Synthesis and performance enhancement of novel polybenzoxazines with low surface free energy

Kai Chi Chen, Hsun Tien Li, Shu Chen Huang, Wen Bin Chen, Kien-Wen Sun, Feng Chih Chang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

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.

Original languageEnglish
Pages (from-to)1089-1096
Number of pages8
JournalPolymer International
Volume60
Issue number7
DOIs
StatePublished - 1 Jul 2011

Keywords

  • Benzoxazine
  • Siloxane-imide modification
  • Surface free energy
  • Thermal stability
  • UV stability
  • Weather resistance

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