Retanning and fatliquoring agent

Details Retanning and fatliquoring agent Retanning and fatliquoring agent

1976-04-15

1978-02-21

Kight, III, John

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 9421, 8 9423, 8 9424, C14C 320, C14C 902

Patent

active

040749681

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.

REFERENCES:
patent: 3512918 (1970-05-01), Endres et al.
patent: 3650666 (1972-03-01), Shimizu et al.
patent: 3973904 (1976-08-01), Endres et al.
patent: 3988247 (1976-10-01), Dieckelmann et al.

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