Firstly, the method of 13C-NMR and IR spectrum were used to evaluate the triad tacticity of PAN.The results showed that the result calculated by the method of 13C-NMR were near to the theoretic value.

• 首先，借助13C-NMR谱法和IR谱法对聚丙烯腈的立构规整度进行计算，结果表明用13C-NMR谱法所得的结果与实际值比较吻合。