text: Interpolymer complexes (IPC) are the products of non-covalent interactions between complementary unlike macromolecules in solutions. There are foiur types of these complexes:
  * Interpolyelectrolyte complexes (IPEC) or polyelectrolyte complexes (PEC)
  * Hydrogen-bonded interpolymer complexes
  * Stereocomplexes
  * Charge-transfer complexes