DE2807384A1 - SOUND INSULATION - Google Patents
SOUND INSULATIONInfo
- Publication number
- DE2807384A1 DE2807384A1 DE19782807384 DE2807384A DE2807384A1 DE 2807384 A1 DE2807384 A1 DE 2807384A1 DE 19782807384 DE19782807384 DE 19782807384 DE 2807384 A DE2807384 A DE 2807384A DE 2807384 A1 DE2807384 A1 DE 2807384A1
- Authority
- DE
- Germany
- Prior art keywords
- layer
- material according
- soundproofing material
- sound insulation
- rubber mixture
- 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.)
- Withdrawn
Links
- 238000009413 insulation Methods 0.000 title claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 26
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 22
- 239000011496 polyurethane foam Substances 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 20
- 239000012774 insulation material Substances 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000006004 Quartz sand Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000011133 lead Substances 0.000 claims description 2
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052683 pyrite Inorganic materials 0.000 claims description 2
- 239000011028 pyrite Substances 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 1
- 239000004927 clay Substances 0.000 claims 1
- 239000002985 plastic film Substances 0.000 claims 1
- 229920006255 plastic film Polymers 0.000 claims 1
- -1 polytetrafluoroethylene Polymers 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 1
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 36
- 238000010521 absorption reaction Methods 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
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
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/045—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- 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
- B32B25/02—Layered products comprising a layer of natural or synthetic rubber 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
- B32B5/18—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 features of a layer of foamed material
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/8409—Sound-absorbing elements sheet-shaped
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/03—3 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
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
- B32B2255/205—Metallic coating
-
- 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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0278—Polyurethane
-
- 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
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/72—Cured, e.g. vulcanised, cross-linked
-
- 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
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- 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
- B32B2307/72—Density
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8457—Solid slabs or blocks
- E04B2001/8461—Solid slabs or blocks layered
Description
DEUTSCHE SEHPEHIT GrSSFJ-L1SCHAFT M.U.H,GERMAN SEHPEHIT GrSSFJ-L 1 SCHAFT MUH,
SchalldämmstoffSoundproofing material
Angemeldet am: (Λ /77)
Beginn, der Patentdauer:Registered on: (Λ / 77)
Beginning of the patent period:
Die vorliegende Erfindung betrifft einen Schalldämmstoff mit zumindest zwei miteinander verbundenen Schichten
unterschiedlicher Materialien.The present invention relates to a sound insulation material with at least two interconnected layers
different materials.
Jis sind Schalldämmstoffe bekannt, die aus einer ble!gefüllten Polyvinylchloridschicht bestehen, die auf einem Trüger aus Glasgewebe od, dgl. befestigt und rückseitig mit Polyurethanschaum beschichtet ist« Derartige Schalldämmstoffe werden mit der Polyurethanschaumschichte auf der Resonanzfläche eines Schallerzeugers befestigt. DieJis sound insulation materials are known, which are made from a ble! Polyvinyl chloride layer, which od on a support made of glass fabric, the like. Attached and on the back is coated with polyurethane foam «Such sound insulation materials are coated with the polyurethane foam layer attached to the resonance surface of a sound generator. the
809838/0600809838/0600
Schalldämpfung wird im wesentliehen durch die Bleifüllung der Polyvinylchloridschichte bewirkt. Das Gewebe dient im wesentlichen zur Verbesserung der Festigkeit. Die Lebensdauer derartiger Schalldämmstoffe ist begrenzt, da durch Auswanderung des Weichmachers aus dem Polyvinylchlorid einerseits eine Zerstörung der Haftung zur Resonanzfläche bewirkt wird und andererseits auch eine Versprödung und damit.Verringerung der Dämpfungseigenschaften eintritt. Von der wirtschaftlichen Seite nachteilig ist auch die Tatsache, daß das Gewebe als Festigkeitsträger benötigt wird.Sound attenuation is essentially due to the lead filling the polyvinyl chloride layer causes. The main purpose of the fabric is to improve strength. The lifespan such soundproofing materials are limited because of the emigration of the plasticizer from the polyvinyl chloride on the one hand a destruction of the adhesion to the resonance surface is caused and on the other hand also an embrittlement and Thus, a reduction in the damping properties occurs. From the economic point of view, the fact that the fabric is required as a reinforcement is also disadvantageous will.
Bekannt ist auch die Verwendung von bleigefüllten Gummiplatten als Schallschutzstoff. Derartige Gummiplatten werden direkt an einer Resonanzfläche befestigt und bewirken eine wesentliche Verminderung der Schallabstrahlung. Etwas Schwierigkeiten bereitet die Haftung des Gummis an der Resonanzfläche, die infolge der mechanischen Schwingungen sehr beansprucht wird. Nachteilig ist auch, daß aufgrund der einschichtigen Bauweise eine Anpassung des Absorptlonsverhaltens auf verschiedene Frequenzbedingungen im Einsatz kaum möglich ist. Die vorliegende Erfindung hat sich zum Ziel gesetzt, einen Schalldämmstoff zu schaffen, der für die verschiedensten Einsatzbedingungen optimale Werte der Schalldämmung liefert. Weitere gewünschte Eigenschaften des erfindungsgemäßen Schalldämmstoffes sind seine gute Anpassungsfähigkeit an eine dreidimensionale Fläche, eine gute Temperaturbeständigkeit, seine chemische Unempfindlichkeit und, wenn möglich, auch gute thermische Ioslationseigenschaften. The use of lead-filled rubber sheets as soundproofing material is also known. Such rubber sheets are attached directly to a resonance surface and cause a significant reduction in sound radiation. The adhesion of the rubber to the resonance surface caused some difficulties as a result of the mechanical vibrations is very busy. Another disadvantage is that the absorption behavior is adapted due to the single-layer construction on different frequency conditions in use is hardly possible. The present invention has been directed to The aim is to create a sound insulation material that has optimal values for a wide variety of operating conditions that provides soundproofing. Other desired properties of the soundproofing material according to the invention are its good properties Adaptability to a three-dimensional surface, good temperature resistance, its chemical insensitivity and, if possible, also have good thermal ionizing properties.
Dies wird erfindungsgemäß durch einen Schalldämmstoff der eingangs beschriebenen Art erreicht, bei dem eine Schicht aus einer mit spezifisch schwerem Füllstoff gefüllten Kautschukmischung, die andere Schicht aus Polyurethanweichschaum besteht. Wird ein derartiger Schalldämmstoff beispielsweise zur Schalldämmung von Kompressoren einge-This is achieved according to the invention by a sound insulation material of the type described in the introduction, in which a layer made of a rubber mixture filled with a specifically heavy filler, the other layer made of flexible polyurethane foam consists. If such a soundproofing material is used, for example, for soundproofing compressors
809838/0600809838/0600
28Ü738428Ü7384
\der
setzt, so wird die .Schicht aus\Kautschukmischung an dem Gehäuse befestigt und die Polyurethanschaumschicht weist
in.das Gehäuseinnere. Die auf den Polyurethanschaumstoff
auftreffenden Schallwellen werden durch diesen bereits vorgefiltert und treffen dann erst auf die Schicht aus
der gefüllten Kautschukmischung, wo im wesentlichen die Schallabsorption erfolgt. Die Höhe des Schallabsorptionsgrades
hängt natürlich von der Art des Füllstoffes und von der Dicke dieser Schicht ab. Es ist selbstverständ-\the
the layer of rubber mixture is attached to the housing and the polyurethane foam layer faces inside the housing. The sound waves impinging on the polyurethane foam are already pre-filtered by it and only then hit the layer of the filled rubber mixture, where the sound absorption essentially takes place. The level of sound absorption depends of course on the type of filler and the thickness of this layer. It goes without saying
\der lieh, daß der Schallabsorptionsgrad mit\picke der Schicht zunimmt, so daß dieser Parameter eine weitgehende Anpassung an die Notwendigkeiten erlaubt. Es hat sich erfindungsgemäß aber gezeigt, daß durch die Kombination der Schichte aus der Kautschukmischung und der Schichte aus dem Polyurethanweichschaum ein überraschender Summationseffekt bezüglich der erreichbaren Schallabsorption auftritt. Dies hat seinen Grund möglicherweise in der Tatsache, daß im Gegensatz zu Polyvinylchlorid das bereits für diesen Zweck bekannt war, gefüllte Kautschukmischungen einen sehr hohen Schwingungsdämpfungswert besitzen, so daß der den Füllstoff verbindende Binder selbst einen wesentlichen Beitrag zur Schallabsorption liefert.'\ who borrowed that the sound absorption coefficient with \ picke of the layer increases, so that this parameter allows extensive adaptation to requirements. It has been found according to the invention but shown that by the combination of the rubber compound layer and the layer a surprising summation effect from the flexible polyurethane foam occurs with regard to the achievable sound absorption. This may be due to the The fact that, in contrast to polyvinyl chloride, which was already known for this purpose, filled rubber compounds have a very high vibration damping value, so that the binder connecting the filler itself makes a significant contribution to sound absorption. '
Gemäß der vorliegenden Erfindung können als Füllstoffe für die Kautschukmischung Pulver aus z.B. Bariumsulfat, Bleisulfat, Blei, Kupfer, Eisen, Pyrit, Quarzsand od. dgl., bzw. deren Mischungen verwendet werden. Gewöhnlich wird der Füllstoff in einer derartigen Menge eingesetzt, daß das spezifische Gewicht der gefüllten Kautschukmischung zwischen etwa 2,5 bis 4 g/cnr liegt.According to the present invention, powders of e.g. barium sulfate, lead sulfate, Lead, copper, iron, pyrite, quartz sand or the like, or mixtures thereof can be used. Will be common the filler is used in such an amount that the specific weight of the filled rubber mixture is between about 2.5 to 4 g / cm2.
Besonders gute Schalldämmwerte können erreicht werden, wenn die Kautschukmischung unvulkanisiert ist. Unvulkanisierte Kautschukmischungen besitzen von vornherein eineParticularly good sound insulation values can be achieved if the rubber mixture is unvulcanized. Uncured Rubber compounds have a from the start
809838/0600809838/0600
hohe Schwingungsdämpfung und sind daher für den vorliegenden Zweck besonders gut geeignet. "Vorteilhaft ist bei !anvulkanisierten Kautschukmischungen auch ihr gutes Klebeverhalten. Dieses Vorteiles bedient man sich auch dann, wenn die Kautschukmischung zwar unvulkanisiert ist, aber ein bei Einsatzbedingungen des Schalldämmstoffes die Vulkanisation bewirkendes Vulkanisationsmittel enthält. Durch die Vulkanisation erlangt der Kautschuk eine höhere mechanische Festigkeit und eine verbesserte chemische Resistenz. Sind diese Eigenschaften von vornherein gewünscht, so kann die Kautschukmischung auch von vornherein vulkanisiert eingesetzt werden.high vibration damping and are therefore particularly well suited for the present purpose. "Advantageous is her too with vulcanized rubber compounds good adhesive behavior. This advantage is used even if the rubber mixture is unvulcanized, but under the conditions in which the soundproofing material is used contains vulcanizing agent causing vulcanization. Obtained through vulcanization the rubber has a higher mechanical strength and an improved chemical resistance. Are these characteristics Desired from the start, the rubber mixture can also be used vulcanized from the start will.
Besonders gute schalldämmende Eigenschaften hat der erfindungsgemäße Schalldämmstoff dann, wenn der Polyurethanweichschaumstoff ein Polyester-Polyurethanweichschaumstoff mit einem Raumgewicht von etwa 25 bis etwa 50 g/dnr ist. Polyester-Polyurethanweichschaumstoffe zeichnen sich gegenüber Polyäther-Polyurethanweichschaumstoffen durch eine wesentlich günstigere Schallabsorption aus, was einen Grund möglicherweise in der flexibleren physikalischen Verknüpfung über die Esterbindungen hat. Dadurch ist eine gewisse Verformbarkeit und damit ein Aufnahmevermögen für kinetische Energie gegeben.The soundproofing material according to the invention has particularly good soundproofing properties when the flexible polyurethane foam a polyester-polyurethane flexible foam with a density of about 25 to is about 50 g / dnr. Polyester-polyurethane flexible foams Compared to flexible polyether-polyurethane foams, they are characterized by significantly better sound absorption which may be due to the more flexible physical linkage via the ester linkages. As a result, there is a certain deformability and thus a capacity for absorbing kinetic energy.
Günstige Schalldämmwerte können erreicht werden, wenn die Schicht aus der gefüllten Kautschukmischung etwa 35 bis etwa 6 mm, die Schicht aus Polyurethanweichschaumstoff etwa 15 bis etwa 25 mm dick ist.Favorable sound insulation values can be achieved if the layer is made of the filled rubber mixture for example 35 to about 6 mm, the layer of flexible polyurethane foam is about 15 to about 25 mm thick.
Eine wesentliche Verbesserung der Schalldämmwerte kann noch erreicht werden, wenn die Schicht aus der Kautschukmischung auf der der Schicht aus Polyurethanweichschaumstoff abgewandten Seite ebenfalls mit einer Schicht ausA significant improvement in the sound insulation values can still be achieved if the layer is made from the rubber mixture on top of the layer of flexible polyurethane foam opposite side also with a layer
809838/0600809838/0600
Polyurethanweichschaumstoff verbunden ist. Dadurch ist die Schicht aus der Kautschukmischung nicht direkt an der Resonanzfläche befestigt, so daß Schwingungen der Gummischiehte auf diese nicht direkt übertragen werden. Derartige Schalldämmstoffe haben sich besonders ,ge·«Polyurethane flexible foam is connected. As a result, the layer made of the rubber mixture is not directly on attached to the resonance surface, so that vibrations of the rubber band are not transmitted directly to them. Such soundproofing materials have proven particularly useful
erwiesenproven
eignet zur Schalldämpfung von Maschinengehäusen]/ Günstige Vierte werden dann erzielt, wenn die zweite Polyurethanweichschaumschicht eine Dicke von etwa j5 bis etwa 10, vorzugsweise etwa 4 bis etwa 6 mm aufweist.suitable for soundproofing machine housings] / cheap Fourth are achieved when the second flexible polyurethane foam layer has a thickness of about 5 to about 10, preferably about 4 to about 6 mm.
Zum Schutz gegen besonders aggressive Medien kann es zweckmäßig sein, wenn die Schicht aus Polyurethanweichschaumstoff auf der der Schicht aus der Kautschukmischung abgewandten Seite mit einer Folie aus z.B. Polyester, Polytetraflouräthylen, Silikonkunststoff od. dgl. verbunden ist. Um die an und für sich guten Wärmedämmwerte des erfindungsgemäßen Schalldäminstoffes noch zu verbessern, kann es zweckmäßig sein, wenn die Folie metallbeschichtet, z.B. aluminiumbedampft ist. Dadurch ergibt sich ein zusätzliches Wärmestrahlungsreflexlonsverhalten.To protect against particularly aggressive media, it can be useful if the layer is made of flexible polyurethane foam on the side facing away from the layer of the rubber mixture with a film made of e.g. polyester, Polytetraflouräthylen, silicone plastic or the like. Is connected. About the good thermal insulation values in and of themselves to improve the sound insulation material according to the invention, it can be useful if the foil is metal-coated, e.g. aluminum vapor-deposited. This results in an additional thermal radiation reflection behavior.
Zur Verbesserung der Raumschalldämmung kann die der Schicht aus der Kautschukmischung abgewandte Seite der Polyurethanschaumschicht eine strukturierte Oberfläche aufweisen. Beispielweise kann diese strukturierte Oberfläche genoppt ausgebildet sein oder pyramidenförmige Erhöhungen aufweisen. Dadurch wird das Schallschluckverhalten verbessert. To improve the room sound insulation, the side facing away from the layer of the rubber mixture can be used Polyurethane foam layer have a structured surface. For example, this structured surface be knobbed or have pyramid-shaped elevations. This improves the sound absorption behavior.
Eine besonders vorteilhafte Anbringungsmethode des erfindungsgemäßen Schalldämmstoffes liegt dann vor, wenn er eine selbsthaftende Klebstoffbeschichtung aufweist. Derartige selbsthaftende Klebstoffbeschichtungen sind allerdings nur in einem begrenzten Temperaturbereich anwendbar (bis etwa 700C), da sie bei höheren Temperaturen kaputtgehen.A particularly advantageous method of applying the soundproofing material according to the invention is when it has a self-adhesive adhesive coating. Such self-adhesive adhesive coatings can only be used in a limited temperature range (up to about 70 ° C.), since they break at higher temperatures.
809838/0600809838/0600
Der für den erfindungsgemäßen Schalldämmstoff verwendete Polyurethanweichschaum kann selbstverständlich auch schwer brennbar ausgerüstet werden (nach Ö-Norm B J5.8OO), so daß auch diesbezüglich alle Anforderungen, die an einem Schalldämmstoff gestellt werden, optimal erfüllt s ind.The flexible polyurethane foam used for the soundproofing material according to the invention can of course also be used be made flame-retardant (according to Ö-Norm B J5.8OO), so that in this respect, too, all requirements that are placed on a soundproofing material are optimally met are.
Im folgenden wird die Erfindung anhand der Zeichnung beispielhaft näher erläutert:In the following, the invention is explained in more detail with reference to the drawing:
Es zeigen die Fig. 1 bis 5 Querschnitte durch einen erfindungsgemäßen Schalldämmstoff.1 to 5 show cross-sections through one according to the invention Soundproofing material.
Die Fig. 1 zeigt einen Querschnitt durch einen erfindun^ngemäßen Schalldämmstoff, der aus einer Schicht 1 aus einer gefüllten Kautschulan ischung und einer Schicht 2 aus Polyurethanweichschaum besteht. Gemäß Fig. 2 weist der Schalldämmstoff noch eine weitere Schicht aus Polyurethanweichschaumstoff 5 auf. Die Schicht 2 weist beispielsweise eine Dicke von 20 mm, die Schicht 1 von 3 mm und die Schicht 3 von 5 mm auf. Bei diesem Ausbau beträgt das mittlere Schalldämm-Maß Rm 37 fK dBA. Das Gewicht eines derartig angeordneten Schalldämmstoffen beträgt etwa 9*5 kg/m" (spezifisches Gewicht der Schichtn 1:3)·1 shows a cross section through a sound insulation material according to the invention, which consists of a layer 1 made of a filled rubber foam and a layer 2 made of flexible polyurethane foam. According to FIG. 2, the soundproofing material also has a further layer of flexible polyurethane foam 5. Layer 2 has, for example, a thickness of 20 mm, layer 1 of 3 mm and layer 3 of 5 mm. With this expansion, the mean sound reduction index Rm is 37 f K dBA. The weight of a sound insulation material arranged in this way is about 9 * 5 kg / m "(specific weight of the layers 1: 3)
Gemäß .Fig. 3 weist die Schichte 3 noch eine selbsthafteiulo Klebstoffbeschichtung K auf. Dadurch ist eine besonders einfache Anbringung ermöglicht.According to Fig. 3, the layer 3 also has a self-adhesive coating K. This enables particularly simple attachment.
Zur Verbesserung der Beständigkeit gegenüber aggressiven Medien besitzt der in Fig. 4- dargestellte Schalldämmstoff über der Schichte 2 noch eine Folie 5* beispielsweise aus Polyester.To improve the resistance to aggressive media, the soundproofing material shown in Fig. 4- has Another film 5 *, for example, over the layer 2 made of polyester.
Der in Fig. 5 dargestellte erfindungsgemäße Schalldämmstoff besteht aus einer Schichte 1 aus einer Kautschukmischung und Schichten 3, 6 aus Polyurethanweichschaumstoff·,The soundproofing material according to the invention shown in FIG. 5 consists of a layer 1 made of a rubber mixture and layers 3, 6 made of flexible polyurethane foam,
809838/0600809838/0600
wobei die Schicht 6 eine strukturierte Oberfläche 7 aufweist. Die Strukturierung ist dabei noppenförmig ausgebildet.the layer 6 having a structured surface 7. The structuring is knob-shaped educated.
- Patentansprüche -- patent claims -
809838/0600809838/0600
e e r s e i \ eersei \
Claims (12)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH314877A CH614155A5 (en) | 1977-03-14 | 1977-03-14 | Sound insulating material |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2807384A1 true DE2807384A1 (en) | 1978-09-21 |
Family
ID=4249645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782807384 Withdrawn DE2807384A1 (en) | 1977-03-14 | 1978-02-21 | SOUND INSULATION |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH614155A5 (en) |
DE (1) | DE2807384A1 (en) |
FR (1) | FR2383782A1 (en) |
GB (1) | GB1596607A (en) |
IT (1) | IT1093576B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4334342A1 (en) * | 1993-10-08 | 1995-04-13 | Freudenberg Carl Fa | Sound-absorbing moulded part of layered construction and process for its production |
WO2015158680A1 (en) * | 2014-04-15 | 2015-10-22 | Henkel Ag & Co. Kgaa | Method for thermally insulating and sound-proofing components |
DE102015114379A1 (en) * | 2015-08-28 | 2017-03-02 | Carcoustics Techconsult Gmbh | Method for producing a molded part for soundproofing a mounting device |
DE102019117717A1 (en) * | 2019-07-01 | 2021-01-07 | Wolf Gmbh | Cladding part and sound insulation hood for a heat pump |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH671546A5 (en) * | 1986-09-26 | 1989-09-15 | Matec Holding | |
FR2648748B1 (en) * | 1989-06-22 | 1991-12-06 | Riedel Paul | CRUSH-FREE ASSEMBLY METHOD AND ASSEMBLED PRODUCTS FOR INSULATION |
DE4143670B4 (en) * | 1991-03-27 | 2004-05-13 | E. Missel Gmbh & Co. | Insulating material for sound insulation of pipelines |
GB9321170D0 (en) * | 1993-10-13 | 1993-12-08 | Mazel 1980 Limited | Radiation-shielding material |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1328730A (en) * | 1962-07-12 | 1963-05-31 | Revertex Ltd | Material for noise reduction |
GB1431370A (en) * | 1972-01-06 | 1976-04-07 | Burmah Oil Trading Ltd | Sound insulation materials |
GB1450791A (en) * | 1973-05-18 | 1976-09-29 | Vickers Ltd | Sound absorbing materials |
GB1481355A (en) * | 1974-03-27 | 1977-07-27 | Dunlop Ltd | Laminated noise reduction systems |
-
1977
- 1977-03-14 CH CH314877A patent/CH614155A5/en not_active IP Right Cessation
-
1978
- 1978-02-21 DE DE19782807384 patent/DE2807384A1/en not_active Withdrawn
- 1978-03-01 GB GB7996/78A patent/GB1596607A/en not_active Expired
- 1978-03-13 IT IT7821177A patent/IT1093576B/en active
- 1978-03-14 FR FR7807241A patent/FR2383782A1/en active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4334342A1 (en) * | 1993-10-08 | 1995-04-13 | Freudenberg Carl Fa | Sound-absorbing moulded part of layered construction and process for its production |
DE4334342C2 (en) * | 1993-10-08 | 1999-06-02 | Freudenberg Carl Fa | Sound-absorbing molded part with a layered structure |
WO2015158680A1 (en) * | 2014-04-15 | 2015-10-22 | Henkel Ag & Co. Kgaa | Method for thermally insulating and sound-proofing components |
DE102015114379A1 (en) * | 2015-08-28 | 2017-03-02 | Carcoustics Techconsult Gmbh | Method for producing a molded part for soundproofing a mounting device |
EP3138688A1 (en) * | 2015-08-28 | 2017-03-08 | Carcoustics TechConsult GmbH | Method for producing a moulded part for providing noise insulation for an installed device |
DE102019117717A1 (en) * | 2019-07-01 | 2021-01-07 | Wolf Gmbh | Cladding part and sound insulation hood for a heat pump |
Also Published As
Publication number | Publication date |
---|---|
CH614155A5 (en) | 1979-11-15 |
FR2383782A1 (en) | 1978-10-13 |
IT1093576B (en) | 1985-07-19 |
GB1596607A (en) | 1981-08-26 |
IT7821177A0 (en) | 1978-03-13 |
FR2383782B1 (en) | 1983-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE1650105C3 (en) | Sealing material | |
DE2014894C3 (en) | ||
EP1852252B1 (en) | High-temperature resistant composite material | |
DE112005003232B4 (en) | Sound-absorbing structure | |
EP2731984B1 (en) | Increasing the sound absorption in foam insulating materials | |
DE3905871C2 (en) | ||
DE3108816A1 (en) | THERMAL INSULATING COMPRESSION MATERIAL BASED ON MICROPOROUS OXIDAEROGEL FROM FLAME HYDROLYSIS, METHOD FOR THE PRODUCTION THEREOF, A FILM PRODUCED THEREOF AND A WASHED PRODUCT THEREFOR | |
US6284175B1 (en) | Method for reducing reflected radio frequency electromagnetic radiation | |
WO2014045189A2 (en) | Hybrid noise-insulating structures and applications thereof | |
DE2853397A1 (en) | MULTI-LAYER THERMAL INSULATION MATERIAL AND METHOD FOR MANUFACTURING IT | |
DE2807384A1 (en) | SOUND INSULATION | |
EP0229977A2 (en) | Sound-reducing cladding for the engine compartment of a motor vehicle | |
DE1283421B (en) | Production of protective and insulating coatings on glass, ceramic and plastic vessels, pipes and devices | |
AT391008B (en) | PLASTIC PIPE OR PIPE MOLDING | |
DE1250631B (en) | ||
WO2016113241A1 (en) | Sound-damping or sound-absorbing composite material | |
DE4215468C2 (en) | Bending tensile composite insulation body and method for producing the same | |
DE2524843B2 (en) | INHIBITOR COATING FOR SOLID PROPELLANT AND PROCESS FOR ITS MANUFACTURE | |
DE4217717A1 (en) | Use of an electrically conductive polyurethane film for the production of flexible inserts for containers for storing flammable liquids | |
DE8219731U1 (en) | MAT WITH AIR SOUND INSULATING AND BODY SOUND ABSORBING PROPERTIES | |
EP1028202B1 (en) | Heat and sound insulation element | |
DE1940838B2 (en) | SELF-SUPPORTING THERMOPLASTIC, IF NECESSARY LAMINATED PLASTIC HEAVY FILM | |
DE3631075A1 (en) | MATERIAL FOR ANTIDRO TUBE COVERS AND METHOD FOR THE PRODUCTION OF ANTIDRO TUBE COVERS FROM THIS MATERIAL | |
CH630818A5 (en) | PROCESS FOR CREATING A PROTECTIVE COATING ON PIPES. | |
DE3708961C2 (en) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8140 | Disposal/non-payment of the annual fee for main application |