Polyethylene terephthalate (PET) resin is sold as virgin material for soft drink bottles and other consumer products. After their use, most PET bottles are discarded as waste. PET scrap is a good sourrce of terephthalic acid (TPA), a fossil-based raw material used in the manufacture of many polyesters, such as polybutylene terephthalate (PBT).
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Thursday, February 25, 2010
Upcycling PET resin to PBT, making ETPs in a sustainable way
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