Reactive and conventional processing of polymers

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Extrusion is a very important polymer processing operation. Conventional extrusion involves melting, homogenizing and shaping of polymeric materials into continuous final plastic products such as films and fibres. Reactive extrusion combines the previously mentioned operations with reaction(s) in the molten polymer for the purpose of producing new materials with enhanced properties. Typical applications involve reactive blending, addition of functional groups on otherwise inert polymers, and modification of molecular weight and structure. Each operation is governed by underlying interactions between material properties and processing conditions. The main thrust in the proposed research program is the fundamental understanding of these interactions in industrially important reactive and conventional polymer processing operations.