propagating species

in a chain polymerization

synonyms: active macromolecule (in RDP), active polymer chain, growing chain

https://doi.org/10.1351/goldbook.08966

Active species formed by addition to monomer that is capable of adding further monomer.

Note:
The propagating species are chain carriers in chain polymerization.

Source:
PAC, 2022, 94, 1093. 'Terminology for chain polymerization (IUPAC Recommendations 2021)' on page 1124 (https://doi.org/10.1515/pac-2020-1211)