JPH03175022A - Magnetic complex type damping material - Google Patents
Magnetic complex type damping materialInfo
- Publication number
- JPH03175022A JPH03175022A JP2309449A JP30944990A JPH03175022A JP H03175022 A JPH03175022 A JP H03175022A JP 2309449 A JP2309449 A JP 2309449A JP 30944990 A JP30944990 A JP 30944990A JP H03175022 A JPH03175022 A JP H03175022A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- vibration damping
- material layer
- damping material
- rubber
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 73
- 238000013016 damping Methods 0.000 title claims abstract description 59
- 239000000696 magnetic material Substances 0.000 claims abstract description 26
- 229920001971 elastomer Polymers 0.000 claims abstract description 19
- 239000005060 rubber Substances 0.000 claims abstract description 18
- 229920003023 plastic Polymers 0.000 claims abstract description 9
- 239000004033 plastic Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 239000000123 paper Substances 0.000 claims abstract description 4
- 239000006247 magnetic powder Substances 0.000 claims abstract description 3
- 239000002131 composite material Substances 0.000 claims description 15
- 230000000452 restraining effect Effects 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 7
- 229920003051 synthetic elastomer Polymers 0.000 claims description 4
- 239000005061 synthetic rubber Substances 0.000 claims description 4
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 abstract description 6
- 238000004898 kneading Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 229910000859 α-Fe Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 238000012805 post-processing Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920005601 base polymer Polymers 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- BUZICZZQJDLXJN-UHFFFAOYSA-N 3-azaniumyl-4-hydroxybutanoate Chemical compound OCC(N)CC(O)=O BUZICZZQJDLXJN-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001047 Hard ferrite Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920006222 acrylic ester polymer Polymers 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 229920001893 acrylonitrile styrene Polymers 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229920005557 bromobutyl Polymers 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000636 poly(norbornene) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920006027 ternary co-polymer Polymers 0.000 description 1
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は振動発生源への取付は作業性、装着性や振動減
衰性等に優れた制振材、より詳しくは磁性材層と拘束材
層を積層した制振材であって、振動発生源に直接磁性材
層の磁力により取付けを可能とした、磁性複合型制振材
に関するもので、（ア）自動車、鉄道や航空機等の乗物
、（イ）事務機器、（つ）電気製品或は（１）建材等の
振動部材に対し、０〜１００℃の温度範囲、特に常温付
近で優れた割振性、ひいては騒音低減性を有する磁性複
合型制振材を提供するものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention is a vibration damping material that has excellent workability, wearability, and vibration damping properties when attached to a vibration source, and more specifically, a magnetic material layer and a restraining material. This is a vibration damping material made of laminated layers, and is related to a magnetic composite vibration damping material that can be attached directly to a vibration source using the magnetic force of the magnetic material layer. (a) A magnetic composite type that has excellent vibration distribution properties and noise reduction properties in the temperature range of 0 to 100℃, especially around room temperature, for vibrating members such as (a) office equipment, (a) electrical appliances, or (a) building materials. It provides vibration damping material.
（従来の技術）
近年、自動車、鉄道や航空機等の乗物、建物の床、屋根
、階段、壁や柱等、事務機器、電気製品等の振動やこれ
による騒音等の対策が緊急課題としてクローズアップさ
れている。そしてその対策として現在までに多くの制振
材料が提案され、また上布されている。また、その施工
手段も数多く提案されている。(Conventional technology) In recent years, countermeasures against vibrations and noise caused by vehicles such as automobiles, trains, and airplanes, floors, roofs, stairs, walls and pillars of buildings, office equipment, electrical appliances, etc., have become an urgent issue. has been done. To date, many vibration damping materials have been proposed and put into use as countermeasures. In addition, many construction methods have been proposed.
それらを大別すると２つの方法がある。即ちその一つの
方法は、振動発生体自体を粘弾性組成物を２枚の鋼板の
間に挟み込んだ割振鋼板で作製して、発生振動自体を抑
制する方法であり、もう１つの方法は制振材料を振動騒
音発生源に後加工で取付けて発生する振動を減衰させる
方法である。Broadly speaking, there are two methods. In other words, one method is to suppress the generated vibration itself by making the vibration generator itself from a split steel plate with a viscoelastic composition sandwiched between two steel plates, and the other method is to suppress the generated vibration itself. This is a method of attenuating the vibrations generated by attaching a material to the source of vibration and noise in a post-processing process.
本発明は後者の後加工で騒音発生源に制振材を取付ける
方法に属するものである。The present invention pertains to the latter method of attaching a damping material to a noise source in post-processing.
（発明が解決しようとする問題点）
従来の後加工による制振方法は、アスファルト或いは塩
化ビニル樹脂等とマイカ等の充填材の配合組成物をシー
ト状に成形した制振材を振動騒音発生源に粘着剤や接着
剤等で接合する、またはボルト等で機械的に接合する等
の方法がとられている。(Problems to be Solved by the Invention) In the conventional vibration damping method using post-processing, a vibration damping material formed into a sheet of a blended composition of asphalt or vinyl chloride resin, and a filler such as mica is used as a source of vibration noise. Methods such as joining with an adhesive or adhesive, or mechanically joining with bolts, etc. are used.
この従来技術の問題点としては次のような欠点があった
。This conventional technology has the following drawbacks.
（１）制振材の制振性能は制振材重量と密接な関係にあ
り、この方法で高性能を発現させるには制振材重量を増
やす必要があり、そのため構造体全体の重量が増加して
しまう。(1) The damping performance of the damping material is closely related to the weight of the damping material, and in order to achieve high performance with this method, it is necessary to increase the weight of the damping material, which increases the weight of the entire structure. Resulting in.
（２）後加工で取付ける方法は、粘着剤や接着剤を用い
るため取付けの位置合せが難しいばかりでなく周囲を汚
染しやすい。(2) The post-processing method uses an adhesive or adhesive, which not only makes it difficult to align the mounting position, but also tends to contaminate the surrounding area.
（３）接合させる振動発生源に油や埃等が付着している
場合は取付けが極めて困難になる。(3) If oil, dust, etc. are attached to the vibration source to be joined, installation will be extremely difficult.
（問題を解決するための手段）
本発明の目的はこの従来の制振材の欠点を改良し、軽量
で且つ取付は作業が簡便な振動減衰能力に優れた制振材
を提供することにある。(Means for Solving the Problem) The purpose of the present invention is to improve the drawbacks of the conventional vibration damping material, and to provide a vibration damping material that is lightweight, easy to install, and has excellent vibration damping ability. .
本発明者らは鋭意研究検討を進めた結果、磁性を有する
材料層と拘束材層との積層した複合型制振材が、この解
決に極めて有効であることを見出し、本発明に到達した
ものである。As a result of intensive research and consideration, the present inventors discovered that a composite damping material consisting of a layered magnetic material layer and a restraining material layer is extremely effective in solving this problem, and as a result, the present invention was achieved. It is.
即ち、本発明は磁性材層（Ａ）と拘束材層（Ｂ）を積層
した構造の磁性複合型制振材を提供するものであり、第
１図にその断面図を示す。図中■は磁性材層（Ａ）であ
り、■は拘束材層（Ｂ）である。That is, the present invention provides a magnetic composite vibration damping material having a structure in which a magnetic material layer (A) and a restraining material layer (B) are laminated, and a cross-sectional view thereof is shown in FIG. In the figure, ■ is a magnetic material layer (A), and ■ is a restraining material layer (B).
以下、その詳細について説明する。The details will be explained below.
磁性材層（Ａ）には、一般的にはゴム磁石、プラスチッ
ク磁石または粘性磁石等が使用される。Generally, a rubber magnet, a plastic magnet, a viscous magnet, or the like is used for the magnetic material layer (A).
これらはゴムやプラスチック等の柔軟性を有する材料を
ベースにして、それらの中に磁性粉体を混練り、シート
状に成形後、着磁することにより形成される。These are formed by kneading magnetic powder into a flexible material such as rubber or plastic, molding it into a sheet, and then magnetizing it.
この材料に・）特性としては、動的弾性率（Ｅ′）が、
−１０〜４０℃の温度範囲で５×１０８〜５ｘ １０”
ｄｙｎｅ／ｃｍ” 、且つ損失正接（Ｔａｎδ）が０．
２以上の範囲が好ましい。The dynamic elastic modulus (E') of this material is as follows.
5x108 to 5x 10” in the temperature range of -10 to 40℃
dyne/cm" and loss tangent (Tan δ) is 0.
A range of 2 or more is preferred.
このベースポリマーとなるゴム成分としては。As a rubber component that becomes this base polymer.
天然ゴム、および合成ゴムが用いられる。この合成ゴム
の例としては、ポリブタジェンゴム、ポリクロロプレン
ゴム、スチレン−ブタジェン共重合ゴム、ブタジェン−
アクリロニトリル共重合ゴム、ポリイソプレンゴム、イ
ンブチレン−イソプレン共重合ゴム、ハロゲン化−イソ
ブチレン−イソブレン共重合ゴム、アクリルゴム、シリ
コンゴム、エチレン−プロピレン−ジオレフィン三元共
重合ゴムやポリノルボルネンゴム等があげられる。Natural rubber and synthetic rubber are used. Examples of this synthetic rubber include polybutadiene rubber, polychloroprene rubber, styrene-butadiene copolymer rubber, and butadiene-butadiene rubber.
Acrylonitrile copolymer rubber, polyisoprene rubber, inbutylene-isoprene copolymer rubber, halogenated-isobutylene-isoprene copolymer rubber, acrylic rubber, silicone rubber, ethylene-propylene-diolefin ternary copolymer rubber, polynorbornene rubber, etc. can give.
また、プラスチック材の例としては、ウレタン樹脂、ポ
リアミド樹脂、ポリエステル樹脂１、ブタジェン−アク
リロニトリル−スチレン共重合樹脂、塩化ビニル樹脂、
ポリスチレン樹脂、ポリエチレン樹脂、ポリプロピレン
樹脂やエチレン−酢酸ビニル共重合樹脂等の熱可塑性樹
脂があげられる。Examples of plastic materials include urethane resin, polyamide resin, polyester resin 1, butadiene-acrylonitrile-styrene copolymer resin, vinyl chloride resin,
Examples include thermoplastic resins such as polystyrene resin, polyethylene resin, polypropylene resin, and ethylene-vinyl acetate copolymer resin.
また、ゴムに軟化剤や粘着付与材等を混合したゴム系粘
着材や、アクリルエステルの重合体であるアクリル系粘
着材等もベース材料として有効である。Also effective as the base material are rubber-based adhesives made of rubber mixed with softeners, tackifiers, etc., and acrylic-based adhesives made of acrylic ester polymers.
なお、上記の各材料は未架橋のものであってもよく、ま
た架橋剤により架橋してもよい。In addition, each of the above-mentioned materials may be uncrosslinked, or may be crosslinked with a crosslinking agent.
次にベースポリマーに混合される磁性材としては、磁性
酸化物であるフェライトが使用される。Next, as the magnetic material mixed into the base polymer, ferrite, which is a magnetic oxide, is used.
その具体例としてはＦｅｚ Ｏ３を主成分として、Ｍｎ
、Ｂａ、Ｚｎ、Ｓｒ％ｃｏやＮｉ等の元素を含む化合物
のフェライトがあげられる。中でもＢａ−フェライト、
ＣＯ−フェライトやＳｒ−フェライト等のハードフェラ
イトと呼ばれている磁性材がより好ましい。As a specific example, Fez O3 is the main component, Mn
Examples include ferrite, which is a compound containing elements such as , Ba, Zn, Sr%co, and Ni. Among them, Ba-ferrite,
More preferred are magnetic materials called hard ferrites such as CO-ferrite and Sr-ferrite.
以上の磁性材の中でも、天然ゴムおよび合成ゴムに、可
塑剤、軟化剤或いは粘着付与材を混合したゴム組成物と
フェライトを混合した磁性材が、振動発生体への取付は
性および密着性ともに優れており、より好適に用いるこ
とができる。Among the above magnetic materials, magnetic materials made by mixing ferrite with rubber compositions made by mixing natural rubber and synthetic rubber with plasticizers, softeners, or tackifiers are effective in attaching to vibration generators in terms of both stability and adhesion. It is excellent and can be used more suitably.
以上の組成で構成された磁性材料をシート状に成形後、
着磁装置により磁束密度１０〜１０００ガウス、より好
ましくは５０〜４００ガウスの範囲のｍ力特性を有する
ように着磁した磁性材が好適で、またその厚みは０．１
〜１．ｏｍｍの範囲が好ましい。After forming the magnetic material composed of the above composition into a sheet shape,
A magnetic material that is magnetized by a magnetizing device so as to have a magnetic flux density of 10 to 1000 Gauss, more preferably a force characteristic in the range of 50 to 400 Gauss, and has a thickness of 0.1
~1. A range of omm is preferred.
この磁性材は特定の粘弾性特性を有しているため、単体
を振動発生体に取付けても制振性は発現することは出来
る。しかし、このような非拘束型の制振材は重量が大き
くなり、軽量化指向にある現今にあっては大きな問題点
であり、その課題を解決するには拘束材と組合わせるこ
とによって軽量且つ性能の優れた制振材が得られること
になったものである。Since this magnetic material has specific viscoelastic properties, it can exhibit vibration damping properties even when attached alone to a vibration generator. However, such non-restraining damping materials are heavy, which is a big problem in today's world of weight reduction.To solve this problem, it is necessary to combine them with restraint materials to reduce weight and reduce weight. This made it possible to obtain a vibration damping material with excellent performance.
次に拘束材層（Ｂ）としては、−３０〜１００℃の温度
範囲で動的弾性率（Ｅ′）が５×１０〜５Ｘ １０１２
ｄｙｎｅ／ｃｍ”の範囲の金属、プラスチックまたは紙
等が好ましい。Next, the restraining material layer (B) has a dynamic elastic modulus (E') of 5 x 10 to 5 x 1012 in the temperature range of -30 to 100°C.
metal, plastic, paper, etc. in the range of dyne/cm" are preferred.
その具体例としては、金属の場合には鉄、アルミニウム
、ステンレススチール、銅及び黄銅等、プラスチックの
場合にはポリエステル、ポリアミド、ポリカーボネート
や塩化ビニル等及び紙材料としては厚紙やダンボール等
があげられる。Specific examples include metals such as iron, aluminum, stainless steel, copper, and brass; plastics such as polyester, polyamide, polycarbonate, and vinyl chloride; and paper materials such as cardboard and cardboard.
形状的には厚みが０．０５〜１．００ｍｍの範囲の箔や
フィルムが好適に使用できる。In terms of shape, foil or film having a thickness in the range of 0.05 to 1.00 mm can be suitably used.
本発明の磁性複合型制振材は以上の２種類の各シート状
材料を接着剤や粘着剤を用い、更にラミネート装置等に
より積層、結合することや、直接にカレンダー装置を用
いて拘束材層・に積層することにより製造することがで
きる。The magnetic composite vibration damping material of the present invention can be produced by laminating and bonding the above two types of sheet-like materials using an adhesive or pressure-sensitive adhesive, and by laminating and bonding them together using a laminating device, or by directly forming a restraining material layer using a calendering device.・Can be manufactured by laminating layers.
なお本発明の狙いは、軽量で取付は作業が容易で、且つ
振動減衰特性の優れた複合型制振材を提供することであ
り、拘束材層をできるだけ薄く且つ密度の小さい材料と
し、更に磁性材層もより薄くすることにより実用化上も
特徴のある制振材を提供することができる。The aim of the present invention is to provide a composite vibration damping material that is lightweight, easy to install, and has excellent vibration damping properties. By making the material layer thinner, it is possible to provide a vibration damping material that has characteristics in practical use.
以下実施例により、より具体的に説明する。A more specific explanation will be given below with reference to Examples.
（実施例）
最初に制振材の性能評価のために用いた試験方に就いて
簡単に説明する。(Example) First, the test method used to evaluate the performance of vibration damping materials will be briefly explained.
試供材料を油面鋼板（又は脱脂鋼板）である厚み０．８
ｍｍの冷延鋼板に載置貼合せて、振動発生源への取付は
作業性、密着性及び振動減衰性を測定した。その載置貼
り合わせた状態を第２図に示す。The sample material is oil-faced steel plate (or degreased steel plate) with a thickness of 0.8
The workability, adhesion, and vibration damping properties of the sample were measured by placing and laminating it on a cold-rolled steel plate with a diameter of 1.5 mm. FIG. 2 shows the mounted and bonded state.
（ア）密着力試験法 （ａ）剪断密着力は引張速度５ｍｍ／分で測定した。(A) Adhesion test method (a) Shear adhesion was measured at a tensile rate of 5 mm/min.
（ｂ）剥離密着力は引張速度５０ｍｍ／分で測定した。(b) Peel adhesion force was measured at a tensile speed of 50 mm/min.
（イ）振動減衰性
メカニカルインピーダンス法を用いて振動減衰能力の尺
度である損失係数（η）を測定した。(b) The loss coefficient (η), which is a measure of vibration damping ability, was measured using the vibration damping mechanical impedance method.
（実施例１〜２、比較例１） 磁性材層は、第１表に示すゴム系磁性材（Ｎ。(Examples 1-2, Comparative Example 1) The magnetic material layer is made of a rubber-based magnetic material (N.
ｌ）及び粘着材系磁性材（Ｎｏ２）の２ｆ＋Ｉ！類配合
材料を、０．４ｍｍの厚みにシート成形し、＠磁装置に
て１５０〜２００ガウス′０）ｌｉｆ１束密度になるよ
うに＠磁調製した。l) and adhesive magnetic material (No. 2) 2f+I! The mixed materials were formed into a sheet with a thickness of 0.4 mm, and magnetically prepared to have a flux density of 150 to 200 Gauss'0)lif1 using a magnetic device.
拘束材層としては厚み０．１ｍｍのアルミニウム箔を使
用した。As the restraining material layer, aluminum foil with a thickness of 0.1 mm was used.
そしてこれ等をラミネート成形し複合型制振材を調製し
た。These were then laminated and molded to prepare a composite damping material.
なお、０．８ｍｍの冷延鋼板を比較例として用いた。Note that a 0.8 mm cold rolled steel plate was used as a comparative example.
第１表
（注）
（７）
；日本合成ゴム（株）製
；日本ゼオン（株）製
；エクソン（株）製
；日本石油化学（株）製
；日本弁柄工業（株）製
；入内新興化学工業（株）製
；日本シリカニ業（株）製
２２Ｏ３
０３ＥＰ
ブロモブチル２２５５
テトラメチル５Ｔ
ＲＢ
テトラメチルチウラム
モノサルファイド
ニップシールＶＮ３
第２表
テストした制振材の構成を第２表の上段に、その性能評
価を第２表の下段と第３図に示す。Table 1 (Note) (7); Manufactured by Nippon Gosei Rubber Co., Ltd.; Manufactured by Nippon Zeon Co., Ltd.; Manufactured by Exxon Co., Ltd.; Manufactured by Nippon Petrochemical Co., Ltd.; Manufactured by Nippon Bengara Kogyo Co., Ltd.; Shinko Iriuchi Manufactured by Kagaku Kogyo Co., Ltd.; Manufactured by Nippon Silkani Industry Co., Ltd. 22O3 03EP Bromobutyl 2255 Tetramethyl 5T RB Tetramethylthiuram Monosulfide Nip Seal VN3 Table 2 The composition of the vibration damping materials tested is shown in the upper row of Table 2, and its performance The evaluation is shown in the lower part of Table 2 and in Figure 3.
この結果より本発明の制振材は次の特徴があることが判
明した。The results revealed that the vibration damping material of the present invention had the following characteristics.
（１）本発明の複合型制振材は、比較例に対して振動減
衰［生能を示す損失係数が極めて大きく制振効果は優れ
ている。(1) The composite vibration damping material of the present invention has an extremely large loss coefficient indicating vibration damping performance (loss coefficient) compared to the comparative example, and has an excellent vibration damping effect.
（２）ｆｆｉ性材層（Ａ）の磁力により、脱脂鋼板は勿
論のこと油面鋼板ともよく接合する。(2) Due to the magnetic force of the ffi material layer (A), it is well bonded not only to degreased steel plates but also to oil-surfaced steel plates.
（３）本発明による制振材は、広範囲の振動周波数に対
して優れた振動減衰性を示す。(3) The damping material according to the present invention exhibits excellent vibration damping properties over a wide range of vibration frequencies.
（実施例３〜４）
拘束材層として、アルミニウム、ステンレススチールを
用い、磁性材層として第１表の配合Ｎ。(Examples 3 to 4) Aluminum and stainless steel were used as the restraining material layer, and composition N in Table 1 was used as the magnetic material layer.
ｌの粘着材系磁性材を用いた制振材の性能を第３表と第
４図に示す。Table 3 and FIG. 4 show the performance of the damping material using the adhesive-based magnetic material.
この結果より、供試の制振材は、性能が全て優れており
、供試の２者共に拘束材層用として良好な材質であるこ
とが分かる。From these results, it can be seen that all of the sample damping materials had excellent performance, and both of the sample damping materials were good materials for the restraining material layer.
第３表
（発明の効果）
本発明の完成により次のような優れた性能を持つ制振材
が得られ、その利用価値は極めて高い。Table 3 (Effects of the Invention) By completing the present invention, a vibration damping material with the following excellent performance has been obtained, and its utility value is extremely high.
（１）振ｉｔ］減衰性の優れた制振材の製造が可能とな
った。(1) Vibration] It has become possible to manufacture a vibration damping material with excellent damping properties.
（２）この制振材は広範囲の振動周波数に対して帰れた
振動減衰性を有する。(2) This damping material has vibration damping properties over a wide range of vibration frequencies.
（３）加えて、この制振材は軽量で且つ振動発生源への
取付は性も簡便であり、装着性も優れている。(3) In addition, this damping material is lightweight, easy to attach to a vibration source, and has excellent wearability.
（４）粘着面に油等が付着汚染していても接合性は良好
である。(4) Good bonding performance even if the adhesive surface is contaminated with oil or the like.
（５）そのため、多分野での振動発生源に対する制御張
材、ひいては防音材としての利用展開が期待される。(5) Therefore, it is expected that it will be used as a control material for vibration sources in many fields, and also as a soundproofing material.
第１図は本発明の磁性複合型制振材の断面図、第２図は
本発明の磁性複合型制振材の性能評価のため、曲面鋼板
（又は脱脂鋼板）に載置貼着したときの状態断面図、第
３図は実施例１〜２及び比較例１における振動周波数対
比の振動減衰性（損失係数）を示すグラフ、第４図は実
施例３〜４における振動周波数対比の振動減衰性（損失
係数）を示すグラフである。
符号の説明
■；磁性材層（Ａ）
■；拘束材層（Ｂ）
■；油面鋼板（又は脱脂鋼板）Figure 1 is a cross-sectional view of the magnetic composite vibration damping material of the present invention, and Figure 2 is a cross-sectional view of the magnetic composite vibration damping material of the present invention when placed and adhered to a curved steel plate (or degreased steel plate) for performance evaluation. Fig. 3 is a graph showing the vibration damping properties (loss coefficient) relative to the vibration frequency in Examples 1 to 2 and Comparative Example 1, and Fig. 4 is a graph showing the vibration damping property (loss coefficient) relative to the vibration frequency in Examples 3 to 4. FIG. Explanation of symbols ■; Magnetic material layer (A) ■; Restraining material layer (B) ■; Oil surface steel plate (or degreased steel plate)
Claims (4)
性複合型制振材。(1) A magnetic composite damping material having a laminated structure of a magnetic material layer (A) and a restraining material layer (B).
ウス、−１０〜４０℃の温度範囲で動的弾性率（Ｅ′）
が５×１０＾８〜５×１０＾１＾０ｄｙｎｅ／ｃｍ＾２
、且つ損失正接（Ｔａｎδ）が０．２以上の特性値を有
し、その厚みが０．１〜１．０ｍｍの範囲の磁性材層か
らなることを特徴とする特許請求の範囲第１項記載の磁
性複合型制振材。(2) The magnetic flux density of the magnetic material layer (A) is 10 to 1000 Gauss, and the dynamic elastic modulus (E') is in the temperature range of -10 to 40°C.
is 5 x 10^8 ~ 5 x 10^1^0 dyne/cm^2
, and a magnetic material layer having a characteristic value of loss tangent (Tan δ) of 0.2 or more and having a thickness in the range of 0.1 to 1.0 mm, as described in claim 1. Magnetic composite vibration damping material.
〜１００℃の温度範囲で５×１０＾１＾０〜５×１０＾
１＾２ｄｙｎｅ／ｃｍ＾２の特性値を有する金属、プラ
スチックスまたは紙等の材質からなり、その厚みが０．
０５〜１．００ｍｍの範囲にあることを特徴とする特許
請求の範囲第１項記載の磁性複合型制振材。(3) The dynamic elastic modulus (E') of the restraining material layer (B) is -30
5×10^1^0~5×10^ in the temperature range of ~100℃
It is made of a material such as metal, plastic, or paper that has a characteristic value of 1^2 dyne/cm^2, and its thickness is 0.
The magnetic composite vibration damping material according to claim 1, wherein the magnetic composite vibration damping material has a thickness in the range of 0.05 to 1.00 mm.
剤、軟化剤、粘着付与剤と磁性粉体とを混合して成るゴ
ム組成物であり、−１０〜４０℃の温度範囲でその剪断
密着力が、１０ｇ／ｃｍ＾２以上の特性値を有すること
を特徴とする特許請求の範囲第２項記載の磁性複合型制
振材。(4) The magnetic material layer (A) is a rubber composition made by mixing natural rubber or synthetic rubber, a plasticizer, a softener, a tackifier, and magnetic powder, and the temperature range is -10 to 40°C. The magnetic composite vibration damping material according to claim 2, characterized in that the shear adhesion force has a characteristic value of 10 g/cm^2 or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2309449A JPH0830956B2 (en) | 1990-11-15 | 1990-11-15 | Magnetic composite type damping material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2309449A JPH0830956B2 (en) | 1990-11-15 | 1990-11-15 | Magnetic composite type damping material |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61243060A Division JP2714655B2 (en) | 1986-10-15 | 1986-10-15 | Magnetic composite damping material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03175022A true JPH03175022A (en) | 1991-07-30 |
| JPH0830956B2 JPH0830956B2 (en) | 1996-03-27 |
Family
ID=17993134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2309449A Expired - Fee Related JPH0830956B2 (en) | 1990-11-15 | 1990-11-15 | Magnetic composite type damping material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0830956B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006315216A (en) * | 2005-05-11 | 2006-11-24 | Honda Motor Co Ltd | Stiffener and method for reinforcing steel sheet |
| JP2013023970A (en) * | 2011-07-25 | 2013-02-04 | Railway Technical Research Institute | Vibration damper |
| JP2017057906A (en) * | 2015-09-15 | 2017-03-23 | トヨタ自動車株式会社 | Case of power transmission device for vehicle |
| JP2020084698A (en) * | 2018-11-30 | 2020-06-04 | 株式会社安藤・間 | Magnetic attractive soundproof sheet, and sound insulation method using the soundproof sheet |
| WO2021132715A1 (en) * | 2019-12-27 | 2021-07-01 | 三菱ケミカル株式会社 | Soundproofing structure |
| EP4102097A1 (en) * | 2021-06-11 | 2022-12-14 | 4Silence B.V. | Constrained-layer damping element |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4968819U (en) * | 1972-09-25 | 1974-06-15 | ||
| JPS5396313U (en) * | 1977-01-10 | 1978-08-05 | ||
| JPS5912496A (en) * | 1982-07-14 | 1984-01-23 | 日産自動車株式会社 | Panel antivibration material |
-
1990
- 1990-11-15 JP JP2309449A patent/JPH0830956B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4968819U (en) * | 1972-09-25 | 1974-06-15 | ||
| JPS5396313U (en) * | 1977-01-10 | 1978-08-05 | ||
| JPS5912496A (en) * | 1982-07-14 | 1984-01-23 | 日産自動車株式会社 | Panel antivibration material |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006315216A (en) * | 2005-05-11 | 2006-11-24 | Honda Motor Co Ltd | Stiffener and method for reinforcing steel sheet |
| JP2013023970A (en) * | 2011-07-25 | 2013-02-04 | Railway Technical Research Institute | Vibration damper |
| JP2017057906A (en) * | 2015-09-15 | 2017-03-23 | トヨタ自動車株式会社 | Case of power transmission device for vehicle |
| JP2020084698A (en) * | 2018-11-30 | 2020-06-04 | 株式会社安藤・間 | Magnetic attractive soundproof sheet, and sound insulation method using the soundproof sheet |
| WO2021132715A1 (en) * | 2019-12-27 | 2021-07-01 | 三菱ケミカル株式会社 | Soundproofing structure |
| EP4102097A1 (en) * | 2021-06-11 | 2022-12-14 | 4Silence B.V. | Constrained-layer damping element |
| NL2028432B1 (en) * | 2021-06-11 | 2022-12-20 | 4Silence B V | Constrained-layer damping element |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0830956B2 (en) | 1996-03-27 |
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