Hydrophobization of leather, pelts and leather substitute materi

Details Hydrophobization of leather, pelts and leather substitute materi Hydrophobization of leather, pelts and leather substitute materi

1989-01-10

1990-06-05

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 941R, 8 9421, 427379, 427387, C14C 500, C14C 100, C14C 900

Patent

active

049310623

ABSTRACT:
Leather, pelts and leather substitute materials are hydrophobized with a carboxyl-containing polysiloxane whose carboxyl groups are present in neutralized form in an aqueous phase in the absence of emulsifiers and without aftertreatment with mineral tanning agents.

REFERENCES:
patent: 3116965 (1964-01-01), Ender
patent: 4501619 (1985-02-01), Gee
patent: 4701269 (1987-10-01), Bay et al.

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