FR2631667A1 - Damping material in the form of a sheet to be adhesively bonded to a support which it is desired to damp, or to be adhesively bonded between two supports which it is desired to isolate from each other - Google Patents
Damping material in the form of a sheet to be adhesively bonded to a support which it is desired to damp, or to be adhesively bonded between two supports which it is desired to isolate from each other Download PDFInfo
- Publication number
- FR2631667A1 FR2631667A1 FR8806712A FR8806712A FR2631667A1 FR 2631667 A1 FR2631667 A1 FR 2631667A1 FR 8806712 A FR8806712 A FR 8806712A FR 8806712 A FR8806712 A FR 8806712A FR 2631667 A1 FR2631667 A1 FR 2631667A1
- Authority
- FR
- France
- Prior art keywords
- adhesively bonded
- elastomer
- support
- supports
- isolate
- 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
-
- 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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary 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
- B32B5/024—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
- F16F9/306—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium of the constrained layer type, i.e. comprising one or more constrained viscoelastic layers
-
- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/56—Damping, energy absorption
-
- 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
- B32B2603/00—Vanes, blades, propellers, rotors with blades
Abstract
Description
Matériau amortissant se presentant sous la forme d'une plaque a coller sur un support que l'on souhaite amortir ou a coller entre deux supports que l'on souhaite isoler l'un de l'autre.Damping material in the form of a plate to be glued on a support which one wishes to cushion or to be glued between two supports which one wishes to isolate from one another.
La présente invention concerne un matériau amortissant se présentant sous la forme d'une plaquera coller sur un support que l'on souhaite amortir ou à coller entre deux supports que l'on souhaite isoler l'un de l'autre, ce matériau comportant un élastomère. The present invention relates to a shock absorbing material in the form of a plate to stick on a support which one wishes to absorb or to stick between two supports which one wishes to isolate from one another, this material comprising a elastomer.
On connait, par le document FR-2 255 313, des élastomères amortissants fabriqués à partir de polyisoprènes à fort taux d'enchai- nements vinyliques. Document FR-2 255 313 discloses shock-absorbing elastomers made from polyisoprenes with a high rate of vinyl chains.
Les colles utilisées pour le collage de ces élastomères sur un ou deux supports, sont par exemple des résines époxydes, silicones, acryliques ou phénoliques. L'adhérence est toujours réduite car la surface de l'élastomère est souillée par des produits comme les huiles, les graisses, les agents démoulants, ceci étant inhérent à la fabrication de cet élastomère,
Dans le cas d'un élastomère tel que le caoutchouc, on rend sa surface plus rugueuse par un traitement & l'aide d'un acide fort. Des crevasses et des craquelures peuvent apparaitre à sa surface, ce qui améliore les forces d'adhérence mais nuit aux propriétés amortissantes de l'élastomère.The adhesives used for bonding these elastomers to one or two supports are, for example, epoxy, silicone, acrylic or phenolic resins. The adhesion is always reduced because the surface of the elastomer is contaminated by products such as oils, greases, release agents, this being inherent in the manufacture of this elastomer,
In the case of an elastomer such as rubber, its surface is made rougher by treatment with the aid of a strong acid. Cracks and cracks may appear on its surface, which improves the adhesion forces but harms the cushioning properties of the elastomer.
Une solution moins agressive consiste à dégraisser la surface à l'aide d'un solvant organique puis à appliquer un promoteur d'adhérence. A less aggressive solution is to degrease the surface with an organic solvent and then apply an adhesion promoter.
Ces promoteurs d'adhérence présentent une affinité avec chacune des deux surfaces à coller, la surface de l'élastomère et celle d'un support, et la nature chimique des promoteurs dépend directement de la nature chimique de la colle utilisée. These adhesion promoters have an affinity with each of the two surfaces to be bonded, the surface of the elastomer and that of a support, and the chemical nature of the promoters depends directly on the chemical nature of the adhesive used.
Cette solution présente malgré tout un inconvénient majeur car la moindre manipulation, une simple pression des doigts de la main par exemple, rend inefficace le promoteur d'adhérence même si ce promoteur est recouvert par un film protecteur en papier ou en polyéthylène. This solution nevertheless has a major drawback because the slightest manipulation, a simple pressure of the fingers of the hand for example, renders the adhesion promoter ineffective even if this promoter is covered with a protective film of paper or polyethylene.
Le but de la présente invention est de rendre-efficace le promoteur d'adhérence, en toutes circonstances, et ce but est atteint en plaçant, entre le promoteur d'adhérence et le support, un élément intercalaire. The object of the present invention is to make the adhesion promoter effective in all circumstances, and this object is achieved by placing, between the adhesion promoter and the support, an intermediate element.
L'adhérence entre un élastomère et un support est ainsi augmentée par la présence d'un élément intercalaire qui regle le problème crucial de l'interface à l'aide de deux couches de colle séparées par un renfort, au lieu d'une seule couche de colle dans l'art antérieur. The adhesion between an elastomer and a support is thus increased by the presence of an intermediate element which solves the crucial problem of the interface using two layers of adhesive separated by a reinforcement, instead of a single layer. glue in the prior art.
En outre, cet élément intercalaire évite toute déformation intempestive de l'élastomère. In addition, this intermediate element prevents any untimely deformation of the elastomer.
En effet l'une des propriétés principales de ces élastomères est leur élasticité qui permet des allongements de plusieurs centaines de pourcentage. Indeed one of the main properties of these elastomers is their elasticity which allows elongations of several hundred percent.
Les contraintes engendrées se relaxent au cours du temps plus ou moins rapidement, mais il est difficile de savoir, à un instant donné, dans quel état se situe un élastomère qui a été manipulé. The stresses generated relax over time more or less quickly, but it is difficult to know, at a given instant, in what state an elastomer which has been handled is in.
Le fait de placer sur l'élastomère un élément intercalaire à faible possibilité d'extension, annihile les déformations malencontreuses de l'élastomère qui conserve ainsi toutes ses caractéristiques d'origine. The fact of placing on the elastomer an intermediate element with low possibility of extension, annihilates the unfortunate deformations of the elastomer which thus retains all its original characteristics.
La présente invention a pour objet un matériau amortissant seprésentant sous la forme d'une plaque à coller sur un support que l'on souhaite amortir ou à coller entre deux supports que l'on souhaite isoler l'un de l'autre, comportant un élastomère, et sur une face ou sur chaque face de l'élastomère, un promoteur d'adhérence améliorant l'éfficacité du collage, caractérisé en ce qu'il comporte sur une face ou sur chaque face, un élément intercalaire constitué d'un renfort se présentant sous la forme d'une feuille enduite sur ses deux faces d'un adhésif. The subject of the present invention is a damping material which is in the form of a plate to be bonded to a support which it is desired to cushion or to be bonded between two supports which it is desired to isolate from one another, comprising a elastomer, and on one side or on each side of the elastomer, an adhesion promoter improving the effectiveness of the bonding, characterized in that it comprises on one side or on each side, an intermediate element consisting of a reinforcement in the form of a sheet coated on both sides with an adhesive.
Afin d'assurer sa commercialisation, le matériau comporte, sur chaque face munie d'un élément intercalaire, une couche de protection qui sera retirée avant utilisation. To ensure its marketing, the material has, on each side provided with an intermediate element, a protective layer which will be removed before use.
I1 est décrit ci-après, à titre d'exemple et en référence aux dessins annexés, un matériau amortissant selon l'invention. I1 is described below, by way of example and with reference to the accompanying drawings, a damping material according to the invention.
La figure 1 montre un matériau amortissant selon l'invention. Figure 1 shows a damping material according to the invention.
La figure 2 montre un schéma de montage des éprouvettes utilisées pour la mesure d'adhérence par cisaillement en traction. FIG. 2 shows a diagram of assembly of the test specimens used for the measurement of adhesion by shear in traction.
La figure 1 montre, en vue éclatée, un matériau amortissant 10 comportant un élastomère 11, et sur chaque face de l'élastomère, successivement, un promoteur d'adhérence-12, un élément intercalaire 20 et une couche de protection 30. FIG. 1 shows, in exploded view, a damping material 10 comprising an elastomer 11, and on each face of the elastomer, successively, an adhesion promoter-12, an intermediate element 20 and a protective layer 30.
L'élément intercalaire 20 se compose d'un renfort 21 recouvert sur ses deux faces, d'un adhésif 22. The intermediate element 20 consists of a reinforcement 21 covered on its two faces with an adhesive 22.
Le renfort 21 peut être par exemple un tissu à base de fibres de verre, carbone, aramide, silice, polyester, ou d'autres fibres synthétiques, comme le polyéthylène, etc... The reinforcement 21 may for example be a fabric based on glass fibers, carbon, aramid, silica, polyester, or other synthetic fibers, such as polyethylene, etc.
Ces mêmes produits peuvent se présenter sous forme de tresses ou de tricots.These same products can be in the form of braids or knits.
Un autre type de renfort 21 serait un non tissé comme un feutre à base de fibres énumérées ci-dessus ou encore des fibres à base de polymères organiques. Un autre type de renfort 21 serait un papier à base de cellulose.Another type of reinforcement 21 would be a nonwoven such as a felt based on fibers listed above or even fibers based on organic polymers. Another type of reinforcement 21 would be cellulose-based paper.
L'adhésif 22 peut être, par exemple, une résine époxyde ou acrylique, un silicone, un phénolique, un polyester ou acrylonitrile, etc... The adhesive 22 can be, for example, an epoxy or acrylic resin, a silicone, a phenolic, a polyester or acrylonitrile, etc.
La couche de protection 30 peut être un papier siliconé antiadhérent. Lorsque que les adhésifs 22 sont très collants, la couche de protection est de préférence un polyèthylène non lisse, par exemple gaufré. The protective layer 30 can be a non-stick silicone paper. When the adhesives 22 are very sticky, the protective layer is preferably a non-smooth polyethylene, for example embossed.
La figure 2 montre un schéma de montage des éprouvettes d'essais. Figure 2 shows an assembly diagram of the test specimens.
Un matériau composite 50 est collé entre deux éprouvettes 40 représentant chacune un support métallique d'épaisseur 1,5 mm. A composite material 50 is bonded between two test pieces 40 each representing a metal support 1.5 mm thick.
Le matériau composite 50, d'épaisseur 2 mm, est constitué d'un matériau amortissant 10 auquel on a retiré les deux couches de protection 30, ce matériau amortissant 10 étant pris en sandwich entre deux préimprégnés verre-époxy 51, 52 de la société ALSTHOM (référence FM 673). 2
La surface de collage est de 100 mm (10 x 10) et l'empilage, (matériau composite 50, éprouvettes 40) est polymérisé durant deux heures à 1200 C.The composite material 50, 2 mm thick, consists of a damping material 10 from which the two protective layers 30 have been removed, this damping material 10 being sandwiched between two glass-epoxy prepregs 51, 52 of the company ALSTHOM (reference FM 673). 2
The bonding surface is 100 mm (10 x 10) and the stack (composite material 50, test pieces 40) is polymerized for two hours at 1200 C.
Quelques essais mécaniques en résistance cisaillement-traction permettent de juger de la valeur de la force d'adhérenCe entre les différents constituants du matériau composite 50, selon la norme NFT 57555. Some mechanical tests in shear-tensile strength make it possible to judge the value of the adhesion force between the various constituents of the composite material 50, according to standard NFT 57555.
La force d'adhérence sans élément intercalaire 20 est de 3,3 MPa. The adhesion strength without interlayer 20 is 3.3 MPa.
Les résultats de la force d'adhérence, en fonction de l'élément intercalaire utilisé, sont les suivants
- tissu polyester T52 de HEXCEL-GENIN : 6 MPa,
- tissu verre 1381 de PORCHER : 4,4 MPa
- feutre polyester H1603 de FREUDENBERG : 4,4 MPa
- tissu mixte verre-polyester 1294 de PORCHER : 4,9 MPa.The results of the adhesion force, depending on the insert used, are as follows
- polyester fabric T52 from HEXCEL-GENIN: 6 MPa,
- PORCHER 1381 glass fabric: 4.4 MPa
- polyester felt H1603 from FREUDENBERG: 4.4 MPa
- PORCHER 1294 mixed glass-polyester fabric: 4.9 MPa.
Ces résultats montrent que, en présence d'un élément intercalaire, l'adhérence est augmentée de manière significative. These results show that, in the presence of an intermediate element, the adhesion is significantly increased.
Dans une application particulièrement intéressante, le matériau composite 50 peut constituer une lame de ressort. In a particularly interesting application, the composite material 50 can constitute a leaf spring.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8806712A FR2631667B1 (en) | 1988-05-19 | 1988-05-19 | SHOCK ABSORBING MATERIAL IN THE FORM OF A PLATE FOR ADHESIVING ONTO A SUBSTRATE WHICH WE WISH TO BE CUSHIONED OR FOR BONDING BETWEEN TWO SUPPORTS WHICH WE WISH TO ISOLATE FROM ONE ANOTHER |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8806712A FR2631667B1 (en) | 1988-05-19 | 1988-05-19 | SHOCK ABSORBING MATERIAL IN THE FORM OF A PLATE FOR ADHESIVING ONTO A SUBSTRATE WHICH WE WISH TO BE CUSHIONED OR FOR BONDING BETWEEN TWO SUPPORTS WHICH WE WISH TO ISOLATE FROM ONE ANOTHER |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2631667A1 true FR2631667A1 (en) | 1989-11-24 |
| FR2631667B1 FR2631667B1 (en) | 1993-09-03 |
Family
ID=9366437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8806712A Expired - Lifetime FR2631667B1 (en) | 1988-05-19 | 1988-05-19 | SHOCK ABSORBING MATERIAL IN THE FORM OF A PLATE FOR ADHESIVING ONTO A SUBSTRATE WHICH WE WISH TO BE CUSHIONED OR FOR BONDING BETWEEN TWO SUPPORTS WHICH WE WISH TO ISOLATE FROM ONE ANOTHER |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2631667B1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2698059A1 (en) * | 1992-11-17 | 1994-05-20 | Olin | Composite trim for bodies, carcasses and various structures. |
| EP0663542A1 (en) * | 1993-12-28 | 1995-07-19 | LINTEC Corporation | Vibration damper material and method of manufacturing thereof |
| US5709918A (en) * | 1994-09-26 | 1998-01-20 | Bridgestone Corporation | Information indicator and information indicating labels |
| US20130302601A1 (en) * | 2001-08-27 | 2013-11-14 | Matscitechno Licensing Company | Vibration dampening material |
| US9265999B2 (en) | 2001-08-27 | 2016-02-23 | Matscitechno Licensing Company | Vibration dampening material and method of making same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2278733A (en) * | 1939-10-05 | 1942-04-07 | Emulsions Process Corp | Sound deadener |
| DE1673219U (en) * | 1953-03-09 | 1954-03-11 | Paul Heller | ELASTIC FILM, IN PARTICULAR FOR SEALS, AS WELL AS BUMP AND SOUND INSULATION OD. DGL. |
| DE1676420U (en) * | 1953-04-24 | 1954-05-20 | Hein & Co | DAMPERS FOR MECHANICAL VIBRATIONS AND NOISE. |
| FR2336299A1 (en) * | 1975-12-24 | 1977-07-22 | Messerschmitt Boelkow Blohm | ELASTOMERIC CUSHIONING DEVICE, IN PARTICULAR FOR HELICOPTER BLADES |
| EP0145122A1 (en) * | 1983-11-17 | 1985-06-19 | Imi-Tech Corporation | Polyimide composite |
| EP0146521A2 (en) * | 1983-11-21 | 1985-06-26 | Monsanto Company | Laminate structure with improved acoustical absorption |
| FR2571108A1 (en) * | 1984-09-28 | 1986-04-04 | Rollin Manuf Alsa Caoutchouc E | DAMPING DEVICE FOR DAMPING IN PARTICULAR VIBRATIONS IN RELATION TO A STRUCTURAL ELEMENT |
-
1988
- 1988-05-19 FR FR8806712A patent/FR2631667B1/en not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2278733A (en) * | 1939-10-05 | 1942-04-07 | Emulsions Process Corp | Sound deadener |
| DE1673219U (en) * | 1953-03-09 | 1954-03-11 | Paul Heller | ELASTIC FILM, IN PARTICULAR FOR SEALS, AS WELL AS BUMP AND SOUND INSULATION OD. DGL. |
| DE1676420U (en) * | 1953-04-24 | 1954-05-20 | Hein & Co | DAMPERS FOR MECHANICAL VIBRATIONS AND NOISE. |
| FR2336299A1 (en) * | 1975-12-24 | 1977-07-22 | Messerschmitt Boelkow Blohm | ELASTOMERIC CUSHIONING DEVICE, IN PARTICULAR FOR HELICOPTER BLADES |
| EP0145122A1 (en) * | 1983-11-17 | 1985-06-19 | Imi-Tech Corporation | Polyimide composite |
| EP0146521A2 (en) * | 1983-11-21 | 1985-06-26 | Monsanto Company | Laminate structure with improved acoustical absorption |
| FR2571108A1 (en) * | 1984-09-28 | 1986-04-04 | Rollin Manuf Alsa Caoutchouc E | DAMPING DEVICE FOR DAMPING IN PARTICULAR VIBRATIONS IN RELATION TO A STRUCTURAL ELEMENT |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2698059A1 (en) * | 1992-11-17 | 1994-05-20 | Olin | Composite trim for bodies, carcasses and various structures. |
| WO1994011860A1 (en) * | 1992-11-17 | 1994-05-26 | Societe Olin | Composite sound damping member |
| TR28266A (en) * | 1992-11-17 | 1996-04-17 | Olin Soc | Mixed coating for sound damping. |
| EP0663542A1 (en) * | 1993-12-28 | 1995-07-19 | LINTEC Corporation | Vibration damper material and method of manufacturing thereof |
| US5712038A (en) * | 1993-12-28 | 1998-01-27 | Lintec Corporation | Vibration damper material |
| AU689821B2 (en) * | 1993-12-28 | 1998-04-09 | Lintec Corporation | Vibration damper material and method of manufacturing thereof |
| US5709918A (en) * | 1994-09-26 | 1998-01-20 | Bridgestone Corporation | Information indicator and information indicating labels |
| US20130302601A1 (en) * | 2001-08-27 | 2013-11-14 | Matscitechno Licensing Company | Vibration dampening material |
| US9265999B2 (en) | 2001-08-27 | 2016-02-23 | Matscitechno Licensing Company | Vibration dampening material and method of making same |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2631667B1 (en) | 1993-09-03 |
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