Interfacial modification of bio-based polymers through reactive extrusion technologies

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The use of renewable resources is currently an important driver in the development of novel polymeric materials for commodity uses. The proposed program will focus specifically on the development of blends, foams and multilayer assemblies of different biobased plastics. Modern packaging typically incorporates different materials that act synergistically to give the final product a balance of properties in terms of mechanical properties, gas barrier, product appearance, etc. This involves adhesives and complex interfacial modification strategies to bond materials together. These technologies are to be reinvented in great part for the emerging biobased materials. Therefore, this program will focus on reactive extrusion to develop biobased adhesives or in situ strategies to compatibilize alloys or multilayer assemblies of different biobased materials. The long-term benefits for society of biobased packaging will be the use of lower energy and GHG emission processes, the use of biodegradable materials in applications suitable for composting and a lower dependence on petroleum byproducts.