JP5986101B2 - 拘束層型減衰材料 - Google Patents
拘束層型減衰材料 Download PDFInfo
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- JP5986101B2 JP5986101B2 JP2013543790A JP2013543790A JP5986101B2 JP 5986101 B2 JP5986101 B2 JP 5986101B2 JP 2013543790 A JP2013543790 A JP 2013543790A JP 2013543790 A JP2013543790 A JP 2013543790A JP 5986101 B2 JP5986101 B2 JP 5986101B2
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- damping material
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- rosin
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- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 35
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 35
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 35
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- 229910052782 aluminium Inorganic materials 0.000 description 7
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
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- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
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- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
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- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
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- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
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- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
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Description
本発明は、拘束型減衰系中に使用するための制振材料及び自動車の用途においてノイズを減衰するための拘束層型減衰製品に関する。
制振材料は、路面ノイズ及びエンジンの振動及び音を減衰するために自動車の用途において広く使用されている。減衰材料のためには、粘弾性材料が好ましい。粘弾性材料中に散逸されるエネルギーと関連がある減衰効果は、粘弾性材料のヤング率及び損失係数の増大とともに増大する。もちろん、前記効果は該材料が受ける変形にも関連して増大する。非常に高い損失係数を有するが低いヤング率を有する材料があり、それらは金属板に限定された減衰を与え、相対的に低い損失係数であるが高いヤング率を有する他の材料(ゴムなど)があり、それらも、ダンパーとしてはあまり良くないものである。良好な減衰材料はヤング率と損失係数の間での折衷を与える。
・針入度グレードのビチューメンは、原油の分留から得られる。最も軽い留分は、蒸気、すなわちブタン及びプロパンであり、より重い留分がガソリン生産のためにカラムから取り除かれ、次いで灯油、次いで軽油が取り除かれ、最も重い留分は高分子量の炭化水素である。ロング・レジデュー(long residue)と呼ばれるこれらの重炭化水素は、さらに真空蒸留カラムにおいて蒸留されて、軽油、留出物及びショート・レジデュー(long residue)を生成する。ショート・レジデューは、20を超えるグレードのビチューメンを生成するための供給原料であり、これらは、その針入度指数、典型的には10〜330dmmのPEN値によって分類され、これは、標準試験法に基づいて針がビチューメンを貫通する、10ミリメートル毎の距離である。針入度グレードのビチューメンは、針入度及び軟化点によって特徴付けされている。
・酸化ビチューメンは、軟化点及び針入度によって特徴付けされており、例えば、85/40は、軟化点85かつ針入度40を有する酸化ビチューメンである。酸化ビチューメンは、ショート・レジデューをさらに加工することによって得られる。酸化ビチューメンは、酸化ビチューメンの分子量を増大させるために、空気でセミブローン又は完全ブローンさせる。
・硬質グレードのビチューメンは、それらの軟化点及び針入度によって特徴付けされているが、軟化点の範囲によって示されるものだけであり、例えばH80/90である。
・ビチューメン(25pen)25〜30%
・ポリマー(APP、EVAなどのような)0〜5%
・繊維3〜5%
・充填材(石灰岩、粘土、雲母などのような)60〜70%
である(MORGENら他、Shell Bitumen Industrial Handbook、Thomas Telford,1995)。
本発明の目的は、吸音性において現在市場にある材料と同程度でありかつより容易に利用できる原材料を使用している、拘束層型ダンパー中の拘束層として使用され得る減衰材料を得ることである。好ましくは、減衰材料は粘着性であり、そのため、付加的な接着剤層を必要としない。よって、本発明の課題は、拘束層型減衰材(CLD)中の拘束層として使用され得る他の減衰材料を得ることである。
160/220penグレードのビチューメン及びわずかな量のロジン若しくは松ヤニとの組み合わせにより、ビチューメンは拘束層に必要とされる軟度を維持し、この組み合わせ物が、自己接着性でありかつ車内でこれらのタイプの製品を使用するための通常の期間及び温度範囲にわたって安定であることが判明した。材料の挙動は、最適化されたブチルゴムベースの減衰材料に匹敵し、かつ同じ用途において該材料はより高価な材料と取り替えることができる。ロジンは、減衰材料の全質量の8%まで、好ましくは0〜6%である。樹脂の少なくとも2〜8質量%が、粘着性の減衰材料を得るために使用される。
接着特性は、100mm/分での引き剥がし粘着力(90゜)のためのFINAT試験法FMT2を用いて測定した。この試験では、異なるラミネートの粘着反応を対照としている。90゜での引き剥がし粘着力の測定値は、通常、180゜での引き剥がし粘着力よりも小さい値であり、かつ一般に紙の引裂を与える材料に測定される値を示し得る。引き剥がし粘着力は、基準となる試験板に適用されている感圧被覆材料を、特定の角度及び速さで、該板から除去するのに必要とされる力である。接着力は、最大の粘着力が考慮される適用してから24時間後に測定した。使用した試験片は、25mm幅でかつ機械方向で190mmの長さを有していた。機械は、1分あたり100mmのジョー分離速度でセットした。所定の引き剥がし粘着力(90゜)は、試験された片についての25mm幅あたりのニュートンにおける平均結果である。該試験は、様々な試験温度で繰り返した。
対照1として、Olin社から販売されている技術水準のブチル系減衰材料T255AL15が使用されている。これは、剥離紙と共に販売されているアルミニウム−ブチル系減衰材料である。製品情報によると、この材料は、−30〜80℃の温度範囲にわたって減衰性能を有する粘弾性のあるブチルではあるが、5〜40℃で基本構造部位に適用されるべきである。該材料は、2.9kg/m2の全面積重量、1.7mmの全厚及び1.4〜1.7の密度を有している。アルミニウムは、150μmの厚さを有している。
本発明による実施例のダンパー材料を、以下の材料で作製した:
・ビチューメン:160/220penグレード 約30〜35質量%
・バインダー:約2質量%のセルロース繊維及び約2.4〜2.6質量%の合成ラテックスを共に有するCaCO3 55〜60質量%
・ロジンを述べられているように使用;何も述べられていない場合、全質量の約4%が使用された。
Claims (10)
- 1つのビチューメン材料、バインダー材料及びロジン誘導体の粘着付与剤からなる拘束層型減衰材料であって、前記ビチューメン材料は、35〜43℃の環球式軟化点を有する160/220−penグレードのビチューメンであることを特徴とする、前記減衰材料。
- 前記バインダー材料が、チョーク、粉末状の石灰岩、雲母、合成ラテックス又は繊維、例えばセルロース繊維の少なくとも1つである、請求項1に記載の減衰材料。
- 前記ロジン誘導体が、加工温度で粘稠液である、請求項1に記載の減衰材料。
- 前記ロジン誘導体が、ロジンのメチルエステル若しくは水素化されたロジンのメチルエステル、又はロジンのトリエチレングリコールエステル若しくは水素化されたロジンのトリエチレンエステルの少なくとも1つである、請求項3に記載の減衰材料。
- 前記ロジン誘導体が、減衰材料の全質量の8質量%までである、請求項1に記載の減衰材料。
- 前記ビチューメンが、減衰材料の全質量の20〜40質量%である、請求項1に記載の減衰材料。
- 前記バインダーが、減衰材料の全質量の45〜70質量%である、請求項1に記載の減衰材料。
- 前記バインダーが、さらに、減衰材料の全質量の1.5〜6質量%で、繊維、ポリマー、ラテックス又は合成ゴムの少なくとも1つから構成されている、請求項2に記載の減衰材料。
- 少なくとも1つの拘束する層及び拘束される層を有する拘束層型減衰系において使用するための拘束層型減衰製品であって、前記拘束される層のための減衰材料が、請求項1〜8のいずれか1項に記載の減衰材料であることを特徴とする、前記拘束層型減衰製品。
- 少なくとも1つのさらなる接着剤層を有する、請求項9に記載の拘束層型減衰製品。
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EP10195287A EP2474971A1 (en) | 2010-12-16 | 2010-12-16 | Constrained-layer damping material |
EP10195287.7 | 2010-12-16 | ||
PCT/EP2011/072947 WO2012080416A2 (en) | 2010-12-16 | 2011-12-15 | Constrained-layer damping material |
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JP2014502733A JP2014502733A (ja) | 2014-02-03 |
JP5986101B2 true JP5986101B2 (ja) | 2016-09-06 |
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US (1) | US9243402B2 (ja) |
EP (2) | EP2474971A1 (ja) |
JP (1) | JP5986101B2 (ja) |
BR (1) | BR112013014446B1 (ja) |
CA (1) | CA2819981A1 (ja) |
MY (1) | MY167134A (ja) |
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DE102013216778A1 (de) * | 2013-08-23 | 2015-02-26 | Tesa Se | Stanzling insbesondere zum dauerhaften Verschließen von Löchern |
CN103436040B (zh) * | 2013-08-27 | 2015-07-22 | 上海依科绿色工程有限公司 | 含漆渣的废石灰石粉的资源化利用及其处理工艺 |
EP3247556B1 (en) * | 2015-01-20 | 2023-08-02 | Zephyros Inc. | Sound absorption materials based on nonwovens |
CN105330201B (zh) * | 2015-08-07 | 2019-11-05 | 中国人民解放军61489部队 | 一种以空壳泡沫陶瓷球为骨料的分散层复合阻尼材料 |
RU185081U1 (ru) * | 2017-07-12 | 2018-11-21 | Общество с ограниченной ответственностью "ШиКор" | Звукоизоляционный материал |
EP3760397A4 (en) * | 2018-02-28 | 2021-08-11 | Sony Group Corporation | SOUNDPROOFING DEVICE, ROBOT DEVICE, ROBOT DEVICE CONTROL PROCESS AND PROGRAM |
US12071570B2 (en) | 2018-11-27 | 2024-08-27 | Avery Dennison Corporation | Multilayer tape constructions for low-temperature vibration damping with tunable adhesion |
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CH418664A (de) | 1963-06-06 | 1966-08-15 | Matec Holding Ag | Entdröhnungs- und Abdichtungsmittel |
DE2513705A1 (de) * | 1975-03-27 | 1976-10-07 | Dynamit Nobel Ag | Motorhaubenauskleidung fuer kraftfahrzeuge |
SU794658A1 (ru) * | 1977-12-30 | 1981-01-07 | Научно-Исследовательский Институтавтотракторных Материалов | Многослойный шумоизолирующийМАТЕРиАл |
JPS604556A (ja) * | 1983-06-21 | 1985-01-11 | Nissan Motor Co Ltd | 振動吸収用組成物 |
FR2582010B1 (fr) * | 1985-05-15 | 1987-09-18 | British Petroleum Co | Composition a base de bitume et d'elastomeres et leur application a l'amortissement des vibrations |
US4734323A (en) * | 1986-04-22 | 1988-03-29 | Toyoda Gosei Co., Ltd. | Vibration damping soundproof sheets for use in vehicles |
WO1988000221A1 (en) * | 1986-06-27 | 1988-01-14 | Sound Deadeners Pty. Ltd. | Sound deadening material |
DE3624427A1 (de) * | 1986-07-18 | 1988-01-21 | Stankiewicz Alois Dr Gmbh | Adhaesives zerstoerungsfrei entfernbares isolationssystem |
CA2061474C (en) * | 1991-02-22 | 2002-03-26 | Kenneth Benjamin Higgins | Bitumen backed carpet tile |
RU2110852C1 (ru) * | 1996-02-02 | 1998-05-10 | Иван Прокопьевич Прокопьев | Многослойный шумозащитный материал с магнитными свойствами |
ZA977299B (en) * | 1996-08-16 | 1998-03-23 | Shell Int Research | Bituminous composition. |
WO1998018656A1 (de) * | 1996-10-29 | 1998-05-07 | Rieter Automotive (International) Ag | Ultraleichter multifunktionaler, schallisolierender bausatz |
US6110985A (en) * | 1998-10-30 | 2000-08-29 | Soundwich, Inc. | Constrained layer damping compositions |
AR026552A1 (es) * | 1999-12-03 | 2003-02-19 | Rieter Automotive Int Ag | Revestimiento para el techo de un vehiculo automotor, y proceso para la manufactura del mismo |
MY140920A (en) * | 2001-04-02 | 2010-02-12 | Darren Aster Gunasekara | An acoustic tile |
US6828020B2 (en) | 2002-08-14 | 2004-12-07 | Adco Products, Inc. | Self-adhesive vibration damping tape and composition |
US20090277716A1 (en) * | 2004-08-19 | 2009-11-12 | Rajan Eadara | Constrained layer, composite, acoustic damping material |
WO2007134391A1 (en) * | 2006-05-23 | 2007-11-29 | Bellmax Acoustic Pty Ltd | An acoustic shield |
EP1955899A1 (en) | 2007-02-12 | 2008-08-13 | Rieter Technologies AG | Constrained layer damping for vehicle |
JP2008208213A (ja) * | 2007-02-26 | 2008-09-11 | Asahi Kasei Chemicals Corp | 制振材用水添共重合体及びアスファルト制振材組成物 |
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2010
- 2010-12-16 EP EP10195287A patent/EP2474971A1/en not_active Withdrawn
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- 2011-12-15 WO PCT/EP2011/072947 patent/WO2012080416A2/en active Application Filing
- 2011-12-15 MY MYPI2013002216A patent/MY167134A/en unknown
- 2011-12-15 RU RU2013132705/05A patent/RU2584530C2/ru not_active IP Right Cessation
- 2011-12-15 US US13/995,095 patent/US9243402B2/en not_active Expired - Fee Related
- 2011-12-15 JP JP2013543790A patent/JP5986101B2/ja active Active
- 2011-12-15 CA CA 2819981 patent/CA2819981A1/en not_active Abandoned
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CA2819981A1 (en) | 2012-06-21 |
WO2012080416A2 (en) | 2012-06-21 |
EP2652734A2 (en) | 2013-10-23 |
MY167134A (en) | 2018-08-13 |
RU2584530C2 (ru) | 2016-05-20 |
RU2013132705A (ru) | 2015-01-27 |
EP2474971A1 (en) | 2012-07-11 |
CN103262152A (zh) | 2013-08-21 |
WO2012080416A3 (en) | 2013-02-28 |
US9243402B2 (en) | 2016-01-26 |
BR112013014446A2 (pt) | 2016-09-13 |
US20130319791A1 (en) | 2013-12-05 |
JP2014502733A (ja) | 2014-02-03 |
BR112013014446B1 (pt) | 2021-01-12 |
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