IE42018L - Lactam polymerisation - Google Patents

Lactam polymerisation

Info

Publication number
IE42018L
IE42018L IE752198A IE219875A IE42018L IE 42018 L IE42018 L IE 42018L IE 752198 A IE752198 A IE 752198A IE 219875 A IE219875 A IE 219875A IE 42018 L IE42018 L IE 42018L
Authority
IE
Ireland
Prior art keywords
lactam polymerisation
reactor
polymerisation
lactam
gb1523311a
Prior art date
Application number
IE752198A
Other versions
IE42018B1 (en
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 IE42018L publication Critical patent/IE42018L/en
Publication of IE42018B1 publication Critical patent/IE42018B1/en

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)

Abstract

The continuous polymerisation of caprolactams using a reactor in which the first 60% of the reactor volume is fitted, at least partly, with static mixing elements. This gives a well-mixed melt at the same time as increased throughput performance. [GB1523311A]
IE2198/75A 1974-10-09 1975-10-08 Process for the continuous polymerisation of lactams IE42018B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2448100A DE2448100C3 (en) 1974-10-09 1974-10-09 Process for continuous caprolactam polymerization

Publications (2)

Publication Number Publication Date
IE42018L true IE42018L (en) 1976-04-09
IE42018B1 IE42018B1 (en) 1980-05-21

Family

ID=5927884

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2198/75A IE42018B1 (en) 1974-10-09 1975-10-08 Process for the continuous polymerisation of lactams

Country Status (13)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2522106C3 (en) * 1975-05-17 1982-04-15 Bayer Ag, 5090 Leverkusen Device for the continuous mixing of flowable substances and method for producing a mixing insert
DE2808854C2 (en) * 1977-05-31 1986-05-28 Gebrüder Sulzer AG, 8401 Winterthur Flow channel provided with internals for a medium involved in an indirect exchange, in particular heat exchange
JPS60141245U (en) * 1984-02-29 1985-09-19 京セラ株式会社 thermal printing equipment
JPS6120757A (en) * 1984-07-09 1986-01-29 Canon Inc Thermal recording apparatus
SI2764912T1 (en) * 2013-02-08 2018-06-29 Uhde Inventa-Fischer Gmbh Reactor with vertical condensing tube and process for the polymerisation of 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 (en) *
NL125715C (en) * 1963-11-01
US3470912A (en) * 1966-11-30 1969-10-07 Du Pont Flow inverter

Also Published As

Publication number Publication date
CH625813A5 (en) 1981-10-15
NL7511814A (en) 1976-04-13
ES441583A1 (en) 1977-04-01
DE2448100B2 (en) 1980-10-09
IT1043188B (en) 1980-02-20
IE42018B1 (en) 1980-05-21
DE2448100A1 (en) 1976-07-22
DE2448100C3 (en) 1985-06-20
GB1523311A (en) 1978-08-31
FR2287464B1 (en) 1980-02-22
CA1064645A (en) 1979-10-16
FR2287464A1 (en) 1976-05-07
BE834311A (en) 1976-04-08
JPS5833245B2 (en) 1983-07-19
JPS5164598A (en) 1976-06-04
LU73537A1 (en) 1976-08-19
DK453775A (en) 1976-04-10

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