JP2539139Y2 - Structural material - Google Patents
Structural materialInfo
- Publication number
- JP2539139Y2 JP2539139Y2 JP1992039010U JP3901092U JP2539139Y2 JP 2539139 Y2 JP2539139 Y2 JP 2539139Y2 JP 1992039010 U JP1992039010 U JP 1992039010U JP 3901092 U JP3901092 U JP 3901092U JP 2539139 Y2 JP2539139 Y2 JP 2539139Y2
- Authority
- JP
- Japan
- Prior art keywords
- structural material
- adhesive layer
- structural
- silicone oil
- base material
- 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
Description
【０００１】[0001]
【産業上の利用分野】この考案は制振性あるいは消音性
にすぐれた構造材に関するものである。BACKGROUND OF THE INVENTION The present invention relates to a structural material having excellent vibration damping or sound deadening properties.
【０００２】[0002]
【従来の技術】道路の防音壁や工場、家屋の建造物内の
防音、あるいは電化製品の制振、遮音において用いられ
る振動を抑制する制振材あるいは音波を遮断する消音材
としては、軽量であって、かつ堅牢で耐蝕性を有するこ
とが必要である。このような制振材あるいは消音材とし
て、従来はグラスウール等の無機センイやポリウレタン
フォーム等の多孔質体を基材に貼付けて用いられてい
る。2. Description of the Related Art As a soundproofing material for suppressing noise used in a soundproof wall of a road, a building of a factory or a house, or a vibration control or a sound insulation of an electric appliance, a sound damping material for blocking sound waves is lightweight. It is necessary to be robust, and to have corrosion resistance. Conventionally, as such a vibration damping material or a sound deadening material, a porous body such as an inorganic fiber such as glass wool or a polyurethane foam is adhered to a substrate.
【０００３】[0003]
【考案が解決しようとする課題】しかしながら、グラス
ウールは振動や風圧等により折損したり、粉塵化しやす
く、また水分を吸収すると、制振性や吸音性が低下する
という問題がある。一方、ポリウレタンフオーム等の多
孔質体では耐熱性が悪く、かつ吸湿により吸音性が低下
するという問題がある。However, glass wool has a problem that it is easily broken or dusted due to vibrations or wind pressure, and also has a problem in that when water is absorbed, the vibration damping property and the sound absorbing property are reduced. On the other hand, a porous body such as a polyurethane foam has a problem that heat resistance is poor and sound absorption is reduced due to moisture absorption.
【０００４】[0004]
【課題を解決するための手段】この考案は、上記した従
来の制振、消音効果を有する構造材の問題点を解消する
べく検討の結果得られたものであって、基材表面あるい
は予め表面処理を施した基材表面に１〜３μｍの粒径を
有する中空微小球を２０〜６０体積％含有する１〜５ｍ
ｍ厚のシリコーン油接着層を形成させることによって、
制振性、消音性にすぐれた構造材を提供するものであ
る。SUMMARY OF THE INVENTION The present invention has been obtained as a result of an examination to solve the above-mentioned problems of the conventional structural material having a vibration damping and sound-absorbing effect, and is intended to be applied to a surface of a substrate or a surface in advance. 1 to 5 m containing 20 to 60 % by volume of hollow microspheres having a particle size of 1 to 3 μm on the surface of the treated substrate
By forming a m-thick silicone oil adhesive layer,
It is intended to provide a structural material having excellent vibration damping and sound deadening properties.
【０００５】[0005]
【作用】この考案の構造材は上記したような構成からな
っており、基材表面に２０〜６０体積％の中空微小球を
含有するシリコーン油接着層を１〜５ｍｍ厚に形成した
ことにより、２枚の鋼板の間にポリイミド樹脂のような
有機物質をサンドイッチして構成した従来の複合型制振
鋼板に比べて大きく向上した制振性、消音性が得られる
のである。The structural material of the present invention has the above-described structure, and a silicone oil adhesive layer containing 20 to 60 % by volume of hollow microspheres is formed on the surface of a base material to a thickness of 1 to 5 mm. As a result, vibration damping and noise reduction greatly improved compared to a conventional composite vibration damping steel sheet formed by sandwiching an organic substance such as a polyimide resin between two steel sheets can be obtained.
【０００６】この考案の構造材を得る基材としては、ア
ルミニウムやチタンのような軽量金属、他のニッケルや
鉄などの金属材、木材、プラスチック材、陶器材、粘土
の焼結体などを用いることができ、そしてこれらの基材
上に直接シリコーン油の接着層を設けてもよいが、プラ
ズマ溶射法によりＡｌ２Ｏ３のようなセラミックス粉体
層を基材表面に形成した後、あるいはメッキ処理した
後、このほか、エッチング処理やブラスト処理にて基材
表面を予め粗にした後、などにシリコーン油の接着層を
形成する方が基材表面との密着性が向上して好ましい。
特に基材表面にプラズマ溶射法にてＡｌ２Ｏ３皮膜を形
成したものは、基材とＡｌ２Ｏ３皮膜およびＡｌ２Ｏ３
皮膜とその上に形成したシリコーン油接着層との密着性
が顕著であると同時に、このＡｌ２Ｏ３皮膜により制振
性、消音性を一般と向上させることができる。As a base material for obtaining the structural material of the present invention, a lightweight metal such as aluminum or titanium, another metal material such as nickel or iron, wood, plastic material, pottery material, or a sintered body of clay is used. it can, and an adhesive layer may be a straight contact recone oil provided on these substrates, but after the ceramic powder layer, such as Al 2 O 3 formed on the substrate surface by plasma spraying, or after plating, in addition, after the previously roughly the substrate surface by etching or blasting, better to form the adhesive layer of the sheet recone oil, etc. is improved adhesion to the substrate surface preferable.
In particular, when the Al 2 O 3 film is formed on the substrate surface by the plasma spraying method, the substrate and the Al 2 O 3 film and the Al 2 O 3 film are formed.
Film simultaneously with adhesion to the sheets recone oil adhesive layer formed thereon to be marked, can be the Al vibration damping property by 2 O 3 film, improving the general silencing property.
【０００７】基材表面に形成するシリコーン油として
は、該成分中に１〜３μｍの中空微小球が２０〜６０体
積％含有しているものが好ましく、この中空微小球の存
在によって接着層内に多数形成される空隙が制振、消音
に大きく寄与するのである。[0007] As the silicone oil to form on the substrate surface, in the component hollow microspheres 1~3μm 20 to 60 bodies
%, And the presence of the hollow microspheres causes many voids formed in the adhesive layer to greatly contribute to vibration damping and noise reduction.
【０００８】[0008]
【実施例】以下、この考案の実施例を図に基いて詳細に
説明する。図１はこの考案になる構造材の一実施例を示
す段目図であって、１、４は厚みが１ｍｍのアルミニウ
ム基材であり、２はその一方のアルミニウム基材１上に
形成したシリコーン油からなる接着層であって、３は接
着層２中に点在して分散している１〜３μｍの中空微小
球であって、これはシリコーン油中に２０〜６０体積％
含有されているものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a schematic view showing an embodiment of a structural material according to the present invention, wherein reference numerals 1 and 4 denote an aluminum substrate having a thickness of 1 mm, and reference numeral 2 denotes a silicone formed on one of the aluminum substrates 1. An adhesive layer made of oil, wherein 3 is hollow microspheres of 1 to 3 μm dispersed and dispersed in the adhesive layer 2, which are 20 to 60 % by volume in the silicone oil.
It is contained.
【０００９】このような構成からなる図１の構造材は、
まず厚さ１ｍｍのアルミニウム基材１および４の夫々の
一方の表面をブラストあるいはエッチングして該表面の
接着性を高める前処理を行なう。次いでアルミニウム基
材１の前処理面に１〜３μｍの粒径を有する中空微小球
３を２０〜６０体積％含有しているシリコーン油を塗布
し、その上にアルミニウム基材４の前処理面を被せてか
ら、常温で１〜２時間放置して硬化させることによって
アルミニウム基材１、４間にシリコーン油接着層２を有
する構造材が得られる。この硬化時間は加熱硬化により
短縮することができる。The structural material of FIG. 1 having such a structure is as follows.
First, one surface of each of the aluminum substrates 1 and 4 having a thickness of 1 mm is blasted or etched to perform a pretreatment for increasing the adhesion of the surfaces. Next, a silicone oil containing 20 to 60 % by volume of hollow microspheres 3 having a particle size of 1 to 3 μm is applied to the pre-treatment surface of the aluminum substrate 1, and the pre-treatment surface of the aluminum substrate 4 is coated thereon. After covering, it is allowed to stand at room temperature for 1 to 2 hours to be cured, whereby a structural material having the silicone oil adhesive layer 2 between the aluminum substrates 1 and 4 is obtained. This curing time can be shortened by heat curing.
【００１０】このようにして得られた構造材の減衰率
を、市販の複合型制振鋼板のそれと比較すると、３ｍｍ
厚のポリイミド樹脂膜を２枚の鋼板間にサンドイッチし
た構造の市販複合型制振鋼板の減衰率は１３５ｄＢ／ｓ
ｅｃであるのに対し、上記した図１の構成からなるこの
考案の構造材では、シリコーン油接着層２の厚みが１ｍ
ｍの時の減衰率は２９７ｄＢ／ｓｅｃ、２ｍｍの時、２
９８ｄＢ／ｓｅｃ、３ｍｍで３３５ｄＢ／ｓｅｃを示
し、この考案の構造材ではシリコーン油接着層の厚みが
僅か１ｍｍであっても３ｍｍ厚の材料をサンドイッチし
た市販制振鋼板より約２倍以上の減衰率を示すことがわ
かり、制振材、消音材として有用であることが認められ
た。When the damping rate of the structural material thus obtained is compared with that of a commercially available composite damping steel sheet,
The damping rate of a commercially available composite vibration-damping steel sheet having a structure in which a thick polyimide resin film is sandwiched between two steel sheets is 135 dB / s.
ec, the thickness of the silicone oil adhesive layer 2 is 1 m in the structural material of the present invention having the structure of FIG.
m, the attenuation rate is 297 dB / sec.
98 dB / sec, 335 dB / sec at 3 mm. With the structural material of the present invention, even if the thickness of the silicone oil adhesive layer is only 1 mm, the attenuation rate is more than twice as high as that of a commercially available damping steel sheet sandwiched with a 3 mm thick material. And was found to be useful as a vibration damping material and a sound deadening material.
【００１１】図２は、この考案になる構造材の他の実施
例を示す断面図であり、アルミニウム基材１の一方の上
面にプラズマ溶射法によってアルミナ溶射皮膜５を１５
０μｍに形成して、その上に図１と同じようにしてシリ
コーン油接着層２を形成したものである。このようにア
ルミニウム基材１上にアルミナ溶射皮膜５を形成してお
くと、その上に形成するシリコーン油接着層２が１ｍｍ
厚であっても、３２５ｄＢ／ｓｅｃとシリコーン油接着
層２のみの場合の３ｍｍ厚の時とほぼ同等の減衰率を示
した。溶射皮膜はアルミナに限定されるものではない。FIG. 2 is a cross-sectional view showing another embodiment of the structural material according to the present invention, in which an alumina spray coating 5 is formed on one upper surface of an aluminum substrate 1 by a plasma spray method.
The silicone oil adhesive layer 2 was formed thereon in the same manner as in FIG. When the alumina sprayed coating 5 is formed on the aluminum base material 1 in this manner, the silicone oil adhesive layer 2 formed thereon is 1 mm thick.
Even when the thickness was 325 dB / sec, the attenuation rate was almost the same as when the thickness was 3 mm when only the silicone oil adhesive layer 2 was used. The thermal spray coating is not limited to alumina.
【００１２】また、上記においては図１および図２とも
にアルミニウム基材１、４によってサンドイッチ構造と
した構造材の例を示したが、この構造材の用途によって
は一方のアルミニウム基材４は省略することもできる。
かくして得られるこの考案の構造材は、自動車道や鉄道
等の交通機関や工場等構築物の防音壁、機械設備の防音
カバー、あるいは音響設備のある室内の天井、床、壁な
どの防音材として広く用いることができる。Further, in the above description, both of FIGS. 1 and 2 show examples of the structural material having a sandwich structure by the aluminum substrates 1 and 4, but depending on the use of this structural material, one aluminum substrate 4 is omitted. You can also.
The structural materials thus obtained can be widely used as soundproofing walls for transportation systems such as motorways and railroads, as well as for buildings such as factories, as soundproofing covers for machinery and equipment, or for ceilings, floors and walls in rooms with soundproofing equipment. Can be used.
【００１３】[0013]
【考案の効果】以上説明したように、この考案は基材表
面に１〜３μｍの粒径を有する中空微小球を２０〜６０
体積％含有するシリコーン油接着層を形成した構造材を
得るものであり、この接着層に混入されている中空微小
球で該接着層中に形成される空隙が制振、消音効果に大
きく寄与するのである。As described above, according to the present invention, a hollow microsphere having a particle size of 1 to 3 μm is formed on a surface of a base material by 20 to 60 μm.
It is intended to obtain a structural material having a silicone oil adhesive layer containing a volume% , and voids formed in the adhesive layer by hollow microspheres mixed in the adhesive layer greatly contribute to vibration damping and noise reduction effects. It is.
【図１】この考案の構造材の一例を示す断面図である。FIG. 1 is a sectional view showing an example of the structural material of the present invention.
【図２】この考案の構造材の他の一例を示す断面図であ
る。FIG. 2 is a cross-sectional view showing another example of the structural material of the present invention.
１ アルミニウム基材 ２ シリコーン油接着層 ３ 中空微小球 ４ アルミニウム基材 ５ アルミナ溶射膜 DESCRIPTION OF SYMBOLS 1 Aluminum base material 2 Silicone oil adhesive layer 3 Hollow microsphere 4 Aluminum base material 5 Alumina sprayed film
───────────────────────────────────────────────────── フロントページの続き (72)考案者 村田 裕康 大阪府大阪市東淀川区淡路２丁目14番３ 号 株式会社三社電機製作所内 (72)考案者 橘 秀久 大阪府大阪市東淀川区淡路２丁目14番３ 号 株式会社三社電機製作所内 (56)参考文献 特開 平２−117825（ＪＰ，Ａ) 実開 昭52−29101（ＪＰ，Ｕ) ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroyasu Murata 2-14-3 Awaji, Higashiyodogawa-ku, Osaka-shi, Osaka Inside Sansha Electric Works (72) Inventor Hidehisa Tachibana 2-chome Awaji, Higashiyodogawa-ku, Osaka-shi, Osaka No. 14-3 Inside Sansha Electric Manufacturing Co., Ltd. (56) References JP-A-2-117825 (JP, A)
Claims (4)
空微小球を２０〜６０体積％含有する１〜５ｍｍ厚のシ
リコーン油接着層を形成させて制振性、消音性を付与し
てなる構造材。1. A 1 to 5 mm thick silicone oil adhesive layer containing 20 to 60 % by volume of hollow microspheres having a particle size of 1 to 3 μm is formed on the surface of a substrate to impart vibration damping and noise reduction properties. Structural material.
他の金属材、木材、プラスチック材、陶器材あるいは粘
土焼結材である請求項１記載の構造材。2. A lightweight material of aluminum or titanium as a base material,
The structural material according to claim 1, which is another metal material, wood, plastic material, ceramic material, or clay sintered material.
表面処理されている請求項１記載の構造材。3. The structural material according to claim 1, wherein the surface of the base material is previously subjected to a surface treatment by thermal spraying or plating.
スト処理されている請求項１記載の構造材。4. The structural material according to claim 1, wherein the surface of the base material has been etched or blasted in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992039010U JP2539139Y2 (en) | 1992-05-13 | 1992-05-13 | Structural material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992039010U JP2539139Y2 (en) | 1992-05-13 | 1992-05-13 | Structural material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0594897U JPH0594897U (en) | 1993-12-24 |
| JP2539139Y2 true JP2539139Y2 (en) | 1997-06-25 |
Family
ID=12541140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1992039010U Expired - Lifetime JP2539139Y2 (en) | 1992-05-13 | 1992-05-13 | Structural material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2539139Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53163Y2 (en) * | 1975-08-21 | 1978-01-06 | ||
| JPH0673935B2 (en) * | 1988-04-01 | 1994-09-21 | ニチアス株式会社 | Damping material and soundproof structure using damping material |
-
1992
- 1992-05-13 JP JP1992039010U patent/JP2539139Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0594897U (en) | 1993-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19970107 |