ES2067106T3 - Purificacion y decoloracion de alquil-alcanolaminas de intenso color. - Google Patents
Purificacion y decoloracion de alquil-alcanolaminas de intenso color.Info
- Publication number
- ES2067106T3 ES2067106T3 ES91114752T ES91114752T ES2067106T3 ES 2067106 T3 ES2067106 T3 ES 2067106T3 ES 91114752 T ES91114752 T ES 91114752T ES 91114752 T ES91114752 T ES 91114752T ES 2067106 T3 ES2067106 T3 ES 2067106T3
- Authority
- ES
- Spain
- Prior art keywords
- alcanolamines
- decoloration
- purification
- intense color
- alkyl
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/10—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
ALCANOLAMINAS DE DI (C SUB 2 SUB 10) ALQUILO DESCOLORIDAS PURIFICADAS Y DECOLORADAS MEDIANTE UNA DESTILACION AL VACIO A UNA PRESION DE ENTRE 1 Y 50 MM.HG (1 ICO SOLUBLE EN AGUA CON LO QUE LA ALCANOLAMINA DESTILADA TIENE UN NIVEL DE COLOR APHA QUE SE MANTIENE ALMACENADO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58719890A | 1990-09-24 | 1990-09-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2067106T3 true ES2067106T3 (es) | 1995-03-16 |
Family
ID=24348796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91114752T Expired - Lifetime ES2067106T3 (es) | 1990-09-24 | 1991-09-02 | Purificacion y decoloracion de alquil-alcanolaminas de intenso color. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0477593B1 (es) |
BR (1) | BR9104057A (es) |
CA (1) | CA2050998A1 (es) |
DE (1) | DE69106821T2 (es) |
ES (1) | ES2067106T3 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5331102A (en) * | 1993-06-28 | 1994-07-19 | Union Carbide Chemicals & Plastics Technology Corporation | Method for decolorization of alkanolamines and alkyleneamines |
US5847221A (en) * | 1993-06-28 | 1998-12-08 | Union Carbide Chemicals & Plastics Technology Corporation | Method for decolorization of alkanolamines and alkyleneamines |
DE19622268C1 (de) * | 1996-06-03 | 1997-10-23 | Basf Ag | Sterisch gehindertes 4-Amino-piperidin mit geringem Dimergehalt, seine Herstellung und Verwendung |
DE19622269A1 (de) * | 1996-06-03 | 1997-12-04 | Basf Ag | Verfahren zur Reinigung von sterisch gehinderten 4-Aminopiperidinen |
JPH11514024A (ja) * | 1996-06-19 | 1999-11-30 | ザ、プロクター、エンド、ギャンブル、カンパニー | 変性ポリアミンから悪臭を除去する方法 |
DE102004040647B4 (de) * | 2004-08-20 | 2013-01-03 | Dhw Deutsche Hydrierwerke Gmbh Rodleben | Verfahren zur Herstellung von hellfarbenen, primären Fettaminen |
FR2947265B1 (fr) | 2009-06-25 | 2011-08-05 | Arkema France | Procede de preparation d'alkylalcanolamines |
ES2925050T3 (es) | 2015-12-29 | 2022-10-13 | Sabic Global Technologies Bv | Métodos para reducir el color en composiciones de alcanolamina y composiciones producidas de esta manera |
CN108997148B (zh) * | 2018-08-28 | 2021-10-12 | 顺毅股份有限公司 | 可回收套用的n-丁基二乙醇胺的制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3207790A (en) * | 1961-07-06 | 1965-09-21 | Dow Chemical Co | Process for reducing the color of discolored alkanolamines |
US3819710A (en) * | 1973-01-04 | 1974-06-25 | Olin Corp | Process for improving color and color stability of ethanolamines |
US4379024A (en) * | 1981-07-23 | 1983-04-05 | Pennwalt Corporation | Process for the manufacture of alkylaminoalkanol |
US4673762A (en) * | 1986-05-27 | 1987-06-16 | Texaco Inc. | Decolorizing ethanolamines with alkylene oxides |
US4766247A (en) * | 1986-09-26 | 1988-08-23 | Air Products And Chemicals, Inc. | Color reduction of polyamines by mild catalytic hydrogenation |
-
1991
- 1991-09-02 DE DE1991606821 patent/DE69106821T2/de not_active Expired - Fee Related
- 1991-09-02 ES ES91114752T patent/ES2067106T3/es not_active Expired - Lifetime
- 1991-09-02 EP EP19910114752 patent/EP0477593B1/en not_active Expired - Lifetime
- 1991-09-09 CA CA 2050998 patent/CA2050998A1/en not_active Abandoned
- 1991-09-23 BR BR9104057A patent/BR9104057A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
BR9104057A (pt) | 1992-06-02 |
CA2050998A1 (en) | 1992-03-25 |
DE69106821T2 (de) | 1995-06-22 |
EP0477593A1 (en) | 1992-04-01 |
DE69106821D1 (de) | 1995-03-02 |
EP0477593B1 (en) | 1995-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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