Cross-linking of cellulose fibres. A model study using dimethylol ethylene urea (DMEU)

T. Stuart, A. Crangle, R. Wilson, D. Stewart

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    The process of fibre-fibre cross-linking during the textile process, curing, has been studied using a model fibre/cross-linking system, filter paper and dimethylol ethylene urea (DMEU). Interaction between the fibres and DMEU was investigated using differential scanning calorimetry (DSC), Diffuse reflectance Fourier-transform infrared (DRIFT) and Raman spectroscopies. DSC studies revealed that treatment with DMEU in the absence of catalyst resulted in a cross-linking reaction that produced a very diffuse endothennic curve with an onset at 80° and peaking at 165°. Also evident at higher (commercial flash) temperature were endotherms representing hydrolysis and decomposition of DMEU. The addition of a magnesium chloride catalyst to this system produced complex spectra but largely resulted in a shift of the curing-associated endotherm to a lower temperature. Analysis of the DRIFT spectra revealed that the cross-linking reaction did not require prolonged reaction times and that its was the superficial and amorphous cellulose regions that were associated with cross-linking. This was confirmed by cellulase digestion studies.
    © Academiei Române, Bucaresti,
    Original languageEnglish
    Pages (from-to)545-557
    Number of pages13
    JournalCellulose Chemistry and Technology
    Issue number5-6
    Publication statusPublished - 2001


    • biological properties
    • experimental study
    • enzymatic digestion
    • biodegradability
    • crosslinked polymer
    • nitrogen heterocycle
    • diol
    • ureas
    • crosslinking
    • chemical reactivity
    • cellulose
    • textile finishing
    • natural fiber
    • textile fiber


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