KR20010096027A - Method and composition of artificial marble - Google Patents

Method and composition of artificial marble Download PDF

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KR20010096027A
KR20010096027A KR1020000019920A KR20000019920A KR20010096027A KR 20010096027 A KR20010096027 A KR 20010096027A KR 1020000019920 A KR1020000019920 A KR 1020000019920A KR 20000019920 A KR20000019920 A KR 20000019920A KR 20010096027 A KR20010096027 A KR 20010096027A
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artificial marble
composition
calcium
small amount
frp
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KR1020000019920A
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Korean (ko)
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KR100430966B1 (en
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이병옥
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이병옥
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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
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • B28B11/0845—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for smoothing
    • 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
    • C04B14/00—Use 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
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/34—Metals, e.g. ferro-silicon
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/54—Pigments; Dyes
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: A method of manufacturing artificial marble using waste gypsum is provided to reclaim waste gypsum as well as prevent environmental pollution. CONSTITUTION: The artificial marble is produced by(10) mixing thermosetting 20-30wt.%, calcium 70-80wt.% and an anti-oxidizing agent;(20) molding the mixture in a mold at about 40deg.C for 1hr;(30) polishing the surface of formed article. In the first step a small amount of pigment is optionally added to the mixture.

Description

인조대리석의 조성물 및 그 제조방법{Method and composition of artificial marble}Composition of artificial marble and its manufacturing method {Method and composition of artificial marble}

본 발명은 인조대리석을 제조하기 위한 그 조성물 및 제조방법에 관한 것으로, 특히 폐석고를 활용하여 인조대리석을 제조하는 조성물 및 그 제조방법에 관한 것이다.The present invention relates to a composition and a method for producing the artificial marble, and more particularly to a composition for producing artificial marble using waste gypsum and a method for producing the same.

대리석은 외관이 우수한 특징때문에 건축용 내,외장재나 기타 다양한 고급 마감재료로 많이 이용되고 있다. 그러나, 자연 대리석은 고가이므로, 건축 시공비용을 상승시키게 되므로, 이를 대체할 수 있는 인조대리석을 제조하여 대체하고자 하는 많은 노력이 있었다. 특히, 도 1에 도시된 바와 같이, 종래에는 수지 및 수산화알루미늄을 주재료로 하여 인조대리석을 제조하는 방법을 사용하였다. 종래의 인조대리석 제조방법은, 수지 35%에 대해 수산화알루미늄 65%를 혼합하는 제1단계(1)와; 상기 혼합 조성물을 계근 성형기에 투입하여 성형하는 제2단계(2)와; 성형된 제품의 표면을 연마하는 제3단계(3)로 구성되어, 완성된 인조대리석을 적당한 형태로 재단(4)하여 완성하게 된다. 그러나, 이와 같은 인조대리석 제조에 있어 사용되는 수산화알루미늄은 수입품하여 사용하고 있으며, 고가에 해당한다.Marble is widely used as interior and exterior materials for building and various other high quality finishing materials because of its excellent appearance. However, since natural marble is expensive, it will increase the construction cost, there have been many efforts to manufacture and replace artificial marble that can replace it. In particular, as shown in Fig. 1, conventionally, a method of manufacturing artificial marble using resin and aluminum hydroxide as main materials was used. Conventional artificial marble manufacturing method, the first step (1) of mixing 65% aluminum hydroxide to 35% resin; A second step (2) of molding the mixed composition into a weighing machine; Comprising a third step (3) of polishing the surface of the molded product, the finished artificial marble is cut (4) to a suitable shape and completed. However, aluminum hydroxide used in the manufacture of such artificial marble is imported and used, and corresponds to a high price.

또한, 종래에 비료공장 등에서 부수적으로 생산된 독성을 갖는 폐석고들이 제한된 분야에서만 사용되고 폐석고의 활용도가 많지가 않았다. 즉, 폐석고는 이를 재생하여 순칼슘을 얻은 후에 석면, 접착제를 혼합하여 석고보드를 생산하여 건축 마감재료로 활용하는 정도에 국한되어 있었다. 따라서, 재활용되지 못하고 많은 양이 폐기처리됨에 따라 많은 비용과 노력을 필요로 하였다. 또한, 폐기처리되지 않고 방치된 폐석고는 주위 환경을 오염시키게 되므로 그 처리에 있어 많은 문제점이 되어 왔다.In addition, conventionally used toxic waste gypsum produced in the fertilizer factory, etc. are used only in limited fields, the utilization of waste gypsum was not much. In other words, the waste gypsum was limited to the extent of recycling it to obtain pure calcium, then mixing asbestos and adhesives to produce gypsum board and use it as a building finishing material. Therefore, a large amount of waste was disposed of and not recycled, which required a great deal of cost and effort. In addition, waste gypsum, which has not been disposed of, has caused many problems in its treatment because it will pollute the surrounding environment.

본 발명은 상기의 결점을 해소하기 위한 것으로, 종래의 폐석고를 재생하여 환경오염을 방지함과 동시에 저렴하면서도 자연대리석이나 종래의 인조대리석보다 우수한 강도를 갖는 인조대리석을 제공하고자 한다.The present invention is to solve the above-mentioned shortcomings, and to provide an artificial marble having a superior strength than natural marble or conventional artificial marble while at the same time to prevent the environmental pollution by regenerating the conventional waste gypsum.

이러한 본 발명에 의한 인조대리석은, 열경화성수지 20∼30wt%에 대해 칼슘 70∼80wt%와, 소량의 산화방지제의 혼합된 조성물로써 달성된다.The artificial marble according to the present invention is achieved as a mixed composition of 70 to 80 wt% calcium and a small amount of antioxidant with respect to 20 to 30 wt% thermosetting resin.

도 1은 종래의 인조대리석 제조방법을 보여주는 도면,1 is a view showing a conventional artificial marble manufacturing method,

도 2는 본 발명의 방법에 의한 인조대리석 제조방법을 보여주는 도면.Figure 2 is a view showing a method of manufacturing artificial marble by the method of the present invention.

본 발명의 실시예를 첨부 도면을 참고하여 상세히 설명하면 다음과 같다.An embodiment of the present invention will be described in detail with reference to the accompanying drawings.

본 발명의 인조대리석 조성물은, 열경화성수지 20∼30wt%에 대해 칼슘 70∼80wt%와, 소량의 산화방지제를 혼합하여, 상기 열경화성수지가 결합수지로 작용하여 인조대리석을 제조하게 된다. 상기 산화방지제로는 산화마그네슘(MgO) 등이 이용될 수가 있다.In the artificial marble composition of the present invention, 70 to 80 wt% of calcium and a small amount of antioxidant are mixed with respect to 20 to 30 wt% of the thermosetting resin, and the thermosetting resin acts as a binder resin to prepare artificial marble. Magnesium oxide (MgO) or the like may be used as the antioxidant.

본 발명의 조성물은, 색깔을 내기 위한 안료가 추가로 혼합될 수가 있다.In the composition of the present invention, a pigment for coloring may be further mixed.

도 2에 도시된 바와 같이, 본 발명에 의한 인조대리석을 제조하는 방법은, 열경화성수지 20∼30wt%에 대해 칼슘 70∼80wt%와, 소량의 산화방지제를 혼합하는 제1단계(10)와; 상기 조성물을 성형기에 투입하여 성형하는 제2단계(20)와; 성형된 제품의 표면을 연마하는 제3단계(30)로 구성되어, 연마된 인조대리석을 적절히 재단(40)하게 된다.As shown in FIG. 2, the method of manufacturing artificial marble according to the present invention includes a first step (10) of mixing 70 to 80 wt% of calcium and a small amount of antioxidant with respect to 20 to 30 wt% of the thermosetting resin; A second step 20 of molding the composition into a molding machine; It consists of a third step (30) of polishing the surface of the molded product, thereby appropriately cutting the polished artificial marble (40).

이때, 상기 제1단계(10)는, 색깔을 낼 수 있는 소량의 안료가 추가로 혼합될 수가 있다.At this time, in the first step 10, a small amount of pigment that can give a color may be further mixed.

상기 제2단계(20)에서 바람직하게는 혼합된 조성물이 성형기에서 약 40°온도에서 1시간 가량 유지되게 된다.In the second step 20, preferably the mixed composition is maintained for about 1 hour at a temperature of about 40 ° in the molding machine.

이와 같이 구성된 본 발명의 인조대리석의 효과를 상세히 살펴보면 다음과 같다.Looking at the effect of the artificial marble of the present invention configured as described above in detail.

표 1은 종래의 조성물에 의한 인조대리석(탈크+FRP)과 본 발명에 의한 인조대리석(칼슘+FRP)의 물성시험 결과를 보여주는 것이다. 이하 시험결과에서 인장시험은 시험속도 2㎜/분, 굴곡강도는 1㎜/분, 압축시험은 1㎜/분의 시험속도에서 수행하였으며, 지점간 거리는 50㎜이다. 종래 인조대리석으로는 많이 이용되고 있는 탈크(talc)와 섬유 강화플라스틱(FRP)을 혼합한 조성물을 이용하였다.Table 1 shows the physical property test results of artificial marble (talk + FRP) and artificial marble (calcium + FRP) according to the present invention. In the test results below, the tensile test was performed at a test speed of 2 mm / min, the flexural strength of 1 mm / min, and the compression test at a test speed of 1 mm / min, and the distance between points was 50 mm. Conventionally, as the artificial marble was used a composition mixed with talc (talc) and fiber reinforced plastic (FRP).

인장강도(㎏/㎠)Tensile Strength (㎏ / ㎠) 굴곡강도(㎏/㎠)Flexural Strength (㎏ / ㎠) 압축강도(㎏/㎠)Compressive strength (㎏ / ㎠) (칼슘+FRP)-1(Calcium + FRP) -1 325325 596596 1,1251,125 (칼슘+FRP)-2(Calcium + FRP) -2 164164 525525 1,2001,200 (칼슘+FRP)-3(Calcium + FRP) -3 272272 775775 1,2001,200 (칼슘+FRP)-4(Calcium + FRP) -4 269269 677677 1,1301,130 (칼슘+FRP)-5(Calcium + FRP) -5 336336 650650 1,1801,180 (탈크+FRP)-1(Talk + FRP) -1 123123 360360 640640 (탈크+FRP)-2(Talk + FRP) -2 153153 400400 530530 (탈크+FRP)-3(Talk + FRP) -3 171171 470470 340340 (탈크+FRP)-4(Talk + FRP) -4 149149 330330 720720 (탈크+FRP)-5(Talk + FRP) -5 156156 440440 550550

표 1의 시험결과에 나타난 바와 같이, 종래의 인조대리석인 탈크와 FRP 조성물에서, 인장강도의 평균값은 150.4㎏/㎠이며, 굴곡강도의 평균값은 400㎏/㎠이며, 압축강도의 평균값은 438㎏/㎠로 나타났다.As shown in the test results of Table 1, in the conventional artificial marble talc and FRP composition, the average value of the tensile strength is 150.4㎏ / ㎠, the average value of the bending strength is 400㎏ / ㎠, the average value of the compressive strength is 438㎏ / Cm 2.

반면에 본 발명에 의한 인조대리석인 칼슘+FRP 조성물에서, 인장강도의 평균값은 273.2㎏/㎠이며, 굴곡강도의 평균값은 644.6㎏/㎠이며, 압축강도의 평균값은 1167㎏/㎠로 나타났다. 즉, 본 발명의 조성물에 의한 인조대리석은 종래의 인조대리석에 비하여 인장강도, 굴곡강도에서 우수한 효과를 보였으며, 특히 압축강도에 있어서는 종래의 인조대리석에 비하여 약 2.7배정도 우수함을 알 수가 있다.On the other hand, in the artificial marble calcium + FRP composition according to the present invention, the average value of the tensile strength is 273.2 kg / ㎠, the average value of the flexural strength was 644.6 kg / ㎠, the average value of the compressive strength was 1167 kg / ㎠. In other words, the artificial marble according to the composition of the present invention showed an excellent effect in tensile strength and bending strength as compared with the conventional artificial marble, and in particular, the compressive strength was about 2.7 times better than the conventional artificial marble.

이상과 같은 본 발명의 조성물에 의한 인조대리석은, 열경화성수지20∼30wt%에 대해 칼슘 70∼80wt%와, 소량의 산화방지제를 혼합하여 구성되어, 종래의 폐석고를 활용한 재생된 칼슘을 이용할 수가 있다. 따라서, 종래의 폐석고 처리에 따른 비용과 노력을 절감할 수가 있으며, 환경오염을 방지할 수 있음과 동시에, 종래의 인조대리석보다 우수한 강도를 갖는 인조대리석을 제공할 수 있는 효과가 있는 발명인 것이다.The artificial marble according to the composition of the present invention as described above is composed of 70 to 80 wt% of calcium and a small amount of antioxidant with respect to 20 to 30 wt% of the thermosetting resin, and it is possible to use recycled calcium utilizing conventional waste gypsum. have. Therefore, it is possible to reduce the cost and effort according to the conventional waste gypsum treatment, to prevent environmental pollution, and to provide an artificial marble having a strength superior to that of the conventional artificial marble.

Claims (5)

열경화성수지 20∼30wt%에 대해 칼슘 70∼80wt%와 소량의 산화방지제를 혼합하는 것을 특징으로 하는 인조대리석 조성물.An artificial marble composition, characterized in that 70 to 80 wt% of calcium and a small amount of antioxidant are mixed with 20 to 30 wt% of a thermosetting resin. 제 1항에 있어서, 상기 조성물은 색깔을 낼 수 있는 안료가 소량 포함하는 것을 특징으로 하는 인조대리석 조성물.The artificial marble composition of claim 1, wherein the composition comprises a small amount of a pigment capable of producing color. 열경화성수지 20∼30wt%에 대해 칼슘 70∼80wt%와, 소량의 산화방지제를 혼합하는 제1단계와;A first step of mixing 70 to 80 wt% of calcium and a small amount of antioxidant with respect to 20 to 30 wt% of the thermosetting resin; 상기 조성물을 성형기에 투입하여 성형하는 제2단계와;A second step of molding the composition by a molding machine; 성형된 제품의 표면을 연마하는 제3단계로 구성되는 것을 특징으로 하는 인조대리석 제조방법.The artificial marble manufacturing method comprising a third step of polishing the surface of the molded product. 제 3항에 있어서, 상기 제1단계는, 색깔을 낼 수 있는 소량의 안료가 추가로 혼합되는 것을 특징으로 하는 인조대리석 제조방법.The method of claim 3, wherein the first step is a method of manufacturing artificial marble, characterized in that the addition of a small amount of pigment that can be colored. 제 3항에 있어서, 상기 제2단계는, 성형기에서 약 40°온도에서 1시간 가량 진행되는 것을 특징으로 하는 인조대리석 제조방법.The method of claim 3, wherein the second step is performed for about 1 hour at a temperature of about 40 ° in the molding machine.
KR10-2000-0019920A 2000-04-17 2000-04-17 Method and composition of artificial marble KR100430966B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030075406A (en) * 2002-03-18 2003-09-26 주식회사 제이스톤 Method and composition of artficial marble

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030075406A (en) * 2002-03-18 2003-09-26 주식회사 제이스톤 Method and composition of artficial marble

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