Process for the preparation of partially etherified methylolmela

Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system

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C07D25170

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044080450

ABSTRACT:
Process for the preparation of monomeric methylolmelamine which is partially etherified with methanol or ethanol and which contains at least 4 moles of formaldehyde per mole of melamine, by reacting melamine, paraformaldehyde and methanol or ethanol in a single stage reaction, the molar ratio of melamine to formaldehyde to alcohol being 1:5 to 10:6 to 20, in a virtually anhydrous medium, under a nitrogen atmosphere, at a pH of 7 to 8 and a temperature from 50.degree. to 90.degree. C. and with a reaction time of from 3 to 30 hours.

REFERENCES:
patent: 2529856 (1950-11-01), West et al.
patent: 2715619 (1955-08-01), Suen
patent: 2918452 (1959-12-01), Kun et al.
patent: 3661819 (1972-05-01), Koral et al.
patent: 3679589 (1972-07-01), Schnegelberger et al.
patent: 3915973 (1975-10-01), Ribka et al.
patent: 4101520 (1978-07-01), Boldizar
patent: 4163835 (1979-08-01), Piesch
patent: 4223141 (1980-09-01), Honel et al.

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