WO2016036146A1 - 천연석 외관을 구현하는 다공성 세라믹 타일 및 그의 제조방법 - Google Patents

천연석 외관을 구현하는 다공성 세라믹 타일 및 그의 제조방법 Download PDF

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WO2016036146A1
WO2016036146A1 PCT/KR2015/009261 KR2015009261W WO2016036146A1 WO 2016036146 A1 WO2016036146 A1 WO 2016036146A1 KR 2015009261 W KR2015009261 W KR 2015009261W WO 2016036146 A1 WO2016036146 A1 WO 2016036146A1
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Prior art keywords
ceramic tile
porous ceramic
particles
tile
tiles
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PCT/KR2015/009261
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English (en)
French (fr)
Korean (ko)
Inventor
강봉규
강길호
윤삼훈
서정욱
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(주)엘지하우시스
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Application filed by (주)엘지하우시스 filed Critical (주)엘지하우시스
Priority to JP2017512385A priority Critical patent/JP6348658B2/ja
Priority to CN201580047004.8A priority patent/CN106795063A/zh
Publication of WO2016036146A1 publication Critical patent/WO2016036146A1/ko

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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/04—Clay; Kaolin
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof

Definitions

  • the present invention relates to a porous ceramic tile that realizes natural stone appearance and a method of manufacturing the same.
  • Tiles are flat clay plastic products made to cover surfaces such as floors and walls. They are usually very thin compared to the surface area and are chemically applied at temperatures above red during the manufacturing process, where they are glazed or poured with glaze or not glazed. It refers to heat treatment that causes a substantial change in the mechanical properties of the ceramic body by reaction, crystal modification, and melting of the component, thereby having special physical properties and characteristics.
  • the tiles include interior tiles, exterior tiles, mosaic tiles, acid resistant tiles, floor tiles, salt tiles, query tiles, and the like.
  • Tiles have various performances and are relatively simple to construct, and they are rarely cracked or discolored after construction and are particularly durable, making them the best material for covering and protecting the surface of structures. It is widely used in toilets, bathrooms, washrooms, etc.
  • tiles are exterior or interior materials, which are finishing materials for building, and are used for surface decoration to enhance the aesthetic effect of buildings. Therefore, the color or shape of the surface should be beautiful. Therefore, these days, the development of excellent decorative tiles is on the trend.
  • One embodiment of the present invention provides a porous ceramic tile that implements the appearance of natural stone by each composition comprises a different decorative effect material.
  • Another embodiment of the present invention provides a method of manufacturing the porous ceramic tile.
  • a porous ceramic tile comprising at least two ceramic tile particles, each of the at least two ceramic tile particles comprises a different decorative effect material.
  • Each of the two or more ceramic tile particles may include pigments of different colors, and the colors applied to the two or more ceramic tile particles may be combined to realize a complex color.
  • the decoration effect material may include at least one selected from the group consisting of pigments, metal flakes, metal powders, glitter powders, and combinations thereof.
  • the two or more ceramic tile particles may be in the form of a plurality of small particles, and may include a structure in which the small particles are collected.
  • An average diameter of the two or more ceramic tile particles may be about 50 ⁇ m or more.
  • the two or more particles for ceramic tiles may include a decoration effect material, ⁇ -alumina, and a parent material.
  • the parent material may include at least one selected from the group consisting of clay, loess, clay and combinations thereof.
  • the ⁇ -alumina may include mesopores having a mean diameter of about 2 nm to about 50 nm.
  • the pore volume of the meso pores may be about 0.001cm 3 / g to about 0.1 cm 3 / g.
  • the porous ceramic tile may include pores having an average diameter of about 10 nm to about 10 um.
  • forming a ceramic molded body by mixing the composition for two ceramic tiles comprising different decorative effect material; Dry pressing the ceramic molded body to produce a porous ceramic tile; Drying the molded porous ceramic tile; Lubricating the dried porous ceramic tile with glaze; And it provides a porous ceramic tile manufacturing method comprising the step of firing the oiled porous ceramic tile.
  • the two ceramic tile compositions are formed by a spray drying process after mixing, pulverizing, and milling a decorative effect material, an aluminum source that can be phased into ⁇ -alumina, and a parent material. Can be.
  • the aluminum source which may be phase-modified with ⁇ -alumina may be at least one selected from the group consisting of aluminum hydroxide, aluminum nitride, aluminum carbonate, aluminum chloride, aluminum chloride dihydrate, and combinations thereof.
  • the firing step may be performed for a time of about 1 minute to about 15 minutes at a temperature of about 800 °C to about 1000 °C.
  • the porous ceramic tile can be used for indoor interiors by realizing the appearance of natural stone, it can exhibit a more natural beauty.
  • porous ceramic tile Through the method of manufacturing the porous ceramic tile, it is possible to produce a porous ceramic tile having an appearance similar to granite and excellent humidity control function and durability.
  • 1 is a schematic view showing a porous ceramic tile and a manufacturing method.
  • Figure 2 shows a photograph taken with a porous ceramic tile which is an embodiment of the present invention.
  • a porous ceramic tile comprising at least two ceramic tile particles, each of the at least two ceramic tile particles comprises a different decorative effect material.
  • ceramic tiles are relatively inexpensive because they can be mass-produced in comparison with the natural stone material, but the color of the tile surface is mainly determined by the glaze of the tile surface, so that the color and pattern are simple and are limited to the relatively unnatural appearance. There was a problem.
  • the porous ceramic tile includes two or more ceramic tile particles, and the two or more ceramic tile particles include different decorative effect materials, so that the appearance of natural stone can be realized and excellent natural beauty is given to the room. Can be used for interior purposes.
  • the two or more ceramic tile particles may include particles for a first ceramic tile and particles for a second ceramic tile, and each of the particles may include a composition for a first ceramic tile and a composition for a second ceramic tile, which will be described later. Can be formed.
  • the decoration effect material may include at least one selected from the group consisting of pigments, metal flakes, metal powders, glitter powders, and combinations thereof.
  • the at least two ceramic tile compositions may exhibit a complex visual effect by including the various decorative effect material.
  • the particles for the first ceramic tile and the particles for the second ceramic tile include pigments of different colors, and the colors applied to the particles for the first ceramic tile and the particles for the second ceramic tile are combined together. Color can be realized.
  • the pigment refers to a colorant having an intrinsic color, and each of the pigments included in the particles for the first and second ceramic tiles may realize a complex color, thereby exhibiting the appearance of natural stone, specifically, natural appearance such as granite and marble. have.
  • the two or more ceramic tile particles may be in the form of a plurality of small particles, and may include a structure in which the small particles are collected.
  • the ceramic molded body is subjected to a firing step of two or more ceramics Tile particles may be formed, the two or more ceramic tile particles may be in the form of small particles.
  • the average diameter of the two or more ceramic tile particles may be 50um or more, for example, 50um to 1,000um.
  • Mean diameter means the average value of the diameter measured in any region of the particle, by adjusting the average diameter of the particles in the range can be modified the appearance of the tile, the mixing effect of the particles of different colors is maximized natural appearance The effect can be improved.
  • the average diameter of the particles is less than about 50 ⁇ m, the visual effects are insignificant due to lack of visibility, and when the average diameter is greater than about 1,000, the visibility is so strong that the boundary with other particles may be difficult to express a harmonious appearance. have.
  • the particles may include different decorative effect material materials, and may be in the form of small particles having different colors or textures, and the tiles may include a structure in which the small particles are collected, dried, oiled, baked, or the like. have.
  • the aggregated structure may include two or more colors or textures of different materials, and may exhibit excellent natural beauty as compared with conventional porous ceramic tiles formed of particles for ceramic tiles to realize one color.
  • the two or more particles for ceramic tiles may include a decoration effect material, ⁇ -alumina, and a parent material.
  • additives such as frit, flux, peptizer, filler, thickener, antimicrobial agent, antifungal agent, and stabilizer may be further included as a functional material.
  • about 100 parts by weight of the parent material may include about 0.1 parts by weight to about 20 parts by weight of a decorative effect implementing material. Bars are made of porous ceramic tiles through several steps, such as the manufacturing method to be described later, by controlling the content of the material to implement the decoration effect can be expressed in color or texture in the final product.
  • the decorative effect implementing material When the decorative effect implementing material is included in less than about 0.1 part by weight, the visibility may be lowered. When the decorative effect material is included in an amount of more than about 20 parts by weight, the raw material cost may increase and damage may occur due to the decrease in strength. It is advantageous in that it comprises a visual effect and physical stability.
  • the particles for the first ceramic tile is 5 parts by weight to 10 parts by weight of the material for embodying decorative effects based on 100 parts by weight of the parent material
  • the particles for the second ceramic tile are 5 parts by weight based on 100 parts by weight of the parent material. It may comprise from 10 parts by weight of the decorative effect material.
  • the parent material is a material serving as a base material for forming the porous ceramic tile, that is, a material serving as a skeleton in the tile, and the parent material may be at least one selected from the group consisting of clay, clay, loess, and combinations thereof. .
  • the content of the parent material is not particularly limited and may vary depending on the application and use of the porous ceramic tile as other additives are added.
  • the parent material may include the entire composition for the ceramic tile. About 10 parts by weight to about 70 parts by weight, based on parts by weight. By including the parent material in the above range can be imparted appropriate moldability and sinterability to the porous ceramic tile, it is possible to ensure the mechanical stability.
  • Particles for the two or more ceramic tiles include ⁇ -alumina, it is possible to implement the humidity control function.
  • the particles can have excellent moisture control and durability due to ⁇ -alumina and at the same time, due to the decoration effect material material, it can manage the indoor air quality when used for indoor interior. .
  • the ⁇ -alumina can impart a humidity control function as alumina in a transition state. It is a material that can be transformed to other structures by a constant heat treatment, and has excellent specific properties as a separator, a catalyst, a catalyst carrier, and an adsorbent because it has a large specific surface area and fine pore holes.
  • the ⁇ -alumina may have excellent humidity and deodorizing function by including pores on the surface. Accordingly, the ⁇ -alumina absorbs moisture through pores when the humidity is high to lower the humidity in the room, and conversely, when the humidity is low, it releases moisture stored in the pores to increase the indoor humidity.
  • the gamma -alumina may be commercially available gamma -alumina, but in terms of cost reduction and efficiency, more specifically, gamma -alumina in which a low-cost aluminum source is phase-shifted by heat treatment may be used.
  • the two or more ceramic tile particles may have hygroscopicity and moisture resistance by containing ⁇ -alumina, thereby exhibiting a function of controlling indoor humidity, and inhibiting condensation formation and microorganism growth such as mold.
  • the ⁇ -alumina may include about 5 parts by weight to about 40 parts by weight, specifically about 10 parts by weight to about 35 parts by weight, based on 100 parts by weight of the parent material.
  • the ⁇ -alumina is less than about 5 parts by weight with respect to 100 parts by weight of the parent material, it may be difficult to exhibit a sufficient humidity control function.
  • the ⁇ -alumina exceeds about 40 parts by weight, as the sintering strength of the porous ceramic tile decreases, There is a fear that the strength of the tile is lowered.
  • the ⁇ -alumina may include mesopores (mesopore) having an average diameter of 2nm to 50nm.
  • mesopores mesopore
  • the ⁇ -alumina includes mesopores having an average diameter of about 2nm to about 50nm Can be exceeded 50 g / m 2 .
  • the mesopore is out of the above range, the moisture absorption and desorption of ⁇ -alumina is insignificant and there is almost no humidity control effect.
  • the porous ceramic tile may include a mesopor having a predetermined average diameter inside the tile by a manufacturing method to be described later.
  • the moisture absorption and moisture content can exceed 50g / m 2 , it is possible to exhibit an excellent humidity control function and to express the natural stone appearance naturally.
  • the 'average diameter' means the average value of the pore diameter measured in each of the mesopores arbitrary region, if the mesopore average diameter is less than about 2nm it is possible to absorb moisture, but not moisture-proof, there is a limit to humidity control When it exceeds about 50 nm, moisture absorption and moisture absorptivity cannot be exhibited.
  • the pore volume of the meso pores may be 0.001cm 3 / g to 0.1 cm 3 / g.
  • the 'average diameter' can be measured by Bruneter-Emmet-Teller (BET), the 'pore volume' can be calculated by measuring the volume of mesopores included per unit weight of ⁇ -alumina.
  • BET Bruneter-Emmet-Teller
  • the mesopores are advantageous in maintaining a functional site capable of controlling humidity by maintaining the pore volume, thereby enabling sufficient humidity control.
  • the porous ceramic tile may include pores having an average diameter of about 10 nm to about 10 um.
  • the pores are self pores of the porous ceramic tile. If the pores are less than about 10 nm, the entrance and exit of air may not be easy, and thus humidity control functions may be limited according to hygroscopicity and moistureproofness. The tissue density of the tissue is lowered and the strength is weakened, so it can be easily broken.
  • Another embodiment of the present invention comprises the steps of mixing the composition for ceramic tiles of the second type comprising different decorative effect material to form a ceramic molded body; Dry pressing the ceramic molded body to produce a porous ceramic tile; Drying the molded porous ceramic tile; Lubricating the dried porous ceramic tile with glaze; And it provides a porous ceramic tile manufacturing method comprising the step of firing the oiled porous ceramic tile.
  • Figure 2 shows by photographing a porous ceramic tile which is an embodiment of the present invention.
  • the method may include forming a ceramic molded body by mixing two kinds of ceramic tile compositions including different decorative effect implementing materials.
  • the composition for the two ceramic tiles is a spray-drying process after the ball milling, mixing and grinding the decorative effect material, an aluminum source that can be phased into ⁇ -alumina, and the parent material. It can be formed by.
  • the mixture may be ground to a uniform mixing and proper size using a ball mill, and water, an organic binder, a dispersing agent and an antifoaming agent may be added in an appropriate amount during the grinding.
  • the pulverized mixture is in the form of a slurry having an appropriate viscosity, it is possible to prepare a composition for two ceramic tiles in the form of granular powder having spherical particles through a spray drying process.
  • the content of the inorganic pigments can control the color and texture to implement the composition, the two kinds of ceramic tiles included in the final tile by controlling the aluminum source content that can be phased into the ⁇ -alumina By controlling the content of ⁇ -alumina in the solvent particles, it is possible to exhibit durability and humidity control functions.
  • the aluminum source which may be phase-modified with ⁇ -alumina may be at least one selected from the group consisting of aluminum hydroxide, aluminum nitride, aluminum carbonate, aluminum chloride, aluminum chloride dihydrate, and combinations thereof. Specifically, aluminum trihydroxide, aluminum chloride and the like can be used.
  • Porous ceramic tiles may be manufactured by dry pressing the manufactured ceramic former.
  • the prepared ceramic molded body that is, the composition mixture for the first and second ceramic tiles in the form of granular powder may be put into a dry press mold to prepare a ceramic molded body having a desired shape.
  • the method may include drying the molded porous ceramic tile.
  • the drying temperature is not particularly limited, but drying may be performed at a temperature of about 200 ° C to about 250 ° C, in which case the molded body deforms or deforms during a short time passing through a hot gas continuous furnace. Defects such as body explosion can be suppressed.
  • the dried porous ceramic tile may include lubricating with glaze.
  • the step is to apply a glaze on the surface of the porous ceramic tile, there is no particular limitation in the oiling method, wet method using a slurry of glaze, dry powder or granules of glaze, dry method using a carpet of frit.
  • the glaze may include water, frit, thickener, and dispersant as a basic composition, and may further include a brown inorganic pigment or a black inorganic pigment.
  • the added inorganic pigment may be 5 parts by weight based on 100 parts by weight of the basic composition.
  • the glaze may not include a separate additional inorganic pigment. In this way it is possible to implement a good natural stone appearance without including an additional inorganic pigment.
  • Firing refers to an operation of heating a combined raw material to form a curable material.
  • the firing process is performed by applying heat to the porous ceramic tile. It can be transformed into a dragon particle and fired.
  • the phase transition of the aluminum source that can be phased into the ⁇ -alumina through the firing step may be a ⁇ -alumina including mesopores having an average diameter of about 2nm to about 5nm, the mesopores Humidity control is possible.
  • the firing step may be performed for a time of about 1 minute to about 15 minutes at a temperature of about 800 °C to about 1000 °C.
  • the moisture absorption and moisture absorption can be improved by changing the aluminum source, which can be phase-transformed into ⁇ -alumina, into ⁇ -alumina.
  • the composition for the two types of ceramic tiles includes the two types of ceramic tiles. It can be transformed into a dragon particle.
  • damage during construction can be minimized.
  • the firing can be carried out for a time of about 1 minute to about 15 minutes. When out of the firing time, the firing may not be sufficiently performed.
  • FIG. 2 is a photograph of the porous ceramic tile formed by the method of manufacturing the porous ceramic tile with a camera, it can be seen that the tile exhibits a similar appearance to granite and marble.
  • the first and second ceramic tile compositions are mixed at a ratio of 3: 7 to form a ceramic molded body, and the ceramic molded body is dry press-molded to form a porous body having a width, length, and thickness of 5 cm, 5 cm, and 0.6 cm, respectively.
  • Ceramic tiles were prepared.
  • the molded porous ceramic tile was dried in a constant temperature chamber at 200 ° C. for about 20 minutes. Thereafter, glaze was applied to the dried porous ceramic tile using a spray gun.
  • the glaze contains 41 parts by weight of water, 52 parts by weight of frit, 6 parts by weight of thickener, and 1 part by weight of dispersant, and does not include an additional inorganic pigment.
  • the glaze was applied onto the tile dried to the level of about 3 ⁇ 10g / m2. Next, it was put into an electric furnace (Furnace) and baked for 5 minutes at a temperature of 850 °C to prepare a porous ceramic tile containing particles for the 1,2, ceramic tiles.
  • a porous ceramic tile was manufactured in the same manner as in the above example except that the porous ceramic tile was manufactured.
  • a porous ceramic tile was manufactured in the same manner as in the above example except for the one described above.
  • the appearance of the natural stone was evaluated by visually observing the colors of the porous ceramic tiles of the examples and the comparative examples.
  • the embodiment was formed using the compositions for the first and second ceramic tiles, the natural stone appearance was superior to Comparative Examples 1 and 2 formed using only the composition for the first ceramic tile.
  • the bending strength is calculated by (3PL) / (2wt ⁇ 2), where P is the maximum load when the tile is broken, L is the outer gap, w is the width of the tile, and t is the thickness of the tile.
  • composition for the first ceramic tile of Comparative Example 2 does not include ⁇ -alumina, and the moisture absorption and moisture absorption is significantly low, so it is difficult to use as a functional indoor building material because it does not possess effective moisture absorption and moisture absorption.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Finishing Walls (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
PCT/KR2015/009261 2014-09-03 2015-09-02 천연석 외관을 구현하는 다공성 세라믹 타일 및 그의 제조방법 WO2016036146A1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017512385A JP6348658B2 (ja) 2014-09-03 2015-09-02 天然石の外観を具現する多孔性セラミックタイル及びその製造方法
CN201580047004.8A CN106795063A (zh) 2014-09-03 2015-09-02 呈现天然石外观的多孔陶瓷砖及其制备方法

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KR1020140116856A KR101891370B1 (ko) 2014-09-03 2014-09-03 천연석 외관을 구현하는 다공성 세라믹 타일 및 그의 제조방법
KR10-2014-0116856 2014-09-03

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JP (1) JP6348658B2 (zh)
KR (1) KR101891370B1 (zh)
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KR20130081430A (ko) * 2012-01-09 2013-07-17 한국과학기술원 세라믹 복합재료 및 그의 제조방법
KR20140055188A (ko) * 2012-10-30 2014-05-09 (주)엘지하우시스 항균 다공성 세라믹 타일 및 이의 제조방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112960969A (zh) * 2021-03-11 2021-06-15 汪强辉 一种砖及其制作工艺

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