GB1380115A - Removal of catalyst residue from polyphenylene ethers - Google Patents
Removal of catalyst residue from polyphenylene ethersInfo
- Publication number
- GB1380115A GB1380115A GB4216672A GB4216672A GB1380115A GB 1380115 A GB1380115 A GB 1380115A GB 4216672 A GB4216672 A GB 4216672A GB 4216672 A GB4216672 A GB 4216672A GB 1380115 A GB1380115 A GB 1380115A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- carbon dioxide
- water
- reaction
- polyphenylene ethers
- 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.)
- Expired
Links
- 239000003054 catalyst Substances 0.000 title abstract 4
- 229920001955 polyphenylene ether Polymers 0.000 title abstract 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 8
- 239000000243 solution Substances 0.000 abstract 7
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 4
- 239000001569 carbon dioxide Substances 0.000 abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 230000005587 bubbling Effects 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/46—Post-polymerisation treatment, e.g. recovery, purification, drying
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyethers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18332171A | 1971-09-24 | 1971-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1380115A true GB1380115A (en) | 1975-01-08 |
Family
ID=22672333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4216672A Expired GB1380115A (en) | 1971-09-24 | 1972-09-11 | Removal of catalyst residue from polyphenylene ethers |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3783147A (enExample) |
| JP (1) | JPS5510615B2 (enExample) |
| AU (1) | AU466295B2 (enExample) |
| DE (1) | DE2246552A1 (enExample) |
| FR (1) | FR2153407B1 (enExample) |
| GB (1) | GB1380115A (enExample) |
| IT (1) | IT967760B (enExample) |
| NL (1) | NL7212799A (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061633A (en) * | 1974-02-25 | 1977-12-06 | Lazar Isaevich Blyakhman | Method of recovering primary and secondary amines |
| US3984374A (en) * | 1975-04-01 | 1976-10-05 | General Electric Company | Catalyst removal from polyphenylene ether reaction solutions by aqueous extraction with ammonium salts |
| US3994859A (en) * | 1975-04-01 | 1976-11-30 | General Electric Company | Catalyst removal from polyphenylene ether reaction solutions by bisulfate extraction |
| US4024107A (en) * | 1975-05-12 | 1977-05-17 | General Electric Company | Method of separating a copper-amine catalyst from a polyphenylene ether reaction mixture |
| US3988298A (en) * | 1975-05-12 | 1976-10-26 | General Electric | Catalyst removal from polyphenylene oxides by ammonia and carbon dioxide |
| US4237265A (en) * | 1975-09-08 | 1980-12-02 | General Electric Company | Process for catalyst removal from polyphenylene ether reaction solutions |
| US4039510A (en) * | 1975-12-08 | 1977-08-02 | General Electric Company | Removal of catalyst from polyphenylene oxide reaction mixtures with nitrogenous salts of nitrilotriacetic acid |
| US4263426A (en) * | 1978-11-06 | 1981-04-21 | General Electric Company | Process for isolation of polyphenylene ether resin by crumbing in hot water |
| US4360662A (en) * | 1980-11-19 | 1982-11-23 | Celanese Corporation | Continuous countercurrent extraction process for removing water-soluble impurities from water immiscible polymer solutions |
| DE3332377A1 (de) * | 1983-09-08 | 1985-03-28 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur reinigung von polyphenylenoxiden, die nach abstoppung der kupferaminkatalysierten polykondensation von diorthosubstituierten phenolen erhalten werden |
| JPS636024A (ja) * | 1986-06-25 | 1988-01-12 | Mitsubishi Petrochem Co Ltd | ポリフエニレンエ−テルの製造方法 |
| AU3929393A (en) * | 1992-03-24 | 1993-10-21 | Dow Chemical Company, The | Novel finishing process for hydroxy-functional polyethers |
| US6472499B1 (en) | 2000-08-04 | 2002-10-29 | General Electric Company | Preparation of high intrinsic viscosity poly(arylene ether) resins |
| US20070299243A1 (en) * | 2006-06-22 | 2007-12-27 | Delsman Erik R | Poly(arylene ether) process and composition |
| US20080097069A1 (en) * | 2006-10-20 | 2008-04-24 | Hua Guo | Poly(arylene ether) method and composition |
| WO2020184414A1 (ja) | 2019-03-13 | 2020-09-17 | 日本製鉄株式会社 | 電縫鋼管溶接監視方法、電縫鋼管製造方法、電縫鋼管溶接監視装置、及び電縫鋼管製造装置 |
-
1971
- 1971-09-24 US US00183321A patent/US3783147A/en not_active Expired - Lifetime
-
1972
- 1972-09-11 GB GB4216672A patent/GB1380115A/en not_active Expired
- 1972-09-11 AU AU46533/72A patent/AU466295B2/en not_active Expired
- 1972-09-21 NL NL7212799A patent/NL7212799A/xx not_active Application Discontinuation
- 1972-09-22 DE DE2246552A patent/DE2246552A1/de not_active Withdrawn
- 1972-09-22 FR FR7233634A patent/FR2153407B1/fr not_active Expired
- 1972-09-22 IT IT29548/72A patent/IT967760B/it active
- 1972-09-25 JP JP9524172A patent/JPS5510615B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2153407B1 (enExample) | 1977-12-30 |
| FR2153407A1 (enExample) | 1973-05-04 |
| DE2246552A1 (de) | 1973-03-29 |
| IT967760B (it) | 1974-03-11 |
| JPS4844397A (enExample) | 1973-06-26 |
| AU4653372A (en) | 1974-03-21 |
| JPS5510615B2 (enExample) | 1980-03-18 |
| AU466295B2 (en) | 1975-10-23 |
| US3783147A (en) | 1974-01-01 |
| NL7212799A (enExample) | 1973-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1380115A (en) | Removal of catalyst residue from polyphenylene ethers | |
| GB1420037A (en) | Process for the simultaneous separation of ethylene oxide and carbon dioxide from the gaseous mixtures obtained in the direct oxidation of ethylene with oxygen | |
| GB1483037A (en) | Process for purifying gases produced by the gasification of solid or liquid fossil fuels | |
| GB1329174A (en) | Processes for preparing polyphenylene ethers | |
| GB1471477A (en) | Process for dehydrating and sweetening natural gas | |
| GB1390090A (en) | Recovering anhydrous acrylic acid | |
| GB1161773A (en) | Separation and Purification of Non-Ionic Organic Compounds | |
| ES447406A1 (es) | Procedimiento para la produccion continua de oxido de propi-leno. | |
| ES398710A1 (es) | Procedimiento para el aislamiento de oxido de etileno. | |
| GB1476201A (en) | Separation of carbon dioxide in ethylene oxide process | |
| IE42680L (en) | Process for the preparation of propylene oxide | |
| JPS5337636A (en) | Production of terphthalic acid | |
| GB1396264A (en) | Process for the preparation of ethylene glycol | |
| GB2004886A (en) | Separation of methacrolein and/or methacrylic acid from a gaseous mixture | |
| JPS5692228A (en) | Preparation of high-purity alkylene glycol | |
| GB1071350A (en) | Process for the preparation of high purity terephthalic acid | |
| GB1458692A (en) | Removal of a metal pentafluoride from hydrocarbons | |
| US3284506A (en) | Method of dephenolizing cumene | |
| GB743004A (en) | Improvements in or relating to removal of salts from acetone-phenol mixtures | |
| GB1430221A (en) | Process for recovering resorcinol and hydroquinone in mixture | |
| GB913000A (en) | Recovery of cyclohexan one from oxidation-mixtures by distillation | |
| JPS5250972A (en) | Method and apparatus for removing dissolved oxygen | |
| GB1495481A (en) | Process for the obtaining of isobutylene of high purity | |
| GB1070082A (en) | Purification of 2,6-xylenol | |
| GB983375A (en) | Process for preparing dodecandioic acid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |