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RO90893B1 - Chrome-tannin tannage process for shoe upper skins - Google Patents

Chrome-tannin tannage process for shoe upper skins

Info

Publication number
RO90893B1
RO90893B1 RO115915A RO11591584A RO90893B1 RO 90893 B1 RO90893 B1 RO 90893B1 RO 115915 A RO115915 A RO 115915A RO 11591584 A RO11591584 A RO 11591584A RO 90893 B1 RO90893 B1 RO 90893B1
Authority
RO
Romania
Prior art keywords
tanning
tannin
fleet
dyeing
squeezing
Prior art date
Application number
RO115915A
Other languages
Romanian (ro)
Other versions
RO90893A2 (en
Inventor
Ioan Diaconu
Roxana Daciana Diaconu
Ioana Diana Diaconu
Original Assignee
Ioan Diaconu
Roxana Daciana Diaconu
Ioana Diana Diaconu
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 Ioan Diaconu, Roxana Daciana Diaconu, Ioana Diana Diaconu filed Critical Ioan Diaconu
Priority to RO115915A priority Critical patent/RO90893B1/en
Publication of RO90893A2 publication Critical patent/RO90893A2/en
Publication of RO90893B1 publication Critical patent/RO90893B1/en

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  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

Inventia se refera la un procedeu de tabacire cromtanin a pieilor de bovine, porcine, ovine si caprine la operatiile de tabacire, cu saruri de crom, odihna, stoarcere, despicare, egealizare, tabacire vegetala, vopsire si gresare si consta în tabacirea pieilor piclate în 80% flota de piclarwe cu 4,5...15 g/l Cr2O3 de 32...35% bazicitate, timp de 2...4h, urmata de odihna, stoarcere, despicaresi egalizarea pieilor, tabacirea vegetala în 100...300% flota cu 25...120 g/l tanin pur vegetal sub forma de extrcat de stejar Arges 1...3 g/l amoniac 4...20 g/l ulei sulfatat, durata 2...4 h, dupa care se adauga 15..40 g/l tanin pur sintetic, sub forma de produs de condensare a acidului fenol sulfonic cu fenol, uree si aldehida formica, durata 2...8 h si vopsirea si gresarea pieilor în aceasi flota.The invention relates to a chromanin tanning process for bovine, porcine, ovine and caprine hides in tanning operations with chromium salts, resting, squeezing, splicing, elagation, vegetative tanning, dyeing and lubrication, and consists of tanning of pips in 80% of the piclarwe fleet with 4.5 ... 15 g / l Cr2O3 of 32 ... 35% basicity, for 2 ... 4h, followed by rest, squeezing, splitting and equalizing the skin, plant tanning in 100 .. .300% fleet with 25 ... 120 g / l pure vegetable tannin as Arges oak extruder 1 ... 3 g / l ammonia 4 ... 20 g / l sulfate oil, duration 2 ... 4 h , after which 15 to 40 g / l of pure synthetic tannin is added as a condensation product of phenol sulfonic acid with phenol, urea and formaldehyde aldehyde, lasting 2 to 8 hours and dyeing and lubricating the skin in the same fleet.

RO115915A 1984-10-08 1984-10-08 Chrome-tannin tannage process for shoe upper skins RO90893B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO115915A RO90893B1 (en) 1984-10-08 1984-10-08 Chrome-tannin tannage process for shoe upper skins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO115915A RO90893B1 (en) 1984-10-08 1984-10-08 Chrome-tannin tannage process for shoe upper skins

Publications (2)

Publication Number Publication Date
RO90893A2 RO90893A2 (en) 1987-01-30
RO90893B1 true RO90893B1 (en) 1987-01-31

Family

ID=20115628

Family Applications (1)

Application Number Title Priority Date Filing Date
RO115915A RO90893B1 (en) 1984-10-08 1984-10-08 Chrome-tannin tannage process for shoe upper skins

Country Status (1)

Country Link
RO (1) RO90893B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10031545A1 (en) * 2000-06-28 2002-01-10 Cognis Deutschland Gmbh Use of hydrolysates of vegetable tannins to stabilize chromium III against oxidation in chrome-tanned leather

Also Published As

Publication number Publication date
RO90893A2 (en) 1987-01-30

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