ZA200308138B - Process for converting caprolactam to nylon 6. - Google Patents
Process for converting caprolactam to nylon 6. Download PDFInfo
- Publication number
- ZA200308138B ZA200308138B ZA200308138A ZA200308138A ZA200308138B ZA 200308138 B ZA200308138 B ZA 200308138B ZA 200308138 A ZA200308138 A ZA 200308138A ZA 200308138 A ZA200308138 A ZA 200308138A ZA 200308138 B ZA200308138 B ZA 200308138B
- Authority
- ZA
- South Africa
- Prior art keywords
- column
- stage
- caprolactam
- reactor
- pressure
- Prior art date
Links
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title claims description 94
- 238000000034 method Methods 0.000 title claims description 24
- 229920002292 Nylon 6 Polymers 0.000 title claims description 18
- 239000007788 liquid Substances 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000000066 reactive distillation Methods 0.000 claims description 9
- 239000007795 chemical reaction product Substances 0.000 claims description 7
- SLXKOJJOQWFEFD-UHFFFAOYSA-N 6-aminohexanoic acid Chemical compound NCCCCCC(O)=O SLXKOJJOQWFEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229960002684 aminocaproic acid Drugs 0.000 claims description 4
- 239000000047 product Substances 0.000 description 17
- 239000011541 reaction mixture Substances 0.000 description 15
- 238000002156 mixing Methods 0.000 description 14
- 238000012546 transfer Methods 0.000 description 12
- 239000004952 Polyamide Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 229920002647 polyamide Polymers 0.000 description 8
- 239000012632 extractable Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 238000013178 mathematical model Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 238000010793 Steam injection (oil industry) Methods 0.000 description 2
- 238000007259 addition reaction Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- KBMSFJFLSXLIDJ-UHFFFAOYSA-N 6-aminohexanenitrile Chemical compound NCCCCCC#N KBMSFJFLSXLIDJ-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- -1 caprolactam Chemical class 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/04—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/872,288 US6479620B1 (en) | 2001-06-01 | 2001-06-01 | Process for converting caprolactam to nylon 6 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200308138B true ZA200308138B (en) | 2004-10-20 |
Family
ID=25359256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200308138A ZA200308138B (en) | 2001-06-01 | 2003-10-20 | Process for converting caprolactam to nylon 6. |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US6479620B1 (xx) |
| EP (1) | EP1392758B1 (xx) |
| JP (1) | JP3984224B2 (xx) |
| KR (1) | KR100785985B1 (xx) |
| CN (1) | CN1249124C (xx) |
| BR (1) | BR0210053B1 (xx) |
| CA (1) | CA2447492C (xx) |
| CZ (1) | CZ297824B6 (xx) |
| DE (1) | DE60209746T2 (xx) |
| EA (1) | EA004901B1 (xx) |
| GE (1) | GEP20063776B (xx) |
| MX (1) | MXPA03010922A (xx) |
| MY (1) | MY127581A (xx) |
| PL (1) | PL364555A1 (xx) |
| SK (1) | SK14282003A3 (xx) |
| TW (1) | TWI254723B (xx) |
| WO (1) | WO2002102876A2 (xx) |
| ZA (1) | ZA200308138B (xx) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10313681A1 (de) * | 2003-03-26 | 2004-10-07 | Basf Ag | Verfahren zur Herstellung von Polyamiden |
| BRPI0602511A (pt) * | 2006-07-05 | 2008-02-26 | Etruria Ind De Fibras E Fios S | reator e processo para produção de biodiesel |
| US8501898B2 (en) * | 2010-02-11 | 2013-08-06 | Basf Se | Method of forming a polyamide |
| US9115080B2 (en) * | 2010-06-16 | 2015-08-25 | Olan S. Fruchey | Processes for producing caprolactam and derivatives thereof from fermentation broths containing diammonium adipate or monoammonium adipate |
| US9073867B2 (en) | 2011-04-09 | 2015-07-07 | Amyris, Inc. | Process for preparing caprolactam and polyamides therefrom |
| US8946411B2 (en) | 2012-02-23 | 2015-02-03 | Rennovia, Inc. | Production of caprolactam from adipic acid |
| PL2727637T3 (pl) * | 2012-11-06 | 2020-02-28 | Uhde Inventa-Fischer Gmbh | Reaktor ekstrakcyjny oraz sposób ekstrakcji materiału granulowanego |
| US9708271B2 (en) | 2012-11-06 | 2017-07-18 | Uhde Inventa-Fischer Gmbh | Extraction reactor and also method for extraction from granular material |
| EP2784102B1 (de) * | 2013-03-26 | 2015-12-09 | Uhde Inventa-Fischer GmbH | Verfahren und Vorrichtung zur kontinuierlichen Rückführung von Extraktwässern im Polyamidherstellungsprozess |
| EP3060597A4 (en) | 2013-10-22 | 2017-06-14 | Empire Technology Development LLC | Compounds and methods for producing nylon 6 |
| US9988491B2 (en) | 2013-10-22 | 2018-06-05 | Empire Technology Development Llc | Methods and compounds for producing nylon 6,6 |
| CN105658616A (zh) | 2013-10-25 | 2016-06-08 | 英派尔科技开发有限公司 | 产生二羰基化合物的方法 |
| GB201320520D0 (en) * | 2013-11-20 | 2014-01-01 | Invista Tech Sarl | Continuous polyamidation process - I |
| GB201320518D0 (en) | 2013-11-20 | 2014-01-01 | Invista Tech Sarl | Continuous polyamidation process - II |
| CN104213240A (zh) * | 2014-09-18 | 2014-12-17 | 海安县华荣化纤有限公司 | 一种耐热抗氧化的尼龙6化纤的制备方法 |
| CN111330304A (zh) * | 2020-03-13 | 2020-06-26 | 大连海新工程技术有限公司 | 一种锦纶6聚合工艺中部分冷凝器的冷却系统及其工艺 |
| US20220132892A1 (en) * | 2020-10-30 | 2022-05-05 | Illinois Tool Works Inc. | Food thawing cabinet and related methods |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1313592A (en) * | 1970-04-28 | 1973-04-11 | Toray Industries | Method and apparatus of a continuous polymerization |
| US3813366A (en) * | 1973-03-21 | 1974-05-28 | Allied Chem | Method to prepare nylon 6 prepolymer providing a final shaped article of low oligomer content |
| DE2821686A1 (de) * | 1978-05-18 | 1979-11-22 | Bayer Ag | Verfahren zur herstellung von monomer- und dimerarmen polyamiden |
| DE2918828A1 (de) * | 1979-05-10 | 1980-11-20 | Basf Ag | Verfahren zur kontinuierlichen herstellung von polycaprolactam sowie eine vorrichtung zur durchfuehrung des verfahrens |
| US4310659A (en) * | 1980-04-21 | 1982-01-12 | Allied Corporation | Two-stage hydrolysis process for the preparation of nylon 6 |
| DE3134716A1 (de) * | 1981-09-02 | 1983-03-10 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen herstellung von polycaprolactam |
| DE3710803A1 (de) * | 1987-03-31 | 1988-10-20 | Basf Ag | Verfahren zur entfernung von caprolactam und dessen oligomeren aus solches enthaltendem polyamidgranulat |
| DE3732170C1 (de) * | 1987-09-24 | 1989-02-16 | Bayer Ag | Verfahren zur kontinuierlichen Extraktion von Polyamiden sowie dafuer geeignetes Extraktionsrohr |
| JP2530780B2 (ja) * | 1991-08-22 | 1996-09-04 | 宇部興産株式会社 | ラウロラクタムの連続重合方法及びその装置 |
| US5223183A (en) * | 1992-04-02 | 1993-06-29 | Uop | Baffled downcomer fractionation tray |
| US6093488A (en) * | 1993-12-03 | 2000-07-25 | General Electric Company | Non-woven ceiling panels of formed thermoplastic compositions |
| KR100516986B1 (ko) * | 1997-02-19 | 2005-09-26 | 코닌클리즈케 디에스엠 엔.브이. | 6-아미노카프론산 유도체를 과열 수증기와 접촉시킴으로써 촉매 없이 카프로락탐을 제조하는 방법 |
| DE19752182A1 (de) * | 1997-11-25 | 1999-05-27 | Basf Ag | Verfahren zur kontinuierlichen Extraktion von Polyamid |
| WO2000024808A1 (en) | 1998-10-26 | 2000-05-04 | E.I. Du Pont De Nemours And Company | Continuous polymerization process for preparing polyamides from omega-aminonitriles |
-
2001
- 2001-06-01 US US09/872,288 patent/US6479620B1/en not_active Expired - Lifetime
-
2002
- 2002-05-24 TW TW091111076A patent/TWI254723B/zh not_active IP Right Cessation
- 2002-05-29 MX MXPA03010922A patent/MXPA03010922A/es active IP Right Grant
- 2002-05-29 CN CNB028110773A patent/CN1249124C/zh not_active Expired - Fee Related
- 2002-05-29 CA CA002447492A patent/CA2447492C/en not_active Expired - Fee Related
- 2002-05-29 KR KR1020037015552A patent/KR100785985B1/ko not_active IP Right Cessation
- 2002-05-29 JP JP2003506345A patent/JP3984224B2/ja not_active Expired - Fee Related
- 2002-05-29 GE GE5404A patent/GEP20063776B/en unknown
- 2002-05-29 BR BRPI0210053-3A patent/BR0210053B1/pt not_active IP Right Cessation
- 2002-05-29 SK SK1428-2003A patent/SK14282003A3/sk unknown
- 2002-05-29 PL PL02364555A patent/PL364555A1/xx not_active Application Discontinuation
- 2002-05-29 CZ CZ20033072A patent/CZ297824B6/cs not_active IP Right Cessation
- 2002-05-29 EA EA200301327A patent/EA004901B1/ru not_active IP Right Cessation
- 2002-05-29 DE DE60209746T patent/DE60209746T2/de not_active Expired - Lifetime
- 2002-05-29 WO PCT/US2002/021072 patent/WO2002102876A2/en active IP Right Grant
- 2002-05-29 EP EP02756371A patent/EP1392758B1/en not_active Expired - Lifetime
- 2002-05-31 MY MYPI20022029A patent/MY127581A/en unknown
-
2003
- 2003-10-20 ZA ZA200308138A patent/ZA200308138B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US6479620B1 (en) | 2002-11-12 |
| SK14282003A3 (sk) | 2004-07-07 |
| EA200301327A1 (ru) | 2004-04-29 |
| KR100785985B1 (ko) | 2007-12-14 |
| BR0210053A (pt) | 2004-08-17 |
| JP3984224B2 (ja) | 2007-10-03 |
| MY127581A (en) | 2006-12-29 |
| CA2447492C (en) | 2009-12-08 |
| MXPA03010922A (es) | 2004-02-17 |
| DE60209746T2 (de) | 2006-11-09 |
| DE60209746D1 (de) | 2006-05-04 |
| EP1392758A2 (en) | 2004-03-03 |
| EP1392758B1 (en) | 2006-03-08 |
| US20020183478A1 (en) | 2002-12-05 |
| KR20040011518A (ko) | 2004-02-05 |
| EA004901B1 (ru) | 2004-08-26 |
| CN1513015A (zh) | 2004-07-14 |
| JP2004531619A (ja) | 2004-10-14 |
| TWI254723B (en) | 2006-05-11 |
| BR0210053B1 (pt) | 2011-05-31 |
| CN1249124C (zh) | 2006-04-05 |
| GEP20063776B (en) | 2006-03-27 |
| CZ297824B6 (cs) | 2007-04-04 |
| WO2002102876A3 (en) | 2003-05-01 |
| WO2002102876A2 (en) | 2002-12-27 |
| CZ20033072A3 (cs) | 2004-05-12 |
| PL364555A1 (en) | 2004-12-13 |
| CA2447492A1 (en) | 2002-12-27 |
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