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Issue 62, 2020
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High-temperature resistant water-soluble polymers derived from exotic amino acids

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Abstract

High-performance water-soluble polymers have a wide range of applications from engineering materials to biomedical plastics. However, existing materials are either natural polymers that lack high thermostability or rigid synthetic polymers. Therefore, we design an amino acid-derived building block, 4,4′-diamino-α-truxillate dianion (4ATA2−), that induces water solubility in high-performance polymers. Polyimides containing 4ATA2− units are intrinsically water-soluble and are processed into films cast from an aqueous solution. The resulting polyimide films exhibit exceptional transparency and extremely high thermal stability. In addition, the films can be made insoluble in water by simple post-treatment using weak acid or multivalent metal ions such as calcium. The synthesized polyimide's derived from bio-based resources are useful for yielding waterborne polymeric high-performance applications.

Graphical abstract: High-temperature resistant water-soluble polymers derived from exotic amino acids

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Supplementary files

Article information


Submitted
31 Jul 2020
Accepted
09 Oct 2020
First published
15 Oct 2020

This article is Open Access

RSC Adv., 2020,10, 38069-38074
Article type
Paper

High-temperature resistant water-soluble polymers derived from exotic amino acids

S. Dwivedi, A. Nag, S. Sakamoto, Y. Funahashi, T. Harimoto, K. Takada and T. Kaneko, RSC Adv., 2020, 10, 38069
DOI: 10.1039/D0RA06620F

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