GC. The monomers were polymerized via ring opening polymerization by heating as shown by FT-IR (disappearance of the peak due to the oxazine ring at 933 cm−1). Differential scanning calorimetric (DSC) analysis of the monomers shows a wide range of processability between 77 and 122 °C. Thermal properties of the furfurylamine based polybenzoxazine (BGF-FPbz) and stearylamine based polybenzoxazine (BGF-SPbz)
近年来,bisguaiacol F(BGF)被认为是
双酚A(
BPA)的绿色替代品。本工作涉及BGF和基于BGF的苯并恶嗪的合成。,双[(3-(
呋喃-2-基)甲基)-3,4-二氢-2 H苯并嗪-6-基]
甲烷和双[(3-
十八烷基)-3,4-二氢-2 H苯并嗪- 6-基]
甲烷,作为
BPA和
BPA衍生的聚苯并恶嗪的替代物。采用无溶剂方法合成BGF和苯并恶嗪单体。BFT的结构和纯度通过FT-IR,NMR(1 H和13 C),MS和GC确认。单体通过如FT-IR所示,通过加热进行开环聚合(由于在933cm -1处的恶嗪环而导致的峰消失)。单体的差示扫描量热法(
DSC)分析显示,在77至122°C之间有很宽的加工性能。通过热重分析(TGA)研究了基于
糠胺的聚苯并恶嗪(BGF-FPbz)和基于
硬脂胺的聚苯并恶嗪(BGF-
SPbz)的热性能。结果表明,与BGF-
SPbz相比,BGF-FPbz显示出最大的热稳