EP0775221A4 - Process of making polybenzazole nonwoven fabric - Google Patents

Process of making polybenzazole nonwoven fabric

Info

Publication number
EP0775221A4
EP0775221A4 EP95928723A EP95928723A EP0775221A4 EP 0775221 A4 EP0775221 A4 EP 0775221A4 EP 95928723 A EP95928723 A EP 95928723A EP 95928723 A EP95928723 A EP 95928723A EP 0775221 A4 EP0775221 A4 EP 0775221A4
Authority
EP
European Patent Office
Prior art keywords
nonwoven fabric
polybenzazole
making
making polybenzazole
nonwoven
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.)
Granted
Application number
EP95928723A
Other languages
German (de)
French (fr)
Other versions
EP0775221A1 (en
EP0775221B1 (en
Inventor
Kazuyuki Yabuki
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
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of EP0775221A1 publication Critical patent/EP0775221A1/en
Publication of EP0775221A4 publication Critical patent/EP0775221A4/en
Application granted granted Critical
Publication of EP0775221B1 publication Critical patent/EP0775221B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Artificial Filaments (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
EP95928723A 1994-08-03 1995-08-02 Process of making polybenzazole nonwoven fabric Expired - Lifetime EP0775221B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP18242094 1994-08-03
JP182420/94 1994-08-03
JP18242094A JP3541966B2 (en) 1994-08-03 1994-08-03 Method for producing nonwoven fabric of polybenzazole fiber
PCT/US1995/009818 WO1996004413A1 (en) 1994-08-03 1995-08-02 Process of making polybenzazole nonwoven fabric

Publications (3)

Publication Number Publication Date
EP0775221A1 EP0775221A1 (en) 1997-05-28
EP0775221A4 true EP0775221A4 (en) 1997-11-12
EP0775221B1 EP0775221B1 (en) 2002-12-18

Family

ID=16117977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95928723A Expired - Lifetime EP0775221B1 (en) 1994-08-03 1995-08-02 Process of making polybenzazole nonwoven fabric

Country Status (6)

Country Link
EP (1) EP0775221B1 (en)
JP (1) JP3541966B2 (en)
CA (1) CA2194989A1 (en)
DE (1) DE69529221T2 (en)
ES (1) ES2186726T3 (en)
WO (1) WO1996004413A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5534205A (en) * 1994-08-05 1996-07-09 The Dow Chemical Company Method for preparing polybenzoxazole or polybenzothiazole fibers
US5633161A (en) * 1995-03-29 1997-05-27 Millennium Pharmaceuticals, Inc. Murine gene fomy030 coding for tumor progression inhibitor
CN101495689B (en) * 2006-07-31 2011-04-06 纳幕尔杜邦公司 Nonwoven web comprising polyarenazole microfibers and process for making same
EP2591847A4 (en) * 2010-07-07 2013-11-27 Mitsubishi Rayon Co Drying device and drying method for hollow fiber membranes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285338A2 (en) * 1987-04-03 1988-10-05 Gates Formed-Fibre Products Inc. Fire retardant structural textile panel
JPH0284511A (en) * 1988-09-20 1990-03-26 Mitsui Petrochem Ind Ltd Production of polybenzthiazole drawn fiber, polybenzoxazole drawn fiber or polybenzimidazole drawn fiber
US5164131A (en) * 1990-09-19 1992-11-17 The Dow Chemical Company Methods for synthesizing pulps and short fibers containing polybenzazole polymers
US5233821A (en) * 1991-02-25 1993-08-10 The Dow Chemical Company Protective garment containing polybenzazole

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285338A2 (en) * 1987-04-03 1988-10-05 Gates Formed-Fibre Products Inc. Fire retardant structural textile panel
JPH0284511A (en) * 1988-09-20 1990-03-26 Mitsui Petrochem Ind Ltd Production of polybenzthiazole drawn fiber, polybenzoxazole drawn fiber or polybenzimidazole drawn fiber
US5164131A (en) * 1990-09-19 1992-11-17 The Dow Chemical Company Methods for synthesizing pulps and short fibers containing polybenzazole polymers
US5233821A (en) * 1991-02-25 1993-08-10 The Dow Chemical Company Protective garment containing polybenzazole

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 280 (C - 0729) 18 June 1990 (1990-06-18) *
See also references of WO9604413A1 *

Also Published As

Publication number Publication date
DE69529221T2 (en) 2003-08-21
JPH0849156A (en) 1996-02-20
WO1996004413A1 (en) 1996-02-15
DE69529221D1 (en) 2003-01-30
CA2194989A1 (en) 1996-02-15
ES2186726T3 (en) 2003-05-16
EP0775221A1 (en) 1997-05-28
EP0775221B1 (en) 2002-12-18
JP3541966B2 (en) 2004-07-14
MX9700815A (en) 1997-09-30

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