ES459659A1 - Procedimiento para el curtido al cromo de pellejos de anima-les. - Google Patents

Procedimiento para el curtido al cromo de pellejos de anima-les.

Info

Publication number
ES459659A1
ES459659A1 ES459659A ES459659A ES459659A1 ES 459659 A1 ES459659 A1 ES 459659A1 ES 459659 A ES459659 A ES 459659A ES 459659 A ES459659 A ES 459659A ES 459659 A1 ES459659 A1 ES 459659A1
Authority
ES
Spain
Prior art keywords
tanning
polycarboxylic acid
salt
partial esters
acid partial
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
ES459659A
Other languages
English (en)
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of ES459659A1 publication Critical patent/ES459659A1/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
    • C14C3/06—Mineral tanning using chromium compounds

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 al cromo de pellejos de animales, depilados eventualmente piquelados y/o para recurtido de cueros con sales de cromo-(III) así como con agentes ligadores de ácido, caracterizado porque el curtido al cromo se efectúa en presencia de ácidos dicarboxilicos de 4 a 11 átomos de carbono hidrosolubles, parcialmente esterificados e hidrolizables a los ácidos libres o su sales.
ES459659A 1976-06-12 1977-06-10 Procedimiento para el curtido al cromo de pellejos de anima-les. Expired ES459659A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2626429A DE2626429C3 (de) 1976-06-12 1976-06-12 Verfahren zum Chromgerben von Häuten oder Nachgerben von Leder in Gegenwart von Carbonsäuren als Komplexbildner

Publications (1)

Publication Number Publication Date
ES459659A1 true ES459659A1 (es) 1978-05-01

Family

ID=5980406

Family Applications (1)

Application Number Title Priority Date Filing Date
ES459659A Expired ES459659A1 (es) 1976-06-12 1977-06-10 Procedimiento para el curtido al cromo de pellejos de anima-les.

Country Status (7)

Country Link
US (1) US4101271A (es)
AR (1) AR214521A1 (es)
BR (1) BR7703765A (es)
DE (1) DE2626429C3 (es)
ES (1) ES459659A1 (es)
FR (1) FR2354382A1 (es)
GB (1) GB1543889A (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822072A1 (de) * 1978-05-20 1979-11-29 Henkel Kgaa Verwendung wasserunloeslicher aluminiumsilikate bei der lederherstellung
DE2739844B2 (de) * 1977-09-03 1980-02-28 Bayer Ag, 5090 Leverkusen Verfahren zum Chromgerben
DE3726796A1 (de) * 1987-08-12 1989-02-23 Bayer Ag Verfahren zur hochauszehrenden chromgerbung
AU652442B2 (en) * 1991-04-09 1994-08-25 Australian Meat Corporation Process for tanning hides and compounds for use therein
EP0580676A4 (en) * 1991-04-09 1995-02-22 Commw Scient Ind Res Org PROCESS FOR TANNING SKINS AND COMPOUNDS USEFUL THEREFOR.
CN102260171B (zh) * 2011-05-11 2013-12-18 台州市海峰医化有限公司 戊二酸单甲酯钠盐及戊二酸单甲酯的合成方法
EP2853604A1 (en) * 2013-09-30 2015-04-01 Rhodia Poliamida E Especialidades Ltda Tanning process
EP2853605A1 (en) * 2013-09-30 2015-04-01 Rhodia Poliamida E Especialidades Ltda Tanning process for obtaining leather
CN109628657A (zh) * 2018-12-29 2019-04-16 深圳市方润环境科技有限公司 一种高档绵羊服装毛革的无盐不浸酸铬鞣方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2424300C3 (de) * 1974-05-18 1984-11-08 Bayer Ag, 5090 Leverkusen Verfahren zum Chromgerben und Gerbmischung dafür
AR208085A1 (es) * 1974-05-18 1976-11-30 Bayer Ag Procedimiento de curtido al cromo

Also Published As

Publication number Publication date
GB1543889A (en) 1979-04-11
FR2354382A1 (fr) 1978-01-06
DE2626429A1 (de) 1977-12-22
FR2354382B1 (es) 1982-04-09
US4101271A (en) 1978-07-18
DE2626429B2 (de) 1980-07-10
AR214521A1 (es) 1979-06-29
BR7703765A (pt) 1978-04-11
DE2626429C3 (de) 1981-06-19

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