Abstract
Deformation in the nanometer scales of photo-crosslinked poly(ethyl acrylate) (PEA) was in situ monitored by Mach-Zehnder interferometry (MZI). Upon irradiation with 365 nm, anthracene labeled on the PEA chains undergoes photodimerization, generating the PEA networks. The cross-link kinetics induced by different light intensities was monitored by using a UV-visible spectrometer. On the other hand, the deformation in the nanometer scales of the photocross-linked polymer was measured in situ by using a Mach-Zehnder interferometer (MZI) under the same experimental conditions. The aging data observed by ceasing irradiation at different stages of the photocuring process reveal a general relationship for the kinetics of aging under different cross-link densities.
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Van-Pham, DT., Sorioka, K., Norisuye, T. et al. Physical Aging of Photo-Crosslinked Poly(ethyl acrylate) Observed in the Nanometer Scales by Mach-Zehnder Interferometry. Polym J 41, 260–265 (2009). https://doi.org/10.1295/polymj.PJ2008202
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DOI: https://doi.org/10.1295/polymj.PJ2008202