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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/19537

    Title: Curing and combustion properties of a PU-coating system with UV-reactive phosphazene
    Authors: Huang, Woei-kae;Chen, Kwei-ju;Yeh, Jen-taut;Chen, Kan-nan
    Contributors: 淡江大學化學學系
    Keywords: PU;UV-reactive phosphazene;UV curing;combustion;cone calorimetry
    Date: 2002-08-29
    Issue Date: 2009-11-04 16:57:41 (UTC+8)
    Publisher: John Wiley & Sons
    Abstract: A UV-curable polyurethane (PU)-coating system containing phosphorus is formulated by the combination of photoinitiator, PU acrylate oligomer, and UV-reactive phosphazene monomer. PU acrylate oligomer is prepared by the addition of 2-hydroxyethylmethacrylate (HEMA) to NCO-terminated PU prepolymer. UV-reactive phosphazene monomer is derived from the HEMA substitution reaction to hexachlorocyclotriphosphazene (NPCl2)3. The curing reaction of this PU-coating system is carried out by UV irradiation. The resultant UV-cured PU-coated films demonstrated better performance properties than those of original UV-cured PU acrylate (UV-PU) without UV-reactive phosphazene monomer. Furthermore, their thermal properties are investigated by a thermogravimetric analyzer and a dynamic mechanical thermal analyzer, respectively. The combustion behaviors of these UV-cured PU-coated films are evaluated by the measurements of a limiting oxygen index and a cone calorimeter.
    Relation: Journal of Applied Polymer Science 85(9), pp.1980-1991
    DOI: 10.1002/app.10776
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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