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Polymer Processing Demonstrations Using PET Bottles

2019; American Chemical Society; Volume: 96; Issue: 8 Linguagem: Inglês

10.1021/acs.jchemed.8b00890

1938-1328

Alfredo Luis M. L. Mateus,

Manufacturing Process and Optimization

Polyethylene terephthalate (PET) bottles are readily available materials that can be used in a series of demonstrations highlighting the technological aspects of their production. The Make Your Own Bottle demonstration shows a simplified version of the blow stretch mold process used in industry. The Plastics Don't Forget and Making Spirals demonstrations allow for discussions about polymeric glass transition and what happens to the plastic after stretching and cooling.