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A Study on Hydrogen-Bonded Network Structure of Polybenzoxazines

Kim, Ho-Dong, Ishida, Hatsuo·2002·The Journal of Physical Chemistry A

Abstract

The hydrogen-bonded network structure for polybenzoxazines is investigated by Fourier Transform Infrared Spectroscopy (FT-IR) with model dimer systems. Comparing the FT-IR spectra of the polybenzoxazines and model dimers, it is shown that the simpler structures of asymmetric dimers well simulate the hydrogen-bonded network structure between polymer chains while the structures of symmetric dimers reflect the hydrogen bonding scheme related to the end-groups of polymer chains. It is confirmed that the amine functional group in the Mannich bridge is greatly responsible for the distribution of hydrogen bonding species. Bisphenol A/methylamine-based polymer (BA-m) mainly consists of −OH···N intramolecular hydrogen bonding while bisphenol A/aniline-based polymer (BA-a) has a large amount of intermolecular hydrogen bonding and relatively weak hydrogen bonding groups in the polymer network structure. The possible network structure, in the sense of hydrogen bonding, for BA-m and BA-a polymers is proposed and a generalized explanation for the structure−property relationships in polybenzoxazines is also discussed.

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Authors
Kim, H.-D., & Ishida, H.
Venue
The Journal of Physical Chemistry A
Published
2001-06-07
Volume
106
Issue
14
Pages
3271-3280
ISSN
  • 1089-5639 (ISSN-L)
  • 1520-5215
OpenAlex
W1989574565
Cited by
232
References
0
FWCI
1.14
Type
journal article
Language
en
Open access
closed

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