ES2038084A1 - Procedimiento para el curtido de cueros y pieles. - Google Patents

Procedimiento para el curtido de cueros y pieles.

Info

Publication number
ES2038084A1
ES2038084A1 ES929200546A ES9200546A ES2038084A1 ES 2038084 A1 ES2038084 A1 ES 2038084A1 ES 929200546 A ES929200546 A ES 929200546A ES 9200546 A ES9200546 A ES 9200546A ES 2038084 A1 ES2038084 A1 ES 2038084A1
Authority
ES
Spain
Prior art keywords
melamine
condensate
alkanolamine
para
leather
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.)
Granted
Application number
ES929200546A
Other languages
English (en)
Other versions
ES2038084B1 (es
Inventor
Dieter Graf
Johann Wolf
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.)
Dr Th Boehme KG Chemie Fabrik GmbH and Co
Original Assignee
Dr Th Boehme KG Chemie Fabrik GmbH and Co
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 Dr Th Boehme KG Chemie Fabrik GmbH and Co filed Critical Dr Th Boehme KG Chemie Fabrik GmbH and Co
Publication of ES2038084A1 publication Critical patent/ES2038084A1/es
Application granted granted Critical
Publication of ES2038084B1 publication Critical patent/ES2038084B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C14C3/08—Chemical tanning by organic agents
    • C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof

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 EL CURTIDO DE CUEROS Y PIELES. SE PROPONE UN PROCEDIMIENTO PARA LA FABRICACION DE CUEROS Y PIELES, EN QUE PIELES EN TRIPA ADOBADASO ADICIONALMENTE ENCURTIDAS, ASI COMO PELLEJOS DE PELETERIA REMOJADOS, LAVADOS O ADICIONALMENTE ENCURTIDOS SE TRATAN CON UN CONDENSADO DE MELAMINA, PARAFORMALDEHIDO, DIALCOHOLES, TRIALCOHOLES O POLIALCOHOLES Y DIALCANOLAMINA O TRIALCANOLAMINA, DADO EL CASO, UTILIZANDO SIMULTANEAMENTE BIS-2,2-(4-HIDROXI-FENIL)PROPANO Y/O UREA Y SE EFECTUA LA TERMINACION DEL CURTIDO A UN VALOR PH DE 3,0 HASTA 3,5, EVENTUALMENTE POR AJUSTE CON ACIDOS ORGANICOS Y/O INORGANICOS.
ES9200546A 1991-03-13 1992-03-12 Procedimiento para el curtido de cueros y pieles. Expired - Fee Related ES2038084B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4108139A DE4108139A1 (de) 1991-03-13 1991-03-13 Verfahren zum gerben von leder und pelzen

Publications (2)

Publication Number Publication Date
ES2038084A1 true ES2038084A1 (es) 1993-07-01
ES2038084B1 ES2038084B1 (es) 1994-03-01

Family

ID=6427197

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9200546A Expired - Fee Related ES2038084B1 (es) 1991-03-13 1992-03-12 Procedimiento para el curtido de cueros y pieles.

Country Status (3)

Country Link
DE (1) DE4108139A1 (es)
ES (1) ES2038084B1 (es)
IT (1) IT1259330B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010043680A1 (de) * 2008-10-17 2010-04-22 Basf Se Verfahren zur herstellung von leder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0265657A1 (de) * 1986-09-25 1988-05-04 Hoechst Aktiengesellschaft Verfahren zur Gerbung von Leder
US4822372A (en) * 1986-09-25 1989-04-18 Cassella Aktiengesellschaft Processing for tanning leather
DE3935879A1 (de) * 1989-10-27 1991-05-02 Basf Ag Verfahren zum alleingerben von bloessen und zum nachgerben von chromleder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3632638A1 (de) * 1986-09-25 1988-03-31 Hoechst Ag Verfahren zur gerbung von leder
DE3633643A1 (de) * 1986-10-03 1988-04-14 Basf Ag Verfahren zur vernetzung von kaseinfilmen in der lederzurichtung
DE3731810A1 (de) * 1987-09-22 1989-03-30 Basf Ag Kondensationsprodukte des bis-(4-hydroxyphenyl)-sulfons als gerbereihilfsmittel, deren herstellung und verwendung sowie ein verfahren zum gerben von leder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0265657A1 (de) * 1986-09-25 1988-05-04 Hoechst Aktiengesellschaft Verfahren zur Gerbung von Leder
US4822372A (en) * 1986-09-25 1989-04-18 Cassella Aktiengesellschaft Processing for tanning leather
DE3935879A1 (de) * 1989-10-27 1991-05-02 Basf Ag Verfahren zum alleingerben von bloessen und zum nachgerben von chromleder

Also Published As

Publication number Publication date
DE4108139A1 (de) 1992-09-17
ES2038084B1 (es) 1994-03-01
ITTO920209A0 (it) 1992-03-12
IT1259330B (it) 1996-03-12
ITTO920209A1 (it) 1993-09-12

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20040601