KR100473783B1 - Production method of artificial marble - Google Patents

Production method of artificial marble Download PDF

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Publication number
KR100473783B1
KR100473783B1 KR10-2002-0063871A KR20020063871A KR100473783B1 KR 100473783 B1 KR100473783 B1 KR 100473783B1 KR 20020063871 A KR20020063871 A KR 20020063871A KR 100473783 B1 KR100473783 B1 KR 100473783B1
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mold
raw material
main raw
treatment agent
surface treatment
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KR10-2002-0063871A
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Korean (ko)
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KR20040035130A (en
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배정권
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(주)삼승화학
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/30Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/04Producing shaped prefabricated articles from the material by tamping or ramming
    • B28B1/045Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B28B11/245Curing concrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/02Conditioning the material prior to shaping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0064Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
    • B28B7/007Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces with moulding surfaces simulating natural effets, e.g. wood or stone
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Finishing Walls (AREA)

Abstract

본 발명은 건축물의 내/외장 패널용으로 사용되는 인조대리석의 외관 색상과 외측을 향하는 면을 자연석과 근접한 형태의 요철부를 형성시킴으로서 자연 친화적이고 견고한 인조대리석을 제조하는 방법을 제공함에 그 목적이 있는 것으로서, The present invention is to provide a method for producing a natural friendly and solid artificial marble by forming an uneven portion of the shape of the exterior marble and the surface facing outward to the natural stone used for the interior / exterior panels of the building to form a natural stone. As,

이는 소정의 깊이와 너비를 갖으며 내면에 자연석 형태의 요철이 형성시킨 몰드를 마련하는 단계; 425㎛m 체에 95%이상 걸리는 크기의 규사 25∼55wt%, 화산석, 펄라이트, 파쇄ALC 중 어느 하나 또는 2가지 이상이 혼합된 경량골재 5∼25wt%, 시멘트 35∼45wt%, 나머지는 안료, 혼화제 및 감수제를 혼합하여 된 혼합물 80∼90 : 물 10 ∼20의 비율로 혼합하여 몰드에 충입할 주원료를 만드는 단계; 안료 5∼25wt%, 시멘트 25∼35wt%, 물 50∼60wt%를 혼합하여 상기 몰드의 내부면을 도포 할 표면처리제를 만드는 단계; 상기 원하는 형상의 요철이 형성된 몰드 내면을 건조시키고 그 건조된 몰드 내면에 상기 표면처리제를 도포하는 단계; 상기 도포된 표면처리제를 건조시키고 이에 상기 주원료를 충입한 다음 그 주원료가 충입된 몰드를 진동시켜 성형하는 단계; 상기 주원료가 성형 완료된 몰드를 양생실에 투입하여 50∼70℃에서 10∼14시간동안 건조 경화시키는 단계; 상기 건조 경화된 주원료를 몰드로부터 분리시켜 그를 최종 건조시키는 단계로 이루어진다. It is provided with a mold having a predetermined depth and width and formed on the inner surface of the irregular stone in the form of natural stone; 25 to 55 wt% of silica sand with a size of 95% or more in a 425 μm sieve, 5 to 25 wt% of light aggregate in which any one or two or more of volcanic stone, pearlite and crushed ALC are mixed, and 35 to 45 wt% of cement, the rest being pigments, Mixing a blending agent and a water reducing agent in a ratio of 80 to 90: water 10 to 20 to prepare a main raw material to be charged into the mold; Mixing a pigment 5-25 wt%, cement 25-35 wt%, and water 50-60 wt% to form a surface treatment agent for applying the inner surface of the mold; Drying the mold inner surface on which the irregularities of the desired shape are formed and applying the surface treatment agent to the dried mold inner surface; Drying the coated surface treatment agent and filling the main raw material, and then vibrating and molding a mold filled with the main raw material; Injecting the mold, the main raw material is molded into a curing room for dry curing at 50 ~ 70 ℃ for 10 to 14 hours; The dry cured main raw material is separated from the mold and finally dried.

Description

인조대리석 제조방법{Production method of artificial marble}Production method of artificial marble

본 발명은 각종 건축물의 내/외장 패널용으로 사용되는 인조대리석의 제조방법에 관한 것으로서, 더욱 상세하게는 인조대리석의 외관 색상과 외측을 향하는 면을 자연석과 근접한 형태의 요철부를 형성시킴으로서 자연 친화적인 인조대리석을 제공하고자 하는 것이다.The present invention relates to a method of manufacturing artificial marble used for interior / exterior panels of various buildings, and more particularly, by forming an uneven portion of the artificial marble in the form of an exterior color and a surface facing outwards in a form close to natural stone. To provide artificial marble.

종래의 인조대리석 제조방법은 시멘트, 모래, 화산석을 물과 혼합하여 반죽하는 재료반죽공정과, 자연석의 표면과 같이 형성된 몰드에 상기 공정에서 반죽된 재료를 투입하여 성형하는 성형공정과, 상기 공정에서 반죽된 재료가 충진된 몰드를 고온에서 일정시간 가열하여 경화시키는 소성공정을 순차적으로 실행하는 것이다.The conventional artificial marble manufacturing method is a material kneading process of mixing cement, sand, volcanic stone with water, and a molding process of molding the dough kneaded in the process into a mold formed like a surface of natural stone, and in the process It is to sequentially perform the firing process of curing the mold filled with the kneaded material at a high temperature for a certain time.

그러나 상기한 종래의 방법으로 제조된 인조대리석은 섬세함과 자연감이 떨어지는 문제점이 있음은 물론, 소성공정에서 가열 경화시킬 때에 인조대리석에 크랙이 발생하는 등의 문제점이 발생하였고, 또, 자연화강암과 같은 운모와 검은 반점을 표현할 수 없음에 따라 만족할만한 자연미가 표출되는 인조대리석을 제조할 수 없는 문제점이 있다.However, the artificial marble prepared by the above-described conventional method has a problem in that the fineness and the natural feeling fall, as well as problems such as cracking in the artificial marble during heat-hardening in the firing process. As the same mica and black spots cannot be expressed, there is a problem in that it is impossible to manufacture artificial marble in which satisfactory natural beauty is expressed.

따라서 근래에는 상기의 문제점인 운모와 검은 반점을 표출시킬 수 있는 인조대리석을 제조하는 기술인 특허출원 제1999-52846호가 제안된 바 있다.Therefore, recently, Patent Application No. 1999-52846, which is a technique for manufacturing artificial marble capable of expressing the above-mentioned mica and black spots, has been proposed.

이는 시멘트, 황사, 화산석등을 물과 혼합하여 반죽하는 재료혼합공정과, 자연석형태로 된 몰드에 상기 재료혼합공정에서 반죽된 재료를 충진하고 가압하는 성형공정과, 상기 성형공정에서 성형된 재료를 고열에서 가열하여 경화시키는 소정공정을 순차적으로 실행하는 공지의 제조방법에 있어서, 수용성 접착액과 물을 중량비로 1:8∼15 정도로 혼합하여서된 접착수용액을 상기 몰드에 반죽재료를 충진하기에 앞서, 성형면에 도포하고 운모조각 및 흑색안료가 도포된 접착수용액 표면에 뿌려 부착하며, 중량비로서 안료20%와 시멘트10%와 물70%를 혼합하여서된 표면처리 액을 상기 운모조각이 뿌려진 접착수용액에 적층 도포하여 된 것이다.It is a material mixing step of kneading cement, yellow sand, volcanic stone and the like by mixing with water, a molding step of filling and pressing the dough kneaded in the material mixing step into a mold in the form of natural stone, and the material formed in the molding step In a known production method that sequentially performs a predetermined step of heating and curing at a high temperature, prior to filling the mold material with the adhesive aqueous solution obtained by mixing a water-soluble adhesive liquid and water in a weight ratio of about 1: 8 to 15. The surface treatment solution, which is applied to the surface of the mold and sprinkled on the surface of the adhesive solution coated with mica flakes and black pigment, and mixed with the pigment 20%, 10% cement and 70% water as a weight ratio. It was laminated and coated on.

상기와 같은 방법으로 제조된 인조대리석 역시 소성공정에서 고열에서 가열하여 경화시킴으로 그에 따른 인조대리석의 크랙이 발생하는 문제점이 발생함은 물론, 중량이 많이 나가기 때문에 운반 및 시공에따 따른 핸드링이 용이치 못하고 내구성도 좋지 못한 문제점이 있었다.Artificial marble manufactured by the above method also hardens by heating at high temperature in the firing process, so that the problem of cracking of artificial marble occurs, as well as a lot of weight, easy handling by carrying and construction There was a problem with poor durability.

또한, 이러한 문제점외에도 제조공정이 복잡하고 어려워 제조비용이 많이 소요될 뿐만 아니라 불량률도 많이 발생되는 등의 문제점이 있었다.In addition, in addition to these problems, the manufacturing process is complicated and difficult, not only takes a lot of manufacturing costs but also generates a lot of defects.

본 발명은 상기와 같은 문제점을 감안하여 이를 해소하고자 발명한 것으로서, 그 목적은 건축물의 내/외장 패널용으로 사용되는 인조대리석의 외관 색상과 외측을 향하는 면을 자연석과 근접한 형태의 요철부를 형성시킴으로서 자연 친화적이고 견고한 인조대리석을 제조토록 하는 인조석 제조방법을 제공함에 있다. The present invention has been invented to solve this problem in view of the above problems, the object of the present invention is to form the uneven part of the exterior color of the artificial marble used for the interior / exterior panels of the building and the surface facing toward the outside in the form of irregularities close to the natural stone The present invention provides an artificial stone manufacturing method for producing a natural and solid artificial marble.

본 발명의 다른 목적은 인조석의 제조를 손쉽게 하도록 함과 동시에 공정수를 줄여 제조비용을 대폭 절감토록 하는 인조석 제조방법을 제공함에 있다. It is another object of the present invention to provide an artificial stone manufacturing method for making the artificial stone easier and at the same time reducing the number of processes to significantly reduce the manufacturing cost.

상기 목적을 달성하기 위한 본 발명의 특징적인 기술적 구성은, 소정의 깊이와 너비를 갖으며 내면에 자연석 형태의 요철이 형성시킨 몰드를 마련하는 단계; 425㎛m 체에 95%이상 걸리는 크기의 규사 25∼55wt%, 화산석, 펄라이트, 파쇄ALC 중 어느 하나 또는 2가지 이상이 혼합된 경량골재 5∼25wt%, 시멘트 35∼45wt%, 나머지는 안료, 혼화제 및 감수제를 혼합하여 된 혼합물 80∼90 : 물 10 ∼20의 비율로 혼합하여 몰드에 충입할 주원료를 만드는 단계; 안료 5∼25wt%, 시멘트 25∼35wt%, 물 50∼60wt%를 혼합하여 상기 몰드의 내부면을 도포 할 표면처리제를 만드는 단계; 상기 원하는 형상의 요철이 형성된 몰드 내면을 건조시키고 그 건조된 몰드 내면에 상기 표면처리제를 도포하는 단계; 상기 도포된 표면처리제를 건조시키고 이에 상기 주원료를 충입한 다음 그 주원료가 충입된 몰드를 진동시켜 성형하는 단계; 상기 주원료가 성형 완료된 몰드를 양생실에 투입하여 50∼70℃에서 10∼14시간동안 건조 경화시키는 단계; 상기 건조 경화된 주원료를 몰드로 부터 분리시켜 그를 최종 건조시키는 단계로 이루어진다.Characteristic technical features of the present invention for achieving the above object, comprising the steps of providing a mold having a predetermined depth and width and formed by natural stone-like irregularities on the inner surface; 25 to 55 wt% of silica sand with a size of 95% or more in a 425 μm sieve, 5 to 25 wt% of light aggregate in which any one or two or more of volcanic stone, pearlite and crushed ALC are mixed, and 35 to 45 wt% of cement, the rest being pigments, Mixing a blending agent and a water reducing agent in a ratio of 80 to 90: water 10 to 20 to prepare a main raw material to be charged into the mold; Mixing a pigment 5-25 wt%, cement 25-35 wt%, and water 50-60 wt% to form a surface treatment agent for applying the inner surface of the mold; Drying the mold inner surface on which the irregularities of the desired shape are formed and applying the surface treatment agent to the dried mold inner surface; Drying the coated surface treatment agent and filling the main raw material, and then vibrating and molding a mold filled with the main raw material; Injecting the mold, the main raw material is molded into a curing room for dry curing at 50 ~ 70 ℃ for 10 to 14 hours; The dry hardened main raw material is separated from the mold and finally dried.

상기와 같은 특징을 갖는 본 발명에 따른 인조대리석 제조방법을 각 단계별로 나누어 설명하면 다음과 같다.When explaining the artificial marble manufacturing method according to the present invention having the characteristics as described above for each step as follows.

[제1단계][Step 1]

제1단계는 소정의 깊이와 너비를 갖으며 내면에 자연석 형태의 요철을 형성시킨 몰드를 마련하는 단계로서, 이는 몰드의 내면 즉 바닥면에 자연미를 연출하도록 요철을 형성시킨다. 단 상기 바닥면이라 함은 제조된 인조대리석에서 볼 때 외측을 향하는 면을 말한다.The first step is to prepare a mold having a predetermined depth and width and the natural stone-like irregularities are formed on the inner surface, which forms irregularities to produce natural beauty on the inner surface of the mold, that is, the bottom surface. However, the bottom surface refers to a surface facing outward when viewed from the manufactured artificial marble.

[제2단계][Step 2]

제2단계는 상기 제1단계에서 마련된 몰드에 충입되는 주원료를 만드는 단계로서, 이는 425㎛m 체에 95%이상 걸리는 크기의 규사 25∼55wt%, 화산석, 펄라이트, 파쇄ALC 중 어느 하나 또는 2가지 이상이 혼합된 경량골재 5∼25wt%, 시멘트 35∼45wt%, 나머지는 안료, 혼화제 및 감수제를 혼합기에 투입하여 그 혼합기를 작동시킴으로서 혼합이 이루어지고, 그 혼합물 80∼90 : 물 10 ∼20의 비율로 혼합하여 몰드에 충입할 주원료를 만든다.The second step is to make a main raw material filled in the mold prepared in the first step, which is one or two of 25 to 55wt% of silica sand, volcanic stone, pearlite, crushed ALC of 95% or more in a 425㎛ sieve 5-25 wt% of light aggregate, 35-45 wt% of cement mixed with the above, and the remainder is mixed by adding a pigment, admixture and water reducing agent to the mixer to operate the mixer, and the mixture 80-90: water 10-20 Mix in proportion to make the main raw material to be filled into the mold.

상기 규사는 작은 알갱이로 된 건조된 흰모래로서, 그를 사용하는 이유는, 본 발명의 방법에 따라 제조된 인조대리석의 강도를 높이고 원적외선을 방출시킬 수 있도록 하기 위함으로, 25wt% 이하를 사용하게 되면 인조대리석의 강도가 떨어지고, 55wt% 이상을 사용하게 되면 인조대리석의 강도는 향상되나 상대적으로 다른 물질을 적게 사용해야 함으로 목적하는 인조대리석을 제조하지 못하는 문제점이 있다. The silica sand is a small grain of dried white sand, the reason for using it is to increase the strength of the artificial marble prepared according to the method of the present invention and to emit far infrared rays, when using 25wt% or less If the strength of the artificial marble is lowered, and 55wt% or more is used, the strength of the artificial marble is improved, but there is a problem in that it is not possible to manufacture the target artificial marble because relatively less materials are used.

상기 경량골재는 화산석, 펄라이트, 파쇄ALC 중 어느 하나 또는 2가지 이상이 혼합된 것으로서, 상기 결량골재를 사용하는 이유는, 본 발명의 방법에 따라 제조된 인조대리석의 무게를 줄여 시공의 편이성과 내구성을 높이기 위함이며, 5wt% 이하를 사용하면 본 발명에서 요구하는 인조대리석의 무게가 지나치게 무거워지고. 25wt% 이상이 되면 상대적으로 다른 물질을 적게 사용해야 함으로 본 발명이 목적하는 인조대리석을 제조하지 못하는 문제점이 있다.The lightweight aggregate is any one or two or more of volcanic stone, pearlite, crushed ALC is mixed, the reason for using the defect aggregate, the ease and durability of construction by reducing the weight of artificial marble prepared according to the method of the present invention In order to increase the use of 5wt% or less of the artificial marble required by the present invention is too heavy. If it is 25wt% or more, there is a problem in that the artificial marble of the present invention cannot be manufactured because the relatively different materials are used less.

상기 시멘트는 이미 잘 알려진 바와 같이 점결의 목적과 강도조절제로 사용되는 것으로서, 35wt%이하를 사용하면 점결력과 강도가 떨어지는 문제점이 있고, 45wt%이상을 사용하면 점결력과 강도는 향상되나 상대적으로 다른 물질을 적게 사용해야 함으로 목적하는 인조대리석을 제조하지 못하는 문제점이 있다. The cement is used as the purpose and strength control agent of the caking as already known, the use of less than 35wt% has a problem of low coking force and strength, the use of more than 45wt% improves coking force and strength but relatively There is a problem that can not produce the desired artificial marble by using less other materials.

그리고, 상기 안료는, 인조대리석의 색상을 자연석과 준하는 색상을 연출하기 위하여 사용하는 것이고, 혼화제는, 모르타르나 콘크리트에 특별한 품질을 부여하거나 성질을 개선하기 위하여 첨가되는 재료로서, 플라이애쉬를 콘크리트에 혼입시켜 수화열(水和熱)을 억제하거나 수축을 줄이는 것 및 응결 경화시간조절 등의 목적으로 사용되는 것이며, 감수제는, 모르타르나 콘크리트 중의 시멘트 입자를 분산시켜서 단위수량을 감소시키거나, 콘크리트 중에 미세기포를 연행시켜서 작업성을 향상시키는 한편, 분산효과에 의해 단위수량을 감소시키는 역할을 한다.In addition, the pigment is to use the color of artificial marble to produce a color comparable to that of natural stone, admixture is a material that is added to give a special quality or improve the properties of mortar or concrete, fly ash to the concrete It is used for the purpose of mixing to suppress the heat of hydration, to reduce shrinkage, and to control the setting time of condensation, and the water reducing agent is used to disperse the mortar or cement particles in concrete to reduce the unit quantity, Enhancement of workability by entraining bubbles, while reducing the amount of units by the dispersion effect.

상기와 같이 하여 혼합물이 조성되면 그 혼합물에 물을 투입하여 믹싱을 하는데 상기 물과 혼합물의 사용 비율은 물 10 ∼ 20 : 혼합물 80∼90으로 한다. 상기 물의 량이 10이하이면 혼합물과의 믹싱이 정상적으로 이루어지지 않고, 20이상이 되면 믹싱은 잘 이루어지나 너무 묽은 단점이 있다. 따라서 물과 혼합물의 사용 비율은 물 10 ∼ 20 : 혼합물 80∼90으로 함이 바람직하다.When the mixture is prepared as described above, water is added to the mixture for mixing, and the ratio of water and the mixture is 10 to 20: 80 to 90 mixture. If the amount of water is less than 10, the mixing with the mixture is not made normally, if more than 20, the mixing is well done, but there is a disadvantage too thin. Therefore, it is preferable that the use ratio of water and a mixture shall be water 10-20: mixture 80-90.

[제3단계]  [Step 3]

제3단계는 상기 제1단계에서 마련된 몰드에 주원료를 충입하기 전에 도포되는 표면처리제를 만드는 단계로서, 이는 안료 5∼25wt%, 시멘트 25∼35wt%, 물 50∼60wt%를 혼합기에 투입하여 그 혼합기를 작동시킴으로서 표면처리제가 만들어지는 것이다.The third step is to make a surface treatment agent applied before the main material is charged into the mold prepared in the first step, which is 5-25 wt% of pigment, 25-35 wt% of cement and 50-60 wt% of water to the mixer. The surface treatment agent is made by operating the mixer.

상기 안료는 본 발명에 따라 제조되는 인조대리석을 칼라화시키고자 사용되는 것으로, 그 색상은 인조대리석의 외관 색상을 어떠한 돌(石)의 색상으로 할 것인가에 따라 안료의 색상도 달라진다. The pigment is used to colorize the artificial marble produced according to the present invention, and the color of the pigment also varies depending on which stone color the exterior color of the artificial marble is.

그 안료의 사용량이 5∼25wt% 인데, 그 이상을 사용하거나 그 이하를 사용하게 되면 인조대리석의 자연미를 훼손시키는 문제점이 발생한다.The amount of the pigment used is 5 to 25wt%, but when used more or less, there is a problem of damaging the natural beauty of artificial marble.

상기 시멘트는 표면처리제가 몰드의 내면에 잘 접착될 수 있도록 하기 위하여 사용되는 것이고, 그 사용량이 25wt% 이하를 사용하게 되면 표면처리제의 점결력이 떨어져 표면처리제가 몰드의 내면에 접착되지 못하는 문제점이 발생하고, 35wt% 이상을 사용하게 되면 표면처리제의 점결력은 좋아지나 상대적으로 다른 물질을 적게 사용해야 함으로 그에 따른 표면처리제로서의 효능에 부합하지 못하는 문제점이 발생한다.The cement is used to allow the surface treatment agent to adhere well to the inner surface of the mold. When the amount of the surface treatment agent is used below 25wt%, the cohesive force of the surface treatment agent is reduced, and thus the surface treatment agent cannot be adhered to the inner surface of the mold. When the 35wt% or more is used, the cohesive force of the surface treatment agent is improved, but the use of other materials is relatively low, resulting in a problem inconsistent with the efficacy as the surface treatment agent.

상기 물은 액상의 표면처리제를 만드는데 필수적인 것으로서, 50∼60wt% 사용하는데, 그 이상을 사용하거나 그 이하를 사용하게 되면 상기 안료 및 시멘트의 사용량이 상대적으로 많아지거나 적어짐으로 본 발명에서 요구하는 표면처리제의 효능에 부합하지 못하는 문제점이 발생한다.The water is necessary to make a liquid surface treatment agent, 50 to 60wt% is used, when using more or less than the amount of the pigment and cement used in the surface treatment agent required in the present invention Problems that do not match the efficacy of.

한편, 상기 제1단계 내지 제3단계는 본 발명의 설명 편의상 각 단계의 순서를 정한 것일 뿐 각 단계의 순서는 뒤바뀌어도 상관없다.On the other hand, the first step to the third step is for convenience of explanation of the present invention only the order of each step is determined, the order of each step may be reversed.

[제4단계][Step 4]

제4단계는 상기 제1단계에서 마련된 몰드의 내면에 표면처리제를 도포하는 단계로서, 이는 먼저 몰드의 내면을 이물질이 없도록 세척하고 그 세척된 표면을 건조시킨 다음 이에 상기 제3단계에 의해서 만들어진 표면처리제를 소정의 두께로 도포한다.The fourth step is a step of applying a surface treatment agent to the inner surface of the mold prepared in the first step, which first washes the inner surface of the mold to be free of foreign matter, and then dry the washed surface and then the surface made by the third step The treatment agent is applied to a predetermined thickness.

상기 표면처리제를 도포하는 이유는, 하기 단계에서 설명되는 주원료를 몰드에서 건조 경화시킨 다음 그를 몰드로부터 인출해 낼 때에 그 인출작업을 용이하게 하는 이형제 역할과 동시에 인조대리석의 표면층 역할을 하도록 하는 것이다.The reason for applying the surface treating agent is to serve as a surface layer of artificial marble simultaneously with a release agent that facilitates the drawing operation when the main raw material described in the following steps is dried and cured in a mold and then taken out from the mold.

[제5단계][Step 5]

제5단계는 상기 제4단계에서 도포된 표면처리제를 건조시키고 이에 제2단계에서 만들어진 주원료를 충입하는 단계로서, 상기 주원료의 충입이 완료되면 몰드를 진동기를 이용하여 진동시키면서 몰드내의 요철부분에 주원료가 조밀하게 충입되게 한다. 이와 같이하면 상기 주원료의 성형작업은 완료된다.The fifth step is a step of drying the surface treatment agent applied in the fourth step and filling the main raw material made in the second step, and when the filling of the main raw material is completed, the mold is vibrated using the vibrator to the uneven portion of the mold Allows main ingredients to be densely packed In this way, the molding operation of the main raw material is completed.

[제6단계][Step 6]

제6단계는 상기 제5단계에서의 주원료 성형작업이 완료되면 그를 양생실에 공급하여 50∼70℃의 온도에서 10∼14시간동안 건조 경화시키는 단계로서, 상기 건조 온도가 50℃ 이하이면 건조시간이 너무 오래 걸려 생산성에 차질이 발생하는 문제점이 있고, 70℃ 이상이면 건조가 빨리 되는 장점은 있으나, 크랙이 발생할 우려가 있다. 상기 건조시간 10∼14시간은 건조온도 60±2℃에서 수분함량 5%이하 될 때까지 건조하는데 걸리는 시간을 말하는 것으로 이는 5회에 걸쳐 실험해본 결과치이다.In the sixth step, when the main raw material forming operation in the fifth step is completed, it is supplied to the curing room and dried and cured for 10 to 14 hours at a temperature of 50 to 70 ° C., and the drying time is 50 ° C. or less. This takes too long to cause a problem in productivity, and if there is an advantage of drying faster than 70 ℃, there is a risk of cracking. The drying time of 10 to 14 hours refers to the time taken for drying until the moisture content is 5% or less at a drying temperature of 60 ± 2 ° C., which is the result of five experiments.

[제7단계][Step 7]

제7단계는 상기 제6단계에서의 건조작업이 완료되면 그 건조 완료된 성형 품을 몰드로부터 인출하고 그 인출 품을 최종 건조시키는 단계로서, 상기 최종건조 방법은 70℃이하의 건조 열풍기를 통과시켜 건조하는 것이다. In the seventh step, when the drying operation in the sixth step is completed, the dried molded product is taken out from the mold and the dried product is finally dried. The final drying method is dried by passing a drying hot air fan having a temperature of 70 ° C. or lower. It is.

이상의 작업이 완료되면 일 측면이 자연석 형태의 요철이 형성된 인조대리석이 되는 것이다.When the above work is completed, one side will be artificial marble formed with natural stone irregularities.

이상과 같은 본 발명의 방법에 따라 제조된 인조대리석은 일 측면이 자연석과 동일한 형태의 요철부가 형성되어 있음은 물론, 색상 역시 자연석과 유사한 색상으로 되어 있으며, 제조 공정이 간단하고 용이하여 제조에 따른 비용이 절감됨으로 소비자가가 다운되는 효과가 있다.Artificial marble prepared according to the method of the present invention as described above, one side is formed with the uneven portion of the same shape as the natural stone, as well as the color is similar to natural stone, the manufacturing process is simple and easy to Reduced costs have the effect of reducing consumer prices.

또한 본 발명의 방법에 따라 제조된 인조대리석은 자연석과 구분되지 못할 정도로 유사하여 건축물의 목적하는 곳에 설치하게 되면 그 자연미와 세련미 및 웅장함으로 인하여 건축물의 품위를 향상시키는 효과가 있다.In addition, the artificial marble prepared according to the method of the present invention is similar to the natural stone can not be distinguished when installed in the intended place of the building has the effect of improving the dignity of the building due to its natural beauty, refinement and grandeur.

Claims (1)

소정의 깊이와 너비를 갖으며 내면에 자연석 형태의 요철을 형성시킨 몰드를 마련하는 단계;Preparing a mold having a predetermined depth and width and having irregularities in the form of natural stones on the inner surface thereof; 425㎛m 체에 95%이상 걸리는 크기의 규사 25∼55wt%, 화산석, 펄라이트, 파쇄ALC 중 어느 하나 또는 2가지 이상이 혼합된 경량골재 5∼25wt%, 시멘트 35∼45wt%, 나머지는 안료, 혼화제 및 감수제를 혼합하여 된 혼합물 80∼90 : 물 10 ∼20의 비율로 혼합하여 몰드에 충입할 주원료를 만드는 단계;25 to 55 wt% of silica sand with a size of 95% or more in a 425 μm sieve, 5 to 25 wt% of light aggregate in which any one or two or more of volcanic stone, pearlite and crushed ALC are mixed, and 35 to 45 wt% of cement, the rest being pigments, Mixing a blending agent and a water reducing agent in a ratio of 80 to 90: water 10 to 20 to prepare a main raw material to be charged into the mold; 안료 5∼25wt%, 시멘트 25∼35wt%, 물 50∼60wt%를 혼합하여 상기 몰드의 내부면을 도포 할 표면처리제를 만드는 단계;Mixing a pigment 5-25 wt%, cement 25-35 wt%, and water 50-60 wt% to form a surface treatment agent for applying the inner surface of the mold; 상기 원하는 형상의 요철이 형성된 몰드 내면을 건조시키고 그 건조된 몰드 내면에 상기 표면처리제를 도포하는 단계;Drying the mold inner surface on which the irregularities of the desired shape are formed and applying the surface treatment agent to the dried mold inner surface; 상기 도포된 표면처리제를 건조시키고 이에 상기 주원료를 충입한 다음 그 주원료가 충입된 몰드를 진동시켜 성형하는 단계;Drying the coated surface treatment agent and filling the main raw material, and then vibrating and molding a mold filled with the main raw material; 상기 주원료가 성형 완료된 몰드를 양생실에 투입하여 50∼70℃에서 10∼14시간동안 건조 경화시키는 단계;Injecting the mold, the main raw material is molded into a curing room for dry curing at 50 ~ 70 ℃ for 10 to 14 hours; 상기 건조 경화된 주원료를 몰드로부터 분리시켜 그를 최종 70℃이하의 건조열풍을 이용하여 건조시키는 단계를 포함하는 인조대리석 제조방법. Separating the dry cured main raw material from the mold and drying it using a dry hot air of less than 70 ℃ final.
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KR101304795B1 (en) 2010-06-29 2013-09-05 (주)엘지하우시스 Mold for manufacturing artificial marble and method of manufacturing artificial marble using the mold
WO2022065716A1 (en) * 2020-09-28 2022-03-31 롯데케미칼 주식회사 Molded product having appearance of marble

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