IT1087964B - Processo per la rimozione di catalizzatore da eteri polifenilenici. - Google Patents

Processo per la rimozione di catalizzatore da eteri polifenilenici.

Info

Publication number
IT1087964B
IT1087964B IT28668/77A IT2866877A IT1087964B IT 1087964 B IT1087964 B IT 1087964B IT 28668/77 A IT28668/77 A IT 28668/77A IT 2866877 A IT2866877 A IT 2866877A IT 1087964 B IT1087964 B IT 1087964B
Authority
IT
Italy
Prior art keywords
catalyst
removal
polyphenylene ethers
polyphenylene
ethers
Prior art date
Application number
IT28668/77A
Other languages
English (en)
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 IT1087964B publication Critical patent/IT1087964B/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
    • C08G65/38—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)
IT28668/77A 1976-10-18 1977-10-17 Processo per la rimozione di catalizzatore da eteri polifenilenici. IT1087964B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/733,223 US4035357A (en) 1976-10-18 1976-10-18 Improved polyphenylene ether polymerization process using methylene chloride as solvent

Publications (1)

Publication Number Publication Date
IT1087964B true IT1087964B (it) 1985-06-04

Family

ID=24946726

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28668/77A IT1087964B (it) 1976-10-18 1977-10-17 Processo per la rimozione di catalizzatore da eteri polifenilenici.

Country Status (9)

Country Link
US (1) US4035357A (it)
JP (1) JPS5373297A (it)
AU (1) AU515521B2 (it)
CA (1) CA1101150A (it)
DE (1) DE2746420A1 (it)
FR (1) FR2367787A1 (it)
GB (1) GB1537807A (it)
IT (1) IT1087964B (it)
NL (1) NL7711455A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3515138A1 (de) * 1985-04-26 1986-10-30 Röhm GmbH, 6100 Darmstadt Verfahren zur isolierung von aromatischen polyethern

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432466A (en) * 1966-11-14 1969-03-11 Gen Electric Process of making poly-(2,6-diaryl-1,4-phenylene ethers)
CH508000A (de) * 1967-03-28 1971-05-31 Sumitomo Chemical Co Verfahren zur Herstellung von Polyphenylenoxydverbindungen
NL7203607A (it) * 1971-03-24 1972-09-26
CA1032295A (en) * 1973-10-01 1978-05-30 General Electric Company Process for the preparation of polyphenylene ethers at elevated pressure
JPS5217880B2 (it) * 1974-05-25 1977-05-18
US3988297A (en) * 1974-07-03 1976-10-26 General Electric Process for the preparation of polyphenylene ethers with activated copper-amine catalysts
US3965069A (en) * 1974-12-20 1976-06-22 General Electric Company Polyphenylene oxide is prepared using a mixture of manganese chelates as a catalyst
US3984374A (en) * 1975-04-01 1976-10-05 General Electric Company Catalyst removal from polyphenylene ether reaction solutions by aqueous extraction with ammonium salts

Also Published As

Publication number Publication date
AU2978877A (en) 1979-04-26
NL7711455A (nl) 1978-04-20
AU515521B2 (en) 1981-04-09
DE2746420A1 (de) 1978-04-20
FR2367787A1 (fr) 1978-05-12
CA1101150A (en) 1981-05-12
GB1537807A (en) 1979-01-04
JPS5373297A (en) 1978-06-29
US4035357A (en) 1977-07-12

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