NL9401204A - Extractie van polyamide-6. - Google Patents

Extractie van polyamide-6. Download PDF

Info

Publication number
NL9401204A
NL9401204A NL9401204A NL9401204A NL9401204A NL 9401204 A NL9401204 A NL 9401204A NL 9401204 A NL9401204 A NL 9401204A NL 9401204 A NL9401204 A NL 9401204A NL 9401204 A NL9401204 A NL 9401204A
Authority
NL
Netherlands
Prior art keywords
extraction
polyamide
content
caprolactam
residual
Prior art date
Application number
NL9401204A
Other languages
English (en)
Dutch (nl)
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of NL9401204A publication Critical patent/NL9401204A/nl

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
    • C08G69/02—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
    • C08G69/18—Anionic polymerisation
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
NL9401204A 1993-07-22 1994-07-21 Extractie van polyamide-6. NL9401204A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934324616 DE4324616A1 (de) 1993-07-22 1993-07-22 Extraktion von Polyamid 6
DE4324616 1993-07-22

Publications (1)

Publication Number Publication Date
NL9401204A true NL9401204A (nl) 1995-02-16

Family

ID=6493446

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9401204A NL9401204A (nl) 1993-07-22 1994-07-21 Extractie van polyamide-6.

Country Status (4)

Country Link
JP (1) JPH0797443A (ja)
BE (1) BE1008569A3 (ja)
DE (1) DE4324616A1 (ja)
NL (1) NL9401204A (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19531990A1 (de) * 1995-08-30 1997-05-15 Polymer Eng Gmbh Verfahren zur kontinuierlichen Herstellung von Polyamid 6 unter Verwendung von Rücklactam
DE19531989A1 (de) * 1995-08-30 1997-05-15 Polymer Eng Gmbh Verfahren zur kontinuierlichen Herstellung eines dimerarmen Polyamid 6
DE19752182A1 (de) * 1997-11-25 1999-05-27 Basf Ag Verfahren zur kontinuierlichen Extraktion von Polyamid
DE19752183A1 (de) 1997-11-25 1999-05-27 Basf Ag Verfahren zur kontinuierlichen Extraktion von Polyamid
DE19808442A1 (de) * 1998-02-27 1999-09-02 Basf Ag Verfahren zur Extraktion von Polyamidteilchen
DE19901013A1 (de) 1999-01-13 2000-07-20 Basf Ag Verwendung von Heterogenkatalysatoren in Verfahren zur Herstellung von Polyamiden
DE10015862A1 (de) * 2000-03-30 2001-10-11 Bayer Ag Polyamidzusammensetzung und Verfahren zu ihrer Herstellung
DE10047657B4 (de) * 2000-09-26 2005-02-10 Basf Ag Verfahren zur Herstellung von Polycaprolactam, ein Polycaprolactam und dessen Verwendung
DE10146932B4 (de) * 2000-09-26 2005-03-31 Basf Aktiengesellschaft Verfahren zur Verminderung des Caprolactamgehaltes von Polyamid 6, ein Polyamid 6 und dessen Verwendung
DE10124579A1 (de) 2001-05-21 2002-12-05 Bayer Ag Verfahren und Vorrichtung zur Extraktion von Polyamid
DE102007057189A1 (de) * 2007-11-28 2009-06-04 Automatik Plastics Machinery Gmbh Verfahren und Vorrichtung zur Herstellung von Polyamid
FR2930251A1 (fr) * 2008-08-11 2009-10-23 Arkema France Procede de reduction de la teneur en oligomeres et en monomeres d'un copolyamide
EP2671902B1 (de) 2012-06-05 2018-01-03 Polymetrix AG Polyamid-konditionierung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2501348A1 (de) * 1975-01-15 1976-07-22 Basf Ag Verfahren zur herstellung von polyamiden
JPS51149397A (en) * 1975-02-12 1976-12-22 Unitika Ltd Scouring of polycaprolamide chip
JPS5371196A (en) * 1976-12-06 1978-06-24 Mitsubishi Chem Ind Ltd Preparation of purified polyamide
EP0000397A1 (de) * 1977-07-16 1979-01-24 BASF Aktiengesellschaft Verfahren zur Herstellung von Polyamiden
US4376680A (en) * 1978-12-06 1983-03-15 Snia Viscosa Societa' Nazionale Industria Applicazioni Viscosa S.P.A. Process for demonomerizing polycapronamide
DE3311260A1 (de) * 1983-03-28 1984-10-04 Basf Ag, 6700 Ludwigshafen Verfahren zum kontinuierlichen eindampfen von caprolactam und dessen oligomere enthaltenden waessrigen loesungen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2501348A1 (de) * 1975-01-15 1976-07-22 Basf Ag Verfahren zur herstellung von polyamiden
JPS51149397A (en) * 1975-02-12 1976-12-22 Unitika Ltd Scouring of polycaprolamide chip
JPS5371196A (en) * 1976-12-06 1978-06-24 Mitsubishi Chem Ind Ltd Preparation of purified polyamide
EP0000397A1 (de) * 1977-07-16 1979-01-24 BASF Aktiengesellschaft Verfahren zur Herstellung von Polyamiden
DE2732328A1 (de) * 1977-07-16 1979-02-01 Basf Ag Verfahren zur herstellung von polycaprolactam
US4376680A (en) * 1978-12-06 1983-03-15 Snia Viscosa Societa' Nazionale Industria Applicazioni Viscosa S.P.A. Process for demonomerizing polycapronamide
DE3311260A1 (de) * 1983-03-28 1984-10-04 Basf Ag, 6700 Ludwigshafen Verfahren zum kontinuierlichen eindampfen von caprolactam und dessen oligomere enthaltenden waessrigen loesungen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 7706, Derwent World Patents Index; Class A23, AN 77-10172Y *
DATABASE WPI Section Ch Week 7831, Derwent World Patents Index; Class A23, AN 78-55675A *

Also Published As

Publication number Publication date
JPH0797443A (ja) 1995-04-11
DE4324616A1 (de) 1995-01-26
BE1008569A3 (fr) 1996-06-04

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