BR7608240A - Aperfeicoamento em processo para remocao de catalisador de misturas da reacao de oxido de polifenileno com sais nitrogenados de acido nitrilo-tri-acetico - Google Patents
Aperfeicoamento em processo para remocao de catalisador de misturas da reacao de oxido de polifenileno com sais nitrogenados de acido nitrilo-tri-aceticoInfo
- Publication number
- BR7608240A BR7608240A BR7608240A BR7608240A BR7608240A BR 7608240 A BR7608240 A BR 7608240A BR 7608240 A BR7608240 A BR 7608240A BR 7608240 A BR7608240 A BR 7608240A BR 7608240 A BR7608240 A BR 7608240A
- Authority
- BR
- Brazil
- Prior art keywords
- nitrillo
- nitrogenated
- tri
- mixtures
- salts
- Prior art date
Links
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
- C08G65/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
- C08G65/44—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols by oxidation of phenols
-
- 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 |
---|---|---|---|
US05/638,804 US4039510A (en) | 1975-12-08 | 1975-12-08 | Removal of catalyst from polyphenylene oxide reaction mixtures with nitrogenous salts of nitrilotriacetic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7608240A true BR7608240A (pt) | 1977-11-29 |
Family
ID=24561510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7608240A BR7608240A (pt) | 1975-12-08 | 1976-12-07 | Aperfeicoamento em processo para remocao de catalisador de misturas da reacao de oxido de polifenileno com sais nitrogenados de acido nitrilo-tri-acetico |
Country Status (9)
Country | Link |
---|---|
US (1) | US4039510A (pt) |
JP (1) | JPS5284292A (pt) |
AU (1) | AU499262B2 (pt) |
BR (1) | BR7608240A (pt) |
DE (1) | DE2655161C2 (pt) |
FR (1) | FR2334702A1 (pt) |
GB (1) | GB1527409A (pt) |
MX (1) | MX144324A (pt) |
NL (1) | NL7613467A (pt) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4116939A (en) * | 1976-12-20 | 1978-09-26 | General Electric Company | Intrinsic viscosity control of polyphenylene ether reaction mixtures |
JPS57205424A (en) * | 1981-06-11 | 1982-12-16 | Kanegafuchi Chem Ind Co Ltd | Polyphenylene ether copolymer |
DE3148149A1 (de) * | 1981-12-05 | 1983-06-09 | Basf Ag, 6700 Ludwigshafen | Verfahren zur entfernung des katalysators aus polyphenylenethern |
US4463164A (en) * | 1983-02-15 | 1984-07-31 | Borg-Warner Chemicals, Inc. | Process for preparing polyphenylene ethers |
DE3325894A1 (de) * | 1983-07-19 | 1985-01-31 | Basf Ag, 6700 Ludwigshafen | Verfahren zur entfernung des katalysators aus polyphenylenethern |
US4942222A (en) * | 1989-02-06 | 1990-07-17 | General Electric Company | Method for removing odor components from polyphenylene ether resins with ketone |
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 |
US8025158B2 (en) * | 2008-02-21 | 2011-09-27 | Sabic Innovative Plastics Ip B.V. | High molecular weight poly(2,6-dimethyl-1,4-phenylene ether) and process therefor |
WO2017105782A1 (en) | 2015-12-17 | 2017-06-22 | Sabic Global Technologies B.V. | Method of forming high molecular weight poly(phenylene ether), poly(phenylene ether) formed thereby, and fiber and article comprising the poly(phenylene ether) |
US20210261714A1 (en) | 2018-08-28 | 2021-08-26 | Madhav Ghanta | Preparation of a 2,6-di(c1-7 alkyl) phenol composition and a poly(phenylene ether) |
EP3867298A1 (en) | 2018-10-18 | 2021-08-25 | SHPP Global Technologies B.V. | Method of preparing a poly(phenylene ether), poly(phenylene ether) made thereby, and article comprising the poly(phenylene ether) |
US11472920B2 (en) | 2019-01-22 | 2022-10-18 | Shpp Global Technologies B.V. | Method for preparing a poly(phenylene ether) and poly(phenylene ether) prepared thereby |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6516934A (pt) * | 1965-06-11 | 1967-06-26 | ||
US3544515A (en) * | 1969-03-13 | 1970-12-01 | Gen Electric | Diarylguanidines as rate promoters in oxidative polyphenylene ether formation |
US3733301A (en) * | 1971-05-04 | 1973-05-15 | M Modan | Separation and recovery of catalyst residue |
US3783147A (en) * | 1971-09-24 | 1974-01-01 | Gen Electric | Removal of catalyst residue from polyphenylene ethers |
US3838102A (en) * | 1972-12-29 | 1974-09-24 | Gen Electric | Removal of metallic catalyst residue from polyphenylene ethers |
US3951917A (en) * | 1974-07-23 | 1976-04-20 | General Electric Company | Process for removal of catalyst from polyphenylene ethers |
-
1975
- 1975-12-08 US US05/638,804 patent/US4039510A/en not_active Expired - Lifetime
-
1976
- 1976-11-18 AU AU19750/76A patent/AU499262B2/en not_active Expired
- 1976-12-02 NL NL7613467A patent/NL7613467A/xx not_active Application Discontinuation
- 1976-12-03 FR FR7636482A patent/FR2334702A1/fr active Granted
- 1976-12-06 DE DE2655161A patent/DE2655161C2/de not_active Expired
- 1976-12-07 BR BR7608240A patent/BR7608240A/pt unknown
- 1976-12-08 GB GB51175/76A patent/GB1527409A/en not_active Expired
- 1976-12-08 MX MX167326A patent/MX144324A/es unknown
- 1976-12-08 JP JP14664476A patent/JPS5284292A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
GB1527409A (en) | 1978-10-04 |
MX144324A (es) | 1981-09-29 |
AU499262B2 (en) | 1979-04-12 |
JPS5284292A (en) | 1977-07-13 |
FR2334702B1 (pt) | 1980-04-04 |
US4039510A (en) | 1977-08-02 |
NL7613467A (nl) | 1977-06-10 |
DE2655161C2 (de) | 1985-12-12 |
DE2655161A1 (de) | 1977-06-16 |
FR2334702A1 (fr) | 1977-07-08 |
AU1975076A (en) | 1978-05-25 |
JPS618091B2 (pt) | 1986-03-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1058031B (it) | Processo perfezionato per il recupero di ossido di etilene | |
BR7608240A (pt) | Aperfeicoamento em processo para remocao de catalisador de misturas da reacao de oxido de polifenileno com sais nitrogenados de acido nitrilo-tri-acetico | |
BR7603318A (pt) | Processo de preparacao de acido latico | |
BR7402283D0 (pt) | Processo para preparacao de acido acrilico e composicao catalitica para o mesmo | |
BR7605283A (pt) | Aperfeicoamento em processo por via umida para a manufatura de acido fosforico altamente concentrado | |
BR7605202A (pt) | Processo continuo para remocao de gas acido | |
BR7708051A (pt) | Processo para hidrolise catalitica quimica,de uma alfa-aminonitrila ou de um dos seus sais | |
BR7606722A (pt) | Processo para producao,em estado puro de acido formico | |
IT1081296B (it) | Processo per rigenerare acido solforico | |
BR7604336A (pt) | Processo para a preparacao de acido sulfurico | |
BR7500922A (pt) | Processo para obtencao de acido formico | |
BR7504237A (pt) | Aperfeicoamentos em processo para producao de acido fosforico | |
BR7404850D0 (pt) | Processo para a regeneracao de acido sulfurico | |
BR7500499A (pt) | Processo para preparar compostos do acido amino-alquileno-fosfonico quaternizado | |
BR7605592A (pt) | Processo para producao de acido tereftalico purificado | |
BR7604368A (pt) | Processo para producao de acido sulfurico | |
BR7507250A (pt) | Processo para a preparacao de diclorosilana por desmutacao de triclorosilana em presenca de catalisador | |
IT1070011B (it) | Processo per la rimozione di gas acidi | |
BR7502585A (pt) | Processo para a preparacao de acido cianurico | |
AR208638A1 (es) | Proceso para la eliminacion del gas acido | |
BR7503007A (pt) | Processo para a fabricacao de compostos de n-aril-imida de acido 4-amido-1,8-naftalico | |
NL7604534A (nl) | Werkwijze ter bereiding van perpropionzuuroplos- singen. | |
BR7507429A (pt) | Processo para a purificacao de acido cianurico,e processo integrado para a obtencao de acido cianurico | |
BR7905765A (pt) | Processo para extrair,por lavagem,gases acidos de misturas gasosas | |
BR7508648A (pt) | Processo para preparacao de acido 3,6-dicloropicolinico |