Process for treating leathers with surfactants to improve water repellency

PCT No. PCT/EP96/01850 Sec. 371 Date Nov. 12, 1997 Sec. 102(e) Date Nov. 12, 1997 PCT Filed May 3, 1996 PCT Pub. No. WO96/35814 PCT Pub. Date Nov. 14, 1996The present invention relates to a process for improving the waterproofing of hides, skins, leathers, and furs, as well as other fibrous material...

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Bibliographische Detailangaben
Hauptverfasser:	KAUSSEN, MANFRED
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPARATUS THEREFOR CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING CHEMISTRY COMPOSITIONS FOR TANNING DYES HIDES LEATHER MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PELTS POLISHES SKINS
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Beschreibung
Zusammenfassung:	PCT No. PCT/EP96/01850 Sec. 371 Date Nov. 12, 1997 Sec. 102(e) Date Nov. 12, 1997 PCT Filed May 3, 1996 PCT Pub. No. WO96/35814 PCT Pub. Date Nov. 14, 1996The present invention relates to a process for improving the waterproofing of hides, skins, leathers, and furs, as well as other fibrous materials, by treatment with special surfactants in the beamhouse and/or in the treatment of the wet blues, prior to waterproofing. Particularly suitable as surfactants are anionic surfactants based on salts of N-acyl-amino acids and nonionic surfactants, such as alkyl polyglycosides or polyethyleneglycol carboxyalkyl ethers. The surfactants are used in amounts of 0.5 to 5% wt., relative to the pelt or shaved weight.