DE3448259C2 - Fahrzeuginnenteil aus Kunststoff - Google Patents
Fahrzeuginnenteil aus KunststoffInfo
- Publication number
- DE3448259C2 DE3448259C2 DE3448259A DE3448259A DE3448259C2 DE 3448259 C2 DE3448259 C2 DE 3448259C2 DE 3448259 A DE3448259 A DE 3448259A DE 3448259 A DE3448259 A DE 3448259A DE 3448259 C2 DE3448259 C2 DE 3448259C2
- Authority
- DE
- Germany
- Prior art keywords
- plastic
- part according
- polystyrene
- amorphous
- vehicle
- 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.)
- Expired - Lifetime
Links
- 229920003023 plastic Polymers 0.000 claims abstract description 41
- 239000004033 plastic Substances 0.000 claims abstract description 41
- 239000000203 mixture Substances 0.000 claims description 30
- 229920001971 elastomer Polymers 0.000 claims description 13
- -1 polypropylene Polymers 0.000 claims description 13
- 239000000806 elastomer Substances 0.000 claims description 12
- 239000000654 additive Substances 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 10
- 239000003921 oil Substances 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 9
- 229920002943 EPDM rubber Polymers 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 239000004793 Polystyrene Substances 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 229920002223 polystyrene Polymers 0.000 claims description 8
- 239000004952 Polyamide Substances 0.000 claims description 7
- 239000000314 lubricant Substances 0.000 claims description 7
- 229920002647 polyamide Polymers 0.000 claims description 7
- 239000004615 ingredient Substances 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims description 6
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 5
- 229920003051 synthetic elastomer Polymers 0.000 claims description 5
- 239000005061 synthetic rubber Substances 0.000 claims description 5
- 229920002614 Polyether block amide Polymers 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 3
- 239000010428 baryte Substances 0.000 claims description 3
- 229910052601 baryte Inorganic materials 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
- 239000000454 talc Substances 0.000 claims description 3
- 229910052623 talc Inorganic materials 0.000 claims description 3
- 229920006345 thermoplastic polyamide Polymers 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000011872 intimate mixture Substances 0.000 claims description 2
- 239000011342 resin composition Substances 0.000 claims description 2
- 239000010454 slate Substances 0.000 claims description 2
- 229920005669 high impact polystyrene Polymers 0.000 claims 1
- 239000004797 high-impact polystyrene Substances 0.000 claims 1
- 238000009745 resin transfer moulding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 23
- 150000003077 polyols Chemical class 0.000 description 10
- 229920005862 polyol Polymers 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 238000013016 damping Methods 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 239000004071 soot Substances 0.000 description 4
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 4
- 239000013065 commercial product Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920005903 polyol mixture Polymers 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000012024 dehydrating agents Substances 0.000 description 2
- 239000012973 diazabicyclooctane Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012764 mineral filler Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920001897 terpolymer Polymers 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- XYXJKPCGSGVSBO-UHFFFAOYSA-N 1,3,5-tris[(4-tert-butyl-3-hydroxy-2,6-dimethylphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C)=C1CN1C(=O)N(CC=2C(=C(O)C(=CC=2C)C(C)(C)C)C)C(=O)N(CC=2C(=C(O)C(=CC=2C)C(C)(C)C)C)C1=O XYXJKPCGSGVSBO-UHFFFAOYSA-N 0.000 description 1
- JOWXNCPELQZFHF-UHFFFAOYSA-N 2-[3,3-bis(3-tert-butyl-4-hydroxyphenyl)butanoyloxy]ethyl 3,3-bis(3-tert-butyl-4-hydroxyphenyl)butanoate Chemical compound C1=C(O)C(C(C)(C)C)=CC(C(C)(CC(=O)OCCOC(=O)CC(C)(C=2C=C(C(O)=CC=2)C(C)(C)C)C=2C=C(C(O)=CC=2)C(C)(C)C)C=2C=C(C(O)=CC=2)C(C)(C)C)=C1 JOWXNCPELQZFHF-UHFFFAOYSA-N 0.000 description 1
- 229920008697 Arnitel® EL740 Polymers 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- IPRJXAGUEGOFGG-UHFFFAOYSA-N N-butylbenzenesulfonamide Chemical compound CCCCNS(=O)(=O)C1=CC=CC=C1 IPRJXAGUEGOFGG-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical class OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0861—Insulating elements, e.g. for sound insulation for covering undersurfaces of vehicles, e.g. wheel houses
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Description
Thermoplastisches Polyurethan-Elastomeres (Desmopan 385)|61,7% | |
Diethylenglykol | 1% |
amorphe Kreide | 35% |
Ruß | 1,5% |
Gleitmittel | 0,8% |
Polyether-Block-Polyamid (Pebax 5512 MN)|67% | |
Benzolsulfonsäure-n-butylamid (Betamoll BMB) | 1% |
amorphe Kreide | 30% |
Ruß | 1,5% |
Gleitmittel | 0,5% |
Polyether-ester (Arnitel EL 740)|62,0% | |
amorphe Kreide | 36% |
Ruß | 2,0% |
50 Teile eines Polyols mit der OH-Zahl 40 (Desmophen 3300)
50 Teile kurzkettiger Polyole mit der OH-Zahl 375 (Baytherm 4012R)
5 Teile Wasser entziehendes Mittel (Baylith-Paste T)
40 Teile Kreide (amorph)
2 Teile DBZL.
51 Teile MDI (Desmodur 44V20)
88 Teile Polyol mit einer OH-Zahl von 40 (Desmophen 3300)
12 Teile Butandiol-1,4
30 Teile Schwerspat
10 Teile Kreide
10 Teile Talkum
1 Teil DBZL
1,5 Teile DABCO.
37 Teile MDI/TDI (1 : 1) (Desmodur 44V20/T80).
Claims (10)
25 bis 40 Gew.-% eines Synthesekautschuks, und
25 bis 40 Gew.-% eines amorphen Füllstoffs sowie gegebenenfalls zusätzlich, bezogen auf 100 Gew.-% der obigen Bestandteile, 6,8 bis 10,0 Gew.-% üblichen Zusätzen ist, und daß die Mischung so eingestellt ist, daß der verwendete Kunst stoff zähelastisch ist mit einem dynamischen Elastizitätsmodul von 10⁷ bis 10¹⁰ Nm-2 und einem Verlustfaktor von mindestens 0,05.
25 bis 40 Gew.-% ungesättigten Ethylen-Propylen-Dien-Kautschuk (EPDM), und
25 bis 40 Gew.-% amorphes Siliciumdioxid oder amorphe Kreide enthält.
25 bis 40 Gew.-% Styrol-Butadien-Kautschuk (SBR), und
25 bis 40 Gew.-% amorphes Siliciumdioxid oder amorphe Kreide enthält.
0,00 bis 1,0 Gew.-% Färbemittel, vorzugsweise Ruß, bis zu 7,00 Gew.-% Verarbeitungsöl, vorzugsweise ein naphthenisches Verarbeitungsöl,
0,8 bis 1,2 Gew.-% üblicher Stabilisator gegen thermische Oxidation, und
1,0 bis 1,6 Gew.-% Gleitmittel, vorzugsweise ein Polyethylen wachs.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3448259A DE3448259C2 (de) | 1984-03-14 | 1984-03-14 | Fahrzeuginnenteil aus Kunststoff |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3448259A DE3448259C2 (de) | 1984-03-14 | 1984-03-14 | Fahrzeuginnenteil aus Kunststoff |
DE19843409404 DE3409404A1 (de) | 1983-11-30 | 1984-03-14 | Radlaufteil |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3448259C2 true DE3448259C2 (de) | 1996-10-10 |
Family
ID=6230508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3448259A Expired - Lifetime DE3448259C2 (de) | 1984-03-14 | 1984-03-14 | Fahrzeuginnenteil aus Kunststoff |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3448259C2 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004008165U1 (de) * | 2004-05-19 | 2005-09-29 | Carcoustics Tech Center Gmbh | Schallisolierendes Bauteil aus hochgefülltem thermoplastischen Elastomer auf Basis von Styrol |
DE102007005137A1 (de) | 2007-02-01 | 2008-08-07 | Webasto Ag | Deckel für ein öffnungsfähiges Fahrzeugdach und Verfahren zur Herstellung eines solchen |
DE102010035431A1 (de) | 2010-08-26 | 2012-03-01 | Entwicklungsgesellschaft für Akustik (EfA) mit beschränkter Haftung | Breitbandiger Schallabsorber |
DE102011078935A1 (de) | 2011-07-11 | 2013-01-17 | Bayerische Motoren Werke Aktiengesellschaft | Hochabsorptives Schallisolationsbauteil, insbesondere für den Kraftfahrzeuginnenraum |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3116938A1 (de) * | 1981-04-29 | 1982-11-18 | Chemiegesellschaft Gundernhausen mbH, 6101 Roßdorf | "formkoerper zur schalldaemmung und -daempfung" |
DE3225786A1 (de) * | 1982-07-09 | 1984-01-12 | Stankiewicz Schallschluck | Matte mit luftschalldaemmenden und koerperschalldaempfenden eigenschaften |
DE3343402A1 (de) * | 1983-11-30 | 1985-06-05 | Dr. Alois Stankiewicz GmbH, 3101 Adelheidsdorf | Radlaufteil |
-
1984
- 1984-03-14 DE DE3448259A patent/DE3448259C2/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3116938A1 (de) * | 1981-04-29 | 1982-11-18 | Chemiegesellschaft Gundernhausen mbH, 6101 Roßdorf | "formkoerper zur schalldaemmung und -daempfung" |
DE3225786A1 (de) * | 1982-07-09 | 1984-01-12 | Stankiewicz Schallschluck | Matte mit luftschalldaemmenden und koerperschalldaempfenden eigenschaften |
DE3343402A1 (de) * | 1983-11-30 | 1985-06-05 | Dr. Alois Stankiewicz GmbH, 3101 Adelheidsdorf | Radlaufteil |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004008165U1 (de) * | 2004-05-19 | 2005-09-29 | Carcoustics Tech Center Gmbh | Schallisolierendes Bauteil aus hochgefülltem thermoplastischen Elastomer auf Basis von Styrol |
DE102007005137A1 (de) | 2007-02-01 | 2008-08-07 | Webasto Ag | Deckel für ein öffnungsfähiges Fahrzeugdach und Verfahren zur Herstellung eines solchen |
WO2012025253A1 (de) | 2010-08-25 | 2012-03-01 | Entwicklungsgesellschaft für Akustik (EfA) mit beschränkter Haftung | Breitbandiger schallabsorber |
US8950548B2 (en) | 2010-08-25 | 2015-02-10 | Hp Pelzer Holding Gmbh | Broadband sound absorber |
DE102010035431A1 (de) | 2010-08-26 | 2012-03-01 | Entwicklungsgesellschaft für Akustik (EfA) mit beschränkter Haftung | Breitbandiger Schallabsorber |
DE102011078935A1 (de) | 2011-07-11 | 2013-01-17 | Bayerische Motoren Werke Aktiengesellschaft | Hochabsorptives Schallisolationsbauteil, insbesondere für den Kraftfahrzeuginnenraum |
WO2013007489A2 (de) | 2011-07-11 | 2013-01-17 | Hp Pelzer Holding Gmbh | Hochabsorptives schallisolationsbauteil, insbesondere für den kraftfahrzeuginnenraum |
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