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Multi-responsive wholly aromatic sulfonated polyamide ultra-sensitive to pH value

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Abstract

We demonstrated here a new family of multi-responsive polymer: wholly aromatic sulfonated polyamide (SPA). SPA exhibited the unusual response to temperature and pH with the tunable low critical solution temperature (LCST). LCST of the obtained SPA decreased sharply with the increasing pH, and the difference of LCST between pH 6.0–6.8 is about 60 °C.

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Authors and Affiliations

  1. School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composite, Shanghai Jiao Tong University, Shanghai, 200240, China

    Jing Zhao, HongJie Xu, XueSong Jiang & Jie Yin

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  1. Jing Zhao
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  2. HongJie Xu
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  3. XueSong Jiang
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  4. Jie Yin
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Correspondence to XueSong Jiang.

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Zhao, J., Xu, H., Jiang, X. et al. Multi-responsive wholly aromatic sulfonated polyamide ultra-sensitive to pH value. Sci. China Chem. 55, 2503–2506 (2012). https://doi.org/10.1007/s11426-012-4687-6

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  • DOI: https://doi.org/10.1007/s11426-012-4687-6

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