Manufacture of methacrylic acid and methyl methacrylate

Details Manufacture of methacrylic acid and methyl methacrylate Manufacture of methacrylic acid and methyl methacrylate

1977-03-25

1978-10-03

Thomas, Jr., James O.

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

Organic compounds

Carboxylic acid esters

560211, 562599, C07C 6952

Patent

active

041185889

ABSTRACT:
Methacrylic acid and methyl methacrylate are manufactured by reacting, respectively, propionic acid and methyl propionate with dimethoxymethane in the presence of catalysts based on phosphates and/or silicates of magnesium, calcium, aluminum, zirconium, thorium and/or titanium, and in the presence of from 0 to 0.5 mole of water per mole of the acetal.

REFERENCES:
patent: 3014958 (1961-12-01), Koch et al.

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