Paired Mannich condensates of alkyl phenols

Details Paired Mannich condensates of alkyl phenols Paired Mannich condensates of alkyl phenols

1990-11-19

1992-03-31

Brust, Joseph P.

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

Organic compounds

Nitriles

564346, C07C21744, C07C25537

Patent

active

051010607

ABSTRACT:
Normally liquid final Mannich condensates prepared by reacting a para C.sub.1 -C.sub.15 alkyl phenol with formaldehyde and a first polyoxyalkylene diamine to form an intermediate Mannich condensate that is reacted with formaldehyde and a second polyoxyalkylene diamine to form a final Mannich condensate, the first and second polyoxyalkylene diamines having the formula: ##STR1## wherein R represents hydrogen or methyl and R' represents an alkyl group containing 1 to 4 carbon atoms or cyanoethyl group, and n represents positive numbers having a value of 1 to about 6, the final Mannich condensate having the formula: ##STR2## wherein X and Y are polyoxyalkylene amine groups derived from the first and second polyoxyalkylene diamines and formaldehyde.

REFERENCES:
patent: 1919301 (1933-07-01), Morton
patent: 2653977 (1953-09-01), Craig et al.
patent: 4714750 (1987-12-01), Grigsby, Jr. et al.
patent: 4927912 (1990-05-01), Speranza et al.

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