Journal
POLYMER INTERNATIONAL
Volume 52, Issue 8, Pages 1246-1248Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/pi.1051
Keywords
IPNs; polyurethane; polybenzoxazine; hydrogen bonding; morphology
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Sequential interpenetrating polymer networks (IPNs), based on polyurethane and polybenzoxazine, were synthesized. Fourier Transform infrared spectrometry was employed to monitor the formation kinetics, which indicated that only physical bonding existed in the resulting IPNs. Morphological investigations revealed a lightly phase separation behaviour in all of the IPNs studied. (C) 2003 Society of Chemical Industry.
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