EP0830487B1 - Dachbahnen auf bitumenbasis mit polyestervlieseinlage - Google Patents
Dachbahnen auf bitumenbasis mit polyestervlieseinlage Download PDFInfo
- Publication number
- EP0830487B1 EP0830487B1 EP96902282A EP96902282A EP0830487B1 EP 0830487 B1 EP0830487 B1 EP 0830487B1 EP 96902282 A EP96902282 A EP 96902282A EP 96902282 A EP96902282 A EP 96902282A EP 0830487 B1 EP0830487 B1 EP 0830487B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- polyester
- roof covering
- covering according
- glass
- nonwoven
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
Definitions
- the invention relates to roofing membranes based on bitumen Polyester fleece insert and another insert made of glass fibers with improved properties.
- the carrier inserts divide into two main groups, namely in textile glass inlays and Man-made fiber inlays. Textile glass inlays are characterized by high Dimensional stability, but they have disadvantages in terms of Ductility and other mechanical properties such as that Tear resistance and perforation resistance. Leave textile glass inlays work well by machine. Chemical fiber inserts, here polyester fleeces in particular have good mechanical properties good elasticity.
- polyester fleeces are no longer used at high grammages allow to soak completely, especially if they contain binders are solidified or if highly viscous bitumens are used.
- synthetic fiber deposits a significantly higher price than Have textile glass inlays.
- polymer bitumens consist of mixtures SBS rubber or aPP homo- and / or copolymers with Modified distillation bitumen and with stabilizers and fillers and optionally other additives are provided.
- polymer bitumen shows one significantly improved resistance to aging and a better one Temperature behavior.
- the high viscosities are disadvantageous lead to a correspondingly more difficult processability.
- polyester fleeces such as low dimensional stability and / or their flammability through the simultaneous use of synthetic fiber and glass fiber inserts to reduce; for example, in DE-OS 3145266
- Use of polyester inserts together with less elastic Supports such as glass fleece or glass fabric are suggested to the Increase the break resistance of the railways.
- EP-A-0269989 the use of polyester fleece together with a reticulated glass scrim suggested the fire safety of such Improve tracks.
- the invention is therefore based on the object, the disadvantages described to fix the previously known tracks.
- roofing membranes can be produced with an insert made of special polyester nonwovens and a spaced-apart glass fiber nonwoven, which fully meet the requirements and are easy to process if thermally bonded polyester nonwovens or those with little binding agent are used with incorporated glass threads .
- the incorporation of glass threads in the production of the polyester nonwovens in both one and in different directions is known per se.
- Such reinforced nonwovens are used as reinforcements in vehicle and plant construction.
- the grammage of such a fleece can be varied within a wide range by the number and thickness of the glass threads.
- the glass portion of the total grammage of the glass fiber reinforced polyester nonwovens should be over 10 g / m 2 , preferably 30 to 50 g / m 2 .
- the orientation of the glass fibers in the fleece can be unidirectional or multidirectional.
- the polyester fibers used to produce the nonwoven are preferably those which are coated in a manner known per se with a thin layer of polyamide, since it has been found that such nonwovens can also be impregnated particularly well with highly viscous polymer bitumen.
- the web Spaced from the polyester fleece, the web contains a glass fiber fleece with a grammage in the range of 30-100 g / m 2 or above. Since the requirements for tensile strength require 1000N (measured in accordance with DIN 52123) or above, the glass fiber or polyester content in the reinforced polyester nonwoven can be varied with the grammage of the glass fiber nonwoven so that the chemical fiber content of this nonwoven can be significantly reduced.
- polyester fleece should have a total grammage of over 10 g / m 2 , preferably 30-50 g / m 2 and the polyester fleece a grammage of not more than 150-175 have g / m 2 .
- the reduced chemical fiber content can significantly reduce the cost of production and also the flammability is reduced due to the Polyester content reduced.
- the processability also significantly improved, especially when used as an impregnating and covering compound
- Polymer bitumen is used, which otherwise due to its high viscosity Processing difficulties. It is preferably used as a drinking and Covering material used exclusively polymer bitumen. In the preparation of it must be ensured that all deposits are completely saturated, that is that is, the polymer bitumen both the glass filaments and the Directly and completely encloses polyester fibers.
- the roofing membranes according to the invention have a surprisingly good one Dimensional stability and perforation behavior (measured according to the UEatc Guidelines) and excellent maximum traction as well Perforation behavior (measured according to DIN 52123) with good at the same time Rollability on.
- polyester inserts are used, which increases the proportion can further reduce organic insert material.
- these inserts are arranged off-center, so that the glass fiber fleece and one or at least one polyester fleece insert in the top half of the web or one or more non-woven polyester inserts are in the lower half.
- multiple Polyester fleece inserts can make the individual inserts different Have total grammars.
- the surface of the Bru in usually sanded or slated or with others Surface structure can be provided.
- roofing membranes according to the invention are manufactured in themselves known manner in the calender process or by the usual roofing membrane machines such as in DE-OS 1409911 described.
- the webs according to the invention have an excellent Dimensional stability on what is both in the manufacture and in the Practical application makes it noticeable. They are due to significantly lower Consumption of polyester material inexpensive. They are also easy to roll and due to the lower proportion of organic carriers you are Fire behavior significantly cheaper than with the previously known railways.
- roofing membranes produced for comparison and their dimensional stability after the UEatc guidelines and tensile strength, i.e. maximum tensile strength according to DIN 52123 then examined.
- the roofing membranes had the following structure:
- roofing membrane Dimensional stability according to the UEatc directive.
- Maximum tensile strength (tear resistance) according to DIN 52123
- Lane 3 ⁇ 0.3% ⁇ 500 N / 5cm
- Lane 4 ⁇ 0.2% ⁇ 500 N / 5cm
- Lane 5 ⁇ 0.2% ⁇ 800 N / 5cm
- Lane 6 ⁇ 0.1% ⁇ 1000 N / 5cm
- the roofing membrane 1 has a polyester fleece insert with incorporated Glass threads 2 and a glass fiber fleece 3 spaced apart in the bitumen matrix 4 on.
Description
- Bahn 1:
- Eine Einlage aus Polyestervlies mit einer Grammatur von 125 g ohne Glasfadenverstärkung und ohne beabstandetes Glasfaservlies.
- Bahn 2:
- Eine Polyestervlieseinlage mit einer Grammatur von 200 g, sonst wie Bahn 1
- Bahn 3:
- Eine Polyestervlieseinlage mit einer Grammatur von 125 g Polyester und einer Grammatur von 17 g Glasfädenverstärkung, die in das Polyestervlies eingearbeitet war.
- Bahn 4:
- Eine Einlage aus Polyestervlies mit einer Grammatur von 125 g ohne Glasfadenverstärkung und eine Einlage aus Glasfaservlies mit einer Grammatur von 50 g.
- Bahn 5:
- Eine Polyestervlieseinlage mit einer Grammatur von 200 g/m2 und eine Glasfaservlieseinlage wie Bahn 4
- Bahn 6:
- Eine Einlage aus Polyestervlies mit einer Grammatur von 125 g und einer Glasfädenverstärkung von 30 g/m und einer Einlage aus Glasfaservlies mit einer Grammatur von 50 g/m.
Dachbahn | Dimensionsstabilität nach UEatc-Richt. | Höchstzugkraft (Reißfestigkeit) nach DIN 52123 |
Bahn 1 | > 0,5% | ∼ 500 N/5cm |
Bahn 2 | > 0,5% | ∼ 800 N/5cm |
Bahn 3 | ≥ 0,3% | ∼ 500 N/5cm |
Bahn 4 | ≥ 0,2 % | ∼ 500 N/5cm |
Bahn 5 | ≥ 0,2 % | ∼ 800 N/5cm |
Bahn 6 | < 0,1 % | ≥ 1000 N/5cm |
Claims (12)
- Dachbahnen auf Basis von Norm- oder Polymerbitumen mit mindestens einer Einlage aus Polyestervlies mit verschweißten Glasfasern und aus Glasfaservlies, dadurch gekennzeichnet, daß sie ein thermisch verfestigtes Polyestervlies mit eingearbeiteten Glasfäden beabstandet zum Glasfaservlies enthalten.
- Dachbahnen nach Anspruch 1, dadurch gekennzeichnet, daß sie ein Polyestervlies aus mit Polyamid ummantelten Polyesterfasern enthalten.
- Dachbahnen nach Anspruch 1 bis 2, dadurch gekennzeichnet, daß das Polyestervlies mit uni- oder multidirektional ausgerichteten Glasfäden verstärkt ist.
- Dachbahnen nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß der Glasanteil an der Gesamtgrammatur des durch Glasfäden verstärkten Polyestervlieses über 10 und vorzugsweise 30 - 50 g/m2 beträgt.
- Dachbahnen nach Anspruch 1 bis 4, dadurch gekennzeichnet, daß das Glasfaservlies eine Grammatur im Bereich von 30-100 g/m2 oder darüber aufweist.
- Dachbahnen nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß sie mehrere, voneinander beabstandete, mit Glasfäden verstärkte Polyestervliese aufweisen.
- Dachbahnen nach Anspruch 1 bis 6, dadurch gekennzeichnet, daß die Polyestervlieseinlagen unterschiedliche Gesamtgrammaturen aufweisen.
- Dachbahnen nach Anspruch 1 bis 7, dadurch gekennzeichnet, daß sämtliche Einlagen von Bitumen vollständig durchtränkt sind.
- Dachbahnen nach Anspruch 1 bis 8, dadurch gekennzeichnet, daß die Einlagen außermittig angeordnet sind.
- Dachbahnen nach Anspruch 1 bis 9, dadurch gekennzeichnet, daß als Deck- und Tränkmasse ausschließlich Polymerbitumina eingesetzt sind.
- Dachbahnen nach Anspruch 1 bis 10, dadurch gekennzeichnet, daß die Höchstzugkraft nach DIN 52123 über 1000N beträgt.
- Dachbahnen nach Anspruch 1 bis 11, dadurch gekennzeichnet, daß die nach außen zeigende Oberfläche der Bahnen besandet oder beschiefert oder in anderer Weise strukturiert ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29503134U DE29503134U1 (de) | 1995-02-24 | 1995-02-24 | Dachbahnen auf Bitumenbasis mit Polyestervlieseinlage |
DE29503134U | 1995-02-24 | ||
PCT/EP1996/000694 WO1996026335A1 (de) | 1995-02-24 | 1996-02-20 | Dachbahnen auf bitumenbasis mit polyestervlieseinlage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0830487A1 EP0830487A1 (de) | 1998-03-25 |
EP0830487B1 true EP0830487B1 (de) | 1999-01-27 |
Family
ID=8004445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96902282A Expired - Lifetime EP0830487B1 (de) | 1995-02-24 | 1996-02-20 | Dachbahnen auf bitumenbasis mit polyestervlieseinlage |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0830487B1 (de) |
AT (1) | ATE176291T1 (de) |
DE (1) | DE29503134U1 (de) |
PL (1) | PL321812A1 (de) |
WO (1) | WO1996026335A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105346167A (zh) * | 2015-12-16 | 2016-02-24 | 常熟市东宇绝缘复合材料有限公司 | 一种玻璃纤维表面毡 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1181542A (en) * | 1980-04-23 | 1985-01-22 | Romolo Gorgati | Bitumen, atactic polypropylene and propylene/ethylene copolymer compositions and water-proofing membranes using the same |
DE8700565U1 (de) * | 1986-12-05 | 1987-04-02 | Roland-Werke Dachbaustoffe U. Bauchemie Algostat Gmbh & Co, 2807 Achim, De | |
JPH05220807A (ja) * | 1992-02-12 | 1993-08-31 | Ube Nitto Kasei Co Ltd | 長繊維強化ポリアミド樹脂組成物の製造方法 |
EP0585626A1 (de) * | 1992-08-14 | 1994-03-09 | Hoechst Aktiengesellschaft | Kaschierte Mineralfasermatte |
-
1995
- 1995-02-24 DE DE29503134U patent/DE29503134U1/de not_active Expired - Lifetime
-
1996
- 1996-02-20 WO PCT/EP1996/000694 patent/WO1996026335A1/de active IP Right Grant
- 1996-02-20 AT AT96902282T patent/ATE176291T1/de not_active IP Right Cessation
- 1996-02-20 EP EP96902282A patent/EP0830487B1/de not_active Expired - Lifetime
- 1996-02-20 PL PL96321812A patent/PL321812A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
PL321812A1 (en) | 1997-12-22 |
EP0830487A1 (de) | 1998-03-25 |
WO1996026335A1 (de) | 1996-08-29 |
ATE176291T1 (de) | 1999-02-15 |
DE29503134U1 (de) | 1996-03-28 |
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