CH625813A5 - Process for the continuous polymerisation of lactams - Google Patents

Process for the continuous polymerisation of lactams Download PDF

Info

Publication number
CH625813A5
CH625813A5 CH1288075A CH1288075A CH625813A5 CH 625813 A5 CH625813 A5 CH 625813A5 CH 1288075 A CH1288075 A CH 1288075A CH 1288075 A CH1288075 A CH 1288075A CH 625813 A5 CH625813 A5 CH 625813A5
Authority
CH
Switzerland
Prior art keywords
webs
reactor
tube
mixing
plates
Prior art date
Application number
CH1288075A
Other languages
German (de)
English (en)
Inventor
Karlheinz Feltgen
Hans Joachim Kaluza
Edgar Muschelknautz
Hans Juergen Simon
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 CH625813A5 publication Critical patent/CH625813A5/de

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4316—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod
    • B01F25/43161—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod composed of consecutive sections of flat pieces of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2455—Stationary reactors without moving elements inside provoking a loop type movement of the reactants
    • B01J19/246—Stationary reactors without moving elements inside provoking a loop type movement of the reactants internally, i.e. the mixture circulating inside the vessel such that the upward stream is separated physically from the downward stream(s)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00085—Plates; Jackets; Cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00159—Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/185—Details relating to the spatial orientation of the reactor vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19—Details relating to the geometry of the reactor
    • B01J2219/194—Details relating to the geometry of the reactor round
    • B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1943—Details relating to the geometry of the reactor round circular or disk-shaped cylindrical

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyamides (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1288075A 1974-10-09 1975-10-03 Process for the continuous polymerisation of lactams CH625813A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2448100A DE2448100C3 (de) 1974-10-09 1974-10-09 Verfahren zur kontinuierlichen Caprolactampolymerisation

Publications (1)

Publication Number Publication Date
CH625813A5 true CH625813A5 (en) 1981-10-15

Family

ID=5927884

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1288075A CH625813A5 (en) 1974-10-09 1975-10-03 Process for the continuous polymerisation of lactams

Country Status (13)

Country Link
JP (1) JPS5833245B2 (da)
BE (1) BE834311A (da)
CA (1) CA1064645A (da)
CH (1) CH625813A5 (da)
DE (1) DE2448100C3 (da)
DK (1) DK453775A (da)
ES (1) ES441583A1 (da)
FR (1) FR2287464A1 (da)
GB (1) GB1523311A (da)
IE (1) IE42018B1 (da)
IT (1) IT1043188B (da)
LU (1) LU73537A1 (da)
NL (1) NL7511814A (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2522106C3 (de) * 1975-05-17 1982-04-15 Bayer Ag, 5090 Leverkusen Vorrichtung zum kontinuierlichen Mischen fließfähiger Stoffe und Verfahren zum Herstellen eines Mischeinsatzes
DE2808854C2 (de) * 1977-05-31 1986-05-28 Gebrüder Sulzer AG, 8401 Winterthur Mit Einbauten versehener Strömungskanal für ein an einem indirekten Austausch, insbesondere Wärmeaustausch, beteiligtes Medium
JPS60141245U (ja) * 1984-02-29 1985-09-19 京セラ株式会社 熱印刷装置
JPS6120757A (ja) * 1984-07-09 1986-01-29 Canon Inc 熱式記録装置
SI2764912T1 (en) * 2013-02-08 2018-06-29 Uhde Inventa-Fischer Gmbh A vertical condensing tube reactor and a polymerization process for polyamides in such a reactor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD49346A (da) *
NL125715C (da) * 1963-11-01
US3470912A (en) * 1966-11-30 1969-10-07 Du Pont Flow inverter

Also Published As

Publication number Publication date
IE42018L (en) 1976-04-09
NL7511814A (nl) 1976-04-13
ES441583A1 (es) 1977-04-01
DE2448100B2 (de) 1980-10-09
IT1043188B (it) 1980-02-20
IE42018B1 (en) 1980-05-21
DE2448100A1 (de) 1976-07-22
DE2448100C3 (de) 1985-06-20
GB1523311A (en) 1978-08-31
FR2287464B1 (da) 1980-02-22
CA1064645A (en) 1979-10-16
FR2287464A1 (fr) 1976-05-07
BE834311A (fr) 1976-04-08
JPS5833245B2 (ja) 1983-07-19
JPS5164598A (en) 1976-06-04
LU73537A1 (da) 1976-08-19
DK453775A (da) 1976-04-10

Similar Documents

Publication Publication Date Title
EP2851118B1 (de) Vorrichtung zum Mischen und zum Wärmetausch und Verfahren zu seiner Herstellung
EP1967806B1 (de) Vorrichtung zur wärmetauschenden und mischenden Behandlung von fluiden Medien
EP1426099B1 (de) Statischer Mischer und Verfahren
EP0996498B1 (de) Kontinuierlicher, chaotischer konvektionsmischer, -wärmeaustauscher und -reaktor
DE2522106C3 (de) Vorrichtung zum kontinuierlichen Mischen fließfähiger Stoffe und Verfahren zum Herstellen eines Mischeinsatzes
DE112004001604B4 (de) Dreidimensionale quer angeordnete Umlenkeinrichtung als inneres Element in einem Rohr, einem Fass oder einem Turm
DE10019759A1 (de) Statisches Mischsystem
CH643467A5 (de) Mischer, enthaltend mindestens einen einsatz, welcher mindestens zwei sich kreuzende scharen von kanaelen enthaelt.
WO2016131786A1 (de) Rohrbündelwärmeübertrager
CH625813A5 (en) Process for the continuous polymerisation of lactams
DE3214143C2 (da)
DE2447369A1 (de) Verfahren und vorrichtung zum einmischen von niedrigviskosen fluessigkeiten in hochviskose medien
EP3966513B1 (de) Rohrbündel-wärmeübertrager mit baugruppen/einbauelementen aus umlenkflächen und leitstegen
DE2603615A1 (de) Verfahren und vorrichtung zur buendelung von kunststoffgitter-roehren
DE1542151C3 (de) Wischer für Dünnschichtreaktions- oder -verdampf errohr
CH615839A5 (en) Static mixer
EP3822569B1 (de) Wärmetauscher
EP3338882A1 (de) Mischelement mit hoher festigkeit und mischwirkung
DD259737A3 (de) Nichtmetallische kolonnenpackung zur kontaktierung fluider phasen
EP2069703A1 (de) Wärmetauscher
DE2947163C2 (de) Verfahren und Vorrichtung zum kontinuierlichen Abkühlen von auf hohe Temperaturen erwärmten Drähten
DE477856C (de) Waermeaustauschvorrichtung, insbesondere zur Erhitzung von Luft
EP4089357A1 (de) Wärmetauscher
EP3907461A1 (de) Baugruppen/einbauelemente aus umlenkflächen mit trennstegen für den einbau in rohre/kanäle oder in den mantelraum von rohrbündel-wärmetauschem
DD205076A1 (de) Kontaktiereinrichtung zum kontinuierlichen statischen mischen und verteilen fliessfaehiger stoffe

Legal Events

Date Code Title Description
PL Patent ceased