KR101366581B1 - The manufacturing method for a flooring board - Google Patents

Abstract

The present invention relates to a flooring board manufacturing method which is developed for reinforcing the flame resistance, the antibiosis, and the wear resistance of the flooring board utilized as a flooring material as the flooring board is weak for fires and has concern about damage caused by being rotten or being impacted due to the nature of wood. The present invention continuously performs a series of the following steps: a first paper manufacturing step of dipping 25g/m^2 of transparent paper is dipped into 62g/m^2 of a resin which a melamine resin, an aluminum oxide, aluminum hydroxide, chitosan, and a surface-active material are mixed and drying the dipped paper; a second paper manufacturing step of dipping 80g/m^2 of decorative paper or sliced veneer into 62g/m^2 of a resin which a melamine resin, aluminum hydroxide, chitosan, and a surface-active material are mixed and drying the dipped paper; a third paper manufacturing step of dipping 180g/m^2 of colored paper into 84g/m^2 of a resin which a melamine resin and aluminum hydroxide are mixed and drying the dipped paper; a paper bonding step of completing a melamine resin sheet (HPL) by successively stacking 3 to 8 sheets of the dipped colored paper, the decorative paper, and the dipped transparent paper and cooling for 10 minutes after pressing at a pressure of 100kg/cm^2 and a temperature of 130°C for 30 minutes; and a finishing step of bonding the melamine resin sheet manufactured by the paper bonding step on the surface of a plywood. [Reference numerals] (AA) First paper manufacturing step of dipping 25g/m^2 of transparent paper is dipped into 62g/m^2 of a resin which a melamine resin, an aluminum oxide, aluminum hydroxide, chitosan, and a surface-active material are mixed and drying the dipped paper; (BB) Second paper manufacturing step of dipping 80g/m^2 of decorative paper or sliced veneer into 62g/m^2 of a resin which a melamine resin, aluminum hydroxide, chitosan, and a surface-active material are mixed and drying the dipped paper; (CC) Third paper manufacturing step of dipping 180g/m^2 of colored paper into 84g/m^2 of a resin which a melamine resin and aluminum hydroxide are mixed and drying the dipped paper; (DD) Paper bonding step of completing a melamine resin sheet (HPL) by successively stacking 3 to 8 sheets of the dipped colored paper, the decorative paper, and the dipped transparent paper and cooling for 10 minutes after pressing at a pressure of 100kg/cm^2 and a temperature of 130°C for 30 minutes; (EE) Finishing step of bonding the melamine resin sheet manufactured by the paper bonding step on the surface of a plywood.

Description

The manufacturing method for a flooring board}

The present invention relates to a flooring board manufacturing method, in more detail, the flooring board mainly used as a flooring material is weak to the fire due to the nature of the wood and may be damaged by rot or impact, so that it can enhance the flame retardancy and antibacterial and wear resistance It relates to a flooring board manufacturing method developed to.

In the past, classrooms and corridors were made of floorboards made of natural wood, but floors were gradually changed to cement due to industrialization. In recent years, wood floors have been gradually expanding not only in schools but also in homes and buildings. .

This is because the wood is the most comfortable and human-friendly residential material such as controlling the temperature and humidity and absorbing shock as well as beautiful patterns and textures as a countermeasure against the popularity of eco-friendly materials and increasing atopic diseases.

These wood floorboards are laminated plywood (KS name: patterned plywood flooring board) laminated with natural patterned veneer on plywood and melamine resin sheet (LPL, Low Pressure Laminate) on fiberboard. Floor board) and steel floor laminated with high pressure laminate (HPL) on the plywood (KS name: stucco flooring board) .They are also similar to plywood flooring, but wood flooring using thick natural veneers rather than veneer. There is.

In addition, each type of floorboards are used for ondol, heavy walking, etc. by varying the thickness of the board according to the use.

Among them, the decorative wood floorboard (melamine resin sheet, HPL), which is known to have better surface durability than the wood veneer or wooden floor, is made of printed paper called deco paper to make the surface wood pattern, which has limited wear resistance. As it disappears, attention must be paid to use in commercial spaces (schools, multi-use facilities).

In addition, as the number of children suffering from atopic disease has increased recently, it is essential for children with weak immunity, such as elementary school classrooms, to use nature-friendly and antimicrobial flooring, and need a flooring board with flame retardancy that does not burn well in case of fire. Situation.

(Patent Document 1) Republic of Korea Patent Publication No. 10-2004-0085578 (October 08, 2004) (Patent Document 2) Republic of Korea Patent Publication No. 10-2005-0064516 (June 29, 2005) (Patent Document 3) Korean Patent Publication No. 10-2006-0017252 (February 23, 2006) (Patent Document 4) Korean Patent Publication No. 10-2008-0102076 (November 24, 2008) (Patent Document 5) Korean Patent Registration No. 10-1299141-0000 (August 16, 2013)

The present invention was developed in order to solve the above problems, the object is that the flooring board is a flame retardant that does not burn well to the properties of the basic wood and the antibacterial to prevent the weakening of the wood or harmful to the human body by microorganisms And it is to develop a method of manufacturing a flooring board that can have a variety of additional properties, such as wear resistance and increase the functionality and environmental friendliness.

In order to achieve the above object, the present invention impregnates 25 g / m 2 transparent paper with a resin mixed with melamine resin, aluminum oxide, aluminum hydroxide, chitosan, and a surfactant in an amount of 62 g / m 2, and then dried. Paper manufacturing process;

A second paper manufacturing process of impregnating 80 g / m 2 of decorative paper or veneer with a resin mixed with melamine resin, aluminum hydroxide, chitosan and a surfactant in an amount of 65 g / m 2 and drying;

A third paper manufacturing step of impregnating 180 g / m 2 colored paper with a melamine resin and aluminum hydroxide in an amount of 84 g / m 2 and then drying it;

3-8 sheets of each impregnated colored paper, deco paper and transparent paper were laminated in this order and pressed for 30 minutes at a pressure of 100 kg / ㎠ and a temperature of 130 ° C., followed by cooling for 10 minutes to complete the melamine resin sheet (HPL). Paper lamination process;

The melamine resin sheet prepared in the paper lamination process is characterized in that a series of processes of the finishing process of bonding to the surface of the plywood is made continuously.

In addition, in the first paper manufacturing process, aluminum oxide, aluminum hydroxide, chitosan, surfactants, melamine resin is mixed in a ratio of 3.5%, 16%, 2.5%, 1.8%, 76.2% by volume;

In the second paper manufacturing process, aluminum hydroxide, chitosan, surfactant, and melamine resin are mixed at a volume ratio of 15%, 2%, 2%, and 81%, respectively;

In the third paper manufacturing process, aluminum hydroxide and melamine resin are mixed at a volume ratio of 15% and 85%, respectively.

As described above, the present invention is a hygienic flooring board of the flooring board is not hygienic, the paper is not easily peeled off and does not burn easily in the fire even in the fire and hygienic by preventing the growth of various bacteria on the wood, the surface is easily scratched or It is effective to provide a flooring board with improved functionality and eco-friendliness by preventing damage.

1 is a block diagram according to an embodiment of the present invention.
2 is a conceptual diagram showing a first paper manufacturing process of the present invention
3 is a conceptual diagram showing a second paper manufacturing process of the present invention
4 is a conceptual diagram showing a third paper manufacturing process of the present invention
5 is a conceptual diagram showing the structure of the completed flooring board

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram according to an embodiment of the present invention, Figure 2 is a conceptual diagram showing a first paper manufacturing process of the present invention, Figure 3 is a conceptual diagram showing a second paper manufacturing process of the present invention, Figure 4 is 5 is a conceptual diagram showing a process for manufacturing a third paper of the present invention, and FIG. 5 is a conceptual diagram showing the structure of a completed flooring board, wherein 25 g / m 2 transparent paper 1 is made of melamine resin, aluminum oxide, aluminum hydroxide, chitosan, and surfactant A first paper manufacturing process of impregnating the resin mixed with ash in an amount of 62 g / m 2 and then drying it;

A second paper manufacturing process of impregnating 80 g / m 2 of decorative paper 2 or veneer with a resin mixed with melamine resin, aluminum hydroxide, chitosan and a surfactant in an amount of 65 g / m 2 and drying;

A third paper manufacturing process of impregnating 180 g / m 2 colored paper 3 with a resin mixed with melamine resin and aluminum hydroxide in an amount of 84 g / m 2 and drying;

3-8 sheets of each impregnated colored paper (3), deco paper (2) and transparent paper (1) were sequentially stacked and pressed for 30 minutes at a pressure of 100 kg / ㎠ and a temperature of 130 ° C., followed by cooling for 10 minutes. And paper lamination process to complete the melamine resin sheet (HPL);

The method of manufacturing a flooring board is characterized in that a series of finishing processes of adhering the melamine resin sheet prepared in the paper lamination process to the surface of the plywood 4 is successively performed.

Aluminum oxide added in the present application has a high hardness (15 ~ 19GPa) to be impregnated into the transparent paper (1) forming the outermost surface to increase the surface durability to greatly increase the wear resistance, high mechanical strength (300 ~ 630MPa) And compressive strength (2000 ~ 4000MPa) can be obtained, and it is strong against scratches, scratches and scratches.

In addition, it has excellent electrical insulation and has antistatic and bioinert properties from dry winter floors and is non-toxic and harmless to humans.

Test Items  standard      Test result General HPL HPL herein Wear resistance KS F 3126 More than 7000 times 8500 25000 Impact resistance No radial cracking or deterioration of the decorative material clear clear Scratch hardness       3N or more 7.2 19.3 Electrical Insulation (Antistatic) 1X10 1X10 Antimicrobial activity Test bacteria were counted after standing for 24 hours at 35 RH 90% Average reduction rate 68% 99% reduction rate

As shown in the above test results, wear resistance, scratch hardness, electrical insulation, etc. showed a three times improvement in performance, and the impact resistance did not appear numerically, but it was found to withstand repeated shocks and antibacterial performance was also improved.

In addition, aluminum hydroxide is a representative inorganic flame retardant material, which is not volatilized by heat like organic materials, and decomposes to release an incombustible gas such as water, carbon dioxide, sulfur dioxide, and hydrogen chloride.

In addition, non-toxic inorganic chemical material with excellent chemical heat resistance, transparency, and especially flame retardancy, exhibits excellent flame retardant performance when added as a nano-grade powder and impregnated.

       Flameproof Test Items           standard      Test result General HPL HPL of the present         Afterglow time        Within 5 seconds    4.7     0         Burst time       Within 20 seconds    18.5     0         Ammunition      Within 40cm    36.1   12.7         Carbonization length       Within 20cm     11    4.9         Number of folds       3 or more times

As shown in the above test results, the general HPL was first printed, and afterglow occurred, but the HPL of the present application was not printed and the burn area was about three times smaller than the general HPL.

In addition, chitosan is an electrically charged polymer that has a molecular weight of 200,000 or more. The chitosan is an insoluble polymer. It is a natural antibacterial substance that acts as an antimicrobial agent to suppress the growth of, harmless to the human body and also has an antiseptic effect.

That is, to prevent the growth of bacteria to prevent the weakened or multiplied bacteria by wood to affect the human body.

At this time, in the present invention, the proportion of the material to be added is in the ratio of 3.5%, 16%, 2.5%, 1.8%, and 76.2% by volume of aluminum oxide, aluminum hydroxide, chitosan, surfactant, and melamine resin, respectively, in the first paper manufacturing process. To mix;

In the second paper manufacturing process, aluminum hydroxide, chitosan, surfactant, and melamine resin are mixed at a volume ratio of 15%, 2%, 2%, and 81%, respectively;

In the third paper manufacturing process, a more specific embodiment for mixing aluminum hydroxide and melamine resin at a volume ratio of 15% and 85% was presented.

According to the above embodiment, each material may have an optimal function, and the mixing is excellent in emulsification of chitosan, and then mixed with melamine resin first, and then the remaining materials are slowly added and stirred so that the surfactant of the present application does not generate a precipitate. It is to play a role.

In addition, in applying the present application, after mixing each material in the mixing tank (5) provided separately to accommodate the mixed solution of the impregnation tank (6), each paper is supplied in the form of a roll and sequentially in the impregnation tank (6) After passing through it is preferable to pass through the dryer 7 is produced separately.

1: transparent paper
2: Deco Paper
3: colored paper
4: plywood
5: mixing tank
6: impregnation tank
7: dryer

Claims (2)

A first paper manufacturing process of impregnating 25 g / m 2 transparent paper 1 with a resin mixed with melamine resin, aluminum oxide, aluminum hydroxide, chitosan, and a surfactant in an amount of 62 g / m 2 and drying;
A second paper manufacturing process of impregnating 80 g / m 2 of decorative paper 2 or veneer with a resin mixed with melamine resin, aluminum hydroxide, chitosan and a surfactant in an amount of 65 g / m 2 and drying;
A third paper manufacturing process of impregnating 180 g / m 2 colored paper 3 with a resin mixed with melamine resin and aluminum hydroxide in an amount of 84 g / m 2 and drying;
3-8 sheets of each impregnated colored paper (3), deco paper (2) and transparent paper (1) were sequentially stacked and pressed for 30 minutes at a pressure of 100 kg / ㎠ and a temperature of 130 ° C., followed by cooling for 10 minutes. And paper lamination process to complete the melamine resin sheet (HPL);
The method of manufacturing a flooring board, characterized in that the series of finishing the process of adhering the melamine resin sheet prepared in the paper lamination process to the surface of the plywood (4) is made continuously.
The method of claim 1, wherein in the manufacturing process of the first paper, aluminum oxide, aluminum hydroxide, chitosan, surfactant, melamine resin are mixed at a volume ratio of 3.5%, 16%, 2.5%, 1.8%, and 76.2%, respectively;
In the second paper manufacturing process, aluminum hydroxide, chitosan, surfactant, and melamine resin are mixed at a volume ratio of 15%, 2%, 2%, and 81%, respectively;
In the third paper manufacturing process, flooring board manufacturing method, characterized in that the aluminum hydroxide and melamine resin is mixed in a volume ratio of 15%, 85% respectively.

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