JPH11131625A - Building material having soundproof and damping characteristic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To sufficiently absorb and damp floor shock sound or living sound by providing a building material having soundproof and damping characteristics, which includes a cell structure such as honeycomb, a roll core or the like, and a nonwoven fabric as a nucleus. SOLUTION: A building material which has a four-layer structure and soundproof and damping characteristics is constituted of a honeycomb structure 1, a nucleus 3 which is a nonwoven fabric sheet material, and soundproof and damping materials 5 provided on the surface and back of the nucleus, respectively. Accordingly, floor shock sound or living sound can be sufficiently absorbed and damped by providing the building material having soundproof and damping characteristic, which includes a honeycomb structure 1 and a non-woven fabric 2 as the nucleus. One of the soundproof and damping materials 5 is a soundproof and damping material having asphalt as a base material, and the other thereof is formed by a polyvinyl chloride sound insulation sheet. Accordingly, the property of asphalt can be sufficiently utilized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building material having soundproofing and vibration suppression characteristics.

[0002]

2. Description of the Related Art Conventional panels having soundproofing and vibration suppression characteristics,
The following technical documents are listed as building materials. (1)
JP-A-5-9987 fireproof and soundproof panel, (2) JP-A-1-13704
No. 4 sound insulation panel, and (3) a sandwich structure using a hollow core material disclosed in Japanese Patent Application Laid-Open No. 8-156150 and a method for producing the same.

[0003] The content of the above-mentioned document is that the invention of (1) relates to a metal front and back material having a sheet-like nonwoven fabric adhered to the inner surface, and a lightweight aggregate provided between the front and back materials by synthetic resin foaming. It is characterized by comprising a core material composed of a foamed layer bound by a body and a lead layer provided between the foamed layers. In the invention of (2), three plates are arranged in parallel to form two spaces, one of which is a honeycomb core made of paper or aluminum,
Alternatively, a cell structure such as a roll core is disposed so that the direction of high rigidity of the cell structure is parallel to the plate, and a porous sound absorbing material such as glass wool or urethane resin foam is disposed in the other space. It is characterized by comprising. The invention of (3) is a laminated structure having a honeycomb structure, which is used for building materials and vehicle members. The front surface, the back surface, and the back surface of a hollow core material made of an elastomer are respectively surfaced by two surface materials. , Characterized in that the hollow core material is a sandwich.

[0004]

The above-mentioned documents (1) to (3) each use a honeycomb structure as a core of the structure, and the air filled in a hollow core of the honeycomb structure is not used. It is a structure that exhibits a sound absorbing effect by a layer (air layer). Therefore, soundproofing, sound insulation and the like are likely to depend on the sound absorption of the air layer, and it is considered that the soundproofing and the like are not necessarily sufficient for the impact sound and the like.

[0005] From the above, the above references (1) to (3)
There is still room for improvement in building materials such as flooring and wall materials that require soundproofing and vibration control. Therefore, there is a strong demand for a construction material having soundproofing and vibration-damping properties that is easy to use and that has low-cost soundproofing and damping properties. In particular, floor impact sound such as weight and weight (referred to as floor impact sound)
At present, there is a demand for building materials having soundproofing / damping properties that are useful for soundproofing and soundproofing of daily sounds such as human voices, televisions, stereos, etc. generated in daily life.

[0006]

SUMMARY OF THE INVENTION The present invention provides a building material having a soundproofing and vibration-damping property having a cell structure such as a honeycomb or a roll core and a non-woven fabric as a core, and sufficiently reducing a floor impact sound or a living sound. It is intended to have a configuration capable of absorbing sound and damping.

A four-layer structure comprising a core made of a cell structure such as a honeycomb or a roll core and a non-woven sheet material, and soundproofing / damping materials provided on the front and back of the core, respectively. It is a building material with soundproofing and vibration control characteristics.

The present invention also contemplates a building material having soundproofing and vibration-damping properties that makes it possible to make full use of the properties of each member or to provide easy handling and low cost.

A second aspect of the present invention provides a soundproofing / damping material having asphalt as a base material for one of the soundproofing / damping materials, and a sound insulating sheet having a polyvinyl chloride base material for the other.
It is a building material with vibration damping properties.

[0010] The present invention contemplates a building material having soundproofing and vibration-damping properties that can make full use of the properties of asphalt (bituminous substances) or that can be provided easily at low cost.

According to a third aspect of the present invention, there is provided a building material having soundproofing and vibration-damping properties, wherein the soundproofing and vibration-damping material is made of asphalt as a base material.

The present invention intends to make full use of a commercially available sound insulating sheet based on polyvinyl chloride, or to provide a building material having soundproofing and vibration damping properties that can be easily handled and provided at low cost.

According to a fourth aspect of the present invention, there is provided a building material having soundproofing and vibration-damping properties, wherein the soundproofing and damping material is a sound-insulating sheet made of polyvinyl chloride as a base material.

An object of the present invention is to clarify numerical values for implementing the first aspect of the present invention.

According to a fifth aspect of the present invention, the honeycomb structure or the roll core structure material is about 5.0 mm to 8.0 mm, and the nonwoven fabric sheet material is about 2.5 mm to 8.0 mm.
It is a building material with soundproofing / damping properties consisting of 5.0mm and soundproofing / damping material of about 1.0mm ~ 3.0mm.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the example shown in FIG. 1, a core made of a honeycomb structure or a roll core structure material and a nonwoven fabric sheet (hereinafter referred to as a core) is formed on the back of a wooden flooring material. A four-layer building material with soundproofing and vibration damping materials will be provided.
The purpose is to apply the shock applied to the flooring to the first soundproofing / damping material, for example, asphalt-based vibration damping / sound insulation material (mixing inorganic / organic materials in asphalt-based sheet) The impact sound is subsequently absorbed using the core air layer. As described above, sound insulation / damping can be achieved by utilizing the characteristics of the respective members having different wavelengths (frequency) of sound absorption, and the remaining sound can be removed to the utmost. Therefore, soundproofing and vibration suppression effects can be achieved reliably and efficiently. After that, the sound is absorbed by the PVC sound insulation sheet to achieve the final soundproofing and vibration suppression.For example, this laminated and integrated structure reduces the floor impact sound, reduces the sound insulation, or absorbs the sound. Can be achieved simultaneously. It should be noted that the present invention having such a structure has features that are useful for securing a good feeling of walking on the floor and eliminating floor noises (such as squeaking noise) or sinking of the floor as side effects.

Further effects can be expected if a viscoelastic vibration damping adhesive is used as the adhesive. For example, there is the following configuration example. That is, about 30% to 70% of an acrylate copolymer resin (concentration 65%) as an adhesive emulsion, and about 70% to 30% of talc, mica, and stone powder as mineral powder.
% By kneading. One preferred example of the ratio is
About 40% adhesive emulsion, about 60% mineral powder
And

[0018]

FIG. 1 shows an example in which a honeycomb structure 1 (one example of a cell structure such as a honeycomb or a roll core) and a nonwoven fabric sheet material 2 are provided on a core 3 and on the front and back of the core 3, respectively. It is a building material having a four-layer structure of soundproofing / damping properties composed of the soundproofing / damping materials 4 and 5 provided in this example. In this example, the upper soundproofing / damping material 4 is made of an asphalt base material. The lower soundproofing / damping material 5
Is composed of a PVC sound insulation sheet.

Hereinafter, preferred examples of each member will be described.
The honeycomb structure 1 is made of, for example, water-resistant paper (an example), and is intended to improve a water-resistant function, strength, and the like. In addition, asphalt-based soundproofing / damping material 4 of the soundproofing / damping material 4 includes inorganic /
A sheet material obtained by kneading and sheeting an organic or other material (for example, a metal powder, a metal granule material) is used. Further, the PVC sound insulation sheet of the soundproofing / damping material 5 utilizes water resistance, elasticity, insulation and the like. As described above, there is a feature that the water resistance effect is utilized to avoid elimination and wetting of water when used for flooring, and to reduce costs.

The numerical values are as follows: the honeycomb structure 1 is about 5.0 mm to 8.0 mm, and the nonwoven fabric sheet material 2 is about 2.5 mm to 5.0 mm.
mm, the soundproofing / damping materials 4 and 5 are about 1.0 mm to 3.0 mm, desirably about 6.0 mm, the nonwoven sheet material 2 is about 3.0 mm, the soundproofing / damping materials 4 and 5 are about 1.5 mm, Is used to construct a building material with soundproofing and vibration suppression properties. This numerical value is a configuration example suitable as a floor material.

The honeycomb structure 1, the nonwoven fabric sheet material 2, and the soundproofing / vibration damping materials 4, 5 are respectively thermocompression-bonded using the adhesive material 6, for example. Usually, a commercially available adhesive is used. However, in order to further improve the object of the present invention, for example, a viscoelastic vibration damping adhesive may be used.

FIG. 3 shows a concrete slab according to the invention.
FIG. 4 shows an example of a configuration in which an iron plate (steel material), a board, and other members are directly attached to a base component 7. FIG. 4 shows an example of a configuration in which a joist and a board, a beam, and other members are attached to a floor component 7 a. 5 is used as an example of a configuration in which the present invention is applied to a floor component 7b such as a joist or board of a double floor or another member. Reference numeral 7c denotes a flooring such as a flooring, a wooden building material, and other flooring materials. In the figure, 8 is a support leg, 9 is a nail (fixing tool).
Is shown.

FIG. 6 shows a configuration example in which the present invention is used as a wall material 10. In addition, the invention is useful as a building material (member) such as a door material 11 and a partition material (not shown).

[0024]

According to the first aspect of the present invention, there is provided a soundproofing / damping material having a four-layer structure in which a soundproofing / damping material is provided on the front and back of a cell structure such as a honeycomb or a roll core and a core made of a nonwoven sheet material. It is a building material with vibration characteristics. Accordingly, it is possible to provide a building material having soundproofing and vibration-damping properties having a cell structure such as a honeycomb or a roll core and a nonwoven fabric as a core,
It has such a feature that it has a structure capable of sufficiently absorbing and damping a floor impact sound or a living sound to provide an optimal living environment. In addition, there are features such as securing a good feeling of walking on the floor and helping to eliminate floor noise or sinking of floor, which is a drawback of the conventional hard wood-based building materials.

According to a second aspect of the present invention, there is provided a construction material having soundproofing and vibration-damping properties, wherein one of the soundproofing and vibration-damping materials is a soundproofing and vibration-damping material based on asphalt, and the other is a PVC sound-insulating sheet. It is. Therefore, there is a feature that it is possible to provide a building material which is easy to handle and has low cost soundproofing and vibration damping characteristics.

According to a third aspect of the present invention, there is provided a building material having soundproofing and vibration-damping properties, wherein the soundproofing and vibration-damping material is made of asphalt as a base material. Therefore, there are features such as the ability to make full use of the properties of asphalt and the like, and the ability to provide a building material that is easy to handle and has low cost soundproofing and vibration damping properties.

According to a fourth aspect of the present invention, there is provided a building material having a soundproofing / damping property, wherein the soundproofing / damping material is a polyvinyl chloride sound insulating sheet. Therefore, it is possible to make full use of the characteristics of a commercially available PVC sound insulation sheet, or to provide a building material having easy-to-handle and low-cost sound insulation and vibration damping properties,
And so on.

According to a fifth aspect, the honeycomb structure has a thickness of about 5.0 mm or less.
8.0, non-woven sheet material is about 2.5mm-5.0, and soundproofing / damping material is about 1.0mm-3.0. Therefore, numerical values for implementing the invention of claim 1 can be clarified.

[Brief description of the drawings]

FIG. 1 is a cross-sectional perspective view of a main part illustrating an example of the present invention.

FIG. 2 is a perspective view of an essential part for explaining an example used for a building.

FIG. 3 is a partially cutaway perspective view illustrating an example of direct attachment.

FIG. 4 is a partially cutaway perspective view illustrating an example of floor bonding.

FIG. 5 is a partially cutaway perspective view for explaining an example of double flooring.

FIG. 6 is a perspective view of an essential part for explaining an example used for a wall material.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Honeycomb structure 2 Nonwoven fabric sheet material 3 Core body 4 Soundproofing / damping material 5 Soundproofing / damping material 6 Adhesive 7 Base constituent material 7a Floor constituent material 7b Floor constituent material 7c Floor material 8 Support leg 9 Nail 10 Wall material 11 Door material

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification symbol FI E04B 1/98 E04B 1/98 J E04F 15/00 601 E04F 15/00 601G 15/18 601 15/18 601B

Claims (5)

[Claims] 1. A four-layered soundproofing / damping material comprising a core made of a cell structure such as a honeycomb or a roll core and a nonwoven sheet material, and soundproofing / damping materials provided on the front and back of the core, respectively. Building materials with vibration damping properties. 2. The soundproofing / damping material according to claim 1, wherein one of said soundproofing / damping materials is a soundproofing / damping material based on asphalt and the other is a sound insulating sheet based on polyvinyl chloride. Building materials with soundproofing and vibration control characteristics. 3. The building material with soundproofing / damping characteristics according to claim 1, wherein said soundproofing / damping material is a soundproofing / damping material based on asphalt. 4. The soundproofing / damping material according to claim 1, wherein said soundproofing / damping material is a soundproofing sheet based on polyvinyl chloride.
Building materials with vibration damping properties. 5. The cell structure such as the honeycomb or the roll core is about 5.0 mm to 8.0 mm, and the nonwoven sheet material is about 2.5 mm to
2. The building material having soundproofing and vibration-damping characteristics according to claim 1, wherein the building material has a soundproofing and vibration-damping material of about 1.0 mm to 3.0 mm.