Process for preparing glycol dimethyl ethers

Details Process for preparing glycol dimethyl ethers Process for preparing glycol dimethyl ethers

1975-07-14

1976-08-03

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260615B, 252454, 252455R, 252459, C07C 4100

Patent

active

039729494

ABSTRACT:
Glycol dimethyl ethers of the formula CH.sub.3 O(CH.sub.2 CH.sub.2 O).sub.n CH.sub.3, wherein n is an integer of from 1 to 8 are prepared by reacting the corresponding glycol monomethyl ether formal with hydrogen under a pressure of 30 to 300 bars and at a temperature of 50.degree. to 250.degree.C in the presence of catalysts comprising silicon dioxide and aluminium oxide or oxides of rare earths or mixtures thereof and containing additionally nickel, cobalt and copper.

REFERENCES:
patent: 2397514 (1946-04-01), Stalt

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