Process that results in the formation of a polymer–polymer complex or a complex composed of a polymer and a low-molar-mass substance.
Source:
PAC, 2004, 76, 889. 'Definitions of terms relating to reactions of polymers and to functional polymeric materials (IUPAC Recommendations 2003)' on page 893 (https://doi.org/10.1351/pac200476040889)