Process for the manufacture of phenol-isobutyraldehyde condensat

Details Process for the manufacture of phenol-isobutyraldehyde condensat Process for the manufacture of phenol-isobutyraldehyde condensat

1981-10-06

1983-07-26

Schain, Howard E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528139, 528143, 528144, 528147, 528165, C08G 804

Patent

active

043955355

ABSTRACT:
A process for the manufacture of condensation products of phenols and isobutyraldehyde by reacting the phenols and isobutyraldehyde at elevated temperature in a mole ratio of 0.5:1 to 1.5:1 in the presence of acid or compounds hydrolyzable to acids as catalysts, subsequent neutralization and removal of the resultant reaction water by distillation wherein the reaction products obtained in this manner are also subjected to a water-vapor distillation.

REFERENCES:
patent: 2176951 (1939-10-01), Bannister
patent: 2231860 (1941-02-01), Swallen
patent: 2364192 (1944-12-01), Charlton et al.
patent: 3501552 (1970-03-01), Robins
patent: 4276209 (1981-06-01), Petersen et al.

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