JP3094031B2 - Filler for vibration damping and sound insulation - Google Patents
Filler for vibration damping and sound insulationInfo
- Publication number
- JP3094031B2 JP3094031B2 JP02152933A JP15293390A JP3094031B2 JP 3094031 B2 JP3094031 B2 JP 3094031B2 JP 02152933 A JP02152933 A JP 02152933A JP 15293390 A JP15293390 A JP 15293390A JP 3094031 B2 JP3094031 B2 JP 3094031B2
- Authority
- JP
- Japan
- Prior art keywords
- filler
- vibration
- damping
- vibration damping
- hollow
- 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 - Fee Related
Links
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Body Structure For Vehicles (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、自動車のピラー，ロツカー，メンバー，
サブフレーム等の中空部分に充填使用される制振遮音用
充填材に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a vehicle pillar, a rocker, a member,
The present invention relates to a vibration-damping and sound-insulating filler used for filling a hollow portion such as a subframe.
従来から、運転中のエンジンから発生する振動および
騒音を遮断するための方法として、自動車のピラー，ロ
ツカー等の中空部分に、例えば板状ウレタンスポンジ
を詰め込んだり、上記中空部分の内壁面に発泡性エラ
ストマーを貼着し中空部分外壁塗装時の焼付熱を利用し
て上記発泡性エラストマーを発泡させる等の方法が行わ
れている。上記の方法をより詳しく説明すると、この
方法に使用する発泡性エラストマーとしては、熱可塑性
樹脂と熱硬化性樹脂の混合物に発泡剤等の添加剤を加え
て板状に形成した発泡材と、ガラス板にアルミニウム箔
をラミネートしたものとの積層体が用いられる。そし
て、この方法は、上記発泡性エラストマーを自動車のピ
ラー等の中空部分の内壁面に貼着し、外壁塗装時の焼付
熱を利用し、熱可塑性樹脂を発泡剤の作用により発泡さ
せ、熱硬化性樹脂の作用により硬化させて発泡構造体を
形成することにより、振動およびエンジン音等を遮断す
る。2. Description of the Related Art Conventionally, as a method for isolating vibration and noise generated from an engine during operation, for example, a plate-shaped urethane sponge is packed in a hollow part of a pillar, a rocker or the like of an automobile, or foaming is performed on an inner wall surface of the hollow part. A method of sticking an elastomer and foaming the foamable elastomer by utilizing the heat of baking at the time of painting the outer wall of the hollow portion has been performed. The above-mentioned method will be described in more detail. The foamable elastomer used in this method includes a foamed material formed into a plate by adding an additive such as a foaming agent to a mixture of a thermoplastic resin and a thermosetting resin, and glass. A laminated body obtained by laminating an aluminum foil on a plate is used. In this method, the foamable elastomer is adhered to the inner wall surface of a hollow portion such as a pillar of an automobile, and the heat of baking at the time of painting the outer wall is used to foam the thermoplastic resin by the action of a foaming agent, and the thermosetting is performed. Vibration, engine noise, and the like are blocked by forming a foamed structure by curing with the action of the conductive resin.
しかしながら、上記方法およびに用いられる制振
遮音用充填材は、いずれも板状成形品であり、これを上
記中空部分の隅々まで完全に充填することは不可能であ
る。その結果、必ず未充填部分（空隙）が形成されてし
まう。したがつて、充分な制振遮音効果が得られないの
が実情であり、また未充填部分が形成されることにより
車体の剛性にばらつきが生じるという問題がある。However, all of the vibration-damping and sound-insulating fillers used in the above method and the method are plate-like molded products, and it is impossible to completely fill the hollow portion with every corner. As a result, unfilled portions (voids) are always formed. Therefore, in reality, a sufficient vibration damping and sound insulating effect cannot be obtained, and there is a problem that the rigidity of the vehicle body varies due to the formation of an unfilled portion.
この発明は、このような事情に鑑みなされたもので、
中空部分の隅々まで容易に充填することができ優れた制
振遮音効果の得られる制振遮音用充填材の提供をその目
的とする。The present invention has been made in view of such circumstances,
It is an object of the present invention to provide a vibration-damping and sound-insulating filler capable of easily filling every corner of a hollow portion and obtaining an excellent vibration-damping and sound-insulating effect.
上記の目的を達成するため、この発明の制振遮音用充
填材は、全体が粒状物質集合体からなり、各粒状物質
が、熱可塑性樹脂からなるマトリツクス樹脂中に中空小
片を含有させて構成されているという構成をとる。In order to achieve the above object, the vibration-damping and sound-insulating filler of the present invention is composed entirely of a particulate material aggregate, and each particulate material is constituted by containing a hollow small piece in a matrix resin made of a thermoplastic resin. Take the configuration that.
すなわち、この発明の制振遮音用充填材は、従来用い
られている板状成形品ではなく、粒状物質の集合体であ
り、上記各粒状物質は熱可塑性樹脂からなり、その中に
中空小片が含有されている。このため、軽量で取り扱い
性に優れ充填すべき中空部分の隅々まで容易に充填する
ことができる。そして、加熱により上記粒状物質の集合
体である制振遮音用充填材が溶融して相互に融着し合い
疑似発泡構造を形成し、その結果、優れた制振遮音効果
が得られる。また、例えば自動車のピラー，ロツカー等
の中空部分の制振遮音用に用いると、隙間なく充填でき
るため、中空部分の剛性にばらつきがなく高い剛性が付
与される。That is, the vibration-damping and sound-insulating filler of the present invention is not a conventionally used plate-like molded product, but an aggregate of granular materials, and each of the above-mentioned granular materials is made of a thermoplastic resin, and hollow small pieces are contained therein. It is contained. For this reason, it is lightweight, has excellent handleability, and can be easily filled to every corner of the hollow portion to be filled. Then, the filler for vibration damping and sound insulation, which is an aggregate of the particulate matter, is melted by heating and fused together to form a pseudo-foamed structure. As a result, an excellent vibration damping and sound insulating effect is obtained. Further, when used for vibration damping and sound insulation of a hollow part such as a pillar or a rocker of an automobile, the hollow part can be filled without gaps, so that the rigidity of the hollow part has no variation and high rigidity is provided.
なお、上記中空小片とは、内部が中空に形成されてい
るものだけでなく、貫通孔を有するものをも含む趣旨で
ある。In addition, the said hollow small piece is not only the thing which the inside is formed hollow, but the meaning including the thing which has a through-hole.
つぎに、この発明を詳しく説明する。 Next, the present invention will be described in detail.
この発明の制振遮音用充填材は、粒状物質の集合体で
あり、上記各粒状物質は、熱可塑性樹脂と、中空小片と
を用いて得られる。The filler for vibration damping and sound insulation of the present invention is an aggregate of granular materials, and each of the above-mentioned granular materials is obtained using a thermoplastic resin and small hollow pieces.
上記熱可塑性樹脂としては、融点が180〜250℃を有す
るものであれば、特に限定するものではないが、樹脂の
粘着性および耐衝撃性を考慮するとポリアミド樹脂，熱
可塑性ポリウレタン等を用いるのが好ましい。The thermoplastic resin is not particularly limited as long as it has a melting point of 180 to 250 ° C. However, in consideration of the tackiness and impact resistance of the resin, it is preferable to use a polyamide resin, a thermoplastic polyurethane, or the like. preferable.
上記中空小片としては、中空球，円筒形状のものが用
いられ、具体的にはガラスビーズ，プラスチツクビー
ズ，中空フイラー等があげられる。そして、ガラスビー
ズ等の中空球を用いるのが好ましく、なかでも粒径10〜
70μｍのものを用いるのが特に好適である。As the hollow small pieces, hollow spheres and cylindrical ones are used, and specific examples thereof include glass beads, plastic beads, and hollow fillers. And it is preferable to use hollow spheres such as glass beads, among which a particle size of 10 to
It is particularly preferable to use one having a size of 70 μm.
また、上記制振遮音用充填材には、上記熱可塑性樹脂
および中空小片以外に、充填剤，可塑剤，滑剤等の添加
剤が適宜配合される。Further, in addition to the thermoplastic resin and the hollow small pieces, additives such as a filler, a plasticizer, a lubricant and the like are appropriately blended in the filler for vibration damping and sound insulation.
上記制振遮音用充填材は、例えばつぎのようにして製
造される。すなわち、上記熱可塑性樹脂，中空小片およ
び必要に応じて添加剤を配合する。そして、この配合物
を二軸押出機にて押出し、得られた押出成形品を冷却し
た後、裁断して顆粒化することにより粒状物質の集合体
である制振遮音用充填材が製造される。上記粒状物質の
制振遮音用充填剤は、直径１〜5mmで高さ１〜5mmの円柱
状に形成するのが充填性の観点から好適である。また、
上記粒状物質の形状として、上記円柱状以外に球状のも
のを用いてもよい。The vibration-damping and sound-insulating filler is manufactured, for example, as follows. That is, the above-mentioned thermoplastic resin, hollow small pieces, and additives are added if necessary. Then, the compound is extruded by a twin-screw extruder, and the obtained extruded product is cooled, cut, and granulated to produce a damping sound-insulating filler, which is an aggregate of granular materials. . It is preferable from the viewpoint of filling properties that the above-mentioned particulate material for vibration damping and sound insulating filler is formed in a columnar shape having a diameter of 1 to 5 mm and a height of 1 to 5 mm. Also,
As the shape of the granular material, a spherical shape may be used in addition to the columnar shape.
このようにして得られる上記制振遮音用充填材は、常
温では粒状に保形されており、加熱することにより各粒
状のマトリツクス樹脂が融解してマトリツクス樹脂同士
が融着し合い、第１図に示すような、金属を焼成して得
られる一種の焼結状態のような構造、すなわち疑似発泡
構造体を形成する。図において、１はマトリツクス樹
脂,2は中空小片である。The thus obtained filler for vibration damping and sound insulation is kept in a granular shape at room temperature, and by heating, the granular matrix resins are melted and the matrix resins are fused to each other. As shown in Fig. 5, a structure like a kind of sintered state obtained by firing a metal, that is, a pseudo-foamed structure is formed. In the figure, 1 is a matrix resin and 2 is a hollow piece.
そして、上記制振遮音用充填材を用い、例えばつぎの
ようにして中空部分に充填し制振遮音構造体が形成され
る。すなわち、自動車のピラー，ロツカー等の中空部分
に上記制振遮音用充填材を充填する。つぎに、中空部分
の外壁の塗装時の余熱を利用し制振遮音用充填材を融解
させ、粒子同士を融着させてることにより疑似発泡構造
の制振遮音構造体が形成される。Then, using the above-mentioned filler for vibration damping and sound insulation, a hollow portion is filled as follows, for example, to form a vibration damping sound insulation structure. That is, a hollow portion of a pillar, a rocker or the like of an automobile is filled with the above-mentioned filler for vibration damping and sound insulation. Next, the filler for vibration damping and sound insulation is melted by utilizing the residual heat at the time of painting the outer wall of the hollow part, and the particles are fused together to form a vibration damping sound insulation structure having a pseudo foam structure.
このようにして得られる制振遮音用充填材は、粒状物
質の集合体で、各粒状物質が、熱可塑性樹脂からなるマ
トリツクス樹脂中に中空小片が含有されているため、軽
量でかつ充填すべき部分の隅々まで容易に充填すること
ができる。The filler for vibration damping and sound insulation obtained in this manner is an aggregate of granular materials, and each granular material is lightweight and should be filled because hollow particles are contained in a matrix resin made of a thermoplastic resin. It can be easily filled to every corner of the part.
以上のように、この発明の制振遮音用充填材は、中空
小片が含有された粒状マトリツクス樹脂の集合体である
ため、全体が軽量かつ取り扱いが容易であり充填する部
分の細部まで容易に充填することができる。したがつ
て、この発明の制振遮音用充填材は、自動車のピラー，
ロツカー等の中空部分の制振遮音構造体形成用品として
最適であり、塗装時の焼付で発生する熱を利用して充填
材同士が融着し疑似発泡構造を形成するため、充分な制
振遮音効果を付与することが可能であると同時に、上記
中空部分の全体にあますことなく充填してその剛性を全
体に均一に向上させることができる。As described above, since the filler for vibration damping and sound insulation of the present invention is an aggregate of granular matrix resin containing hollow small pieces, the whole is lightweight and easy to handle, and easily fills in the details of the filling portion. can do. Therefore, the filler for vibration damping and sound insulation according to the present invention is used for a vehicle pillar,
It is most suitable as a material for forming a vibration-damping and sound-insulating structure in a hollow part such as a rocker.Since the fillers are fused together using heat generated by baking during painting to form a pseudo-foamed structure, sufficient vibration-damping and sound-insulating properties are obtained. The effect can be provided, and at the same time, the rigidity can be uniformly improved throughout by filling the hollow portion without hitting the entirety.
つぎに、実施例について比較例と併せて説明する。 Next, examples will be described together with comparative examples.
〔実施例１〕 熱可塑性樹脂としてナイロン66を100重量部（以下
「部」と略す）、直径50μｍのガラスビーズを10部準備
した。つぎに、これらを充填剤，可塑剤等の添加剤とと
もに撹拌機にて10分間混合し、この混合物を二軸押出機
にて紐状に押出した。得られた紐状成形品を冷却した
後、裁断することにより、直径2mm×高さ5mmの円柱形状
の粒状集合体である制振遮音用充填材を作製した。Example 1 As a thermoplastic resin, 100 parts by weight of nylon 66 (hereinafter abbreviated as “parts”) and 10 parts of glass beads having a diameter of 50 μm were prepared. Next, these were mixed with additives such as a filler and a plasticizer by a stirrer for 10 minutes, and this mixture was extruded into a string shape by a twin-screw extruder. The obtained string-shaped molded product was cooled and then cut to produce a columnar granular aggregate having a diameter of 2 mm and a height of 5 mm.
〔実施例２〕 ナイロン66を熱可塑性ポリウレタンに代え、ガラスビ
ーズの直径を20μｍに変えた。それ以外は実施例１と同
様にして直径2mm×高さ5mmの円柱形状の粒状集合体であ
る制振遮音用充填材を作製した。Example 2 Nylon 66 was replaced with thermoplastic polyurethane, and the diameter of the glass beads was changed to 20 μm. Otherwise in the same manner as in Example 1, a filler for vibration damping and sound insulation as a cylindrical granular aggregate having a diameter of 2 mm and a height of 5 mm was produced.
熱可塑性樹脂のナイロン66を100部、熱硬化性樹脂の
エポキシ樹脂を100部、さらに添加剤として有機発泡
剤，充填剤，可塑剤を配合して射出成形により発泡性板
状成形品を形成した。つぎに、この発泡性板状成形品
に、ガラス板にアルミニウム箔をラミネートした板を積
層することにより板状制振遮音用成形品を作製した。100 parts of nylon 66 of thermoplastic resin, 100 parts of epoxy resin of thermosetting resin, and an organic foaming agent, filler and plasticizer as additives were added to form a foamed plate-like molded product by injection molding. . Next, a plate-shaped vibration-damping and sound-insulating molded product was prepared by laminating a plate obtained by laminating an aluminum foil on a glass plate on the foamable plate-shaped molded product.
上記実施例品および比較例品を用いて、自動車のピラ
ーの中空部分に充填した。その結果、実施例品は中空部
分の細部まで隙間なく充填することができたが、比較例
品では細部まで充填することができず、隙間が生じた。
つぎに、塗装時に発生する熱と同程度に加熱することに
より制振遮音構造体を形成し、これらの制振性を調べ評
価した。その結果を下記の表に示した。Using the above-mentioned examples and comparative examples, the hollow portions of pillars of automobiles were filled. As a result, the product of the example could be filled into the details of the hollow portion without any gap, but the product of the comparative example could not be filled into the details, and a gap was formed.
Next, a vibration-damping and sound-insulating structure was formed by heating to about the same level as the heat generated during painting, and the vibration-damping properties of these structures were examined and evaluated. The results are shown in the table below.
《制振性》 上記実施例品および比較例品を、第２図に示すような
骨格型テストピース３内に充填し、これを780℃×30分
で加熱して成形品を融着させた。つぎに、このテストピ
ース３を、第２図に示すように、自由支持しハンマー６
により加振した。その垂直方向の加振応答を測定機５に
より測定した。その結果、制振性に優れたものを○、不
良のものを×とした。図において、４はパワーアンプで
ある。<< Vibration Suppression Property >> The above-mentioned example product and comparative example product were filled in a skeleton type test piece 3 as shown in FIG. 2, and this was heated at 780 ° C. × 30 minutes to fuse the molded product. . Next, as shown in FIG. 2, the test piece 3 is
Vibrated. The vertical vibration response was measured by the measuring device 5. As a result, a sample having excellent vibration damping properties was evaluated as ○, and a sample with poor vibration control was evaluated as ×. In the figure, reference numeral 4 denotes a power amplifier.
上記の結果から、実施例品は中空部分の細部にわたり
充填されていて制振性に非常に優れていることがわか
る。 From the above results, it can be seen that the example product is filled in the details of the hollow portion and is very excellent in vibration damping properties.
第１面はこの発明の制振遮音用充填材の相互融着により
形成される疑似発泡構造の模式図、第２図は制振性の測
定装置を示す説明図である。 １……マトリツクス樹脂、２……中空小片The first surface is a schematic view of a pseudo-foamed structure formed by mutual fusion of the damping and sound-insulating filler of the present invention, and FIG. 2 is an explanatory diagram showing a vibration damping measuring device. 1 ... Matrix resin, 2 ... Small hollow piece
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B60R 13/08 G10K 11/16 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 7 , DB name) B60R 13/08 G10K 11/16
Claims (2)
質が、熱可塑性樹脂からなるマトリツクス樹脂中に中空
小片を含有させて構成されていることを特徴とする制振
遮音用充填材。1. A vibration-damping and sound-insulating filler, characterized in that the whole is composed of an aggregate of granular substances, and each particulate substance is constituted by containing hollow small pieces in a matrix resin made of a thermoplastic resin.
径が10〜70μｍである請求項（１）記載の制振遮音用充
填材。2. The filler for vibration damping and sound insulation according to claim 1, wherein the hollow small pieces are spherical, and the spherical diameter of the hollow small pieces is 10 to 70 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02152933A JP3094031B2 (en) | 1990-06-08 | 1990-06-08 | Filler for vibration damping and sound insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02152933A JP3094031B2 (en) | 1990-06-08 | 1990-06-08 | Filler for vibration damping and sound insulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0443136A JPH0443136A (en) | 1992-02-13 |
| JP3094031B2 true JP3094031B2 (en) | 2000-10-03 |
Family
ID=15551318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02152933A Expired - Fee Related JP3094031B2 (en) | 1990-06-08 | 1990-06-08 | Filler for vibration damping and sound insulation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3094031B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2005002949A1 (en) * | 2003-07-01 | 2006-08-10 | 本田技研工業株式会社 | Skeletal structure member for transport machinery and manufacturing method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2826093B1 (en) * | 2001-06-15 | 2003-08-08 | Peugeot Citroen Automobiles Sa | METHOD FOR ACOUSTICALLY ISOLATING A HOLLOW BODY, SUCH AS A BODY PART OF A MOTOR VEHICLE |
| JP5512405B2 (en) * | 2010-06-08 | 2014-06-04 | 富士重工業株式会社 | Manufacturing method of car body structure |
-
1990
- 1990-06-08 JP JP02152933A patent/JP3094031B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2005002949A1 (en) * | 2003-07-01 | 2006-08-10 | 本田技研工業株式会社 | Skeletal structure member for transport machinery and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0443136A (en) | 1992-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3814778A (en) | Method for producing a composite foamed article | |
| US6099948A (en) | Encapsulation of pre-expanded elastomeric foam with a thermoplastic | |
| AU711241B2 (en) | Composite structural reinforcement member | |
| KR100298544B1 (en) | Vacuum Insulation Panel and Manufacturing Method | |
| US5041472A (en) | Syntactic foam energy absorber | |
| KR20050092021A (en) | Heat activated epoxy adhesive and use in a structural foam insert | |
| JP3094031B2 (en) | Filler for vibration damping and sound insulation | |
| EP2577236A1 (en) | Ultrasonic transducer for use in a fluid medium | |
| US20110265933A1 (en) | Laminated steel with compliant viscoelastic core | |
| JP4258689B2 (en) | Buffer material and manufacturing method thereof | |
| JPH07232664A (en) | Method for cutting of hollow part of hollow structure by foam and foam forming member | |
| JP2002047370A (en) | Foamed article and sound absorbing and insulating material | |
| JP2004143324A (en) | Vibration-dumping resin composition | |
| US4696776A (en) | Method of producing polyurethane foams for low stress encapsulation | |
| JPH09302106A (en) | Plastic sheet for absorption and insulation of sound and absorption of electric wave containing capsule including magnetic fluid and plastic panel for absorption and insulation of sound and an absorption of electric wave | |
| JP2000246822A (en) | Panel structure and production thereof | |
| JP3038005B2 (en) | Low frequency sound absorbing panel | |
| KR101822106B1 (en) | Complex panel for outer wall or door of loaded vehicle and manufacturing method thereof | |
| JPH0364330B2 (en) | ||
| JPH0689805B2 (en) | Method for manufacturing vibration absorbing support | |
| JP2001280415A (en) | Vibration control and noise insulation structure, and its manufacturing method | |
| WO1993012922A1 (en) | A building element and a method and apparatus for manufacturing building elements using ionisation and ultra-sonic means | |
| JPS61174900A (en) | Oscillating system member for electro-acoustic transducer | |
| JP2939661B2 (en) | Metal wood golf club head | |
| JPS60206626A (en) | Method of filling gap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |