Patent ID: 11873278
Assignee: NAN YA PLASTICS CORPORATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A method for preparing a plasticizer of modified di-2-ethylhexyl terephthalate, comprising performing a synthesis operation of adding isobutanol as a short chain alcohol component and 911 alcohol as a long chain alcohol component in an esterification reaction of terephthalic acid with 2-ethylhexanol, so as to obtain a crude ester product including the modified di-2-ethylhexyl terephthalate;
wherein the modified di-2-ethylhexyl terephthalate includes residues derived from the short chain alcohol component and the long chain alcohol component;
wherein the synthesis operation is carried out under a temperature from 30° C. to 225° C. and a pressure from 80 mbar to 1033 mbar.