Treatment of leather

The known treatment of leather using tanning, rechroming, retanning and dyeing stages is improved by treating the leather with an aq. dispersion of a polymer (I). (I) is a polyamide or polyester. Uses (I) dispersions of solids content up to 50 %, pH 2-8 esp. 2-4.5, and particle size (mostly) up to 2...

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Bibliographische Detailangaben
Hauptverfasser:	KUMAR KAUSHIK PUSHPENDAR, BHANU SINGH VIR, NAIDU GOPALA KRISHNA MOORTHY KANNIAH, SANKARASUBRAMANIAN HARIHARAN
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	APPARATUS THEREFOR CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING CHEMISTRY COMPOSITIONS FOR TANNING HIDES LEATHER METALLURGY PELTS SKINS
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Beschreibung
Zusammenfassung:	The known treatment of leather using tanning, rechroming, retanning and dyeing stages is improved by treating the leather with an aq. dispersion of a polymer (I). (I) is a polyamide or polyester. Uses (I) dispersions of solids content up to 50 %, pH 2-8 esp. 2-4.5, and particle size (mostly) up to 2 micron. The dispersion is suitably obtd. using an attrition mill. The known treatment of leather using tanning, rechroming, retanning and dyeing stages is improved by treating the leather with an aq. dispersion of a polymer (I). (I) is a polyamide or polyester. Uses (I) dispersions of solids content up to 50 %, pH 2-8 esp. 2-4.5, and particle size (mostly) up to 2 micron. The dispersion is suitably obtd. using an attrition mill. (Machine-translation by Google Translate, not legally binding) EL INVENTO SE REFIERE A UN METODO PARA EL TRATAMIENTO DE CUERO PARA MEJORAR EL AGOTAMIENTO DE CROMO Y OTRAS DIVERSAS PROPIEDADES. EL METODO CONSISTE EN TRATAR EL CUERO CON UNA DISPERSION DE POLIAMIDA O POLIESTER MICROCRISTALINO. DICHO TRATAMIENTO SE REALIZA EN LA ETAPA DE CURTIMIENTO, RECROMADO, RECURTIMIENTO O TINCION.