Abstract
A series of miscible cellulose ester/poly (vinyl phenol) (CE/PVP) blends containing a latent formaldehyde source were prepared. Due to the low molecular weight of the PVP, the maximum PVP content ID the films was 50 wt %. The blends were then thermally cross-linked ID an attempt to create semi-interpenetrating polymer networks (semi-IPN). The blends were characterized with differential scanning calorimetry, swelling experiments, pyrolysis molecular beam mass spectrometry (py-MBMS), and Fourier transform infrared (FTIR) spectroscopy. The results from the swelling experiments, py-MBMS and FTIR showed that the PVP component did react with the formation of methylene bridges. Blends that contained 50% PVP and high levels of formaldehyde formed semi-IPN structures.
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Gaibler, D.W., Rochefort, W.E., Wilson, J.B. et al. Blends of cellulose ester/phenolic polymers – chemical and thermal properties of blends with polyvinyl phenol. Cellulose 11, 225–237 (2004). https://doi.org/10.1023/B:CELL.0000025425.00668.de
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DOI: https://doi.org/10.1023/B:CELL.0000025425.00668.de