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Anthracene-based polyurethane networks: Tunable thermal degradation, photochemical cure and stress-relaxation

Van Damme J., van den Berg O., Vlaminck L., Brancart J., Van Assche G. and Du Prez F.Anthracene-based polyurethane networks: Tunable thermal degradation, photochemical cure and stress-relaxation,European Polymer Journal,205: 412-420,2018 (Augustus).

doi: j.eurpolymj.2018.06.018

Anthracene dimer diols having very different thermal stabilities have been incorporated in polyurethane networks. The thermal de-crosslinking of these networks was shown to be dependent on the anthracene dimer used, allowing tunable thermal degradation. This scission was studied using (HR-MAS) NMR, DSC and rheometry. The tunable thermal decrosslinking was validated as a technique to easily remove the coatings at their end-of-life. The UV irradiation of the thermally degraded materials allows for recuring the coatings to materials having similar properties. By simultaneous irradiation and heating of (partially) reversibly cross-linked networks, the networks were able to relief internal stress and adopt a new permanent shape.

BibTeX

@article{,
    author  = "Van Damme, J.; van den Berg, O.; Vlaminck, L.; Brancart, J.; Van Assche, G.; Du Prez, F.",
    title   = "Anthracene-based polyurethane networks: Tunable thermal degradation, photochemical cure and stress-relaxation",
    journal = "European Polymer Journal",
    year    = "2018",
    volume  = "205",
    number  = "",
    pages   = "412-420",
    month   = "Augustus",
    doi     = "j.eurpolymj.2018.06.018",
    note    = "",
}