GB1563933A - Polymerization of -caprolactam - Google Patents

Polymerization of -caprolactam Download PDF

Info

Publication number
GB1563933A
GB1563933A GB5349076A GB5349076A GB1563933A GB 1563933 A GB1563933 A GB 1563933A GB 5349076 A GB5349076 A GB 5349076A GB 5349076 A GB5349076 A GB 5349076A GB 1563933 A GB1563933 A GB 1563933A
Authority
GB
United Kingdom
Prior art keywords
temperature
caprolactam
reaction zone
content
polymerization
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
Application number
GB5349076A
Other languages
English (en)
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 SE
Original Assignee
BASF SE
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 SE filed Critical BASF SE
Publication of GB1563933A publication Critical patent/GB1563933A/en
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
GB5349076A 1975-12-24 1976-12-22 Polymerization of -caprolactam Expired GB1563933A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752558480 DE2558480C2 (de) 1975-12-24 1975-12-24 Verfahren zur Polymerisation von epsilon-Caprolactam

Publications (1)

Publication Number Publication Date
GB1563933A true GB1563933A (en) 1980-04-02

Family

ID=5965511

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5349076A Expired GB1563933A (en) 1975-12-24 1976-12-22 Polymerization of -caprolactam

Country Status (9)

Country Link
JP (1) JPS6026139B2 (ja)
BE (1) BE849851A (ja)
CA (1) CA1076743A (ja)
CH (1) CH602825A5 (ja)
DE (1) DE2558480C2 (ja)
FR (1) FR2336432A1 (ja)
GB (1) GB1563933A (ja)
IT (1) IT1067286B (ja)
NL (1) NL180431C (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10329590B2 (en) 2014-05-13 2019-06-25 Evonik Degussa Gmbh Method of producing nylon
US11124813B2 (en) 2016-07-27 2021-09-21 Evonik Operations Gmbh N-acetyl homoserine
US11174496B2 (en) 2015-12-17 2021-11-16 Evonik Operations Gmbh Genetically modified acetogenic cell

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1010373C2 (nl) 1998-10-22 2000-04-26 Dsm Nv Werkwijze voor de polymerisatie van èpsilon-caprolactam tot polyamide-6.
DE102007060705A1 (de) 2007-12-17 2009-06-18 Evonik Degussa Gmbh ω-Aminocarbonsäuren oder ihre Lactame, herstellende, rekombinante Zellen
DE102009005967A1 (de) 2009-01-23 2010-07-29 Domo Caproleuna Gmbh Licht- und wärmestabilisierte Polyamide und Verfahren zu ihrer Herstellung
KR101723700B1 (ko) 2009-06-30 2017-04-18 바스프 에스이 착색가능한 입자를 포함하는 폴리아미드 섬유 및 그의 제조 방법
DE102011104303A1 (de) 2011-06-03 2012-12-06 Basf Se Photovoltaik-System zur Installation auf Dächern mit Kunststoffträger und Photovoltaik-Modul
WO2022129022A1 (de) 2020-12-17 2022-06-23 Basf Se Selektive depolymerisation von polyamid 6 zu caprolactam aus gemischen von caprolactamhaltigen polymeren und polyurethanhaltigen polymeren, insbesondere polyurethanblockcopolymeren

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL134637C (ja) * 1961-06-21
DE1495198B2 (de) * 1964-09-17 1974-04-11 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen Herstellung von Polylactamen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10329590B2 (en) 2014-05-13 2019-06-25 Evonik Degussa Gmbh Method of producing nylon
US11174496B2 (en) 2015-12-17 2021-11-16 Evonik Operations Gmbh Genetically modified acetogenic cell
US11124813B2 (en) 2016-07-27 2021-09-21 Evonik Operations Gmbh N-acetyl homoserine

Also Published As

Publication number Publication date
IT1067286B (it) 1985-03-16
NL7614154A (nl) 1977-06-28
FR2336432B1 (ja) 1980-03-28
NL180431B (nl) 1986-09-16
JPS6026139B2 (ja) 1985-06-21
CA1076743A (en) 1980-04-29
BE849851A (fr) 1977-06-24
CH602825A5 (ja) 1978-08-15
DE2558480C2 (de) 1985-03-07
DE2558480A1 (de) 1977-07-07
JPS5280397A (en) 1977-07-06
FR2336432A1 (fr) 1977-07-22
NL180431C (nl) 1987-02-16

Similar Documents

Publication Publication Date Title
US4049638A (en) Manufacture of polylactams with initial pressures above vapor pressures of starting materials
US3721652A (en) Polymers of 2-pyrrolidone
RU2144048C1 (ru) Способ непрерывного получения полиамидов, способ получения высокомолекулярного поликапролактама и поликапролактам с молекулярным весом 3000-14000 г/моль
US4204049A (en) Hydrolytic polymerization of epsilon-caprolactam
US4354020A (en) Continuous preparation of polycaprolactam in vertical tubular reactor
US4539391A (en) Continuous hydrolytic preparation of polylactams
US5973105A (en) Process for continuously preparing a polyamide 6 with a low dimer content
GB1563933A (en) Polymerization of -caprolactam
US3193535A (en) Polymerization of aqueous solutions of polyamide-forming reactants with a continuously decreasing pressure
US2867805A (en) Process for the elimination of the unconverted polymer-forming monomers from synthetic linear polyamides
US5306804A (en) Discontinuous process for the production of a polyamide-6,6
GB1457042A (en) Preparation of nylon-6 as shaped articles of low oligomer content
US5962538A (en) Method of continuously producing polyamide 6 using recycled lactam
US3410832A (en) Process for the copol ymerization of lauric lactam and caprolactam
US5777067A (en) Method for producing polyamide resin from caprolactam
US3177181A (en) Two stage vacuum devolatilization to purify polyamides
JP3247271B2 (ja) ラウリンラクタムの加水分解による連続的な重合方法
US4297454A (en) Manufacture of a block copolymer containing a polyetheramide and a polylactam
EP1981931B1 (en) Process for increasing the molecular weight of a polyamide
US4429107A (en) Continuous preparation of polycaprolactam wherein constant composition is maintained
US2805214A (en) Polymerization of lactam with mixed catalyst
US3840500A (en) Process for the preparation of high molecular weight polyamides
US5149759A (en) Process for preparing aromatic polyamides of high hydrolysis resistance with controlled water content of diamine
US3502624A (en) Preparation of diamine-dicarboxylic acid salts for polycarbonamides
KR20010080238A (ko) ε-카프로락탐을 폴리아미드-6으로 중합하는 방법

Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19961221