KR200403182Y1 - Member for preventing noise between the two floors - Google Patents

Abstract

The present invention is heat-sealed and laminated to the first foamed synthetic resin sheet 12, the aluminum foil 11, which can simultaneously realize the insulation and prevention of foreign matter penetration, the configuration and structure that can maximize the offset of the noise between layers, that is, perforation The second foamed synthetic resin sheet 14 having the holes 14a formed therein and the third foamed synthetic resin sheet 15 having the concave grooves 15a and the convex protrusions 15b are thermally fused and laminated, and then the first foamed synthetic resin is laminated. The adhesive composition is applied to the sheet 12 and the second foamed synthetic resin sheet 14 while the synthetic resin 13 having the diaphragm spaces 13a is adhered therebetween. It relates to an interlayer noise prevention material that can be reduced.

Description

Interlayer noise prevention material {MEMBER FOR PREVENTING NOISE BETWEEN THE TWO FLOORS}

The present invention relates to an interlayer noise preventing material, and more particularly, after the air transfer sound and the solid transfer sound, which are primarily offset by the first foamed synthetic resin sheet, are again blocked by the diaphragm spaces of the synthetic resin, the second foamed synthetic resin The sheet and the third foamed synthetic resin sheet is again removed, and relates to an interlayer noise preventing material that can realize both ease of manufacture with maximization of interlayer noise blocking.

In general, the building is constructed in the order of installing Styrofoam (EPS; Espanded PolyStyrene), lightweight foam concrete, on-duty piping and finishing mortar, and floor finishing materials on top of the slab.

In recent years, the research and development of materials to replace styrofoam and double insulation and sound absorption performance have been made steadily, and the interlayer noise based on EPP (Expanded PloyPropylene), EVA Foam (Ethylene Vinyl Acetate Foam), and PE Foam (PolyEthylene Foam) Prevention materials are commercially available.

However, the above products were made of a synthetic resin such as PP, EVA, PE of a simple structure had a disadvantage that can not effectively remove the interlayer impact sound.

Accordingly, the present invention was devised to solve the above disadvantages, and the object of the present invention is to block the air transfer sound and the solid transfer sound primarily offset by the first foamed synthetic resin sheet by the diaphragm spaces of the synthetic resin. After the second foamed synthetic resin sheet and the third foamed synthetic resin sheet is removed again to provide an interlayer noise prevention material that can realize the ease of production with the maximization of interlayer noise blocking.

The present invention for achieving the above object,

With aluminum foil,

A first foamed synthetic resin sheet heat-sealed to the aluminum foil,

A synthetic resin bonded to the first foamed synthetic resin sheet and having diaphragm spaces;

A second foamed synthetic resin sheet bonded to the synthetic resin and having perforated holes;

It is a basic feature of the technical configuration that comprises a third foamed synthetic resin sheet heat-sealed to the second foamed synthetic resin sheet having concave grooves and convex protrusions in the vertical direction.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings, and through these embodiments, the objects, features, and advantages of the present invention can be more easily understood.

1 is a cross-sectional view showing a building to which the interlayer noise preventing material 10 according to the present invention is applied, and reference numeral 25 denotes an interlayer noise preventing material for walls.

The interlayer noise preventing material 10 according to the present invention is set on the slab 24 as shown in FIG. 1, and the light concrete 23, the ondol piping and the finishing mortar 22, and the floor finisher 21 are placed thereon. It is proposed to more effectively block the interlayer noise of buildings, that is, air or solid transfer in the construction.

Air delivery sound refers to noise propagating through the air between layers to adversely affect the neighborhood, and solid delivery sound refers to noise propagating along the slab 24 by direct impact or friction between layers.

2a to 2c is a process chart showing a manufacturing method of the interlayer noise preventing material according to the present invention.

In the method for manufacturing the interlayer noise preventing material according to the present invention, as shown in FIGS. 2A to 2C, first, the aluminum foil 11 and the first foamed synthetic resin sheet 12 are thermally fused to be laminated (S10).

The aluminum foil 11 has a thickness of 30 to 50 μm so as to prevent direct loss of heat provided from the ondol pipe, and the first foamed synthetic resin sheet when the ondol pipe and the finishing mortar 22 and the light concrete 23 are constructed. In order to prevent infiltration of foreign substances that can penetrate into (12), the first foamed synthetic resin sheet 12 is manufactured with a thickness of 3 to 5 mm and a density of 0.02 to 0.05 g / cm 2, and is fine and uniform. It forms an independent bubble layer, and serves to primarily cancel air delivery and solid delivery.

Next, the second foamed synthetic resin sheet 14 having the perforated holes 14a and the third foamed synthetic resin sheet 15 molded to have the concave grooves 15a and the convex protrusions 15b in the vertical direction are opened. Fusion and lamination (S20).

The second foamed synthetic resin sheet 14 is made of a thickness of 5 ~ 10㎜ and a density of 0.02 ~ 0.067g / ㎠ and block the interlayer noise by the perforated holes (14a) with a fine and uniform independent bubble layer Further maximized, the third foamed synthetic resin sheet 15 is made of a thickness of 10 ~ 20㎜ and a density of 0.02 ~ 0.067g / ㎠ and the diameter of each of the concave groove (15a) and convex protrusion (15b) 2.5 ~ 20㎜ By providing a fine and uniform independent bubble layer of its own as well as the clearance space secured by the concave grooves 15a and the convex protrusions 15b, it is possible to more thoroughly ensure the cancellation of interlayer noise, in particular the convex protrusions ( The total thickness including 15b) is provided in the range of 10 to 20mm, so that the shock absorbing function can be more surely realized when the object is impacted.

After that, the adhesive is applied to the first foamed synthetic resin sheet 12 and the second foamed synthetic resin sheet 14, and then the synthetic resin 13 having the diaphragm spaces 13a is positioned therebetween, thereby adhering. Interlayer noise prevention material 10 can be completed (S30).

As a result, the air transfer sound and the solid transfer sound first offset by the first foamed synthetic resin sheet 12 are again blocked by the diaphragm spaces 13a of the synthetic resin 13 and then the second foamed synthetic resin sheet 14 And as the third foamed synthetic resin sheet 15 is removed again to realize the maximization of interlayer noise blocking.

At this time, the first foamed synthetic resin sheet 12, the second foamed synthetic resin sheet 14 and the third foamed synthetic resin sheet 15 may be made of polyethylene, ethylene vinyl acetate or polypropylene, the synthetic resin 13 is polypropylene It is preferable that it consists of.

Polyethylene is excellent in impact resistance, water resistance and cold resistance. Ethylene Vinyl Acetate is a kind of polyethylene resin, which is superior in flexibility and elasticity at room temperature than other polyethylene resins. Both foams provide a fine, uniform, independent bubble layer that is highly effective at blocking air and solids delivery, and is flexible to provide roll to roll and reel to reel. Therefore, the convenience of the manufacturing process can be taken together, and polypropylene (Polypropylene) has a physical property that is stronger than polyethylene, which can be advantageous in terms of obtaining flatness and firmness together when completing a product.

3A and 3B are perspective views including a cross section of the interlayer noise preventing material 10 according to the present invention.

The interlayer noise preventing material and the method of manufacturing the same according to the present invention open the first foamed synthetic resin sheet 12 with an aluminum foil 11 capable of simultaneously realizing insulation and prevention of foreign matter penetration as shown in FIGS. 3A and 3B. The second foamed synthetic resin sheet 14 having the perforated holes 14a and the concave grooves 15a and the convex protrusions 15b have a structure and structure capable of fusion bonding and maximizing the cancellation of interlayer noise. After the third foamed synthetic resin sheet 15 is heat-sealed and laminated, a synthetic resin body having diaphragm spaces 13a therebetween while applying an adhesive to the first foamed synthetic resin sheet 12 and the second foamed synthetic resin sheet 14. (13) It is made of a technical configuration to bond and complete, as well as ease in the manufacturing process, and it is possible to maximize the effect of interlayer noise blocking.

In particular, the third foamed synthetic resin sheet 15 has a plurality of gap spaces between the second foamed synthetic resin sheet 14 by the concave grooves 15a and the convex protrusions 15b along with its own fine and uniform independent bubble layer. It can be ensured to be bent to ensure a more thorough cancellation of the noise between the floors.

As described above, the interlayer noise preventing material according to the present invention may be confirmed in the test report of FIGS. 4A to 4F, and the air transfer sound and the solid transfer sound first offset by the first foamed synthetic resin sheet 12 are synthetic resins 13. The second foamed synthetic resin sheet 14 and the third foamed synthetic resin sheet 15 are then removed again by the diaphragm spaces 13a of the diaphragm space 13a, thereby maximizing the interlayer noise and providing ease of manufacturing. That has an excellent effect.

The first foamed synthetic resin sheet 12, the second foamed synthetic resin sheet 14, and the third foamed synthetic resin sheet 15 have excellent impact resistance, water resistance, and cold resistance, and when foamed, form a fine and uniform independent bubble layer. It can be made of polyethylene, ethylene vinyl acetate or polypropylene, which effectively blocks air delivery and solid delivery, and is flexible to supply roll-to-roll and reel-turil to take convenience in the manufacturing process. ) Is made of polypropylene, which has stronger physical properties than polyethylene and can maintain flatness and firmness when the product is finished, and it is advantageous to enjoy both convenience in manufacturing process and excellent noise blocking function between layers.

That is, the interlayer noise preventing material according to the present invention is laminated by heat-sealing the first foamed synthetic resin sheet 12 with aluminum foil 11, which can simultaneously realize insulation and prevention of foreign matter penetration, and maximize the offset of the interlayer noise. Structure and structure, that is, the second foamed synthetic resin sheet 14 having the perforated holes 14a and the third foamed synthetic resin sheet 15 having the concave grooves 15a and the convex protrusions 15b are heat-sealed and laminated. In addition, by applying a pressure-sensitive adhesive to the first foamed synthetic resin sheet 12 and the second foamed synthetic resin sheet 14 and then bonded to the synthetic resin 13 having a diaphragm space (13a) therebetween produced In addition to the ease of the process, there is an excellent effect that can be achieved together with the maximization of the noise canceling and blocking between layers.

More preferably, the third foamed synthetic resin sheet 15 is secured between the second foamed synthetic resin sheet 14 by the concave groove 15a and the convex protrusion 15b together with its own fine and uniform independent bubble layer. There is an advantage that the gap can be more thoroughly ensured the cancellation of the inter-layer noise.

As can be seen through the object, configuration and effect of the present invention as described above, the present invention heat-sealed and laminated the aluminum foil 11 to the first foamed synthetic resin sheet 12, which can simultaneously realize insulation and prevention of foreign matter penetration. Structure and structure capable of maximizing offset of interlayer noise, ie, second foamed synthetic resin sheet 14 having perforated holes 14a and third foamed synthetic resin sheet having concave grooves 15a and convex protrusions 15b (15) is thermally fused and laminated, and then the adhesive is applied to the first foamed synthetic resin sheet 12 and the second foamed synthetic resin sheet 14 while adhering the synthetic resin 13 having the diaphragm spaces 13a therebetween. It is the biggest core technology to be made of a technical configuration that is completed by making, the other changeable configurations are various cases [for example, in the present invention aluminum foil 11, the first foamed synthetic resin sheet 12, synthetic resin Sieve 13 2 Although the foamed synthetic resin sheet 14 and the third foamed synthetic resin sheet 15 are described in the up-and-down stacking order, the first foamed synthetic resin sheet 12, the synthetic resin 13, the second foamed synthetic resin sheet 14 and the first 3] can be understood as the number of cases in which the lamination order of the foamed synthetic resin sheet 15 is arbitrarily changed. In the present invention, the number of cases where such a change is possible is included, and the interpretation of the utility model registration claims is also equivalent thereto.

1 is a cross-sectional view showing a building applied interlayer noise prevention material according to the present invention.

2a to 2c is a process chart showing a method of manufacturing the interlayer noise preventing material according to the present invention.

Figure 3a and Figure 3b is a perspective view including a cross section of the interlayer noise preventing material according to the present invention.

4a to 4f is a test report showing the test results of the interlayer noise preventing material of the present invention by the Korea Institute of Construction Technology.

       Explanation of symbols on the main parts of the drawings

10: interlayer noise prevention material 11: aluminum foil

12: first foamed synthetic resin sheet 13: synthetic resin

13a: diaphragm space 14: second foamed synthetic resin sheet

14a: hole 15: third foamed synthetic resin sheet

15a: concave groove 15b: convex protrusion

21: Floor finishing material 22: Ondol piping and finishing mortar

23: lightweight concrete 24: slab

25: interlayer noise prevention material for walls

Claims (4)

Aluminum foil (11), A first foamed synthetic resin sheet 12 thermally fused to the aluminum foil 11, A synthetic resin 13 bonded to the first foamed synthetic resin sheet 12 and having a diaphragm space 13a; A second foamed synthetic resin sheet 14 bonded to the synthetic resin body 13 and having perforated holes 14a; Interlayer noise preventing material comprising a third foamed synthetic resin sheet 15 heat-sealed to the second foamed synthetic resin sheet 14 and having concave grooves 15a and convex protrusions 15b in the vertical direction. (10). The method of claim 1, The first foamed synthetic resin sheet 12, the second foamed synthetic resin sheet 14 and the third foamed synthetic resin sheet 15 is made of polyethylene, ethylene vinyl acetate or polypropylene, The synthetic resin member 13 is an interlayer noise preventing material, characterized in that made of polypropylene. The method according to claim 1 or 2, The aluminum foil 11 is a thickness of 30 ~ 50㎛, The first foamed synthetic resin sheet 12 has a thickness of 3 ~ 5㎜ and a density of 0.02 ~ 0.05g / ㎠, The synthetic resin 13 is a thickness of 3 ~ 5㎜, The second foamed synthetic resin sheet 14 has a thickness of 5 ~ 10㎜ and a density of 0.02 ~ 0.067g / ㎠, The third foamed synthetic resin sheet 15 has a thickness of 10 to 20 mm and a density of 0.02 to 0.067 g / cm 2. The method of claim 3, wherein Interlayer noise preventing material (10), characterized in that the diameter of each of the concave groove (15a) and the convex protrusion (15b) of the third foamed synthetic resin sheet (15) is 2.5 ~ 20mm.