KR20040066536A - Production technology of materials to prevent noise between layers - Google Patents

Abstract

PURPOSE: A technique for manufacturing materials for preventing noise between floors is provided to improve water-tolerance and solidity lacked in the existing materials for prevention of noise between floors, by layering or attaching a film layer with the excellent water-tolerance and solidity after manufacturing a non-woven layer having an excellent noise preventing function. CONSTITUTION: The technique for manufacturing materials for preventing noise between floors comprises a water-tolerance film upper layer(1) for preventing water from percolating and a lower layer(2) having the function of preventing noise, the lower layer(2) being a non-woven made of polyester, and the resin foaming layer used for the lower layer uses polypropylene(P.P), polyethylene(P.E), polyethylene terephthalate(P.E.T), polyvinyl chloride(P.V.C), polyolefin, polystyrene(P.S) foam.

Description

Production technology of materials to prevent noise between layers}

The present invention relates to an interlayer noise preventing material for improving the interlayer noise of a multi-family house. More specifically, the present invention relates to an interlayer noise prevention material that greatly improves the weak physical property of the water resistance deficiency of existing interlayer noise materials by stacking a material having a sound insulation and interlayer noise blocking function and a water resistant film. Recently, the prevalence of multi-family housing in Korea has increased significantly and has become a common residential type. Consumers 'desire for improving the living environment is increasing, and consumers' interest in inter-floor noise, especially in multi-family housing, is increasing. As a method for improving the above problems, a method of constructing a foam or other foam sheet in the middle layer when placing concrete on the floor is known, but the moisture of concrete when placing concrete thereon due to poor water resistance This penetrates the noise between layers and prevents the noise from falling down, and the hardness of the product decreases, causing cracks on the floor after curing. In order to prevent this, there is a separate film layer. Since the film is not in close contact with the interlayer noise absorbing material, moisture penetrates due to the film being taken or pushed during concrete pouring. Recently, the interlayer noise using high density waste tire chip is used to improve these disadvantages, but it is difficult to install due to its heavy weight, and the unit of material is limited to 1M X 1M size, so there are many boundary areas in construction, so it is necessary to connect them one by one. There is a disadvantage, and this gap reduces the noise protection between layers.

The present invention is to improve the problems of the conventional materials as described above, after manufacturing the non-woven fabric layer excellent in interlayer noise prevention function and laminated or attached to the film layer excellent in water resistance and hardness to overcome the lack of water resistance and hardness of the existing interlayer noise prevention material. The present invention relates to an improved interlayer noise reduction material.

1: Interlayer noise prevention material whose upper layer is moisture impermeable film layer and lower layer is nonwoven fabric layer.

2: interlayer noise prevention material, the upper layer is a moisture impermeable film layer and the lower layer is a resin foam layer,

Fig. 3: Interlayer noise prevention material in which the upper layer and the lowest layer are moisture impermeable film layers and the lower layer is a nonwoven fabric layer.

Fig. 4: Interlayer noise prevention material in which the upper layer and the lowest layer are moisture impermeable film layers and the lower layer is a resin foam layer.

Fig. 5: Interlayer noise prevention material wherein the upper layer is a moisture impermeable film layer, the lower layer is a resin foam layer, and the lowest layer is a nonwoven fabric layer.

FIG. 6: Interlayer noise preventing material wherein the uppermost layer is a moisture impermeable film layer and the lower layer is an inorganic glass fiber or rock wool.

Explanation of symbols for the main parts of the drawings

(1) top layer, (2) bottom layer, (3) bottom layer 2, (4) bottom layer

It is made of polypropylene (PP) polyethylene (PE) polyethylene terephthalate (PET) polyvinyl chloride (PVC) polyolefin with excellent water resistance in the lower layer 2 and the upper layer 1 of the interlayer noise preventing performance of the present invention. do. When the film is applied to the upper layer, the water resistance of the interlayer prevention material is increased to protect the material from the moisture of the concrete during construction, and the hardness of the concrete contact surface is raised to prevent cracking during concrete curing. The interlayer noise prevention material is characterized in that the non-woven fabric layer composed of the lower layer (2) is composed of polyester, and the noise prevention material has an ideal density in consideration of the indentation amount due to the load during concrete curing. Sufficient performance can be achieved by installing only the interlayer noise prevention material without the need for a separate insulation. The interlayer noise prevention material having improved water resistance of the present invention can be produced in a roll form, thereby improving inconvenience of construction of an existing material manufactured in a plate shape. 1 is a layered noise prevention material having a general structure suitable for a general apartment house to manufacture a finished product by laminating a water-resistant film upper layer (1) on the interlayer noise prevention function non-woven lower layer (2). The manufacturing process first forms a lower layer 2 in the form of a mat made of a nonwoven fabric (explaining a polyester nonwoven fabric manufacturing process). The water-resistant film upper layer (1) is laminated or laminated on top of the lower layer (2). The laminated plywood method is a coating of a film material using a known method such as knife coat, reverse coater, bar coat, screen coat, and the like, A method of sufficiently gelling using a gelling drum or an oven at 140 to 170 ° C, a method of rolling a water resistant film in a calendar, or a method of heating plywood a sheet extruded in a die (T) die may be used. FIG. 2 is a layered noise prevention material having a general structure suitable for a general apartment house, and manufacturing a finished product by laminating a water-resistant film upper layer 1 on an interlayer noise preventing resin foam lower layer 2. At this time, the resin foam layer is used polypropylene (P.P) polyethylene (P.E) polyethylene terephthalate (P.E.T) polyvinyl chloride (P.V.C) polyolefin, polystyrene (P.S) foam. 3 and 4 are manufactured by attaching a film to the bottom layer in the structure of Figures 1 and 2 to enhance the hardness and water resistance of the product. 5 is a water-resistant upper layer (1) in the lower layer (2) to configure the resin foam layer and the non-woven layer continuously to produce an interlayer noise prevention material having a high effect of both light impact sound and heavy impact sound. FIG. 6 is an interlayer noise prevention material suitable for high performance interlayer noise prevention of a general multi-unit house, and the lower layer of the interlayer noise prevention function 2 uses glass or rock wool having excellent sound insulation or noise prevention between layers, and laminates a water resistant film sublayer 1. Manufacture the finished product. The interlaminar noise prevention material according to the present invention can be produced not only in the sheet-like flooring material as described, but also in a plate-shaped material.

Examples and Comparative Examples

Hereinafter, the present invention will be described through specific examples and comparative examples.

Example 1

The interlayer noise prevention material of the plywood structure shown in FIG. 1 was manufactured by a conventional method, but the lower layer 2 was made by laminating a polyethylene film 0.3 mm with a 10 mm thick polyethylene nonwoven fabric.

Example 2

While manufacturing the interlayer noise preventing material of the plywood structure shown in Figure 2 in a conventional manner,

Lower Layer (2) Polyvinyl Claroid (PVC) Foam 6 mm thick upper layer (1) polyethylene film was prepared by laminating. In Fig. 2-1, a 0.3 mm bottom layer 4 containing glass fibers impregnated with polyvinyl chloride, a 6 mm thick bottom layer 2 of polyvinyl chloride (PVC) foam, and a 0.3 mm top layer 1 of polyethylene film are laminated. It was prepared by.

Example 3

The interlaminar noise prevention material of the plywood structure shown in Figure 3 is produced by a conventional method,

Lower layer (2) Polyethylene nonwoven fabric 0.3 mm of polyethylene film was laminated | stacked on the upper layer (1) and the lowest layer (4) by 10 mm thickness.

Example 4

The interlaminar noise prevention material of the plywood structure shown in Figure 4 is prepared by a conventional method,

Lower layer (1) Polyvinyl claroid (PVC) foam 6 mm thick, the upper layer (2) and the lower layer (4)

0.3 mm of polyethylene film was laminated.

Example 5

Although the interlayer noise prevention material of the plywood structure shown in Figure 5 is manufactured by a conventional method,

Polyvinyl claroid (PVC) foam 4mm thick lower layer (2) polyethylene nonwoven fabric 6mm thick lower layer 2 (3) was continuously laminated and the upper layer (1) was prepared by laminating a polyethylene film 0.3mm

Example 6

The interlaminar noise prevention material of the plywood structure shown in Figure 6 is produced by a conventional method,

Lower layer (2) Glass fiber 10mm thick upper layer (1) was prepared by laminating 0.3mm polyethylene film

Comparative Example 1

Lower layer 2 used in Example 1 Polyethylene nonwoven fabric 10 mm thick and the upper layer

Not laminated.

Comparative Example 2

Lower layer 2 used in Example 2 Polyvinyl claroid (PVC) foam The upper layer was not laminated to a thickness of 6 mm.

Table 1 shows the heat resistance test results of the Examples and Comparative Examples.

Item Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Comparative Example 1 Comparative Example 2 Material impact sound reduction average (dB) 16 7 15 7 18 19 14 6 Water resistance Excellent (weight less than 1% increase) Excellent (weight less than 1% increase) Excellent (weight less than 1% increase) Excellent (weight less than 1% increase) Excellent (weight less than 1% increase) Excellent (weight less than 1% increase) 5% more weight Normal (weight 1-5% increase) Material shock sound reduction average after waterproofing (dB) 16 6 15 7 17 19 6 5 Indentation amount (mm) 16 12 15 10 14 10 28 21

Impact sound reduction test method: KS F 2810 Method for measuring impact sound on the floor of a building

Water resistance test: After placing a sponge moistened with water on the top of 50 x 50 of the same size, wipe the surface after 24 hours and measure the change in weight.

Indentation Volume: KSM 3802 (1997)

As shown in Table 1, Examples 1 to 6 to which the water-resistant film was applied to the upper layer had better water resistance and less indentation compared to Comparative Examples 1 to 2 without applying the water-resistant film to prevent interlayer noise due to load after construction. It is effective in preventing cracks due to the low deformation of ash. In addition, as a result of confirming the effect of reducing the actual impact sound, the physical properties of the material itself are similar, but since the penetration of moisture is prevented after the actual construction, there is no deterioration of the interlayer noise prevention performance.

As described through the above Examples and Comparative Examples, by applying a water-resistant film having the water resistance and strength of the upper layer of the interlayer noise suppression agent according to the present invention, it is excellent in water resistance according to the construction of concrete or mortar at the time of construction site and less indentation amount It is effective in preventing cracks and excellent in preventing noise between floors.

Claims (10)

An interlayer noise prevention material in which a lower layer (2) of noise prevention function and a water resistant film upper layer (1) for preventing moisture penetration are laminated to prevent interlayer noise. The interlayer noise prevention material according to claim 1, wherein the lower layer (2) of the noise suppression function is laminated with a nonwoven fabric made of polyester. The resin foam layer used for the lower layer 2 of the noise suppression function is polypropylene (PP) polyethylene (PE) polyethylene terephthalate (PET), polyvinyl chloride (PVC), polyolefin, polystyrene (PS). Interlayer noise prevention material using foam. The interlayer noise prevention material according to claim 1, wherein the inorganic material used for the lower layer (2) of the noise prevention function is made of glass fiber or rock wool. The method of claim 1, wherein the upper layer (1) film used for preventing moisture penetration is water-resistant polypropylene (PP) polyethylene (PE) polyethylene terephthalate (PET), polyvinyl chloride (PVC), polyolefin, polystyrene Interlayer noise prevention material. The method of claim 1, wherein the plywood method in the plywood between the interlayer noise preventing lower layer (2) and the water resistant film is an interlayer noise preventing material in which the water resistant film is thermally laminated to the material of the lower layer (2). The method according to claim 1, wherein in attaching the interlayer noise preventing bottom layer (2) and the water resistant film, the plywood method attaches the water resistant film to the bottom layer (2) by hot-melting or after coating on the bottom layer (2) using a sol casting method. Interlayer noise prevention material The method of claim 1, wherein in attaching the interlayer noise preventing bottom layer and the water-resistant film, the plywood method is an interlayer noise preventing material in which the water-resistant film is attached to the material of the lower layer 2 by using an adhesive at room temperature or by heating. 3. The interlayer noise preventing material according to claim 2, wherein the resin layer is impregnated with glass fibers in the lower layer (4) to constitute the lower layer (4). 4. The composite structure of the lower layer 2 (3) according to claim 3, wherein in forming the interlayer noise preventing lower layer (2), two or more kinds of the lower layer (2) materials of claims 2, 3, and 4 are sequentially stacked, regardless of the order. Interlayer noise prevention material