Tyrosine derived cyclic peptide (TCP) was employed to promote the curing reaction of a phthalonitrile monomer 1,3-bis(3,4-dicyanophenoxy) (3BOCN). Differential scanning calorimetry (DSC) and rheological analysis were used to study the curing behaviors of the TCP/3BOCN blend and confirmed a relatively high curing efficiency. Fourier transform infrared spectrometer (FT-IR) and two-dimensional infrared vibrational echo spectroscopy suggested the cyclic peptide reactive site was responsible for the unique curing behavior. Isoindolin, phthalocyanine and triazine were confirmed as curing products. Thermogravimetric analysis (TGA) and dynamic mechanical analysis (DMA) were used to measure the thermal and thermomechanical properties of the cured resin. The results firstly revealed the excellent thermal stability and high glass transition temperature (T_g) of this resin even under a moderate post-curing condition.

酪氨酸衍生的环肽（TCP）用于促进邻苯二甲腈单体1,3-双（3,4-二氰基苯氧基）（3BOCN）的固化反应。差示扫描量热法（DSC）和流变分析被用于研究TCP / 3BOCN共混物的固化行为，并证实了较高的固化效率。傅立叶变换红外光谱仪（FT-IR）和二维红外振动回波光谱表明，环状肽的反应位点是独特的固化行为的原因。已确认异吲哚啉，酞菁和三嗪为固化产物。使用热重分析（TGA）和动态力学分析（DMA）来测量固化树脂的热和热机械性能。结果首先显示了优异的热稳定性和高玻璃化转变温度（T_g）即使在适度的后固化条件下该树脂。