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 monomeresInfo
- 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
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2435704A DE2435704B2 (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 (fr) | 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 (fr) |
NL (1) | NL7607736A (fr) |
Citations (4)
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 |
-
1976
- 1976-07-13 NL NL7607736A patent/NL7607736A/xx not_active Application Discontinuation
- 1976-07-19 FR FR7621930A patent/FR2318176A2/fr active Granted
Patent Citations (4)
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 |
---|---|
FR2318176B2 (fr) | 1983-04-29 |
NL7607736A (nl) | 1977-01-20 |
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