polyelectrolyte complex

Neutral polymer-polymer complex composed of macromolecules carrying charges of opposite sign causing the macromolecules to be bound together by electrostatic interactions.
Note:
A polyelectrolyte complex is also called a polysalt. Use of this term is not recommended.
Source:
PAC, 2006, 78, 2067 (Terminology of polymers containing ionizable or ionic groups and of polymers containing ions (IUPAC Recommendations 2006)) on page 2073