ES2045762T3 - Procedimiento de curtido de pieles. - Google Patents

Procedimiento de curtido de pieles.

Info

Publication number
ES2045762T3
ES2045762T3 ES90201637T ES90201637T ES2045762T3 ES 2045762 T3 ES2045762 T3 ES 2045762T3 ES 90201637 T ES90201637 T ES 90201637T ES 90201637 T ES90201637 T ES 90201637T ES 2045762 T3 ES2045762 T3 ES 2045762T3
Authority
ES
Spain
Prior art keywords
hides
bath
tanning
water
tanning agent
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES90201637T
Other languages
English (en)
Inventor
Francoise Silvestre
Christine Godawa
Michel Delmas
Antoine Gaset
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHAMBRE SYNDICALE de l IND DU
CHAMBRE SYNDICALE DES PATRONS
GACHES CHIMIE SA
Institut National Polytechnique de Toulouse INPT
Original Assignee
CHAMBRE SYNDICALE de l IND DU
CHAMBRE SYNDICALE DES PATRONS
GACHES CHIMIE SA
Institut National Polytechnique de Toulouse INPT
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 CHAMBRE SYNDICALE de l IND DU, CHAMBRE SYNDICALE DES PATRONS, GACHES CHIMIE SA, Institut National Polytechnique de Toulouse INPT filed Critical CHAMBRE SYNDICALE de l IND DU
Application granted granted Critical
Publication of ES2045762T3 publication Critical patent/ES2045762T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
    • C14C9/04—Fixing tanning agents in the leather
    • 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
    • C14C3/04—Mineral tanning
    • C14C3/06—Mineral tanning using chromium compounds
    • 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
    • C14C3/04—Mineral tanning

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCEDIMIENTO PARA CURTIDO DE PIELES BRUTAS HUMEDAS ACIDIFICADAS. ESTE PROCEDIMIENTO CONSISTE EN (A) PREPARAR UN BAÑO LIQUIDO ORGANICO SOLUBLE EN AGUA, (B) PONER EN SUSPENSION EN ESTE BAÑO UN AGENTE DE CURTIDO MINERAL A BASE DE UN COMPUESTO METALICO, ESPECIALMENTE SAL O COMPLEJO DE CROMO, (C) AJUSTAR LA TASA DE HIDRATACION DE LAS PIELES POR ENCIMA DE UN UMBRAL MINIMO DE 200 % (PESO DE AGUA REFERIDO AL PESO DE PIEL SECA) Y POR DEBAJO DE UN UMBRAL MAXIMO CORRESPONDIENTE AL LIMITE DE RETENCION DEL AGUA EN LA PIEL, (D) PONER EN CONTACTO LAS PIELES ASI HIDRATADAS EN EL BAÑO ORGANICO QUE CONTIENE EL AGENTE DE CURTIDO DURANTE UN TIEMPO POR LO MENOS IGUAL A 4 HORAS, E INTRODUCIR LENTAMENTE EN EL BAÑO UNA BASE PARA AUMENTAR PROGRESIVAMENTE EL PH DEL AGUA RETENIDA EN LAS PIELES HASTA UN VALOR FINAL COMPRENDIDO ENTRE UN UMBRAL MINIMO DE 3,9 PARA UN AGENTE DE CURTIDO AL CROMO, Y UN UMBRAL MAXIMO DE 4,4 PARA ESTE AGENTE AL CROMO, Y (E) RETIRAR ESTAS PIELES DEL BAÑO Y DEJARLAS REPOSAR DURANTE POR LO MENOS 24 HORAS. EL PROCEDIMIENTO DE LA INVENCION PERMITE OBTENRE A LA VEZ UN AGOTAMIENTO TOTAL DEL BAÑO DE CURTIDO, UNA AUSENCIA DE SALADO DEL AGENTE DE CURTIDO EN LAS OPERACIONES ULTERIORES DE AFINADO Y UN CUERO DE BUENA CALIDAD.
ES90201637T 1989-07-10 1990-06-22 Procedimiento de curtido de pieles. Expired - Lifetime ES2045762T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8909655A FR2649413B1 (fr) 1989-07-10 1989-07-10 Procede de tannage de peaux

Publications (1)

Publication Number Publication Date
ES2045762T3 true ES2045762T3 (es) 1994-01-16

Family

ID=9383885

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90201637T Expired - Lifetime ES2045762T3 (es) 1989-07-10 1990-06-22 Procedimiento de curtido de pieles.

Country Status (16)

Country Link
EP (1) EP0408097B1 (es)
JP (1) JPH03129000A (es)
KR (1) KR910003119A (es)
CN (1) CN1049526A (es)
AT (1) ATE93898T1 (es)
BR (1) BR9003194A (es)
CA (1) CA2020548A1 (es)
CS (1) CS276444B6 (es)
DD (1) DD296506A5 (es)
DE (1) DE69003040D1 (es)
ES (1) ES2045762T3 (es)
FR (1) FR2649413B1 (es)
MA (1) MA21899A1 (es)
PT (1) PT94631B (es)
TR (1) TR25083A (es)
YU (1) YU131890A (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2386702C1 (ru) * 2009-06-29 2010-04-20 Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный университет технологии и дизайна" Способ дубления шкур
IN2014DE00085A (es) * 2014-01-13 2015-07-17 Council Scient Ind Res
CN105525047B (zh) * 2016-02-19 2017-12-26 北京泛博化学股份有限公司 一种麝鼠皮的铝油鞣制方法
CN106435053B (zh) * 2016-12-12 2018-10-19 温州大学 一种用于皮革无铬鞣鞣制工序的络合剂及其制备方法和应用
DK179649B1 (en) * 2017-06-26 2019-03-11 Ecco Sko A/S A PROCESS FOR TANNING ANIMAL HIDES

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR212025A1 (es) * 1975-07-19 1978-04-28 Boehme Chem Fab Kg Procedimiento de preparacion de cueros y pieles
SU821489A1 (ru) * 1978-11-28 1981-04-15 Восточно-Сибирский Технологическийинститут Способ дублени шкур

Also Published As

Publication number Publication date
TR25083A (tr) 1992-11-01
YU131890A (sh) 1992-07-20
ATE93898T1 (de) 1993-09-15
FR2649413B1 (fr) 1993-05-28
CA2020548A1 (fr) 1991-01-11
BR9003194A (pt) 1991-08-27
CN1049526A (zh) 1991-02-27
JPH03129000A (ja) 1991-05-31
EP0408097B1 (fr) 1993-09-01
CS276444B6 (en) 1992-05-13
KR910003119A (ko) 1991-02-26
PT94631A (pt) 1991-03-20
PT94631B (pt) 1996-01-31
FR2649413A1 (fr) 1991-01-11
MA21899A1 (fr) 1991-04-01
DE69003040D1 (de) 1993-10-07
EP0408097A1 (fr) 1991-01-16
DD296506A5 (de) 1991-12-05

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