EP1024218A3 - Process for manufacturing a nonwoven material to be used for instance as underroof membrane - Google Patents

Process for manufacturing a nonwoven material to be used for instance as underroof membrane Download PDF

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Publication number
EP1024218A3
EP1024218A3 EP00101710A EP00101710A EP1024218A3 EP 1024218 A3 EP1024218 A3 EP 1024218A3 EP 00101710 A EP00101710 A EP 00101710A EP 00101710 A EP00101710 A EP 00101710A EP 1024218 A3 EP1024218 A3 EP 1024218A3
Authority
EP
European Patent Office
Prior art keywords
fleece
melt
fibers
plastic
high water
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.)
Withdrawn
Application number
EP00101710A
Other languages
German (de)
French (fr)
Other versions
EP1024218A2 (en
Inventor
Dieter Dipl.-Ing. Jablonka
Klaus Dipl.-Ing. Urban
Norbert Dipl.-Ing. Klingelhage
Jörn Dr. Schröer
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.)
Ewald Doerken AG
Original Assignee
Ewald Doerken AG
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 Ewald Doerken AG filed Critical Ewald Doerken AG
Publication of EP1024218A2 publication Critical patent/EP1024218A2/en
Publication of EP1024218A3 publication Critical patent/EP1024218A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542Adhesive fibres
    • D04H1/544Olefin series
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving

Abstract

Die Erfindung betrifft ein Verfahren zum Herstellen eines Vlieses insbesondere zur Verwendung für Unterspannbahnen für Bedachungen, bestehend aus einem thermoplastischen Kunststoff, bei welchem Verfahren

  • eine Schmelze aus dem Kunststoff hergestellt,
  • die Schmelze mittels eines Extruders kontinuierlich zu Fasern versponnen
  • und aus den Fasern ein Vlies gebildet und insbesondere punktförmig gebondet wird z. B., indem
  • das Vlies durch einen entsprechenden Kalander geführt wird.
The invention relates to a method for producing a nonwoven, in particular for use for underlays for roofs, consisting of a thermoplastic, in which method
  • a melt made from the plastic,
  • the melt is continuously spun into fibers using an extruder
  • and a fleece is formed from the fibers and in particular is point-bonded z. B. by
  • the fleece is passed through an appropriate calender.

Um ein solches Verfahren der vorstehenden Art zu schaffen, mit dem sich ein Vlies herstellen läßt, das sich durch eine hohe Wasserdichtigkeit und gleichzeitig durch eine relativ hohe Wasserdampfdurchlässigkeit auszeichnet, wird erfindungsgemäß vorgesehen, daß für das Vlies ein Hydrophobierungsmittel verwendet wird, das insbesondere der Schmelze des Kunststoffs zugesetzt werden kann.In order to create such a method of the above kind, with which a fleece can be produced, which can be replaced by a high water resistance and at the same time through a relative Characterized by high water vapor permeability, is according to the invention provided that a hydrophobizing agent for the fleece is used, in particular the melt of the plastic can be added.

EP00101710A 1999-01-29 2000-01-27 Process for manufacturing a nonwoven material to be used for instance as underroof membrane Withdrawn EP1024218A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19903663 1999-01-29
DE1999103663 DE19903663A1 (en) 1999-01-29 1999-01-29 Process for producing a nonwoven, in particular for use as roofing underlayment

Publications (2)

Publication Number Publication Date
EP1024218A2 EP1024218A2 (en) 2000-08-02
EP1024218A3 true EP1024218A3 (en) 2002-09-25

Family

ID=7895859

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00101710A Withdrawn EP1024218A3 (en) 1999-01-29 2000-01-27 Process for manufacturing a nonwoven material to be used for instance as underroof membrane

Country Status (2)

Country Link
EP (1) EP1024218A3 (en)
DE (1) DE19903663A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10050510C2 (en) * 2000-10-11 2003-01-09 Sandler C H Gmbh Process for the production of microfiber nonwovens with improved liquid-repellent properties
CA3084635A1 (en) * 2019-06-24 2020-12-24 Owens Corning Intellectual Capital, Llc Roofing underlayment with hydrophobic nonwoven core

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025052A (en) * 1986-09-12 1991-06-18 Minnesota Mining And Manufacturing Company Fluorochemical oxazolidinones
EP0616831A1 (en) * 1993-03-26 1994-09-28 Minnesota Mining And Manufacturing Company Oily mist resistant electret filter media
DE4443157A1 (en) * 1994-12-05 1996-06-13 Gessner & Co Gmbh Vapor-permeable roofing membrane
US5534340A (en) * 1993-04-06 1996-07-09 Hercules Incorporated Nonwoven materials comprising 0.5 to 1.2 decitex cardable polyolefin fibers and having liquid strike through resistance as well as air permeability
WO1997022659A1 (en) * 1995-12-21 1997-06-26 E.I. Du Pont De Nemours And Company Fluorinated ester melt additives for thermoplastic fibers
DE19642252A1 (en) * 1996-02-13 1997-08-14 Peter Wirz Diffusion-open roofing membrane and method for producing the same
EP0855479A2 (en) * 1997-01-22 1998-07-29 Peter Wirz Vapor permeable underroof membrane and method of producing same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA948388A (en) * 1970-02-27 1974-06-04 Paul B. Hansen Pattern bonded continuous filament web

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025052A (en) * 1986-09-12 1991-06-18 Minnesota Mining And Manufacturing Company Fluorochemical oxazolidinones
EP0616831A1 (en) * 1993-03-26 1994-09-28 Minnesota Mining And Manufacturing Company Oily mist resistant electret filter media
US5534340A (en) * 1993-04-06 1996-07-09 Hercules Incorporated Nonwoven materials comprising 0.5 to 1.2 decitex cardable polyolefin fibers and having liquid strike through resistance as well as air permeability
DE4443157A1 (en) * 1994-12-05 1996-06-13 Gessner & Co Gmbh Vapor-permeable roofing membrane
WO1997022659A1 (en) * 1995-12-21 1997-06-26 E.I. Du Pont De Nemours And Company Fluorinated ester melt additives for thermoplastic fibers
DE19642252A1 (en) * 1996-02-13 1997-08-14 Peter Wirz Diffusion-open roofing membrane and method for producing the same
EP0855479A2 (en) * 1997-01-22 1998-07-29 Peter Wirz Vapor permeable underroof membrane and method of producing same

Also Published As

Publication number Publication date
EP1024218A2 (en) 2000-08-02
DE19903663A1 (en) 2000-08-24

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