DE69225139D1 - Verfahren zur herstellung von starken diskontinuierlichen fibrillen - Google Patents

Verfahren zur herstellung von starken diskontinuierlichen fibrillen

Info

Publication number
DE69225139D1
DE69225139D1 DE69225139T DE69225139T DE69225139D1 DE 69225139 D1 DE69225139 D1 DE 69225139D1 DE 69225139 T DE69225139 T DE 69225139T DE 69225139 T DE69225139 T DE 69225139T DE 69225139 D1 DE69225139 D1 DE 69225139D1
Authority
DE
Germany
Prior art keywords
fibrilles
producing strong
strong discontinuous
discontinuous
producing
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.)
Revoked
Application number
DE69225139T
Other languages
English (en)
Other versions
DE69225139T2 (de
Inventor
Ashok Shah
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25064112&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69225139(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE69225139D1 publication Critical patent/DE69225139D1/de
Application granted granted Critical
Publication of DE69225139T2 publication Critical patent/DE69225139T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/11—Flash-spinning
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
DE69225139T 1991-09-17 1992-09-09 Verfahren zur herstellung von starken diskontinuierlichen fibrillen Revoked DE69225139T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/762,095 US5279776A (en) 1991-09-17 1991-09-17 Method for making strong discrete fibers
PCT/US1992/007399 WO1993006265A1 (en) 1991-09-17 1992-09-09 Method for making strong discrete fibers

Publications (2)

Publication Number Publication Date
DE69225139D1 true DE69225139D1 (de) 1998-05-20
DE69225139T2 DE69225139T2 (de) 1998-12-03

Family

ID=25064112

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225139T Revoked DE69225139T2 (de) 1991-09-17 1992-09-09 Verfahren zur herstellung von starken diskontinuierlichen fibrillen

Country Status (9)

Country Link
US (1) US5279776A (de)
EP (1) EP0604513B1 (de)
JP (1) JPH07501857A (de)
KR (1) KR100208113B1 (de)
CA (1) CA2118903A1 (de)
DE (1) DE69225139T2 (de)
ES (1) ES2114947T3 (de)
TW (1) TW218398B (de)
WO (1) WO1993006265A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9223563D0 (en) * 1992-11-10 1992-12-23 Du Pont Canada Flash spinning process for forming strong discontinuous fibres
US6136911A (en) * 1996-01-11 2000-10-24 E.I. Du Pont De Nemours And Company Fibers flash-spun from partially fluorinated polymers
US5723084A (en) * 1996-03-08 1998-03-03 E. I. Du Pont De Nemours And Company Flash spinning process
US5788993A (en) * 1996-06-27 1998-08-04 E. I. Du Pont De Nemours And Company Spinneret with slotted outlet
WO1998030739A1 (en) 1997-01-09 1998-07-16 E.I. Du Pont De Nemours And Company Fibers flash-spun from fully halogenated polymers
US6200120B1 (en) 1997-12-31 2001-03-13 Kimberly-Clark Worldwide, Inc. Die head assembly, apparatus, and process for meltblowing a fiberforming thermoplastic polymer
US6270709B1 (en) 1998-12-15 2001-08-07 E. I. Du Pont De Nemours And Company Flash spinning polymethylpentene process and product
US20040032041A1 (en) * 2000-12-14 2004-02-19 Hyunkook Shin Flash spinning polycyclopentene
JP2004536235A (ja) * 2001-06-05 2004-12-02 コノコフィリップス カンパニー ポリフィラメント炭素繊維およびそのフラッシュ紡糸方法
TWI238214B (en) * 2001-11-16 2005-08-21 Du Pont Method of producing micropulp and micropulp made therefrom
US20050003035A1 (en) * 2003-04-11 2005-01-06 Jerry Zucker Method for forming polymer materials utilizing modular die units
MX2018012944A (es) 2016-04-25 2019-03-11 Cytec Ind Inc Conjunto de hilador para el hilado de fibras poliméricas.

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081519A (en) * 1962-01-31 1963-03-19 Fibrillated strand
NL300881A (de) * 1962-11-23
US4025593A (en) * 1971-08-06 1977-05-24 Solvay & Cie Fabrication of discontinuous fibrils
BE787033A (de) * 1971-08-06 1973-02-01 Solvay
BE795841A (fr) * 1972-02-25 1973-08-23 Montedison Spa Procede de preparation de fibres a partir de matieres polymeres, convenant a la preparation de pulpe de papier
US3920509A (en) * 1972-10-05 1975-11-18 Hayato Yonemori Process of making polyolefin fibers
US4211737A (en) * 1974-11-19 1980-07-08 Montedison S.P.A. Process for producing synthetic fibers for use in paper-making
IT1054323B (it) * 1975-11-11 1981-11-10 Montedison Spa Procedimento di preparazione di fibrille per carta da soluzioni o di spersioni di polipropilene in n esano
IT1087746B (it) * 1977-10-12 1985-06-04 Montedison Spa Dispositivo per la preparazione di materiale fibroso atto alla fabbricazione di carta sintetica
US4352650A (en) * 1981-03-24 1982-10-05 E. I. Du Pont De Nemours And Company Nozzle for flash-extrusion apparatus
DE3308626C2 (de) * 1983-03-11 1986-02-20 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Fibriden aus thermoplastischen Kunststoffen
MX171962B (es) * 1988-08-30 1993-11-25 Du Pont Proceso mejorado para hilado rapido de cordones de fibrilla-pelicula flexifilamentarios
US4963298A (en) * 1989-02-01 1990-10-16 E. I. Du Pont De Nemours And Company Process for preparing fiber, rovings and mats from lyotropic liquid crystalline polymers

Also Published As

Publication number Publication date
TW218398B (de) 1994-01-01
CA2118903A1 (en) 1993-04-01
ES2114947T3 (es) 1998-06-16
EP0604513B1 (de) 1998-04-15
US5279776A (en) 1994-01-18
WO1993006265A1 (en) 1993-04-01
DE69225139T2 (de) 1998-12-03
JPH07501857A (ja) 1995-02-23
EP0604513A1 (de) 1994-07-06
KR100208113B1 (ko) 1999-07-15

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation