JPH06903A - Deep drawable lightweight soundproofing material - Google Patents
Deep drawable lightweight soundproofing materialInfo
- Publication number
- JPH06903A JPH06903A JP3077188A JP7718891A JPH06903A JP H06903 A JPH06903 A JP H06903A JP 3077188 A JP3077188 A JP 3077188A JP 7718891 A JP7718891 A JP 7718891A JP H06903 A JPH06903 A JP H06903A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- integrated
- honeycomb plate
- soundproofing material
- felt
- 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
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Laminated Bodies (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、軽量防音材に関し、詳
細には防音材自体の重量を軽減し、更に激しい凹凸にも
追従し得る、深絞り成形性にも優れた軽量防音材に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lightweight soundproofing material, and more particularly to a lightweight soundproofing material which is excellent in deep drawability and which can reduce the weight of the soundproofing material itself and can follow severe irregularities.
【0002】[0002]
【従来の技術】従来より、例えば、自動車用の天井材と
しては、フェルトを単独でもしくは不織布表皮材と一体
化して加圧成形した成形天井材が使用されている。また
近時、ハニカム板1をフェルト2によって挾置し、不織
布表皮材7と一体化して加熱加圧成形してなる成形天井
材が製造されている。2. Description of the Related Art Conventionally, as a ceiling material for automobiles, for example, a molded ceiling material has been used in which a felt is singly or integrally molded with a non-woven fabric skin material and pressure-molded. In addition, recently, a molded ceiling material has been manufactured in which the honeycomb plate 1 is placed with the felt 2 and is integrated with the non-woven fabric skin material 7 to be heated and pressed.
【0003】しかしながら、フェルト単独の成形天井材
では、深絞り成形性こそ優れるが、吸音性、剛性共に満
足な性能は得られなかった。また、ハニカム板1をフェ
ルト2によって挾置し、不織布表皮材7と一体化した成
形天井材は、優れた吸音性と剛性を有するものの防音材
自体の重量が増加するという欠点があった。However, although the molded ceiling material made of only felt is excellent in deep-drawing formability, satisfactory performance in sound absorption and rigidity cannot be obtained. Further, the molded ceiling material in which the honeycomb plate 1 is sandwiched by the felt 2 and integrated with the non-woven fabric skin material 7 has the drawback that the weight of the soundproof material itself is increased although it has excellent sound absorption and rigidity.
【0004】[0004]
【発明が解決しようとする課題】本発明の課題は、自動
車重量の一層の軽量化を顕現すべく、防音材重量を軽量
化しつつ、吸音性、剛性にも優れ、更には優れた防音材
の深絞り成形性を実現する点にある。The object of the present invention is to reduce the weight of the soundproofing material in order to further reduce the weight of the vehicle, and at the same time, the soundproofing material is excellent in sound absorbing property and rigidity. The point is to achieve deep drawability.
【0005】[0005]
【課題を解決するための手段】かかる課題を解決せんと
して、本発明者らは鋭意研究の結果、ハニカム板1を挾
置するフェルト2の片面を樹脂綿4及び表皮層5に代え
たものであり、しかして本発明の要旨は、以下の諸項目
に存する。In order to solve the above problems, the inventors of the present invention have conducted intensive studies and found that one side of the felt 2 on which the honeycomb plate 1 is placed is replaced with a resin cotton 4 and a skin layer 5. Therefore, the gist of the present invention lies in the following items.
【0006】ハニカム板1の片方の面をフェルト2、不
織布表皮材7と一体化し、他の一方の面は吸音層3を介
して熱硬化性樹脂を含浸した樹脂綿4、表皮層5と一体
化してなることを特徴とする深絞り可能な軽量防音材。One side of the honeycomb plate 1 is integrated with the felt 2 and the non-woven skin material 7, and the other side is integrated with the resin cotton 4 and the skin layer 5 impregnated with the thermosetting resin through the sound absorbing layer 3. A lightweight soundproof material that can be deep-drawn because it is made into a material.
【0007】樹脂綿4と表皮層5を一体化後、熱硬化性
樹脂中に含浸、乾燥せしめた後に使用してなることを特
徴とする深絞り可能な軽量防音材。A lightweight soundproof material capable of deep drawing, characterized in that it is used after the resin cotton 4 and the skin layer 5 are integrated, impregnated in a thermosetting resin and dried.
【0008】表皮層5として紙、ガラスマット、ガラス
ペーパーを用いてなることを特徴とする深絞り可能な軽
量防音材。A lightweight soundproof material capable of deep drawing, characterized in that paper, glass mat, and glass paper are used as the skin layer 5.
【0009】ハニカム板1の少なくとも片面に予め接着
剤を塗布してなることを特徴とする深絞り可能な軽量防
音材。A light-weight soundproofing material capable of deep drawing, characterized in that at least one surface of the honeycomb plate 1 is coated with an adhesive in advance.
【0010】本発明の必須構成成分である樹脂綿4と
は、樹脂製繊維を軽く圧縮成形したものであり、ポリエ
ステル系、ポリアミド系、ポリビニルアルコール系、ポ
リ塩化ビニル系繊維が例示できる。The resin cotton 4, which is an essential constituent of the present invention, is a resin fiber lightly compression-molded, and examples thereof include polyester fibers, polyamide fibers, polyvinyl alcohol fibers, and polyvinyl chloride fibers.
【0011】表皮層5としては、フェルトの使用時に比
べて重量の軽減ができることを必須とし、形状保持性、
表面補強の機能を併せて有するものが良く、ガラスペー
パー、ガラスマット、紙等が例示できる。As the skin layer 5, it is indispensable that the weight can be reduced as compared with the case where the felt is used.
It is preferable that it also has a surface reinforcing function, and examples thereof include glass paper, glass mat, and paper.
【0012】樹脂綿4と表皮層5は、予め熱硬化性樹脂
を含浸していることを必須とする。熱硬化性樹脂は、フ
ェノール樹脂、ポリエステル樹脂、ウレタン樹脂、メラ
ミン樹脂、パラフィン樹脂等であり、含浸方法として
は、浸漬または塗布が好ましい。樹脂綿の熱硬化性樹脂
含浸量は、ハニカム板1との接着を確実なものとするだ
けの量を必要とし、樹脂綿重量の1〜100%程度が好
ましく、ハニカム板1のセルへの接着剤塗布の有無によ
り含浸量を選択すれば良い。It is essential that the resin cotton 4 and the skin layer 5 are impregnated with a thermosetting resin in advance. The thermosetting resin is a phenol resin, a polyester resin, a urethane resin, a melamine resin, a paraffin resin or the like, and the impregnation method is preferably dipping or coating. The thermosetting resin impregnation amount of the resin cotton needs to be an amount that ensures the adhesion with the honeycomb plate 1, and is preferably about 1 to 100% of the weight of the resin cotton, and the adhesion of the honeycomb plate 1 to the cells. The amount of impregnation may be selected depending on whether or not the agent is applied.
【0013】ハニカム板1は、クラフト紙、Kライナー
紙、ボール紙等の紙質材やプラスチックをハニカム構造
にしたものが成形性の点で好ましい。The honeycomb plate 1 is preferably made of a paper material such as kraft paper, K-liner paper, cardboard or the like or a plastic material having a honeycomb structure in terms of formability.
【0014】ハニカム板1の一方の面に一体化するフェ
ルト2は、動物性、植物性、合成樹脂性の不連続繊維材
料の一種もしくは二種以上と熱硬化性樹脂等の結合剤を
主体としてなるものである。The felt 2 integrated with one surface of the honeycomb plate 1 is mainly composed of one or more discontinuous fiber materials of animal, vegetable and synthetic resin and a binder such as thermosetting resin. It will be.
【0015】不織布表皮材7はフェルト4と同様の材料
からなる薄葉状の不織布の使用が好ましい。As the non-woven fabric skin material 7, it is preferable to use a thin leaf-like non-woven fabric made of the same material as the felt 4.
【0016】樹脂綿4とハニカム板1の間に挾置する吸
音層3は、従来から用いられていたフェルトの半分程度
の厚みのものやポリスチレン、ポリプロピレン、ポリウ
レタン等のフォーム材を用いる。The sound absorbing layer 3 placed between the resin cotton 4 and the honeycomb plate 1 is made of a material having a thickness of about half that of a conventionally used felt or a foam material such as polystyrene, polypropylene or polyurethane.
【0017】各構成材料の面密度は、熱硬化性樹脂の含
浸状態で、表皮層5は30〜150g/m2 、樹脂綿4
は30〜100g/m2 であり、また吸音層3は50〜
500g/m2 、従来より使用されているフェルト2は
350〜1000g/m2 程度である。The surface density of each constituent material is 30 to 150 g / m 2 for the skin layer 5 in the impregnated state of the thermosetting resin, and the resin cotton 4
Is 30 to 100 g / m 2 , and the sound absorbing layer 3 is 50 to
500 g / m 2, felt 2 that has been conventionally used is about 350~1000g / m 2.
【0018】ハニカム板1と吸音層3またはフェルト2
との接着は、特に接着剤を塗布することなく加熱加圧成
形するのみでも良いが、ハニカム板1のセルに予めホッ
トメルト又は塗布型接着剤6を用いることは、接着をよ
り強固とする点で好ましい。Honeycomb plate 1 and sound absorbing layer 3 or felt 2
Bonding with the adhesive may be performed only by heating and pressurizing without applying an adhesive, but using hot melt or the application adhesive 6 in advance in the cells of the honeycomb plate 1 makes the adhesion stronger. Is preferred.
【0019】かかる各構成材料を一体成形する方法とし
ては、例えば、フェルト2と不織布表皮材7の一体化物
をハニカム板1の一方の面に設け、他方の面には樹脂綿
4と表皮層5を一体化したものを吸音層3を介して設け
ることによりハニカム板1を挾置した場合、140〜2
50℃で30秒〜2分間、1〜200kg/cm2 の条
件が好ましい。As a method of integrally molding each of the constituent materials, for example, an integrated product of the felt 2 and the non-woven fabric skin material 7 is provided on one surface of the honeycomb plate 1, and the resin cotton 4 and the skin layer 5 on the other surface. In the case where the honeycomb plate 1 is placed with the sound absorbing layer 3 being integrated with the
Conditions of 1 to 200 kg / cm 2 at 50 ° C. for 30 seconds to 2 minutes are preferable.
【0020】[0020]
【実施例】以下に実施例を挙げ本発明のより詳細な理解
に供する。当然のことながら本発明は以下の実施例のみ
に限定されるものではない。EXAMPLES The following examples are provided for a more detailed understanding of the present invention. Naturally, the invention is not limited to the following examples.
【0021】[0021]
【実施例1】ポリエステル系繊維からなる樹脂綿とガラ
スペーパー製の表皮層を一体化し、フェノール樹脂中に
含浸後、乾燥せしめ、一体化物Aとなした。ボール紙製
のハニカム板の一方の面に、500g/m2 の嵩高性不
織布と50g/m2 の不織布表皮材の一体化物を、他方
の面は250g/m2 のウレタンフォーム材を介して上
記一体化物Aを200℃で45秒、5kg/cm2 の条
件で加圧成形し、一体化せしめて防音材1を得た。Example 1 A resin cotton made of polyester fiber and a skin layer made of glass paper were integrated, impregnated in a phenol resin, and then dried to obtain an integrated product A. On one side of the cardboard of the honeycomb plate, the integrated product of the bulky nonwoven fabric and 50 g / m 2 nonwoven surface material of 500 g / m 2, the other surface through a urethane foam material 250 g / m 2 above The integrated product A was pressure-molded at 200 ° C. for 45 seconds under the condition of 5 kg / cm 2 and integrated to obtain a soundproofing material 1.
【0022】[0022]
【実施例2】ポリ塩化ビニル系繊維からなる樹脂綿とガ
ラスペーパー製の表皮層を一体化し、フェノール樹脂中
に含浸後、乾燥せしめ、一体化物Bとなした。ボール紙
製のハニカム板の一方の面に、500g/m2 の嵩高性
不織布と50g/m2 の不織布表皮材の一体化物を、他
方の面は250g/m2 のウレタンフォーム材を介して
上記一体化物Bを200℃で45秒、5kg/cm2 の
条件で加圧成形し、一体化せしめて防音材2を得た。Example 2 A resin cotton made of polyvinyl chloride fiber and a skin layer made of glass paper were integrated, impregnated in a phenol resin and then dried to obtain an integrated product B. On one side of the cardboard of the honeycomb plate, the integrated product of the bulky nonwoven fabric and 50 g / m 2 nonwoven surface material of 500 g / m 2, the other surface through a urethane foam material 250 g / m 2 above The integrated product B was pressure-molded at 200 ° C. for 45 seconds under the condition of 5 kg / cm 2 and integrated to obtain a soundproofing material 2.
【0023】[0023]
【比較例】ボール紙製のハニカム板の両面に嵩高性のフ
ェルトを200℃で45秒、5kg/cm2 の条件で加
圧成形し、一体化せしめて防音材3を得た。Comparative Example A soundproof material 3 was obtained by press-molding bulky felt on both sides of a cardboard honeycomb plate at 200 ° C. for 45 seconds under the condition of 5 kg / cm 2 and integrating them.
【0024】[0024]
【試験方法】防音材1〜防音材3の1m2当たりの重量
を測定し、吸音率を残響室法により測定した。[Test method] The weight per 1 m 2 of the soundproof material 1 to the soundproof material 3 was measured, and the sound absorption coefficient was measured by the reverberation chamber method.
【0025】[0025]
【結果】防音材1の重量は、1080g/m2 で、吸音
率は、0.5 (250Hz)であった。防音材2の重量
は、1085g/m2 で、吸音率は、0.5 (250H
z)であった。防音材3の重量は、1200g/m2
で、吸音率は、0.5 (250Hz)であった。Results: The weight of the soundproofing material 1 was 1080 g / m 2 , and the sound absorption coefficient was 0.5 (250 Hz). The weight of the soundproof material 2 is 1085 g / m 2 , and the sound absorption coefficient is 0.5 (250H
z). The weight of the soundproofing material 3 is 1200 g / m 2
The sound absorption coefficient was 0.5 (250 Hz).
【0026】[0026]
【発明の効果】本発明になる防音材は、満足な防音効果
を維持しつつ、軽量化をなし得たものである。EFFECTS OF THE INVENTION The soundproof material according to the present invention can achieve a light weight while maintaining a satisfactory soundproof effect.
【0027】[0027]
【図1】本発明になる防音材の断面図である。FIG. 1 is a sectional view of a soundproof material according to the present invention.
【図2】従来の防音材の断面図である。FIG. 2 is a cross-sectional view of a conventional soundproof material.
1 ハニカム板 2 フェルト 3 吸音層 4 樹脂綿 5 表皮層 6 接着剤 7 不織布表皮材 1 Honeycomb Plate 2 Felt 3 Sound Absorption Layer 4 Resin Cotton 5 Skin Layer 6 Adhesive 7 Nonwoven Fabric Skin Material
Claims (4)
布表皮材と一体化し、他の一方の面は吸音層を介して熱
硬化性樹脂を含浸した樹脂綿、表皮層と一体化してなる
ことを特徴とする深絞り可能な軽量防音材。1. One side of a honeycomb plate is integrated with felt and a non-woven fabric skin material, and the other side is integrated with resin cotton and skin layer impregnated with a thermosetting resin through a sound absorbing layer. A lightweight soundproof material that allows deep drawing.
脂中に含浸し、乾燥せしめた後に使用してなることを特
徴とする請求項1に記載の深絞り可能な軽量防音材。2. The light-weight soundproofing material capable of deep drawing according to claim 1, wherein the resin cotton and the skin layer are integrated and then impregnated in a thermosetting resin and dried. .
ペーパーを用いてなることを特徴とする請求項1に記載
の深絞り可能な軽量防音材。3. The deep-soundable lightweight soundproof material according to claim 1, wherein paper, glass mat, or glass paper is used as the skin layer.
剤を塗布してなることを特徴とする請求項1に記載の深
絞り可能な軽量防音材。4. The lightweight soundproofing material capable of deep drawing according to claim 1, wherein an adhesive is applied in advance to at least one surface of the honeycomb plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3077188A JPH0694182B2 (en) | 1991-03-18 | 1991-03-18 | Lightweight soundproof material that can be deep-drawn |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3077188A JPH0694182B2 (en) | 1991-03-18 | 1991-03-18 | Lightweight soundproof material that can be deep-drawn |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06903A true JPH06903A (en) | 1994-01-11 |
JPH0694182B2 JPH0694182B2 (en) | 1994-11-24 |
Family
ID=13626844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3077188A Expired - Fee Related JPH0694182B2 (en) | 1991-03-18 | 1991-03-18 | Lightweight soundproof material that can be deep-drawn |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0694182B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002059870A1 (en) * | 2001-01-23 | 2002-08-01 | Kasai Kogyo Co., Ltd. | Soundproof material for vehicle and method of manufacturing the material |
KR100686195B1 (en) * | 2006-04-14 | 2007-02-26 | 김기원 | Floor space noise prevention structure for apart and thereof |
CN101856998A (en) * | 2010-04-27 | 2010-10-13 | 常熟市汽车饰件有限公司 | Automotive trim panel |
CN103072530A (en) * | 2013-02-06 | 2013-05-01 | 芜湖环瑞汽车内饰件有限公司 | Automobile door panel sound insulation pad |
-
1991
- 1991-03-18 JP JP3077188A patent/JPH0694182B2/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002059870A1 (en) * | 2001-01-23 | 2002-08-01 | Kasai Kogyo Co., Ltd. | Soundproof material for vehicle and method of manufacturing the material |
US7080712B2 (en) | 2001-01-23 | 2006-07-25 | Kasai Kogyo Co., Ltd. | Soundproof material for vehicle and method of manufacturing the material |
KR100686195B1 (en) * | 2006-04-14 | 2007-02-26 | 김기원 | Floor space noise prevention structure for apart and thereof |
CN101856998A (en) * | 2010-04-27 | 2010-10-13 | 常熟市汽车饰件有限公司 | Automotive trim panel |
CN103072530A (en) * | 2013-02-06 | 2013-05-01 | 芜湖环瑞汽车内饰件有限公司 | Automobile door panel sound insulation pad |
Also Published As
Publication number | Publication date |
---|---|
JPH0694182B2 (en) | 1994-11-24 |
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