CA2199514A1 - Process for the preparation of polybenzazole filaments and fibres - Google Patents

Process for the preparation of polybenzazole filaments and fibres

Info

Publication number
CA2199514A1
CA2199514A1 CA 2199514 CA2199514A CA2199514A1 CA 2199514 A1 CA2199514 A1 CA 2199514A1 CA 2199514 CA2199514 CA 2199514 CA 2199514 A CA2199514 A CA 2199514A CA 2199514 A1 CA2199514 A1 CA 2199514A1
Authority
CA
Canada
Prior art keywords
filament
water
dope
washing
percent
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.)
Abandoned
Application number
CA 2199514
Other languages
English (en)
French (fr)
Inventor
Ashish Sen
Yoshihiko Teramoto
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.)
Dow Chemical Co
Original Assignee
Individual
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
Priority claimed from US08/500,651 external-priority patent/US5525638A/en
Application filed by Individual filed Critical Individual
Publication of CA2199514A1 publication Critical patent/CA2199514A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/74—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
CA 2199514 1994-09-30 1995-09-08 Process for the preparation of polybenzazole filaments and fibres Abandoned CA2199514A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US31626694A 1994-09-30 1994-09-30
US08/316,266 1994-09-30
US08/500,651 US5525638A (en) 1994-09-30 1995-07-12 Process for the preparation of polybenzazole filaments and fibers
US08/500,651 1995-07-12

Publications (1)

Publication Number Publication Date
CA2199514A1 true CA2199514A1 (en) 1996-04-11

Family

ID=26980332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2199514 Abandoned CA2199514A1 (en) 1994-09-30 1995-09-08 Process for the preparation of polybenzazole filaments and fibres

Country Status (6)

Country Link
EP (1) EP0783603B1 (zh)
CN (1) CN1159836A (zh)
CA (1) CA2199514A1 (zh)
DE (1) DE69513844T2 (zh)
MX (1) MX9702304A (zh)
WO (1) WO1996010661A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1300490B1 (en) * 2000-04-28 2007-06-13 Toyo Boseki Kabushiki Kaisha Polybenzazole fiber and use of the same
ATE512925T1 (de) * 2001-11-23 2011-07-15 Inventio Ag Aufzugssystem
AU2003244068A1 (en) 2002-06-26 2004-01-19 Toyo Boseki Kabushiki Kaisha Polybenzazole fiber and use thereof
US7189346B2 (en) 2004-07-22 2007-03-13 E. I. Du Pont De Nemours And Company Polybenzazole fibers and processes for their preparation
US8202965B2 (en) * 2005-03-28 2012-06-19 E.I. Du Pont De Nemours And Company Fusion free hydrolysis of polyphosphoric acid in spun multifilament yarns
US7906615B2 (en) * 2005-03-28 2011-03-15 Magellan Systems International, Llc Process for hydrolyzing polyphosphoric acid in a spun yarn
DE602006019564D1 (de) 2005-03-28 2011-02-24 Du Pont Verfahren zur entfernung von phosphor von einer faser oder einem garn
CN101258272B (zh) * 2005-03-28 2010-12-29 纳幕尔杜邦公司 热表面水解纺成纱线中的多磷酸
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
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5273703A (en) * 1992-08-13 1993-12-28 The Dow Chemical Company Process for post-spin finishing of polybenzoxazole fibers
US5292469A (en) * 1993-01-05 1994-03-08 The Dow Chemical Company Process for coagulation, washing and leaching of shaped polybenzazole articles
US5393478A (en) * 1993-08-20 1995-02-28 The Dow Chemical Company Process for coagulation and washing of polybenzazole fibers

Also Published As

Publication number Publication date
DE69513844T2 (de) 2000-07-27
WO1996010661A1 (en) 1996-04-11
EP0783603B1 (en) 1999-12-08
MX9702304A (es) 1997-06-28
EP0783603A1 (en) 1997-07-16
CN1159836A (zh) 1997-09-17
DE69513844D1 (de) 2000-01-13

Similar Documents

Publication Publication Date Title
US5525638A (en) Process for the preparation of polybenzazole filaments and fibers
EP1769109B1 (en) Process for removing polyphosphoric acid from polybenzazole filaments
JP3613719B2 (ja) ポリベンザゾール繊維の製造方法
KR101337688B1 (ko) 방사된 실 중의 폴리인산의 가수분해 방법
EP1863956B1 (en) Process for removing phosphorous from a fiber or yarn
US5393478A (en) Process for coagulation and washing of polybenzazole fibers
US5429787A (en) Method for rapid drying of a polybenzazole fiber
EP0783603B1 (en) Process for the preparation of polybenzazole filaments and fibres
JP3651621B2 (ja) ポリベンザゾール繊維の製造方法
MXPA97002304A (en) Procedure for the preparation of filaments and polibenza fibers
US5585052A (en) Process for the preparation of polybenzazole staple fiber
EP1869233B1 (en) Process for removing cations from polyareneazole fiber
EP1863955B1 (en) Polyareneazole polymer fibers having pendant hydroxyl groups and cations
EP0672201B1 (en) Method for rapid drying of a polybenzazole fiber
JP3528936B2 (ja) ポリベンザゾール繊維の製造方法
JP3480128B2 (ja) 高弾性率ポリパラフエニレンベンゾビスオキサゾールマルチフィラメントの製造法
JPH0841728A (ja) 高弾性率ポリベンザゾール繊維
JPH07157919A (ja) ポリベンザゾール繊維の高速紡糸方法
JP2004059797A (ja) ポリベンザゾール成形体の製造方法

Legal Events

Date Code Title Description
FZDE Dead