Acoustic laminated glazing, acoustic interlayer and method for selecting the interlayer for optimal acoustic damping
The invention concerns a laminated glazing (2) comprising a viscoelastic plastic interlayer (3) including at least two damping films (30, 31) each having a loss factor tan δ higher than 0,6 and a shear modulus G' less than 2.10 Pa over two respective temperature ranges t and t. The invention is...
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| creator | BOURE, JEAN-PHILIPPE REHFELD, MARC CHARLIER, JULIEN GAUDRY, ELOI |
| description | The invention concerns a laminated glazing (2) comprising a viscoelastic plastic interlayer (3) including at least two damping films (30, 31) each having a loss factor tan δ higher than 0,6 and a shear modulus G' less than 2.10 Pa over two respective temperature ranges t and t. The invention is characterized in that the film which has at frequency 200 Hz the highest loss factor tan δ over a given temperature range included in the temperature ranges tor t, has a shear modulus equivalent to G' less than the shear modulus (moduli) equivalent to the other film(s) with ' = G ' where G' is the shear modulus of the material constituting the film, e is the thickness of the film and is the total thickness of the interlayer. |
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The invention is characterized in that the film which has at frequency 200 Hz the highest loss factor tan δ over a given temperature range included in the temperature ranges tor t, has a shear modulus equivalent to G' less than the shear modulus (moduli) equivalent to the other film(s) with ' = G ' where G' is the shear modulus of the material constituting the film, e is the thickness of the film and is the total thickness of the interlayer.</description><language>eng</language><subject>ACOUSTICS ; ACOUSTICS NOT OTHERWISE PROVIDED FOR ; CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS ; CHEMISTRY ; GLASS ; JOINING GLASS TO GLASS OR OTHER MATERIALS ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; METALLURGY ; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL ; MINERAL OR SLAG WOOL ; MUSICAL INSTRUMENTS ; PERFORMING OPERATIONS ; PHYSICS ; SOUND-PRODUCING DEVICES ; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS ; SURFACE TREATMENT OF GLASS ; TRANSPORTING ; VEHICLES IN GENERAL ; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</subject><creationdate>2011</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20111020&DB=EPODOC&CC=AU&NR=2007253136B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20111020&DB=EPODOC&CC=AU&NR=2007253136B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BOURE, JEAN-PHILIPPE</creatorcontrib><creatorcontrib>REHFELD, MARC</creatorcontrib><creatorcontrib>CHARLIER, JULIEN</creatorcontrib><creatorcontrib>GAUDRY, ELOI</creatorcontrib><title>Acoustic laminated glazing, acoustic interlayer and method for selecting the interlayer for optimal acoustic damping</title><description>The invention concerns a laminated glazing (2) comprising a viscoelastic plastic interlayer (3) including at least two damping films (30, 31) each having a loss factor tan δ higher than 0,6 and a shear modulus G' less than 2.10 Pa over two respective temperature ranges t and t. The invention is characterized in that the film which has at frequency 200 Hz the highest loss factor tan δ over a given temperature range included in the temperature ranges tor t, has a shear modulus equivalent to G' less than the shear modulus (moduli) equivalent to the other film(s) with ' = G ' where G' is the shear modulus of the material constituting the film, e is the thickness of the film and is the total thickness of the interlayer.</description><subject>ACOUSTICS</subject><subject>ACOUSTICS NOT OTHERWISE PROVIDED FOR</subject><subject>CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS</subject><subject>CHEMISTRY</subject><subject>GLASS</subject><subject>JOINING GLASS TO GLASS OR OTHER MATERIALS</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>METALLURGY</subject><subject>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</subject><subject>MINERAL OR SLAG WOOL</subject><subject>MUSICAL INSTRUMENTS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>SOUND-PRODUCING DEVICES</subject><subject>SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS</subject><subject>SURFACE TREATMENT OF GLASS</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><subject>VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzL0KwjAUhuEsDqLewxkcFWqCOreieAE6l0Ny2gbyR3Ic9OqtoOjo9A3vwzcVXOt4K2w1OPQ2IJOB3uHDhn4F-Gk2MGWHd8qAwYAnHqKBLmYo5EjzqIEH-nWvGBNbj-77Y9Cn0c7FpENXaPHemViejpfDeU0ptlQSagrEbX2VVbWXW7VRu6aR6k_2BHWZRrw</recordid><startdate>20111020</startdate><enddate>20111020</enddate><creator>BOURE, JEAN-PHILIPPE</creator><creator>REHFELD, MARC</creator><creator>CHARLIER, JULIEN</creator><creator>GAUDRY, ELOI</creator><scope>EVB</scope></search><sort><creationdate>20111020</creationdate><title>Acoustic laminated glazing, acoustic interlayer and method for selecting the interlayer for optimal acoustic damping</title><author>BOURE, JEAN-PHILIPPE ; REHFELD, MARC ; CHARLIER, JULIEN ; GAUDRY, ELOI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_AU2007253136BB23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2011</creationdate><topic>ACOUSTICS</topic><topic>ACOUSTICS NOT OTHERWISE PROVIDED FOR</topic><topic>CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS</topic><topic>CHEMISTRY</topic><topic>GLASS</topic><topic>JOINING GLASS TO GLASS OR OTHER MATERIALS</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>METALLURGY</topic><topic>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</topic><topic>MINERAL OR SLAG WOOL</topic><topic>MUSICAL INSTRUMENTS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>SOUND-PRODUCING DEVICES</topic><topic>SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS</topic><topic>SURFACE TREATMENT OF GLASS</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><topic>VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</topic><toplevel>online_resources</toplevel><creatorcontrib>BOURE, JEAN-PHILIPPE</creatorcontrib><creatorcontrib>REHFELD, MARC</creatorcontrib><creatorcontrib>CHARLIER, JULIEN</creatorcontrib><creatorcontrib>GAUDRY, ELOI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BOURE, JEAN-PHILIPPE</au><au>REHFELD, MARC</au><au>CHARLIER, JULIEN</au><au>GAUDRY, ELOI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Acoustic laminated glazing, acoustic interlayer and method for selecting the interlayer for optimal acoustic damping</title><date>2011-10-20</date><risdate>2011</risdate><abstract>The invention concerns a laminated glazing (2) comprising a viscoelastic plastic interlayer (3) including at least two damping films (30, 31) each having a loss factor tan δ higher than 0,6 and a shear modulus G' less than 2.10 Pa over two respective temperature ranges t and t. The invention is characterized in that the film which has at frequency 200 Hz the highest loss factor tan δ over a given temperature range included in the temperature ranges tor t, has a shear modulus equivalent to G' less than the shear modulus (moduli) equivalent to the other film(s) with ' = G ' where G' is the shear modulus of the material constituting the film, e is the thickness of the film and is the total thickness of the interlayer.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MINERAL OR SLAG WOOL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS SOUND-PRODUCING DEVICES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR |
| title | Acoustic laminated glazing, acoustic interlayer and method for selecting the interlayer for optimal acoustic damping |
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