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The alcoholysis of poly(ethylene terephthalate) (PET) to produce dioctyl terephthalate (DOTP) was studied using sub- and super-critical isooctyl alcohol (2-EH). In situ transformation of PET in 2-EH up to 643K was observed with hydrothermal diamond anvil cell (HDAC). The result shows that PET begins to melt at about 513K, and then quickly degrades to dissolve in 2-EH. But with longer time and higher...
The widely use of PET (poly(ethyleneterephthalate)) results in that resource recovery of waste PET is urgent and its hydrolysis in high temperature water to produce terephthalic acid (TPA) and ethylene glycol (EG) is a very important method. Hydrothermal diamond anvil cell (HDAC) was used to in situ observe transformation of PET in water up to 240°C. The result shows that PET melts at 217°C, and then...
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