KR970001037B1 - Process for the preparation of artificial stone using plastic chip - Google Patents

Process for the preparation of artificial stone using plastic chip Download PDF

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Publication number
KR970001037B1
KR970001037B1 KR1019940008334A KR19940008334A KR970001037B1 KR 970001037 B1 KR970001037 B1 KR 970001037B1 KR 1019940008334 A KR1019940008334 A KR 1019940008334A KR 19940008334 A KR19940008334 A KR 19940008334A KR 970001037 B1 KR970001037 B1 KR 970001037B1
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South Korea
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synthetic resin
weight ratio
cement
artificial stone
mixing
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KR1019940008334A
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Korean (ko)
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KR950029224A (en
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김봉경
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김봉경
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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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • 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
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/06—Quartz; Sand
    • 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
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • C04B16/06—Macromolecular compounds fibrous
    • 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
    • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
    • C04B2103/32—Superplasticisers
    • 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
    • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
    • C04B2103/34—Flow improvers
    • 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
    • C04B2103/50—Defoamers, air detrainers
    • 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
    • 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
    • C04B2111/60—Flooring materials
    • 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
    • C04B2111/80—Optical properties, e.g. transparency or reflexibility
    • C04B2111/82—Coloured materials
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

To provide artificial stone made using synthetic resin chip for room floor material, crushing synthetic resin which was prepared by adding the colored synthetic resin into back cement or general portland under 10mm to make chip having particle size distribution of 80% with particle size 5-8mm and 20% with the below, mixing cement at weight ratio 50:50, mixing fine silica sand which passed through number #320meshat weight ratio 15-20% to prevent shrinkage of admixure and provide a fine tissue of a matrix, adding unfoaming agent 0.1% of nonionic polyether mixture to prevent generating of pore and bubble, adding melaminic or naphthalenic high-plasticizer at weight ratio 0.3-0.8% to give increasing of a strength due to the receding of water by improved plasticity, mixing water and cement at ratio 40% or so in the mixer with about 45-60RPM turning velocity for 3min, constructing within 10-15cm of slump in a construction site or performing pressure forming in mold of a certain size, drilling on the surface of mortar to give good apperance by projecting the added resin chip.

Description

합성수지 조각을 이용한 실내바닥용 인조석Interior stone artificial stone using synthetic resin chips

본 발명은 건물공사시 건물의 실내바닥을 미려하게 하기 위하여 사용하는 실내 바닥용 인조석의 제조방법에 관한 것으로서, 특히 콘크리트 구조물로 이루어진 실내바닥에 색상을 가지는 합성수지조각이 첨가된 시멘트몰탈을 성형한 후 몰탈의 상부를 표면연마하여 시멘트에 첨가된 합성수지조각이 표출되도록 하여 외관이 미려하게 하도록 하고 시공시간을 단축시키며 저렴한 비용으로 공사를 할 수 있도록 하는 합성수지 조각을 이용한 실내바닥용 인조석 제조방법에 관한 것이다.The present invention relates to a method of manufacturing artificial floor artificial stone used to make the interior floor of a building beautiful in construction, in particular after molding a cement mortar added with a synthetic resin fragment having a color on the indoor floor made of a concrete structure It is a method for manufacturing artificial stone for indoor floors using synthetic resin pieces that surface polish the upper part of mortar so that the synthetic resin pieces added to the cement can be expressed to make the appearance beautiful, shorten the construction time, and allow construction at low cost. .

일반적으로 콘크리트로 건축된 건물의 바닥면에는 바닥면이 미려하게 하기 위해서는 시멘트에 종석(색상을 가지는 화강석이나 대리석 칩)을 혼합한 후 콘크리트로 이루어진 실내바닥에 일정두께로 타설하여 고화시키고 타설된 상면에 인조석 그라인더로 표면처리하는 방법과 인조석 타일을 조각맞춤하여 시공하는 방법이 사용되고 있는바, 상기 전자와 같은 방법은 표면이 매끄럽게 처리를 함으로써 외관이 미려하고 실내 바닥재의 재질이 시멘트의 종석을 혼합한 것으로 사용함으로써 강한 강도를 가지는 장점을 가지고 있으나 표면처리시 종석이 그라인더로 연마될때 종석이 가지는 강도에 의하여 연마시간이 장시간 소요되고 이때에 발생되는 분진등에 의하여 분진이 비산되지 않도록 연마수를 연마위치에 뿌려가며 하여야 하기 때문에 기공이 없는 상태에까지 가공하여야 하므로 연마회수가 5∼6회가량 연마하여야 하고 이때에 발생되는 연마수의 유출은 환경을 오염시키는 공해물질로서 처리시 상당한 노력과 비용이 소요되므로 인건비의 상승과 공사기간의 장기화를 가져오며 중량이 무거워 건물의 건조체에 미치는 영향이 커서 건물의 내구성을 저하시키는 단점이 발생되었고 종석이 천역석이므로 표현되는 색상이 제한적이어서 실내환경의 단순화를 가지며, 상기 후자와 같이 대리석이나 합성수지제조 이루어진 타일을 시공할때에는 시공시간이단축되고 오염물질을 배출하지 않는 장점을 가지고 있으나 비용이 고가여서 공사비의 증가와 장기간 경과되면 타일이 콘크리트로 이루어진 바닥면과의 이탈에 의한 보수가 발가피 하며 타일과 타일의 사이에 틈새가 발생되어 상기 틈새에 먼지등의 이물질이 끼게 되므로 외관환경을 해치는 문제점이 발생되었다.In general, in order to make the floor beautiful on the floor of a concrete building, mixed cementite (granite or marble chips with color) is mixed with cement, and the concrete is placed on a concrete floor and solidified and poured. The method of surface treatment with artificial stone grinder and the method of fitting artificial stone tiles are used. The same method as the former has a smooth surface and beautiful appearance, and the interior flooring material is mixed with cement stones. It has the advantage of having a strong strength by using it, but when the surface is polished by the grinder, the polishing time is taken for a long time due to the strength of the keystone, and the polishing water is placed at the polishing position so that dust is not scattered by the dust generated at this time. There is no pore because it should be sprayed Should be processed up to 5 ~ 6 times of polishing, and the outflow of polishing water is a pollutant that pollutes the environment, which requires considerable effort and cost in processing, thus increasing labor costs and prolonging the construction period. Its weight is heavy and the effect on the building of the building is heavy, which has the disadvantage of deteriorating the durability of the building. As the keystone is a natural stone, the color is limited to simplify the indoor environment. When constructing a tile, the construction time is shortened and it does not emit pollutants. However, the cost is high, and the construction cost is increased and the repair is avoided due to the departure of the tile from the concrete floor after a long period of time. A gap is generated between the tile and the tile, The foreign matters are caught, causing problems in the appearance environment.

본 발명은 상기와 같이 실내바닥면을 형성할때 발생되는 종래의 문제점을 해결하기 위하여 창출한 것으로서, 시멘트에 종석보다 골재비중이 30% 가량 가볍고 경도가 약하게 쉽게 연마되는 색상을 가지는 합성수지 조각을 첨가하겨 사용하되 시멘트와 합성수지 조각과의 친화성을 위하여 친하제를 첨가하고 합성 수지조각이 적은 횟수의 표면연마(1∼2)로도 외관이 미려하게 가공이 될 수 있으므로 시공시간을 단축시킬 수 있으며 첨가되는 합성수지 조각을 폐합성수지로서 가공하여 산업폐기물의 재활용을 이룰 수 있도록 하므로 원가절감을 이루도록 하고 연마수의 유출을 최소화 함으로써 환경오여믈 방지할 수 있도록 하며 합성수지의 색상을 다양하게 함으로써 외관이 미려하게 할 수 있도록 하는 합성수지 조각을 이용한 실내바닥용 인조석을 제공하는데 있다.The present invention was created in order to solve the conventional problems that occur when forming the interior floor as described above, the addition of synthetic resin pieces having a color of about 30% lighter aggregate weight and weaker hardness than cement stone easily polished to cement For the affinity between cement and synthetic resin fragments, a lipophilic agent is added and the surface polishing (1 ~ 2) of synthetic resin fragments can be processed beautifully so that the construction time can be shortened. The synthetic resin pieces are processed as waste synthetic resins to achieve the recycling of industrial wastes, thereby achieving cost reduction, minimizing the outflow of abrasive water, preventing environmental pollution, and making the appearance beautiful by varying the color of the synthetic resins. Provide artificial stone for indoor floor using synthetic resin pieces It is.

이하, 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail.

백시멘트나 일반 포트랜드시멘트에 색상을 가지는 합성수지를 첨가하되 합성수지를 10mm 이하로 분쇄하여 칩을 만든다음 입도의 분포를 5∼8mm가 80%, 그 이하가 20%가 되도록 하여 시멘트와 50:50의 중량비로 혼합하고, 상기 혼합물에 수축을 방지하고 매트릭스의 조직을 치밀하게 하기 위하여 #320메쉬를 통과한 미세규사를 중량비 15∼20%로 혼합하여, 인조석 형성시 발생되는 공극과 기포발생을 억제하기 위하여 비이온성 폴리에테르 혼합물인 소포제를 0.1% 첨가하고 유동성을 향상시켜 감수효과를 내도록 하여 강도를 증가시키도록 멜라민계나 나프타렌계의 고유동화제를 중량비 0.3∼0.8%를 첨가하며, 물시멘트비를 40% 내외로 하여 물과 혼합한 후 약 45∼60RPM의 회전속도를 가지는 혼합기에 3분 정도 혼합하여 스럼프를 10∼15cm되는 범위내에서 공사현상에서 직접 포설하거나 일정한 크기의 몰드에 가압성형한 후 표면을 연마기로 돌출상태의 합성수지 칩과 시멘트몰탈을 연마하면 되는 것이다.Add colored synthetic resin to the back cement or general port cement, but crush the synthetic resin to less than 10mm to make chips, and make the particle size distribution of 5 ~ 8mm 80% and less than 20%. Mixing by weight ratio, to prevent shrinkage and to compact the structure of the matrix to mix the micro-silica passing through the # 320 mesh in a weight ratio of 15 to 20%, to suppress the formation of voids and bubbles generated during the formation of artificial stone In order to increase the strength by adding 0.1% antifoaming agent, which is a nonionic polyether mixture, to improve the fluidity, and to increase the water-resistance effect, 0.3 ~ 0.8% of weight ratio of melamine or naphthalen is added. After mixing with water and mixing with water for about 3 minutes in a mixer having a rotational speed of about 45 ~ 60RPM in the construction phenomena within the range of 10 ~ 15cm After laying directly or press molding in a mold of a certain size, the surface of the synthetic resin chips and cement mortar of the protruding state is polished.

이때, 합성수지와 시멘트의 접착은 합성수지가 분쇄된 칩상태에서의 접착면이 증가함으로 충분한 구성결합을 유지하며, 상기와 같은 방법으로 제조된 인조석의 강도를 증가시키기 위하여서는 수용성 수지인 분말형 폴리머나 액상인 EVA, 아크릴 접착제를 첨가한 결과 강도의 현저한 증가가 나타나는 것이고 첨가량은 시멘트 중량비 0.15∼0.5%가 적당하며 액상폴리머의 사용할때 점도는 20℃에서 400∼500CPS 범위가 적당한 것으로 접착용 폴리머는 합성수지 칩 혼합인조석의 강도를 증가시키고 공사현장에서 직접시공시 모체인 콘크리트와 접착성을 높여 시공후 인조석과 콘크리트가 들뜨는 것을 방지하는 것이다.At this time, the adhesion of the synthetic resin and cement maintains sufficient constituent bonds by increasing the adhesive surface in the state of the chip in which the synthetic resin is pulverized, and in order to increase the strength of the artificial stone manufactured by the above method, The addition of liquid EVA and acrylic adhesives resulted in a significant increase in strength. The added amount is 0.15 to 0.5% of the cement weight ratio, and the viscosity is in the range of 400 to 500 CPS at 20 ° C. It is to increase the strength of chip mixed artificial stone and increase the adhesiveness with the concrete which is the parent when constructing directly at the construction site to prevent the artificial stone and concrete from lifting after construction.

상기와 같은 본 발명을 9mm의 두께로 넓이 1m×1m의 크기로 실시한 결과를 실시예를 통해서 살펴보면,Looking at the result of performing the present invention as described above in the size of 1m x 1m in a width of 9mm,

[실시예]EXAMPLE

시멘트 : 7.5kg, 합성수지칩 : 7.5kg, 규사(#320) : 1.5kg, 고유동화제 : 0.08kg, 폴리비닐계 아세테이트 공중합체(PVAC) : 0.02kg, 소포제 : 0.015kg에 물 3ℓ를 넣고 약 3분간 혼합한 후 준비된 바닥면에 균일하게 분포시키고 평활하게 마감한 후 평균 20℃에서 48시간 동안 습윤양생한 후 1일간 건조시키고 연마용 회전 그라인더로 약 5분가 연마하였다.Cement: 7.5kg, Synthetic Resin Chip: 7.5kg, Silica Sand (# 320): 1.5kg, High Emulsifier: 0.08kg, Polyvinyl Acetate Copolymer (PVAC): 0.02kg, Defoamer: 0.015kg After mixing for 3 minutes and uniformly distributed on the prepared bottom surface, and then smoothly finished, wet curing for 48 hours at 20 ℃ on average, then dried for 1 day and polished with a rotary grinder for about 5 minutes.

이때, 시멘트에 첨가되는 합성수지의 비중이 시멘트의 비중보다 가벼우므로 혼합시에 합성수지 조각이 시멘트몰탈의 상층부에 분포되는 것이며, 평면에 돌출된 합성수지 칩은 쉽게 연마되도로 종석을 이용한 이조석의 경우 평면을 연마할때 6∼7회에 걸쳐 연마하는 것에 반하여 본 발명에 의한 인조석은 1∼2회의 연마에도 표면이 매끄럽게 연마되는 것이고 연마후 광택 폴리셔를 사용하면 더욱 미려하게 매끄러운 표면을 얻을 수 있는 것이며, 종석을 이용한 인조석의 경우는 비중이 2.2∼2.3인데 반하여 본 발명에 의한 인조석의 비중은 1.6∼1.7정도로 나타나 종석을 이용한 종래의 인조석보다 비중이 25%가량 경량화 된 것을 알 수 있는 것이다.In this case, since the specific gravity of the synthetic resin added to the cement is lighter than the specific gravity of the cement, the synthetic resin fragments are distributed at the upper layer of the cement mortar during mixing. In the polishing, the artificial stone according to the present invention is smoothly polished even after one to two polishings, and a polished polisher can be used to obtain a more beautifully smooth surface. In the case of artificial stone using the feldspar, the specific gravity is 2.2 to 2.3, whereas the specific gravity of the artificial stone according to the present invention is about 1.6 to 1.7, indicating that the specific gravity is about 25% lighter than the conventional artificial stone using the masonry.

이와 같이 본 발명은 바닥재로 사용되는 인조석에 비중과 경도가 높은 종석을 사용하기 보다는 비중과 경도가 낮은 합성수지 조각을 사용하므로서 인조석의 비중을 감소시키어 구조물의 내구성을 증가시키고 표면가공이 용이하도록 하여 공사기간을 단축시킬 뿐만 아니라 인건비의 절감을 가져오며, 합성수지조각의 색상을 다양하게 하므로서 미려한 생활공간을 창출할 수 있고 페플라스틱등의 합성수지를 사용할때에는 폐플라스틱에 의한 자연환경의 훼손을 방지할 뿐만 아니라 재활용을 통해서 원가절감을 이룰 수 있는 장점을 가지고 있는 것이다.As such, the present invention reduces the specific gravity of the artificial stone by using synthetic resin pieces having a low specific gravity and hardness rather than using a high specific gravity and hardness stone for the artificial stone used as the flooring material to increase the durability of the structure and to facilitate the surface processing. It not only shortens the period, but also reduces labor costs, and creates a beautiful living space by varying the color of synthetic resin pieces. When using synthetic resins such as plastic, it not only prevents damage to the natural environment by waste plastics. Recycling has the advantage of achieving cost reduction.

Claims (1)

백시멘트나 일반 포트랜드시멘트에 색상을 가지는 합성수지를 첨가하된 합성 수지를 10mm 이하로 분쇄하여 칩을 만든다음 입도의 분포를 5∼8mm가 80%, 그 이하가 20%가 되도록 하여 시멘트와 50:50의 중량비로 혼합하고, 상기 혼합물에 수축을 방지하고 메트릭스의 조직을 치밀하게 하기 위하여 #320메쉬를 통과한 미세규사를 중량비 15∼20%로 혼합하며, 인조석 형성시 발생되는 공극과 기포발생을 억제하기 위하여 비이온성 폴리에테르 혼합물인 소포제를 0.1% 첨가하고 유동성을 향상시켜 감수효과를 내도록 하여 강도를 증가시키는 멜라민계나 나프타렌계의 고유동화제를 중량비 0.3∼0.8%를 첨가하며, 물시멘트비를 40% 내외로 하여 물과 혼합한 후 약 40∼60RPM의 회전속도를 가지는 혼합기에 3분 정도 혼합하여 슬럼프를 10∼15cm되는 범위내에서 공사현장에서 직접 포설하거나 일정한 크기의 몰드에 가압성형화하여서 된 것을 특징으로 하는 합성수지조각을 이용한 실내바닥용 인조석.Grind the synthetic resin with the colored resin added to the back cement or general Portland cement to 10mm or less to make chips, and make the particle size distribution of 5 ~ 8mm 80% and below 20%. Mix in a weight ratio of 50, mix microfibers passing through the # 320 mesh in a weight ratio of 15 to 20% to prevent shrinkage and compact the tissue of the matrix, and to generate voids and bubbles generated when artificial stone is formed. In order to suppress, 0.1% of anti-foaming agent, which is a mixture of nonionic polyether, is added, and 0.3 to 0.8% of weight ratio of melamine or naphthalen is added to increase the strength by improving the fluidity to increase the water-resistance effect. After mixing with water with about%, mix for about 3 minutes in a mixer having a rotation speed of about 40 ~ 60RPM and at the construction site within the range of 10 ~ 15cm Artificial stone for indoor floor using a synthetic resin piece, characterized in that the screen hayeoseo pressure forming the ground or laying a certain size mold.
KR1019940008334A 1994-04-20 1994-04-20 Process for the preparation of artificial stone using plastic chip KR970001037B1 (en)

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