AT347125B - Verfahren und vorrichtung zur herstellung von polymerisationsdispersionen mit niedrigem monomergehalt - Google Patents

Verfahren und vorrichtung zur herstellung von polymerisationsdispersionen mit niedrigem monomergehalt

Info

Publication number
AT347125B
AT347125B AT525876A AT525876A AT347125B AT 347125 B AT347125 B AT 347125B AT 525876 A AT525876 A AT 525876A AT 525876 A AT525876 A AT 525876A AT 347125 B AT347125 B AT 347125B
Authority
AT
Austria
Prior art keywords
production
monomer content
low monomer
polymerization dispersions
dispersions
Prior art date
Application number
AT525876A
Other languages
English (en)
Other versions
ATA525876A (de
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
Publication of ATA525876A publication Critical patent/ATA525876A/de
Application granted granted Critical
Publication of AT347125B publication Critical patent/AT347125B/de

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
    • C08F6/14—Treatment of polymer emulsions
    • C08F6/16—Purification
    • 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
    • B01D3/065—Multiple-effect flash distillation (more than two traps)
    • 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
    • B01D3/08—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in rotating vessels; Atomisation on rotating discs
    • 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
    • B01D3/38—Steam distillation
    • 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
    • B01J19/1862—Stationary reactors having moving elements inside placed in series
    • 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)
  • 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)
AT525876A 1975-07-18 1976-07-16 Verfahren und vorrichtung zur herstellung von polymerisationsdispersionen mit niedrigem monomergehalt AT347125B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752532173 DE2532173C2 (de) 1975-07-18 1975-07-18 Verfahren und Vorrichtung zur kontinuierlichen Entfernung von Restgehalten an Monomeren aus wäßrigen Dispersionen von Polymerisaten des Vinylchlorids

Publications (2)

Publication Number Publication Date
ATA525876A ATA525876A (de) 1978-04-15
AT347125B true AT347125B (de) 1978-12-11

Family

ID=5951848

Family Applications (1)

Application Number Title Priority Date Filing Date
AT525876A AT347125B (de) 1975-07-18 1976-07-16 Verfahren und vorrichtung zur herstellung von polymerisationsdispersionen mit niedrigem monomergehalt

Country Status (13)

Country Link
JP (1) JPS5213588A (de)
AR (1) AR207421A1 (de)
AT (1) AT347125B (de)
BE (1) BE844288R (de)
BR (1) BR7604673A (de)
CA (1) CA1081881A (de)
CH (1) CH629508A5 (de)
DD (1) DD125909A5 (de)
DE (1) DE2532173C2 (de)
ES (1) ES449785A2 (de)
GB (1) GB1509127A (de)
IT (1) IT1064769B (de)
SE (1) SE418296B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2166446B (en) * 1984-11-02 1989-07-05 Malaysia The Board Of The Rubb Method and apparatus for the coagulation of natural rubber latex
CN113209654B (zh) * 2021-04-22 2022-02-11 燕山大学 无填料无孔板喷雾精馏床
CN115445548A (zh) * 2022-08-25 2022-12-09 浙江亿普新材料科技有限公司 外循环法生产碳酸亚乙烯酯的设备及方法

Also Published As

Publication number Publication date
AR207421A1 (es) 1976-09-30
CA1081881A (en) 1980-07-15
SE7608156L (sv) 1977-01-19
DE2532173A1 (de) 1977-01-27
BR7604673A (pt) 1977-08-02
JPS5213588A (en) 1977-02-01
CH629508A5 (en) 1982-04-30
SE418296B (sv) 1981-05-18
DD125909A5 (de) 1977-06-01
BE844288R (fr) 1977-01-19
ATA525876A (de) 1978-04-15
ES449785A2 (es) 1978-07-16
IT1064769B (it) 1985-02-25
DE2532173C2 (de) 1981-10-01
GB1509127A (en) 1978-04-26

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee