KR102621141B1 - Composition for artificial marble and artificial marble using the same - Google Patents
Composition for artificial marble and artificial marble using the same Download PDFInfo
- Publication number
- KR102621141B1 KR102621141B1 KR1020210147309A KR20210147309A KR102621141B1 KR 102621141 B1 KR102621141 B1 KR 102621141B1 KR 1020210147309 A KR1020210147309 A KR 1020210147309A KR 20210147309 A KR20210147309 A KR 20210147309A KR 102621141 B1 KR102621141 B1 KR 102621141B1
- Authority
- KR
- South Korea
- Prior art keywords
- artificial marble
- extract
- resin
- composition
- weight
- Prior art date
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- 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
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- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
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Abstract
본 발명은 조개 껍데기를 포함하는 인조 대리석 조성물 및 이를 이용한 인조 대리석에 관한 것으로, 조개 껍데기를 이용하여, 조개 껍데기 특유의 독특한 빛깔과 고유한 색깔로 천연 대리석과 유사한 무늬와 질감을 나타낼 수 있으며, 폐기되고 있는 패각의 껍데기를 재활용하는 것으로, 친환경적이며, 인체에도 친화적인 인조 대리석을 제공할 수 있다.The present invention relates to an artificial marble composition containing seashells and artificial marble using the same. By using seashells, patterns and textures similar to natural marble can be displayed with the unique color and unique color of the seashells, and can be disposed of. By recycling the shell shells, it is possible to provide artificial marble that is environmentally friendly and friendly to the human body.
Description
본 발명은 조개 껍데기를 포함하는 인조 대리석 조성물 및 이를 이용한 인조 대리석에 관한 것으로, 조개 껍데기를 이용하여, 조개 껍데기 특유의 독특한 빛깔과 고유한 색깔로 천연 대리석과 유사한 무늬와 질감을 나타낼 수 있으며, 폐기되고 있는 패각의 껍데기를 재활용하는 것으로, 친환경적이며, 인체에도 친화적인 인조 대리석을 제공할 수 있다.The present invention relates to an artificial marble composition containing seashells and artificial marble using the same. By using seashells, patterns and textures similar to natural marble can be displayed with the unique color and unique color of the seashells, and can be disposed of. By recycling the shell shells, it is possible to provide artificial marble that is environmentally friendly and friendly to the human body.
일반적으로 대리석은 외관이 우수하기 때문에 건축용 내장재나 외장재의 기타 다양한 고급 마감재로 많이 이용되고 있다. 그러나, 천연 대리석은 고가로 건축 시공 비용을 상승시키게 되므로, 인조 대리석을 제조하여 그를 대체하고자 하는 많은 노력을 기울이고 있다.In general, marble has an excellent appearance, so it is widely used as a variety of high-end finishing materials for architectural interiors and exteriors. However, since natural marble is expensive and increases construction costs, many efforts are being made to replace it by manufacturing artificial marble.
인조 대리석(cultured marble)은 주로 바닥재로 쓰이는 천연 대리석과는 달리 건축 내장재로 건축 벽면의 장식용 마감재, 가구 등의 상판뿐만 아니라, 기계적 물성의 개선으로 바닥재 및 기타 용도로 많이 사용되고 있으며, 그 사용되는 베이스 레진(Base resin)에 따라 크게 아크릴계와 불포화 폴리에스터계의 두 가지 종류로 구분된다. Artificial marble (cultured marble), unlike natural marble, which is mainly used as a flooring material, is widely used as an architectural interior material, as a decorative finish for building walls, as a top plate for furniture, etc., as well as for flooring and other purposes due to improved mechanical properties, and as the base used for it. Depending on the base resin, it is largely divided into two types: acrylic and unsaturated polyester.
이 중 아크릴계 인조 대리석은 수지 자체의 은은한 투명성과 고급스러운 질감 및 우수한 내후성 등의 장점으로 인해 여러 가지 용도로 사용되고 있으며, 그 수요가 계속 증가하고 있다. 예를 들면, 씽크대 상판, 세면 화장대의 상판, 은행 및 일반 매장의 접수대 등 각종 카운터의 상판, 내벽재, 각종 인테리어 조형물 등의 소재로서 그 사용이 확대되고 있다.Among these, acrylic artificial marble is used for various purposes due to the advantages of the resin itself, such as its subtle transparency, luxurious texture, and excellent weather resistance, and its demand continues to increase. For example, its use is expanding as a material for sink tops, vanity tops, various counter tops such as reception desks at banks and general stores, interior wall materials, and various interior sculptures.
불포화 폴리에스터계 인조 대리석은 접착제 역할을 하는 불포화 폴리에스테르 수지와 충진제 역할을 하는 천연 석분의 배합으로 제조된다. 폴리에스테르계의 적층 방법에 의한 FRP(Fiber glass Reinforced Plastic) 수지 금형을 이용해 제조될 수 있으며, 이러한 방법으로 생산한 인조대리석 제품의 표면은, 마블, 흐름, 화강암, 옥돌 등 천연석과 거의 동일한 질감을 가질 수 있다.Unsaturated polyester artificial marble is manufactured by combining unsaturated polyester resin, which acts as an adhesive, and natural stone powder, which acts as a filler. It can be manufactured using FRP (Fiber Glass Reinforced Plastic) resin molds using a polyester-based lamination method, and the surface of artificial marble products produced using this method has a texture almost identical to that of natural stones such as marble, flow, granite, and jade. You can have it.
상기 석분(Stone Powder, filler)이란, 자연에서 채취한 천연석(예: 석회석)을 파쇄하여 미세한 분말로 만들어진 돌가루를 의미한다. 또한, 금형(Mould)은, 금속, 알루미늄, 실리콘, 에폭시, FRP 등으로 제작될 수 있다. FRP는 강화 플라스틱으로서, 유리섬유(Glass Fiber)와 불포화 폴리에스테르수지(Unsaturated Ployester Resin, UPR)를 유리섬유에 함침(含浸)시키면서 여러 겹의 유리섬유를 적층하여 만드는 플라스틱을 말한다.The stone powder (filler) refers to stone powder made into fine powder by crushing natural stones (e.g. limestone) collected from nature. Additionally, the mold may be made of metal, aluminum, silicon, epoxy, FRP, etc. FRP is a reinforced plastic that is made by laminating several layers of glass fiber while impregnating glass fiber with unsaturated polyester resin (UPR).
현재 국내에서 널리 사용되고 있는 인조 대리석은 메틸메타아크릴레이트(Methyl Methacrylate, 이하 'MMA'라 한다)가 주성분인 아크릴 수지에 방염 효과가 있는 알루미늄 화합물을 혼합하여 제조한 것으로, 그 구성성분은 MMA 약 30~45 중량%, 무기 충진제 약 45~65 중량% 및 극소량의 첨가제들로 이루어져 있다.Artificial marble, which is currently widely used in Korea, is manufactured by mixing an aluminum compound with a flame-retardant effect with an acrylic resin whose main ingredient is methyl methacrylate (hereinafter referred to as 'MMA'), and its composition is about 30% MMA. It consists of ~45% by weight, about 45~65% by weight of inorganic filler, and very small amounts of additives.
상기 구성성분 중 무기 충진제인 알루미늄 화합물은 인조대리석의 강도와 내마모도 증진 및 발색에도 좋은 특성을 갖고 있으므로 국내에서 생산되는 인조대리석 제품에는 거의 대부분 수산화알루미늄을 무기 충진제로 사용하고 있다.Among the above components, aluminum compounds, which are inorganic fillers, have good properties for improving the strength and wear resistance of artificial marble and for color development, so aluminum hydroxide is used as an inorganic filler in most artificial marble products produced domestically.
그리나, 상기와 같은 구성성분을 갖는 인조 대리석은 제조 후 필요한 크기로 가공하여 싱크대나 기타물품의 상판으로 사용하게 되는데 가공과정에서 다량의 스크랩 및 분진이 부산물로 발생하는 문제가 있다.However, artificial marble having the above components is processed to the required size after manufacturing and used as a top for a sink or other article, but there is a problem in that a large amount of scrap and dust are generated as by-products during the processing process.
상기와 같은 부산물인 스크랩과 분진은 다른 제품화에 사용할 수 없어 거의 대부분이 단순 매립하거나 또는 소각에 의해 폐기 처분하고 있지만 매립비용의 확보와 매립 후 지반이 불안정할 뿐만 아니라 이차적으로 토양오염을 유발되고, 소각할 경우에는 유해 가스나 악취의 발생 및 이산화탄소의 발생으로 대기 환경의 오염을 유발하는 문제점이 존재한다.The above by-products such as scrap and dust cannot be used for other products, so most of them are simply landfilled or disposed of by incineration. However, not only are the landfill costs secured and the ground unstable after landfill, but they also cause secondary soil pollution. When incinerated, there is a problem of causing pollution of the atmospheric environment due to the generation of harmful gases or odors and carbon dioxide.
상기한 바와 같은 문제점을 해결하기 위한 다양한 방법들이 연구되고 있으며, 최근 건축물 실내 장식이 고급화되면서 부엌 싱크대, 욕조, 세면대 및 문지방 등의 성형물은 종래 단색 위주에서 아름답고 고급스러운 무늬를 갖는 다색으로 바뀌고 있는 추세에 따라, 인조 대리석의 다양한 용도, 다양한 패턴 및 기능을 갖는 인조 대리석이 개발되고 있다.Various methods are being studied to solve the above-mentioned problems, and as interior decoration of buildings has recently become more sophisticated, the moldings of kitchen sinks, bathtubs, washbasins, and thresholds are changing from the traditional monochromatic color to multicolored with beautiful and luxurious patterns. Accordingly, artificial marble with various uses, various patterns, and functions is being developed.
따라서, 다양한 용도에 맞도록 그 물성을 향상시키기 위한 여러 방안들이 논의되고 있는 실정이다.Accordingly, various ways to improve the physical properties to suit various uses are being discussed.
본 발명의 목적은 조개 껍데기를 포함하는 인조 대리석 조성물을 제공하는 것으로, 조개 껍데기를 이용하여, 조개 껍데기 특유의 독특한 빛깔과 고유한 색깔로 천연 대리석과 유사한 무늬와 질감을 나타내는 인조 대리석을 제공할 수 있다.The purpose of the present invention is to provide an artificial marble composition containing seashells. By using seashells, artificial marble can be provided that shows patterns and textures similar to natural marble with the unique color and unique color of the seashells. there is.
본 발명의 다른 목적은 폐기되고 있는 패각의 껍데기를 재활용하는 것으로, 친환경적이며, 인체에도 친화적인 인조 대리석을 제공할 수 있다.Another object of the present invention is to recycle discarded shells, which can provide artificial marble that is environmentally friendly and friendly to the human body.
본 발명의 일 실시예에 따른 인조 대리석 조성물은 조개 껍데기를 포함하며, 상기 조개 껍데기는 베이스 수지에 첨가되는 것으로, 경화제, 산화 방지제, 무기 충진제 및 UV 코팅제를 포함하는 것이다.The artificial marble composition according to an embodiment of the present invention includes a seashell, which is added to the base resin and includes a hardener, an antioxidant, an inorganic filler, and a UV coating agent.
상기 조개 껍데기는 조개류, 소라류, 굴류, 전복류, 홍합류 및 이들의 혼합으로 이루어진 패각으로부터 선택된다.The shell is selected from shells consisting of clams, conches, oysters, abalone, mussels, and mixtures thereof.
상기 베이스 수지는 아크릴 수지, 불포화 폴리에스테르 수지, 에폭시 수지 및 멜라민 수지로 이루어진 군으로부터 선택된다.The base resin is selected from the group consisting of acrylic resin, unsaturated polyester resin, epoxy resin, and melamine resin.
상기 UV 코팅제는 우레탄 아크릴레이트 올리고머, 반응성 모노머, 광개시제 및 첨가제를 포함하는 것으로, 상기 첨가제는 천연 추출물을 포함하는 것이다.The UV coating agent includes a urethane acrylate oligomer, a reactive monomer, a photoinitiator, and an additive, and the additive includes a natural extract.
상기 천연 추출물은 덜꿩나무(Viburnum erosum Thunb.) 추출물, 털큰앵초(Primula PJsoana var. pubescens) 추출물, 각시개서실(Chondria dasyphylla) 추출물 및 이들의 혼합으로 이루어진 군으로부터 선택된다.The natural extract is selected from the group consisting of Viburnum erosum Thunb. extract, Primula PJsoana var. pubescens extract, Chondria dasyphylla extract, and mixtures thereof.
본 발명의 다른 일 실시예에 따른 인조 대리석은 상기 인조 대리석 조성물을 포함하여 제조된 것이다.Artificial marble according to another embodiment of the present invention is manufactured including the artificial marble composition.
본 발명의 다른 일 실시예에 따른 건축용 내외장재는 상기 인조 대리석 조성물을 포함하여 제조된 것이다.An interior and exterior material for construction according to another embodiment of the present invention is manufactured including the artificial marble composition.
이하, 본 발명을 더욱 상세하게 설명한다.Hereinafter, the present invention will be described in more detail.
본 명세서에서 사용되는 용어 '추출물'은 상술한 바와 같이 당업계에서 조추출물(crude extract)로 통용되는 의미를 갖지만, 광의적으로는 추출물을 추가적으로 분획(fractionation)한 분획물도 포함한다. 즉, 본 발명의 추출물은 상술한 추출용매를 이용하여 얻은 것뿐만 아니라, 여기에 정제과정을 추가적으로 적용하여 얻은 것도 포함한다.The term 'extract' used in this specification has the meaning commonly used in the art as a crude extract, as described above, but in a broad sense also includes fractions obtained by additional fractionation of the extract. That is, the extract of the present invention includes not only those obtained using the above-described extraction solvent, but also those obtained by additionally applying a purification process.
예컨대, 상기 추출물을 일정한 분자량 컷-오프 값을 갖는 한 외 여과막을 통과시켜 얻은 분획, 다양한 크로마토그래피(크기, 전하, 소수성 또는 친화성에 따른 분리를 위해 제작된 것)에 의한 분리 등, 추가적으로 실시된 다양한 정제 방법을 통해 얻어진 분획도 본 발명의 추출물에 포함되는 것이다.For example, fractions obtained by passing the extract through an ultrafiltration membrane with a certain molecular weight cut-off value, separation by various chromatographs (designed for separation according to size, charge, hydrophobicity, or affinity), etc. Fractions obtained through various purification methods are also included in the extract of the present invention.
본 발명의 일 실시예에 따른 인조 대리석 조성물은 조개 껍데기를 포함하며, 상기 조개 껍데기는 베이스 수지에 첨가되는 것으로, 경화제, 경화 촉진제, 산화 방지제, 무기 충진제 및 UV 코팅제를 포함하는 것이다.The artificial marble composition according to an embodiment of the present invention includes a seashell, which is added to the base resin and includes a hardener, a hardening accelerator, an antioxidant, an inorganic filler, and a UV coating agent.
상기 조개 껍데기는 조개류, 소라류, 굴류, 전복류, 홍합류 및 이들의 혼합으로 이루어진 패각으로부터 선택된다.The shell is selected from shells consisting of clams, conches, oysters, abalone, mussels, and mixtures thereof.
상기 패각은 고순도 탄산칼슘분자로 이루어진 아주 작은 벽돌이 무수히 쌓인 것으로, 벽돌과 벽돌 사이에는 특별한 단백질 성분이 들어가 마치 시멘트처럼 서로를 단단하게 결합시키고 있는 구조로 되어 있다.The shell is made up of countless tiny bricks made of high-purity calcium carbonate molecules, and has a structure where a special protein component is placed between the bricks to tightly bind them together like cement.
이러한 패각을 세척과 소성, 분쇄의 과정을 거치면 미세 기공이 일정한 편이며, 해안 여러 곳에 대량으로 집합되어 있기 때문에 이를 자원화 하면 현무암, 화강암 등의 암석에서 볼 수 없는 다기능을 지니고 있는 훌륭한 무기질 재료로 태어난다.When these shells go through the process of washing, firing, and grinding, the microscopic pores are relatively constant. Since they are collected in large quantities in various places along the coast, when these shells are recycled, they are created as excellent inorganic materials with multi-functions that cannot be found in rocks such as basalt and granite. .
또한, 서남해안을 비롯하여 우리나라 해양을 오염시키는 패각은 대부분 폐기, 매립되고 있는데, 그 패각을 정제 가공하여 재활용 범위의 확대 및 고부가가치형 제품으로서 그 용도를 개발하고, 용도별 특성에 맞는 환경 친화적 제품의 품질 개발로 폐자원의 재활용면과 환경보전 측면을 고려하여 환경보호이념을 실현시키고 제품 단가는 기존보다 낮아짐으로써 시장 경쟁성을 확보할 수 있다.In addition, most of the shells that pollute our country's oceans, including the southwestern coast, are discarded or landfilled. The shells are refined and processed to expand the scope of recycling and develop their use as high value-added products, and to create environmentally friendly products suited to the characteristics of each use. Through quality development, the philosophy of environmental protection can be realized by considering the recycling of waste resources and environmental conservation aspects, and the product price can be lowered than before, thereby securing market competitiveness.
상기 패각은 그의 외부 표피인 갑피층과 진주층 및 내부 물질인 능주층을 미분형, 판상, 또는 무정형 등 다양한 입자 크기로 분쇄하여 사용하는 것이 바람직하며, 상기 분쇄 이전에 이물질과 염분을 제거하기 위하여 수세한 후, 건조하는 단계를 실시하는 것이 좋다.The shell is preferably used by pulverizing its outer skin, the carapace layer, the nacre layer, and the inner material, the rhizome layer, into various particle sizes such as fine powder, plate shape, or amorphous, and washing with water to remove foreign substances and salts before grinding. After this, it is recommended to carry out a drying step.
더욱 구체적으로, 상기 패각은 선별된 패각을 구형 구슬과 혼합하여 다공성 망에 넣는 단계; 상기 다공성 망의 주위에 다수 설치된 분사구로부터 담수를 일정한 수압으로 분사하여 일정 시간 세척하는 단계; 및 상기 세척된 혼합물로부터 패각을 분리하여 80 내지 250℃의 온도로 간접 열처리하는 단계;로 이루어진 제조방법을 통해서 가공된 후, 분쇄되는 것이 바람직하다.More specifically, the shell preparation process includes mixing the selected shells with spherical beads and placing them into a porous network; cleaning the porous network for a certain period of time by spraying fresh water at a constant pressure from a plurality of injection nozzles installed around the porous network; and separating the shells from the washed mixture and indirectly heat-treating them at a temperature of 80 to 250° C. It is preferable that the shells are pulverized after being processed through a manufacturing method consisting of the following.
상기 선별된 패각을 구형 구슬과 혼합하여 다공성 망에 넣는 단계에서 사용되는 구형 구슬은 패각의 압축 수 분사에 의한 세척시 세척이 보다 원활히 이루어지도록 하기 위한 것으로 구슬과 패각의 충돌 및 마찰에 의하여 패각의 세척이 더욱 잘 이루어질 수 있게 한다.The spherical beads used in the step of mixing the selected shells with spherical beads and inserting them into the porous net are intended to ensure smoother cleaning when washing the shells by spraying compressed water, and are used to clean the shells more smoothly due to collision and friction between the beads and the shells. Allows for better cleaning.
상기 구슬은 세척되는 패각보다 경도가 높은 재질의 구슬로서 공지된 다양한 재질의 구슬이면 기능하며, 바람직하게는 경도 및 구입의 용이성 측면에서 세라믹 볼 및 철합금 볼이 이용되는 것이 바람직하다.The beads are made of a material with a higher hardness than the shell being cleaned, and can be made of various known materials. Preferably, ceramic balls and iron alloy balls are used in terms of hardness and ease of purchase.
또한, 상기 구슬은 반드시 구형이어야 하는 것은 아니며, 필요에 따라 사면체, 육면체, 십이면체 및 이십면체 등 다양한 형상으로 이루어질 수 있고, 바람직하게는 구슬의 내구성을 고려하여 첨단이 존재하지 않는 것이 좋다.In addition, the bead does not necessarily have to be spherical, and may be made of various shapes such as a tetrahedron, hexahedron, dodecahedron, and icosahedron, if necessary, and preferably has no tip in consideration of the durability of the bead.
상기 구슬의 크기는 다양한 크기의 구슬을 사용할 수 있으며, 단일 크기의 구슬을 사용할 수도 있고, 다양한 크기의 구슬을 혼합하여 사용할 수도 있으며, 특히 세척의 용이성 측면에서 세라믹을 사용하는 것이 바람직하다.The beads can be of various sizes. A single size of beads can be used, or a mixture of beads of various sizes can be used. In particular, it is preferable to use ceramic in terms of ease of cleaning.
상기 세라믹은 분자 수준의 입자로 흡착성능이 우수하여 흡착제나 촉매 용도로 많이 이용되며, 단백질 및 환경오염물질 등과 같이 분자량이 큰 고분자 물질의 흡착제나, 특정 기체 분리대, 각종 촉매 등의 폭 넓은 용도로 활용되고 있다.The ceramic is a particle at the molecular level and has excellent adsorption performance, so it is widely used as an adsorbent or catalyst. It is used for a wide range of purposes, such as an adsorbent for high molecular weight substances such as proteins and environmental pollutants, a specific gas separation zone, and various catalysts. It is being utilized.
본 발명의 인조 대리석 조성물은 상기 조개 껍데기를 포함하여, 인조 대리석에 독특한 빛깔을 부여하여 천연 대리석과 유사한 무늬와 질감을 갖도록 하고, 동시에 항균 및 항곰팡이성, 살균성 및 탈취성을 향상시키는 작용을 할 수 있다.The artificial marble composition of the present invention includes the seashell, which gives the artificial marble a unique color to have a pattern and texture similar to natural marble, and at the same time acts to improve antibacterial and anti-fungal properties, sterilizing properties, and deodorizing properties. You can.
상기 조개 껍데기는 고유의 성분인 원적외선방사, 항균기능, 포름알데히드 중화, 수맥차단 등의 기능을 가지고 있을 뿐만 아니라, 일반 화재에 연소되지 않으므로 안전성이 우수하고, 조개 껍데기 자체로서 독특한 빛깔을 나타내고, 포함되는 진주층이 미려한 빛 반사 효과를 보이기 때문에, 인조 대리석 조성물에 포함되어 인조 대리석을 제조하는 경우 탁월한 심미감을 부여할 수 있다.The clam shell not only has functions such as far-infrared radiation, antibacterial function, formaldehyde neutralization, and water vein blocking, which are unique ingredients, but is also excellent in safety because it does not burn in a general fire, and has a unique color as the clam shell itself, and contains Because the nacre layer exhibits a beautiful light reflection effect, it can be included in an artificial marble composition to provide excellent aesthetics when manufacturing artificial marble.
구체적으로, 본 발명의 조개 껍데기는 평균 입경이 20 내지 30 메쉬(mesh)인 것을 특징으로 한다.Specifically, the clam shell of the present invention is characterized by an average particle diameter of 20 to 30 mesh.
상기 평균 입경이 20 메쉬(mesh) 미만일 경우, 조개 껍데기에 의한 독특한 빛깔 및 빛 반사 효과 등이 떨어질 우려가 있으며, 평균 입경 30 메쉬 이상일 경우, 본 발명의 인조 대리석 조성물과의 조화가 이루어지지 않아 이질적인 외관 효과를 부여할 수 있다. If the average particle size is less than 20 mesh, there is a risk that the unique color and light reflection effect of the shell may be reduced, and if the average particle size is more than 30 mesh, it is not in harmony with the artificial marble composition of the present invention, resulting in heterogeneous appearance. Appearance effects can be given.
본 발명의 인조 대리석 조성물은 베이스 수지에 상기 조개 껍데기를 포함시키는 것으로, 상기 베이스 수지는 아크릴 수지, 불포화 폴리에스테르 수지, 에폭시 수지 및 멜라민 수지로 이루어진 군으로부터 선택된다.The artificial marble composition of the present invention includes the seashell in a base resin, and the base resin is selected from the group consisting of acrylic resin, unsaturated polyester resin, epoxy resin, and melamine resin.
상기 베이스 수지의 종류에 따라, 본 발명의 인조 대리석 조성물은 아크릴계 인조 대리석, 폴리에스테르계 인조 대리석, 에폭시계 인조 대리석 및 멜라민계 인조 대리석이 제조될 수 있으며, 이 분야에서 공지된 각종의 인조 대리석의 제조를 위해 사용되는 베이스 수지를 제한 없이 사용할 수 있다.Depending on the type of the base resin, the artificial marble composition of the present invention can be manufactured into acrylic artificial marble, polyester artificial marble, epoxy-based artificial marble, and melamine-based artificial marble, and various types of artificial marble known in the field. The base resin used for manufacturing can be used without limitation.
상기 아크릴 수지의 구체적인 종류는 특별히 한정하지 않으나, 메틸 (메타)아크릴레이트, 에틸(메타)아크릴레이트, 부틸 (메타)아크릴레이트, 2-에틸헥실 (메타)아크릴레이트, 벤질 (메타)아크릴레이트 및 글리시딜 (메타)아크릴레이트로 이루어진 군으로부터 선택된 하나 이상의 단량체를 포함할 수 있다.The specific type of the acrylic resin is not particularly limited, but includes methyl (meth)acrylate, ethyl (meth)acrylate, butyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, benzyl (meth)acrylate, and It may contain one or more monomers selected from the group consisting of glycidyl (meth)acrylate.
상기 불포화 폴리에스테르의 종류 역시 특별히 제한하지 않으나, α, β-불포화 이염기산 또는 상기 이염기산 및 포화 이염기산의 혼합물과 다가 알코올의 축합 반응을 통해 제조되는 것으로서, 산가가 5 내지 40이고, 분자량이 1,000 내지 5,000인 폴리에스테르 수지를 사용할 수 있다.The type of the unsaturated polyester is also not particularly limited, but is manufactured through a condensation reaction of an α, β-unsaturated dibasic acid or a mixture of the dibasic acid and a saturated dibasic acid with a polyhydric alcohol, and has an acid value of 5 to 40 and a molecular weight. A polyester resin having a weight of 1,000 to 5,000 can be used.
이 때 상기 폴리에스테르 수지를 제조하는 방법은 특별히 한정되지 않으며, 예를 들면, 상기 이염기산 등을 다가 알코올과 특정 비율로 혼합한 후, 상기를 불활성 가스 기류 하 특정 온도에서 축합 반응시키면서 생성수를 제거하고 반응 진행 정도에 따라서 온도를 서서히 상승시키는 방법으로 제조할 수 있다. At this time, the method of producing the polyester resin is not particularly limited. For example, the dibasic acid, etc., is mixed with the polyhydric alcohol in a specific ratio, and then the product is condensed at a specific temperature under an inert gas stream to produce water. It can be manufactured by removing it and gradually increasing the temperature depending on the progress of the reaction.
상기에서 사용되는 α, β-불포화 이염기산 또는 포화 이염기산의 예로는 무수 말레산(maleic anhydride), 시트라콘산(citraconic acid), 푸마르산(fumaric acid), 이타콘산(itaconic acid), 프탈산(phthalic acid), 무수프탈산, 이소프탈산, 테레프탈산(terephthalic acid), 호박산(succinic acid), 아디프산(aipic acid), 세바스산(sebacic acid) 및/또는 테트라히드로프탈산 등을 들 수 있고, 다가 알코올의 예로는 에틸렌 글리콜, 디에틸렌 글리콜, 트리에틸렌 글리콜, 프로필렌 글리콜, 디프로필렌 글리콜, 트리프로필렌 글리콜, 폴리프로필렌 글리콜, 1,3-부틸렌 글리콜, 수소화 비스페놀 A, 트리메틸롤 프로판 모노아릴 에테르, 네오펜틸 글리콜, 2,2,4-트리메틸-1,3-펜탄디올 및/또는 글리세린 등을 들 수 있다.Examples of α, β-unsaturated dibasic acids or saturated dibasic acids used above include maleic anhydride, citraconic acid, fumaric acid, itaconic acid, and phthalic acid. acid, phthalic anhydride, isophthalic acid, terephthalic acid, succinic acid, aipic acid, sebacic acid, and/or tetrahydrophthalic acid, and polyhydric alcohols. Examples include ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, polypropylene glycol, 1,3-butylene glycol, hydrogenated bisphenol A, trimethylol propane monoaryl ether, neopentyl glycol. , 2,2,4-trimethyl-1,3-pentanediol and/or glycerin, etc.
상기 폴리에스테르 수지는 아크릴산, 프로피온산(propionic acid), 안식향산(benzoic acid) 등의 일염기산 또는 트리멜리트산(trimellitic acid), 벤졸의 테트라카본산 등의 다염기산 등을 추가로 포함할 수 있다.The polyester resin may further contain a monobasic acid such as acrylic acid, propionic acid, or benzoic acid, or a polybasic acid such as trimellitic acid or tetracarboxylic acid of benzol.
상기 에폭시 수지의 종류 역시 특별히 한정하지 않으나, 이관능 또는 다관능성 에폭시 수지를 사용할 수 있다. 상기 에폭시 수지의 예로는, 비스페놀 A형 에폭시 수지, 비스페놀 S형 에폭시 수지, 테트라페닐 에탄 에폭시 수지 및 페놀 노볼락형 에폭시 수지를 들 수 있고, 상기 중 일종 또는 이종 이상의 혼합을 사용할 수 있다.The type of the epoxy resin is not particularly limited, but a bi- or multi-functional epoxy resin may be used. Examples of the epoxy resin include bisphenol A-type epoxy resin, bisphenol S-type epoxy resin, tetraphenyl ethane epoxy resin, and phenol novolak-type epoxy resin, and one or a mixture of two or more of the above can be used.
상기 불포화 에스테르 수지 및 에폭시 수지는 투명하고 비중이 적으면서도 강도가 크고, 인조 대리석의 내열성, 내수성 및 내약품성을 향상시키며, 전기특성 특히 내아크성을 향상시키는 작용을 한다.The unsaturated ester resin and epoxy resin are transparent, have low specific gravity, but have high strength, improve heat resistance, water resistance, and chemical resistance of artificial marble, and improve electrical properties, especially arc resistance.
바람직하게 본 발명의 인조 대리석 조성물은 상기 베이스 수지 100 중량부에 대하여, 조개 껍데기 60 내지 80 중량부를 포함하는 것이다.Preferably, the artificial marble composition of the present invention contains 60 to 80 parts by weight of seashells based on 100 parts by weight of the base resin.
상기 베이스 수지 100 중량부에 대하여, 조개 껍데기 60 중량부 이하로 포함시키는 경우에는 결합력이 미약하게 되고, 조개 껍데기 80 중량부를 초과하는 경우에는 강도, 물성, 기능성 등 전반적인 기능이 저하되는 문제가 발생하게 된다.If less than 60 parts by weight of clam shells are included per 100 parts by weight of the base resin, the bonding force becomes weak, and if the amount of clam shells exceeds 80 parts by weight, overall functions such as strength, physical properties, and functionality are deteriorated. do.
본 발명의 인조 대리석 조성물은 경화제를 포함하여 인조 대리석 제조 공정에서 수지 조성물의 중합 및 경화 반응을 촉진시키는 역할을 한다.The artificial marble composition of the present invention contains a curing agent and serves to promote polymerization and curing reactions of the resin composition in the artificial marble manufacturing process.
상기 경화제는 디아실 퍼옥사이드, 히드로 퍼옥사이드, t-부틸퍼옥시 말레인산, t-부틸 히드로퍼옥사이드, t-부틸히드로퍼옥시 부틸레이트, 아세틸 퍼옥사이드, 라우로일 퍼옥사이드, 아조비스 이소부티로니트릴, 아조비스 디메틸발레로 니트릴, t-부틸퍼옥시 네오데카노에이트 및 t-아밀퍼옥시-2-에틸 헥사노에이트로 이루어진 군으로부터 선택된다.The curing agent is diacyl peroxide, hydroperoxide, t-butyl peroxy maleic acid, t-butyl hydroperoxide, t-butyl hydroperoxy butyrate, acetyl peroxide, lauroyl peroxide, azobis isobutyrate. nitrile, azobis dimethylvalero nitrile, t-butylperoxy neodecanoate and t-amylperoxy-2-ethyl hexanoate.
바람직하게 본 발명의 인조 대리석 조성물은 베이스 수지 100 중량부에 대하여, 조개 껍데기 60 내지 80 중량부를 포함하며, 상기 경화제 20 내지 30 중량부를 포함한다.Preferably, the artificial marble composition of the present invention contains 60 to 80 parts by weight of seashells and 20 to 30 parts by weight of the curing agent, based on 100 parts by weight of the base resin.
상기 범위에 의하는 경화제를 포함하는 경우, 인조 대리석의 제조 공정 시 경화속도가 느려지거나 지연되는 것을 방지할 수 있으며, 충분한 경화가 일어나지 않을 우려가 없으며, 부분적인 미경화가 발생하지 않는다.When the hardener within the above range is included, the curing speed can be prevented from being slowed or delayed during the manufacturing process of artificial marble, there is no concern that sufficient hardening will not occur, and partial non-curing does not occur.
본 발명의 인조 대리석 조성물은 산화 방지제를 포함하며, 상기 산화 방지제는 페놀계 산화 방지제인 것이다.The artificial marble composition of the present invention contains an antioxidant, and the antioxidant is a phenol-based antioxidant.
상기 산화 방지제는 성능 및 외관적인 측면에서 폐놀계 산화 방지제인 것으로, 2,6-디-터트-부틸-4-메틸페놀 (2,6-di-tert-butyl-4-methylphenol (BHT)), 티오디에틸렌 비스[2-(3,5-디-터트-부틸-4-하이드록시페닐)프로피오네이트] (thiodiethylene bis[2-(3,5-ditert-butyl-4-hydroxyphenyl)propionate]), 옥타데실-3-(3,5-디-터트-부틸-4-하이드록시페닐)프로피오네이트(octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate) 및 테트라키스[메틸렌-3-(3,5-디-터트-부틸-4-하이드록시페닐)프로피오네이트]메탄으로 구성되는 군으로부터 선택되는 하나 이상일 수 있다.The antioxidant is a phenol-based antioxidant in terms of performance and appearance, including 2,6-di-tert-butyl-4-methylphenol (BHT), thiodiethylene bis[2-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate] , octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate (octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate) and tetra It may be one or more selected from the group consisting of kiss[methylene-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]methane.
상기 산화 방지제는 본 발명의 인조 대리석 조성물의 중합 속도를 저하시킴으로써 점도의 급상승을 억제하여 경화 속도를 조절할 수 있다.The antioxidant can control the curing rate by suppressing a rapid increase in viscosity by lowering the polymerization rate of the artificial marble composition of the present invention.
바람직하게 본 발명의 인조 대리석 조성물은 베이스 수지 100 중량부에 대하여, 조개 껍데기 60 내지 80 중량부, 경화제 20 내지 30 중량부 및 산화 방지제 10 내지 20 중량부를 포함한다.Preferably, the artificial marble composition of the present invention includes 60 to 80 parts by weight of seashell, 20 to 30 parts by weight of hardener, and 10 to 20 parts by weight of antioxidant based on 100 parts by weight of base resin.
상기 산화 방지제를 인조 대리석 조성물에 포함하지 않는 경우, 인조 대리석 조성물의 점도가 너무 높아지게 되어 인조 대리석 원료 조성물이 흐르지 못하는 상태가 되며, 베이스 수지 100 중량부에 대해, 20 중량부를 초과하는 경우, 인조 대리석 조성물의 점도는 안정되지만, 중합 반응 속도가 너무 낮아져 경화 공정 시간 내에 경화가 충분히 일어나지 못하게 되므로, 분자량이 낮고, 기계적 물성 및 열적 물성이 기준치 이하로 저하된 인조 대리석이 만들어질 수 있다.If the antioxidant is not included in the artificial marble composition, the viscosity of the artificial marble composition becomes so high that the artificial marble raw material composition cannot flow, and if it exceeds 20 parts by weight based on 100 parts by weight of the base resin, the artificial marble composition Although the viscosity of the composition is stable, the polymerization reaction rate is so low that curing does not occur sufficiently within the curing process time, so artificial marble with low molecular weight and mechanical and thermal properties lower than standard values can be produced.
본 발명의 인조 대리석 조성물은 무기 충진제를 포함하며, 상기 무기 충진제는 탄산칼슘, 알루민산 칼슘, 실리카, 규조토, 수산화 알루미늄, 수산화 마그네슘 및 이들의 혼합으로 이루어진 군으로부터 선택되나, 바람직하게 규조토를 포함하는 것이다.The artificial marble composition of the present invention includes an inorganic filler, and the inorganic filler is selected from the group consisting of calcium carbonate, calcium aluminate, silica, diatomaceous earth, aluminum hydroxide, magnesium hydroxide, and mixtures thereof, but preferably includes diatomaceous earth. will be.
상기 무기 충진제를 본 발명의 인조 대리석 조성물에 포함할 경우, 경화 시 얼룩이 발생하지 않으며, 인조 대리석의 무늬 및 색상이 우수하고, 균열을 방지하여 대리석 강도를 높일 수 있다.When the inorganic filler is included in the artificial marble composition of the present invention, stains do not occur during curing, the pattern and color of the artificial marble are excellent, and the strength of the marble can be increased by preventing cracks.
바람직하게 본 발명의 인조 대리석 조성물은 베이스 수지 100 중량부에 대해, 조개 껍데기 60 내지 80 중량부, 경화제 20 내지 30 중량부, 산화 방지제 10 내지 20 중량부 및 무기 충진제 10 내지 20 중량부를 포함한다.Preferably, the artificial marble composition of the present invention includes 60 to 80 parts by weight of seashell, 20 to 30 parts by weight of hardener, 10 to 20 parts by weight of antioxidant, and 10 to 20 parts by weight of inorganic filler, based on 100 parts by weight of base resin.
상기 UV 코팅제는 우레탄 아크릴레이트 올리고머, 반응성 모노머, 광개시제 및 첨가제를 포함하는 것으로, 상기 첨가제는 천연 추출물을 포함한다.The UV coating agent includes a urethane acrylate oligomer, a reactive monomer, a photoinitiator, and an additive, and the additive includes a natural extract.
상기 우레탄 아크릴레이트 올리고머는 이소시아네이트 성분으로 헥사메틸렌 디이소시아네이트, 톨루엔 디이소시아네이트, 이소포론 디 이소시아네이트 화합물, 폴리올 성분으로 폴리에스테르 폴리올, 폴리에테르 폴리올 혹은 카프로락톤 폴리올 화합물, 하이드록시 함유 아크릴레이트 성분으로 α-하이드록시 에틸(메타) 아크릴레이트 및 α-하이드록시 프로필(메타) 아크릴레이트 화합물을 포함한다.The urethane acrylate oligomer includes hexamethylene diisocyanate, toluene diisocyanate, and isophorone diisocyanate compounds as the isocyanate component, polyester polyol, polyether polyol, or caprolactone polyol compound as the polyol component, and α-hyde as the hydroxy-containing acrylate component. Includes oxy ethyl (meth) acrylate and α-hydroxy propyl (meth) acrylate compounds.
상기 반응성 모노머는 본 발명의 인조 대리석 조성물의 습윤성을 높이기 위해 상대적으로 점도가 낮은 모노머를 사용하는 것으로, TMPTA(트리메틸올 프로판 트리아크릴레이트)를 포함한다.The reactive monomer is a monomer with a relatively low viscosity to increase the wettability of the artificial marble composition of the present invention, and includes TMPTA (trimethylol propane triacrylate).
상기 광개시제는 아세트페논, 벤조인 또는 벤질케탈 화합물로 된 250 내지 600 nm 파장범위의 자외선을 흡수하여 라디칼을 발생하는 물질이다. 본 발명에서 광개시제로는 벤조인에테르, 벤질케탈, 디알콕시아세토페논, 또는 하이드록시알킬페논 계열이 사용될 수 있으며, 예를들면 벤질디메틸케탈, 디에톡시아세토페논, 2-하이드록시-2-메틸-1-페닐프로판-1-온, 아실포스파인 옥사이드, 1-하이드록시 사이클로헥실 페닐케톤 또는 아미노알킬페논 등이 사용될 수 있으나 이들로 제한되는 것은 아니다.The photoinitiator is a substance made of acetphenone, benzoin, or benzyl ketal compound that generates radicals by absorbing ultraviolet rays in the wavelength range of 250 to 600 nm. In the present invention, benzoin ether, benzyl ketal, dialkoxyacetophenone, or hydroxyalkylphenone series may be used as the photoinitiator, for example, benzyldimethylketal, diethoxyacetophenone, 2-hydroxy-2-methyl- 1-phenylpropan-1-one, acylphosphine oxide, 1-hydroxy cyclohexyl phenylketone, or aminoalkylphenone may be used, but are not limited to these.
본 발명의 인조 대리석 조성물에는 상기 외에도 발명의 효과에 영향을 미치지 않는 범위에서 소포제; 유기 또는 무기 안료나 염료; 자외선 흡수제; 인계 또는 무기 금속계 난연제; 스테아린산계 또는 실리콘계 이형제; 카테콜계 또는 하이드로퀴논류의 중합억제제; 및 페놀계, 아민계, 퀴논계, 유황계 또는 인계 산화 방지제로 이루어진 군으로부터 선택된 하나 이상의 첨가제가 적절히 첨가될 수 있다.In addition to the above, the artificial marble composition of the present invention includes an antifoaming agent to the extent that it does not affect the effect of the present invention. Organic or inorganic pigments or dyes; ultraviolet absorber; Phosphorus-based or inorganic metal-based flame retardants; stearic acid-based or silicone-based mold release agent; Catechol or hydroquinone polymerization inhibitors; And one or more additives selected from the group consisting of phenol-based, amine-based, quinone-based, sulfur-based or phosphorus-based antioxidants may be appropriately added.
상기 천연 추출물은 덜꿩나무(Viburnum erosum Thunb.) 추출물, 털큰앵초(Primula PJsoana var. pubescens) 추출물, 각시개서실(Chondria dasyphylla) 추출물 및 이들의 혼합으로 이루어진 군으로부터 선택된다.The natural extract is selected from the group consisting of Viburnum erosum Thunb. extract, Primula PJsoana var. pubescens extract, Chondria dasyphylla extract, and mixtures thereof.
상기 덜꿩나무(Viburnum erosum Thunb.)는 인동과 덜꿩나무속에 속하는 낙엽 활엽 관목으로, 경기도 이남의 낮은 산지에서 흔하게 볼 수 있는 나무이다. 인동과의 키작은 나무로 높이는 2 내지 3m이다. 봄철의 하얀색 꽃과 가을철의 붉은 열매가 아름다워 공원수로 많이 식재된다. 잎은 타원형으로 마주보기로 달리는 것이 특징이다. 앞, 뒷면에 털이 소복하게 나 있어 만지면 부드러운 느낌을 준다. 줄기는 여러 개로 갈라져 포기를 이루어 자라는 것이 특징이며, 꽃은 4 내지 5월에 새로 나온 가지 끝에 하얀색 양성화가 동그란 모양을 만들며 모여 핀다. 팥처럼 생긴 조그만 열매는 9 내지 10월에 붉게 익는데 새들의 좋은 먹이가 된다. 햇볕이 적당히 드는 숲에서 자라며, 보습성과 배수성이 좋은 토양을 좋아한다. 추위를 견디는 내한성이 매우 강하고 양지와 음지에서 모두 잘 자라며, 건조 환경에서도 잘 자라는 특성을 갖는다. 한편, 덜꿩나무라는 이름은 꿩과 관련이 있는 것으로 보이며. 구체적으로, 들에 있는 꿩들이 좋아하는 열매를 달고 있다는 뜻으로 들꿩나무로 불리다가 덜꿩나무가 된 것으로 추정된다. 어린 잎은 나물로 먹을 수 있고, 늙은 잎과 줄기는 한방에서 구내염이나 가려움증의 약재로 사용하는 것이 특징이다.The Viburnum erosum Thunb. is a deciduous broad-leaved shrub belonging to the genus of L. vulgaris and is commonly found in low mountain areas south of Gyeonggi-do. It is a short tree of the honeysuckle family, reaching a height of 2 to 3 m. Its white flowers in spring and red fruits in fall are beautiful, so it is often planted as a park tree. The leaves are oval in shape and grow opposite to each other. The fur on the front and back is thick, giving it a soft feel when touched. The stem is characterized by splitting into several pieces and growing in bundles, and the flowers bloom in April to May with white bisexual flowers forming a round shape at the ends of new branches. The small red bean-like fruits ripen red in September or October and are good food for birds. It grows in forests with moderate sunlight and likes soil with good moisture retention and drainage. It has very strong cold resistance, grows well in both sunny and shaded areas, and has the characteristic of growing well even in dry environments. Meanwhile, the name Lesser Pheasant Tree appears to be related to pheasants. Specifically, it is presumed that it was called a wild pheasant tree, meaning that it has fruits that pheasants in the field like, and then became a lesser pheasant tree. The young leaves can be eaten as a vegetable, and the old leaves and stems are used as a medicine for stomatitis or itching in oriental medicine.
상기 털큰앵초(Primula PJsoana var. pubescens)는 쌍떡잎식물 합판화군 앵초목 앵초과의 여러해살이로, 큰앵초에 비하여 잎자루와 꽃줄기에 긴 털이 많으며, 원줄기는 없이 뿌리줄기가 옆으로 뻗는다. 꽃은 통꽃으로 지름 1.5~2.5cm의 붉은 자주색 꽃이 7~8월에 핀다. 열매는 길이 7~12mm의 긴 타원형의 삭과(果)를 맺는다. 한국, 일본, 중국 등지에 분포한다.The hairy primrose (Primula PJsoana var. pubescens) is a perennial of the primrose family of the primrose family of dicotyledonous plants. Compared to the primrose, it has more long hairs on the petioles and flower stems, and has a rhizome extending sideways without a main stem. The flowers are whole, reddish purple flowers with a diameter of 1.5 to 2.5 cm that bloom in July to August. The fruit produces long oval capsules measuring 7 to 12 mm in length. Distributed in Korea, Japan, China, etc.
상기 각시개서실(Chondria dasyphylla)은 홍조식물 비단풀목 빨간검둥이과의 해초로, 간조선(干潮線) 부근의 바위 위에 자란다. 높이 10∼20cm, 아랫부분 지름 1∼1.5mm이다. 원기둥 모양이며 차츰 위쪽으로 가늘어진다. 3∼6회 겹깃꼴로 갈라져서 피라미드 모양이 된다. 몸의 아랫부분에 나는 가지는 약간 뭉쳐서 나며 기는가지와 같아서 새싹이 나오기도 한다. 가지는 매우 넓게 펼쳐지고 수평으로 나기도 한다. 4분포자낭(四分胞子囊)은 작은가지 꼭대기 아래 또는 가운데보다 조금 위쪽에 모여서 생긴다. 낭과(囊果)는 작은가지의 옆면에 1개 또는 2∼3개가 모여서 생기는데, 달걀 모양이고 자루가 없다. 빛깔은 자줏빛을 띤 갈색이거나 노란색이다.The Chondria dasyphylla is a seaweed of the red algae family, the order of the order of Red Sea, and grows on rocks near the low tide line. It is 10 to 20 cm high and 1 to 1.5 mm in diameter at the bottom. It is cylindrical in shape and gradually tapers upward. It splits 3 to 6 times into double pinnate shapes, forming a pyramid shape. The branches that grow in the lower part of the body grow in little clusters and are like creeping branches, with sprouts sometimes forming. The branches spread out very widely and sometimes grow horizontally. Tetrasporangia are produced in clusters below the top of a twig or slightly above the center. Cystocarp (囊果) occurs in groups of one or two or three on the side of a small branch, and is egg-shaped and has no stalk. The color is purplish brown or yellow.
상기 천연 추출물은 물, C1 내지 C6의 저급 알코올 및 이들의 혼합물로 이루어진 군으로부터 선택된 추출 용매를 이용하여 추출되는 것이다.The natural extract is extracted using an extraction solvent selected from the group consisting of water, C 1 to C 6 lower alcohols, and mixtures thereof.
구체적으로, 천연 추출물을 제조하기 위해서는 천연물을 세척하는 단계; 세척 후 건조시키는 단계; 건조 후 천연물을 분쇄하는 단계; 추출 용매를 사용하여 상기 분쇄물을 침출시키는 단계; 시료를 침출 후 건조시키는 단계; 물을 이용하여 침출시키는 단계; 및 침출하는 단계를 포함하여, 천연 추출물을 획득할 수 있다.Specifically, to produce a natural extract, there are steps of washing the natural product; Drying after washing; Grinding the natural product after drying; Leaching the pulverized material using an extraction solvent; Leaching and drying the sample; Leaching using water; And including the step of leaching, a natural extract can be obtained.
상기 추출 용매를 사용하여 추출한 추출물은 유기 용매를 사용하여 분획을 실시하는 단계를 더 포함할 수 있으며, 상기 추출물을 제조하는 방법은 초음파 추출법, 침출법 및 환류 추출법 등 당업계의 통상적인 추출 방법일 수 있다. The extract extracted using the extraction solvent may further include the step of performing fractionation using an organic solvent, and the method of preparing the extract may be a conventional extraction method in the art, such as ultrasonic extraction, leaching, and reflux extraction. You can.
구체적으로 세척 및 건조로 이물질이 제거된 천연 추출물을 물, 탄소수 1 내지 6의 알코올 또는 이들의 혼합 용매로 추출한 추출물일 수 있으며, 상기 용매들을 순차적으로 시료에 적용하여 추출한 추출물일 수 있다.Specifically, it may be an extract obtained by extracting a natural extract from which foreign substances have been removed by washing and drying with water, alcohol having 1 to 6 carbon atoms, or a mixed solvent thereof, and may be an extract obtained by sequentially applying the solvents to the sample.
상기 환류 추출법은 물, 탄소수 1 내지 6의 알코올 100 mL기준으로, 천연물의 분쇄물 10 내지 30g, 환류 시간 1 내지 3시간 및 50 내지 100%의 탄소수 1 내지 6의 알코올 또는 물에 의한다. 보다 구체적으로, 탄소수 1 내지 6의 알코올 100 mL 또는 물 100 mL 기준으로, 천연물의 분쇄물 10 내지 20g, 환류 시간 1 내지 2시간 및 70 내지 90%의 탄소수 1 내지 4의 알코올 또는 물에 의한 것이다.The reflux extraction method is based on 100 mL of water and alcohol with 1 to 6 carbon atoms, 10 to 30 g of pulverized natural product, reflux time of 1 to 3 hours, and 50 to 100% of alcohol or water with 1 to 6 carbon atoms. More specifically, based on 100 mL of alcohol with 1 to 6 carbon atoms or 100 mL of water, 10 to 20 g of pulverized natural product, reflux time of 1 to 2 hours, and 70 to 90% of alcohol or water with 1 to 4 carbon atoms. .
상기 침출법은 15 내지 30℃, 24 내지 72시간 동안 진행하며, 추출 용매로 물 또는 50 내지 100%의 탄소수 1 내지 6의 알코올을 이용한다. 보다 구체적으로는 20 내지 25℃, 30 내지 54시간 동안 진행하며, 추출 용매는 물 또는 70 내지 80%의 탄소수 1 내지 6의 알코올에 의한 것이다.The leaching method is carried out at 15 to 30°C for 24 to 72 hours, and water or 50 to 100% alcohol with 1 to 6 carbon atoms is used as the extraction solvent. More specifically, the extraction is performed at 20 to 25°C for 30 to 54 hours, and the extraction solvent is water or 70 to 80% alcohol with 1 to 6 carbon atoms.
상기 추출 용매는 시료의 중량 기준으로 2 내지 50배를 사용할 수 있으며, 보다 구체적으로는 2 내지 20배이다. 추출을 위해 시료는 추출 용매에서 추출을 위해 1 내지 72시간 동안 방치될 수 있으며, 보다 구체적으로 24 내지 48시간 동안 방치될 수 있다.The extraction solvent can be used in an amount of 2 to 50 times, more specifically, 2 to 20 times the weight of the sample. For extraction, the sample may be left in the extraction solvent for 1 to 72 hours, more specifically, 24 to 48 hours.
추출 후, 추출물은 새로운 분획 용매를 순차적으로 적용하여 분획할 수 있다. 분획 시 사용하는 분획 용매는 상기 용매는 물, 헥산, 부탄올, 에틸아세트산, 에틸 아세테이트, 메틸렌클로라이드 및 이들의 혼합물로 이루어진 군으로부터 선택된 어느 하나 이상이며, 바람직하게는 에틸아세테이트 또는 메틸렌클로라이드이다. 추출물 또는 분획물을 얻은 후에는 농축 또는 동결건조 등의 방법을 추가적으로 사용할 수 있다.After extraction, the extract can be fractionated by sequentially applying a new fractionation solvent. The fractionating solvent used during fractionation is at least one selected from the group consisting of water, hexane, butanol, ethyl acetic acid, ethyl acetate, methylene chloride, and mixtures thereof, and is preferably ethyl acetate or methylene chloride. After obtaining the extract or fraction, additional methods such as concentration or freeze-drying can be used.
본 발명의 UV 코팅제는 우레탄 아크릴레이트 올리고머 100 중량부에 대해서, 반응성 모노머 100 중량부, 광개시제 5 내지 10 중량부, 덜꿩나무 추출물 10 내지 20 중량부, 털큰앵초 추출물 10 내지 20 중량부 및 각시개서실 10 내지 20 중량부를 포함하는 것이다.The UV coating agent of the present invention contains, based on 100 parts by weight of urethane acrylate oligomer, 100 parts by weight of reactive monomer, 5 to 10 parts by weight of photoinitiator, 10 to 20 parts by weight of Lesser Chrysanthemum extract, 10 to 20 parts by weight of primrose extract, and 10 to 20 parts by weight of primrose extract. It contains 10 to 20 parts by weight.
상기 범위에 의하는 경우, 인조 대리석에 내마모성, 내오염성 및 고광택을 제공할 수 있으며, 다양한 오염 물질들에 의해 쉽게 오염되지 않아 스크래치에 내성이 강한 건축용 내장재 또는 내구재 등으로 적용될 수 있다.If within the above range, wear resistance, contamination resistance, and high gloss can be provided to artificial marble, and it is not easily contaminated by various contaminants, so it can be applied as an architectural interior material or durable material that is highly resistant to scratches.
본 발명의 다른 일 실시예에 따른 인조 대리석은 상기 인조 대리석 조성물을 포함하여 제조된 것이다.Artificial marble according to another embodiment of the present invention is manufactured including the artificial marble composition.
본 발명의 다른 일 실시예에 따른 건축용 내외장재는 상기 인조 대리석 조성물을 포함하여 제조된 것이다.An interior and exterior material for construction according to another embodiment of the present invention is manufactured including the artificial marble composition.
본 발명의 조개 껍데기를 포함하는 인조 대리석 조성물은 조개 껍데기를 이용하여, 조개 껍데기 특유의 독특한 빛깔과 고유한 색깔로 천연 대리석과 유사한 무늬와 질감을 나타낼 수 있으며, 폐기되고 있는 패각의 껍데기를 재활용하는 것으로, 친환경적이며 인체에도 친화적인 인조 대리석을 제공할 수 있다.The artificial marble composition containing the seashell of the present invention can show patterns and textures similar to natural marble with the unique color and unique color of the seashell by using the seashell, and can be used to recycle discarded shells. As a result, it is possible to provide artificial marble that is environmentally friendly and friendly to the human body.
이하, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자가 용이하게 실시할 수 있도록 본 발명의 실시예에 대하여 상세히 설명한다. 그러나 본 발명은 여러 가지 상이한 형태로 구현될 수 있으며 여기에서 설명하는 실시예에 한정되지 않는다.Hereinafter, embodiments of the present invention will be described in detail so that those skilled in the art can easily implement it. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein.
[제조예 1: UV 코팅제의 제조][Preparation Example 1: Preparation of UV coating agent]
1. 천연 추출물의 제조1. Preparation of natural extract
덜꿩나무를 수득한 후, 이를 세척하고, 건조시킨 후, 분쇄하여 분쇄물로 제조하고, 동결 건조하였다. 동결 건조된 덜꿩나무 3g을 15ml 튜브(tube)에 1mg을 넣고, 70% 에탄올(ethanol)을 10ml를 다시 넣었다.After obtaining the lesser pheasant tree, it was washed, dried, pulverized to prepare pulverized material, and freeze-dried. 1 mg of 3 g of freeze-dried pheasant tree was placed in a 15 ml tube, and 10 ml of 70% ethanol was added again.
시료를 rounded mixed machine에서 18 시간 동안 넣고 혼합 및 추출하였다. 추출 후 3000rpm, 10분 원심분리 후 상층액만 채취하였다. 이렇게 채취된 상층액에 포함된 에탄올(ethanol)을 40 ℃에서 증발하였다. 그리고 남은 시료는 동결 건조하여 덜꿩나무 추출물(VE)을 제조하였다.Samples were mixed and extracted in a rounded mixing machine for 18 hours. After extraction, centrifugation at 3000 rpm for 10 minutes was performed, and only the supernatant was collected. Ethanol contained in the supernatant collected in this way was evaporated at 40°C. Then, the remaining sample was freeze-dried to prepare pheasant tree extract (VE).
상기 덜꿩나무 추출물(VE)의 제조방법과 동일한 방법을 이용하여, 털큰앵초 추출물(RE) 및 각시개서길 추출물(SE)를 제조하였다.Using the same method as the preparation method of the Lesser Pheasant tree extract (VE), the hairy primrose extract (RE) and Gaksiseogil extract (SE) were prepared.
2. UV 코팅제의 제조 2. Preparation of UV coating agent
상기 제조된 덜꿩나무 추출물(VE), 털큰앵초 추출물(RE) 및 각시개서길 추출물(SE)를 에폭시 아크릴레이트(Ebecryl 9636, SK ucb사), 트리메틸올 프로판 트리아크릴레이트(TMPTA) 및 광개시제로서 Irgacure 184C(Hydroxy cyclohexyl phenyl ketone, Ciba geigy사)를 하기 표 1과 같은 중량 범위 내로 혼합하여 UV 코팅제를 제조하였다.The prepared pheasant tree extract (VE), primrose extract (RE), and Prickly primrose extract (SE) were mixed with epoxy acrylate (Ebecryl 9636, SK ucb), trimethylol propane triacrylate (TMPTA), and Irgacure as a photoinitiator. A UV coating agent was prepared by mixing 184C (Hydroxy cyclohexyl phenyl ketone, Ciba Geigy) within the weight range shown in Table 1 below.
(단위: 중량부)(Unit: parts by weight)
[제조예 2: 인조 대리석 조성물의 제조][Preparation Example 2: Preparation of artificial marble composition]
조개 껍데기를 분쇄기를 사용하여 30 메쉬 크기로 분쇄하였으며. 상기 제조예 1에서 제조된 UV 코팅제, 에폭시 수지, 디아실 퍼옥사이드, 폐놀계 산화 방지제 및 규조토를 하기 표 1과 같은 중량 범위 내로 혼합하여 인조 대리석 조성물을 제조하였다.The clam shells were ground to a 30 mesh size using a grinder. An artificial marble composition was prepared by mixing the UV coating agent, epoxy resin, diacyl peroxide, phenolic antioxidant, and diatomaceous earth prepared in Preparation Example 1 within the weight range shown in Table 1 below.
(단위: 중량부)(Unit: parts by weight)
[실시예 1: 본 발명의 인조 대리석 조성물의 항균 효과][Example 1: Antibacterial effect of artificial marble composition of the present invention]
상기 제조예 2에서 제조된 인조 대리석 조성물 AM1 내지 AM6을 250 내지 600 nm 범위의 UV 램프를 조사하여 경화시킨 후 인조 대리석 AM'1 내지 AM'6을 제조하였다.The artificial marble compositions AM1 to AM6 prepared in Preparation Example 2 were cured by irradiating a UV lamp in the range of 250 to 600 nm, and then artificial marble AM'1 to AM'6 were manufactured.
이후 항균성 테스트를 위해, 본 발명의 인조 대리석 AM'1 내지 AM'6를 각각 두께 2mm, 가로 5cm, 세로 5cm로 절단하여 사용하였다. 그리고 황생포도상구균과 대장균을 균주로 하여 JIS Z 2801 : 2010, 필름밀착법에 준하여 항균성 테스트를 진행하고, 그 결과를 하기 표 3에 나타내었다.For the subsequent antibacterial test, the artificial marble AM'1 to AM'6 of the present invention was cut into pieces of 2 mm thick, 5 cm wide, and 5 cm long, respectively. Then, an antibacterial test was performed using Staphylococcus aureus and Escherichia coli as strains according to JIS Z 2801: 2010, film adhesion method, and the results are shown in Table 3 below.
6538PStaphylococcus aureus ATCC
6538P
ATCC 8739Escherichia coil
ATCC 8739
(단위: %)(unit: %)
상기 표 3에서 확인할 수 있는 바와 같이, 본 발명에 의한 UV 코팅제를 포함하여 제조된 인조 대리석 AM'2 내지 AM'6은 UV 코팅제를 포함하지 않고 제조된 인조 대리석 AM'1에 비하여, 황색포도상구균 및 대장균에 대해 우수한 항균 활성을 보임을 확인할 수 있었다.As can be seen in Table 3, the artificial marble AM'2 to AM'6 manufactured including the UV coating agent according to the present invention has a higher concentration of Staphylococcus aureus compared to the artificial marble AM'1 manufactured without the UV coating agent. It was confirmed that it showed excellent antibacterial activity against E. coli and E. coli.
특히, 덜꿩나무 추출물(VE), 털큰앵초 추출물(RE) 및 각시개서길 추출물(SE)를 더 포함하여 UV2 내지 UV4 범위에 의하는 UV 코팅제를 포함하는 경우에 90% 이상의 항균성을 나타내는 것을 확인하였다.In particular, it was confirmed that more than 90% of antibacterial activity was observed when a UV coating agent in the UV2 to UV4 range was added, including pheasant tree extract (VE), primrose extract (RE), and primrose extract (SE). .
[실시예 2: 인조 대리석의 물성 평가][Example 2: Evaluation of physical properties of artificial marble]
1. 광택도 측정1. Gloss measurement
상기 제조예 2에서 제조된 인조 대리석 조성물 AM1 내지 AM6을 250 내지 600 nm 범위의 UV 램프를 조사하여 경화시킨 후 인조 대리석 AM'1 내지 AM'6을 제조하였다.The artificial marble compositions AM1 to AM6 prepared in Preparation Example 2 were cured by irradiating a UV lamp in the range of 250 to 600 nm, and then artificial marble AM'1 to AM'6 were manufactured.
상기 인조 대리석 AM'1 내지 AM'6 표면에 대해, KS M ISO 2813 : 2007 실험 방법을 이용하여, 광택도를 측정하였다.For the surfaces of the artificial marble AM'1 to AM'6, glossiness was measured using the KS M ISO 2813:2007 test method.
그 결과를 하기 표 4에 나타내었다.The results are shown in Table 4 below.
높을수록 기호도가 높은 것이다.The higher it is, the higher the preference.
(단위: GU)(Unit: GU)
상기 표 4에 나타난 바와 같이, 본 발명의 UV 코팅제를 포함하지 않는 인조 대리석 조성물 AM1로 제조된 인조 대리석(AM'1)의 경우에 광택도가 매우 낮았으나, 본 발명의 UV 코팅제를 포함하는 인조 대리석 조성물 AM2 내지 AM6으로 제조된 인조 대리석(AM'2 내지 AM'6)은 표면 광택도가 높은 것으로 확인하였다.As shown in Table 4, the glossiness of the artificial marble (AM'1) made from the artificial marble composition AM1 not containing the UV coating agent of the present invention was very low, but the glossiness of the artificial marble containing the UV coating agent of the present invention was very low. Artificial marble (AM'2 to AM'6) manufactured from marble compositions AM2 to AM6 was confirmed to have high surface gloss.
특히, 천연 추출물을 포함하고 있는 UV 코팅제로 코팅되는 인조 대리석 AM'3 내지 AM'5의 경우에 우수한 표면 광택도로 외관이 미려한 것으로 확인하였다.In particular, in the case of artificial marble AM'3 to AM'5 coated with a UV coating containing natural extracts, it was confirmed that the appearance was beautiful with excellent surface gloss.
2. 물성 측정2. Physical property measurement
상기 표면 광택도 실험에서 제조된 인조 대리석 AM'1 내지 AM'6에 대하여, 경도 및 내오염성을 시험하였다.The artificial marble AM'1 to AM'6 manufactured in the surface gloss test was tested for hardness and stain resistance.
경도의 경우, 연필경도 2H(KS M ISO 15184 : 2007)를 기준으로 경도를 1 내지 10의 지수로 나타내었으며, 내오염성의 경우, 커피, 우유, 아세트산, 10% 암모니아수, 간장, 김치국물, 콜라 및 케첩을 이용하여, 오염 변화를 육안으로 관찰한 후 변화 있음, 약간의 얼룩, 변화 없음으로 나타낸 것이다.In the case of hardness, hardness is expressed as an index of 1 to 10 based on pencil hardness 2H (KS M ISO 15184: 2007), and in the case of contamination resistance, coffee, milk, acetic acid, 10% ammonia water, soy sauce, kimchi broth, cola and ketchup, changes in contamination were observed with the naked eye and indicated as change, slight stain, or no change.
그 결과를 하기 표 5에 나타내었다. The results are shown in Table 5 below.
(단위: 지수)(Unit: index)
상기 표 5에 나타난 바와 같이, 본 발명의 UV 코팅제를 포함하지 않는 인조 대리석 조성물 AM1로 제조된 인조 대리석(AM'1)의 경우에 경도가 매우 낮았으며, 오염 물질에 대한 변화가 나타나는 것을 확인하였다.As shown in Table 5, in the case of artificial marble (AM'1) manufactured with the artificial marble composition AM1 that does not contain the UV coating agent of the present invention, the hardness was very low, and changes in response to contaminants were confirmed. .
본 발명의 UV 코팅제를 포함하는 인조 대리석 조성물 AM2 내지 AM6으로 제조된 인조 대리석(AM'2 내지 AM'6)은 표면 광택도가 높은 것으로 확인하였다.Artificial marble (AM'2 to AM'6) manufactured from artificial marble compositions AM2 to AM6 containing the UV coating agent of the present invention was confirmed to have high surface gloss.
특히, 천연 추출물을 포함하고 있는 UV 코팅제로 코팅되는 인조 대리석 AM'3 내지 AM'5의 경우에 우수한 표면 광택도로 외관이 미려한 것으로 확인하였다.In particular, in the case of artificial marble AM'3 to AM'5 coated with a UV coating containing natural extracts, it was confirmed that the appearance was beautiful with excellent surface gloss.
이상에서 본 발명의 바람직한 실시예에 대하여 상세하게 설명하였지만 본 발명의 권리범위는 이에 한정되는 것은 아니고 다음의 청구범위에서 정의하고 있는 본 발명의 기본 개념을 이용한 당업자의 여러 변형 및 개량 형태 또한 본 발명의 권리범위에 속하는 것이다.Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements made by those skilled in the art using the basic concept of the present invention defined in the following claims are also possible. falls within the scope of rights.
Claims (7)
상기 조개 껍데기는 베이스 수지에 첨가되는 것으로,
경화제, 산화 방지제, 무기 충진제 및 UV 코팅제를 포함하며,
상기 UV 코팅제는 에폭시 아크릴레이트, 반응성 모노머, 광개시제 및 첨가제를 포함하는 것으로,
상기 첨가제는 덜꿩나무(Viburnum erosum Thunb.) 추출물, 털큰앵초(Primula PJsoana var. pubescens) 추출물 및 각시개서실(Chondria dasyphylla) 추출물을 포함하는
인조 대리석 조성물. Contains clam shells,
The clam shell is added to the base resin,
Contains hardeners, antioxidants, inorganic fillers and UV coating agents,
The UV coating agent includes epoxy acrylate, reactive monomer, photoinitiator, and additives,
The additive includes Viburnum erosum Thunb. extract, Primula PJsoana var. pubescens extract, and Chondria dasyphylla extract.
Artificial marble composition.
상기 조개 껍데기는 조개류, 소라류, 굴류, 전복류, 홍합류 및 이들의 혼합으로 이루어진 패각으로부터 선택되는
인조 대리석 조성물. According to paragraph 1,
The shell is selected from shells consisting of clams, conches, oysters, abalone, mussels, and mixtures thereof.
Artificial marble composition.
상기 베이스 수지는 아크릴 수지, 불포화 폴리에스테르 수지, 에폭시 수지 및 멜라민 수지로 이루어진 군으로부터 선택되는
인조 대리석 조성물. According to paragraph 1,
The base resin is selected from the group consisting of acrylic resin, unsaturated polyester resin, epoxy resin, and melamine resin.
Artificial marble composition.
인조 대리석.Comprising the artificial marble composition according to any one of claims 1 to 3.
Artificial marble.
건축용 내외장재.
Comprising the artificial marble composition according to any one of claims 1 to 3.
Interior and exterior materials for construction.
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| KR101204218B1 (en) * | 2009-12-30 | 2012-11-27 | 주식회사 포스코 | Surface treatment method of substrate using hydroxyl group substituted urushiol from Toxicodendron vernicifluum |
| KR102029922B1 (en) | 2018-03-05 | 2019-11-08 | 주식회사 삼양사 | Antimicrobial composition and antifungal composition comprising a compound having anhydrosugar alcohol core and alkylene oxide extender and formulation comprising the same |
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