KR20090117018A - Skin for wood flooring and wood flooring having the same - Google Patents

Abstract

PURPOSE: A surface material and a wood flooring material having the same are provided to reduce noise and impact and to improve durability and shock resistance. CONSTITUTION: A wood flooring material with a surface material comprises a veneer(40), a thermosetting resin impregnated adhesive sheet, a hot-melt(35), a protective film(20) and an UV coating layer(10). The thermosetting resin impregnated adhesive sheet is attached to the upper side of the veneer. The hot-melt is coated with the veneer and protective film. The protective film is laminated on an adhesive sheet or on the veneer without the adhesive sheet. The UV coating layer is formed in the upper of the protective film.

Description

Surface material for flooring and flooring material provided with the same {SKIN FOR WOOD FLOORING AND WOOD FLOORING HAVING THE SAME}

The present invention relates to a flooring material for flooring and a flooring material having the same, and more particularly, a surface material having an impact resistant protective film attached to a veneer, and a flooring material provided with the surface material as a flooring material having a bonding force between a veneer and a wood-based board layer. It also relates to a floor covering that improves and attenuates noise and impact transmission.

Conventionally, as shown in FIG. 1, flooring materials in which veneer is coupled to plywood or the like are used as shown in FIG. 1. In such flooring material, veneer is obtained by thinly cutting solid wood into 0.182mm to 0.5mm thickness using a slicer, which is a composite material based on plate or wood materials such as MDF, HDF, plywood, and OSB. It is formed by bonding to the surface of the back. At this time, the natural veneer sliced from the solid wood is produced in the form of a sheet is formed with a coating layer on the upper side is bonded to plywood, etc. are used as a flooring material.

By the way, such conventional flooring material had a problem that the veneer of the surface is damaged by being stamped or scratched when the object is dropped. In addition, typically, the base material layers such as veneer and plywood are bonded with an adhesive, in which case there is a problem that the veneer is sometimes separated from the plywood due to temperature change.

The present invention has been devised to solve the problems of the prior art, while improving the durability and impact resistance against the stamping or scratching of the veneer formed on the upper surface material and temperature change, while strengthening the bonding strength of the base material such as veneer and plywood noise And it aims to provide the flooring material which attenuates shock transmission.

The surface material for flooring floor according to the present invention is a veneer, and a thermosetting resin impregnated adhesive sheet is attached to the upper side of the veneer, a transparent protective film for mitigating the floor impact on the upper side of the adhesive sheet is made, the protective film of the The upper side is characterized in that the UV coating layer is formed.

In addition, the flooring material according to the present invention is made of a wood-based board layer and the impact-resistant reinforcing surface material is laminated from below, the surface material is a veneer, and the thermosetting resin impregnated adhesive sheet is attached to the upper side of the veneer, The impact resistant protective film is laminated on the upper side, and the wood-based board layer and the surface material are bonded by a thermosetting resin-impregnated adhesive sheet, and the bottom surface of the wood-based board layer has a plurality of grooves formed on the upper surface of the synthetic resin layer. It is characterized by being combined.

The flooring material for the flooring material of the present invention having the configuration as described above, the durability and impact resistance against the stamping or scratching of the veneer formed on the top is enhanced, the flooring material of the present invention, in addition to the temperature change, the substrate layer such as veneer and plywood While strengthening the bond with the effect is to reduce the noise and shock transmission.

First, the flooring material 100 for flooring materials of the present invention will be described in detail with reference to the accompanying drawings.

2 is a cross-sectional view showing the configuration of the surface material 100 for a floor covering of the present invention.

As shown in Figure 2, the flooring material 100 for the floor covering material of the present invention is made of laminated veneer 40, thermosetting resin impregnated adhesive sheet 30, protective film 20, UV coating layer 10 in order .

The veneer 40 is to prepare a thin veneer by cutting the solid wood using a slicer, the transparent protective film 20 is attached to the veneer 40 by the thermosetting resin impregnated adhesive sheet 30.

The thermosetting resin-impregnated adhesive sheet 30 is to be produced by impregnating a thermosetting resin on a sheet (sheet), it is preferable that the transparent pattern so that the pattern of the bottom veneer appears. The thermosetting resin to be used may be a phenol resin, melamine resin, urea resin and the like. As described above, in the present invention, the protective film 20 is bonded to the veneer 40 by the thermosetting resin-impregnated adhesive sheet 30 instead of the general adhesive, thereby increasing the adhesive strength and general strength of the entire surface material 100 as compared with the general adhesive. It is strong, the dimensional stability is enhanced even by heat or temperature changes, and the protective film has the advantage that does not fall off from the veneer.

The protective film 20 is bonded to the upper side of the veneer 40 by the thermosetting resin impregnated adhesive sheet 30, the material used therein is thin and transparent PVC (PolyVinyl Chloride), PC (PolyCyclohexylene dimethylene), PE (PolyEthylene) Polypropylene (PP), PolyEthylene Terephthalate (PET), Ethylene Glycol-modified PET (PETG), Cyclohexane dimethanol-modified PETG (PCTG), Isophthalic acid-modified PCTG (PCT-A), HIPS (High Impact PolyStyrene), ABS (ABS) Acrylonitrile Butadiene Styrene copolymer, PU (PolyUrethane), SBS (Styrene Butadiene Styrene block copolymer), SEBS (Styrene Ethylene Butylenes Styrene block copolymer), SPS (Syndiotactic PolyStyrene), SEPS (Styrene Ethylene Propylene Styrene block copolymer), Acrylate ) Is preferably used. It is preferable that the thickness of the protective film 20 is 150-1000 micrometers.

As such, when the protective film 20 is adhered to the upper side of the veneer 40, even when a heavy object falls on the flooring material, the surface may be prevented from being scratched or scratched, and the floor impact may be alleviated.

In addition, the UV coating layer 10 is preferably formed on the protective film 20. In order to form the UV coating layer 10, UV paint is applied on the upper side of the protective film.

Next, the surface material 101 for flooring material which is a 2nd embodiment of this invention is demonstrated. Fig. 3 is a sectional view of the flooring material 101 for the floor covering, which is the second embodiment.

The surface material 101 for the flooring material which is the second embodiment differs from the surface material 100 of the first embodiment in that the hot melt 35 is applied instead of the adhesive sheet 30 interposed between the veneer 40 and the protective film 20. Is that. Therefore, the protective film 20 coated with the hot melt 35 on the back surface is laminated on the upper side of the veneer 40 without the adhesive sheet and then thermally compressed to prepare the surface material 101.

Other configurations and advantages are the same as in the first embodiment, and detailed description thereof will be omitted herein.

Next, the flooring material 200 provided with the flooring material 100 and 101 for flooring materials of this invention is demonstrated. 4 is a cross-sectional view of the flooring material 200 of the present invention.

The flooring material of the present invention is formed by bonding the wood-based board layer 60 by the thermosetting resin-impregnated adhesive sheet 50 to the lower surface material (100, 101).

The wood-based board layer 60 is a layer bonded to the lower side of the veneer 40, the wood-based board layer 60 is a water-resistant plywood, MDF (Medium Density Fiberboard), HDF (High Density Fiberboard), particle board, resin wood It is composed of one or more selected from a mix board, OSB, lumber, and other wood-based composites.

Of these materials, HDF boards are considerably harder and more resistant to moisture than particle boards. Therefore, the impact strength and moisture resistance of the flooring material can be improved. In addition, since HDF can be manufactured on a large scale, it is inexpensive compared to domestic plywood and resin wood mixing boards.

A thermosetting resin-impregnated adhesive sheet 50 in which a thermosetting resin is impregnated into a sheet for bonding the wood board layer 60 and the veneer 40 is interposed therebetween, and a general adhesive is weakened due to heat or temperature change. When the floor floor material of the present invention is falling, the wood-based board layer 60 and the veneer 40 is bonded by the thermosetting resin impregnated adhesive sheet 50, thereby improving the adhesive strength and at the same time the shear strength or compression of the floor material itself The strength is enhanced, and there is an effect that the upper veneer does not fall off from the wood board layer even under heat or temperature change. Thermosetting resins used therein include phenol resins, melamine resins, and the like.

On the other hand, a synthetic resin layer may be combined under the flooring material. FIG. 5 is a cross-sectional view showing the structure of the flooring material 300 in which the synthetic resin layer is coupled to the flooring material 300 according to the second embodiment of the present invention.

The synthetic resin layer 80 is bonded to the lower portion of the wood-based board layer 60 by the adhesive 70, and the flooring material made of wood is a main component for preventing warping and curling by the surrounding environment such as moisture and temperature. As the synthetic resin used therein, PVC, PC, PE, PP, PET, and the like may be used.

In addition, a plurality of grooves 81 may be formed on the top surface of the synthetic resin layer 80 to have various sizes. By the formation of a plurality of grooves 81, there is an advantage of reducing the noise and impact transmitted from the upper layer to the lower layer during the interlayer noise and impact transmission.

On the other hand, the flooring material 100,101 for the flooring material of the present invention is not shown in the drawings, but the base material and the stop layer made of synthetic resin is formed by the thermosetting resin impregnated adhesive sheet on the lower side of the veneer 40 of the surface material (100,101) Applicable as veneer synthetic resin flooring.

As described above with reference to a preferred embodiment of the present invention, the present invention is not limited to the above-described embodiment, those skilled in the art will be various within the scope without departing from the spirit of the present invention described in the claims below It will be readily understood that variations are possible.

1 is a cross-sectional view of the floor covering according to the prior art,

2 is a cross-sectional view of the first embodiment of the surface material for floor coverings of the present invention;

3 is a cross-sectional view of a second embodiment of a surface material for floor coverings of the present invention;

4 is a sectional view of a first embodiment of a floor covering of the present invention;

5 is a sectional view of a second embodiment of a floor covering of the present invention;

6 is a perspective view of a synthetic resin layer in FIG.

<Description of the symbols for the main parts of the drawings>

10: UV coating layer 20: protective film

30, 50: thermosetting resin impregnated adhesive sheet

40: veneer

60: wood-based board layer 80: synthetic resin layer

Claims (7)

In the surface material for the floorboard material, A surface material for floor coverings comprising veneer and a transparent thermosetting resin-impregnated adhesive sheet attached to an upper side of the veneer, and a protective film for mitigating floor impact on the upper side of the adhesive sheet. In the surface material for the floorboard material, Surface material for the flooring material made of a veneer, and a protective film for mitigating the floor impact is applied on the back of the veneer hot melt on the upper side of the veneer. The method according to claim 1 or 2, The protective film is a flooring material for flooring flooring, characterized in that the transparent. The method according to claim 1 or 2, Surface material for flooring flooring, characterized in that the UV coating layer is formed on the protective film. The wood board layer and the surface material are laminated from the bottom, The surface material is made of veneer, the thermosetting resin impregnated adhesive sheet is attached to the upper side of the veneer, the protective film for mitigating the bottom impact is laminated on the upper side of the adhesive sheet, The wood-based board layer and the surface material is a flooring material is bonded by a thermosetting resin impregnated adhesive sheet. The wood board layer and the surface material are laminated from the bottom, The surface material is laminated with a veneer, and a protective film for mitigating the bottom impact applied on the back of the hot melt on the upper side of the veneer, thermally compressed, The wood-based board layer and the surface material is a flooring material is bonded by a thermosetting resin impregnated adhesive sheet. The method according to claim 5 or 6, The bottom surface of the wood-based board layer is a flooring material is combined with a synthetic resin layer formed on the upper surface of the plurality of grooves.

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