green eco-friendly Tereftalato (DOTP Dioctyl

  • green eco-friendly Tereftalato (DOTP Dioctyl
  • green eco-friendly Tereftalato (DOTP Dioctyl
  • green eco-friendly Tereftalato (DOTP Dioctyl
  • What is Dioctyl terephthalate?
  • Dioctyl terephthalate (DOTP) is a new kind of green and non-toxic plasticizer. The traditional process to prepare DOTP is costly and complicated, thus it is very necessary to find an efficient and environmentally-friendly way to obtain DOTP. In this study, we prepared DOTP from the alcoholysis of polyethylen
  • How to optimize the production process of Dioctyl terephthalate (DOTP)?
  • As a green plasticizer, the industrial production of dioctyl terephthalate (DOTP) is still facing the problem of high energy consumption. To optimize the production process and reactor, it is essential to understand the kinetic behavior of reaction system.
  • How to prepare DOTP from the alcoholysis of polyethylene terephthalate (PET)?
  • In this study, we prepared DOTP from the alcoholysis of polyethylene terephthalate (PET) by using 2-ethyl-1-hexanol (2-EH) as the solvent, and used choline chloride-based deep eutectic solvents (ChCl-based DESs) as the catalysts due to their cheapness, low toxicity and ease of preparation.
  • Can CHCl-based des be used to prepare DOTP under mild conditions?
  • This work confirmed that ChCl-based DESs are favorable for the degradation of PET to prepare DOTP under mild conditions, which can also be used for other polymer degradation strategies. Dioctyl terephthalate (DOTP) is a new kind of green and non-toxic plasticizer.
  • What is the molar ratio of pet vs DOTP?
  • Under the optimized conditions (ChCl/Zn (Ac) 2 1 : 1, 5 wt%, 180 °C, 60 min, PET : 2-EH 1 : 5 molar ratio), the conversion of PET and the yield of DOTP were 100% and 84.7%, respectively. Furthermore, the possible mechanism was proposed through density functional theory (DFT) calculations and experimental results.
  • Can RPET be converted into lycopene?
  • In combination with highly efficient alkaline hydrolysis, we developed a hybrid upcycling strategy for converting PET into lycopene—a potential platform chemical with a wide variety of applications—by using alkaline hydrolysis of PET and the microbial chassis Rhodococcus jostii strain PET (hereafter RPET) (Figure 1).

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