AR055546A1 - COMPOSITION FOR LEATHER TREATMENT - Google Patents

COMPOSITION FOR LEATHER TREATMENT

Info

Publication number
AR055546A1
AR055546A1 ARP050105309A ARP050105309A AR055546A1 AR 055546 A1 AR055546 A1 AR 055546A1 AR P050105309 A ARP050105309 A AR P050105309A AR P050105309 A ARP050105309 A AR P050105309A AR 055546 A1 AR055546 A1 AR 055546A1
Authority
AR
Argentina
Prior art keywords
weight
bath
phenol
acid
added
Prior art date
Application number
ARP050105309A
Other languages
Spanish (es)
Original Assignee
Tfl Ledertechnik Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tfl Ledertechnik Gmbh filed Critical Tfl Ledertechnik Gmbh
Publication of AR055546A1 publication Critical patent/AR055546A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/28—Multi-step processes
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/08—Chemical tanning by organic agents
    • C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof
    • C14C3/20—Chemical tanning by organic agents using polycondensation products or precursors thereof sulfonated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

Proceso para el tratamiento de cuero ôwetwhiteö, ôwetblueö o cuero con precurtido vegetal como sustrato, caracterizado porque - a los efectos de dicho tratamiento- se le agrega al bano acuoso una composicion que contiene: a) 1-95% en peso de un producto de reaccion de un fenol y un agente de sulfonacion, siendo la relacion molar (fenol):(SO3) de (1):(1,1-2,2); b) 1-95% en peso de un producto de reaccion de un ácido naftalensulfonico y formaldehído, y c) 5-50% en peso de c1) un condensado de formaldehído de un ácido dihidroxi-diarilsulfonico con ácido aril- 0 (hidroxi)arilsulfonico y/o c2) un condensacion urea/formaldehído de un fenol y ácido fenolsulfonico, siendo la suma de los componentes a), b), c) y/o c2) del 100% en peso, en forma de solucion acuosa, y si se ajusta a una concentracion del 50%, se agrega al bano en un 1-20% en peso con respecto al peso pelado de los cueros o pieles como sustrato, se agrega al bano después del primer curtido y previo al tratamiento posterior, que incluye uno o más de los pasos de recurtido, tenido y engrasado, y sin un paso de neutralizacion y sin recambio de bano, y los cueros se obtienen por este proceso o utilizando dicha composicion.Process for the treatment of ôwetwhiteö leather, ôwetblueö or leather with vegetable pre-tanning as a substrate, characterized in that - for the purposes of such treatment - a composition containing: a) 1-95% by weight of a product is added to the aqueous bath reaction of a phenol and a sulfonating agent, the molar ratio (phenol) :( SO3) of (1) :( 1,1-2,2); b) 1-95% by weight of a reaction product of a naphthalenesulfonic acid and formaldehyde, and c) 5-50% by weight of c1) a formaldehyde condensate of a dihydroxy-diarylsulfonic acid with aryl-0 (hydroxy) arylsulfonic acid and / or c2) a urea / formaldehyde condensation of a phenol and phenolsulfonic acid, the sum of components a), b), c) and / or c2) being 100% by weight, in the form of an aqueous solution, and if it is adjusted to a concentration of 50%, it is added to the bath in 1-20% by weight with respect to the bare weight of the hides or skins as a substrate, it is added to the bath after the first tanning and prior to the subsequent treatment, which includes one or more of the retanning steps, had and greased, and without a neutralization step and no bath replacement, and the leathers are obtained by this process or using said composition.

ARP050105309A 2004-12-17 2005-12-16 COMPOSITION FOR LEATHER TREATMENT AR055546A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH20982004 2004-12-17

Publications (1)

Publication Number Publication Date
AR055546A1 true AR055546A1 (en) 2007-08-22

Family

ID=36130144

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP050105309A AR055546A1 (en) 2004-12-17 2005-12-16 COMPOSITION FOR LEATHER TREATMENT

Country Status (6)

Country Link
EP (1) EP1831405B1 (en)
AR (1) AR055546A1 (en)
AT (1) ATE425269T1 (en)
DE (1) DE602005013287D1 (en)
TW (1) TW200641140A (en)
WO (1) WO2006064054A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110263893A1 (en) * 2010-04-21 2011-10-27 Basf Se Products, process for producing them, and their use
WO2011131542A1 (en) * 2010-04-21 2011-10-27 Basf Se Products, method for producing same, and use thereof
CN104450993B (en) * 2014-12-24 2017-11-10 上海金狮化工有限公司 A kind of retanning agent and preparation method thereof
ITTV20150055A1 (en) * 2015-04-21 2016-10-21 Osmo S R L SKIN TANNING PROCESS
CN105541672B (en) * 2015-12-15 2017-06-20 浙江闰土研究院有限公司 A kind of process for cleanly preparing of dye dispersant MF
CN112746137A (en) * 2020-12-31 2021-05-04 晋江市永建皮革制品有限公司 Preparation process of three-dimensional embossed leather

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB425037A (en) * 1933-08-28 1935-02-28 Ig Farbenindustrie Ag Improvements in and relating to improving the properties of synthetic tanning agents
DE59303282D1 (en) * 1992-01-28 1996-08-29 Ciba Geigy Ag Process for pimples of skin bones
DE19746445A1 (en) * 1997-10-21 1999-04-22 Tfl Ledertechnik Gmbh & Co Kg Composition for preparing leather and hides used for retanning and dubbing

Also Published As

Publication number Publication date
TW200641140A (en) 2006-12-01
EP1831405A1 (en) 2007-09-12
WO2006064054A1 (en) 2006-06-22
DE602005013287D1 (en) 2009-04-23
ATE425269T1 (en) 2009-03-15
EP1831405B1 (en) 2009-03-11

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Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed, e.g., due to non-payment of fee