ES473036A1 - Procedimiento para cutir al cromo pellojos y pieles animales - Google Patents
Procedimiento para cutir al cromo pellojos y pieles animalesInfo
- Publication number
- ES473036A1 ES473036A1 ES473036A ES473036A ES473036A1 ES 473036 A1 ES473036 A1 ES 473036A1 ES 473036 A ES473036 A ES 473036A ES 473036 A ES473036 A ES 473036A ES 473036 A1 ES473036 A1 ES 473036A1
- Authority
- ES
- Spain
- Prior art keywords
- tanning
- chromium
- iii
- chrome
- pelts
- 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
Links
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 abstract 2
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 abstract 2
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical class [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 abstract 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract 2
- 235000019253 formic acid Nutrition 0.000 abstract 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 229910000423 chromium oxide Inorganic materials 0.000 abstract 1
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 abstract 1
- 235000015217 chromium(III) sulphate Nutrition 0.000 abstract 1
- 239000011696 chromium(III) sulphate Substances 0.000 abstract 1
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
- C14C3/28—Multi-step processes
-
- 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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Procedimiento para curtir al cromo pellejos y pieles animales, caracterizado porque comprende precurtir peladas piqueladas con por lo menos una sal de cromo (III), la precurtición seguida por una curtición completiva en la presencia de por lo menos un agente ligador de ácido , con un agente de curtición al cromo que comprende un producto de reacción de un formiato y/o ácido fórmico con un sulfato de cromo (III), empleándose por lo menos 2 moles de formiato y/on ácido fórmico por cada mol de Cr2O3 en el agente de curtición al cromo empleado para la curtición completiva, siendo la cantidad todal de aplicación de óxido de cromo de un 1,0 hasta un 1,8% basado en el peso de las peladas, y siendo la curtición llevada a cabo con un peso de baño que es de un 100% como máximo basado en el peso de las peladas, hasta un valor pH final de por lo menos 4,0.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2739844A DE2739844C3 (de) | 1977-09-03 | 1977-09-03 | Verfahren zum Chromgerben |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES473036A1 true ES473036A1 (es) | 1979-04-01 |
Family
ID=6018100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES473036A Expired ES473036A1 (es) | 1977-09-03 | 1978-09-01 | Procedimiento para cutir al cromo pellojos y pieles animales |
Country Status (23)
| Country | Link |
|---|---|
| US (1) | US4211529A (es) |
| JP (1) | JPS5446801A (es) |
| AR (1) | AR216535A1 (es) |
| AT (1) | AT360135B (es) |
| AU (1) | AU516388B2 (es) |
| BR (1) | BR7805719A (es) |
| CA (1) | CA1106108A (es) |
| CH (1) | CH637694A5 (es) |
| DE (1) | DE2739844C3 (es) |
| DK (1) | DK144766C (es) |
| ES (1) | ES473036A1 (es) |
| FI (1) | FI64643C (es) |
| FR (1) | FR2401998A1 (es) |
| GB (1) | GB2003498B (es) |
| IE (1) | IE47324B1 (es) |
| IT (1) | IT1106294B (es) |
| MX (1) | MX148869A (es) |
| NL (1) | NL184742C (es) |
| NO (1) | NO149969C (es) |
| NZ (1) | NZ188305A (es) |
| SE (1) | SE442875B (es) |
| YU (1) | YU40532B (es) |
| ZA (1) | ZA784990B (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348201A (en) * | 1979-05-11 | 1982-09-07 | Seitetsu Kagaku Co., Ltd. | Tanning process and tanning compositions |
| JPS57100200A (en) * | 1980-12-15 | 1982-06-22 | Nippon Chemical Ind | Manufacture of chromium tanning agent |
| RU2149902C1 (ru) * | 1999-07-26 | 2000-05-27 | Зурабян Карапет Мхитарович | Способ выделки меховых шкур |
| RU2386702C1 (ru) * | 2009-06-29 | 2010-04-20 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный университет технологии и дизайна" | Способ дубления шкур |
| WO2012153203A1 (en) * | 2011-05-10 | 2012-11-15 | Council Of Scientific & Industrial Research | Chrome tanning process for leather making reusing exhaust chrome liquor |
| CN114540558A (zh) * | 2021-12-14 | 2022-05-27 | 浙江中辉裘革科技有限公司 | 一种捕获-洗脱-固定联用的除去毛皮游离甲醛方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1230170B (de) * | 1960-10-28 | 1966-12-08 | Bayer Ag | Gerbverfahren |
| DE1241032B (de) * | 1961-04-08 | 1967-05-24 | Bayer Ag | Verfahren zur Herstellung von Leder |
| FR1304531A (fr) * | 1961-10-26 | 1962-09-21 | Bayer Ag | Procédé de fabrication de cuir |
| DE1225809B (de) * | 1963-01-18 | 1966-09-29 | Bayer Ag | Gerbverfahren |
| DE1444994A1 (de) * | 1963-01-18 | 1969-01-02 | Bayer Ag | Gerbverfahren |
| US3656881A (en) * | 1969-06-02 | 1972-04-18 | Shell Oil Co | Leather lubricating process and composition |
| AR208085A1 (es) * | 1974-05-18 | 1976-11-30 | Bayer Ag | Procedimiento de curtido al cromo |
| DE2424301C3 (de) * | 1974-05-18 | 1981-05-27 | Bayer Ag, 5090 Leverkusen | Verfahren zum Chromgerben und Gerbmischung dafür |
| DE2424300C3 (de) * | 1974-05-18 | 1984-11-08 | Bayer Ag, 5090 Leverkusen | Verfahren zum Chromgerben und Gerbmischung dafür |
| US4010097A (en) * | 1975-10-09 | 1977-03-01 | Allis-Chalmers Corporation | Pneumatic classifier for refuse material with double vortex airflow |
| JPS5257301A (en) * | 1975-11-04 | 1977-05-11 | Nippon Chemical Ind | Process for tanning leather |
| DE2626429C3 (de) * | 1976-06-12 | 1981-06-19 | Bayer Ag, 5090 Leverkusen | Verfahren zum Chromgerben von Häuten oder Nachgerben von Leder in Gegenwart von Carbonsäuren als Komplexbildner |
| DE2626430C2 (de) * | 1976-06-12 | 1982-06-03 | Bayer Ag, 5090 Leverkusen | Verfahren zum Gerben von Leder und Gerbmischung |
-
1977
- 1977-09-03 DE DE2739844A patent/DE2739844C3/de not_active Expired
-
1978
- 1978-08-16 NO NO782789A patent/NO149969C/no unknown
- 1978-08-23 US US05/936,279 patent/US4211529A/en not_active Expired - Lifetime
- 1978-08-29 GB GB7834882A patent/GB2003498B/en not_active Expired
- 1978-08-30 CH CH912578A patent/CH637694A5/de not_active IP Right Cessation
- 1978-08-30 AU AU39401/78A patent/AU516388B2/en not_active Expired
- 1978-08-30 MX MX174696A patent/MX148869A/es unknown
- 1978-08-31 NZ NZ188305A patent/NZ188305A/xx unknown
- 1978-08-31 NL NLAANVRAGE7808959,A patent/NL184742C/xx not_active IP Right Cessation
- 1978-08-31 SE SE7809178A patent/SE442875B/sv not_active IP Right Cessation
- 1978-09-01 DK DK388378A patent/DK144766C/da not_active IP Right Cessation
- 1978-09-01 FR FR7825333A patent/FR2401998A1/fr active Granted
- 1978-09-01 AR AR273537A patent/AR216535A1/es active
- 1978-09-01 YU YU2077/78A patent/YU40532B/xx unknown
- 1978-09-01 BR BR7805719A patent/BR7805719A/pt unknown
- 1978-09-01 IE IE1765/78A patent/IE47324B1/en not_active IP Right Cessation
- 1978-09-01 CA CA310,488A patent/CA1106108A/en not_active Expired
- 1978-09-01 FI FI782689A patent/FI64643C/fi not_active IP Right Cessation
- 1978-09-01 IT IT50931/78A patent/IT1106294B/it active
- 1978-09-01 ES ES473036A patent/ES473036A1/es not_active Expired
- 1978-09-01 JP JP10633478A patent/JPS5446801A/ja active Granted
- 1978-09-01 ZA ZA00784990A patent/ZA784990B/xx unknown
- 1978-09-01 AT AT634978A patent/AT360135B/de not_active IP Right Cessation
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 20000301 |