Effect of Aliphatic Chain Length of Bio-based Amines on The Molecular Structure, Curing Mechanism, and Rheological Properties of Cardanol-based PolybenzoxazineDini Harsanti, Anne Zulfia Syahrial and Yudi Nugraha ThahaE3S Web Conf., 655 (2025) 03006DOI: https://doi.org/10.1051/e3sconf/202565503006