Method for preparation of dimethyl terephthalate

Details Method for preparation of dimethyl terephthalate Method for preparation of dimethyl terephthalate

1975-06-20

1977-02-22

Myers, Jane S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 6982

Patent

active

040091996

ABSTRACT:
Silica gel esterification catalysts which are mechanically stable and are highly abrasion free, particularly suitable for the esterification of dimethyl terephthalate, are prepared by impregnating silica gel in solutions of aluminum, titanium, zinc and tin compounds, separating the excess solutions and drying at elevated temperatures. The catalysts are further improved by treatment with a gaseous mixture of methanol and water.

REFERENCES:
patent: 3617226 (1971-11-01), List et al.
patent: 3940431 (1976-02-01), Wulf et al.

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