KR20090066570A - Artificial marble using water-soluble electrolyte and process for preparing the same - Google Patents

Artificial marble using water-soluble electrolyte and process for preparing the same Download PDF

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KR20090066570A
KR20090066570A KR1020070134171A KR20070134171A KR20090066570A KR 20090066570 A KR20090066570 A KR 20090066570A KR 1020070134171 A KR1020070134171 A KR 1020070134171A KR 20070134171 A KR20070134171 A KR 20070134171A KR 20090066570 A KR20090066570 A KR 20090066570A
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South Korea
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artificial marble
water
soluble electrolyte
mold
electrolyte
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KR1020070134171A
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Korean (ko)
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KR101064388B1 (en
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김문규
조양환
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주식회사 엘지화학
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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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/04—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by dissolving-out added substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0064—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/54—Substitutes for natural stone, artistic materials or the like
    • C04B2111/542—Artificial natural stone
    • C04B2111/545—Artificial marble

Abstract

An artificial marble using a water-soluble electrolyte and a manufacture method thereof are provided to replace natural basalt, which results from three-dimensional surface effects of the artificial marble. An artificial marble has three-dimensional surface effects owing to an irregular concave-convex structure. A method for manufacturing the artificial marble(40) comprises the following steps of: mixing raw materials(10) for artificial marble and a water-soluble electrolyte(20); putting the raw materials with the water-soluble electrolyte into a mold(30) having an irregular concave-convex structure and hardening the material; and dipping the hardened material into a solvent in order to obtain air-gap structured artificial marble by dissolving the water-soluble electrolyte.

Description

수용성 전해질을 이용한 인조대리석 및 이의 제조방법{Artificial marble using water-soluble electrolyte and process for preparing the same}Artificial marble using water-soluble electrolyte and process for preparing the same

본 발명은 인조대리석에 관한 것으로, 특히 수용성 전해질을 이용하여 3D 입체 표면효과를 연출한 인조대리석 및 이의 제조방법에 관한 것이다.The present invention relates to artificial marble, and more particularly to artificial marble having a 3D three-dimensional surface effect using a water-soluble electrolyte, and a method for producing the same.

기존 인조대리석들은 셀 캐스팅(Cell Casting), 연속 캐스팅 또는 몰드를 이용한 프레싱(Pressing)으로 그 표면이 평면인 2D 외관으로만 구현 가능하였다. 또는 일정한 형상을 가진 몰드를 이용한 프레싱으로 입체적인 외관 형상을 구현하여도 표면의 광택을 표현하기 위한 샌딩 공정이 불가능하기 때문에 제품으로써의 가치가 떨어진다.Existing artificial marbles can be realized only by 2D appearance whose surface is flat by cell casting, continuous casting or pressing using a mold. In addition, even if a three-dimensional appearance is realized by pressing using a mold having a certain shape, the sanding process for expressing the gloss of the surface is impossible, so the value of the product is low.

일본 특허공개 제2002-227392호에는 천연석, 인공석, 콘크리트 등 탄산염 광물이나 칼슘 조성물을 함유한 바닥면의 미끄럼 방지 시공방법으로, 바닥면을 소정 시간 산성용액과 접촉시키는 것에 의하여 탄산염 광물이나 칼슘 조성물과 산성 용액과의 반응 생성물을 얻은 후에, 반응 생성물을 세척액으로 제거하는 것에 의하여 바닥면을 다공질화시키고, 그 결과 바닥면이 미끄러지기 어려워지는 것을 특징으로 하는 바닥면의 미끄럼방지 시공방법이 개시되어 있다.Japanese Patent Application Laid-Open No. 2002-227392 is a non-slip construction method of a bottom surface containing a carbonate mineral or calcium composition such as natural stone, artificial stone or concrete, and the carbonate mineral or calcium composition is formed by contacting the bottom surface with an acidic solution for a predetermined time. After obtaining a reaction product with an acidic solution, there is disclosed a method of non-slip construction of a bottom surface, characterized in that the bottom surface is made porous by removing the reaction product with a washing liquid, and as a result, the bottom surface becomes difficult to slip. have.

대한민국 특허등록 제532164호에는 인조대리석의 베이스를 형성하는 슬러리를 제조하고, 슬러리를 공기 주입구와 공기 혼합기가 장착된 이송관에 투입하고, 슬러리에 공기를 주입한 후 일정한 크기의 기포가 형성하도록 혼합하고, 기포가 형성된 슬러리를 성형 셀에 뿌려 경화시키는 단계로 이루어지는 3차원 기포패턴을 갖는 인조대리석의 제조방법이 개시되어 있다.Republic of Korea Patent No. 532164 is to prepare a slurry to form a base of artificial marble, the slurry is injected into a transport tube equipped with an air inlet and an air mixer, and the air is injected into the slurry and mixed to form a bubble of a constant size In addition, a method of manufacturing artificial marble having a three-dimensional bubble pattern consisting of the step of spraying the slurry in which the bubble is formed in a molding cell to cure.

일본 특허공개 제2002-255672호에는 열경화성 수지에 충전제와 내부 이형제, 경화제 등의 첨가물을 배합한 수지 조성물을 얻고, 이 수지 조성물을 성형 경화시키고 얻어지는 인조 대리석의 표면에 미세한 홈부 바닥을 형성하고, 그 홈부 바닥에 발수제 또는 발수 발유제 등의 방오제를 문질러 바른 것을 특징으로 하는 인조대리석이 개시되어 있다.Japanese Patent Application Laid-Open No. 2002-255672 discloses a resin composition obtained by mixing a thermosetting resin with an additive such as a filler, an internal mold release agent and a curing agent, and forming a fine groove bottom on the surface of the artificial marble obtained by molding and curing the resin composition. An artificial marble is disclosed which is rubbed with an antifouling agent such as a water repellent agent or a water repellent oil repellent agent on the bottom of a groove part.

대한민국 특허등록 제266415호에는 인조석재를 제조하는 통상의 방법에 있어서, 몰드의 표면층에 점성을 갖고 임의의 모양과 크기를 갖는 물방울이 맺히도록 투명수지를 도포 경화시키고, 투명수지의 표면층에 일정한 두께를 갖는 도료층을 도포하며, 도료층의 표면에 저면층이 갖추어지도록 한 것을 특징으로 하는 표층에 입체감을 주는 인조석재의 제조방법이 개시되어 있다.In Korean Patent No. 266415, in a conventional method for manufacturing artificial stone, the transparent resin is applied and cured so that water droplets having an arbitrary shape and size are viscous on the surface layer of the mold, and a fixed thickness is applied to the surface layer of the transparent resin. A method of producing an artificial stone having a three-dimensional effect on a surface layer is disclosed, wherein the coating layer having a coating layer is coated and a bottom layer is provided on the surface of the coating layer.

그러나, 상기 종래기술들에는 수용성 전해질을 이용한 인조대리석의 제조에 대해서는 개시된 바 없다.However, the prior art does not disclose the preparation of artificial marble using a water-soluble electrolyte.

본 발명의 목적은 천연 수용성 전해질을 이용하여 3D 입체 표면효과를 연출함으로써 천연 현무암의 외관 효과 구현으로 천연 현무암을 대체하고, 평면적인 실내 인테리어 자재에서 변화된 3D 입체 인테리어 자재로 활용할 수 있는 인조대리석을 제공하는 것이다.An object of the present invention is to create a 3D three-dimensional surface effect by using a natural water-soluble electrolyte to replace the natural basalt by implementing the appearance effect of natural basalt, and to provide a artificial marble that can be used as a 3D three-dimensional interior material changed from a flat interior interior material It is.

본 발명은 상기 목적을 달성하기 위하여, 표면에 불규칙한 요철구조 및 공극구조에 의해 3차원적인 입체 표면효과를 갖는 인조대리석을 제공한다.In order to achieve the above object, the present invention provides an artificial marble having a three-dimensional surface effect by the irregular concave-convex structure and the pore structure on the surface.

본 발명에서 공극구조는 경화 후 수용성 전해질의 용해에 의해 형성되는 것을 특징으로 한다.In the present invention, the pore structure is formed by dissolution of a water-soluble electrolyte after curing.

본 발명에서 수용성 전해질은 물 또는 사용 가능한 용매에 용해 가능한 물질을 포함하며, 특히 소금이 바람직하다. 소금은 물에 잘 녹고 내열성이 우수한 재료로서, 인조대리석의 제조시 고온의 열 경화에 적합하다.In the present invention, the water-soluble electrolyte includes a substance soluble in water or a solvent which can be used, and salt is particularly preferable. Salt is a material that is well soluble in water and excellent in heat resistance, and is suitable for high temperature heat curing in the production of artificial marble.

본 발명에서 수용성 전해질의 사용량은 인조대리석 원료 100 중량부에 대하여 30 내지 300 중량부인 것이 바람직하다.The amount of the water-soluble electrolyte used in the present invention is preferably 30 to 300 parts by weight based on 100 parts by weight of artificial marble raw material.

본 발명에서 공극구조는 표면 뿐만 아니라 인조대리석의 내부에도 형성될 수 있다.In the present invention, the pore structure may be formed not only on the surface but also on the inside of artificial marble.

본 발명에서 요철구조는 불규칙한 몰드 형상에 따라 형성되는 것을 특징으로 한다.In the present invention, the uneven structure is characterized in that it is formed according to the irregular mold shape.

또한, 본 발명은 인조대리석 원료에 수용성 전해질을 혼합하는 단계; 수용성 전해질을 포함하는 인조대리석 원료를 불규칙한 요철구조를 갖는 몰드에 투입하고 경화시키는 단계; 및 경화물을 용매에 침전시켜 수용성 전해질을 용해시킴으로써 공극구조를 형성시키는 단계를 포함하는 인조대리석의 제조방법을 제공한다. 이 방법에 따라 공극구조가 표면 및/또는 내부에 형성된 인조대리석을 얻을 수 있다.In addition, the present invention comprises the steps of mixing the aqueous electrolyte to the artificial marble raw material; Putting artificial marble containing a water-soluble electrolyte into a mold having an irregular concave-convex structure and curing the raw marble; And precipitating the cured product in a solvent to form a pore structure by dissolving a water-soluble electrolyte. According to this method, an artificial marble having a void structure formed on the surface and / or inside thereof can be obtained.

또한, 본 발명은 수용성 전해질을 불규칙한 요철구조를 갖는 몰드에 도포하는 단계; 수용성 전해질이 도포된 몰드에 인조대리석 원료를 투입하고 경화시키는 단계; 및 경화물을 용매에 침전시켜 수용성 전해질을 용해시킴으로써 공극구조를 형성시키는 단계를 포함하는 인조대리석의 제조방법을 제공한다. 이 방법에 따라 공극구조가 주로 표면에만 형성된 인조대리석을 얻을 수 있다.In addition, the present invention comprises the steps of applying a water-soluble electrolyte to a mold having an irregular concave-convex structure; Adding a raw marble material to a mold to which a water-soluble electrolyte is applied and curing the raw material; And precipitating the cured product in a solvent to form a pore structure by dissolving a water-soluble electrolyte. According to this method, it is possible to obtain artificial marble whose pore structure is mainly formed only on the surface.

본 발명에 따라 3D 입체 형상 표면을 갖는 인조대리석 외관을 구현할 수 있고, 경화물을 물에 용해시키는 신공정을 적용하면서 기존 인조대리석의 제조 처방이 사용 가능하며, 천연 물질을 사용하여 천연 현무암의 외관 구현 가능하므로 친환경적이다.According to the present invention, it is possible to realize the appearance of artificial marble having a 3D three-dimensional surface, while applying a new process of dissolving a cured product in water, a manufacturing prescription of existing artificial marble can be used, and the appearance of natural basalt using natural materials. It is environmentally friendly as possible.

이하, 첨부도면을 참조하여 본 발명을 상세하게 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 일 실시예에 따른 인조대리석의 제조공정도로서, 이 제조공정은 크게 원료투입공정, 경화공정 및 용해공정으로 구성되며, 구체적으로 기존 인조대리석의 제조방법을 사용하되 초기 원료(compound)에 천연 전해질 물질(소금 등)을 포함시켜 일정한 형상의 몰드에서 경화시켜 3D 입체 효과를 구현하고, 이를 물에 침전시켜 전해질을 용해시키면 표면 형상을 천연 현무암과 유사하게 표현할 수 있다.1 is a manufacturing process diagram of artificial marble according to an embodiment of the present invention, this manufacturing process is composed of a raw material input process, a hardening process and a dissolution process, specifically using the existing artificial marble manufacturing method, but the initial raw material (compound ) By incorporating a natural electrolyte material (salt, etc.) to harden in a mold of a certain shape to implement a 3D stereoscopic effect, and precipitated in water to dissolve the electrolyte can express the surface shape similar to natural basalt.

먼저, 인조대리석 원료(10)를 준비한다.First, the artificial marble raw material 10 is prepared.

인조대리석 원료(10)로는 시멘트계 인조대리석 원료 또는 아크릴수지, 불포화폴리에스터수지, 에폭시수지 등의 수지계 인조대리석 원료를 사용할 수 있다.As the artificial marble raw material 10, a cement-based artificial marble raw material or a resin artificial marble raw material such as an acrylic resin, an unsaturated polyester resin, or an epoxy resin can be used.

시멘트계 인조대리석 원료의 조성을 예를 들면, 시멘트 100 중량부에 3 내지 9 ㎜ 정도의 천연석 칩(큰 칩) 150 내지 250 중량부, 1 내지 3 ㎜ 정도의 천연석 칩(작은 칩) 50 내지 100 중량부, 천연석분(#100 내지 350) 30 내지 100 중량부, 물 20 내지 40 중량부, 감수제 1 내지 5 중량부 등으로 조성할 수 있다.For example, the composition of the cement-based artificial marble raw material is 150 to 250 parts by weight of natural stone chips (large chips) of 3 to 9 mm to 100 parts by weight of cement, and 50 to 100 parts by weight of natural stone chips (small chips) of 1 to 3 mm. , 30 to 100 parts by weight of natural stone powder (# 100 to 350), 20 to 40 parts by weight of water, and 1 to 5 parts by weight of a water reducing agent.

수지계 인조대리석 원료의 조성을 예를 들면, 아크릴계, 불포화 폴리에스테르계 또는 에폭시계 수지 시럽 100 중량부, 무기충진물 100 내지 200 중량부, 가교제 0.1 내지 10 중량부, 중합개시제 0.1 내지 10 중량부 및 각종 칩 등으로 조성할 수 있다.For example, the composition of the resin-based artificial marble raw material is 100 parts by weight of acrylic, unsaturated polyester or epoxy resin syrup, 100 to 200 parts by weight of inorganic filler, 0.1 to 10 parts by weight of crosslinking agent, 0.1 to 10 parts by weight of polymerization initiator and various chips. And the like.

다음, 인조대리석 원료(10)에 수용성 전해질(20)을 혼합한다. 수용성 전해질(20)은 인조대리석 원료(10)를 제조할 때 같이 혼합할 수 있고 또한 이후 별도로 혼합할 수도 있다.Next, the water-soluble electrolyte 20 is mixed with the artificial marble raw material 10. The aqueous electrolyte 20 may be mixed together when the artificial marble raw material 10 is prepared, or may be mixed separately thereafter.

수용성 전해질(20)로는 소금 등을 사용할 수 있으며, 그 사용량은 인조대리석 원료 100 중량부에 대하여 30 내지 300 중량부인 것이 바람직하며, 더욱 바람직하게는 100 내지 200 중량부이다. 소금의 양이 인조대리석 원료 100 중량부 대비 30 중량부 미만일 경우 그 첨가량이 너무 미비하여 충분한 외관 효과를 연출할 수 없고, 인조대리석 원료 100 중량부 대비 소금의 양이 300 중량부를 초과할 경우 그 첨가량이 너무 과다하여 작업이 불가능할 뿐만 아니라, 화학적, 물리적으로 인조대리석 원료가 소금을 포함할 수 없기 때문에 물성이 저하된다.Salt or the like may be used as the water-soluble electrolyte 20, and the amount thereof is preferably 30 to 300 parts by weight, more preferably 100 to 200 parts by weight based on 100 parts by weight of the artificial marble raw material. If the amount of salt is less than 30 parts by weight relative to 100 parts by weight of artificial marble, the amount is too small to produce a sufficient appearance effect, and if the amount of salt is greater than 300 parts by weight relative to 100 parts by weight of artificial marble, the amount is added. Not only is it too much to work, but chemically and physically, the artificial marble raw material cannot contain salt, thereby deteriorating physical properties.

다음, 수용성 전해질(20)을 포함하는 인조대리석 원료(10)를 몰드(30)에 투입한 후 가압(pressing)하고 50 내지 100℃에서 가열(heating)하여 경화시킨다.Next, the artificial marble raw material 10 including the water-soluble electrolyte 20 is added to the mold 30 and then pressed and cured by heating at 50 to 100 ° C.

몰드(30)는 인조대리석에 표면효과를 주기 위해 불규칙적인 요철구조를 갖는 것을 사용한다.The mold 30 uses an irregular concave-convex structure to give a surface effect to the artificial marble.

다음, 경화 후 몰드(30)를 제거하면 그 몰드(30)에 해당하는 표면 형상이 나타나므로 3D 입체 형상을 갖는 인조대리석 경화물을 얻을 수 있다.Next, when the mold 30 is removed after curing, the surface shape corresponding to the mold 30 appears, thereby obtaining a cured artificial marble having a 3D shape.

다음, 경화물을 물 등의 용매에 넣어 용해시키면 그 표면 및/또는 내부에 있던 수용성 전해질이 용해되어 공극(50)이 형성된 인조대리석(40)을 얻을 수 있다. 이 공극(50)구조에 의해 천연 현무암과 같은 표면이 불규칙하게 들어간 형상을 구현할 수 있다.Next, when the cured product is dissolved in a solvent such as water, the water-soluble electrolyte on the surface and / or inside thereof is dissolved to obtain the artificial marble 40 having the voids 50 formed therein. This void 50 structure can realize a shape in which a surface such as natural basalt is irregularly entered.

따라서, 최종 경화물은 몰드(30)에 따른 형상과 현무암과 같은 외관 효과로 인해 3D 입체 형상을 나타낼 수 있다.Thus, the final cured product may exhibit a 3D solid shape due to the shape according to the mold 30 and the appearance effects such as basalt.

이후, 선택적으로 샌딩 공정을 실시하여 표면을 연마할 수 있다.Thereafter, a sanding process may optionally be performed to polish the surface.

이상의 방법에 따라 공극구조가 표면 및/또는 내부에 형성된 인조대리석을 얻을 수 있다.According to the above method, an artificial marble in which a pore structure is formed on the surface and / or inside can be obtained.

또한, 본 발명의 다른 실시예에 따르면, 수용성 전해질을 인조대리석 원료에 혼합하지 않고, 수용성 전해질을 불규칙한 요철구조를 갖는 몰드에 미리 도포한 후, 수용성 전해질이 도포된 몰드에 인조대리석 원료를 투입하고 경화시킨 다음, 경화물을 용매에 침전시켜 수용성 전해질을 용해시킴으로써, 공극구조가 주로 표면에만 형성된 인조대리석을 얻을 수 있다.In addition, according to another embodiment of the present invention, without mixing the water-soluble electrolyte to the artificial marble raw material, after applying the water-soluble electrolyte to the mold having an irregular concave-convex structure in advance, the artificial marble raw material is added to the mold to which the water-soluble electrolyte is applied After curing, the cured product is precipitated in a solvent to dissolve the water-soluble electrolyte, whereby artificial marble having a pore structure mainly formed on the surface thereof can be obtained.

도 1은 본 발명의 일 실시예에 따른 인조대리석의 제조공정도이다.1 is a manufacturing process of the artificial marble according to an embodiment of the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10: 인조대리석 원료10: artificial marble raw material

20: 수용성 전해질20: water soluble electrolyte

30: 몰드30: Mold

40: 인조대리석40: artificial marble

50: 공극50: void

Claims (8)

표면에 불규칙한 요철구조 및 공극구조에 의해 3차원적인 입체 표면효과를 갖는 인조대리석.Artificial marble with three-dimensional surface effect due to irregular irregularities and voids on the surface. 제1항에 있어서, 공극구조가 경화 후 수용성 전해질의 용해에 의해 형성되는 것을 특징으로 하는 인조대리석.The artificial marble according to claim 1, wherein the pore structure is formed by dissolution of a water-soluble electrolyte after curing. 제2항에 있어서, 수용성 전해질이 소금인 것을 특징으로 하는 인조대리석.The artificial marble according to claim 2, wherein the aqueous electrolyte is salt. 제2항에 있어서, 수용성 전해질의 사용량이 인조대리석 원료 100 중량부에 대하여 30 내지 300 중량부인 것을 특징으로 하는 인조대리석.The artificial marble according to claim 2, wherein the amount of the water-soluble electrolyte is 30 to 300 parts by weight based on 100 parts by weight of the artificial marble raw material. 제1항에 있어서, 공극구조가 인조대리석의 내부에도 형성되어 있는 것을 특징으로 하는 인조대리석.The artificial marble according to claim 1, wherein the void structure is also formed inside the artificial marble. 제1항에 있어서, 요철구조가 불규칙한 몰드 형상에 따라 형성되는 것을 특징으로 하는 인조대리석.The artificial marble according to claim 1, wherein the uneven structure is formed according to an irregular mold shape. 인조대리석 원료에 수용성 전해질을 혼합하는 단계;Mixing a water-soluble electrolyte with an artificial marble raw material; 수용성 전해질을 포함하는 인조대리석 원료를 불규칙한 요철구조를 갖는 몰드에 투입하고 경화시키는 단계; 및Putting artificial marble containing a water-soluble electrolyte into a mold having an irregular concave-convex structure and curing the raw marble; And 경화물을 용매에 침전시켜 수용성 전해질을 용해시킴으로써 공극구조를 형성시키는 단계를 포함하는 인조대리석의 제조방법.A method of producing artificial marble comprising the step of forming a pore structure by dissolving the cured product in a solvent to dissolve a water-soluble electrolyte. 수용성 전해질을 불규칙한 요철구조를 갖는 몰드에 도포하는 단계;Applying a water-soluble electrolyte to a mold having an irregular concave-convex structure; 수용성 전해질이 도포된 몰드에 인조대리석 원료를 투입하고 경화시키는 단계; 및Adding a raw marble material to a mold to which a water-soluble electrolyte is applied and curing the raw material; And 경화물을 용매에 침전시켜 수용성 전해질을 용해시킴으로써 공극구조를 형성시키는 단계를 포함하는 인조대리석의 제조방법.A method of producing artificial marble comprising the step of forming a pore structure by dissolving the cured product in a solvent to dissolve a water-soluble electrolyte.
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KR101778689B1 (en) * 2017-02-21 2017-09-14 윤영식 Manufacturing method of artificial marble stone having porous surface
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