KR20020004746A - Metal chip including aluminum powder, method of preparing the same, and material for floor construction including it - Google Patents

Abstract

PURPOSE: A metal chip including aluminum powder that has various shapes of spherical, amorphous, regular and irregular form gives metallic texture to floor coverings when the metal chip is applied in the floor coverings, further the floor coverings including the metal chip displays various colors according to incidence angles of sunlight. CONSTITUTION: The preparation method of the metal chip comprises the steps of coating the mixture on a substrate in a temperature range 50 to 100 deg.C after putting 20 to 50 weight parts of heat resistant acryl resin or heat resistant polyurethane resin into 30 to 70 weight parts of aluminum powder having a particle size of 4 to 45 microns; manufacturing a sol including aluminum by dispersing 0.3 to 30 weight parts of the coated aluminum powder and 4 to 13 weight parts of urethane pearl into 30 to 50 weight parts of the sol; and preparing metal chips by rotating the mixture in the temperature range 100 to 250 deg.C at a high speed after mixing 2 to 30 weight parts of PVC straight resin, 70 to 90 weight parts of PVC copolymer, 3 to 10 weight parts of stabilizer and 20 to 40 weight parts of plasticizer for 100 weight parts of PVC together with the sol. In a decorative floor covering from the lower part of which a lower layer, an intermediate layer and an upper layer are sequentially laid up, the floor covering is manufactured by scattering the metal chip including aluminium into the lower layer or the intermediate layer in a scattering process.

Description

Metal chip containing aluminum powder, manufacturing method thereof and flooring containing same {Metal chip including aluminum powder, method of preparing the same, and material for floor construction including it}

The present invention relates to a metal chip containing aluminum powder, a method for manufacturing the same, and a flooring material containing the same, and more particularly, to an aluminum powder, having a spherical, finely divided, amorphous or amorphous form, and applied to a flooring material. The present invention relates to a metal chip, a method for manufacturing the same, and a flooring material containing the same, which can give a variety of color changes depending on the texture and direction of light.

In general, architectural flooring materials have been required for various functionalities and decorations because they are a practical living space for humans. Accordingly, the role of the flooring material, which was only the floor finishing of the conventional simple building, has been diversified and multiplexed as the living standard is increased and the living environment is improved.

Accordingly, various materials are added or changed in the above-described flooring materials having a structure laminated sequentially from the bottom to the base layer, the foam layer, the impregnating layer, the printing layer, the upper layer and the UV coating layer to satisfy various consumer's needs. Taking advantage of the various characteristics of the floor decorative material that can be made, and has been used to suit the purpose, such as a decorative floor decorative material and a functional floor decorative material.

Looking at the conventional general floor decorative material, Korean Patent Publication No. 96-4517 has a surface layer is composed of an ultraviolet paint layer and a transparent PVC film layer which is excellent in scratch resistance and stain resistance, and can have an antistatic effect and a gloss effect. The intermediate layer below the surface layer is composed of a special synthetic fiber sheet, which is given a natural fiber shape of natural material texture, and a gravure print film which is laminated on the upper or lower part of the transfer layer, or a gravure print or rotary print layer. The bottom layer of the lower middle layer is PVC flooring material which is classified into a cushioning material and a non-cushioning material depending on the purpose of use.

In addition, the above-described decorative function is put on the floor decorative material, such as the antimicrobial agent in a number of layers to obtain an antimicrobial floor decoration material, or by applying an antistatic agent to produce a floor decorative material having an antistatic effect, or flooring metal components It is also used to improve the human living environment by incorporating in at least one layer of decorative materials to give a special function to the flooring materials such as geomagnetic compensation, water-wave blocking and far-infrared radiation.

However, the most important thing in these various flooring materials may be decorative appearance. In addition, digital civilization and cyber culture in the 21st century have greatly increased the consumer's preference for products that express metallic or brilliant colors.

As a conventional method of expressing metallic texture or color, a method of imparting a diffuse reflection effect by using full pearl printing or partial pearl printing in the process of printing a product such as transfer printing and embossing the pearl printing layer itself, Korean Utility Model Publication No. 95-9683 describes an opaque decorative material in which an opaque pearl pigment powder, a pearl chip, aluminum particles, spherical particles, and the like are embedded on a foam layer in a floor decorative material in which a base layer, a foam layer, a print layer, and a transparent layer are sequentially laminated. Background Art A flooring material having various three-dimensional feelings formed by laminating and containing an embossed layer and applying a transparent layer, a printing layer, another transparent layer, and a pollution-resistant treatment layer thereon is described. However, the products using the conventional pearl ink have the self-closing force and metallic texture of the pearl ink, and use the secondary embossing and other tuning embossing methods, but the effect is insignificant.

The present invention has been extensively researched to overcome the limitations of the conventional pearl design and to obtain a flooring material having a metallic texture and design. As a result, the present invention has found a metal chip that can express the excellent metallic texture by being added to the flooring material. Based on this, it was completed.

Accordingly, an object of the present invention is to have a spherical, finely divided, formally or amorphous form, and can be applied to the flooring material that can express the excellent metallic texture or design, and contains aluminum that can differentiate the product by giving a new color To provide a metal chip.

Another object of the present invention is to provide a method of manufacturing the metal chip.

In addition, another object of the present invention to provide a flooring material containing the metal chip.

The metal chip of the present invention for achieving the above object contains aluminum powder, has a spherical, finely divided form, amorphous or amorphous form, by applying to the flooring to give a variety of color changes according to the texture of the metal and the direction of light Can be.

Metal chip manufacturing method of the present invention for achieving the above another object can be divided into three methods. The first method comprises the steps of coating 20-50 parts by weight of a heat-resistant acrylic resin or a heat-resistant polyurethane resin to 30 to 70 parts by weight of aluminum powder having a particle size of 4 to 45㎛ coating at 50 to 100 ℃; Preparing an aluminum-containing blending sol by dispersing 0.3 to 30 parts by weight of the coated aluminum powder and 4 to 13 parts by weight of urethane pearl to 30 to 50 parts by weight of the blending sol; And the aluminum-containing blending sol is mixed with 2 to 30 parts by weight of PVC strand resin, 70 to 90 parts by weight of PVC copolymer, 3 to 10 parts by weight of stabilizer, and 20 to 40 parts by weight of plasticizer, based on 100 parts by weight of PVC. It consists of a step of manufacturing a fine metal chip by rotating at a high speed at 100 ~ 250 ℃.

The second method comprises the steps of coating 20-50 parts by weight of a heat-resistant acrylic resin or a heat-resistant polyurethane resin to 30 to 70 parts by weight of aluminum powder having a particle size of 4 to 45㎛ coating at 50 to 100 ℃; 2 to 30 parts by weight of PVC sheet resin, 70 to 90 parts by weight of PVC copolymer, 3 to 10 parts by weight of stabilizer, 20 to 40 parts by weight of plasticizer, and 0.3 to 30 parts by weight of the coated aluminum powder And mixing 4 to 13 parts by weight of urethane pearl, dispersing and kneading and melting in a super mixer at high speed. And mixing the kneaded molten raw material into a T-die to prepare a sheet, and manufacturing a metal chip of amorphous or amorphous form through a cooling and grinding process.

The third method comprises the steps of coating 20-50 parts by weight of a heat-resistant acrylic resin or a heat-resistant polyurethane resin to 30 to 70 parts by weight of aluminum powder having a particle diameter of 4 to 45㎛; 2 to 30 parts by weight of PVC sheet resin, 70 to 90 parts by weight of PVC copolymer, 3 to 10 parts by weight of stabilizer, 20 to 40 parts by weight of plasticizer, 0.1 to 1 parts by weight of UV stabilizer, the coating Preparing a sheet using a mixing roll by mixing 0.3-30 parts by weight of the aluminum powder and 4-13 parts by weight of urethane pearl in a batch manner at 100 to 250 ° C; And forming a sheet of amorphous or amorphous metal chips using a rolling process including a calender roll of the sheet.

In addition, the flooring of the present invention for achieving the another object is a flooring material laminated sequentially from the bottom to the base layer, the middle layer, the upper layer, etc., the aluminum-containing metal chip in the base layer or intermediate layer in the scattering method By scattering.

1 is a longitudinal cross-sectional view of an example flooring material manufactured using a metal chip according to the present invention,

Figure 2 is a longitudinal sectional view of another example of the flooring material manufactured using a metal chip according to the present invention,

Figure 3 is a longitudinal sectional view of another example of the flooring material manufactured using a metal chip according to the present invention.

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

The metal chip according to the present invention can be largely manufactured by the aforementioned three methods. First, in order to prevent the oxidation of aluminum, 30 to 70 parts by weight of aluminum powder having a particle diameter of 4 to 45 μm is coated at 100 to 250 ° C. using heat resistant acrylic resin or 20 to 50 parts by weight of heat resistant polyurethane resin. The aluminum powder may be commercially available, and if the particle diameter is less than 4 μm, the workability is good but the glossiness is poor. If the particle size exceeds 45 μm, the aluminum powder may be caught by a knife or the like in the calender roll. It can be cause. The addition amount of the aluminum powder is preferably 30 to 70 parts by weight, but if the addition amount is less than 30 parts by weight, there is a problem that the diffuse reflection effect is inferior to that of the coating resin compared to the aluminum powder, and when the amount is more than 70 parts by weight, the color becomes dark due to excessive hiding power of aluminum. . In addition, a heat-resistant acrylic resin or a heat-resistant polyurethane resin is used to coat the aluminum, and the amount thereof is preferably used in an amount of 20 to 50 parts by weight. Can be oxidized and turn black, and is used only for coating of aluminum surfaces, so that it does not need to be used in excess of 50 parts by weight.

On the other hand, the temperature at the time of coating of aluminum powder is 50-100 degreeC, Preferably it is 70 degreeC. If the temperature is less than 50 ℃ there is a problem that takes a lot of work time due to the small particle formation, if it exceeds 100 ℃ there is a problem that the whole work is agglomerated and difficult to work.

The resin-coated aluminum powder is dispersed in a blending sol with urethane pearl to prepare an aluminum-containing blending sol, and then mixed with a PVC resin, a PVC strand resin, a PVC copolymer, a stabilizer, and a plasticizer to rotate at high speed. Or by mixing with PVC resin and PVC strand resin, PVC copolymer, stabilizer, plasticizer, urethane pearl, and mixing and kneading the melt and kneading it to produce a chip through the extrusion process to produce chips, PVC resin And PVC sheet resin, PVC copolymer, stabilizer, plasticizer, urethane pearl and the like mixed batchwise to prepare a sheet using a mixing roll and to produce chips through a rolling process such as calender roll.

At this time, the coated aluminum powder is preferably 0.3 to 30 parts by weight, the content is less than 0.3 parts by weight of the diffuse reflection effect of the aluminum is less than 30 parts by weight increase in unit cost and the hiding power of aluminum is a problem that the color appears slightly dark have.

In the present invention, by using urethane pearls with small particles and suitable hiding power and light reflectivity, saturation superior in appearance can be obtained than using mica pearls having conventional large particles and inferior hiding power and light reflectance. .

The blending sol is commonly used as a binder in chip manufacturing, for example, PVC resin, plasticizer, stabilizer, etc. by mixing and stirring at high speed in a mixer (mixer) for about 20 to 40 minutes 30 to 40 It can be prepared through a vacuum degassing process after dispersion while maintaining at ℃.

In addition, stabilizers are used due to PVC, which is easily colored, discolored or broken by heating and light irradiation, and available stabilizers include KX-103 (Kolon Chemical), which is an acrylic organic composite, and BZ-810P- based on Ba-Zn. 5 (made by Songwon Industry), NP-4 (made by Korean polyol) of acrylphenol polyoxyethylene ether, ESO [O-130P] (Xindongbang) of epoxide soybean oil, LOX-708R of Ba-Zn system Mars).

Plasticizers usable in the present invention generally include di-2-ethylhexylphthalate (DOP), di-2-ethyladipate (DOA), di-iso-noniphthalate (DINP) and the like.

Other additives usable in the present invention include antistatic agents, lubricants and the like.

In addition, the chips may be formed in a spherical, amorphous, amorphous or finely divided form, in general, the sphere is formed by the pelletizing method and the size is about 1 ~ 5mm, the amorphous and amorphous type is the extrusion and calendering method of the sheet after Manufactured by a crushing method, in particular, amorphous chips include long chips (rong chips) or pearl chips, in the extrusion method, the dispersion raw material of aluminum powder and resin using a screw and a barrel (barrel) Kneaded and melted, put into the T-die, and the sheet produced according to the shape of the T-die is formed differently. In addition, in the calendering method, it is kneaded using a Banbury mixer or a planetary mixer, and the working temperature is kneaded at 140 to 160 ° C. for 30 to 40 minutes, and the raw materials are put into a sealed chamber, heated, pressurized and compressed to reverse the two rotors. And kneaded by the mutual shear effect between the chamber inner wall and the rotor. Later, a sheet is manufactured using a calender roll composed of two or more rolling rolls, a take off roll for stretching the sheet, an emboss roll for determining the pattern and gloss, and the like. In addition, the finely divided form is mainly obtained by mixing aluminum powder with blending sol and preheating it at 80 ~ 150 ℃. The finely divided chips are filtered by a swab, and chips with a particle size of 16 ~ 60mesh are used. Is prepared again.

The metal chip thus manufactured is used by being scattered by the scattering method on the underlying layer or the intermediate layer of the flooring material sequentially stacked from the lower layer to the lower layer, the middle layer and the upper layer.

Figure 1 is a longitudinal cross-sectional view of an example of the flooring material manufactured using a metal chip according to the present invention, the flooring material of Figure 1 of an embodiment of the present invention after laminating the lower foam layer on the nonwoven layer sequentially from the bottom, On the upper layer of the lower foaming layer is formed a glass fiber impregnation layer impregnated with a mat such as glass fiber in order to impart dimensional stability, imparting a secondary cushion layer on the upper surface of the impregnation layer, imparting decorative properties and improving workability The upper foam layer is laminated to the upper layer, and the layer containing the metal chip according to the present invention is stacked on the upper foam layer, and the upper layer is laminated on the upper layer, and on the upper surface of the upper layer to prevent contamination of the flooring material. UV coating layer is applied.

2 and 3 are also longitudinal cross-sectional views of another example of the flooring material manufactured by using the metal chip according to the present invention, in which the chip sheet is contained in the base layers of the different flooring materials. As such, although illustrated in detail with reference to the drawings, it is not limited thereto.

Hereinafter, the present invention will be described in more detail with reference to the following examples, but the scope of the present invention is not limited to the following examples.

Example 1-Manufacturing method of fine metal chip

50 parts by weight of a heat resistant acrylic resin was added to 20 parts by weight of 12 μm of aluminum powder, followed by coating and dispersing for 30 minutes, and 3 parts by weight of the coated aluminum powder, 10.9 parts by weight of urethane pearl powder, and 36 parts by weight of a blending sol. After preparing the sol, together with 100 parts by weight of PVC paste resin (Hanhwa Petrochemical, KCM-12), 89.9 parts by weight of PVC copolymer (Hanhwa Petrochemical, CP-705), PVC Strat resin (Hanhwa Petrochemical, 10 parts by weight of P-700), 5 parts by weight of primary thermal stabilizer (LOC-708), 3 parts by weight of secondary thermal stabilizer (manufactured by Shin Dong Bang Co., Ltd., O-130P) and DOP (Hanhwa Petrochemical) 30 parts by weight was rotated at 150 ° C. at a high speed to obtain a finely divided metal chip having an average particle size of 50 mesh. As a result of dispersing the metal chip in an intermediate layer during the production of a conventional flooring material by scattering method, the flooring material was produced. It has various color variations depending on the direction of light The flooring material which showed anger could be manufactured.

Example 2-Manufacturing Method of Extruded Metal Chip

40 parts by weight of a heat-resistant acrylic resin was added to 30 parts by weight of 12 μm of aluminum powder, and 3 parts by weight of the coated aluminum powder, 100 parts by weight of urethane pearl, 100 parts by weight of a PVC resin (Hanhwa Petrochemical, P-1000), After adding 4.2 parts by weight of a thermal stabilizer (Xindong Spinning Agent, O-130P) and 30 parts by weight of DOP (Hanhwa Petrochemical), it was rapidly dispersed in a super mixer for 60 minutes and kneaded and melted. The sheet was manufactured by inserting it into a die, cooling and pulverizing it to obtain a regular metal chip. The metal chip was dispersed by the scattering method in the underlying layer during the manufacture of the flooring material, and thus the flooring material was manufactured. In the presence of a metallic texture and flooring can be produced showing a variety of color changes depending on the direction of light.

Example 3-Batch Metal Chip Manufacturing Method

40 parts by weight of a heat-resistant acrylic resin was added to 30 parts by weight of aluminum powder having a thickness of 12 μm, and 3 parts by weight of the coated aluminum powder and 100% by weight of PVC paste resin were used, and PVC strate resin (Hanhwa Petrochemical, P-1000). ) 25 parts by weight, PVC copolymer (Hanhwa Petrochemical, CP-705) 75 parts by weight, urethane pearl 7 parts by weight, thermal stabilizer (Xindong spinning agent, O-130P) 4.2 parts by weight, DOP (Hanhwa Petrochemical) 24 parts by weight , 0.2 parts by weight of lubricant (Hiwax) and 0.4 parts by weight of UV stabilizer (UV-531) were added and mixed in a batch in a mixer to prepare a sheet using a mixing roll, which was then rolled using a calender roll to form an amorphous metal. The chip was obtained, and the metal chip was dispersed by the scattering method in the base layer during the manufacture of the flooring material. As a result, the flooring material was produced. Indicate Could make flooring.

The flooring according to the present invention manufactured through the above embodiment can overcome the limitations of the conventional pearl design and exhibit excellent metallic texture and design, and by providing a new color can be differentiated products.

Claims (5)

A metal chip containing aluminum powder, having a spherical shape, a fine powder form, an amorphous form, or an amorphous form, and which can be applied to a flooring material to impart a variety of color changes depending on the texture of metal and the direction of light. 20 to 50 parts by weight of a heat-resistant acrylic resin or a heat-resistant polyurethane resin to 30 to 70 parts by weight of aluminum powder having a particle diameter of 4 to 45㎛ to coat at 50-100 ℃; Preparing an aluminum-containing blending sol by dispersing 0.3 to 30 parts by weight of the coated aluminum powder and 4 to 13 parts by weight of urethane pearl to 30 to 50 parts by weight of the blending sol; And The aluminum-containing blending sol is mixed with 2 to 30 parts by weight of PVC sheet resin, 70 to 90 parts by weight of PVC copolymer, 3 to 10 parts by weight of stabilizer and 20 to 40 parts by weight of plasticizer, based on 100 parts by weight of PVC. Method of producing a metal chip comprising the step of producing a fine metal chip by rotating at a high speed at ~ 250 ℃. 20 to 50 parts by weight of a heat-resistant acrylic resin or a heat-resistant polyurethane resin to 30 to 70 parts by weight of aluminum powder having a particle diameter of 4 to 45㎛ to coat at 50-100 ℃; 2 to 30 parts by weight of PVC sheet resin, 70 to 90 parts by weight of PVC copolymer, 3 to 10 parts by weight of stabilizer, 20 to 40 parts by weight of plasticizer, and 0.3 to 30 parts by weight of the coated aluminum powder And mixing 4 to 13 parts by weight of urethane pearl, dispersing and kneading and melting in a super mixer at high speed. And Injecting the kneaded molten raw material into the T-die to produce a sheet and manufacturing a metal chip of the amorphous or amorphous through the cooling and grinding process. 20 to 50 parts by weight of a heat-resistant acrylic resin or a heat-resistant polyurethane resin to 30 to 70 parts by weight of aluminum powder having a particle diameter of 4 to 45㎛ to coat at 50-100 ℃; 2 to 30 parts by weight of PVC sheet resin, 70 to 90 parts by weight of PVC copolymer, 3 to 10 parts by weight of stabilizer, 20 to 40 parts by weight of plasticizer, 0.1 to 1 parts by weight of UV stabilizer, the coating Preparing a sheet using a mixing roll by mixing 0.3-30 parts by weight of the aluminum powder and 4-13 parts by weight of urethane pearl in a batch manner at 100 to 250 ° C; And Method for producing a metal chip comprising the step of manufacturing a metal chip of the amorphous or amorphous by using a rolling process comprising a calender roll of the sheet. In the flooring material laminated sequentially from the bottom to the base layer, the middle layer, the upper layer, etc., the aluminum-containing metal chip according to claim 1 to the base layer or the intermediate layer by the scattering method Flooring characterized in that.