Esterification process using a catalyst consisting of sand, stan

Details Esterification process using a catalyst consisting of sand, stan Esterification process using a catalyst consisting of sand, stan

1995-07-31

1996-11-05

Barts, Samuel

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 99, 554121, 554170, C07C 6700

Patent

active

055719384

ABSTRACT:
The present invention provides for an esterification process comprising a catalyst source of stannous tin and an alkali metal aluminate. In one preferred embodiment the catalyst comprises about 92 parts sand, about 5 parts stannous oxalate, and about 3 parts of a sodium aluminate, by weight, dry basis. This catalyst is particularly useful in making phthalates, adipates, sebacates and azelates which esters are chiefly used plasticizers.

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patent: 5137863 (1992-08-01), Matsuura et al.
patent: 5462906 (1995-10-01), Jakubowycz

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