EP0446822B2 - Voile support pour travées de sous-pente de toiture - Google Patents

Voile support pour travées de sous-pente de toiture Download PDF

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Publication number
EP0446822B2
EP0446822B2 EP19910103645 EP91103645A EP0446822B2 EP 0446822 B2 EP0446822 B2 EP 0446822B2 EP 19910103645 EP19910103645 EP 19910103645 EP 91103645 A EP91103645 A EP 91103645A EP 0446822 B2 EP0446822 B2 EP 0446822B2
Authority
EP
European Patent Office
Prior art keywords
base felt
spunbonded
filaments
melting point
fusible binder
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 - Lifetime
Application number
EP19910103645
Other languages
German (de)
English (en)
Other versions
EP0446822A1 (fr
EP0446822B1 (fr
Inventor
Karl-Christian Zerfass
Franz Kaulich
Michael Schöps
Hans Dr. Wagner
Bertrand Claude Weiter
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.)
Johns Manville
Original Assignee
Hoechst 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
Family has litigation
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Application filed by Hoechst AG filed Critical Hoechst AG
Publication of EP0446822A1 publication Critical patent/EP0446822A1/fr
Publication of EP0446822B1 publication Critical patent/EP0446822B1/fr
Application granted granted Critical
Publication of EP0446822B2 publication Critical patent/EP0446822B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • D04H3/011—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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • D04H3/153—Mixed yarns or filaments
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N5/00—Roofing materials comprising a fibrous web coated with bitumen or another polymer, e.g. pitch
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24826—Spot bonds connect components
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/681—Spun-bonded nonwoven fabric

Definitions

  • the invention relates to a carrier sheet for roofing membranes and one with this carrier sheet manufactured roofing membrane.
  • roofing membranes are known to be under the tiles or slate of steep roofs or the like as protection against flying snow, dust, etc.
  • roofing membranes should on the one hand impermeable to water and, on the other hand, permeable to air and steam. They are also said to be high Have strength, in particular tear resistance, e.g. the weight of the roof covering in the event of an accident to be able to record.
  • roofing membranes made of grid-reinforced foils are widespread. These foils do have one good tear resistance; However, the tear resistance and often also the vapor permeability remain unsatisfactory.
  • From DE-C-34 19 675 is a nonwoven made of polyethylene glycol terephthalate and Polybutylene glycol terephthalate is known to be needled and thermally solidified.
  • EP-PS 0027750 describes a carrier web for a roofing membrane which consists of a nonwoven fabric made of polypropylene, polyethylene, polyester or polyvinyl and has a weight per unit area between 85 and 200 g / m 2 .
  • the nonwoven fabric is provided with a bitumen layer on one side by warmly coating the nonwoven fabric with the bitumen and then cooling it to produce microholes or microcracks.
  • This publication does not reveal anything about the structure of the nonwoven fabric - apart from the fiber material used and the weight per unit area.
  • the invention has for its object to provide a carrier sheet for roofing membranes, the ensures high strength, in particular tear resistance of the roofing membrane and good Dimensional stability even at high processing temperatures.
  • the object of the invention is achieved by a carrier insert according to claim 1 realized.
  • the carrier web is given the structure according to the invention the spunbond nonwoven has good dimensional stability even at high processing temperatures. This is for the production of roofing underlays of importance, in which the carrier sheet with bitumen is provided. Processing temperatures are particularly prevalent when impregnating the carrier sheet with bitumen from 160 to 180 ° C. As has been shown, the carrier web designed according to the invention has good dimensional stability even at these high temperatures, which is important for processing the Carrier web is essential. Carrier sheets made of polypropylene, which is a softening point of approx. 156 ° C, on the other hand, are less suitable, for example, for bituminization.
  • the carrier web for producing a roofing underlay is preferably in Used with bitumen.
  • the carrier web is preferably impregnated with bitumen; instead, the carrier web can also be coated with bitumen, preferably on both sides is coated with bitumen.
  • the carrier web designed according to the invention has a tear resistance in the The order of magnitude from 20 N to 80 N, a nail pull-out strength from 50 N to 180 N and a perforation stability from 400 N to 1200 N.
  • a tear resistance in the The order of magnitude from 20 N to 80 N
  • a nail pull-out strength from 50 N to 180 N
  • a perforation stability from 400 N to 1200 N.
  • bitumen instead of bitumen, another material, e.g. Polyethylene or polyvinyl chloride with the Spunbond according to the invention can be used.
  • the low basis weight of the spunbonded fabric is advantageous in terms of vapor permeability and material consumption.
  • the weight per unit area of the spunbonded fabric is preferably 70 to 90 g / m 2 .
  • the fine individual titer of the spunbonded filaments gives good adhesion to that of the spunbonded nonwoven connected material, especially the bitumen, due to the high specific surface area of the Spunbond.
  • the individual titer of the spunbonded filaments is preferably 2 to 5 dtex, in particular 4 dtex.
  • Polymers whose melting point is lower than are particularly suitable as melt binders the melting point of the filaments that form the spunbond - the so-called supporting filaments.
  • the melting point of the melt binder is expediently 10 ° C., preferably 30 ° C. below that Melting point of the supporting filaments.
  • melt binders consist of polyesters, preferably polybutylene terephthalate or modified polyesters with a correspondingly lowered melting point, preferably modified Polyethylene terephthalate.
  • the melt binder is preferably introduced in fiber form.
  • the bonding takes place by heat treatment of the fleece, in particular by means of a calender, which can have smooth or profiled rollers, for example embossing rollers with engraving.
  • the consolidation can be carried out exclusively by the calender or by means of calenders (pre-consolidation) and subsequent further heat treatment, for example by means of hot air or radiation energy.
  • the melt binders mentioned above can be used particularly advantageously in the form of binding filaments Fleece during manufacture, i.e. when depositing the filaments on the conveyor belt.
  • the binding filaments melt completely or partially and form the desired binding points at the crossing points of the supporting filaments (Tying sail).
  • the proportion of binder is advantageously 5 to 25% by weight, preferably 10 to 15% by weight.
  • a spunbonded nonwoven made of polyethylene terephthalate filaments with a single titer of 4 dtex and binding filaments made from a modified polyester with a share of 9% was used as the carrier web.
  • the spunbonded web was thermomechanically pre-consolidated by embossing rollers and then finally consolidated by hot air.
  • the basis weight of the support was 100 g / m 2 .
  • the carrier sheet was then bituminized in a roofing membrane system, coated on both sides with bitumen and sanded. An excellent dimensional stability during the processing process was noticed.
  • the roofing membrane produced in this way had the following properties: Basis weight 440 g / m 2 according to DIN 52 123 thickness 0.60 mm "" 52 123 Maximum traction along 320 N / 5 cm “" 52 123 "across 300 N / 5 cm “” 52 123 Maximum tensile strength elongation: longitudinal 35% “" 52 123 across 45% "” 52 123 Static perforation Class L 4 according to NF P 84-352 Nail tear resistance 150 N "UEATC Tear resistance, lengthways 50 N "53 356 across 50 N "53 356

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Particle Accelerators (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Tents Or Canopies (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Claims (11)

  1. Bande de support pour des bandes de mise en tension de toit, qui est constituée par une nappe non-tissée formée de filaments de polyester et notamment de téréphtalate de polyéthylène, caractérisée en ce que la nappe non-tissée possède un poids par unité de surface de 50-100 g/m2 pour un titre individuel des filaments de 1 à 8 dtex, et est renforcée par un liant fusible, constitué par un polymère ayant un point de fusion inférieur au point de fusion des filaments porteurs, et en ce qu'elle possède une résistance à la poursuite du déchirement de 20N à 80N, une résistance à l'arrachement à l'aide d'une aiguille de 50N à 180N et une stabilité à la perforation de 400N à 1200N.
  2. Bande de support selon la revendication 1, caractérisée en ce que le poids par unité de surface de la nappe non-tissée est compris entre 70 et 90 g/m2.
  3. Bande de support selon la revendication 1 ou 2, caractérisée en ce que le titre individuel des filaments de la nappe non-tissée est compris entre 2 et 5 dtex.
  4. Bande de support selon la revendication 1, caractérisée en ce que le point de fusion du liant fusible est inférieur de 10°C et de préférence de 30°C au point de fusion des filaments de support.
  5. Bande de support selon au moins l'une des revendications 1 à 4, caractérisée en ce que le liant fusible est constitué du téréphtalate de polybutylène ou des polyesters modifiés possédant un point de fusion abaissé de façon correspondante, de préférence du téréphtalate de polyéthylène modifié.
  6. Bande de support selon l'une des revendications 1 5, caractérisée en ce que le liant fusible est présent sous la forme de filaments de liaison.
  7. Bande de support selon l'une des revendications précédentes, caractérisée en ce que le pourcentage du liant fusible est compris entre 5 et 25 % en poids.
  8. Bande de support selon la revendication 7, caractérisée en ce que le pourcentage du liant fusible est compris entre 10 et 15 % en poids.
  9. Bande de mise en tension de toit comportant une bande de support selon au moins l'une des revendications précédentes, caractérisée en ce que la bande de support est imprégnée ou enduite de bitume et notamment est enduite de bitume sur ses deux faces.
  10. Procédé pour fabriquer la bande de support selon la revendication 1 par fabrication d'une nappe non-tissée formée de filaments de polyester, d'une manière connue en soi, caractérisé en ce qu'on insère le liant fusible sous la forme de fibres et que l'on consolide la nappe non-tissée au moyen d'un traitement thermique.
  11. Procédé selon la revendication 10, caractérisé en ce que le renforcement est obtenu à l'aide d'une calandre (prérenforcement) et au moyen d'un autre traitement thermique ultérieur.
EP19910103645 1990-03-14 1991-03-09 Voile support pour travées de sous-pente de toiture Expired - Lifetime EP0446822B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4008043A DE4008043A1 (de) 1990-03-14 1990-03-14 Traegerbahn fuer dachunterspannbahnen
DE4008043 1990-03-14

Publications (3)

Publication Number Publication Date
EP0446822A1 EP0446822A1 (fr) 1991-09-18
EP0446822B1 EP0446822B1 (fr) 1995-06-07
EP0446822B2 true EP0446822B2 (fr) 1999-06-16

Family

ID=6402119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910103645 Expired - Lifetime EP0446822B2 (fr) 1990-03-14 1991-03-09 Voile support pour travées de sous-pente de toiture

Country Status (9)

Country Link
US (1) US5130178A (fr)
EP (1) EP0446822B2 (fr)
JP (1) JP3096311B2 (fr)
AT (1) ATE123538T1 (fr)
DE (2) DE4008043A1 (fr)
DK (1) DK0446822T4 (fr)
GR (1) GR3030982T3 (fr)
IE (1) IE67658B1 (fr)
PT (1) PT97025A (fr)

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EP2486104B1 (fr) 2009-10-08 2018-07-25 Johns Manville Structure textile
EP2309046B1 (fr) 2009-10-08 2017-08-30 Johns Manville Matériaux de tissu multicouche pour applications de toiture
DE102011121136A1 (de) 2011-12-15 2013-06-20 Johns Manville Europe Gmbh Mehrlagiges Filtermedium
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DE102014010332A1 (de) 2014-07-14 2016-01-14 Johns Manville Europe Gmbh Verbundwerkstoffe umfassend Wabenkerne auf Basis von thermoplastischen Synthesefaservliesen
EP3086384B1 (fr) 2015-04-23 2017-10-25 Johns Manville Europe GmbH Poches tubulaires du type bande à cartouche pour batteries du type plomb-acide en une structure plate textile
DE102016015248A1 (de) 2016-12-21 2018-06-21 Johns Manville Europe Gmbh Hocheffizientes Filtermedium
CA3084636C (fr) 2019-06-24 2024-06-18 Owens Corning Intellectual Capital, Llc Doublure inferieure d`une toiture munie d`une fonction amelioree de marchabilite et de traction
CA3084635C (fr) 2019-06-24 2025-04-01 Owens Corning Intellectual Capital, Llc Doublure inférieure d’une toiture munie de noyau non tissé hydrophobe
US20210031129A1 (en) 2019-07-31 2021-02-04 Johns Manville Cleanable filter medium
EP4303353A1 (fr) 2022-07-05 2024-01-10 Johns Manville Matériau non tissé présentant un meilleur rapport md/cd, son procédé de fabrication et son utilisation
US20250154763A1 (en) 2023-11-15 2025-05-15 Johns Manville Nonwoven with new thermoplastic binder
EP4574231A1 (fr) 2023-12-18 2025-06-25 Johns Manville Europe GmbH Matériau filtrant et procédé de fourniture d'un matériau filtrant

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DE3435643A1 (de) * 1984-09-28 1986-04-10 Hoechst Ag, 6230 Frankfurt Schichtstoff
FI89189C (fi) * 1986-02-22 1994-07-12 Hoechst Ag Laminat foer anvaendning som stoedskikt foer taeck och isoleringsmaterial foer tak
DE3831271A1 (de) * 1988-09-14 1990-03-15 Hoechst Ag Traegerbahn fuer dachunterspannbahnen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7993427B2 (en) 2007-06-11 2011-08-09 Johns Manville Filter medium

Also Published As

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IE910844A1 (en) 1991-09-25
GR3030982T3 (en) 1999-12-31
DE4008043A1 (de) 1991-09-19
IE67658B1 (en) 1996-04-17
JPH04214474A (ja) 1992-08-05
PT97025A (pt) 1993-03-31
EP0446822A1 (fr) 1991-09-18
DK0446822T4 (da) 1999-11-22
US5130178A (en) 1992-07-14
EP0446822B1 (fr) 1995-06-07
JP3096311B2 (ja) 2000-10-10
ATE123538T1 (de) 1995-06-15
DE59105638D1 (de) 1995-07-13
DK0446822T3 (da) 1995-10-16

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