Continuous preparation of glyoxal

Details Continuous preparation of glyoxal Continuous preparation of glyoxal

1980-05-27

1985-04-16

Lone, Werren B.

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

Organic compounds

Oxygen containing

568471, C07C 47127

Patent

active

045117390

ABSTRACT:
Glyoxal is prepared by oxidizing glycol in the presence of a silver catalyst, with subsequent or partial condensation of glycol, glyoxal, glycol aldehyde, formaldehyde and/or water by treatment with water or aqueous glyoxal solution in fine dispersion, under specific conditions with regard to the temperature and dispersion of the treatment liquid.
The glyoxal which can be prepared by the process of the invention is a wrinkle-resist agent, an assistant for increasing the tear strength and elasticity of fiber materials, a tanning agent, a photographic hardener and a valuable starting material for the production of synthetic resins, textile assistants, paper assistants and plastics.

REFERENCES:
patent: 3948997 (1976-04-01), Hoew et al.
Bohmfalf et al., "Ind. and Eng. Chem.", vol. 43, (1951), pp. 786-794.
Foerst, "Ullmanns Encyklopadie der Technischen Chemie", vol. 8, pp. 250-252, (1957).

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