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EP1169501B1 - Fibre synthetique monofilaire - Google Patents

Fibre synthetique monofilaire Download PDF

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Publication number
EP1169501B1
EP1169501B1 EP00920434A EP00920434A EP1169501B1 EP 1169501 B1 EP1169501 B1 EP 1169501B1 EP 00920434 A EP00920434 A EP 00920434A EP 00920434 A EP00920434 A EP 00920434A EP 1169501 B1 EP1169501 B1 EP 1169501B1
Authority
EP
European Patent Office
Prior art keywords
monofilament
polyurethane
synthetic
synthetic fiber
polybutylene terephthalate
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
EP00920434A
Other languages
German (de)
English (en)
Other versions
EP1169501A1 (fr
Inventor
Hans Hinterkeuser
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.)
HAHL MONOFIL GMBH
Original Assignee
Hahl Monofil GmbH
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=7901622&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1169501(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hahl Monofil GmbH filed Critical Hahl Monofil GmbH
Publication of EP1169501A1 publication Critical patent/EP1169501A1/fr
Application granted granted Critical
Publication of EP1169501B1 publication Critical patent/EP1169501B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters

Definitions

  • the invention relates to monofilament synthetic fibers based on polybutylene terephthalate.
  • Monofilament synthetic fibers made from polybutylene terephthalate (PBT) known e.g. Hansjürgen Saechtling: plastic pocket book, 22nd edition, 1983, page 298 ff., Carl Hanser-Verlag, Kunststoff. These monofilaments can be used for production, for example of fabrics and screens for paper machines. Because such monofilaments are particularly strong in use are mechanically and chemically stressed, there is Strive to such synthetic fibers based on polybutylene terephthalate in terms of their mechanical and chemical To improve properties.
  • WO 99/15047 A are plastic bristles made of polybutylene terephthalate and 1-25% by weight of polyurethane and their use known as wash brushes in car washes.
  • WO 99/15047 A is a publication which is included in the article 54 (3) EPC for the contracting states AT, BE, CH, DE, DK, ES, FR, GB, IE, IT, LI, NL, PT, SE, FI falls.
  • the object of the invention is a synthetic fiber based on polybutylene terephthalate specify which compared to synthetic fibers from pure polybutylene terephthalate better properties with regard to abrasion resistance and dimensional stability, is nevertheless sufficiently flexible.
  • a monofilament synthetic fiber according to the invention can be after manufacture usual extrusion spinning processes.
  • Commodity Trokken Kunststofftrockner ensure in advance that the raw material mixture, which is fed to the extruder, not one has a high moisture content. Come as an extruder both single and twin screws with and without degassing for use. All other parts of the system correspond to those for the technical conditions necessary for standard monofilament production.
  • the monofilament according to the invention is particularly preferred Synthetic fiber for the production of fabrics or sieves, especially for paper machine clothing.
  • This paper machine clothing can be inside the paper machine both in the wire section and in the press section as well as in the dryer section.
  • Synthetic fiber from pure polybutylene terephthalate examined, with a thread diameter of 0.22 mm. This thread diameter was examined because in the wet felt area Such a thread is often used in paper machines becomes. This synthetic fiber is referred to below as synthetic fiber I.
  • a monofilament synthetic fiber according to the invention investigated with the following composition: 95.0% by weight of polybutylene terephthalate and 5.0 wt% polyurethane, this fiber is referred to below as synthetic fiber II. She pointed also a diameter of 0.22 mm.
  • Synthetic fiber I Synthetic fiber II Tours [RPM] 100 100 Time [s] 10 10 Abrasion [%] 5 3 Tours [RPM] 100 100 Time [s] 20 20 Abrasion [%] 13 7 Tours [RPM] 100 100 Time [s] 30 30 Abrasion [%] 21 11

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Woven Fabrics (AREA)
  • Materials For Medical Uses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (3)

  1. Fibre synthétique monofilaire à base de téréphtalate de polybutylène, non sous la forme de soies, consistant en un mélange de téréphtalate de polybutylène et de polyuréthane avec 1 jusqu'à 30 % en poids de polyuréthane et le complément à 100% en poids de téréphtalate de polybutylène.
  2. Fibre synthétique monofilaire selon la revendication 1, caractérisé par 1 à 10 % en poids de polyuréthane et le complément à 100 % en poids de téréphtalate de polybutylène.
  3. Utilisation d'une fibre synthétique monofilaire selon la revendication 1 ou 2, dans les tissus ou toiles, en particulier pour les entoilages de machines à papier.
EP00920434A 1999-03-19 2000-02-11 Fibre synthetique monofilaire Revoked EP1169501B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19912371 1999-03-19
DE19912371A DE19912371A1 (de) 1999-03-19 1999-03-19 Monofile Kunstfaser
PCT/EP2000/001114 WO2000056957A1 (fr) 1999-03-19 2000-02-11 Fibre synthetique monofilaire

Publications (2)

Publication Number Publication Date
EP1169501A1 EP1169501A1 (fr) 2002-01-09
EP1169501B1 true EP1169501B1 (fr) 2004-11-10

Family

ID=7901622

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00920434A Revoked EP1169501B1 (fr) 1999-03-19 2000-02-11 Fibre synthetique monofilaire

Country Status (4)

Country Link
EP (1) EP1169501B1 (fr)
AT (1) ATE282102T1 (fr)
DE (2) DE19912371A1 (fr)
WO (1) WO2000056957A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1614779B1 (fr) 2004-07-06 2010-03-17 Voith Patent GmbH Monofilament résistant à l'abrasion pour tissus industriels

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2064400T5 (es) * 1989-03-17 2001-03-01 Jwi Ltd Tela de formacion de poliester modificado por poliuretano estabilizado.
US4973512A (en) * 1990-04-03 1990-11-27 Mount Vernon Mills, Inc. Press felt for use in papermaking machine
DE4410399A1 (de) * 1994-03-25 1995-09-28 Hoechst Ag Abriebfeste Polyestermischung mit erhöhter Verarbeitungssicherheit, Monofilamente daraus und deren Herstellung und Verwendung
DE19741899A1 (de) * 1997-09-22 1999-03-25 Hahl Erwin Gmbh Kunststoffborsten für die Waschbürsten von automatischen Autowaschanlagen

Also Published As

Publication number Publication date
DE50008599D1 (de) 2004-12-16
DE19912371A1 (de) 2000-09-21
WO2000056957A1 (fr) 2000-09-28
ATE282102T1 (de) 2004-11-15
EP1169501A1 (fr) 2002-01-09

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