characterization of the obtained compounds was also performed by elemental analysis, FT-IR, H-1, P-31, and C-13 NMR techniques. ...
Binuclear and polymeric Hg(II) complexes of an ambidentate phosphorus ylide : synthesis, crystal structure, antibacterial activity, and theoretical studies Universiteit Gent
The new alpha-keto-stabilized phosphorus ylide Ph3PCHC(O)PhCN (Y) was synthesized by addition of triphenylphosphine to 2-bromo-4 '-cyanoacetophenone, followed by treatment with NaOH 10%. Reaction of ligand (Y) with methanolic solution of mercury(II) halides under mild conditions yielded the binuclear complexes [Y center dot HgX2](2) [X=Cl (1), Br (2), I (3)]. The new organic/inorganic composite polymer [Hg(NO3)(2)(Y)](n) (4) was synthesized by ...