Organotitanium compositions useful for cross-linking

Details Organotitanium compositions useful for cross-linking Organotitanium compositions useful for cross-linking

1989-08-10

1991-06-04

Stoll, Robert L.

Compositions

Leather or fur treating

166308, E21B 4326

Patent

active

050211714

ABSTRACT:
A process which comprises (A) combining (i) glycerol, erythritol, arabitol, xylitol, sorbitol, dulcitol, mannitol, inositol, a monosaccharide, or a disaccharide, (ii) water and (iii) lactic acid, glycolic acid, malic acid, citric acid, tartaric acid, saccharic acid, gluconic acid, glyceric acid or mandelic acid to provide an aqueous solution of the polyol and the .alpha.-hydroxy carboxylic acid, and (B) then at an alkaline pH of 10 or less reacting the solution with a tetravalent titanium compound of an inorganic acid at an .alpha.-hydroxy carboxylic acid:titanium mol ratio between about 0.5:1 and about 4:1 and a polyol:titanium mol ratio between about 0.25:1 and about 2:1.

REFERENCES:
patent: 4369124 (1983-01-01), Elphingstone et al.
patent: 4464270 (1984-08-01), Hollenbeak et al.
patent: 4470915 (1984-09-01), Conway
patent: 4502967 (1985-03-01), Conway
patent: 4609479 (1986-09-01), Smeltz
patent: 4749040 (1988-06-01), Hodge
patent: 4953621 (1990-09-01), Putzig et al.

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