JPS5534243A - Recovering method of unreacted monomer - Google Patents
Recovering method of unreacted monomerInfo
- Publication number
- JPS5534243A JPS5534243A JP10688378A JP10688378A JPS5534243A JP S5534243 A JPS5534243 A JP S5534243A JP 10688378 A JP10688378 A JP 10688378A JP 10688378 A JP10688378 A JP 10688378A JP S5534243 A JPS5534243 A JP S5534243A
- Authority
- JP
- Japan
- Prior art keywords
- slurry
- monomer
- tube
- unreacted
- unreacted monomer
- 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
- C08F6/001—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
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
PURPOSE: To recover the unreacted vinyl chloride monomer from an aqueous dispersion of vinyl chloride homo- or copolymer, efficiently, in a short time, using a simple equipment, by spraying the dispersion horizontally or upward in a degassing tube to vaporize the unreacted monomer, and separating the monomer vapor from the polymer slurry with a separator.
CONSTITUTION: A polymer slurry in a polymerizer 1 is sprayed by the internal pressure of the polymerizer and with a pump 5 through a valve 6 into a degassing tube 2 which is heated with a jacket 3. The tube 2 has a length/diameter ratio of 10W200, and the spraying is pref. carried out at a linear velocity of 10W30m/sec, a residence time of 0.05W10 seconds, and a pressure difference of 2W10kg/cm2. The unreacted monomer vaporized in the tube 2 is transferred together with the polymer slurry to a separator 8 such as cyclone, and separated from the slurry. The monomer is stored in a gas holder 10, and the slurry is sent through an intermediate tank 11, a pump 12, and stored in a slurry tank 13.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10688378A JPS5534243A (en) | 1978-08-31 | 1978-08-31 | Recovering method of unreacted monomer |
GB7930028A GB2028836B (en) | 1978-08-31 | 1979-08-30 | Method for recovery of unreacted vinyl chloride monomer from an aqueous polymerizate slurry |
NL7906512A NL7906512A (en) | 1978-08-31 | 1979-08-30 | METHOD FOR SEPARATING MONOMERIC VINYL CHLORIDE FROM AN AQUEOUS POLYMER SUSPENSION. |
FR7921723A FR2434825A1 (en) | 1978-08-31 | 1979-08-30 | PROCESS FOR THE REMOVAL OF VINYL CHLORIDE FROM AN AQUEOUS POLYMERIZATION SLURRY |
DE19792935310 DE2935310A1 (en) | 1978-08-31 | 1979-08-31 | METHOD FOR RECOVERY OF UNVERSED VINYL CHLORIDE MONOMER FROM AN AQUEOUS POLYMER SLATE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10688378A JPS5534243A (en) | 1978-08-31 | 1978-08-31 | Recovering method of unreacted monomer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5534243A true JPS5534243A (en) | 1980-03-10 |
JPS616843B2 JPS616843B2 (en) | 1986-03-01 |
Family
ID=14444888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10688378A Granted JPS5534243A (en) | 1978-08-31 | 1978-08-31 | Recovering method of unreacted monomer |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5534243A (en) |
DE (1) | DE2935310A1 (en) |
FR (1) | FR2434825A1 (en) |
GB (1) | GB2028836B (en) |
NL (1) | NL7906512A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06158641A (en) * | 1993-06-28 | 1994-06-07 | Fudo Constr Co Ltd | Device for improving soft ground |
US7895769B2 (en) * | 2003-05-26 | 2011-03-01 | Khd Humboldt Wedag Gmbh | Method and a plant for thermally drying wet ground raw meal |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2805757B1 (en) | 2000-03-02 | 2002-05-31 | Solvay | METHOD AND INSTALLATION FOR EXTRACTING A MONOMER FROM AN AQUEOUS FOUL CONTAINING A POLYMER |
EP2076552B1 (en) * | 2006-10-12 | 2016-06-01 | INEOS Manufacturing Belgium NV | Polymer stream transfer |
EP1914246A1 (en) * | 2006-10-12 | 2008-04-23 | INEOS Manufacturing Belgium NV | Polymer stream transfer |
EP1914250A1 (en) * | 2006-10-12 | 2008-04-23 | INEOS Manufacturing Belgium NV | Polymer stream transfer |
US8597582B2 (en) | 2011-06-30 | 2013-12-03 | Chevron Phillips Chemical Company Lp | Flashline heater system and method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51135990A (en) * | 1975-05-20 | 1976-11-25 | Shin Etsu Chem Co Ltd | Method of removing residual monomers f rom polyvinylchloride slurries |
DE2526728A1 (en) * | 1975-06-14 | 1976-12-30 | Huels Chemische Werke Ag | CONTINUOUS PROCEDURE FOR THE REMOVAL OF MONOMERIC POLLUTIONS FROM Aqueous DISPERSIONS OF HOMOPOLYMERIZED AND COPOLYMERIZED VINYL CHLORIDE |
-
1978
- 1978-08-31 JP JP10688378A patent/JPS5534243A/en active Granted
-
1979
- 1979-08-30 NL NL7906512A patent/NL7906512A/en not_active Application Discontinuation
- 1979-08-30 GB GB7930028A patent/GB2028836B/en not_active Expired
- 1979-08-30 FR FR7921723A patent/FR2434825A1/en active Granted
- 1979-08-31 DE DE19792935310 patent/DE2935310A1/en not_active Ceased
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06158641A (en) * | 1993-06-28 | 1994-06-07 | Fudo Constr Co Ltd | Device for improving soft ground |
JPH07122264B2 (en) * | 1993-06-28 | 1995-12-25 | 不動建設株式会社 | Soft ground improvement device |
US7895769B2 (en) * | 2003-05-26 | 2011-03-01 | Khd Humboldt Wedag Gmbh | Method and a plant for thermally drying wet ground raw meal |
Also Published As
Publication number | Publication date |
---|---|
FR2434825A1 (en) | 1980-03-28 |
DE2935310A1 (en) | 1980-03-13 |
NL7906512A (en) | 1980-03-04 |
JPS616843B2 (en) | 1986-03-01 |
FR2434825B1 (en) | 1981-04-30 |
GB2028836B (en) | 1982-10-13 |
GB2028836A (en) | 1980-03-12 |
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