FR2318176A2 - Procede et dispositif pour la preparation de dispersions de polymeres a basse teneur en monomeres - Google Patents

Procede et dispositif pour la preparation de dispersions de polymeres a basse teneur en monomeres

Info

Publication number
FR2318176A2
FR2318176A2 FR7621930A FR7621930A FR2318176A2 FR 2318176 A2 FR2318176 A2 FR 2318176A2 FR 7621930 A FR7621930 A FR 7621930A FR 7621930 A FR7621930 A FR 7621930A FR 2318176 A2 FR2318176 A2 FR 2318176A2
Authority
FR
France
Prior art keywords
tank
gaseous
monomer content
monomer
opt
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.)
Granted
Application number
FR7621930A
Other languages
English (en)
French (fr)
Other versions
FR2318176B2 (cg-RX-API-DMAC7.html
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.)
Hoechst AG
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
Priority claimed from DE2435704A external-priority patent/DE2435704C3/de
Priority claimed from DE19752532173 external-priority patent/DE2532173C2/de
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of FR2318176A2 publication Critical patent/FR2318176A2/fr
Application granted granted Critical
Publication of FR2318176B2 publication Critical patent/FR2318176B2/fr
Granted legal-status Critical Current

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)
FR7621930A 1974-07-25 1976-07-19 Procede et dispositif pour la preparation de dispersions de polymeres a basse teneur en monomeres Granted FR2318176A2 (fr)

Applications Claiming Priority (2)

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
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
FR2318176A2 true FR2318176A2 (fr) 1977-02-11
FR2318176B2 FR2318176B2 (cg-RX-API-DMAC7.html) 1983-04-29

Family

ID=25767464

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7621930A Granted FR2318176A2 (fr) 1974-07-25 1976-07-19 Procede et dispositif pour la preparation de dispersions de polymeres a basse teneur en monomeres

Country Status (2)

Country Link
FR (1) FR2318176A2 (cg-RX-API-DMAC7.html)
NL (1) NL7607736A (cg-RX-API-DMAC7.html)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1799478A (en) * 1925-02-05 1931-04-07 David D Peebles Method of evaporating liquids and apparatus therefor
DE2130616A1 (de) * 1971-06-21 1972-12-28 Franz Froitzheim Verfahren zum Verdampfen von Fluessigkeiten
FR2279766A1 (fr) * 1974-07-25 1976-02-20 Hoechst Ag Procede et dispositif pour la preparation de dispersions de polymeres a basse teneur en monomeres
FR2310359A1 (fr) * 1975-05-09 1976-12-03 Hoechst Ag Procede et appareil pour traiter par des gaz, en continu, des dispersions aqueuses a base de poly-chlorure de vinyle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1799478A (en) * 1925-02-05 1931-04-07 David D Peebles Method of evaporating liquids and apparatus therefor
DE2130616A1 (de) * 1971-06-21 1972-12-28 Franz Froitzheim Verfahren zum Verdampfen von Fluessigkeiten
FR2279766A1 (fr) * 1974-07-25 1976-02-20 Hoechst Ag Procede et dispositif pour la preparation de dispersions de polymeres a basse teneur en monomeres
FR2310359A1 (fr) * 1975-05-09 1976-12-03 Hoechst Ag Procede et appareil pour traiter par des gaz, en continu, des dispersions aqueuses a base de poly-chlorure de vinyle

Also Published As

Publication number Publication date
NL7607736A (nl) 1977-01-20
FR2318176B2 (cg-RX-API-DMAC7.html) 1983-04-29

Similar Documents

Publication Publication Date Title
ES439556A1 (es) Procedimiento y aparato para obtener dispersiones de polime-rizados con bajo contenido de monomeros.
IN1996KO01040A (cg-RX-API-DMAC7.html)
US2675370A (en) Continuous polymerization processes and resulting products
FR2318176A2 (fr) Procede et dispositif pour la preparation de dispersions de polymeres a basse teneur en monomeres
GB1402323A (en) Impact resistant polymers of a resinous copolymer of an alkenyl aromatic monomer and unsaturated dicarboxylic anhydride
ES432661A1 (es) Procedimiento para la obtencion de polimeros transparentes resistentes al choque y estables a los agentes atmosfericos.
US3738972A (en) Process for production of styrene/acrylonitrile copolymers
US4147859A (en) Process for removal of chloroform and carbon tetrachloride from chlorinated polyvinyl chloride
GB872132A (en) Process for the production of graft copolymers
DE1165270B (de) Verfahren zur Herstellung von feinteiligen verschaeumbaren Styrolpolymerisaten
CA1278639C (en) Vinyl chloride monomer stripping process
US3066118A (en) Cross-linked carboxylic polymers of triallyl cyanurate and alkenoic acids
UST962008I4 (en) Method of treating polymer latices
US2593399A (en) Mass polymerization of styrene at 285u deg. c.
US2838475A (en) Continuous polymerization processes and resulting products
ES449785A2 (es) Procedimiento y aparato para obtener dispersiones de poli- merizados con bajo contenido de monomeros.
ES450917A1 (es) Procedimiento para la remocion de incrustaciones en reacto- res de polimerizacion.
FR2398079A2 (fr) Procede de polymerisation anionique a l'aide de cryptants
US2947738A (en) Ethylene polymerization
GB1353634A (en) Self-stabilized organosol systems comprising graft copolymers
JPS51150592A (en) A process for suspension polymerization
Jahn et al. Self‐extinguishing polystyrene foaming‐in‐place beads
DE1694070B2 (de) Verfahren zur herstellung unbrennbarer schaumstoffe
JPS5117288A (en) Jugotaiganjusurarii mataha ratetsukusukaranoenkabiniruno jokyoho
SU998476A1 (ru) Способ демономеризации латексов синтетических полимеров