ZA200308140B - Increased volatile removal during solid phase processing of nylon 6 by temperature programming. - Google Patents

Increased volatile removal during solid phase processing of nylon 6 by temperature programming. Download PDF

Info

Publication number
ZA200308140B
ZA200308140B ZA200308140A ZA200308140A ZA200308140B ZA 200308140 B ZA200308140 B ZA 200308140B ZA 200308140 A ZA200308140 A ZA 200308140A ZA 200308140 A ZA200308140 A ZA 200308140A ZA 200308140 B ZA200308140 B ZA 200308140B
Authority
ZA
South Africa
Prior art keywords
molecular weight
temperature
nylon
polymer
caprolactam
Prior art date
Application number
ZA200308140A
Other languages
English (en)
Inventor
Albert W Alsop
David N Marks
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of ZA200308140B publication Critical patent/ZA200308140B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14Lactams
    • C08G69/16Preparatory processes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/04Preparatory processes
    • C08G69/06Solid state polycondensation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/46Post-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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Medicinal Preparation (AREA)
ZA200308140A 2001-06-01 2003-10-20 Increased volatile removal during solid phase processing of nylon 6 by temperature programming. ZA200308140B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/872,302 US6476181B1 (en) 2001-06-01 2001-06-01 Increased volatile removal during solid phase processing of nylon 6 by temperature programming

Publications (1)

Publication Number Publication Date
ZA200308140B true ZA200308140B (en) 2004-10-20

Family

ID=25359285

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200308140A ZA200308140B (en) 2001-06-01 2003-10-20 Increased volatile removal during solid phase processing of nylon 6 by temperature programming.

Country Status (19)

Country Link
US (1) US6476181B1 (zh)
EP (1) EP1392754B1 (zh)
JP (1) JP2004528468A (zh)
KR (1) KR100785984B1 (zh)
CN (1) CN1320030C (zh)
AT (1) ATE325153T1 (zh)
BR (1) BR0210090A (zh)
CA (1) CA2447511C (zh)
CZ (1) CZ297825B6 (zh)
DE (1) DE60211153T2 (zh)
EA (1) EA005084B1 (zh)
GE (1) GEP20063866B (zh)
MX (1) MXPA03010923A (zh)
MY (1) MY127297A (zh)
PL (1) PL364667A1 (zh)
SK (1) SK287490B6 (zh)
TW (1) TW577905B (zh)
WO (1) WO2002098950A1 (zh)
ZA (1) ZA200308140B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4449111B2 (ja) * 1999-08-25 2010-04-14 ダイキン工業株式会社 含フッ素共重合体の安定化方法
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
US11345815B2 (en) 2018-08-22 2022-05-31 Ascend Performance Materials Operations Llc Process and formulation for producing a polyamide having low caprolactam concentration and specific relative viscosity

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS253120B1 (en) * 1985-11-11 1987-10-15 Vladimir Kubanek Method of polyamide's granulation product depolymerization arisen by polymerization in melt and equipment for realization of this method
DE3710803A1 (de) 1987-03-31 1988-10-20 Basf Ag Verfahren zur entfernung von caprolactam und dessen oligomeren aus solches enthaltendem polyamidgranulat
DE4321683A1 (de) * 1993-06-30 1995-01-12 Basf Ag Verfahren zum kontinuierlichen Herstellen von niedermolekularen Polyamiden
DE4430480A1 (de) 1994-08-27 1996-02-29 Basf Ag Hochmolekulare Polyamide aus Nitrilen
JP3412657B2 (ja) 1994-09-08 2003-06-03 三菱瓦斯化学株式会社 ポリアミドの乾燥方法および固相重合方法
DE19510698C3 (de) * 1995-03-14 2003-02-27 Inventa Fischer Gmbh Verfahren zur Herstellung von Polyamiden
DE19531989A1 (de) * 1995-08-30 1997-05-15 Polymer Eng Gmbh Verfahren zur kontinuierlichen Herstellung eines dimerarmen Polyamid 6
IT1286041B1 (it) 1996-10-25 1998-07-07 Sinco Eng Spa Procedimento per la policondensazione allo stato solido di resine poliammidiche
DE19752183A1 (de) * 1997-11-25 1999-05-27 Basf Ag Verfahren zur kontinuierlichen Extraktion von Polyamid
DE19801267B4 (de) * 1998-01-15 2005-03-24 Inventa-Fischer Gmbh Verfahren zur Herstellung von PA-6 Granulat und dessen Verwendung
US6069228A (en) 1998-08-17 2000-05-30 E. I. Du Pont De Nemours And Company Process for preparing polyamides

Also Published As

Publication number Publication date
JP2004528468A (ja) 2004-09-16
CA2447511A1 (en) 2002-12-12
ATE325153T1 (de) 2006-06-15
GEP20063866B (en) 2006-07-10
TW577905B (en) 2004-03-01
EA200301330A1 (ru) 2004-04-29
MXPA03010923A (es) 2004-02-17
CA2447511C (en) 2009-12-08
EP1392754B1 (en) 2006-05-03
KR100785984B1 (ko) 2007-12-14
BR0210090A (pt) 2004-08-17
CN1513014A (zh) 2004-07-14
CZ297825B6 (cs) 2007-04-04
DE60211153T2 (de) 2007-02-22
EA005084B1 (ru) 2004-10-28
SK14322003A3 (sk) 2004-08-03
EP1392754A1 (en) 2004-03-03
SK287490B6 (sk) 2010-11-08
KR20040027511A (ko) 2004-04-01
CZ20033127A3 (cs) 2004-07-14
PL364667A1 (en) 2004-12-13
DE60211153D1 (de) 2006-06-08
US6476181B1 (en) 2002-11-05
MY127297A (en) 2006-11-30
WO2002098950A1 (en) 2002-12-12
CN1320030C (zh) 2007-06-06

Similar Documents

Publication Publication Date Title
US8703879B2 (en) Continuous method for multi-staged drying and subsequent condensation of a polyamide granulate
JP4838472B2 (ja) 顆粒を不活性ガス流で乾燥及び熱処理するための装置
JPH03111423A (ja) ポリエチレンナフタレートの結晶化法
DE10149474A1 (de) Steuerung der Kristallisation von Polyestern durch deren Wassergehalt
EP2712881A1 (de) Verfahren und Vorrichtung zur Direktkristallisation von Polymeren unter Inertgas
US6476181B1 (en) Increased volatile removal during solid phase processing of nylon 6 by temperature programming
KR20170008805A (ko) 니더에서의 가수분해성 중합 및 후속 처리에 의한 폴리아미드의 제조
EP0092898B2 (en) Process for remelting polyamides
KR940000489A (ko) 말레이미드-기본 코폴리머 및 그 제조방법
JPH02255835A (ja) 未抽出のポリマー粒状物質を不活性湿潤ガスを用いて熱処理することによるポリカプロラクタムを連続加水分解製造する方法
US20060147666A1 (en) Production of a polyester hollow body or its preform with a reduced acetaldehyde content
US3840500A (en) Process for the preparation of high molecular weight polyamides
JPS60184556A (ja) 熱可塑性ポリアミドとグラフトゴムとの成形用結合体
JP2000506799A (ja) ポリエチレンテレフタレート製容器の寸法安定化法
US5696227A (en) Process for the batchwise preparation of polylaurolactam
CH684697A5 (de) Verfahren zum kontinuierlichen Kristallisieren und Polykondensieren von Polyestermaterial.
US3753955A (en) Control of viscosity and polycaproamide degradation during vacuum polycondensation
US6774208B1 (en) Friction heat, cryogenic quench solid state polymerization
CN115678003B (zh) 一种高透明高韧性聚酰胺材料及其制备方法
USRE28937E (en) Control of viscosity and polycaproamide degradation during vacuum polycondensation
US20040084804A1 (en) Continuous process for the preparation of absorbable articles and the use thereof
Uda et al. Maleimide-Based Copolymer and Process for Producing It