SCHEDULED MAINTENANCE
Effect of hydrogen bonds on the modulus of bulk polybenzoxazines in the glassy state
Abstract
In this paper, the critical role of hydrogen bonds on the modulus of bulk polybenzoxazines in the glassy state was proved through introducing an additional hydrogen bond, C![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
O⋯HO, into the polybenzoxazine. Thorough studies were carried out to resolve the different modulus behaviors of polybenzoxazines with and without this additional hydrogen bond as the temperature increases. With the aid of dynamic mechanical analysis and in situ O⋯HO and, therefore, revealed that the hydrogen bonds played a crucial role on the modulus of bulk polybenzoxazines in the glassy state. We believe this improved insight into the roles of hydrogen bonds is expected to help researchers explore novel polybenzoxazine resins with excellent thermal and mechanical properties.
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