<?xml version="1.0" encoding="UTF-8"?>
<term>
  <id>09008</id>
  <title>rare-earth-metal-mediated coordination-addition polymerization</title>
  <longtitle>IUPAC Gold Book - rare-earth-metal-mediated coordination-addition polymerization</longtitle>
  <doi>10.1351/goldbook.09008</doi>
  <code>09008</code>
  <status>current</status>
  <synonym><em>synonyms</em>: lanthanide-mediated group-transfer polymerization, rare-earth-metal-mediated coordination polymerization, rare-earth-metal-mediated group-transfer polymerization</synonym>
  <definitions>
    <item>
      <id>1</id>
      <text>Coordination-addition polymerization with propagation occurring within the coordination sphere of a rare-earth metal complex.</text>
      <notes>
        <item>The process may also involve non-rare-earth metal complexes with a sufficiently large coordination sphere (e.g., zirconium).</item>
      </notes>
      <sources>
        <item>PAC, 2022, 94, 1093. 'Terminology for chain polymerization (IUPAC Recommendations 2021)' on page 1139 (https://doi.org/10.1515/pac-2020-1211)</item>
      </sources>
    </item>
  </definitions>
  <altoutputs>
    <html>https://goldbook.iupac.org/terms/view/09008/html</html>
    <json>https://goldbook.iupac.org/terms/view/09008/json</json>
    <plain>https://goldbook.iupac.org/terms/view/09008/plain</plain>
  </altoutputs>
  <citation>Citation: 'rare-earth-metal-mediated coordination-addition polymerization' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.09008</citation>
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  <disclaimer>The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.</disclaimer>
  <accessed>2026-06-22T02:35:48+00:00</accessed>
</term>
