MY112196A - Simultaneous preparation of caprolactam and hexamethylenediamine - Google Patents
Simultaneous preparation of caprolactam and hexamethylenediamineInfo
- Publication number
- MY112196A MY112196A MYPI95003990A MYPI19953990A MY112196A MY 112196 A MY112196 A MY 112196A MY PI95003990 A MYPI95003990 A MY PI95003990A MY PI19953990 A MYPI19953990 A MY PI19953990A MY 112196 A MY112196 A MY 112196A
- Authority
- MY
- Malaysia
- Prior art keywords
- give
- product
- distillation
- subjected
- bottom product
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/44—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers
- C07C209/48—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Polyamides (AREA)
Abstract
CAPROLACTARN AND HEXAMETHYLENEDIAMINE AND PREPARED SIMULTANEOUSLY STARTING FROM ADIPONITRILE BY A PROCESS IN WHICH(A) ADIPONITRILE IS PARTIALLY HYDROGENATED TO GIVE A MIXTURE CONTAINING ESSENTIALLY 6- AMINOCAPRONITRILE, HEXAMETHYLENEDIAMINE, AMMONIA, ADIPONITRILE AND HEXAMETHYLENEIMINE,(B) THE MIXTURE OBTANED IN (A) IS SUBJECTED TO A DISTILLATION TO GIVE AMMONIA AS THE TOP PRODUCT AND A BOTTOM PRODUCT I,(C) THE BOTTOM PRODUCT I CONTAINING ESSENTIALLY 6-AMINOCAPRONITRILE, HEXMETHYLENEDIAMINE, ADIPONITRILE, HEXAMETHYLENEIMINE, INERT COMPOUND A AND AMMONIA CONTENT BEING LOWER THAN THAT OF THE MIXTURE USED IS STAGE (B ), IS SUBJECTED TO A SECOND DISTILLATION TO GIVE A MIXTURE COMPRISING THE INERT COMPOUND A AND AMMONIA AS THE TOP PRODUCT AND A BOTTOM PRODUCT II,(D) THE BOTTOM PRODUCT II IS SUBJECTED, IN A THIRD COLUMN, TO A DISTILLATION TO GIVE THE INERT COMPOUND A AS THE TOP PRODUCT AND A BOTTOM PRODUCT III,(E) THE BOTTOM PRODUCT III IS SUBJECTED, IN A FOURTH COLUMN, TO A DISTILLATION TO GIVE A TOP PRODUCT KP I, CONTAINING ESSENTIALLY HEXAMETHYLENEIMINE AND A BOTTOM PRODUCT IV,(F) THE TOP PRODUCT KPL IS SUBJECTED, IN A FIRTH COLUMN, TO A DISTILLATION TO GIVE A TOP PRODUCT KP2, WHICH CONTAINS ESSENTIALLY HEXAMETHYLENEIMINE, AND(G) THE BOTTOM PRODUCT IV CONTAINING ESSENTIALLY 6-AMINOCAPRONITRILE AND ADIPONITRILE IS SUBJECTED, IN A SIXTH COLUMN, TO A DISTILLATION TO GIVE 6-AMINOCAPRONITRILE.AND THE 6-AMINOCAPRONITRILE THUS OBTAINED IS THEN CYCLIZED TO GIVE CAPROLACTAM.(FIGURE 1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19500222A DE19500222A1 (en) | 1995-01-05 | 1995-01-05 | Process for the simultaneous production of caprolactam and hexamethylenediamine |
Publications (1)
Publication Number | Publication Date |
---|---|
MY112196A true MY112196A (en) | 2001-04-30 |
Family
ID=7751046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI95003990A MY112196A (en) | 1995-01-05 | 1995-12-20 | Simultaneous preparation of caprolactam and hexamethylenediamine |
Country Status (18)
Country | Link |
---|---|
EP (1) | EP0801647B1 (en) |
JP (1) | JP3708549B2 (en) |
KR (1) | KR100386706B1 (en) |
CN (1) | CN1064353C (en) |
AT (1) | ATE242217T1 (en) |
AU (1) | AU4347396A (en) |
BG (1) | BG63431B1 (en) |
BR (1) | BR9510133A (en) |
CZ (1) | CZ289886B6 (en) |
DE (2) | DE19500222A1 (en) |
ES (1) | ES2201127T3 (en) |
FI (1) | FI972839A (en) |
MY (1) | MY112196A (en) |
PL (1) | PL187887B1 (en) |
RU (1) | RU2153493C2 (en) |
SK (1) | SK84297A3 (en) |
TW (1) | TW340839B (en) |
WO (1) | WO1996020931A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19636766A1 (en) | 1996-09-10 | 1998-03-12 | Basf Ag | Process for the simultaneous production of 6-aminocapronitrile and hexamethylenediamine |
DE19636765A1 (en) * | 1996-09-10 | 1998-03-12 | Basf Ag | Process for the simultaneous production of 6-aminocapronitrile and hexamethylenediamine |
DE19704613A1 (en) | 1997-02-07 | 1998-08-13 | Basf Ag | Process for the separation of 6-aminocapronitrile from mixtures containing 6-aminocapronitrile and an imine |
DE19704620A1 (en) | 1997-02-07 | 1998-08-13 | Basf Ag | Process for the separation of 6-aminocapronitrile from mixtures containing 6-aminocapronitrile and an imine |
DE19704612A1 (en) * | 1997-02-07 | 1998-08-13 | Basf Ag | Process for obtaining hexamethylenediamine from mixtures containing hexamethylenediamine |
DE19704614A1 (en) | 1997-02-07 | 1998-08-13 | Basf Ag | Process for separating an imine from a mixture containing an amine and an imine |
DE19704616A1 (en) * | 1997-02-07 | 1998-08-13 | Basf Ag | Process for the separation of 2-aminomethylcyclopentylamine from a mixture containing hexamethylenediamine and 2-aminomethylcyclopentylamine |
DE19812427A1 (en) * | 1998-03-20 | 1999-09-23 | Basf Ag | Separation of azepine derivative for purification of amine, especially polyamide precursor |
DE19842905A1 (en) | 1998-09-18 | 2000-03-23 | Basf Ag | Simultaneous preparation of lactam and cyclic amine, useful e.g. as intermediates for plastics, pharmaceuticals or agrochemicals, by reacting diamine, aminonitrile and water over heterogeneous catalyst. |
DE10010825A1 (en) * | 2000-03-08 | 2001-09-13 | Basf Ag | Separation of azepine derivative from amine, especially for purifying 6-aminocapronitrile or hexamethylenediamine, comprises distillation at low temperature |
MY127068A (en) * | 2000-06-05 | 2006-11-30 | Basf Ag | Removal of ammonia from solutions including caprolactam and ammonia |
DE10029187A1 (en) * | 2000-06-19 | 2001-12-20 | Basf Ag | Simplified low-energy separation of high-purity 6-aminocapronitrile from its mixtures with adiponitrile and hexamethylenediamine by a three-step distillative method |
DE10223827A1 (en) | 2002-05-28 | 2003-12-11 | Basf Ag | Process for reducing the content of an unsaturated amine in a mixture containing an aminonitrile, a diamine, a dinitrile or mixtures thereof |
US7208632B2 (en) * | 2004-09-10 | 2007-04-24 | Invista North America S.A R.L. | Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepine |
FR2892118B1 (en) * | 2005-10-18 | 2010-12-10 | Rhodia Recherches & Tech | PROCESS FOR PRODUCING HEXAMETHYLENE DIAMINE AND AMINOCAPRONITRILE |
FR2902425B1 (en) * | 2006-06-20 | 2008-07-18 | Rhodia Recherches & Tech | PROCESS FOR PRODUCING PRIMARY DIAMINS |
CN112876381B (en) * | 2021-04-14 | 2024-01-26 | 江苏扬农化工集团有限公司 | Simulated moving bed device and method for preparing 6-aminocapronitrile by gas phase method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE954416C (en) * | 1952-11-04 | 1956-12-20 | Basf Ag | Process for the production of aminonitriles and diamines |
GB1179706A (en) * | 1966-07-22 | 1970-01-28 | Ici Ltd | Organic Amines |
DE2606364B2 (en) * | 1976-02-18 | 1981-07-30 | Basf Ag, 6700 Ludwigshafen | Process for the separation of substances from a liquid mixture by fractional crystallization |
-
1995
- 1995-01-05 DE DE19500222A patent/DE19500222A1/en not_active Withdrawn
- 1995-02-09 TW TW084101079A patent/TW340839B/en active
- 1995-12-20 MY MYPI95003990A patent/MY112196A/en unknown
- 1995-12-22 RU RU97113741/04A patent/RU2153493C2/en not_active IP Right Cessation
- 1995-12-22 DE DE59510717T patent/DE59510717D1/en not_active Expired - Fee Related
- 1995-12-22 PL PL32126795A patent/PL187887B1/en not_active IP Right Cessation
- 1995-12-22 CN CN95197256A patent/CN1064353C/en not_active Expired - Fee Related
- 1995-12-22 EP EP95942198A patent/EP0801647B1/en not_active Expired - Lifetime
- 1995-12-22 JP JP52005596A patent/JP3708549B2/en not_active Expired - Fee Related
- 1995-12-22 KR KR1019970704616A patent/KR100386706B1/en not_active IP Right Cessation
- 1995-12-22 WO PCT/EP1995/005115 patent/WO1996020931A1/en active IP Right Grant
- 1995-12-22 SK SK842-97A patent/SK84297A3/en unknown
- 1995-12-22 AT AT95942198T patent/ATE242217T1/en not_active IP Right Cessation
- 1995-12-22 AU AU43473/96A patent/AU4347396A/en not_active Abandoned
- 1995-12-22 CZ CZ19972027A patent/CZ289886B6/en not_active IP Right Cessation
- 1995-12-22 ES ES95942198T patent/ES2201127T3/en not_active Expired - Lifetime
- 1995-12-22 BR BR9510133A patent/BR9510133A/en not_active IP Right Cessation
-
1997
- 1997-06-24 BG BG101661A patent/BG63431B1/en unknown
- 1997-07-02 FI FI972839A patent/FI972839A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BG101661A (en) | 1998-02-27 |
FI972839A0 (en) | 1997-07-02 |
FI972839A (en) | 1997-07-02 |
MX9704863A (en) | 1997-10-31 |
KR19980701227A (en) | 1998-05-15 |
PL187887B1 (en) | 2004-10-29 |
PL321267A1 (en) | 1997-11-24 |
EP0801647A1 (en) | 1997-10-22 |
BG63431B1 (en) | 2002-01-31 |
CZ202797A3 (en) | 1998-02-18 |
SK84297A3 (en) | 1998-03-04 |
KR100386706B1 (en) | 2003-08-21 |
ATE242217T1 (en) | 2003-06-15 |
AU4347396A (en) | 1996-07-24 |
CN1064353C (en) | 2001-04-11 |
TW340839B (en) | 1998-09-21 |
CZ289886B6 (en) | 2002-04-17 |
BR9510133A (en) | 1997-12-30 |
JP3708549B2 (en) | 2005-10-19 |
EP0801647B1 (en) | 2003-06-04 |
JPH10511361A (en) | 1998-11-04 |
WO1996020931A1 (en) | 1996-07-11 |
DE19500222A1 (en) | 1996-07-11 |
CN1171782A (en) | 1998-01-28 |
ES2201127T3 (en) | 2004-03-16 |
DE59510717D1 (en) | 2003-07-10 |
RU2153493C2 (en) | 2000-07-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MY112196A (en) | Simultaneous preparation of caprolactam and hexamethylenediamine | |
DE3855458D1 (en) | METHOD FOR PRODUCING CONFORMALLY STABILIZED CELL ADHESION PEPTIDES | |
AU623144C (en) | (+)-enantiomer of citalopram and process for the preparation thereof | |
MY120584A (en) | Improved method for simultaneous preparation of 6-aminocapronitrile and hexamethylene diamine | |
CA2265488A1 (en) | Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine | |
DE10010825A1 (en) | Separation of azepine derivative from amine, especially for purifying 6-aminocapronitrile or hexamethylenediamine, comprises distillation at low temperature | |
RU97113741A (en) | METHOD FOR SIMULTANEOUS PRODUCTION OF CAPROLACTAM AND HEXAMETHYLENE DIAMINE | |
MY127867A (en) | Method for obtaining hexamethylene diamine from mixtures containing hexamethylene diamnie | |
US6300497B1 (en) | Method for separating an azepine derivative from a mixture containing an amine and an azepine derivative | |
MY112193A (en) | Preparation of caprolactam | |
CA2220463A1 (en) | Process for improving color and color stability of oleic acid | |
CA2178998A1 (en) | Process for preparing lactams | |
MXPA03010926A (en) | Process for the production of nylon 6. | |
DE69834055D1 (en) | PROCESS FOR THE PRODUCTION OF FLAVORS AND THEIR USE IN BAKERY PRODUCTS | |
DE60209499D1 (en) | PROCESS FOR THE PREPARATION OF NYLON 6,6 | |
MY125174A (en) | Improved process for coproduction of 6-aminocapronitrile and hexamethylenediamine. | |
CA2337321A1 (en) | Method for distilling ammonia | |
AU1741001A (en) | Process for the preparation of a polyamide | |
MY133976A (en) | Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine | |
CA2279172A1 (en) | Method for separating 6-aminocapronitrile from mixtures containing 6-aminocapronitrile and an imine | |
PL379862A1 (en) | Process for producing hexamethylenediamine and aminocapronitrile from adiponitrile, wherein the hexamethylenediamine contains less than 200 ppm tetrahydroazepine | |
ATE174335T1 (en) | METHOD FOR PRODUCING 1,2,3,4,10,14B-HEXAHYDRO-2-METHYL-DIBENZO(C,F>PYRAZINO(1,2- A>AZEPINE AND ITS SALTS | |
DE10009384A1 (en) | Process for reducing the content of an unsaturated imine in a mixture containing an imine and an amine | |
RU96105833A (en) | MULTI-FUNCTIONAL ADDITIVE TO OIL AND REFOGAZ-REFINED PRODUCTS | |
TH31625A (en) | Caprolactam preparation And hexamethylene diamine are added together. |