2Pandya M V, Mahesh Subramaniyam, Desai M R. Synthesis and characterization of nylon 6 triblock copolymer using new hybrid soft segment [J]. Eur Polym J 1997, 33:789-794.
3Petrov P, Mateva R, Dimitrov R, et al. Structure and thermol behavior of nylon 6/polytetrahydrofuran triblock copolymers obtained via anionic polymerization [J]. J.Appl Polym Sci. 2002, 84:1448-1456.