Thermally Reversible Cross‐Linked Polyamides with High Toughness and Self‐Repairing Ability from Maleimide‐ and Furan‐Functionalized Aromatic Polyamides

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Published
2007-01-23
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  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/macp.200600445
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Wiley

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<jats:title>Abstract</jats:title><jats:p>Polyamides having various amounts of maleimide (PA‐MI) and furan (PA‐F) pendent groups, respectively, as well as their cross‐linked polymers (PA‐MI/PA‐F) were prepared. PA‐MI/PA‐F cross‐linked polymers showed thermally reversible cross‐linking behavior via Diels‐Alder (DA) and retro‐DA reactions. Cross‐linked PA‐MI/PA‐F films exhibited enhanced toughness and mechanical properties compared to PA‐MI and PA‐F precursors. Moreover, PA‐MI/PA‐F films also showed thermal self‐repairing behavior, which was observed in the micrographs and instron tests.</jats:p><jats:p><jats:boxed-text content-type="graphic" position="anchor"><jats:graphic xmlns:xlink="http://www.w3.org/1999/xlink" mimetype="image/gif" position="anchor" specific-use="enlarged-web-image" xlink:href="graphic/mgra001.gif"><jats:alt-text>magnified image</jats:alt-text></jats:graphic></jats:boxed-text> </jats:p>

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