EP2183419A1 - Grundvlies für trilaminate - Google Patents
Grundvlies für trilaminateInfo
- Publication number
- EP2183419A1 EP2183419A1 EP08785952A EP08785952A EP2183419A1 EP 2183419 A1 EP2183419 A1 EP 2183419A1 EP 08785952 A EP08785952 A EP 08785952A EP 08785952 A EP08785952 A EP 08785952A EP 2183419 A1 EP2183419 A1 EP 2183419A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fleece
- dtex
- base
- mixture
- laid
- 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
Links
Classifications
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-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
- D04H1/54—Non-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
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
- D04H1/5418—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
- E04D12/002—Sheets of flexible material, e.g. roofing tile underlay
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-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
- D04H1/54—Non-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
- D04H1/542—Adhesive fibres
- D04H1/544—Olefin series
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-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
- D04H1/54—Non-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
- D04H1/542—Adhesive fibres
- D04H1/55—Polyesters
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
-
- 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
- D04H13/00—Other non-woven fabrics
Definitions
- the invention relates to a base web for trilaminates which have a film membrane connected to the base web and a cover layer arranged thereon, according to the preamble of patent claim 1.
- Multilayer films with adjustable water vapor permeability are known as so-called roof underlays.
- roof underlays For the state of the art, reference is made here, for example, to DE 199 11 280 A1, DE 199 44 819 A1 or DE 10 2005 038 863 A1.
- Such films consist of a water vapor permeable base layer of a first plastic material and at least one coupled to the base layer Wasserdampf admirados- controlling second layer of a second plastic material.
- a third layer formed as a cover layer may be present.
- a vapor-permeable roof underlay with an inner film layer containing an at least three-ply composite with outer nonwoven layers based on thermoplastic materials and an inner film layer is known.
- outer nonwoven layers based on polyester filaments with a basis weight of 30 to 120 g / m 2 it has been proposed in the cited teaching to use outer nonwoven layers based on polyester filaments with a basis weight of 30 to 120 g / m 2 .
- a strength improvement should also be made possible by the use of embossed nonwoven layers.
- the nonwoven layers of continuous filaments not only on the basis of polypropylene or polyethylene alone, but in Form a compound with a low content of ethylene-vinyl acetate copolymers.
- the base fleece to be created is to be produced in a cost-effective and reproducible manner, it being simple to provide means which permit adhesion of the film membrane to be applied as an intermediate layer of the trimanate.
- the basic idea of the invention is to replace hitherto used spun-bonded nonwovens by staple fiber nonwovens, wherein the means for thermally fixing the membrane of the membrane are applied sparingly and if possible in the actual production process of the base nonwoven.
- the desired breathability and vapor permeability of the base fabric is ensured in any case and sufficient strength, especially in the transverse direction, guaranteed.
- the embodiments of the invention is common that the staple fiber fleece is formed from a cross-laid and longitudinal pile and To obtain a hydrophobic surface, a temperature-assisted compaction takes place.
- a mixture of polyester fibers and polypropylene melt fibers is used for the formation of the crossed pile.
- the proportion of polypropylene melt fibers is based on the total amount of about 10 to 25% and is preferably about 12.5%.
- the blend of cross-crimps in this embodiment of the invention is 80% polyester fibers (PES) and 20% polypropylene melt fibers (PP) with PES 1.7 dtex at a fiber length substantially 38 mm and PP 2.2 dtex at a fiber length of substantially 40mm.
- the blend of longitudinal carding may contain up to 100% PES, which has a fiber fineness of 1.7 dtex or 3.3 dtex and preferably 40% 1.7 dtex and 60% 3.3 dtex with substantially consistent fiber length in the range between 30 and 40mm exists.
- the ratio of the mixtures Wienkrempel / Lekskrempel can be at 10: 1 - 1: 1, but expediently 5: 3.
- a pressure of 60 to 80 bar can be set on a first solidification bar, a pressure of 110 to 130 bar in the case of a second solidification bar, and a pressure of 160 to 180 bar in the case of a third solidification bar, the specified ranges of values representing no absolute values Embodiment be the pressures from the first to the second to the third solidification bar 70 bar, 120 bar and 170 bar. These settings are almost identical for basis weights in the range of 55 to 95g / m 2 .
- a staple fiber non-woven fabric is again formed from cross-laid pile, for which purpose a mixture of PES fibers with proportions of 1.7 dtex to 3.3 dtex is used.
- a bonding agent for the film membrane layer a polyethylene scattering powder is used, which is applied on one side.
- the PE scattered-powder coating is fixed and smoothed as part of a temperature-assisted compaction, ie pressure treatment.
- the amount of polyethylene powder applied is in the range between 4 and 20 g / m 2 , preferably 6 to 10 g / m 2 .
- the polyethylene scattering powder it is also possible to use comparable thermoplastics or thermally activatable, reactive adhesives with a particle size of 0-1,000 ⁇ m, preferably 100-500 ⁇ m.
- the cross-laid batt may have specifying equipment in all embodiments.
- the longitudinally laid batt has on one side a binder and / or pigment application.
- a base web having a basis weight in the range of 50 to 90 g / m 2 is provided .
- the base nonwoven fabric should have a very uniform weight distribution perpendicular to the direction of travel in order to ensure the desired dimensional stability or temperature passage during calendering.
- the adhesion to the PE film membrane is triggered according to this embodiment via a proportion of PP melt fiber in the cross-laid pile.
- the mixture in the Wienkrempel PES to PP is essentially 80:20 with a share PES 1.7 dtex, 38mm fiber length, and a proportion of PP 2.2 dtex at about 40mm fiber length.
- the mixture in the longitudinal card is based on 100% PES, of which 40% PES 1.7 dtex 38mm fiber length and 60% 3.3 dtex at 38mm fiber length.
- the ratios between mixture cross-paste and mixture longitudinal scrap are essentially 5: 3, so that there is an absolute proportion of PP in the amount of 12.5% with a share of 87.5% PES.
- the maximum product temperature is limited by appropriate adjustment of the dryer at about 150 0 C.
- Hardening at the crossing is done by a jet of water. Remaining residual moisture serves as a wetting agent and, in the case of foam application equipment, ensures a correspondingly homogeneous dyeing and binding application to the nonwoven surface.
- the pressure for smoothing, d. H. the temperature-assisted compaction is driven with a maximum belt tension. Additional ionizing bars take unwanted electrical charges from the ground fleece surface.
- the equipment is for example so that the longitudinal batt receives a binder application up to 10g / m 2 and a pigment application up to lg / m 2 one-sided on the top.
- the temperature assisted densification of the nonwoven surface provides a low cost, hydrophobic surface.
- the fiber mixture for both the Wienkrempel and for the longitudinal card of 100% PES fibers including a mixture of fibers 1.7 dtex and 3.3 dtex.
- an inline scattering of a thermoplastic or thermally activatable reactive powder such.
- the amount of adhesive to be applied is in the range of 4 to 20 g / m 2 , preferably 6 to 10 g / m 2 .
- the applied powder is also subjected in this embodiment, a smoothing by temperature-assisted compaction, wherein the temperature for fixing and smoothing of the powder on the type and amount of PE powder used is dependent and PE foam, for example, about 150 ° C.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007039771 | 2007-08-22 | ||
DE102008024944.0A DE102008024944B4 (de) | 2007-08-22 | 2008-05-23 | Grundvlies für Trilaminate |
PCT/EP2008/058771 WO2009024396A1 (de) | 2007-08-22 | 2008-07-07 | Grundvlies für trilaminate |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2183419A1 true EP2183419A1 (de) | 2010-05-12 |
EP2183419B1 EP2183419B1 (de) | 2012-09-12 |
Family
ID=40280343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08785952A Not-in-force EP2183419B1 (de) | 2007-08-22 | 2008-07-07 | Grundvlies für trilaminate |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2183419B1 (de) |
DE (1) | DE102008024944B4 (de) |
WO (1) | WO2009024396A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2996565B1 (fr) * | 2012-10-04 | 2014-11-28 | Saint Gobain Isover | Installation et procede pour fabriquer un produit d'isolation thermique et/ou phonique |
DE102014001792A1 (de) * | 2014-02-12 | 2015-08-13 | Sandler Ag | Unterdeckplate |
CA3084635A1 (en) * | 2019-06-24 | 2020-12-24 | Owens Corning Intellectual Capital, Llc | Roofing underlayment with hydrophobic nonwoven core |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2260677C3 (de) * | 1972-12-12 | 1976-03-25 | A4 Id 27-06 | Einlagestoff auf Vliesstoffbasis |
DE3314691C1 (de) * | 1983-04-22 | 1984-10-25 | Fa. Carl Freudenberg, 6940 Weinheim | Flaechenisolierstoff und Verfahren zu seiner Herstellung |
ATE37415T1 (de) * | 1984-10-23 | 1988-10-15 | Walter Voest | Dachunterspannbahn. |
DD292489A5 (de) * | 1990-03-06 | 1991-08-01 | Forschungsinst. Fuer Textiltechnologie,De | Verfahren zur herstellung von faservliesen mit sich kreuzenden fasern |
JP3063151B2 (ja) | 1990-11-15 | 2000-07-12 | ダイニック株式会社 | 直貼り床用緩衝部材 |
DE4437521A1 (de) * | 1994-10-20 | 1996-04-25 | Doerken Ewald Ag | Unterspannbahn, insbesondere für geneigte, wärmegedämmte Dächer |
DE29700810U1 (de) | 1997-01-17 | 1997-05-28 | Hoechst Trevira Gmbh & Co Kg | Vliesstoff mit verbesserter Oberflächengüte für Dachunterspannbahnen |
DE29700987U1 (de) | 1997-01-22 | 1997-04-03 | Wirz Peter | Diffussionsoffene Dachunterspannbahn mit innerer Folienschicht |
DE19911280A1 (de) | 1999-03-13 | 2000-09-14 | Sandler C H Gmbh | Wasserdampfdurchlässiger, wasserdichter Schichtenverbund |
DE69932952T2 (de) | 1999-06-18 | 2007-04-26 | 3M Innovative Properties Co., St. Paul | Faservliese, klebstoffartikel und herstellungsverfahren |
DE19944819A1 (de) | 1999-09-18 | 2001-03-22 | Kloeber Johannes | Eine auf ein Vlies aufgebrachte, einen Film aufweisende, wasserdampfdurchlässige Luftsperre |
DE10109476C1 (de) * | 2001-02-28 | 2002-06-27 | Gunter Schmidt | Verfahren und Vorrichtung zum Herstellen isotroper Vliesstoffe |
DE10112375A1 (de) * | 2001-03-15 | 2002-09-26 | Tesa Ag | Trägermaterial auf Vliesbasis insbesondere für ein Klebeband mit verbesserter Handeinreißbarkeit |
ITPD20030100A1 (it) * | 2003-05-13 | 2004-11-14 | Orv Spa | Prodotto stratiforme rinforzato a base di tessuto non tessuto particolarmente per bitumazione e suo procedimento di produzione. |
ATE445055T1 (de) | 2003-06-20 | 2009-10-15 | Sarna Patent & Lizenz Ag | Dampfdiffusionsoffene abdichtungsbahn |
DE102005038863A1 (de) | 2004-09-06 | 2006-03-23 | Silu Verwaltung Ag | Mehrschichtfolie mit einstellbarer Wasserdampfdurchlässigkeit |
-
2008
- 2008-05-23 DE DE102008024944.0A patent/DE102008024944B4/de not_active Expired - Fee Related
- 2008-07-07 EP EP08785952A patent/EP2183419B1/de not_active Not-in-force
- 2008-07-07 WO PCT/EP2008/058771 patent/WO2009024396A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2009024396A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102008024944A1 (de) | 2009-02-26 |
DE102008024944B4 (de) | 2018-05-09 |
WO2009024396A1 (de) | 2009-02-26 |
EP2183419B1 (de) | 2012-09-12 |
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