Retanning and fatliquoring agent
AssigneeDiamond Shamrock Corporation
InventorsStanley A. Lipowski, Joseph W. Dehn, Jr., Clinton E. Retzsch
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Abstract
Sulfonated resins useful as retanning and fatliquoring agents are obtained by sulfonation of a condensation product of (a) one mole of a hydroxy aromatic component, (b) from about 0.05 to 1.5 mole of an unsaturated oil and (c) about 0.4 to about 1.0 mole of a formaldehyde liberating composition. The hydroxy aromatic component may be phenol, a lower alkyl phenol having at least one reactive hydrogen in the 2-,4- or 6-position on the aromatic ring or a mixture thereof. The unsaturated oil may be castor oil or moellon. The formaldehyde liberating composition may be formaldehyde or a composition capable of producing formaldehyde.
Claims22
A retanning and fatliquoring agent comprising a sulfonated condensation product of
- (a) one mole of a hydroxy component selected from the group consisting of phenol and a lower alkyl phenol having at least one alkyl of from one to two carbon atoms and at least one reactive hydrogen in the 2-, 4- or 6-position of the alkyl phenol,
- (b) from about 0.05 to about 1.5 mole of an unsaturated oil having an iodine value of over 60, and
- (c) from about 0.4 to about 1.0 mole of a formaldehyde liberating composition wherein the SO.sub.3 content of the sulfonated condensation product is from about 0.3 to about 1.5 mole of SO.sub.3 per mole of hydroxy component.
Dependencies are inferred from the claim text.