“…9 As the spatial and temporal application of rays could easily be controlled, photo-responsive crosslinking drew wide attention. [10][11][12][13] Coumarin was a typical photo-responsive functional molecule, which was a [2 + 2] cycloaddition under an UV irradiation of 354 nm, while the photo-degradation reversed upon exposure to an UV light of 254 nm. Therefore, polymers which were crosslinked by coumarin could be reversible crosslinking functionalized.…”
“…9 As the spatial and temporal application of rays could easily be controlled, photo-responsive crosslinking drew wide attention. [10][11][12][13] Coumarin was a typical photo-responsive functional molecule, which was a [2 + 2] cycloaddition under an UV irradiation of 354 nm, while the photo-degradation reversed upon exposure to an UV light of 254 nm. Therefore, polymers which were crosslinked by coumarin could be reversible crosslinking functionalized.…”
MnO2 was widely utilized as vulcanizing agent for polysulfide sealing, however, it was difficult to flexibly adjust vulcanizing process with low cost. Herein, we successfully prepared the α-MnO2, γ-MnO2 and...
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