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Reinforcement of polyamide 6/66 with a 9,9′-bis(aryl)fluorene-modified cellulose nanofiber

Abstract

We synthesized cellulose nanofiber (CNF) modified with 9,9′-bis(aryl)fluorene, which has cardo moieties (BCNF), and evaluated the properties of its polyamide 6/66 (PA) composites. As a result, it was revealed that BCNF was well dispersed in PA and had a strong reinforcing effect—even in a temperature range above the glass transition temperature—compared with unmodified CNF due to the high interface affinity between BCNF and PA.

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Acknowledgements

We thank Sarah Dodds, Ph.D., from the Edanz Group (www.edanzediting.com/ac) for editing a draft of this manuscript.

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Correspondence to Masayuki Sugimoto.

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Sugimoto, M., Yamada, M., Sato, H. et al. Reinforcement of polyamide 6/66 with a 9,9′-bis(aryl)fluorene-modified cellulose nanofiber. Polym J 51, 1189–1195 (2019). https://doi.org/10.1038/s41428-019-0238-8

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