CA1215192A - Production of high molecular weight polybenzimidazoles - Google Patents

Production of high molecular weight polybenzimidazoles

Info

Publication number
CA1215192A
CA1215192A CA000444897A CA444897A CA1215192A CA 1215192 A CA1215192 A CA 1215192A CA 000444897 A CA000444897 A CA 000444897A CA 444897 A CA444897 A CA 444897A CA 1215192 A CA1215192 A CA 1215192A
Authority
CA
Canada
Prior art keywords
polybenzimidazole
molecular weight
accordance
stage
polymerization
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
Application number
CA000444897A
Other languages
English (en)
French (fr)
Inventor
Eui W. Choe
Anthony B. Conciatori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Celanese Corp
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Application granted granted Critical
Publication of CA1215192A publication Critical patent/CA1215192A/en
Expired legal-status Critical Current

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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/18—Polybenzimidazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
CA000444897A 1983-01-28 1984-01-09 Production of high molecular weight polybenzimidazoles Expired CA1215192A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/461,888 US4452972A (en) 1983-01-28 1983-01-28 Production of high molecular weight polybenzimidazole with aryl phosphonic acid or aryl phosphinic acid catalyst
US461,888 1983-01-28

Publications (1)

Publication Number Publication Date
CA1215192A true CA1215192A (en) 1986-12-09

Family

ID=23834351

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000444897A Expired CA1215192A (en) 1983-01-28 1984-01-09 Production of high molecular weight polybenzimidazoles

Country Status (5)

Country Link
US (1) US4452972A (enExample)
EP (1) EP0115944B1 (enExample)
JP (1) JPS59142222A (enExample)
CA (1) CA1215192A (enExample)
DE (1) DE3475314D1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260365A (en) * 1982-09-17 1993-11-09 Dow Chemical Co Liquid crystalline polymer compositions, process, and products
US5374706A (en) * 1982-09-17 1994-12-20 The Dow Chemical Company Liquid crystalline polymer compositions process, and products
US4533725A (en) * 1983-01-28 1985-08-06 Delanese Corporation Synthesis of high molecular weight polybenzimidazole with arylhalo phosphorus compound catalyst
US4672104A (en) * 1984-08-31 1987-06-09 Celanese Corporation Two stage polybenzimidazole process and product
JPS62183881A (ja) * 1986-02-07 1987-08-12 Res Dev Corp Of Japan 複素芳香族高分子超薄膜の製造方法
US4810730A (en) * 1986-03-03 1989-03-07 Hoechst Celanese Corp. Moldable polybenzimidazole filaments and process for producing molded and foamed products from these filaments
JPS6322833A (ja) * 1986-06-05 1988-01-30 ヘキスト　セラニーズ　コーポレーション ２段階ポリベンズイミダゾ−ル法の改良
US5322916A (en) * 1993-03-16 1994-06-21 The Dow Chemical Company Method for the preparation of amide oligomers and polybenzazole polymers therefrom
JP3607004B2 (ja) * 1996-07-05 2005-01-05 クラリアント インターナショナル リミテッド ポリベンゾイミダゾール系化合物の溶液およびその製法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1000525A (en) * 1962-07-20 1965-08-04 Teijin Ltd Process for preparation of polybenzimidazoles
US4312976A (en) * 1980-07-15 1982-01-26 Celanese Corporation Single-stage melt polymerization process for the production of high molecular weight polybenzimidazole

Also Published As

Publication number Publication date
EP0115944B1 (en) 1988-11-23
JPH0450927B2 (enExample) 1992-08-17
EP0115944A2 (en) 1984-08-15
EP0115944A3 (en) 1985-12-27
JPS59142222A (ja) 1984-08-15
DE3475314D1 (en) 1988-12-29
US4452972A (en) 1984-06-05

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Legal Events

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