reactive blending

Mixing process that is accompanied by the chemical reaction(s) of components of a polymer mixture.
  1. Examples of reactive blending are: (a) blending accompanied by the formation of a polymer-polymer complex, (b) the formation of block or graft copolymers by a combination of radicals formed by the mechano-chemical scission of polymers during blending.
  2. Reactive blending may also be carried out as reactive extrusion or reaction injection molding (RIM).
PAC, 2004, 76, 889 (Definitions of terms relating to reactions of polymers and to functional polymeric materials (IUPAC Recommendations 2003)) on page 894