The results obtained from the determination of sequence structure of copolyamide of HDA-PPD-TPC showed that the method can be used for copolycondensation polymers with overlapping peak NMR spectra.

• 该法在HDA-PPD-TPC三元共聚酰胺体系序列结构研究中应用，证明具有较好的适应性和准确性。