Silica sols for obtaining a hide which is called a stabilized pi

Details Silica sols for obtaining a hide which is called a stabilized pi Silica sols for obtaining a hide which is called a stabilized pi

1994-06-03

1996-01-02

Willis, Jr., Prince

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Treatment of untanned skins or hides

8 9415, 8 9426, 8 9427, 8 9433, 8 9421, 252 857, C14C 100, C14C 306, C14C 900

Patent

active

054804566

ABSTRACT:
Use of an aqueous silica sol for obtaining a stabilized pickled white or a stabilized white from a hide, in particular by treatment of a hide at a pH between 1 and 8, at ambient temperature, in an aqueous or brine bath with a density between 1.014 and 1.09, with an aqueous silica sol containing by weight 10 to 50% silica in the form of discrete particles, not linked together by siloxane bonds and having an average diameter between 3 and 100 nm, and process for obtaining a pickled white.

REFERENCES:
patent: 2276315 (1942-03-01), Kirk
patent: 4978361 (1990-12-01), Fuchs et al.
patent: 5147693 (1992-09-01), Communal et al.
patent: 5215542 (1993-06-01), Pore
Sharphouse, Leatherworker's Handbook, Vernon Lock Ltd, Great Britain, pp. 4, 48-49 and 56-58, (1963). (Month Unknown).
Thorstensen, Practical Leather Technology, Krieger Publishing Co., N.Y., pp. 34-35 and 39-40, (1969). (Month Unknown).

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