DE3367231D1 - Production of improved high molecular weight polybenzimidazoles - Google Patents

Production of improved high molecular weight polybenzimidazoles

Info

Publication number
DE3367231D1
DE3367231D1 DE8383304158T DE3367231T DE3367231D1 DE 3367231 D1 DE3367231 D1 DE 3367231D1 DE 8383304158 T DE8383304158 T DE 8383304158T DE 3367231 T DE3367231 T DE 3367231T DE 3367231 D1 DE3367231 D1 DE 3367231D1
Authority
DE
Germany
Prior art keywords
production
molecular weight
high molecular
improved high
polybenzimidazoles
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
DE8383304158T
Other languages
English (en)
Inventor
Eui Won 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 DE3367231D1 publication Critical patent/DE3367231D1/de
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)
DE8383304158T 1982-07-19 1983-07-18 Production of improved high molecular weight polybenzimidazoles Expired DE3367231D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/399,610 US4452971A (en) 1982-07-19 1982-07-19 Production of improved high molecular weight polybenzimidazole with tin containing catalyst

Publications (1)

Publication Number Publication Date
DE3367231D1 true DE3367231D1 (en) 1986-12-04

Family

ID=23580214

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383304158T Expired DE3367231D1 (en) 1982-07-19 1983-07-18 Production of improved high molecular weight polybenzimidazoles

Country Status (4)

Country Link
US (1) US4452971A (de)
EP (1) EP0102171B1 (de)
JP (1) JPS5927922A (de)
DE (1) DE3367231D1 (de)

Families Citing this family (23)

* 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
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
US5577630A (en) 1995-02-02 1996-11-26 Thiokol Corporation Composite conformable pressure vessel
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
DE10242708A1 (de) * 2002-09-13 2004-05-19 Celanese Ventures Gmbh Protonenleitende Membranen und deren Verwendung
US6946015B2 (en) * 2003-06-26 2005-09-20 The Regents Of The University Of California Cross-linked polybenzimidazole membrane for gas separation
US7968030B2 (en) * 2005-03-28 2011-06-28 E.I. Du Pont De Nemours And Company Hot surface hydrolysis of polyphosphoric acid in spun yarns
KR101327632B1 (ko) * 2005-03-28 2013-11-12 마젤란 시스템즈 인터내셔날, 엘엘시 폴리아렌아졸 필라멘트 중 폴리인산의 가수분해 방법
CN101213329B (zh) * 2005-03-28 2011-01-19 纳幕尔杜邦公司 具有羟基侧基和阳离子的聚芳烃唑聚合物纤维
US7906615B2 (en) 2005-03-28 2011-03-15 Magellan Systems International, Llc Process for hydrolyzing polyphosphoric acid in a spun yarn
CN101203547A (zh) 2005-03-28 2008-06-18 纳幕尔杜邦公司 高特性粘度聚合物和由其制成的纤维
US7683157B2 (en) 2005-03-28 2010-03-23 E.I. Du Pont De Nemours And Company Process for the production of polyarenazole polymer
US7754846B2 (en) * 2005-03-28 2010-07-13 E. I. Du Pont De Nemours And Company Thermal processes for increasing polyareneazole inherent viscosities
KR101327612B1 (ko) * 2005-03-28 2013-11-12 마젤란 시스템즈 인터내셔날, 엘엘시 방사된 멀티필라멘트사 중의 폴리인산의 무-융합 가수분해
WO2006105076A2 (en) * 2005-03-28 2006-10-05 E.I. Du Pont De Nemours And Company Processes for preparing monomer complexes
WO2006105080A1 (en) 2005-03-28 2006-10-05 E.I. Du Pont De Nemours And Company Processes for increasing polymer inherent viscosity
US7977453B2 (en) * 2005-03-28 2011-07-12 E. I. Du Pont De Nemours And Company Processes for hydrolyzing polyphosphoric acid in shaped articles
ATE417951T1 (de) * 2005-03-28 2009-01-15 Du Pont Verfahren zur herstellung von polyarenazolgarn
US7906613B2 (en) 2005-03-28 2011-03-15 Magellan Systems International, Llc Process for removing cations from polyareneazole fiber
DE602006004037D1 (de) 2005-03-28 2009-01-15 Du Pont Verfahren zur herstellung von polyarenazolen mit höher inhärenter viskosität unter verwendung von metallpulvern
US7888457B2 (en) 2005-04-01 2011-02-15 E. I. Du Pont De Nemours And Company Process for removing phosphorous from a fiber or yarn
CN116063679B (zh) * 2023-03-16 2024-03-29 山东正熵能源科技有限公司 一种利用微波辅助合成高分子量聚苯并咪唑类化合物的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509108A (en) * 1969-03-04 1970-04-28 Celanese Corp 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
JPS5927922A (ja) 1984-02-14
EP0102171B1 (de) 1986-10-29
EP0102171A1 (de) 1984-03-07
US4452971A (en) 1984-06-05

Similar Documents

Publication Publication Date Title
DE3367231D1 (en) Production of improved high molecular weight polybenzimidazoles
GB2114594B (en) Middistillate production
GB8303740D0 (en) Production of low molecular weight polymers
ZA83357B (en) Process for the production of high molecular weight polyester
GB2085801B (en) Production of fibroues insulation
GB8300215D0 (en) Production of benzene
DE3467762D1 (en) High molecular weight polybenzimidazole production
GB2070042B (en) Preparation of high molecular weight polyester
GB8321678D0 (en) Production of methanol
GB8322614D0 (en) Production of products
GB8330439D0 (en) Production of ethanol
JPS5790807A (en) Insulator having high strength
JPS54117596A (en) Production of high molecular weight polyester
DE3475314D1 (en) Production of high molecular weight polybenzimidazoles
DE3362888D1 (en) High molecular weight polybenzimidazoles
DE3367403D1 (en) Single stage production of improved high molecular weight polybenzimidazole
GB8326415D0 (en) Manufacture of articles
DE3475407D1 (en) Synthesis of high molecular weight polybenzimidazoles
ZA832470B (en) Lankacidins production
GB8324788D0 (en) Production of chlorophosphanes etc
DE3366378D1 (en) Novel 2-beta-d-ribofuranosylselenazole-4-carboxamide compounds and methods for their production
GB2131017B (en) Production of condensed bromoacenaphthylene
GB8324447D0 (en) Production of pure nitrogen
GB8305801D0 (en) Manufacture of articles
IL68524A0 (en) Novel dihydropyridines

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee