DE69200767D1 - Spannungsfreie thermische Behandlung von Aramid- Fasern und Fibriden. - Google Patents

Spannungsfreie thermische Behandlung von Aramid- Fasern und Fibriden.

Info

Publication number
DE69200767D1
DE69200767D1 DE69200767T DE69200767T DE69200767D1 DE 69200767 D1 DE69200767 D1 DE 69200767D1 DE 69200767 T DE69200767 T DE 69200767T DE 69200767 T DE69200767 T DE 69200767T DE 69200767 D1 DE69200767 D1 DE 69200767D1
Authority
DE
Germany
Prior art keywords
fibrids
stress
thermal treatment
aramid fibers
free thermal
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 - Fee Related
Application number
DE69200767T
Other languages
English (en)
Other versions
DE69200767T2 (de
Inventor
Robert Irwin
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE69200767D1 publication Critical patent/DE69200767D1/de
Application granted granted Critical
Publication of DE69200767T2 publication Critical patent/DE69200767T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/26—Polyamides; Polyimides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Artificial Filaments (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
DE69200767T 1991-04-26 1992-04-24 Spannungsfreie thermische Behandlung von Aramid- Fasern und Fibriden. Expired - Fee Related DE69200767T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/692,162 US5173240A (en) 1991-04-26 1991-04-26 Tension-free heat-treatment of aramid fiber and fibrids
PCT/US1992/003113 WO1992019804A1 (en) 1991-04-26 1992-04-24 Tension-free heat-treatment of aramid fiber and fibrids

Publications (2)

Publication Number Publication Date
DE69200767D1 true DE69200767D1 (de) 1995-01-12
DE69200767T2 DE69200767T2 (de) 1995-05-04

Family

ID=24779500

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69200767T Expired - Fee Related DE69200767T2 (de) 1991-04-26 1992-04-24 Spannungsfreie thermische Behandlung von Aramid- Fasern und Fibriden.

Country Status (8)

Country Link
US (1) US5173240A (de)
EP (1) EP0581887B1 (de)
JP (1) JPH06507214A (de)
AU (1) AU656392B2 (de)
BR (1) BR9205928A (de)
CA (1) CA2108481A1 (de)
DE (1) DE69200767T2 (de)
WO (1) WO1992019804A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5223094A (en) * 1992-05-13 1993-06-29 E. I. Du Pont De Nemours And Company Process for preparing strong aromatic polyamide papers of high porosity
FI100583B (fi) * 1995-08-24 1998-01-15 Oms Optomedical Systems Ltd Oy Menetelmä elastisen turvamateriaalin valmistamiseksi ja elastinen turv amateriaali
US5910231A (en) * 1997-07-22 1999-06-08 E. I. Du Pont De Nemours And Company Aramid papers of improved solvent resistance and dimensionally stable laminates made therefrom
US6103643A (en) * 1998-07-15 2000-08-15 E. I. Du Pont De Nemours And Company High performance fabrics for cartridge filters

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3386965A (en) * 1964-08-31 1968-06-04 Monsanto Co Aromatic polyamides having pendent carboxyl groups and process therefor
US3817941A (en) * 1967-12-27 1974-06-18 Du Pont Wholly aromatic carbocyclic poly-carbonamide fiber having initial modulus in excess of 170 gpd and orientation angle of up to 40 grad
US3888965A (en) * 1970-04-20 1975-06-10 Du Pont Method of increasing the initial modulus and reducing the orientation angle of undrawn poly (para-benzamide) fibers
US4162346A (en) * 1976-09-23 1979-07-24 Celanese Corporation High performance wholly aromatic polyamide fibers
EP0303173B1 (de) * 1987-08-13 1993-12-15 Sumitomo Chemical Company, Limited Blattförmiger Gegenstand aus organischen Fasern und Verfahren zu seiner Herstellung
ATE124731T1 (de) * 1988-11-30 1995-07-15 Dow Chemical Co Nichtlineare aromatische polyamidfaser oder fasereinheit und verfahren zur herstellung.
US4957807A (en) * 1988-11-30 1990-09-18 The Dow Chemical Company Nonlinear aromatic polyamide fiber or fiber assembly
US5039785A (en) * 1989-12-05 1991-08-13 E. I. Du Pont De Nemours And Company Preparation of aromatic polyamide having pendant carboxyl groups

Also Published As

Publication number Publication date
BR9205928A (pt) 1994-08-02
CA2108481A1 (en) 1992-10-27
AU1988892A (en) 1992-12-21
WO1992019804A1 (en) 1992-11-12
US5173240A (en) 1992-12-22
EP0581887B1 (de) 1994-11-30
JPH06507214A (ja) 1994-08-11
DE69200767T2 (de) 1995-05-04
EP0581887A1 (de) 1994-02-09
AU656392B2 (en) 1995-02-02

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Legal Events

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