SE7609043L - SEE THAT IN WATER DISTRIBUTION POLYMERIZE VINYL HALOGENIDE MONOMERS - Google Patents
SEE THAT IN WATER DISTRIBUTION POLYMERIZE VINYL HALOGENIDE MONOMERSInfo
- Publication number
- SE7609043L SE7609043L SE7609043A SE7609043A SE7609043L SE 7609043 L SE7609043 L SE 7609043L SE 7609043 A SE7609043 A SE 7609043A SE 7609043 A SE7609043 A SE 7609043A SE 7609043 L SE7609043 L SE 7609043L
- Authority
- SE
- Sweden
- Prior art keywords
- polymerization
- monomers
- see
- water distribution
- aug
- Prior art date
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
- C08F2/00—Processes of polymerisation
- C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
- C08F2/005—Scale prevention in a polymerisation reactor or its auxiliary parts by addition of a scale inhibitor to the polymerisation medium
Landscapes
- Chemical & Material Sciences (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)
- Polymerisation Methods In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1497515 Prevention of polymer build-up SOLVAY ET CIE 6 Aug 1976 [18 Aug 1975] 32904/76 Heading C3P Polymer build-up on reactors during the aqueous dispersion polymerization of alpha, beta ethylenic monomers containing halogen, is prevented by carrying out the polymerization in the presence of a water-soluble metal salt which disassociates to give bromide or iodide ions. Preferred compounds are the bromides and iodides of Na, K, Li, Ca and Mg. The metal bromide or iodide may be added to the polymerization medium, and/or the reactor may be pre-purged with an aqueous solution of the salt. Examples describe the polymerization of vinyl chloride.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU73211A LU73211A1 (en) | 1975-08-18 | 1975-08-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7609043L true SE7609043L (en) | 1977-02-19 |
| SE429133B SE429133B (en) | 1983-08-15 |
Family
ID=19728025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7609043A SE429133B (en) | 1975-08-18 | 1976-08-12 | SET IN AIR DISPERSION POLYMERIZED VINYL CHLORIDE USING A STORAGE INHIBITOR |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS5225889A (en) |
| AT (1) | AT350262B (en) |
| AU (1) | AU499610B2 (en) |
| BE (1) | BE845012A (en) |
| CA (1) | CA1213398A (en) |
| CH (1) | CH614724A5 (en) |
| DE (1) | DE2636324A1 (en) |
| ES (1) | ES450654A1 (en) |
| FI (1) | FI61036C (en) |
| FR (1) | FR2321509A1 (en) |
| GB (1) | GB1497515A (en) |
| IT (1) | IT1065818B (en) |
| LU (1) | LU73211A1 (en) |
| NL (1) | NL7609123A (en) |
| NO (1) | NO149110C (en) |
| PT (1) | PT65467B (en) |
| SE (1) | SE429133B (en) |
| ZA (1) | ZA764828B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2903409A1 (en) | 2006-07-04 | 2008-01-11 | Solvay | Polymer production comprises dispersion polymerization of an ethylenically unsaturated monomer in the presence of a radical generator, iodine and a water-soluble oxidizing agent |
| CN103130934B (en) * | 2013-03-19 | 2015-02-04 | 太仓市佳玲塑料制品有限公司 | Preparation technique of brominated polyvinyl chloride granules |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3467636A (en) * | 1967-02-24 | 1969-09-16 | Du Pont | Redox catalyst system for preparing vinylidene fluoride interpolymers |
| US3562238A (en) * | 1968-09-16 | 1971-02-09 | Goodrich Co B F | Suspension polymerization process for vinyl chloride polymers |
| DE2208796A1 (en) * | 1972-02-24 | 1973-08-30 | Shinetsu Chemical Co | Vinyl chloride suspension polymn - using alkaline aqs phase to prevent deposition of polymer on reactor walls |
| US3962202A (en) * | 1973-08-27 | 1976-06-08 | The B. F. Goodrich Company | Process for polymerizing olefinic monomers which substantially eliminates polymer buildup |
-
1975
- 1975-08-18 LU LU73211A patent/LU73211A1/xx unknown
-
1976
- 1976-08-06 GB GB32904/76A patent/GB1497515A/en not_active Expired
- 1976-08-09 IT IT26150/76A patent/IT1065818B/en active
- 1976-08-09 BE BE169662A patent/BE845012A/en not_active IP Right Cessation
- 1976-08-11 ZA ZA764828A patent/ZA764828B/en unknown
- 1976-08-11 PT PT65467A patent/PT65467B/en unknown
- 1976-08-12 CH CH1028976A patent/CH614724A5/en not_active IP Right Cessation
- 1976-08-12 FR FR7624845A patent/FR2321509A1/en active Granted
- 1976-08-12 FI FI762308A patent/FI61036C/en not_active IP Right Cessation
- 1976-08-12 SE SE7609043A patent/SE429133B/en not_active IP Right Cessation
- 1976-08-12 ES ES450654A patent/ES450654A1/en not_active Expired
- 1976-08-12 DE DE19762636324 patent/DE2636324A1/en active Granted
- 1976-08-12 AU AU16793/76A patent/AU499610B2/en not_active Expired
- 1976-08-13 NO NO762816A patent/NO149110C/en unknown
- 1976-08-17 NL NL7609123A patent/NL7609123A/en not_active Application Discontinuation
- 1976-08-17 JP JP51097510A patent/JPS5225889A/en active Pending
- 1976-08-17 CA CA000259250A patent/CA1213398A/en not_active Expired
- 1976-08-17 AT AT610876A patent/AT350262B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE429133B (en) | 1983-08-15 |
| NL7609123A (en) | 1977-02-22 |
| FR2321509A1 (en) | 1977-03-18 |
| BE845012A (en) | 1977-02-09 |
| CH614724A5 (en) | 1979-12-14 |
| AU499610B2 (en) | 1979-04-26 |
| IT1065818B (en) | 1985-03-04 |
| FI61036C (en) | 1982-05-10 |
| NO149110C (en) | 1984-02-15 |
| AT350262B (en) | 1979-05-25 |
| FR2321509B1 (en) | 1978-05-05 |
| JPS5225889A (en) | 1977-02-26 |
| ZA764828B (en) | 1977-07-27 |
| AU1679376A (en) | 1978-02-16 |
| NO149110B (en) | 1983-11-07 |
| NO762816L (en) | 1977-02-21 |
| PT65467B (en) | 1978-02-10 |
| FI762308A7 (en) | 1977-02-19 |
| DE2636324A1 (en) | 1977-03-03 |
| DE2636324C2 (en) | 1990-01-11 |
| FI61036B (en) | 1982-01-29 |
| CA1213398A (en) | 1986-10-28 |
| GB1497515A (en) | 1978-01-12 |
| PT65467A (en) | 1976-09-01 |
| ATA610876A (en) | 1978-10-15 |
| ES450654A1 (en) | 1977-07-16 |
| LU73211A1 (en) | 1977-04-15 |
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| NAL | Patent in force |
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