公开(公告)号：US20200010399A1

公开(公告)日：2020-01-09

申请号：US16493034

申请日：2018-03-15

Applicant: SABIC Global Technologies B.V.

Inventor： Ritesh Nandy ,  Vishal Patrick ,  Edward Joseph Nesakumar

IPC: C07C67/08

Abstract: A method for the manufacture of a diester of terephthalic acid includes reacting terephthalic acid and a C6-18 alkyl monohydric alcohol in the presence of a catalyst having the formula MO[CH3COCH═C(0-)CH3]2 wherein M=Ti, Zr, or Hf, under conditions effective to form a reaction mixture comprising the di(C6-18 alkyl) terephthalate.

公开(公告)号：US20190292126A1

公开(公告)日：2019-09-26

申请号：US16302446

申请日：2017-05-23

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Ritesh Nandy ,  Vishal Patrick ,  Edward Joseph Nesakumar

IPC: C07C67/08 ,  C07C63/331

Abstract: A method of making alkyl tribenzanoates includes combining a phenyl tricarboxylic acid or chemical equivalent thereof with greater than or equal to 3.5 molar equivalents of a C4-C18 alkyl alcohol, based on the amount of phenyl tricarboxylic acid or chemical equivalent thereof, in the presence of 0.05 to 0.20 mol % of a titanium tetra-alkoxide catalyst, based on the total moles of phenyl tricarboxylic acid or chemical equivalent, at a temperature greater than 210° C. to form a reaction mixture having an acid value less than or equal to 0.5 as determined according to ASTM D1045.