Related Keywords: copolyesters, enzymes, polyester, polyethylene terephthalate, polymerization, polymerize, polymers, properties of PET
Enzymes - 'Furans are mainly produced with enzymes. But for the polymerization, the same processes are used as have been used for PET production for the last 70 years', says Prof. Katja Loos. Toxic metal-based catalysts and high temperatures that are needed for this process mean that it is not very environmentally friendly.