Title: Synthesis and performance enhancement of novel polybenzoxazines with low surface free energy
Authors: Chen, Kai-Chi
Li, Hsun-Tien
Huang, Shu-Chen
Chen, Wen-Bin
Sun, Kien-Wen
Chang, Feng-Chih
Department of Applied Chemistry
Keywords: benzoxazine;siloxane-imide modification;surface free energy;thermal stability;UV stability;weather resistance
Issue Date: 1-Jul-2011
Abstract: A new siloxane-imide-containing benzoxazine, BZ-A6, has been successfully synthesized. The thermal properties of the polybenzoxazine (PBZ) prepared from BZ-A6 (PBZ-A6) are superior to those of conventional PBZs lacking siloxane groups. The normally brittle PBZs are toughened significantly as a result of adding siloxane-imide moieties. Moreover, the thermal and UV stabilities of the surface free energy of PBZ-A6 are dramatically improved over the conventional bisphenol-A-type PBZ. Siloxane-imide PBZs are more suitable for application as low-surface-free-energy materials that are highly resistant to temperature and UV radiation. PBZ-A6 may also be useful in weather-resistant and self-cleaning coating materials because of its low surface free energy and good thermal and UV resistance. (C) 2011 Society of Chemical Industry
URI: http://dx.doi.org/10.1002/pi.3046
ISSN: 0959-8103
DOI: 10.1002/pi.3046
Volume: 60
Issue: 7
Begin Page: 1089
End Page: 1096
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