UW-Madison polymer processing (EPD650): lesson 6, part 1.

The introduction to lesson 6 features the multi-layer film extrusion process. This is discussed both in the light of multiple functional layers (for example, protective packaging for perishable foods) and a die design that splits and recombines multilayer film to increase the number of layers. A video of multilayer film extrusion can be found here:    • Mono and Multi-Layer T-Die Cast Film Extru...