JPH0717465B2 - Manufacturing method of artificial stone - Google Patents
Manufacturing method of artificial stoneInfo
- Publication number
- JPH0717465B2 JPH0717465B2 JP11461490A JP11461490A JPH0717465B2 JP H0717465 B2 JPH0717465 B2 JP H0717465B2 JP 11461490 A JP11461490 A JP 11461490A JP 11461490 A JP11461490 A JP 11461490A JP H0717465 B2 JPH0717465 B2 JP H0717465B2
- Authority
- JP
- Japan
- Prior art keywords
- artificial stone
- aggregate
- stone
- silica
- raw material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002969 artificial stone Substances 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000377 silicon dioxide Substances 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 14
- 239000004575 stone Substances 0.000 claims description 9
- 239000000049 pigment Substances 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000010304 firing Methods 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 6
- 238000004381 surface treatment Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Landscapes
- Finishing Walls (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は人造石の製造方法に係り、特に表面に天然石風
の凹凸を有し、風合いに優れ、趣きのある人造石を製造
する方法に関する。Description: TECHNICAL FIELD The present invention relates to a method for producing artificial stone, and more particularly to a method for producing a tasteful artificial stone having a natural stone-like unevenness on the surface and excellent texture. .
［従来の技術］ 近年、天然石の供給量の減少に伴い、各種人造石が建材
等幅広い分野で用いられるようになってきた。従来、人
造石は一般に、各種骨材に硬化剤及び水を加えて混練
し、混練物を成形、次いで焼成することにより製造され
ている。[Prior Art] In recent years, various artificial stones have come to be used in a wide range of fields such as building materials as the supply of natural stones decreases. Conventionally, artificial stone is generally manufactured by adding a curing agent and water to various aggregates and kneading the mixture to form a kneaded product, followed by firing.
しかして、混練物の成形には、 複雑異形状のものも成形することができる。As a result, the kneaded product can be molded into a complex irregular shape.
収縮率が小さく、寸法精度が高い。 Small shrinkage rate and high dimensional accuracy.
等の利点を有することから、型枠内に混練物を鋳込み成
形し、脱型、養生、乾燥する鋳込み成形法が採用されて
いる。Because of the advantages such as the above, a casting method of casting a kneaded product in a mold, demolding, curing, and drying is adopted.
［発明が解決しようとする課題］ 上記鋳込み成形法は、製造上様々な利点を有するもので
はあるが、得られる成形体の表面は平滑であり、従って
焼成後の製品もまた平滑表面の人造石となるため、表面
に自然の凹凸を有する天然石風の人造石が得られないと
いう不具合がある。[Problems to be Solved by the Invention] Although the above-mentioned casting method has various advantages in manufacturing, the surface of the obtained molded body is smooth, so that the product after firing is also an artificial stone having a smooth surface. Therefore, there is a problem that a natural stone-like artificial stone having natural irregularities on the surface cannot be obtained.
本発明は上記従来の問題点を解決し、表面に天然石風の
凹凸を有し、風合いに優れ、趣きのある人造石を製造す
ることができる人造石の製造方法を提供することを目的
とする。It is an object of the present invention to solve the above conventional problems, and to provide a method for producing an artificial stone which has natural stone-like unevenness on the surface, is excellent in texture, and can produce a tasteful artificial stone. .
［課題を解決するための手段］ 請求項（１）の人造石の製造方法は、アルミナセメント
及び骨材を含む原料を用いて人造石を製造するに際し、
骨材成分として珪石及び珪石以外の骨材を用いる製造方
法であって、前記原料を水と共に混練し、型枠を用いて
成形し、次いで脱型した直後に高圧水を噴き付けるか酸
溶液を接触させることにより、表面層のうち主として骨
材成分以外の部分を除去して表面に骨材成分を露出さ
せ、その後乾燥し焼成することを特徴とする。[Means for Solving the Problems] The method for producing an artificial stone according to claim (1), in producing the artificial stone using a raw material containing alumina cement and aggregate,
A manufacturing method using silica stone and aggregates other than silica stone as an aggregate component, wherein the raw materials are kneaded together with water, molded using a mold, and then sprayed with high pressure water or an acid solution immediately after demolding. It is characterized in that, by bringing them into contact with each other, mainly the portions other than the aggregate component are removed to expose the aggregate component on the surface, and then the composition is dried and baked.
請求項（２）の人造石の製造方法は、上記請求項（１）
の人造石の製造方法において、原料中に顔料を含ませる
ことを特徴とする。The method for manufacturing an artificial stone according to claim (2) is based on the above claim (1).
In the method for producing an artificial stone, the raw material contains a pigment.
以下に本発明を詳細に説明する。The present invention will be described in detail below.
本発明においては、まず、アルミナセメント、骨材成分
及び必要に応じて顔料の所定量を混合する。これらのう
ち、骨材成分としては、珪石と珪石以外の骨材、例えば
川砂、シャモット等とを用いるが、珪石以外の骨材の粒
径は３〜10mmの範囲であることが好ましい。また、珪石
としては、下記粒径のものを下記の割合で混合使用する
のが好ましい。In the present invention, first, a predetermined amount of alumina cement, an aggregate component and, if necessary, a pigment are mixed. Of these, silica stone and aggregates other than silica, such as river sand and chamotte, are used as the aggregate component, and the particle diameter of the aggregates other than silica is preferably in the range of 3 to 10 mm. Further, as the silica stone, it is preferable to mix and use those having the following particle sizes in the following ratios.
粗粒（粒径:3〜1mm）＝40〜50重量％ 中粒（粒径:1〜0.3mm）＝25〜40重量％ 微粒（粒径:0.3mm以下）＝15〜30重量％ 顔料としては、酸化コバルト、酸化クロム、酸化鉄等の
金属酸化物を用いることができる。Coarse particles (particle diameter: 3 to 1 mm) = 40 to 50% by weight Medium particles (particle diameter: 1 to 0.3 mm) = 25 to 40% by weight Fine particles (particle diameter: 0.3 mm or less) = 15 to 30% by weight As a pigment As the metal oxide, a metal oxide such as cobalt oxide, chromium oxide, or iron oxide can be used.
これらの原料の混合割合は下記範囲とするのが好まし
い。The mixing ratio of these raw materials is preferably in the following range.
アルミナセメント:100重量部 骨材成分:40〜80重量部 （珪石：珪石以外の骨材＝1:0.3〜0.5（重量比）） 顔料:10重量部以下 原料の混合は、まず珪石及び珪石以外の骨材を混合し、
更に必要に応じて顔料を混合した後、アルミナセメント
を添加混合する。なお、原料中には、レジンバインダー
等の成形助剤、その他の添加剤を配合添加しても良い。Alumina cement: 100 parts by weight Aggregate component: 40-80 parts by weight (silica: Aggregate other than silica = 1: 0.3-0.5 (weight ratio)) Pigment: 10 parts by weight or less Mix raw materials first except silica and silica Of aggregate,
Furthermore, after mixing the pigments as needed, alumina cement is added and mixed. A molding aid such as a resin binder and other additives may be compounded and added to the raw material.
次いで、得られた混合原料を水と共に混練する。具体的
には原料をミキサーに投入し、所定量の水を添加して撹
拌、混練する。ここで、水の添加量は原料に対して７〜
10重量％とするのが好ましい。Next, the obtained mixed raw material is kneaded with water. Specifically, the raw materials are put into a mixer, a predetermined amount of water is added, and the mixture is stirred and kneaded. Here, the amount of water added is 7 to the raw material.
It is preferably 10% by weight.
このようにして得られた混練物は、次いで型枠に鋳込み
成形する。即ち、予め用意された製品形状の型枠を成形
テーブル上に置き、必要に応じて型枠に脱型剤（オイ
ル）を塗布した後、該混練物を鋳込む。その後、20〜40
℃で12〜24時間程度養生した後、脱型する。The kneaded material thus obtained is then cast into a mold. That is, a mold having a product shape prepared in advance is placed on a molding table, a mold release agent (oil) is applied to the mold as needed, and then the kneaded product is cast. Then 20-40
After curing for 12 to 24 hours at ℃, remove the mold.
本発明においては、この脱型直後に、成形体の表面に下
記Ｉ又はIIの表面処理を施す。In the present invention, the surface treatment of the following I or II is applied to the surface of the molded body immediately after the demolding.
Ｉ 成形体表面に高圧水をスプレーガン等で噴き付け
る。この場合、水圧は２〜6kg/cm2程度、スプレーガン
の開口径は1.0〜3.0mm程度で行なうのが好ましい。I High-pressure water is sprayed onto the surface of the molded product with a spray gun. In this case, the water pressure is preferably about 2 to 6 kg / cm 2 , and the opening diameter of the spray gun is preferably about 1.0 to 3.0 mm.
II 成形体の表面に酸溶液を接触させる。例えば、10〜
20％程度の弱塩酸水溶液等を塗布した後水洗する。II Contact the surface of the molded body with an acid solution. For example, 10 ~
After applying a 20% weak hydrochloric acid aqueous solution, etc., wash with water.
このような表面処理により、好ましくは0.5〜1mm程度の
厚さの成形体表面層のうち、主として骨材成分以外の部
分（ノロ成分）を除去して骨材成分を露出させることに
より、成形体表面に凹凸を付与する。この凹凸の程度
は、上記Ｉの場合には高圧水の水圧等を調整することに
より、また、上記IIの場合には酸溶液との接触時間を調
整することにより、適宜調節することができる。この表
面処理は凹凸を付与する面にのみ行なえば良い。By such a surface treatment, in the surface layer of the molded body having a thickness of preferably about 0.5 to 1 mm, mainly the portion other than the aggregate component (slag component) is removed to expose the aggregate component, Give unevenness to the surface. The degree of the unevenness can be appropriately adjusted by adjusting the water pressure or the like of the high-pressure water in the case of I, and by adjusting the contact time with the acid solution in the case of II. This surface treatment may be performed only on the surface to which the unevenness is applied.
なお、表面処理は型枠から脱型した直後に行なうことが
重要である。即ち、脱型後、ある程度の時間が経過する
と、成形体の硬化が進み、上記表面処理により凹凸を付
与することができなくなる。It is important to perform the surface treatment immediately after the mold is removed from the mold. That is, when a certain amount of time has passed after the mold is removed, the molded body is hardened, and it becomes impossible to provide the unevenness by the surface treatment.
表面処理後は10〜15日程度自然乾燥した後、40〜80℃で
１〜３日程度強制乾燥を行なう。なお、この乾燥処理時
間は製品の大きさによっても異なり、大型品であれば、
内部からの水分を十分に抜くために、比較的長い時間の
乾燥を要する。After the surface treatment, it is naturally dried for about 10 to 15 days, and then forcedly dried at 40 to 80 ° C for about 1 to 3 days. In addition, this drying processing time varies depending on the size of the product.
A relatively long period of drying is required to sufficiently drain the moisture from the inside.
上記乾燥処理後は1000〜1300℃で28〜36時間程度焼成を
行なう。After the above drying treatment, baking is performed at 1000 to 1300 ° C for 28 to 36 hours.
焼成後は必要に応じてコーティング処理を施して製品と
される。コーティング処理は、表面の汚れ防止のための
加工であり、通常の場合、表面にシリコン系特殊樹脂
（商品名「パーマシールド」等）を塗布して行なわれ
る。After firing, the product is subjected to coating treatment if necessary. The coating process is a process for preventing stains on the surface, and is usually performed by applying a silicon-based special resin (trade name “Perm Shield” or the like) to the surface.
［作用］ 本発明の人造石の製造方法においては、成形体の脱型直
後に高圧水を噴き付けるか、酸溶液を接触させることに
より表面層のうち主として骨材成分以外の部分を除去し
て表面に骨材成分を露出させるため、表面に該露出骨材
成分の凹凸のある天然石風人造石が得られる。この場
合、骨材の一部として、焼成によりガラス様の輝きを発
する珪石を用いていることから、表面に露出したガラス
様の粒子により、著しく優れた装飾性がかもし出され
る。[Operation] In the method for producing an artificial stone of the present invention, high-pressure water is sprayed immediately after demolding a molded body or an acid solution is brought into contact with the surface layer to remove mainly the components other than the aggregate component. Since the aggregate component is exposed on the surface, a natural stone-like artificial stone having irregularities of the exposed aggregate component on the surface can be obtained. In this case, since silica stone that emits a glass-like brilliance by firing is used as a part of the aggregate, the glass-like particles exposed on the surface give remarkably excellent decorativeness.
本発明においては、また、次のような作用効果も奏され
る。In the present invention, the following operational effects are also exhibited.
顔料を配合することにより自由に所望の色調に着色
することができる。By blending a pigment, it can be freely colored in a desired color tone.
型枠鋳込み成形であるため、大型形状品やコーナー
役物、複雑異形形状品、薄肉形状品等、様々な形状のも
のを製造することができる。Since the mold is cast, it is possible to manufacture various shapes such as large-sized products, corner products, complex irregular-shaped products, and thin-walled products.
1000〜1300℃の高温焼成により耐酸性に優れ、耐風
化性にも優れた製品を製造することができる。By baking at a temperature of 1000 to 1300 ℃, it is possible to manufacture products with excellent acid resistance and weather resistance.
高強度で大型化しても割れ難い。因みに、600mm×6
00mm×30mmの大型品まで製造可能である。High strength and hard to crack even when upsized. By the way, 600mm × 6
It is possible to manufacture large items up to 00 mm x 30 mm.
表面コーティング処理により汚れ、シミ等を付き難
くすることができる。The surface coating treatment makes it difficult for stains, stains, and the like to adhere.
アルミナセメントは耐火性に優れるため、得られる
製品も防火性、耐火性に優れる。Alumina cement has excellent fire resistance, so the resulting product also has excellent fire resistance and fire resistance.
得られる製品は湿式施工、乾式施工、プレキャスト
板等、あらゆる施工法に適用可能である。The obtained product can be applied to various construction methods such as wet construction, dry construction, precast board and the like.
［実施例］ 以下に実施例を挙げて本発明をより具体的に説明する。[Examples] Hereinafter, the present invention will be described more specifically with reference to Examples.
実施例１ 下記配合の原料23.25kgに水1.75kgを加えて十分に混合
し、これを離型剤を塗布した型枠（1350mm×270mm×40m
m）に鋳込み、30℃で24時間養生後脱型した。Example 1 1.25 kg of water was added to 23.25 kg of a raw material having the following composition and mixed thoroughly, and a mold (1350 mm x 270 mm x 40 m) coated with a release agent was added to this.
m) and then cured at 30 ° C for 24 hours and then demolded.
原料配合（重量部） アルミナセメント:12 骨材（川砂・平均粒径3mm）:25 珪石粗粒:20 珪石中粒:27 珪石細粒:16 顔料:1 脱型直後に開口径2.0mmのノズルのスプレーガンにて、
得られた成形体の表面に3.5kg/cm2の高圧水を噴き付
け、約１〜1.5mmの表面層のノロ成分を除去し、骨材成
分を露出させた。Raw material mix (parts by weight) Alumina cement: 12 Aggregate (river sand, average particle size 3 mm): 25 Silica coarse particles: 20 Silica medium particles: 27 Silica fine particles: 16 Pigment: 1 Nozzle with an opening diameter of 2.0 mm immediately after demolding With the spray gun of
High-pressure water of 3.5 kg / cm 2 was sprayed onto the surface of the obtained molded body to remove the Noro component in the surface layer of about 1 to 1.5 mm to expose the aggregate component.
その後、10日自然乾燥し、更に40〜80℃で３日強制乾燥
した後、1230℃で36時間焼成した。Then, it was naturally dried for 10 days, further forcibly dried at 40 to 80 ° C. for 3 days, and then baked at 1230 ° C. for 36 hours.
得られた焼成品は表面に天然石調の凹凸を有する、極め
て趣の深いものであった。The obtained fired product had a natural stone-like unevenness on the surface and was extremely attractive.
実施例２ 脱型後、成形体の表面に20％塩酸水溶液を塗布し、次い
で水洗することにより、約0.5〜1.5mmの表面層のノロ成
分を除去したこと以外は実施例１と同様にして焼成品を
得た。Example 2 After demolding, the same procedure as in Example 1 was carried out except that the surface of the molded body was coated with a 20% aqueous hydrochloric acid solution and then washed with water to remove the noro component in the surface layer of about 0.5 to 1.5 mm. A baked product was obtained.
得られた焼成品は表面に天然石調の凹凸を有する、極め
て趣の深いものであった。The obtained fired product had a natural stone-like unevenness on the surface and was extremely attractive.
［発明の効果］ 以上詳述した通り、本発明の人造石の製造方法によれ
ば、表面に天然石調の凹凸を有する、風合いに優れ、趣
の深い、装飾性が豊かで高級感に富む人造石を容易かつ
効率的に製造することができる。[Effects of the Invention] As described in detail above, according to the method for producing an artificial stone of the present invention, an artificial stone having natural stone-like irregularities on the surface, excellent texture, rich taste, rich decorativeness, and high class Stones can be manufactured easily and efficiently.
Claims (2)
いて人造石を製造するに際し、骨材成分として珪石及び
珪石以外の骨材を用いる製造方法であって、 前記原料を水と共に混練し、型枠を用いて成形し、次い
で脱型した直後に高圧水を噴き付けるか、又は酸溶液を
接触させることにより、表面層のうち主として骨材成分
以外の部分を除去して表面に骨材成分を露出させ、その
後乾燥し焼成することを特徴とする人造石の製造方法。1. A method of manufacturing an artificial stone using a raw material containing alumina cement and an aggregate, which comprises using silica stone and an aggregate other than silica stone as an aggregate component, wherein the raw material is kneaded with water, By molding using a mold and then spraying high-pressure water immediately after demolding, or by contacting with an acid solution, the surface layer is mainly removed except for the aggregate component, and the aggregate component on the surface is removed. A method for producing an artificial stone, which comprises exposing the material, and then drying and firing.
て、前記原料はさらに顔料を含むことを特徴とする方
法。2. The method for producing an artificial stone according to claim 1, wherein the raw material further contains a pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11461490A JPH0717465B2 (en) | 1990-04-27 | 1990-04-27 | Manufacturing method of artificial stone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11461490A JPH0717465B2 (en) | 1990-04-27 | 1990-04-27 | Manufacturing method of artificial stone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0412076A JPH0412076A (en) | 1992-01-16 |
| JPH0717465B2 true JPH0717465B2 (en) | 1995-03-01 |
Family
ID=14642266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11461490A Expired - Lifetime JPH0717465B2 (en) | 1990-04-27 | 1990-04-27 | Manufacturing method of artificial stone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0717465B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200311729Y1 (en) * | 2002-08-07 | 2003-05-09 | 허봉식 | Tile and Formation stone taking the basalt aggregate |
-
1990
- 1990-04-27 JP JP11461490A patent/JPH0717465B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0412076A (en) | 1992-01-16 |
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