IT967760B - Rimozione di residui di catalizza tore da eteri di polifenilene - Google Patents

Rimozione di residui di catalizza tore da eteri di polifenilene

Info

Publication number
IT967760B
IT967760B IT29548/72A IT2954872A IT967760B IT 967760 B IT967760 B IT 967760B IT 29548/72 A IT29548/72 A IT 29548/72A IT 2954872 A IT2954872 A IT 2954872A IT 967760 B IT967760 B IT 967760B
Authority
IT
Italy
Prior art keywords
residues
catalyst
removal
polyphenylene ethers
polyphenylene
Prior art date
Application number
IT29548/72A
Other languages
English (en)
Italian (it)
Original Assignee
Gen Electric
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of IT967760B publication Critical patent/IT967760B/it

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
    • C08G65/46—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)
IT29548/72A 1971-09-24 1972-09-22 Rimozione di residui di catalizza tore da eteri di polifenilene IT967760B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18332171A 1971-09-24 1971-09-24

Publications (1)

Publication Number Publication Date
IT967760B true IT967760B (it) 1974-03-11

Family

ID=22672333

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29548/72A IT967760B (it) 1971-09-24 1972-09-22 Rimozione di residui di catalizza tore da eteri di polifenilene

Country Status (8)

Country Link
US (1) US3783147A (en:Method)
JP (1) JPS5510615B2 (en:Method)
AU (1) AU466295B2 (en:Method)
DE (1) DE2246552A1 (en:Method)
FR (1) FR2153407B1 (en:Method)
GB (1) GB1380115A (en:Method)
IT (1) IT967760B (en:Method)
NL (1) NL7212799A (en:Method)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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
US3994859A (en) * 1975-04-01 1976-11-30 General Electric Company Catalyst removal from polyphenylene ether reaction solutions by bisulfate extraction
US3984374A (en) * 1975-04-01 1976-10-05 General Electric Company Catalyst removal from polyphenylene ether reaction solutions by aqueous extraction with ammonium salts
US3988298A (en) * 1975-05-12 1976-10-26 General Electric Catalyst removal from polyphenylene oxides by ammonia and carbon dioxide
US4024107A (en) * 1975-05-12 1977-05-17 General Electric Company Method of separating a copper-amine catalyst from a polyphenylene ether reaction mixture
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
DE69324427T2 (de) * 1992-03-24 1999-08-05 The Dow Chemical Co., Midland, Mich. Neues endbehandlungsverfahren für hydroxyfunktionelle polythethern
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
EP3939736B1 (en) 2019-03-13 2025-07-09 Nippon Steel Corporation Method for monitoring welding of electric resistance welded steel pipe, method for manufacturing electric resistance welded steel pipe, device for monitoring welding of electric resistance welded steel pipe, and device for manufacturing electric resistance welded steel pipe

Also Published As

Publication number Publication date
AU4653372A (en) 1974-03-21
NL7212799A (en:Method) 1973-03-27
AU466295B2 (en) 1975-10-23
FR2153407A1 (en:Method) 1973-05-04
GB1380115A (en) 1975-01-08
FR2153407B1 (en:Method) 1977-12-30
US3783147A (en) 1974-01-01
JPS4844397A (en:Method) 1973-06-26
JPS5510615B2 (en:Method) 1980-03-18
DE2246552A1 (de) 1973-03-29

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