IT1040006B - Processo e apparecchio per la preparazione di dispersioni di polimero con basso contenuto di monomero - Google Patents

Processo e apparecchio per la preparazione di dispersioni di polimero con basso contenuto di monomero

Info

Publication number
IT1040006B
IT1040006B IT25691/75A IT2569175A IT1040006B IT 1040006 B IT1040006 B IT 1040006B IT 25691/75 A IT25691/75 A IT 25691/75A IT 2569175 A IT2569175 A IT 2569175A IT 1040006 B IT1040006 B IT 1040006B
Authority
IT
Italy
Prior art keywords
preparation
equipment
monomer content
polymer dispersions
low monomer
Prior art date
Application number
IT25691/75A
Other languages
English (en)
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of IT1040006B publication Critical patent/IT1040006B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • C08F6/003—Removal of residual monomers by physical means from polymer solutions, suspensions, dispersions or emulsions without recovery of the polymer therefrom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/16—Evaporating by spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06—Flash distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/343—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas
    • B01D3/346—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas the gas being used for removing vapours, e.g. transport gas
    • 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
    • B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
    • B01J10/02—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor of the thin-film type
    • 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
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
    • B01J19/1881—Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • 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
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets
    • 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
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00103—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor in a heat exchanger separate from the reactor

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
IT25691/75A 1974-07-25 1975-07-23 Processo e apparecchio per la preparazione di dispersioni di polimero con basso contenuto di monomero IT1040006B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2435704A DE2435704C3 (de) 1974-07-25 1974-07-25 Verfahren und Vorrichtung zur kontinuierlichen Entfernung von Restgehalten an Monomeren aus wäßrigen Dispersionen von Polymerisaten des Vinylchlorids

Publications (1)

Publication Number Publication Date
IT1040006B true IT1040006B (it) 1979-12-20

Family

ID=5921434

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25691/75A IT1040006B (it) 1974-07-25 1975-07-23 Processo e apparecchio per la preparazione di dispersioni di polimero con basso contenuto di monomero

Country Status (15)

Country Link
JP (1) JPS5137175A (it)
AT (1) AT341772B (it)
BE (1) BE831744A (it)
CA (1) CA1081880A (it)
CH (1) CH614962A5 (it)
DE (1) DE2435704C3 (it)
ES (1) ES439556A1 (it)
FR (1) FR2279766A1 (it)
GB (1) GB1508813A (it)
HU (1) HU175479B (it)
IT (1) IT1040006B (it)
NL (1) NL168848C (it)
SE (1) SE420734B (it)
YU (2) YU39029B (it)
ZA (1) ZA754769B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7607736A (nl) * 1974-07-25 1977-01-20 Hoechst Ag Werkwijze en inrichting voor het bereiden van polymeerdispersies met een laag monomeerge- halte.
JPS5128890A (ja) * 1974-09-04 1976-03-11 Mitsui Toatsu Chemicals Mihannoenkabinirumonomaa no jokyohoho
JPS5147075A (en) * 1974-10-19 1976-04-22 Shinetsu Chemical Co Jugoshuryogono mihannotanryotaijokyohoho
JPS51127187A (en) * 1975-04-26 1976-11-05 Kureha Chem Ind Co Ltd A process and an apparatus for recovering monomers
JPS52147689A (en) * 1976-06-02 1977-12-08 Mitsui Toatsu Chem Inc Continuous removal of unreacted vinyl chloride monometer
DE2701147C2 (de) * 1977-01-13 1987-01-02 Wacker-Chemie GmbH, 8000 München Verfahren zur Herstellung von Vinylchlorid-Copolymerisaten mit niedrigem Restmonomergehalt
DE2832972A1 (de) * 1978-07-27 1980-02-07 Wacker Chemie Gmbh Verfahren zur druck- und restentgasung eines pvc-wasser-gemisches im polymerisationsautoklaven bei hoechstmoeglichem abscheidegrad des uebertriebs in einem nachgeschalteten abscheider und rueckfuehrung des uebertriebs zur restentgasung in den polymerisationsautoklaven
IT1121511B (it) * 1979-05-28 1986-04-02 Montedison Spa Procedimento per l'estrazione del cloruro di vinile monomero dai lattici di cloruro di polivinile ed apparecchiatura per la sua realizzazione
GB2247415A (en) * 1990-08-29 1992-03-04 Shell Int Research Discharge device for reducing foam
DE19517680C2 (de) * 1995-05-13 1997-06-12 Buna Sow Leuna Olefinverb Gmbh Verfahren zur Reduzierung der Schaumentwicklung
NZ511502A (en) * 2001-05-04 2002-03-01 Wen Sen Shih Two-chamber water distillation apparatus
DE102011119374A1 (de) 2011-11-25 2013-05-29 Heraeus Quarzglas Gmbh & Co. Kg Verfahren zur Herstellung von synthetischem Quarzglas
DE102011119339A1 (de) 2011-11-25 2013-05-29 Heraeus Quarzglas Gmbh & Co. Kg Zerstäubungsverfahren zur Herstellung von synthetischem Quarzglas
DE102011119341A1 (de) 2011-11-25 2013-05-29 Heraeus Quarzglas Gmbh & Co. Kg Verfahren zur Herstellung von synthetischem Quarzglas nach der Sootmethode
DE102011119373A1 (de) 2011-11-25 2013-05-29 Heraeus Quarzglas Gmbh & Co. Kg Verfahren zur Herstellung von synthetischem Quarzglas
DE102013209673B3 (de) * 2013-05-24 2014-05-22 Heraeus Quarzglas Gmbh & Co. Kg Verfahren und Verdampfer zur Herstellung von synthetischem Quarzglas
DE102014115077A1 (de) * 2014-10-16 2016-04-21 Rvt Process Equipment Gmbh Flüssigkeitsverteiler einer verfahrenstechnischen Kolonne
US11891470B2 (en) 2019-05-31 2024-02-06 Resonac Corporation Method for producing chloroprene-based-polymer latex
EP3978536B1 (en) * 2019-05-31 2024-08-28 Resonac Corporation Method for producing purified chloroprene-based-polymer latex

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1799467A (en) * 1927-03-07 1931-04-07 Thomas B Jarvies Vapor-heating system
NL79746C (it) * 1953-11-06
GB1090976A (en) * 1964-02-12 1967-11-15 Dunlop Rubber Co Improvements in or relating to volatilization of residual liquid monomers
DE1495177A1 (de) * 1964-05-05 1969-03-13 Basf Ag Verfahren und Vorrichtung zum kontinuierlichen Entfernen fluechtiger Anteile aus Polyamiden
BE709965A (it) * 1967-01-27 1968-05-30
JPS546269B1 (it) * 1970-12-18 1979-03-27
DE2130616A1 (de) * 1971-06-21 1972-12-28 Franz Froitzheim Verfahren zum Verdampfen von Fluessigkeiten
DE2259740C3 (de) * 1972-12-04 1981-10-08 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zum Entgasen von Flüssigkeiten

Also Published As

Publication number Publication date
DE2435704A1 (de) 1976-02-05
NL7508630A (nl) 1976-01-27
ZA754769B (en) 1976-08-25
ATA572175A (de) 1977-06-15
JPS5137175A (it) 1976-03-29
FR2279766A1 (fr) 1976-02-20
DE2435704B2 (de) 1979-09-27
FR2279766B1 (it) 1980-07-25
GB1508813A (en) 1978-04-26
CA1081880A (en) 1980-07-15
ES439556A1 (es) 1977-02-16
SE7508274L (sv) 1976-01-26
YU41460B (en) 1987-06-30
YU171981A (en) 1983-09-30
BE831744A (fr) 1976-01-26
YU39029B (en) 1984-02-29
CH614962A5 (en) 1979-12-28
SE420734B (sv) 1981-10-26
YU188875A (en) 1982-05-31
NL168848C (nl) 1984-05-16
HU175479B (hu) 1980-08-28
AT341772B (de) 1978-02-27
DE2435704C3 (de) 1987-06-19
NL168848B (nl) 1981-12-16

Similar Documents

Publication Publication Date Title
IT1040006B (it) Processo e apparecchio per la preparazione di dispersioni di polimero con basso contenuto di monomero
BR7403107D0 (pt) Composicoes estabilizadoras e processo para sua aplicacao na estabilizacao de polimeros de estireno
IT1039618B (it) Processo per la preparazione di emulsioni mediante polimerizza zione di dispersioni acquose di monomero polimero
CH395543A (de) Verfahren zur Polymerisation von Vinylchlorid
BR7501794A (pt) Aperfeicoamento em processo para a preparacao de um polimero de uma alfa-olefina
BR7503975A (pt) Processo e equipamento para produzir oxigenio e/ou nitrogenio no estado liquido
BR7503821A (pt) Aperfeicoamento em processo de polimerizacao
BR7208698D0 (pt) Processo para estabilizacao de polimeros
GB1319260A (en) Removing unreacted monomers from acrylonitrile polymer solutions and concentration of the solutions
BE788786A (fr) Procede de polymerisation en emulsion et compositions obtenues
IT968604B (it) Processo per la polimerizzazione di monomeri
IT1039520B (it) Processo ed apparato per lamiscelazione di liquidi
IT1052477B (it) Procedimento per la preparazione di elastomero di acrilato e prodotto ottenuto
AR207421A1 (es) Procedimiento y aparato para obtener dispersiones de polimerizados con bajo contenido de monomeros
CH410422A (de) Verfahren zur stereospezifischen Polymerisation von Vinyläthern
AT320275B (de) Verfahren zur Herstellung von nichtwässerigen Dispersionen heterogener Polymerteilchen
CH476684A (de) Verfahren zur Herstellung von a-Alkyltyrosin- und 3,a-Dialkyltyrosinestern
IT1048505B (it) Copolimeri etilenici a basso contenuto di gel e processo per la loro preparazione
IT1066157B (it) Copolimeri e omopolimeri di cloruro di vinile con basso contenuto di cloruro di vinile monomerico e relativo procedimento di produzione
IT1019808B (it) Dispersioni di copolimero dilatan ti o reopexiche e processo per la loro preparazione
FR1292089A (fr) Procédé de polymérisation de la 2-p-dioxanone, et polymère obtenu
IT1003975B (it) Procedimento ed apparecchiatura per il trattamento di polimero ad alto contenuto di nitrile
AU268672B2 (en) Acrylonitrile and vinyl chloride-containing polymers and fibrous articles thereof
BR7502268A (pt) Aperfeicoamento em processo para a preparacao de um polimero de uma alfa-olefina
CA677242A (en) Process of marking shaped structures of linear high polymers and the articles made therefrom