2021.09  博士生陈妍如的题为“Poly(1,5-pentylene-co-2,2,4,4-tetramethyl cyclobutylene terephthalate) copolyesters with high Tg and improved ductility and thermal stability.”的论文发表在Polymer 232, 124152 (2021)。该文合成了新型高透明高耐热共聚酯PPecBT，发现具有比PCcBT更好的聚合稳定性和热稳定性。