DE102009004088A1 - Footfall sound insulator comprises a plastic foam with a slight thickness, and talcum as cell former, where the plastic foam is physical propellant, where component of the propellant comes from the propellant group of propane - Google Patents

Footfall sound insulator comprises a plastic foam with a slight thickness, and talcum as cell former, where the plastic foam is physical propellant, where component of the propellant comes from the propellant group of propane Download PDF

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DE102009004088A1
DE102009004088A1 DE102009004088A DE102009004088A DE102009004088A1 DE 102009004088 A1 DE102009004088 A1 DE 102009004088A1 DE 102009004088 A DE102009004088 A DE 102009004088A DE 102009004088 A DE102009004088 A DE 102009004088A DE 102009004088 A1 DE102009004088 A1 DE 102009004088A1
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plastic foam
propellant
weight
sound insulation
impact sound
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DE102009004088B4 (en
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Wolfgang Retsch
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Steinbacher Daemmstoff At GmbH
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Gefinex GmbH
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/182—Underlayers coated with adhesive or mortar to receive the flooring

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The footfall sound insulator comprises a plastic foam with a slight thickness and a space weight of 10-200 kg per cubic meter, and talcum as cell former, where the plastic foam is thermoplastic elastomer (TPE) in the form of a copolymer based on ethene-1-octene. The TPE quantity in the plastic foam is 90 wt.% related to the plastic foam. The plastic foam consists of polyethylene (PE) portion, which partially consists of low-density polyethylene (LDPE). The PE portion in the plastic foam is 50 wt.%. The LDPE portion is +- 1 wt.% related to the plastic foam. The footfall sound insulator comprises a plastic foam with a slight thickness and a space weight of 10-200 kg per cubic meter, and talcum as cell former, where the plastic foam is thermoplastic elastomer (TPE) in the form of a copolymer based on ethene-1-octene. The TPE quantity in the plastic foam is 90 wt.% related to the plastic foam. The plastic foam consists of polyethylene (PE) portion, which partially consists of low-density polyethylene (LDPE). The PE portion in the plastic foam is 50 wt.%. The LDPE portion is +- 1 wt.% related to the plastic foam. The plastic foam is physical propellant. The component of the propellant comes from the propellant group of propane, i-butane and carbon dioxide and is 90 wt.% related to the propellant quantity. The propellant quantity is 16 wt.% related to feed mixture in extruder. The quantity of talcum is 0-5 wt.% related to the plastic foam.

Description

Die Erfindung betrifft eine Trittschalldämmung aus Kunststoffschaum.The The invention relates to a footfall sound insulation made of plastic foam.

Als Trittschall wird der Schall bezeichnet, der sich durch Begehen eines Fußbodens im Gebäude ausbreitet.When Impact sound is the sound that is characterized by committing a Floor in the building floor.

Trittschalldämmung gehört zu einem zeitgemäßen Fußbodenaufbau in Gebäuden. Insbesondere bei Gebäuden aus Beton pflanzt sich der Schall sehr stark fort. Das führt leicht zu einer beträchtlichen Reduzierung des Wohnkomforts.sound insulation belongs to a contemporary floor construction in buildings. Especially for buildings made of concrete the sound propagates very strongly. That leads easily to a considerable reduction in living comfort.

Bei Neubauten ist es einfach, die Trittschalldämmung in den Fußbodenaufbau einzuplanen. Der übliche Aufbau sieht die Verlegung der Trittschalldämmung auf der Deckenkonstruktion vor, darüber eine dünne ungeschäumte Folie, dann eine Estrichschicht und schließlich die abschließende Deckschicht, z. B. eine Schicht aus Naturstein oder Kunststein oder Holz oder Dekormaterial.at New construction is easy, the impact sound insulation in the Schedule floor construction. The usual construction sees the laying of footfall sound insulation on the ceiling construction above, a thin unfoamed Foil, then a screed layer and finally the final one Cover layer, z. B. a layer of natural stone or artificial stone or Wood or decorative material.

Beim Neubau ist das Einplanen einer Trittschalldämmung selbst dann einfach, wenn die Trittschalldämmung erhebliche Dicke aufweist. Solche Dämmung kann aus verschiedenen Materialien bestehen. Dabei haben dicke Faserplatten eine große Bedeutung. Für die Faserplatten werden zumeist Glaswollfasern oder Steinwollfasern verwendet. Die Glasfasern oder Steinwollefasern entstehen durch Verflüssigung von Glas und anderen Mineralien und deren Verdüsen hergestellt.At the New construction is the planning of a footfall sound insulation itself then easy, if the impact sound insulation considerable thickness having. Such insulation can be made of different materials consist. Thick fibreboards are very important here. For the fiber boards are mostly glass wool fibers or Rockwool fibers used. The glass fibers or rock wool fibers caused by liquefaction of glass and other minerals and their atomizing produced.

Einzelheiten von Trittschalldämmung aus Mineralfasern sind in folgenden Druckschriften beschrieben:
DE102005014577A1 , DE29800150U1 , DE29604619U1 , DE19813543C2 , DE19805365C2 , DE197576418A1 , DE19607677A1 , DE10201011A1 , DE8306651U1 , DE7218403U , DE4413953C2 , DE4409477A1 , DE4316696A1 , DE4316695A1 .Details of impact sound insulation from mineral fibers are described in the following publications:
DE102005014577A1 . DE29800150U1 . DE29604619U1 . DE19813543C2 . DE19805365C2 . DE197576418A1 . DE19607677A1 . DE10201011A1 . DE8306651U1 . DE7218403U . DE4413953C2 . DE4409477A1 . DE4316696A1 . DE4316695A1 ,

Darüber hinaus sind andere dicke Dämmplatten aus Schaumglas, aus Hartschaum und anderen Materialien bekannt. Die Hartschaumplatten bestehen zumeist aus Polystyrolschaum, entweder extrudiert oder aus kleinen Schaumpartikeln zusammengesetzt. Einzelheiten zur Trittschalldämmung aus Polystyrolschaum sind in folgenden Druckschriften beschrieben:
DE202006009457U1 , DE202004003205U1 , DE102006017093A1 , DE29518865U1 , DE20003888U1 , DE19538226C2 , DE19537977C2 , DE19537977A1 , DE19508939A1 , DE10336938A1 , DE10332141A1 , DE10151334A1 , DE8306651U1 , DE7508731U , DE4445473A1 .In addition, other thick insulation panels made of foam glass, foam and other materials are known. The rigid foam panels are usually made of polystyrene foam, either extruded or composed of small foam particles. Details of impact sound insulation made of polystyrene foam are described in the following publications:
DE202006009457U1 . DE202004003205U1 . DE102006017093A1 . DE29518865U1 . DE20003888U1 . DE19538226C2 . DE19537977C2 . DE19537977A1 . DE19508939A1 . DE10336938A1 . DE10332141A1 . DE10151334A1 . DE8306651U1 . DE7508731U . DE4445473A1 ,

Der Trittschalldämmung dienen auch so genannte Randdämmstreifen, die zwischen dem Estrich und den Gebäudewänden vorgesehen sind und verhindern sollen, daß der Trittschall vom Estrich in die Gebäudewände übertreten kann.Of the Impact sound insulation also serve so-called edge insulation strips, between the screed and the building walls are provided and should prevent the impact sound from the screed to the building walls can.

Die Trittschalldämmung größerer Dicke eignet sich jedoch nicht für die Sanierung von Altbauten. Dort kommt nur ein Fußbodenaufbau geringer Dicke in Betracht. Dabei hat sich eine Trittschalldämmung aus Polyethylenschaum durchgesetzt.The Impact sound insulation of greater thickness is suitable but not for the renovation of old buildings. There Only a floor construction of small thickness comes into consideration. This has a footfall sound insulation made of polyethylene foam enforced.

Desgleichen bestehen die Randdämmstreifen häufig aus Polyehtylenschaum.Similarly The edge insulation strips often consist of polyethylene foam.

Das mit Polyethylenschaum üblicher Beschaffenheit erreichbare Trittschallverbesserungsmaß ist zwar beachtlich, reicht jedoch nicht an das mit dicker Trittschalldämmung erreichbare Trittschallverbesserungsmaß heran.The achievable with polyethylene foam of conventional nature Impact sound improvement measure is considerable, is enough but not to the achievable with thick footfall sound insulation Impact sound improvement measure.

Der Polyethylenschaum wird üblicherweise in Extrudern erzeugt. Dabei wird Polyethylen aufgeschmolzen und mit einem Treibmittel versetzt, so daß die entstehende Schmelze beim Austreten aus dem Extruder aufschäumt. Die Trittschalldämmung aus Polyethylen ist in folgenden Druckschriften beschrieben:
DE202007007828U1 , DE202005016224U1 , DE2020050162f22U1 , DE2020050150008U1 , DE102004018550A1 , DE29901635U1 , DE29518865U1 , DE20019892U1 , DE19607677A1 , DE19538226C2 , DE19509399C2 , DE10251506A1 , DE9409039U1 , DE02055U1 , DE4219628A1 , DE4122877A1 , DE4122876A1 .The polyethylene foam is usually produced in extruders. In this case, polyethylene is melted and mixed with a blowing agent, so that the resulting melt foams on exiting the extruder. The impact sound insulation made of polyethylene is described in the following publications:
DE202007007828U1 . DE202005016224U1 . DE2020050162f22U1 . DE2020050150008U1 . DE102004018550A1 . DE29901635U1 . DE29518865U1 . DE20019892U1 . DE19607677A1 . DE19538226C2 . DE19509399C2 . DE10251506A1 . DE9409039U1 . DE02055U1 . DE4219628A1 . DE4122877A1 . DE4122876A1 ,

Die Trittschalldämmung aus Polyethylen (PE) hat sich bewährt. Allein in Deutschland werden jährlich viele Millionen Quadratmetern vertrieben. Weltweit ergibt sich ein entsprechendes Vielfaches davon. Gleichwohl hat sich die Erfindung die Aufgabe gestellt, die Trittschalldämmung geringer Dicke zu verbessern. Dabei wird als geringe Dicke eine Dicke bis 12 mm angesehen.The Impact sound insulation made of polyethylene (PE) has proven itself. In Germany alone, many millions of square meters annually distributed. Worldwide there is a corresponding multiple of it. Nevertheless, the invention has set itself the task, the impact sound insulation small thickness to improve. Here is a small thickness one Thickness considered up to 12 mm.

Das wird nach der Erfindung durch die Verwendung von thermoplastischem Elastomer (TPE) für die Herstellung der Trittschalldämmung aus Kunststoffschaum erreicht. Schon Anteile von weniger als 50 Gew% von TPE im Kunststoffschaum können die Schalldämmwirkung erheblich verbessern ist der Anteil an TPE im Kunststoffschaum. Vorzugsweise beträgt der Anteil an TPE im Kunststoffschaum mindestens 50 Gew%, noch weiter bevorzugt 70 Gew% und höchst bevorzugt 90 Gew%, bezogen auf das Gesamtgewicht des Kunststoffschaumes. Die Bezugnahme auf den Kunststoffschaum geht vom fertigen Kunststoffschaum aus. Aus dem fertigen Kunststoffschaum läßt sich die Einsatzmenge an Kunststoff im Extruder bestimmen.The is according to the invention by the use of thermoplastic Elastomer (TPE) for the production of impact sound insulation made of plastic foam. Already shares of less than 50 % By weight of TPE in the plastic foam can improve the soundproofing effect The proportion of TPE in the plastic foam is significantly improved. Preferably, the proportion of TPE in the plastic foam is at least 50% by weight, more preferably 70% by weight and most preferably 90% by weight, based on the total weight of the plastic foam. The reference on the plastic foam comes from the finished plastic foam. From the finished plastic foam can be Determine the amount of plastic used in the extruder.

Vorzugsweise findet ein physikalisches Treibmittel bei der Schaumherstellung mittels Extruder Anwendung.Preferably finds a physical blowing agent in foam production by means of extruder application.

Physikalische Treibmittel sind zum Beispiel Propan, i-Butan (aliphatischer Kohlenwasserstoff) und Kohlendioxid. Soweit Treibmittelmischungen vorgesehen sind, ist mindestens eines der Treibmittel aus der Gruppe von Propan, i-Butan und Kohlendioxid Bestandteil der Mischung. Noch weiter bevorzugt beträgt der Mischungsanteil von Gasen aus der genannten Gruppe in der Treibmittelmischung mindestens 50 Gew%, weiter bevorzugt mindestens 70 Gew% und höchst bevorzugt mindestens 90 Gew%, bezogen auf die gesamte Treibmittelmischung.physical Propellants are, for example, propane, i-butane (aliphatic hydrocarbon) and Carbon dioxide. As far as propellant mixtures are provided is at least one of the blowing agents from the group of propane, i-butane and carbon dioxide component of the mixture. Even more preferred the mixing proportion of gases from said group in the propellant mixture at least 50% by weight, more preferably at least 70% by weight and highest preferably at least 90% by weight, based on the total blowing agent mixture.

Die in den Extruder eingesetzte Treibmittelmischung wird in Abhängigkeit von dem gewünschten Raumgewicht des TPE-Schaumes in den Extruder aufgegeben. Das Raumgewicht des Kunststoffschaumes kann 10 bis 200 kg pro Kubikmeter betragen. Im Bereich des Raumgewichtes von 20 kg pro Kubikmeter handelt es sich um Leichtschaum, bei einem Raumgewicht von 100 kg pro Kubikmeter und mehr handelt es sich um Schwerschaum.The in the extruder used blowing agent mixture is dependent from the desired density of the TPE foam in the Abandoned extruder. The density of the plastic foam can 10 to 200 kg per cubic meter. In the area of density of 20 kg per cubic meter is light foam, at one Volume weight of 100 kg per cubic meter and more is Heavy foam.

Leichtschaum entsteht durch hohe Treibmittelzugabe, Schwerschaum durch geringere Treibmittelzugabe. Je nach Raumgewicht werden vorzugsweise 2 bis 16 Gew% Treibmittel – bezogen auf die Einsatzmischung im Extruder – in den Extruder aufgegeben. Bei einem gewünschten Raumgewicht von 23 kg pro Kubikmeter beträgt die Treibmittelzugabe in die Einsatzmischung im Extruder vorzugsweise 12 Gew%, plus/minus 2 Gew%, noch weiter bevorzugt plus/minus 1 Gew%, bezogen auf die Einsatzmischung Die genannten Treibmittelmengen gelten nur für den Schäumvorgang. Die geschäumten Kunststoffplatten werden üblicherweise einige Zeit gelagert. Das hat folgenden Grund: Nach dem Schäumen setzt an der Umgebungsluft ein Gasaustausch ein. Die Treibgase diffundieren aus dem entstandenen Schaum aus. Zugleich diffundiert Luft in den Schaum ein. Die eindiffundierende Luft hat ein anderes Raumgewicht als die ausdiffundierenden Treibmittel. Aufgrund dieses Austauschvorganges gilt die erfindungsgemäße Bemessung der Treibmittelzugabe nur für die Schmelzeaufbereitung im Extruder.High Expansion produced by high propellant addition, heavy foam by lower Addition of blowing agent. Depending on the density, preferably 2 to 16% by weight of blowing agent - based on the starting mixture in the Extruder - abandoned in the extruder. At a desired Density of 23 kg per cubic meter is the addition of propellant in the feed mixture in the extruder preferably 12% by weight, plus / minus 2% by weight, more preferably plus / minus 1% by weight, based on the Application mixture The stated amounts of blowing agent apply only to the foaming process. The foamed plastic plates are usually stored for some time. This has the following Reason: After foaming starts in the ambient air Gas exchange. The propellant gases diffuse from the resulting foam out. At the same time, air diffuses into the foam. The diffusing Air has a different volumetric weight than the diffusing propellant. Due to this exchange process, the invention applies Dimensioning of the blowing agent addition only for the melt preparation in the extruder.

Neben dem TPE können noch andere Kunststoffanteile in der Einsatzmischung von Vorteil sein. Das gilt zum Beispiel für Polyethylen-Standard-Homo- und -Copolymere. Von besonderem Vorteil ist die Zumischung von LDPE. LDPE ist ein PE, dessen Moleküle im Hochdruckverfahren stark verzweigt werden. Es hat sich gezeigt, daß diese Moleküle der Bildung eines geschlossenzelligen Schaumes sowie eines Schaumes mit starker Eigenstabilität sehr förderlich sind.Next The TPE can contain other plastic components in the feed mixture be beneficial. This applies, for example, to polyethylene standard homo- and copolymers. Of particular advantage is the addition of LDPE. LDPE is a PE whose molecules are high pressure process be heavily branched. It has been shown that this Molecules of formation of a closed-cell foam and a foam with strong intrinsic stability very beneficial are.

Vorzugsweise beträgt die Menge an LDPE bis 50 Gew%, bezogen auf den Kunststoffschaum. Noch weiter bevorzugt wird die LDPE-Zugabe in Abhängigkeit vom gewünschten Raumgewicht des Kunststoffschaumes gestaltet. Bei Leichtschaum erfolgt eine danach eine eine Zugabe von 5 Gew%, plus/minus 2 Gew%, noch weiter bevorzugt plus/minus 1 Gew% und höchst bevorzugt plus/minus 0,5 Gew%, bezogen auf die Einsatzmischung im Extruder.Preferably the amount of LDPE is up to 50% by weight, based on the Plastic foam. Even more preferred is the addition of LDPE in Dependence on the desired density of the plastic foam designed. For lightweight foam, one is followed by one of 5% by weight, plus / minus 2% by weight, even more preferably plus / minus 1% by weight and most preferably plus / minus 0.5% by weight on the feed mixture in the extruder.

Wahlweise wird als Rohstoffbasis ein TPE-PE-Compound eingesetzt. Das Compound entsteht durch Mischung TPE mit PE und Granulierung der Mischung. Zum Compoundieren sind spezielle Mischer verfügbar. Darüber hinaus kann das Compoundieren mit Extrudern und nachgeschalteten Granuliervorrichtungen erfolgen.Optional the raw material used is a TPE-PE compound. The compound is formed by mixing TPE with PE and granulating the mixture. Special mixers are available for compounding. About that In addition, the compounding with extruders and downstream Granulating done.

Als TPE ist das Copolymer Ethene-1-octene von Vorteil. Mit diesem TPE und den oben angegebenen Zumischungen kann ohne weiteres ein Trittschallverbesserungsmaß von 24 bis 32 dB erreicht werden. Gegenüber herkömmlicher Trittschalldämmung aus PE-Schaumbahnen ist dabei eine Steigerung der Dämmwirkung um etwa ein Drittel erreichbar.When TPE is the copolymer ethene-1-octene advantageous. With this TPE and the above admixtures can easily a footfall improvement measure of 24 to 32 dB can be achieved. Compared to conventional Impact sound insulation made of PE foam sheets is an increase the insulation effect can be achieved by about one third.

Andere Zumischungsanteile können sein:Stabilisatoren, Zellbildner, Gleitmittel und anderes. Der Schaum besteht aus Zellen. Der Zellbildner initiiert die Schaumbildung. Als Zellbildner eignet sich zum Beispiel Talcum. Die bevorzugte Zugabemenge an Talcum beträgt 0 bis 5 Gew%, bezogen auf die gesamte Einsatzmenge im Extruder.Other Blending proportions may be: stabilizers, cell formers, Lubricant and other. The foam is made up of cells. The cell former initiated the foaming. Talcum is suitable as a cell former, for example. The preferred amount of talcum added is 0 to 5% by weight, based on the total amount used in the extruder.

Wahlweise wird nach der Erfindung Trittschalldämmung in Form einer Schaumbahn mit einer Dicke bis 12 mm und einer Breite bis 2 m hergestellt. Für die Anwendung als Randdämmstreifen kann die Folie in verschiedene Streifen unterteilt werden.Optional is according to the invention footfall sound insulation in the form of a Foam sheet produced with a thickness up to 12 mm and a width up to 2 m. For The application as a border insulation strip, the film in different Stripes are divided.

ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • - DE 102005014577 A1 [0006] - DE 102005014577 A1 [0006]
  • - DE 29800150 U1 [0006] - DE 29800150 U1 [0006]
  • - DE 29604619 U1 [0006] - DE 29604619 U1 [0006]
  • - DE 19813543 C2 [0006] - DE 19813543 C2 [0006]
  • - DE 19805365 C2 [0006] - DE 19805365 C2 [0006]
  • - DE 197576418 A1 [0006] DE 197576418 A1 [0006]
  • - DE 19607677 A1 [0006, 0012] - DE 19607677 A1 [0006, 0012]
  • - DE 10201011 A1 [0006] DE 10201011 A1 [0006]
  • - DE 8306651 U1 [0006, 0007] - DE 8306651 U1 [0006, 0007]
  • - DE 7218403 [0006] - DE 7218403 [0006]
  • - DE 4413953 C2 [0006] - DE 4413953 C2 [0006]
  • - DE 4409477 A1 [0006] - DE 4409477 A1 [0006]
  • - DE 4316696 A1 [0006] - DE 4316696 A1 [0006]
  • - DE 4316695 A1 [0006] - DE 4316695 A1 [0006]
  • - DE 202006009457 U1 [0007] - DE 202006009457 U1 [0007]
  • - DE 202004003205 U1 [0007] - DE 202004003205 U1 [0007]
  • - DE 102006017093 A1 [0007] DE 102006017093 A1 [0007]
  • - DE 29518865 U1 [0007, 0012] - DE 29518865 U1 [0007, 0012]
  • - DE 20003888 U1 [0007] - DE 20003888 U1 [0007]
  • - DE 19538226 C2 [0007, 0012] DE 19538226 C2 [0007, 0012]
  • - DE 19537977 C2 [0007] - DE 19537977 C2 [0007]
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  • - DE 10332141 A1 [0007] DE 10332141 A1 [0007]
  • - DE 10151334 A1 [0007] - DE 10151334 A1 [0007]
  • - DE 7508731 [0007] - DE 7508731 [0007]
  • - DE 4445473 A1 [0007] - DE 4445473 A1 [0007]
  • - DE 202007007828 U1 [0012] - DE 202007007828 U1 [0012]
  • - DE 202005016224 U1 [0012] - DE 202005016224 U1 [0012]
  • - DE 2020050162 [0012] - DE 2020050162 [0012]
  • - DE 202005150008 U1 [0012] - DE 202005150008 U1 [0012]
  • - DE 102004018550 A1 [0012] - DE 102004018550 A1 [0012]
  • - DE 29901635 U1 [0012] - DE 29901635 U1 [0012]
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  • - DE 19509399 C2 [0012] - DE 19509399 C2 [0012]
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  • - DE 4122876 A1 [0012] DE 4122876 A1 [0012]

Claims (14)

Trittschalldämmung aus Kunststoffschaum mit geringer Dicke, mit einem Raumgewicht von 10 bis 200 kg pro Kubikmeter, gekennzeichnet durch die Verwendung von TPE für den Kunststoffschaum.Impact sound insulation made of plastic foam with a small thickness, with a density of 10 to 200 kg per Cubic meters, characterized by the use of TPE for the plastic foam. Trittschalldämmung nach Anspruch 1, dadurch gekennzeichnet, daß die TPE-Menge im Kunststoff mindestens 50 Gew%, vorzugsweise mindestens 70 Gew% und noch weiter bevorzugt mindestens 90 Gew%, bezogen auf den Kunststoffschaum beträgt.Impact sound insulation according to claim 1, characterized the amount of TPE in the plastic is at least 50% by weight, preferably at least 70% by weight, and more preferably at least 90% by weight, based on the plastic foam amounts. Trittschalldämmung nach Anspruch 1 oder 2, gekennzeichnet durch einen PE-Anteil im Kunststoff.Impact sound insulation according to claim 1 or 2, characterized by a PE content in the plastic. Trittschalldämmung nach Anspruch 3, dadurch gekennzeichnet, daß der PE-Anteil zumindest teilweise aus LDPE besteht.Impact sound insulation according to claim 3, characterized that the PE content consists at least partially of LDPE. Trittschalldämmung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß der PE-Anteil bis 50 Gew%, bezogen auf den Kunststoffschaum.Impact sound insulation according to claim 3 or 4, characterized in that the PE content is up to 50% by weight, based on the plastic foam. Trittschalldämmung nach den Ansprüchen 4 und 5, gekennzeichnet, durch einen LDPE-Anteil von 5 Gew%, plus/minus 2 Gew%, vorzugsweise plus/minus 1 Gew%, bezogen auf den Kunststoffschaum.Impact sound insulation according to the claims 4 and 5, characterized by an LDPE content of 5% by weight, plus / minus 2% by weight, preferably plus / minus 1% by weight, based on the plastic foam. Trittschalldämmung nach einem der Ansprüche 1 bis 6, gekennzeichnet durch die Verwendung physikalischer Treibmittel für den Kunststoffschaum.Impact sound insulation according to one of the claims 1 to 6, characterized by the use of physical blowing agents for the plastic foam. Trittschalldämmung nach Anspruch 7, dadurch gekennzeichnet, daß mindestens ein Bestandteil des Treibmittels aus der Treibmittelgruppe von Propan, i-Butan und Kohlendioxid stammt, wobei dieser Bestandteil des Treibmittels vorzugsweise mindestens 50 Gew%, noch weiter bevorzugt mindestens 70 Gew% und höchst bevorzugt mindestens 90 Gew%, bezogen auf die Treibmittelmenge beträgt.Impact sound insulation according to claim 7, characterized that at least one component of the propellant from the Propellant group of propane, i-butane and carbon dioxide is derived, wherein this constituent of the propellant preferably at least 50% by weight, even more preferably at least 70% by weight and most preferably at least 90% by weight, based on the amount of blowing agent. Trittschalldämmung nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die Treibmittelmenge 2 bis 16 Gew%, bezogen auf die Einsatzmischung im Extruder, beträgt.Impact sound insulation according to claim 7 or 8, characterized in that the amount of blowing agent 2 to 16% by weight, based on the feed mixture in the extruder. Trittschalldämmung nach Anspruch 9, gekennzeichnet durch die Verwendung von 12 Gew% Treibmittel, vorzugsweise plus/minus 2 Gew%, noch weiter bevorzugt plus/minus 1 Gew%, bezogen auf Einsatzmischung im ExtruderImpact sound insulation according to claim 9, characterized by the use of 12% by weight of blowing agent, preferably plus / minus 2% by weight, more preferably plus / minus 1% by weight, based on the starting mixture in the extruder Trittschalldämmung nach einem der Ansprüche 1 bis 10, gekennzeichnet durch die Verwendung von Talcum als Zellbildner.Impact sound insulation according to one of the claims 1 to 10, characterized by the use of talcum as a cell former. Trittschalldämmung nach Anspruch 11, gekennzeichnet durch Verwendung von 0 bis 5 Gew% Talacum, bezogen auf den Kunststoffschaum.Impact sound insulation according to claim 11, characterized by using from 0 to 5% by weight Talacum, based on the plastic foam. Trittschalldämmung nach einem der Ansprüche 1 bis 12, gekennzeichnet durch Verwendung eines TPE in Form eine Copolymers auf Basis von Ethene.Impact sound insulation according to one of the claims 1 to 12, characterized by using a TPE in the form of a Copolymers based on ethene. Trittschalldämmung nach Anspruch 13, gekennzeichnet durch Ethene-1-octene als Copolymer.Impact sound insulation according to claim 13, characterized by ethene-1-octene as a copolymer.
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013012853A1 (en) 2013-08-02 2015-02-05 Kingspan Unidek Gmbh Edge insulation strips

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