KR100914496B1 - Ceramic composition containing sandy soil and manufacturing method of punch'ong porcelain using the same - Google Patents

Abstract

A ceramics body composite including a sandy soil and a manufacturing method of a grayish-blue-powdered celadon using the same are provided to reduce a manufacturing cost of ceramics by facilitating supply and demand of raw material. A manufacturing method of a grayish-blue-powdered celadon comprises the following steps: a step for molding a vessel through a grayish-blue-powdered celadon paste prepared by a ceramics body composite; a step for decorating a body for a surface decoration to the molded vessel; a step for primarily sintering the decorated vessel at 800~900‹C after drying the decorated vessel; and a step for secondarily sintering the primarily sintered vessel at 1200~1300‹C after applying glaze to the primarily sintered vessel. The body for the surface decoration is made of gairome clay 40~80 weight%, silica 10~50 weight%, and feldspar 10~50 weight%.

Description

Ceramic composition containing sandy soil and method for making buncheok using the same {Ceramic composition containing sandy soil and manufacturing method of Punch'ong porcelain using the same}

The present invention relates to a porcelain holding composition using Sato that can be collected from nature as a raw material of porcelain porcelain instead of conventionally used quartz and feldspar, and a method for producing a bunsoksa using the same.

In general, porcelain holdings include feldspar and quartzite as essential raw materials, and have been used in a constant composition with kaolin. However, since these materials are generally present in a mixed state with other minerals in nature, they can be supplied only after the sorting process that primarily classifies the minerals collected from nature. do. Therefore, a situation that needs to be used as a raw material for porcelain holding material that can be used immediately after extracting from nature from the raw material of the existing ceramic holding.

On the other hand, buncheongsagi is a porcelain baked by molding with a lot of iron powder, and then coated with clay and decorated in a variety of ways with a transparent oil. Normally, the clay for making buncheoksagi has used porcelain materials including feldspar and quartzite as well as general ceramics. However, in the case of making a buncheoksa using such a conventional ceramic material, when the inlay was carved, the color distinction between the tato and the inlay was ambiguous, so that there was a limit to the ceramic producer expressing the patterns of various colors. In addition, special attention is required in the manufacturing process, such as deformation of the mold easily after molding and shaping or breakage easily after bending.

The present invention was created to improve the above-described problems, and can be expressed in various colors by using a ceramic material composition and a ceramic material composition, which makes it possible to use Sato that can be used immediately as a raw material of ceramic material. There is a technical problem in providing a method of making a dust jet.

The present invention to solve the above technical problem is Sato 50 to 70% by weight; 10-40% by weight of clay; And 5 to 20% by weight of pink kaolin; wherein the composition is based on 100 mole parts of Al ₂ O ₃ , 250 to 280 mole parts of SiO ₂ ; 8 to 13 mole parts of Fe ₂ O ₃ ; 8 to 15 moles of K ₂ O; MgO 4-6 mole parts; CaO 0.5-2 mole parts; It provides a ceramic material composition comprising a; Na ₂ O 0.4 ~ 0.6 mol parts.

In addition, the present invention comprises the steps of (a) shaping the article with a buncheoksa prepared with earthenware composition as described above; (b) decorating the molded article with the surface decoration material; (c) first firing the decorated article at 800-900 ° C. after drying; And, (d) after lubricating the glaze to the first fired substrate chaebol firing at 1200 ~ 1300 ℃; provides a method for producing a powder sprayer comprising a.

According to the present invention, the following effects are expected.

First, since Sato, which is taken from nature and can be used immediately, is used as a raw material for porcelain holdings, the supply and demand of raw materials can be facilitated, thereby reducing the manufacturing cost of ceramics.

Second, the proper composition of Sato, clay, and pink kaolin can provide porcelain base with excellent plasticity and physical properties. Furthermore, when the porcelain base is used as a mortar, the color of white inlay or momiji inlay is clearly expressed. You can make a Buncheongsa. This enables potters to produce buncheoks with excellent quality and various designs.

1 is a view showing a combination of porcelain body according to the present invention.

2 to 4 is a photograph taken a test piece for testing the physical properties of the ceramic material composition according to the present invention.

5 to 8 are photographs taken of the test piece for testing the surface decoration material composition proposed in the present invention.

9 to 11 are photographs showing the dust sprayer manufactured according to the present invention.

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

1. Porcelain holding composition

The porcelain holding composition of the present invention has the technical characteristics of including the raw material of Sato as it is taken from the natural material, but because of the plasticity is difficult to drop only by Sato, the present invention proposes to form clay and pink kaolin together with Sato. Doing. Clay and pink kaolin complement Sato to improve plasticity, and pink kaolin also contributes to its unique color. In particular, the present invention proposes a composition range of the upper left portion of the triangular distribution of Icheonsato-Sarisan clay-pink kaolin as shown in Fig. 1 while adopting Sashiro to Icheon Sato as clay. That is, the composition range of 50 to 70% by weight of Sato, 10 to 40% by weight of clay, and 5 to 20% by weight of pink kaolin. This composition range is the most suitable range for ceramic materials in consideration of physical properties such as plasticity, bending strength and hot load.

In addition, in the present invention, the porcelain holding composition of the composition range as described above was analyzed by Seger (Zegel) formula, and as a result, even if clay and sato of other fats were adopted, it was 250 to 280 mol parts of SiO _{2 based} on 100 mol parts of Al ₂ O ₃ ; 8 to 13 mole parts of Fe ₂ O ₃ ; 8 to 15 moles of K ₂ O; MgO 4-6 mole parts; CaO 0.5-2 mole parts; And, Na ₂ O 0.4 ~ 0.6 mol parts; If the composition to include will be able to provide porcelain holding the same as adopting Icheon Sato and Sarisan clay.

Example 1 Ceramic Pottery Composition

In the present invention, the porcelain body was composed of the combination as shown in Table 2 below, using the raw materials of Icheon Sato, Salic Clay, and Pink Kaolin having the components shown in Table 1 below.

Analysis of main ingredients of raw materials  weight% SiO ₂ Al ₂ O ₃ Fe ₂ O ₃ MgO CaO Na ₂ O K ₂ O  Icheon Sato 42.6061 30.3140 6.8144 0.5524 0.2087 0.0905 2.1043  Sarisan Clay 58.2353 25.9013 1.4647 0.8364 0.5473 0.0859 6.6822  Pink kaolin 43.5971 34.4417 3.4996 0.3755 0.3513 0.1891 0.3652

Porcelain Combination 1 Combination 2 Combination 3 Combination 4 Composition (% by weight) Icheon Sato 70 65 60 65 Sarisan Clay 20 25 25 30 Pink kaolin 10 10 15 5 system 100 100 100 100 Component Analysis (Seger) SiO ₂ 2.6057 2.6699 2.6542 2.7515 Al ₂ O ₃ 1.0000 1.0000 1.0000 1.0000 Fe ₂ O ₃ 0.1158 0.1109 0.1066 0.1103 MgO 0.0501 0.0517 0.0506 0.0545 CaO 0.0177 0.0189 0.0192 0.0198 Na ₂ O 0.0055 0.0055 0.0057 0.0053 K ₂ O 0.1032 0.1123 0.1084 0.1257

Test Example 1 Plasticity of Porcelain Body

Plasticity was measured for the porcelain base combinations of Table 2 to determine whether porcelain molding is possible with porcelain base according to the present invention. Plasticity was measured in a state in which the amount of plasticization suitable for each combination was obtained and then kneaded well and aged for 30 days, using four types of coiling method, bending method, sliding method and sliding method. The plasticity measurement results are shown in Table 3 below when expressed as relative values when the plasticity of the cedar clay is viewed as optimum (10). As a result of plasticity measurement, all four kinds of ceramic materials showed plasticity value that could be manufactured by spinning wheel.

Plasticity Combination 1 Combination 2 Combination 3 Combination 4 Plasticity ◎ ◎ ◎ ◎ (●: Optimal, ◎: Excellent, ○: Normal, ▲: Insufficient, △: Short, ×: Not available)

Test Example 2 Physical Properties of Porcelain Body

In the case of porcelain made of porcelain base according to the present invention, the porcelain molding combination of Table 2 in order to check whether porcelain molding is possible, when the calcined porcelain of the porcelain in the electric kiln with 1230 ℃ oxide specific gravity, absorption rate, Porosity, bending strength, plastic shrinkage rate, hot load and the like were measured. In this case, to measure the specific gravity, absorption rate, and porosity of the substrate, a disc-shaped test piece having a diameter of 1 inch was manufactured as shown in FIG. 2, and a bar having a size of 5.0 × 0.8 × 0.8 cm as shown in FIG. 3 (a) to measure the bending strength. A mold was produced. In addition, in order to measure the shrinkage rate and the hot load, a bar mold having a size of 5.0 × 10.0 × 0.8 cm was formed as shown in FIG. Specific gravity, water absorption and porosity were measured according to KSL3114, and dry shrinkage and plastic shrinkage were measured according to KSL4004. In addition, the bending strength value was measured by the equation of Figure 3 (b) using a three-point bending machine, the hot load value was measured as shown in Figure 4 (b). The measurement results are shown in Table 4 below.

Physical Properties After Firing importance Absorption rate (%) Porosity (%) Bending strength (kg / cm ² ) Dry Shrinkage (%) Plastic Shrinkage (%) Total Shrinkage (%) Hot load (mm) Combination 1 2.449 0.154 0.376 625 7.86 12.06 18.97 2 Combination 2 2.472 0.126 0.312 701 7.46 11.36 17.97 0.5 Combination 3 2.460 0.142 0.348 689 7.57 11.53 18.23 One Combination 4 2.447 0.141 0.345 671 7.77 11.68 18.54 2

As shown in Table 4, the four porcelain compositions of the four combinations showed good absorption rates of 0.15% and porosity of less than 0.4%. In particular, the composition of porcelain body of Combination 2, which is 65% Icheon Sato, 25% Saris Clay, and 15% Pink Kaolin is very good, including 701kg / cm of bending strength, 0.126 (%), porosity 0.312 (%), and hot load value of 0.5mm. It is judged to be the most preferable holding composition.

As described above, in the case of the porcelain base material composition according to the present invention, it was confirmed that the porcelain base was suitable in terms of plasticity and physical properties. In the process of making actual ceramics, the deformity was flexible, so that the work could be molded according to the intention of the producer. Furthermore, after molding and shaping the work, the deformation was less deformed and the breakage rate was less after the bending.

2. Body composition for surface decoration

In the present invention, it is proposed to be divided into two kinds of possession for white inlay and possession for momiji (red spot) inlay as the surface decoration.

The present invention proposes to form feldspar in addition to wamok clay and quartzite as a base for white inlay. This is distinguished from the possession for white inlay which has only been made of wood clay and silica. The inclusion of feldspar is expected to improve the light transmittance, further enhancing the whiteness. In particular, the present invention proposes to adopt a quartzite and feldspar for granting a quartzite and a feldspar, while suggesting the composition range of 40-80% by weight of clay wood, 10-50% by weight of quartzite, 10-50% by weight of feldspar. This composition range is most suitable as a white decorative base material in consideration of the adhesion and color with the base material for shrinkage having a shrinkage of 17.5 ~ 19%. In addition, the present invention was analyzed by Seger (Zegel) formula of the composition of the composition range as described above, as a result, even if it adopts silica and feldspar of other fats, SiO ₂ 750 ~ 950 mole parts with respect to 100 mole parts of Al ₂ O ₃ ; 1.36-2.03 mol parts of Fe ₂ O ₃ ; K ₂ O 10.26-16.33 moles; 2.9 to 4.0 mole parts MgO; CaO 2.5-3.2 mole parts; If Na ₂ O 7.1 ~ 8.5 mol parts; If the composition is to include the grant and the grant may be as good as having adopted.

Example 2 Body Composition for White Inlay

In the present invention, the porcelain body was composed of a combination as shown in Tables 6 to 8 below, using raw materials of Buyeo Quartzite, Buyeofeldspar and Wako clay having the components shown in Table 5 as raw materials. Since the primary clay, woody clay, became white after firing, the composition of the base material was determined by replacing the content of woody clay with Buyeo Quartz and Buyeo Quartz in the line containing the most wood.

Analysis of main ingredients of raw materials  weight% SiO ₂ Al ₂ O ₃ Fe ₂ O ₃ MgO CaO Na ₂ O K ₂ O Wamok Clay 62.6287 26.9328 0.9082 0.4470 0.2908 0.0951 2.2625 Buyeo Seokseok 99.0226 0.2802 0.0131 0.0001 0.1515 0.0331 0.1638 Buyeostone 70.1434 13.7041 0.0216 0.0226 0.4434 5.9513 3.4828

White inlay combination (1) Combination 1 Combination 2 Combination 3 Combination 4 Combination 5 Composition (% by weight) Wamok Clay 80 70 60 50 40 Buyeo Seokseok 10 20 30 40 50 Buyeostone 10 10 10 10 10 system 100 100 100 100 100 Component Analysis (Seger) SiO ₂ 4.9562 5.9121 7.1572 8.8464 11.2686 Al ₂ O ₃ 1.0000 1.0000 1.0000 1.0000 1.0000 Fe ₂ O ₃ 0.0203 0.0202 0.0200 0.0197 0.0193 MgO 0.0397 0.0393 0.0388 0.0382 0.0373 CaO 0.0231 0.0249 0.0273 0.0304 0.0350 Na ₂ O 0.0484 0.0542 0.0618 0.0722 0.0870 K ₂ O 0.1026 0.1049 0.1078 0.1119 0.1177

White inlay combination (2) Combination 6 Combination 7 Combination 8 Combination9 Combination10 Composition (% by weight) Wamok Clay 70 60 50 40 60 Buyeo Seokseok 10 20 30 40 10 Buyeostone 20 20 20 20 30 system 100 100 100 100 100 Component Analysis (Seger) SiO ₂ 5.3184 6.3919 7.8167 9.7988 5.7278 Al ₂ O ₃ 1.0000 1.0000 1.0000 1.0000 1.0000 Fe ₂ O ₃ 0.0189 0.0186 0.0181 0.0175 0.0174 MgO 0.0371 0.0364 0.0354 0.0340 0.0343 CaO 0.0258 0.0281 0.0312 0.0354 0.0289 Na ₂ O 0.0959 0.1088 0.1260 0.1499 0.1496 K ₂ O 0.1150 0.1192 0.1247 0.1324 0.1290

White inlay combination (3) Combination11 Combination12 Combination13 Combination14 Combination15 Composition (% by weight) Wamok Clay 50 40 50 40 40 Buyeo Seokseok 20 30 10 20 10 Buyeostone 30 30 40 40 50 system 100 100 100 100 100 Component Analysis (Seger) SiO ₂ 6.9437 8.5927 6.1943 7.5851 6.7307 Al ₂ O ₃ 1.0000 1.0000 1.0000 1.0000 1.0000 Fe ₂ O ₃ 0.0168 0.0159 0.0156 0.0147 0.0136 MgO 0.0330 0.0314 0.0310 0.0291 0.0272 CaO 0.0318 0.0358 0.0324 0.0361 0.0364 Na ₂ O 0.1716 0.2015 0.2108 0.2446 0.2811 K ₂ O 0.1356 0.1445 0.1449 0.1547 0.1633

[Test Example 3]

Make inlay according to the combination ratio as shown in Table 6 to Table 8 Attached to the possession of Buncheongsa (65% by weight of Icheon Sato, 25% by weight of clay clay, 15% by weight of pink kaolin having 17.97% shrinkage) Sex and chromaticity were tested.

Figure 5 (a) shows the state in which the white inlay possession on the possession of the Buncheongsa, Figure 5 (b) shows the state after drying the white inlay possession, as shown in Figure 5 (b) There was no inlay caused by the difference in contraction with the body. The test pieces were first roasted at 850 ° C. for 8 hours, as shown in FIG. 6 (a). The samples were calcined with lime transparent glaze and fired at 1215 ° C. for 1 hour in a reducing atmosphere. It was like As shown in (b) of FIG. 6, the adhesiveness with the base was excellent except for the inlay according to the composition of Combination 14, and the inlay according to the composition of Combination 4 showed the best whiteness in terms of color. According to the test results, the present invention proposes 50% by weight of wamok clay, 40% by weight of quartzite and 10% by weight of feldspar as the most preferred composition of white inlay.

On the other hand, the present invention proposes that together with feldspar in addition to wamok clay and quartzite as a base for momi inlay, the composition for momi retardation of the present invention is characterized by including pink kaolin as raw material together with wamo clay. It is expected that reddish color will be expressed by pink kaolin. In particular, the present invention proposes a composition range of 55 to 65% by weight of pink kaolin and 35 to 45% by weight of vulcanized clay. As a decorative base for the most suitable range. In addition, in the present invention, the composition having the composition range as described above was analyzed by Seger (Zegel) formula, and as a result, SiO ₂ 230 to 300 mole parts relative to 100 mole parts of Al ₂ O ₃ ; 2.6 to 3.8 mole parts of Fe ₂ O ₃ ; 1.0 to 3.0 mol parts of K ₂ O; MgO 3.0-5.0 mol part; CaO 7.0-8.5 mole parts; If the composition to include Na ₂ O 2.0 ~ 3.5 mole parts, it will be able to provide possession of the same properties irrespective of the collection point of the furrow clay and pink kaolin.

Example 3 Body Composition for Momi Reduction

In the present invention, the porcelain body was composed of the combination as shown in Table 10 and Table 11 using the pink kaolin and walmok clay having the components shown in Table 9 as raw materials.

Analysis of main ingredients of raw materials  weight% SiO ₂ Al ₂ O ₃ Fe ₂ O ₃ MgO CaO Na ₂ O K ₂ O Pink kaolin 43.5971 34.4417 3.4996 0.3755 0.3513 0.1891 0.3652 Wamok Clay 62.6287 26.9328 0.9082 0.4470 .02908 0.0951 2.2625

Momiji inlay combination (1) Combination 1 Combination 2 Combination 3 Combination 4 Combination 5 Composition (% by weight) Pink kaolin 90 80 70 60 50 Wamok Clay 10 20 30 40 50 system 100 100 100 100 100 Component Analysis (Seger) SiO ₂ 2.5264 2.5483 2.5702 2.5921 2.6140 Al ₂ O ₃ 1.0000 1.0000 1.0000 1.0000 1.0000 Fe ₂ O ₃ 0.0420 0.0401 0.0383 0.0364 0.0346 MgO 0.0439 0.0412 0.0385 0.0358 0.0331 CaO 0.1126 0.1013 0.0900 0.0787 0.0674 Na ₂ O 0.0296 0.0269 0.0242 0.0216 0.0189 K ₂ O 0.0145 0.0161 0.0178 0.0194 0.0211

Momiji inlay combination (2) Combination 6 Combination 7 Combination 8 Combination9 Composition (% by weight) Pink kaolin 40 30 20 10 Wamok Clay 60 70 80 90 system 100 100 100 100 Component Analysis (Seger) SiO ₂ 2.6359 2.6579 2.6798 2.7018 Al ₂ O ₃ 1.0000 1.0000 1.0000 1.0000 Fe ₂ O ₃ 0.0327 0.0309 0.0290 0.0272 MgO 0.0303 0.0276 0.0249 0.0222 CaO 0.0560 0.0447 0.0333 0.0220 Na ₂ O 0.0163 0.0136 0.0109 0.0082 K ₂ O 0.0227 0.0244 0.0260 0.0277

[Test Example 4]

Make inlays according to the combinations of Table 10 and Table 11 attached to the Buncheongsagi (65% by weight of Icheon Sato, 25% by weight of clay clay, 15% by weight of pink kaolin with 17.97% shrinkage) Sex and chromaticity were tested.

Figure 7 (a) shows a state in which the possession of the Momi moisturizing possession in the possession of the Buncheongsagi, Figure 7 (b) shows a dry state after the seeding of the momi retardation possession, dried as shown in Figure 7 (b) There was no defect by shrinkage. The test pieces were first baked at 850 ° C. for 8 hours, as shown in FIG. 8 (a). The samples were put in a gas kiln with lime transparent glaze and fired at 1215 ° C. for 1 hour in a reducing atmosphere. It was like The overall adhesion was good, but in terms of color, the inlay according to the composition of Combination 4 showed the best momiji. According to the test results, the present invention proposes 60% by weight of pink kaolin and 40% by weight of oak clay as the most preferable composition of momi inlay.

3. Buncheongsa production

The present invention proposes to use the porcelain holding composition described above as a holding material for buncheongsa. In other words, prepare porcelain mortar earthenware with porcelain holding composition composed of Sato, clay, pink kaolin, and then form the body and decorate it with surface decoration body and then dry the body, then 800 ~ 900 First firing at ℃ and then lubricated with glaze at 1200 ~ 1300 ℃ to produce a powder sprayer.

In particular, in the present invention, the white inlay or pink kaolin 55-65 weight, consisting of 40 to 80% by weight of wamok clay, 10 to 50% by weight of quartzite, and 10 to 50% by weight of feldspar, as described above. It is suggested to have Momiji Inlay which consists of% and 35-45% by weight of wamok clay.

Example 4 Fabrication of Buncheongsa decorated with white inlay

The composition according to Combination 2 (65% of Icheon Sato, 25% of Sarisan Clay, 15% of Pink Kaolin) in Example 1 was prepared as a base material for Buncheongsa, and in Example 2, Combination 4 (50% by weight of Cedar Clay) , 40% by weight of grant quartzite, 10% by weight of granting feldspar) was prepared as a surface decorative material for white inlay. After molding the body with the above-mentioned mortar and earthenware, it was decorated with the above-mentioned surface decoration material, and after drying, it was first baked at 850 ° C. for 8 hours in an oxidizing atmosphere and then fed with a lime transparent glaze in a reducing atmosphere of 1215 ° C. The conglomerate fired. As a result, as shown in FIG. 9, the dust sprayer was completed, and as shown, the black and white border was clearly seen.

Example 5 Fabrication of Buncheongsa decorated with Momiji inlay

Porcelain body composition according to Combination 2 (65% of Icheon Sato, 25% of Sarisan Clay, 15% of Pink Kaolin) in Example 1 was prepared as Bunto Sagi placenta, and Combination 4 of Example 3 (40 Wakum Clay) %, 60% by weight of pink kaolin) was prepared as a surface decoration for the texture of the texture. After shaping the body into the base material for the powder of the powdered dust, it was decorated with the material for surface decoration (dumbing method), followed by drying for 8 hours at 850 ° C, and then reducing lime at 1215 ° C by applying lime transparent glaze. Firing at the conglomerate. As a result, as shown in FIG. 10 and FIG. 11, the dust sprayer was completed, and as shown, a natural pattern was produced while changing to red and yellow.

Although the present invention has been described in detail with reference to the described embodiments, those skilled in the art to which the present invention pertains will be capable of various substitutions, additions and modifications without departing from the technical spirit described above. It is to be understood that such modified embodiments also fall within the protection scope of the present invention as defined by the appended claims below.

Claims (5)

delete 50-70% by weight of Icheon Sato; 10-40% by weight of clay clay; And, 5 to 20% by weight of pink kaolin; composition comprising a, The composition is 250 to 280 mol parts of SiO ₂ with respect to 100 mol parts of Al ₂ O ₃ ; 8 to 13 mole parts of Fe ₂ O ₃ ; 8 to 15 moles of K ₂ O; MgO 4-6 mole parts; CaO 0.5-2 mole parts; Na ₂ O 0.4 ~ 0.6 mole parts; Porcelain holding composition comprising a. (a) molding the article into a powder duster prepared with the porcelain holding composition of claim 2; (b) decorating the molded article with the surface decoration material; (c) first firing the decorated article at 800-900 ° C. after drying; And, (d) firing glaze at 1200 ~ 1300 ° C. after the glaze is applied to the first fired product. In claim 3, The step (b) is a method for producing a powder sprayer, characterized in that using the surface decorative material consisting of 40 ~ 80% by weight of clay, 10-50% by weight of silica, and 10-50% by weight of feldspar. In claim 3, The step (b) is a method for producing a powder sprayer, characterized in that using the surface decorative material consisting of 55-65% by weight of pink kaolin and 35-45% by weight of vulcanized clay.