CN102617352A - Method for preparing dioctyl terephthalate
The invention relates to a method for preparing plasticizer dioctyl terephthalate (DOTP) from polyethylene glycol terephthalate (PET) waste plastics through alcoholysis and belongs to the...
CN102603532A - Method for preparing plasticizer terephthalate by
A method for preparing plasticizer terephthalate by catalyzing waste polyester PET alcoholysis reaction is characterized in that alkyl sulfonic acid is adopted for functionalization Formed by acidic quaternary ammonium salt cations and Lewis acidic inorganic anions Using the dual-acid ionic liquid as a catalyst, and adding the dual-acid ionic liquid into waste PET structural units and C 2 ～C
Method for preparing terephthalic acid ester plasticizer with
The method uses the terephthalic acid as a raw material to prepare the terephthalic acid ester plasticizer under the condition of pressurization. The variety of the raw material is not strictly...
METHOD FOR PREPARING TEREPHTHALATE-BASED COMPOSITION, COMPRISING
[0003] Phthalate-based plasticizers account for 92% of the world plasticizer market (see Mustafizur Rahman and Christopher S. Brazel "The plasticizer market: an assessment of traditional plasticizers and research trends to meet new challenges" Progress in Polymer Science 2004, 29, 1223-1248), are additives mainly used for improving processability
Method for preparing plasticity agent containing quantitative dioctyl
Method for preparing plasticity agent containing quantitative dioctyl terephthalate YONG LI
