FR2562471A1 - Material based on a non-woven textile sheet (mat) which can be used as strengthening reinforcement for waterproof coverings - Google Patents

Material based on a non-woven textile sheet (mat) which can be used as strengthening reinforcement for waterproof coverings Download PDF

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Publication number
FR2562471A1
FR2562471A1 FR8405692A FR8405692A FR2562471A1 FR 2562471 A1 FR2562471 A1 FR 2562471A1 FR 8405692 A FR8405692 A FR 8405692A FR 8405692 A FR8405692 A FR 8405692A FR 2562471 A1 FR2562471 A1 FR 2562471A1
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FR
France
Prior art keywords
layers
mat
nonwoven
polyester
bitumen
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Granted
Application number
FR8405692A
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French (fr)
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FR2562471B3 (en
Inventor
Andre Fourezon
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Chomarat & Cie
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Chomarat & Cie
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Publication date
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Priority to FR8405692A priority Critical patent/FR2562471B3/en
Publication of FR2562471A1 publication Critical patent/FR2562471A1/en
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Publication of FR2562471B3 publication Critical patent/FR2562471B3/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B11/00—Layered products comprising a layer of bituminous or tarry substances
    • B32B11/02—Layered products comprising a layer of bituminous or tarry substances with fibres or particles being present as additives in the layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/04—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by applying or incorporating chemical or thermo-activatable bonding agents in solid or liquid form
    • 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
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/12—Glass fibres
    • 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
    • E04D5/02—Roof covering by making use of flexible material, e.g. supplied in roll form of materials impregnated with sealing substances, e.g. roofing felt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable

Abstract

The material can be used as strengthening reinforcement of bituminous waterproof coverings, which material is of the type consistuted by a non-woven fibrous sheet (mat). It is characterised in that the said sheet (mat) is formed from a complex which includes three superposed layers of fibres, bonded to each other, the external layers being based on discontinuous glass fibres and the intermediate layer being constituted by a polyester non-woven, the assembly of the layers thus combined being bonded chemically by means of an adhesive material which is compatible with bitumen.

Description

La présente invention concerne un nouveau type de matériau à base d'une nappe textile non tissée utilisable comme armature de renforcement de revêtements d'étanchéité, notamment à base de bitume. The present invention relates to a new type of material based on a nonwoven textile web usable as reinforcement for waterproofing coatings, in particular based on bitumen.

Les revêtements d'étanchéité à base de bitume renforcés par une structure textile sont connus depuis fort longtemps. Bitumen-based waterproofing coatings reinforced by a textile structure have been known for a very long time.

Le plus ancien est celui qui avait été utilisé par
Noé pour construire son arche.The oldest is the one that had been used by
Noah to build his ark.

En effet, ainsi que cela ressort clairement de l'Ancien Testament, Genèse-Verset 14, avant le déluge
Yahvé dit à Noé :-Fae une arche en bo e%neax, tu la feras en roseaux et tu l'enduiras de bitume 2-dedan6 et en-dehors"
Ainsi, il ressort clairement de cette description lue des matériaux étanches à base de bitume renforcé par une structure servant de support était connue.Indeed, as is clear from the Old Testament, Genesis-Verse 14, before the flood
Yahweh said to Noah: -Make an ark in bo e% neax, you will make it out of reeds and you will cover it with bitumen 2 inside and outside "
Thus, it is clear from this description read of waterproof materials based on bitumen reinforced by a structure serving as a support was known.

Depuis cette époque, de tels matériaux n'ont cessé d'être utilisés, notamment pour réaliser la couverture de bâtiments. Les armatures de renforcement ont bien évidemment évolué en même temps que de nouvelles matières textiles et/ou structures à base de ces matières apparaissaient sur le marché. Since that time, such materials have not ceased to be used, especially for the roofing of buildings. Reinforcement reinforcements have obviously evolved at the same time as new textile materials and / or structures based on these materials appeared on the market.

Ainsi, il a été proposé d'utiliser comme armatures de renforcement des feutres à base de fibres de verre, des structures tissées ou non (FR-A-1 330 291, 1 391 454) voire même réaliser des complexes non tissés/tissus dans lesquels les différentes couches sont liées entre elles par des coutures (US-A-3 044 146) et/ou d'associer des nappes à base de matière textile différente par exemple un non-tissé polyester et un voile de fibres de verre. Thus, it has been proposed to use as reinforcements for felts based on glass fibers, woven or non-woven structures (FR-A-1 330 291, 1 391 454) or even make non-woven / fabric complexes in which the different layers are linked together by seams (US-A-3,044,146) and / or combine sheets based on different textile material, for example a polyester nonwoven and a veil of glass fibers.

Toutes les propositions faites à ce jour ne permettent cependant pas d'obtenir de manière économique, à grande vitesse, un complexe fibreux qui soit facile à manipuler et à stocker et qui présente l'ensemble des qualités exigées lorsque l'on désire réaliser un revêtement d'étanchéité monocouche à savoir de très bonnes propriétés mécaniques, une stabilité dimensionnelle et une excellente résistance aux poinçonnements tant statique que dynamique. However, all the proposals made to date do not make it possible to economically obtain, at high speed, a fibrous complex which is easy to handle and store and which has all the qualities required when it is desired to make a coating. single-layer waterproofing, namely very good mechanical properties, dimensional stability and excellent resistance to punctures, both static and dynamic.

Le matériau le plus approprié pour remplir toutes ces caractéristiques est, à ce jour, constitué par un complexe formé d'un non-tissé en polyester associé sur l'une de ses faces avec une grille textile en verre. The material most suitable for fulfilling all these characteristics is, to date, constituted by a complex formed of a polyester nonwoven associated on one of its faces with a glass textile grid.

Un tel complexe est commercialisé par le Demandeur sous la référence 603 GP 70.Such a complex is marketed by the Applicant under the reference 603 GP 70.

I1 donne de très bons résultats mais nécessite des installations complexes pour le réaliser. It gives very good results but requires complex installations to achieve it.

Or on a trouvé, et c'est ce qui fait l'objet de la présente invention, un nouveau type de complexe fibreux qui, non seulement permet d'obtenir les caractéristiques souhaitées pour des revêtements d'étanchéité à base de bitume et plus particulièrement les revêtements monocouches mais qui, par ailleurs, peut être produit à grande vitesse, est facile à stocker et manipuler, présente une très grande stabilité dimensionnelle, et présente une excellente résistance aux poinçonnements. Now we have found, and this is the subject of the present invention, a new type of fibrous complex which not only makes it possible to obtain the desired characteristics for bitumen-based waterproofing coatings and more particularly monolayer coatings but which, moreover, can be produced at high speed, is easy to store and handle, has very high dimensional stability, and has excellent resistance to punctures.

D'une manière générale, l'invention concerne donc un matériau utilisable comme armature de renforcement de revêtements d'étanchéité bitumineux, ledit matériau étant du type constitué par une nappe fibreuse non tissée et étant caractérisé par le fait que ladite nappe est formée d'un complexe comportant trois couches de fibres superposées, liées entre elles, les couches externes étant à base de fibres de verre discontinues et la couche intermédiaire étant constituée par un non-tissé en polyester, l'ensemble des couches ainsi associées étant lié chimiquement par une matière collante de type connu compatible avec le bitume.De préférence, la couche interne à base de polyester est un non-tissé réalisé à partir de filaments continus, relativement compact et de faible épaisseur, les fibres de verre des couches externes étant quant à elles, avant imprégnation de l'ensemble par la matière liante, à l'état pratiquement libre sans liaisonentre elles. In general, the invention therefore relates to a material which can be used as a reinforcement for bituminous waterproofing coatings, said material being of the type consisting of a nonwoven fibrous web and being characterized in that said web is formed from a complex comprising three layers of superimposed fibers, linked together, the external layers being based on discontinuous glass fibers and the intermediate layer consisting of a polyester nonwoven, all of the layers thus associated being chemically linked by a sticky material of known type compatible with bitumen. Preferably, the polyester-based inner layer is a nonwoven produced from continuous filaments, relatively compact and of small thickness, the glass fibers of the outer layers being , before impregnation of the assembly with the binding material, in the practically free state without bonding between them.

De plus, la nappe interne en polyester a un poids égal au plus à la moitié de celui des nappes de verre. In addition, the internal polyester sheet has a weight equal to at most half that of glass sheets.

Les différentes couches peuvent, avant imprégnation avec la matière liante, être soit simplement superposées les unes sur les autres, soit, éventuellement, liées entre elles par tout moyen connu tel que collage, aiguilletage, couture. The different layers can, before impregnation with the binding material, be either simply superimposed on each other, or, optionally, linked together by any known means such as gluing, needling, sewing.

L'invention et les avantages qu'elle comporte seront cependant mieux compris grace à l'exemple de réalisation donné ci-après à titre indicatif mais non limitatif. The invention and the advantages which it comprises will however be better understood thanks to the embodiment given below for information but not limitation.

Sur une installation conventionnelle permettant de.- superposer des nappes non tissées, on associe un non-tissé polyester pesant 70 grammes par mètre carré entre deux nappes de fibres de verre pesant au total 150 à 160 g/m2
Les nappes ainsi superposées passent entre des cylindres d'entrainement pour ëtre imprégnés plein bain dans une composition de colle de type styrène butadiène. Après imprégnation et exprimage entre des rouleaux, le complexe formé passe dans un four provoquant le sèchage de la colle.On a conventional installation making it possible to superimpose nonwoven sheets, a polyester nonwoven weighing 70 grams per square meter is combined between two sheets of glass fibers weighing in total 150 to 160 g / m2.
The layers thus superimposed pass between drive rolls to be impregnated full bath in an adhesive composition of styrene butadiene type. After impregnation and pressing between rollers, the complex formed passes through an oven causing the glue to dry.

Le complexe ainsi réalisé est alors revêtu d'une couche de bitume permettant d'obtenir un matériau d'étanchéité ayant une épaisseur de quatre millimètres. The complex thus produced is then coated with a layer of bitumen making it possible to obtain a sealing material having a thickness of four millimeters.

I1 présente d'excellentes caractéristiques, tant d'un point de vue stabilité dimensionnelle que de résistance au poinçonnement dynamique et au poinçonnement statique le rendant particulièrement approprié pour l'utiliser comme revêtement d' étanchéité monocouche.  It has excellent characteristics, both from the point of view of dimensional stability and of resistance to dynamic punching and to static punching, making it particularly suitable for use as a single-layer waterproofing coating.

Par ailleurs, le complexe textile de base peut facilement être stocké et manipulé, ce qui présente un avantage certain étant donné, qu'en général, le revêtement de bitume est réalisé par d'autres industriels que ceux fabriquant les armatures de renforcement. Furthermore, the basic textile complex can easily be stored and handled, which has a certain advantage given that, in general, the coating of bitumen is produced by other manufacturers than those manufacturing the reinforcements.

Bien entendu, l'invention n t est pas limitée à l'exemple de réalisation décrit précédemment mais elle en couvre toutes les variantes réalisées dans le même esprit.  Of course, the invention is not limited to the embodiment described above, but it covers all the variants produced in the same spirit.

Claims (3)

REVENDICATIONS 1/ Matériau utilisable comme armature de renforcement de revetements d'étanchéité bitumineux, matériau du type constitué par une nappe fibreuse non tissée, caractérisé par le fait que ladite nappe est formée d'un complexe comportant trois couches de fibres superposées, liées entre elles, les couches externes étant à base de fibres de verre discontinues et la couche intermédiaire étant constituée par un non-tissé en polyester, l'ensem- ble des couches ainsi associées étant lié chimiquement par une matière collante compatible avec le bitume. 1 / Material usable as reinforcement for bituminous waterproofing coatings, material of the type constituted by a nonwoven fibrous sheet, characterized in that said sheet is formed of a complex comprising three layers of superposed fibers, linked together, the outer layers being based on staple glass fibers and the intermediate layer consisting of a polyester nonwoven, all of the layers thus associated being chemically bonded by a sticky material compatible with bitumen. 2/ Matériau selon la revendication 1, caractérisé par le fait que la couche interne à base de polyester est un non-tissé réalisé à partir de filaments continus, relativement compacts et de faible épaisseur, les fibres de verre des couches externes étant quant à elles, avant imprégnation de l'ensemble dans la matière liante, à l'état pratiquement libre sans liaison entre elles. 2 / Material according to claim 1, characterized in that the internal polyester-based layer is a nonwoven produced from continuous filaments, relatively compact and of small thickness, the glass fibers of the external layers being in turn , before impregnation of the assembly in the binding material, in the practically free state without connection between them. 3/ Matériau selon l'une des revendications 1 et 2, caractérisé par le fait que la nappe interne en polyester a un poids égal au plus à la moiti de celui des nappes de verre.  3 / Material according to one of claims 1 and 2, characterized in that the internal polyester ply has a weight equal at most to half that of the glass plies.
FR8405692A 1984-04-06 1984-04-06 MATERIAL BASED ON A NONWOVEN TEXTILE TABLECLOTH FOR USE AS A REINFORCING REINFORCEMENT FOR SEALING COATINGS Expired FR2562471B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8405692A FR2562471B3 (en) 1984-04-06 1984-04-06 MATERIAL BASED ON A NONWOVEN TEXTILE TABLECLOTH FOR USE AS A REINFORCING REINFORCEMENT FOR SEALING COATINGS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8405692A FR2562471B3 (en) 1984-04-06 1984-04-06 MATERIAL BASED ON A NONWOVEN TEXTILE TABLECLOTH FOR USE AS A REINFORCING REINFORCEMENT FOR SEALING COATINGS

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FR2562471A1 true FR2562471A1 (en) 1985-10-11
FR2562471B3 FR2562471B3 (en) 1986-05-16

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259612A2 (en) 1986-08-08 1988-03-16 Bay Mills Limited Reinforcing composite for roofing membranes and process for making such composites
EP0269989A1 (en) * 1986-12-05 1988-06-08 Roland-Werke Dachbaustoffe und Bauchemie GmbH & Co. KG Bitumen sealing strip
DE3941189A1 (en) * 1988-12-13 1990-06-21 Rhone Poulenc Fibres CARRIER BASED ON NON-WOVEN FLEECE OF CHEMICAL TEXTILE FIBER AND ITS PRODUCTION PROCESS
EP0829591A2 (en) * 1996-09-13 1998-03-18 Bay Mills Limited Preformed, unitary composite for reinforcing while suppressing curl in bituminous roofing membranes and process for making such composites
FR2796974A1 (en) 1999-07-30 2001-02-02 Textiles Plastiques Chomarat COATING OF SEALING
EP2261411A1 (en) * 2005-02-04 2010-12-15 Johns Manville International, Inc. Method for producing a reinforced polyester non-woven material
US8007893B2 (en) 2003-03-31 2011-08-30 Ocv Intellectual Capital, Llc Reinforcement structures and processes for manufacturing same
FR3052176A1 (en) * 2016-06-06 2017-12-08 Gerflor SOIL COATING COMPRISING INK JET PRINTED DECORATION

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259612A2 (en) 1986-08-08 1988-03-16 Bay Mills Limited Reinforcing composite for roofing membranes and process for making such composites
EP0259612A3 (en) * 1986-08-08 1989-10-11 Bay Mills Limited Reinforcing composite for roofing membranes and process for making such composites
EP0269989A1 (en) * 1986-12-05 1988-06-08 Roland-Werke Dachbaustoffe und Bauchemie GmbH & Co. KG Bitumen sealing strip
DE3941189A1 (en) * 1988-12-13 1990-06-21 Rhone Poulenc Fibres CARRIER BASED ON NON-WOVEN FLEECE OF CHEMICAL TEXTILE FIBER AND ITS PRODUCTION PROCESS
EP0829591A2 (en) * 1996-09-13 1998-03-18 Bay Mills Limited Preformed, unitary composite for reinforcing while suppressing curl in bituminous roofing membranes and process for making such composites
EP0829591A3 (en) * 1996-09-13 2002-04-17 Bay Mills Limited Preformed, unitary composite for reinforcing while suppressing curl in bituminous roofing membranes and process for making such composites
FR2796974A1 (en) 1999-07-30 2001-02-02 Textiles Plastiques Chomarat COATING OF SEALING
US8007893B2 (en) 2003-03-31 2011-08-30 Ocv Intellectual Capital, Llc Reinforcement structures and processes for manufacturing same
EP2261411A1 (en) * 2005-02-04 2010-12-15 Johns Manville International, Inc. Method for producing a reinforced polyester non-woven material
FR3052176A1 (en) * 2016-06-06 2017-12-08 Gerflor SOIL COATING COMPRISING INK JET PRINTED DECORATION
CN107458061A (en) * 2016-06-06 2017-12-12 洁福公司 Include the floor of the decoration by ink jet printing
EP3254848A1 (en) * 2016-06-06 2017-12-13 Gerflor Floor covering comprising an inkjet printed decoration

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