KR200330114Y1 - Soundproof wood insulator with Single or Double G/F Structure - Google Patents

Abstract

The present invention relates to a wood plate material having excellent sound absorption and dimensional stability used as a flooring material such as flooring material, and more specifically, a vinyl chloride resin (PVC) in the lower part of a common flooring material such as a reinforced floor or plywood flooring used as a flooring material. By forming a foam layer and a glass fiber layer on the upper and / or lower part thereof, the present invention relates to a wood plate material which can greatly reduce the floor impact sound, noise or vibration sound generated in the upper layer of an apartment house, and which has excellent dimensional stability and workability. The sound absorbing and dimensional stability wood plate according to the present invention is a sound absorbing wood plate consisting of a surface layer 10 and the back layer 20, the back layer 20 is a vinyl chloride resin foam layer 24 and the chloride It is characterized by consisting of a glass fiber layer 22 on the top and / or bottom of the plastic resin foam layer (24). Wood flooring material having excellent sound absorption and dimensional stability according to the present invention has an excellent sound absorption and construction properties and dimensional stability.

Description

Soundproof wood insulator with Single or Double G / F Structure}

The present invention relates to a wood board used as a flooring material, such as flooring, and more specifically, a polyvinyl chloride (PVC) foam layer and a lower part of a common flooring board such as a reinforced floor or plywood flooring used as flooring By forming a glass fiber (G / F) layer on the upper and / or lower part of the floor, the floor impact sound, the noise or the vibration sound including the heavy or light impact sound generated in the upper floor of the apartment can be greatly reduced, and the dimensional stability It relates to a sound-absorbing wooden board having excellent workability.

The sound absorbing and dimensional stability wood plate according to the present invention is a sound absorbing wood plate consisting of a surface layer 10 and the back layer 20, the back layer 20 is a vinyl chloride resin foam layer 24 and the chloride It is characterized by consisting of a glass fiber layer 22 on the top and / or bottom of the plastic resin foam layer (24).

Recently, there are various types of boards used for interior or flooring of residential or commercial buildings, but recently, people feel comfortable and natural like natural wood boards, plywood, or reinforced floor or plywood flooring processed to express wood texture. The use of wooden boards, which gives a subtle and deep aesthetic, is widely preferred.

The sound-absorbing wooden boards used in conventional building interiors and flooring materials include polyvinyl chloride (PVC) foam sheets or polyethylene (PE), ethylene vinylacetate (EVA), Simply attach materials such as polypropylene (PP), polyurethane (PU) polyester nonwoven fabric, chloroprene rubber (CR), acrylonitrile butadiene rubber (NBR), etc. In order to add a sound absorbing function or to give sound absorbing property, an elastic sound absorbing material is installed on the floor surface such as the concrete surface on which the wooden floor is to be installed, and the wooden floor is constructed on the elastic sound absorbing material, so that the user may be able to There was a wooden floor or board structure designed to absorb shocks, noises, or vibrations.

However, the conventional method of simply inserting the sound-absorbing material as described above between the wood board and the construction bottom surface and fixing the adhesive between the wood and the construction bottom surface has a concern that a problem may occur in the dimensional stability of the wood part. In addition, the method of separately constructing the wood portion and the elastic sound-absorbing material may not only be separated during use, but also inconvenient in construction and high in construction cost.

The present invention has been made to solve the problems of the conventional sound-absorbing wood board as described above, to provide a wood board having excellent sound absorption, dimensional stability and workability.

The above object of the present invention can be achieved by forming a polyvinyl chloride resin foam layer on the bottom of a typical wood floor board material, and a glass fiber layer on and / or the bottom thereof.

The sound absorbing and dimensional stability of the wood board according to the present invention is a sound absorbing wood board consisting of a surface layer 10 and the back layer 20, the back layer 20 is a vinyl chloride resin foam layer 24, and It is characterized by consisting of a glass fiber layer 22 on the top and / or bottom of the vinyl chloride resin foam layer (24).

1 is a cross-sectional view of a conventional wood flooring.

Figure 2 is a cross-sectional view of the first embodiment of the sound absorbing wood board according to the present invention.

3 is a cross-sectional view of a second embodiment of a sound absorbing wood board according to the present invention.

4 to 6 is a cross-sectional view and plan view of the same layer configuration as the third embodiment of the sound-absorbing wood board according to the present invention, only the shape of the embossed pattern, a is a sectional view, b is a plan view.

7 is a cross-sectional view of a fourth embodiment of a sound absorbing wood board according to the present invention.

6 is a cross-sectional view of a fifth embodiment of a sound absorbing wood board according to the present invention.

7 is a cross-sectional view of a sixth embodiment of a sound absorbing wood board according to the present invention.

Brief description of symbols for main parts of the drawings

10: surface layer 20: back layer

22 glass fiber layer 24 foam layer

24 ': embossed pattern 26: adhesive layer

The present invention provides a wood board having excellent sound absorption and dimensional stability used as a flooring material such as flooring.

The present invention is a sound-absorbing wood board consisting of the surface layer 10 and the back layer 20, the back layer 20 is a vinyl chloride resin (PVC) foam layer 24 and the vinyl chloride resin foam layer 24 It relates to a wood board having excellent sound absorption and dimensional stability, characterized in that composed of a glass fiber (G / F) layer 22 on the top and / or bottom of the.

The wood board having excellent sound absorption and dimensional stability provided in the present invention can significantly reduce the floor impact sound, noise or vibration sound including heavy impact sound or light impact sound generated in the upper floor of the apartment house, and is excellent in dimensional stability and construction property.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Sound absorbing and dimensional stability of the wood board material according to the present invention is a sound absorbing wood board material consisting of a surface layer 10 and the back layer 20, the wood board member of Figure 2 is the back layer 20 from the surface layer 10 In turn, the adhesive layer 26, the glass fiber layer 22, the adhesive layer 26, and the vinyl chloride resin foam layer 24 are laminated, the wood plate of Figure 3 is the back layer 20 is the surface layer 10 ), The adhesive layer 26, the vinyl chloride resin foam layer 24, the adhesive layer 26, and the glass fiber layer 22 are laminated in this order, and the wood board member of Figs. Among them, the vinyl chloride resin foam layer 24 is formed with an embossed pattern 24 ', and the wood board member of FIG. 7 is formed with an embossed pattern 24' of the vinyl chloride resin foam layer 24 in the laminated structure of FIG. 8, the backing layer 20 has an adhesive layer 26, a glass fiber layer 22, and an adhesive under the surface layer 10 in order. The layer 26, the vinyl chloride resin foam layer 24, the adhesive layer 26, the glass fiber layer 22 is a laminated structure, the wood board member of Figure 9 is a polyvinyl chloride resin foam layer ( 24 is an embossed pattern 24 '.

According to the present invention, a method for manufacturing a wood board having excellent sound absorption and dimensional stability can be manufactured by a conventional method for manufacturing a laminate. For example, the polyvinyl chloride resin foam layer may be formed on one surface of a glass fiber layer component material such as a glass fiber sheet impregnated with a vinyl chloride resin sol, and then bonded to the component material of the surface layer or the glass fiber layer component material. have.

In addition, a certain standard is prepared by preparing a constituent material of a surface layer such as plywood floor, a glass fiber layer constituent material such as a glass fiber sheet impregnated with a vinyl chloride resin sol, and a foamed vinyl chloride resin foam layer forming material such as a foamed vinyl chloride resin sheet. After cutting, the constituent material can be prepared by adhering the constituent material with a binder, forming the laminated structure of the present invention, or gluing the constituent material with the adhesive, first forming the laminated structure of the present invention, and then cutting to a certain standard. have.

In the laminated structure, first, an adhesive is applied to one or both surfaces of the glass fiber sheet to form an adhesive layer 26, and then the glass fiber layer 22 and the vinyl chloride resin foam layer (from the laminated structure of the present invention in order from the bottom) 24) and the wood floor board 10 can be formed by heat pressing at an appropriate temperature and pressure using a press, and then cooling and completely hardening.

The constituent material of the present invention is conventionally known and can be purchased and used in the market, or can be manufactured and used by a conventional known manufacturing method.

The constituent material forming the surface layer 10 is a conventionally known wood floorboard such as reinforced floor or plywood floor, and various products are marketed, and thus can be easily purchased on the market.

The glass fiber layer 22 imparting the dimensional stability is made of a glass fiber sheet impregnated with a vinyl chloride resin sol. The glass fiber sheet impregnated with the vinyl chloride resin sol may be made by making a glass fiber sheet, and then impregnating the glass fiber sheet with the vinyl chloride resin sol. For example, first, 60-70 parts by weight of glass fiber, paper pulp, 10-15 parts by weight of paper fiber, 10-15 parts by weight of polyvinyl alcohol binder and 80-90 parts by weight of solvent After mixing the parts, it is made of paper like paper to make a glass fiber sheet having a weight of 30-100 g / m 2. Thereafter, the glass fiber sheet is immersed in the vinyl chloride resin sol so as to be 100-300% of the glass fiber sheet weight, so that the glass fiber sheet impregnated with the vinyl chloride resin sol can be produced. The vinyl chloride resin sol is 60-120 parts by weight of dioctylphthalate as a plasticizer and 100 to 5 parts by weight of a vinyl chloride paste resin having a degree of polymerization of 1000-1700, and 5-10 parts by weight of barium stearate as a stabilizer of 0-160 parts by weight of calcium carbonate as an inorganic filler. A mixture of wealth is used.

The material for forming the vinyl chloride resin foam layer 24 such as the expanded vinyl chloride resin sheet is, for example, 100 parts by weight of vinyl chloride resin having a polymerization degree of 500 to 2000, 20 to 80 parts by weight of dioctylphthalate as a primary plasticizer, and butyl. 10 to 20 parts by weight of benzylphthalate, 5 to 10 parts by weight of paraffinic compound as a secondary plasticizer, 1 to 20 parts by weight of organic pigment, 1 to 4 parts by weight of azodicarbonamide as a blowing agent, 1 to 4 parts by weight of foaming accelerator zincated, 0.1-3 parts by weight of the barium-zinc compound, which is a foam stabilizer, 0.2-1.0 parts by weight of the barium-zinc compound, a foaming cell regulator, 1-5 parts by weight of titanium oxide, a pigment, and 5-100 parts by weight of calcium bicarbonate, a filler, Knife-coated a known liquid composition made in a state to a glass fiber sheet or plate impregnated with the vinyl chloride resin sol at a thickness of 0.2 to 0.7 mm, and then 30 to 30 to a speed of 5 to 30 m / min at 170 to 250 ° C. Gelled for 180 seconds, then foamed There can be referenced. The vinyl chloride resin foam layer may be in the form of a general foam or embossed pattern such as triangular, square, hemispherical.

Hereinafter, the present invention will be described in detail by examples.

Example 1

(Preparation of surface layer forming material)

Plywood floor was purchased and prepared as a surface material 10 composition material.

(Production example of glass fiber layer forming material)

70 parts by weight of glass fiber, made by cutting glass fiber, 15 parts by weight of paper pulp, 10 parts by weight of polyvinyl alcohol and 90 parts by weight of water are mixed, and then weighed by weighing 45 g / m 2 as in the paper manufacturing method. Phosphorus fiberglass sheet was prepared, and then the fiberglass sheet was prepared by mixing 60 parts by weight of dioctylphthalate, 60 parts by weight of calcium carbonate, and 8 parts by weight of barium stearate to 100 parts by weight of a vinyl chloride paste resin having a polymerization degree of 1200-1700. A glass fiber sheet impregnated with a vinyl chloride resin sol, which is a material of the glass fiber layer 22, was prepared by immersing 300% of the glass fiber sheet in a vinyl resin sol.

The glass fiber sheet impregnated with the vinyl chloride resin sol was tested for dimensional stability according to KS M3802, and showed a change rate of 0.01-0.02% in the measurement of the change rate by heating. From this, it can be seen that the dimensional stability can be secured when the finished product is used.

(Production example of vinyl chloride resin foam layer forming material)

Next, 40 parts by weight of dioctylphthalate as a primary plasticizer, 12 parts by weight of butylbenzyl phthalate, 8 parts by weight of paraffinic compound as secondary plasticizer, 5 parts by weight of organic pigment, to 100 parts by weight of vinyl chloride resin having a polymerization degree of 500 to 2000. 2 parts by weight of azodicarbonamide as a foaming agent, 1 part by weight of zinc accelerator, 1 part by weight of barium-zinc compound as a foam stabilizer, 0.3 part by weight of barium-zinc compound as a foaming cell, 1 part by weight of titanium oxide as a pigment and a filler 50 parts by weight of phosphorus calcium bicarbonate was mixed with a knife-coated liquid composition prepared in a sol state at a thickness of 0.7 mm, gelled at 190 ° C. at a speed of 15 m / min. For 80 seconds, and then foamed with vinyl chloride resin through a foaming process. A foamed vinyl chloride resin sheet, which is a layer 24 forming material, was prepared.

(Example of Manufacture of Wood Plate Material of the Invention)

Epoxy resin adhesive of room temperature curing type on both sides of the glass fiber layer forming material or After the epoxy variant urethane resin adhesive was applied, the commercially available plywood floor was laminated on one side, and the foamed vinyl chloride resin sheet was placed on the other side. It was thermocompressed for 25 minutes at a pressure of 7 kg / cm 2 at the temperature and cooled.

And by cutting to width 918mm, length 920mm to complete the wood board of Figure 2 according to the present invention.

The wood board according to the present invention was left for about 6 hours at 80 ± 2 (° C.) by the test method of KS M 3802, removed, and left to stand at room temperature for about 1 hour, and then the rate of change by heating was measured. It was 0.025% (reduction).

In addition, the wood board according to the present invention was measured by the test method of KS F 2810-1, and when the barrier performance was evaluated by KS F 2863-1, the wet bottom structure (when general EPS was used as the heat insulating material). Compared to the lightweight impact sound is improved by more than 10dB.

The wood plate material having excellent sound absorption and dimensional stability according to the present invention has excellent sound absorption and good dimensional stability and easy construction.

Claims (10)

In the sound-absorbing wooden board composed of the surface layer 10 and the back layer 20, the back layer 20 is composed of an adhesive layer 26, a vinyl chloride resin foam layer 24, a glass fiber layer 22 Wood plate material with excellent sound absorption and dimensional stability. The method of claim 1, wherein the back layer 20 is composed of an adhesive layer 26, a glass fiber layer 22, an adhesive layer 26 and a vinyl chloride resin foam layer 24 in order from the surface layer 10. Wood board material with excellent sound absorption and dimensional stability. The method of claim 1, wherein the back layer 20 is composed of an adhesive layer 26, a vinyl chloride resin foam layer 24, an adhesive layer 26, a glass fiber layer 22 in order from the surface layer 10. Wood board material with excellent sound absorption and dimensional stability. According to claim 1, wherein the back layer 20 is the adhesive layer 26, the glass fiber layer 22, the adhesive layer 26, the vinyl chloride resin foam layer 24, the adhesive layer (from the surface layer 10 in order) 26), a wood plate having excellent sound absorption and dimensional stability, comprising a glass fiber layer (22). The polyvinyl chloride resin foam layer (24) according to claim 1, wherein 20 to 80 parts by weight of dioctylphthalate, which is a primary plasticizer, and 10 to 20 parts by weight of butylbenzylphthalate, in 100 parts by weight of the vinyl chloride resin having a polymerization degree of 500 to 2000. , 5 to 10 parts by weight of a paraffinic compound as a secondary plasticizer, 1 to 20 parts by weight of an organic pigment, 1 to 4 parts by weight of azodicarbonamide as a foaming agent, 1 to 4 parts by weight of zinc accelerator, and a barium-zinc based foaming stabilizer. Sound absorption and dimensional stability, characterized by consisting of 0.1 to 3 parts by weight of the compound, 0.2 to 1.0 parts by weight of the foaming cell regulator barium-zinc compound, 1 to 5 parts by weight of titanium oxide pigment and 5 to 100 parts by weight of calcium bicarbonate filler Excellent wood board. The wooden board of claim 2, wherein the vinyl chloride resin foam layer (24) is formed with an embossed pattern (24 '). The wood plate according to claim 3, wherein the polyvinyl chloride resin foam layer (24) is formed with an embossed pattern (24 '). The wood plate according to claim 4, wherein the polyvinyl chloride resin foam layer (24) is formed with an embossed pattern (24 '). The polyvinyl chloride resin sol according to any one of claims 1 to 8, wherein the glass fiber layer 22 has a weight of 30-100 g / m 2, and the polyvinyl chloride sol is 100-300% compared to the weight of the glass fiber sheet. Wood board with excellent sound absorption and dimensional stability, characterized in that the impregnated. 10. The barium stearate 5 according to claim 9, wherein the vinyl chloride resin sol is a vinyl chloride paste resin having a polymerization degree of 1000-1700, 60-120 parts by weight of dioctylphthalate as a plasticizer and 0-160 parts by weight of calcium carbonate as an inorganic filler. A sound-absorbing and dimensional stability wood plate material, characterized in that consisting of a liquid composition of -10 parts by weight.