Abstract
Block copolymers consisting of poly(cyclohexylmaleimide) (PCHMI) and polyamide 6 (PA6) were synthesized and thermal properties were measured. Carboxyl group-terminated PCHMIs initiated by 4,4′-azobis-4-cyanopentanonic acid (ACPA) under several conditions had different Tgs, depending on the molecular weight of PCHMI. Copolymers consisting of PA6 and PCHMI were prepared by melt-polymerization of ε-caprolactam, 6-aminocapronic acid and PCHMI. The copolymers contained ABA and AB judging from 1H NMR and reduced viscosity measurements. Tgs of the copolymers were independent of Tg of the original PCHMI, and increased with PCHMI content in the copolymers.
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Hirano, T., Onimura, K., Tsutsumi, H. et al. Synthesis and Thermal Properties of Polyamide 6-block-Poly(cyclohexylmaleimide). Polym J 31, 500–505 (1999). https://doi.org/10.1295/polymj.31.500
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DOI: https://doi.org/10.1295/polymj.31.500