ES8704548A1 - Procedimiento para curtir pieles. - Google Patents

Procedimiento para curtir pieles.

Info

Publication number
ES8704548A1
ES8704548A1 ES549493A ES549493A ES8704548A1 ES 8704548 A1 ES8704548 A1 ES 8704548A1 ES 549493 A ES549493 A ES 549493A ES 549493 A ES549493 A ES 549493A ES 8704548 A1 ES8704548 A1 ES 8704548A1
Authority
ES
Spain
Prior art keywords
hides
water
tanning
bath
complexing 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
Application number
ES549493A
Other languages
English (en)
Other versions
ES549493A0 (es
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Publication of ES549493A0 publication Critical patent/ES549493A0/es
Publication of ES8704548A1 publication Critical patent/ES8704548A1/es
Expired 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
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/04—Mineral tanning
    • 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

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

PROCEDIMIENTO PARA CURTIR PIELES PARA PALAS Y PELETERIA POR MEDIO DE SULFATO DE AMONIO Y TITANIO. COMPRENDE LAS OPERACIONES DE TRATAR LAS PIELES DESCALCINADAS, EN PRESENCIA DE AGUA, CON SULFATO AMONICO Y ACIDO NAFTALEN-SULFONICO Y LUEGO SE ADICIONA AL BAÑO SULFATO DE AMONIO Y TITANILO, MANTENIENDO LA TEMPERATURA CON VALORES SUPERIORES A 40 GRADOS; DE ADICIONAR OPCIONALMENTE UN AGENTE ACOMPLEJANTE PARA EL ION DE TITANIO TETRAVALENTE, MANTENIENDO LA TEMPERATURA; DE ALCALINIZAR GRADUALMENTE EL BAÑO CON LA ADICION DE SULFITO SODICO Y HEXAMETILENTETRAMINA HASTA OBTENER UN PH EN LA PIEL QUE OSCILE ENTRE 4 Y 5; DE EXTRAER LAS PIELES DEL BAÑO, SECARLAS, PRENSARLAS, RAPARLAS Y LAVARLAS CON AGUA; Y DE SOMETER A DICHAS PIELES A UN TRATAMIENTO DE DESACIDIFICACION CON UNA SUSTANCIA ALCALINA.
ES549493A 1984-12-03 1985-12-02 Procedimiento para curtir pieles. Expired ES8704548A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23870/84A IT1178688B (it) 1984-12-03 1984-12-03 Procedimento per la concia delle pelli

Publications (2)

Publication Number Publication Date
ES549493A0 ES549493A0 (es) 1987-04-01
ES8704548A1 true ES8704548A1 (es) 1987-04-01

Family

ID=11210538

Family Applications (1)

Application Number Title Priority Date Filing Date
ES549493A Expired ES8704548A1 (es) 1984-12-03 1985-12-02 Procedimiento para curtir pieles.

Country Status (6)

Country Link
EP (1) EP0187473B1 (es)
BR (1) BR8505963A (es)
DE (1) DE3568799D1 (es)
ES (1) ES8704548A1 (es)
IT (1) IT1178688B (es)
TR (1) TR23452A (es)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314975A (en) * 1979-11-11 1982-02-09 Motov David L Method for preparing titanium tanning agent
IT1163492B (it) * 1983-06-10 1987-04-08 Loris Guidi Procedimento per la concia delle pelli

Also Published As

Publication number Publication date
IT8423870A1 (it) 1986-06-03
IT8423870A0 (it) 1984-12-03
EP0187473A1 (en) 1986-07-16
ES549493A0 (es) 1987-04-01
TR23452A (tr) 1989-12-29
IT1178688B (it) 1987-09-16
DE3568799D1 (en) 1989-04-20
BR8505963A (pt) 1986-08-19
EP0187473B1 (en) 1989-03-15

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