IT8922662A0 - Procedimento perfezionato per la preparazione di poli(2,6-dimetil-p- ossifenilene) modificato - Google Patents

Procedimento perfezionato per la preparazione di poli(2,6-dimetil-p- ossifenilene) modificato

Info

Publication number
IT8922662A0
IT8922662A0 IT22662A IT2266289A IT8922662A0 IT 8922662 A0 IT8922662 A0 IT 8922662A0 IT 22662 A IT22662 A IT 22662A IT 2266289 A IT2266289 A IT 2266289A IT 8922662 A0 IT8922662 A0 IT 8922662A0
Authority
IT
Italy
Prior art keywords
oxyphenylene
dimethyl
preparation
modified poly
improved procedure
Prior art date
Application number
IT22662A
Other languages
English (en)
Other versions
IT1237531B (it
IT8922662A1 (it
Inventor
Ugo Pedretti
Alberto Gandini
Arnaldo Roggero
Raffaello Sisto
Original Assignee
Snam Spa
Eniricerche Spa
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 Snam Spa, Eniricerche Spa filed Critical Snam Spa
Priority to IT02266289A priority Critical patent/IT1237531B/it
Publication of IT8922662A0 publication Critical patent/IT8922662A0/it
Priority to EP90203149A priority patent/EP0432827A1/en
Priority to US07/623,100 priority patent/US5169416A/en
Priority to CA002031978A priority patent/CA2031978A1/en
Priority to JP2410241A priority patent/JPH0436317A/ja
Publication of IT8922662A1 publication Critical patent/IT8922662A1/it
Application granted granted Critical
Publication of IT1237531B publication Critical patent/IT1237531B/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
    • C08G65/48—Polymers modified by chemical after-treatment
    • C08G65/485—Polyphenylene oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polyethers (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
IT02266289A 1989-12-12 1989-12-12 Procedimento perfezionato per la preparazione di poli(2,6-dimetil-p- ossifenilene) modificato IT1237531B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT02266289A IT1237531B (it) 1989-12-12 1989-12-12 Procedimento perfezionato per la preparazione di poli(2,6-dimetil-p- ossifenilene) modificato
EP90203149A EP0432827A1 (en) 1989-12-12 1990-11-29 Improved process for preparing modified poly-(2,6-dimethyl-p-oxyphenylene)
US07/623,100 US5169416A (en) 1989-12-12 1990-12-06 Process for preparing modified poly-(2,6-dimethyl-p-oxyphenylene)
CA002031978A CA2031978A1 (en) 1989-12-12 1990-12-11 Process for preparing modified poly-(2,6-dimethyl-p-oxyphenylene)
JP2410241A JPH0436317A (ja) 1989-12-12 1990-12-12 無定形の変性ポリ−（２，６−ジメチル−ｐ−オキシフェニレン）の製法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02266289A IT1237531B (it) 1989-12-12 1989-12-12 Procedimento perfezionato per la preparazione di poli(2,6-dimetil-p- ossifenilene) modificato

Publications (3)

Publication Number Publication Date
IT8922662A0 true IT8922662A0 (it) 1989-12-12
IT8922662A1 IT8922662A1 (it) 1991-06-12
IT1237531B IT1237531B (it) 1993-06-08

Family

ID=11199002

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02266289A IT1237531B (it) 1989-12-12 1989-12-12 Procedimento perfezionato per la preparazione di poli(2,6-dimetil-p- ossifenilene) modificato

Country Status (5)

Country Link
US (1) US5169416A (it)
EP (1) EP0432827A1 (it)
JP (1) JPH0436317A (it)
CA (1) CA2031978A1 (it)
IT (1) IT1237531B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5364454A (en) * 1993-06-30 1994-11-15 Praxair Technology, Inc. Fluid separation composite membranes prepared from sulfonated aromatic polymers in lithium salt form
DE19622338A1 (de) * 1996-06-04 1997-12-11 Dlr Deutsche Forschungsanstalt Modifizierung von Polymeren
AU2003224714A1 (en) * 2002-03-21 2003-10-08 The Regents Of The University Of California Conducting polymer activators based on microporous asymmetric membranes
WO2015023381A1 (en) * 2013-08-16 2015-02-19 Exxonmobil Chemical Patents Inc. Stabilized poly(arylene ether) compositions and methods of making them

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3402144A (en) * 1967-10-05 1968-09-17 Gen Electric Alkali metal-containing polyphenylene ethers
US3522326A (en) * 1967-10-05 1970-07-28 Gen Electric Graft copolymers of polyphenylene ethers
US3402143A (en) * 1967-10-05 1968-09-17 Gen Electric Method for decolorization and capping polyphenylene ethers
US3417053A (en) * 1967-10-05 1968-12-17 Gen Electric Moisture-curable alkoxysilyl substituted polyphenylene ethers
US4521224A (en) * 1982-03-12 1985-06-04 The Standard Oil Company Semipermeable membranes prepared from polymers containing pendent sulfone groups
CA1197196A (en) * 1982-06-16 1985-11-26 The Standard Oil Company Process for separating gaseous mixtures using a semipermeable membrane constructed from substituted poly(arylene oxide) polymer
US4586939A (en) * 1982-08-26 1986-05-06 The Standard Oil Company Process for separating gaseous mixtures using a semipermeable membrane constructed from substituted poly(arylene oxide) polymer
US4647297A (en) * 1983-06-30 1987-03-03 Monsanto Company Benzyl substituted phenylene oxide membrane
US4530703A (en) * 1983-06-30 1985-07-23 Monsanto Company Cross-linked polyarylene oxide membranes
JPS60216802A (ja) * 1984-04-11 1985-10-30 Mitsubishi Gas Chem Co Inc 気体分離膜
JPS6118402A (ja) * 1984-07-04 1986-01-27 Toray Ind Inc 気体分離用中空糸膜およびその製造方法
US4596860A (en) * 1984-10-03 1986-06-24 The Standard Oil Company Process for the modification of aromatic polymers via Friedel-Crafts reactions to produce novel polymers and the use thereof
JPH0628708B2 (ja) * 1985-04-30 1994-04-20 財団法人相模中央化学研究所 選択性気体分離膜
JPS6230524A (ja) * 1985-08-01 1987-02-09 Toray Ind Inc 選択透過膜
JPS62110728A (ja) * 1985-11-08 1987-05-21 Matsushita Electric Ind Co Ltd 選択気体透過性複合膜
EP0256530B1 (en) * 1986-08-14 1991-04-10 Toray Industries, Inc. Gas separation membrane
JPS6380826A (ja) * 1986-09-22 1988-04-11 Matsushita Electric Ind Co Ltd 選択性気体透過複合膜
US4746476A (en) * 1986-10-10 1988-05-24 Hoechst Celanese Corporation Ultrathin polyphenylene oxide polymer films and their preparation
NL8701598A (nl) * 1987-07-07 1989-02-01 Delair Droogtech & Lucht Gasscheidingsinrichting alsmede werkwijze voor het scheiden van gassen met behulp van een dergelijke inrichting.

Also Published As

Publication number Publication date
US5169416A (en) 1992-12-08
IT1237531B (it) 1993-06-08
IT8922662A1 (it) 1991-06-12
EP0432827A1 (en) 1991-06-19
JPH0436317A (ja) 1992-02-06
CA2031978A1 (en) 1991-06-13

Similar Documents

Publication Publication Date Title
IT8920207A0 (it) Procedimento per la preparazione di perfluoropolieteri perossidici.
IT1230779B (it) Procedimento per preparare 1,1,1,2 tetrafluoroetano.
IT8522668A0 (it) Procedimento per la preparazione di (2,2)-paraciclofani alogenati e miscele di (2,2)-paraciclofani alogenati ottenuti.
ES2021411B3 (es) Proceso para la preparacion de (2,2) paraciclofano.
IT8820935A0 (it) Procedimento per la preparazione di 1,2,5,6,9,10 esabromociclododecano.
IT1216560B (it) Procedimento per la preparazione di bis(2,2,6,6_tetrametil_4_piperidil)ammina.
IT1230068B (it) Procedimento per la preparazione di n sulfoniluree.
IT8921160A0 (it) Procedimento per la preparazione di 1,2 dicloro 1,1,2 trifluoroetano.
IT1229501B (it) Procedimento per la preparazione di polimeri triazinici.
IT9067657A1 (it) Procedimento per la preparazione di alfa-alchil-lattoni.
NO903347D0 (no) Fremgangsmaate for fremstilling av 14,17alfa-ethano- og ethanooestratriener.
IT1236969B (it) Procedimento di preparazione di 3-ciano-3,5,5'-trimetil-1-cicloesanone.
IT8922662A0 (it) Procedimento perfezionato per la preparazione di poli(2,6-dimetil-p- ossifenilene) modificato
IT8619206A0 (it) Procedimento per la preparazione di 4,4-dialchil-2-azetidinoni.
IT1230153B (it) Procedimento per preparare 1,1,1 trifluoro-2,2-dicloroetano
IT8722055A0 (it) Procedimento per la preparazione di idantoine 5-ariliden e alchilidensostituite.
IT9067138A1 (it) Procedimento per la preparazione di alfa-alchil lattoni.
IT8723035A0 (it) Procedimento per la preparazione di n acilaniline.
IT1229510B (it) Procedimento per la preparazione di alfa bromoalcilfluoruri.
MX5413A (es) Procedimiento para la preparacion de n-benzoil-n'-fenilureas.
IT8719475A0 (it) Procedimento per la preparazione di encainide.
IT1226147B (it) Processo per la preparazione di perfluoro (2 bromoetilviniletere).
ES2016651B3 (es) Proceso mejorado para la preparacion de n,n'tetratiodimorfolinas.
IT8719073A0 (it) Procedimento per la preparazione di omega-isopropossifenolo.
IT1230745B (it) Procedimento per la preparazione di n fosfonometilglicina.

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941213