DE68913600T2 - Kontinuierliches Verfahren zur hydrolytischen Herstellung von Polycaprolactam durch Tempern von nicht extrahiertem, gekörntem Polymer mit feuchtem Inertgas. - Google Patents

Kontinuierliches Verfahren zur hydrolytischen Herstellung von Polycaprolactam durch Tempern von nicht extrahiertem, gekörntem Polymer mit feuchtem Inertgas.

Info

Publication number
DE68913600T2
DE68913600T2 DE68913600T DE68913600T DE68913600T2 DE 68913600 T2 DE68913600 T2 DE 68913600T2 DE 68913600 T DE68913600 T DE 68913600T DE 68913600 T DE68913600 T DE 68913600T DE 68913600 T2 DE68913600 T2 DE 68913600T2
Authority
DE
Germany
Prior art keywords
polycaprolactam
annealing
extracted
inert gas
continuous process
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 - Fee Related
Application number
DE68913600T
Other languages
English (en)
Other versions
DE68913600D1 (de
Inventor
Wolfgang K Martin
James R Ryffel
Hans H Schuster
Chih-Peng Wen
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
Application granted granted Critical
Publication of DE68913600D1 publication Critical patent/DE68913600D1/de
Publication of DE68913600T2 publication Critical patent/DE68913600T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
DE68913600T 1988-06-30 1989-06-22 Kontinuierliches Verfahren zur hydrolytischen Herstellung von Polycaprolactam durch Tempern von nicht extrahiertem, gekörntem Polymer mit feuchtem Inertgas. Expired - Fee Related DE68913600T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/213,776 US4891420A (en) 1988-06-30 1988-06-30 Continuous process for the hydrolytic production of polycaprolactam by tempering unextracted granular polymer material with moist inert gas

Publications (2)

Publication Number Publication Date
DE68913600D1 DE68913600D1 (de) 1994-04-14
DE68913600T2 true DE68913600T2 (de) 1994-06-16

Family

ID=22796465

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68913600T Expired - Fee Related DE68913600T2 (de) 1988-06-30 1989-06-22 Kontinuierliches Verfahren zur hydrolytischen Herstellung von Polycaprolactam durch Tempern von nicht extrahiertem, gekörntem Polymer mit feuchtem Inertgas.

Country Status (5)

Country Link
US (1) US4891420A (de)
EP (1) EP0348821B1 (de)
JP (1) JP2798424B2 (de)
CA (1) CA1336794C (de)
DE (1) DE68913600T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1633798A1 (ru) * 1988-10-06 1994-01-15 Научно-производственное объединение "Пластмассы" Способ удаления низкомолекулярных соединений из расплава поликапроамида
DE4019780A1 (de) * 1990-06-21 1992-01-02 Basf Ag Verfahren zur kontinuierlichen herstellung von polycaprolactam mit geregeltem aminoendgruppengehalt
DE19531989A1 (de) * 1995-08-30 1997-05-15 Polymer Eng Gmbh Verfahren zur kontinuierlichen Herstellung eines dimerarmen Polyamid 6
DE69611599T2 (de) * 1995-10-27 2001-06-13 Mitsui Chemicals Inc Halbaromatische polyamidzusamensetzung und verfahren zu ihrer herstellung
DE19854421B4 (de) * 1998-11-25 2006-11-02 Ems-Inventa Ag Verfahren zur Herstellung von Polyamid-6 für Spinnzwecke
DE102005033186A1 (de) * 2005-07-13 2007-01-18 Zf Lenksysteme Gmbh Verfahren zur Herstellung von Kunststoffrormteilen und danach hergestelltes Formteil
ATE449807T1 (de) * 2006-02-08 2009-12-15 Dsm Ip Assets Bv Verfahren zur erhöhung des molekulargewichts eines polyamids
KR101645747B1 (ko) 2008-06-20 2016-08-04 바스프 에스이 폴리아미드 펠렛의 다단계 건조 및 후축합을 위한 연속식 방법
CN103080189B (zh) * 2010-09-10 2014-11-26 巴斯夫欧洲公司 生产加工稳定的聚酰胺的方法
WO2012080335A1 (de) 2010-12-17 2012-06-21 Basf Se Verfahren zur trocknung und nachkondensation von polyamidteilchen
ES2664894T3 (es) * 2012-06-05 2018-04-23 Polymetrix Ag Acondicionamiento de poliamidas
EP2682417A1 (de) 2012-07-06 2014-01-08 Basf Se Verfahren zur Reinigung von Polyamidteilchen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL252288A (de) * 1959-06-16
DE1570392A1 (de) * 1965-10-12 1970-01-29 Huels Chemische Werke Ag Verfahren zur Herstellung von Polyamidpulvern erhoehter Viskositaet
US3632558A (en) * 1967-08-08 1972-01-04 Snia Viscosa Production of spinnable polyamides exhibiting a high regularity and a high dyeability by acidic dyestuffs
GB1195813A (en) * 1968-01-13 1970-06-24 Glanzstoff Ag A process for improving the Dyeability of Polyamides
US3715340A (en) * 1971-08-19 1973-02-06 Foster Grant Co Inc Process for preparing polyamides
NL7707419A (nl) * 1976-07-06 1978-01-10 Dow Chemical Co Werkwijze voor de bereiding van een lineair polyamide.
US4366306A (en) * 1980-02-01 1982-12-28 The Dow Chemical Company Melt polymerization of ε-caprolactam
IT1155097B (it) * 1982-12-31 1987-01-21 Snia Fibre Combinazione di regolatori di peso molecolare per procedimento di polimerizzazione di caprolattame
NL8502038A (nl) * 1985-07-16 1987-02-16 Stamicarbon Werkwijze voor de bereiding van een polyamide.
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
US4891420A (en) 1990-01-02
EP0348821A3 (de) 1991-06-26
JPH02255835A (ja) 1990-10-16
JP2798424B2 (ja) 1998-09-17
EP0348821A2 (de) 1990-01-03
EP0348821B1 (de) 1994-03-09
CA1336794C (en) 1995-08-22
DE68913600D1 (de) 1994-04-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee