Catalytic method for the preparation of lignin phenol surfactant

Details Catalytic method for the preparation of lignin phenol surfactant Catalytic method for the preparation of lignin phenol surfactant

1998-05-21

2000-08-08

Nutter, Nathan M.

Chemistry: natural resins or derivatives; peptides or proteins;

Lignins or derivatives

Compound which includes phenolic hydroxy or oxygen...

530506, C07G 100, C08L 9700

Patent

active

061003859

ABSTRACT:
A method of making surfactants from lignin is disclosed by reducing lignin in the presence of a metal oxide or iron based catalyst in an organic hydrogen donor solvent to produce lignin phenol and subjecting the lignin phenol to one or a combination of several reactions such as alkoxylation, alkylation, sulfonation, sulfation, alkoxysulfation, and sulfomethylation. The lignin surfactants so produced can be employed in a surfactant system to recover oil from underground formations.

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