HUP0105495A2 - Method for producing polyamide 6 of a low extract content, high viscosity stability and low remonomerization rate - Google Patents

Method for producing polyamide 6 of a low extract content, high viscosity stability and low remonomerization rate

Info

Publication number
HUP0105495A2
HUP0105495A2 HU0105495A HUP0105495A HUP0105495A2 HU P0105495 A2 HUP0105495 A2 HU P0105495A2 HU 0105495 A HU0105495 A HU 0105495A HU P0105495 A HUP0105495 A HU P0105495A HU P0105495 A2 HUP0105495 A2 HU P0105495A2
Authority
HU
Hungary
Prior art keywords
pressure
low
bar
water
remonomerization
Prior art date
Application number
HU0105495A
Other languages
English (en)
Inventor
Volker Hildebrandt
Ralf Mohrschladt
Motonori Yamamoto
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of HUP0105495A2 publication Critical patent/HUP0105495A2/hu

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
    • C08G69/04—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

Abstract

A találmány tárgya folytonos eljárás poliamidok előállítására legalábbegy amino-nitrilnek vízzel végzett reagáltatása útján, amely akövetkező lépésekből áll: (10) legalább egy amino-nitrilt vízzelreagáltatnak 200-290 °C hőmérsékleten, 40-70 bar nyomáson egy Brönstedsavkatalizátort, mint b-zeolitot, lemezes szilikátot vagy fémoxidkatalizátort tartalmazó, áramoltató csőben, (11) az (1) lépésbőlszármazó reakcióelegyet egy első elválasztó zónában diabatikusan vagyadiabatikusan 20-40 bar nyomásra expandáltatják, ahol a nyomáslegalább 10 bar-ral alacsonyabb, mint az (1) lépésben és 220-290 °Chőmérsékletre <flash<-elpárologtatással és ammónia, víz, valamintamino-nitril monomer vagy oligomer eltávolítással, (12) a (2) lépésbőlszármazó reakcióelegyet víz jelenlétében 200-290 °C hőmérsékleten és25-55 bar nyomáson, valamint Brönsted savkatalizátor mint b-zeolit,lemezes szilikát vagy fémoxid jelen- vagy távollétében továbbreagáltatják, (13) a (3) lépésből származó reakcióelegyet egy másodikelválasztó zónában 0,01-20 bar nyomáson expandáltatják <flash<-elpárologtatással, ahol a nyomás legalább 20 bar-ral alacsonyabb, minta (3) lépésben alkalmazott nyomás 290 °C hőmérsékleten és ammóniát,vizet és amino-nitril monomert vagy oligomert távolítanak el. Ó
HU0105495A 1999-02-11 1999-02-11 Method for producing polyamide 6 of a low extract content, high viscosity stability and low remonomerization rate HUP0105495A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19905754A DE19905754A1 (de) 1999-02-11 1999-02-11 Verfahren zur Herstellung von Polyamid 6 mit geringem Extraktgehalt, hoher Viskositätsstabilität und kleiner Remonomerisierungsrate

Publications (1)

Publication Number Publication Date
HUP0105495A2 true HUP0105495A2 (en) 2002-05-29

Family

ID=7897207

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0105495A HUP0105495A2 (en) 1999-02-11 1999-02-11 Method for producing polyamide 6 of a low extract content, high viscosity stability and low remonomerization rate

Country Status (23)

Country Link
US (1) US6525167B1 (hu)
EP (1) EP1165660B1 (hu)
JP (1) JP3428584B2 (hu)
KR (1) KR20010102034A (hu)
CN (1) CN1175026C (hu)
AR (1) AR022564A1 (hu)
AT (1) ATE229047T1 (hu)
AU (1) AU3279800A (hu)
BG (1) BG105809A (hu)
BR (1) BR0008116A (hu)
CA (1) CA2362510A1 (hu)
CZ (1) CZ20012883A3 (hu)
DE (2) DE19905754A1 (hu)
ES (1) ES2188514T3 (hu)
HU (1) HUP0105495A2 (hu)
ID (1) ID30049A (hu)
IL (1) IL144522A0 (hu)
MY (1) MY133350A (hu)
PL (1) PL350053A1 (hu)
SK (1) SK10962001A3 (hu)
TR (1) TR200102317T2 (hu)
WO (1) WO2000047651A1 (hu)
ZA (1) ZA200106583B (hu)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19962573A1 (de) * 1999-12-23 2001-07-05 Basf Ag Verfahren zur Herstellung von Polyamiden
DE10021191A1 (de) * 2000-05-03 2001-11-08 Basf Ag Verfahren zur Herstellung eines Polymers unter Verwendung von Caprolactam
DE10047657B4 (de) * 2000-09-26 2005-02-10 Basf Ag Verfahren zur Herstellung von Polycaprolactam, ein Polycaprolactam und dessen Verwendung
DE10251798A1 (de) * 2002-11-07 2004-05-19 Bayer Ag Verfahren zur Herstellung von Polyamid 6 mit geringem Dimergehalt
US6875838B2 (en) * 2003-04-28 2005-04-05 Invista North Americal S.A.R.L. Process for reducing caprolactam and its oligomers in nylon-6 pre-polymer
US20100227973A1 (en) * 2009-03-06 2010-09-09 Honeywell International Inc. Low viscosity polyamides
US9371440B2 (en) 2010-04-14 2016-06-21 Wingspeed Ag Method for producing modified polyamide 6
ES2564676T3 (es) * 2013-03-26 2016-03-28 Uhde Inventa-Fischer Gmbh Procedimiento y dispositivo para la devolución continua de aguas de extracción en el proceso de preparación de poliamida
CN107619476B (zh) * 2017-10-27 2020-11-24 万华化学集团股份有限公司 一种十二内酰胺的聚合方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2245129A (en) * 1935-01-02 1941-06-10 Du Pont Process for preparing linear polyamides
US4568736A (en) * 1984-09-17 1986-02-04 The Standard Oil Company Preparation of polyamide from omega-aminonitrile with oxygen containing phosphorus catalyst
EP0922065B1 (de) * 1996-08-30 2002-11-20 Basf Aktiengesellschaft Verfahren zur herstellung von polyamiden aus aminonitrilen
DE19804020A1 (de) * 1998-02-02 1999-08-05 Basf Ag Verfahren zur Herstellung von Polyamiden aus Aminonitrilen
DE19804033A1 (de) * 1998-02-02 1999-08-05 Basf Ag Kontinuierliches Verfahren zur Herstellung von Polyamiden aus Aminonitrilen
DE19808442A1 (de) * 1998-02-27 1999-09-02 Basf Ag Verfahren zur Extraktion von Polyamidteilchen
DE19808407A1 (de) * 1998-02-27 1999-09-09 Basf Ag Herstellung von Polyamiden durch Reaktivdestillation
DE19808490A1 (de) * 1998-02-27 1999-09-02 Basf Ag Verfahren zur Herstellung von Polyamiden aus Aminocarbonsäureverbindungen

Also Published As

Publication number Publication date
KR20010102034A (ko) 2001-11-15
CZ20012883A3 (cs) 2001-12-12
DE19905754A1 (de) 2000-08-17
BR0008116A (pt) 2001-11-06
MY133350A (en) 2007-11-30
ZA200106583B (en) 2002-08-12
TR200102317T2 (tr) 2001-12-21
US6525167B1 (en) 2003-02-25
EP1165660A1 (de) 2002-01-02
CN1340073A (zh) 2002-03-13
ATE229047T1 (de) 2002-12-15
EP1165660B1 (de) 2002-12-04
AR022564A1 (es) 2002-09-04
SK10962001A3 (sk) 2002-04-04
JP2002536517A (ja) 2002-10-29
PL350053A1 (en) 2002-11-04
CA2362510A1 (en) 2000-08-17
ES2188514T3 (es) 2003-07-01
BG105809A (bg) 2002-03-29
ID30049A (id) 2001-11-01
IL144522A0 (en) 2002-05-23
DE50000872D1 (de) 2003-01-16
JP3428584B2 (ja) 2003-07-22
AU3279800A (en) 2000-08-29
CN1175026C (zh) 2004-11-10
WO2000047651A1 (de) 2000-08-17

Similar Documents

Publication Publication Date Title
HUP0105495A2 (en) Method for producing polyamide 6 of a low extract content, high viscosity stability and low remonomerization rate
EP3224223B1 (en) Method and plant for producing urea-ammonium nitrate (uan)
EP2086879A1 (de) Verfahren zur herstellung von trichlorsilan
ATE277882T1 (de) Herstellung von kaliumformat
US20100324299A1 (en) Method for purification of pyridine, and method for production of chlorinated pyridine
KR20060110360A (ko) 고농도 포름알데히드 용액의 제조 방법
JPH10279545A (ja) Ｎ，ｎ−ジメチルアクリルアミドの製造法
JP4391013B2 (ja) 略無水媒体中のクロロホルム中でシクロドデカンを光ニトロソ化する方法
MY134163A (en) Method for the production of polyamides
CN108947868B (zh) 一种2，4-二氟苯腈的制备工艺
JP2007500198A (ja) カプロラクタムを調製するための連続法
JPS61200103A (ja) ホフマン分解されたアクリルアミド系ポリマ−の製法
JPS5838242A (ja) Ｎ−置換メタクリルアミド及びアクリルアミドの製造方法
US3734998A (en) Process for the production of hydrazoic acid
US4542240A (en) Process for the production of guanidine hydrochloride
CN114380688B (zh) 一种酸敏感光刻胶树脂单体的制备方法
TWI311989B (en) Process for distilling alkaline caprolactam product at reduced pressure
JP3584324B2 (ja) シクロアルカノンオキシムからラクタムを製造する方法
US6706934B2 (en) Method for producing 2,3,4,5-tetrachlorobenzotrifluoride
HK1081966A1 (en) Process for the production of n-(2,6-dimethyl-phenyl)-2-piperazin-1-yl-acetamide
RU2129114C1 (ru) Способ получения третичного бутилхлорида
US4388251A (en) Method for preparing 2-chlorobenzoyl chloride
JPS62178548A (ja) ３−クロロ−４−イソプロピルアニリンの製造方法
JP2005504056A5 (hu)
US6238638B1 (en) Process for the preparation of nitrosyl chloride

Legal Events

Date Code Title Description
FA9A Lapse of provisional patent protection due to relinquishment or protection considered relinquished