CA2038791A1 - Recyclage de compositions constantes d'eau de lavage de polymerisation de nylon 6 - Google Patents

Recyclage de compositions constantes d'eau de lavage de polymerisation de nylon 6

Info

Publication number
CA2038791A1
CA2038791A1 CA2038791A CA2038791A CA2038791A1 CA 2038791 A1 CA2038791 A1 CA 2038791A1 CA 2038791 A CA2038791 A CA 2038791A CA 2038791 A CA2038791 A CA 2038791A CA 2038791 A1 CA2038791 A1 CA 2038791A1
Authority
CA
Canada
Prior art keywords
nylon
polymerization
wash water
constant composition
concentration
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.)
Granted
Application number
CA2038791A
Other languages
English (en)
Other versions
CA2038791C (fr
Inventor
Jack A. Dellinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Corp
Original Assignee
BASF Corp
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 BASF Corp filed Critical BASF Corp
Publication of CA2038791A1 publication Critical patent/CA2038791A1/fr
Application granted granted Critical
Publication of CA2038791C publication Critical patent/CA2038791C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • 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
    • C08G69/46—Post-polymerisation treatment
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
CA002038791A 1990-06-01 1991-03-21 Recyclage de compositions constantes d'eau de lavage de polymerisation de nylon 6 Expired - Lifetime CA2038791C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/531,976 US5077381A (en) 1990-06-01 1990-06-01 Constant compositioin recycle of nylon 6 polymerization wash water
US07/531,976 1990-06-01

Publications (2)

Publication Number Publication Date
CA2038791A1 true CA2038791A1 (fr) 1991-12-02
CA2038791C CA2038791C (fr) 1996-07-09

Family

ID=24119870

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002038791A Expired - Lifetime CA2038791C (fr) 1990-06-01 1991-03-21 Recyclage de compositions constantes d'eau de lavage de polymerisation de nylon 6

Country Status (6)

Country Link
US (1) US5077381A (fr)
EP (1) EP0459206B1 (fr)
CA (1) CA2038791C (fr)
DE (1) DE69116431T2 (fr)
ES (1) ES2082038T4 (fr)
MX (1) MX170664B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218080A (en) * 1990-06-01 1993-06-08 Basf Corporation Constant composition recycle of nylon 6 polymerization wash water
DE19519819A1 (de) * 1995-05-31 1996-12-05 Bayer Ag Verfahren zur Wiederverwertung von wäßrigen Extraktlösungen, die bei der Herstellung von PA 6 oder Copolyamiden anfallen
JPH09188758A (ja) * 1995-11-06 1997-07-22 Mitsubishi Chem Corp カプロラクタムよりポリアミド樹脂を製造する方法
DE19752181A1 (de) 1997-11-25 1999-05-27 Basf Ag Verfahren zur Herstellung von Polyamiden
DE19753377B4 (de) * 1997-12-02 2008-07-10 Lurgi Zimmer Gmbh Verfahren zur Herstellung von ε-Caprolactam aus Extraktwasser der PA-6-Synthese
DE19804020A1 (de) * 1998-02-02 1999-08-05 Basf Ag Verfahren zur Herstellung von Polyamiden aus Aminonitrilen
NL1010161C2 (nl) * 1998-09-23 2000-03-24 Dsm Nv Proces voor de productie van polyamide-6 uitgaande èpsilon-caprolactam.
FR2794465B1 (fr) * 1999-05-21 2001-08-24 Atofina Polyamides hydrodispersibles a insaturations ethyleniques aux extremites
DE19925906A1 (de) 1999-06-07 2000-12-14 Basf Ag Verfahren zur Herstellung von Polyamiden aus Lactamen und Polyamid-Extrakten
DE10124580A1 (de) * 2001-05-21 2002-12-05 Bayer Ag Verfahren zur Behandlung von Oligoamiden und zur Herstellung von Polyamid
DE502007006056D1 (de) 2006-10-24 2011-02-03 Basf Se Verwendung von wendelrohrverdampfern bei der herstellung von polyamiden
DE102008044452A1 (de) 2008-08-19 2010-02-25 Lurgi Zimmer Gmbh Kontinuierliches Verfahren zur Extraktion von Polyamid-6
PL2725051T3 (pl) * 2012-10-23 2015-08-31 Uhde Inventa Fischer Gmbh Ciągły sposób wytwarzania poliamidu 6 i urządzenia do tego celu
SI2725052T1 (sl) * 2012-10-23 2019-06-28 Uhde Inventa-Fischer Gmbh Repolimerizacijska naprava
PL2784102T3 (pl) * 2013-03-26 2016-06-30 Uhde Inventa Fischer Gmbh Sposób i urządzenie do ciągłej recyrkulacji wód ekstrakcyjnych w procesie produkcji poliamidu
CN116078335B (zh) * 2023-04-11 2023-07-21 长盛(廊坊)科技有限公司 一种稳定回收单体浓度的装置及方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2501348B2 (de) * 1975-01-15 1981-04-09 Basf Ag, 6700 Ludwigshafen Kontinuierliches Verfahren zur Herstellung von Polyamiden aus epsilon-Caprolactam
DE2821686A1 (de) * 1978-05-18 1979-11-22 Bayer Ag Verfahren zur herstellung von monomer- und dimerarmen polyamiden
US4310659A (en) * 1980-04-21 1982-01-12 Allied Corporation Two-stage hydrolysis process for the preparation of nylon 6
JPS57189493A (en) * 1981-05-15 1982-11-20 Matsushita Electric Ind Co Ltd High frequency heater
DE3134716A1 (de) * 1981-09-02 1983-03-10 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen herstellung von polycaprolactam
DE3311260A1 (de) * 1983-03-28 1984-10-04 Basf Ag, 6700 Ludwigshafen Verfahren zum kontinuierlichen eindampfen von caprolactam und dessen oligomere enthaltenden waessrigen loesungen
DE3321581A1 (de) * 1983-06-15 1984-12-20 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen herstellung von polyamiden
EP0137884B1 (fr) * 1983-10-07 1988-08-03 Karl Fischer Industrieanlagen Gmbh Procédé, en continu d'extraction des monomères résiduels et de postpolymérisation de polyamide 6 et dispositif pour cette préparation
DE3710803A1 (de) * 1987-03-31 1988-10-20 Basf Ag Verfahren zur entfernung von caprolactam und dessen oligomeren aus solches enthaltendem polyamidgranulat

Also Published As

Publication number Publication date
US5077381A (en) 1991-12-31
CA2038791C (fr) 1996-07-09
ES2082038T4 (es) 1998-04-16
ES2082038T3 (es) 1996-03-16
DE69116431D1 (de) 1996-02-29
DE69116431T2 (de) 1996-06-05
EP0459206A1 (fr) 1991-12-04
MX170664B (es) 1993-09-03
EP0459206B1 (fr) 1996-01-17

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Legal Events

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EEER Examination request
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