KR20230134266A - Ceramic coating agent composite having excellent durability - Google Patents
Ceramic coating agent composite having excellent durability Download PDFInfo
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- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
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Abstract
본 발명은 내구성이 향상된 세라믹 코팅제 조성물에 관한 것으로, 보다 구체적으로는, 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지를 세라믹 코팅제에 적용함으로써, 난스틱 및 취반 내구성 뿐만 아니라 특히 고온·고압 조건에서의 우수한 도막 내구성을 가질 수 있도록 하는, 내구성이 향상된 세라믹 코팅제 조성물에 관한 것이다.The present invention relates to a ceramic coating composition with improved durability, and more specifically, by applying a silicone resin grafted with polymethylsilsesquioxane to the ceramic coating, not only does it provide non-stick and cooking durability, but especially under high temperature and high pressure conditions. It relates to a ceramic coating composition with improved durability that enables excellent coating film durability.
Description
본 발명은 난스틱 및 취반 내구성 뿐만 아니라 특히 고온·고압 조건에서의 우수한 도막 내구성을 가질 수 있도록 하는, 내구성이 향상된 세라믹 코팅제 조성물에 관한 것이다.The present invention relates to a ceramic coating composition with improved durability, which not only has non-stick and cooking durability, but also has excellent coating film durability, especially under high temperature and high pressure conditions.
일반적으로, 주거생활에 밀접하게 사용되는 냄비, 프라이팬, 밥솥, 전자렌지, 고기구이판 등과 같은 각종 조리용품이나, 히터, 선풍기, 냉장고, 다리미 등과 같은 생활용품, 그리고 건축자재, 건강보조기구, 산업용품 등은 기능성을 향상시키기 위한 방안으로 다양한 코팅제를 개발하여 사용되고 있다. In general, various cooking utensils such as pots, frying pans, rice cookers, microwave ovens, meat grills, etc., which are closely used in residential life, household goods such as heaters, fans, refrigerators, irons, etc., as well as construction materials, health aids, and industrial products. Various coating agents have been developed and used as a way to improve functionality.
특히, 조리용품이나 생활용품의 경우에는 내산성, 내마모성, 내구성, 내열성, 내식성 등이 주로 요구되고 있으며, 이를 위해 세라믹 코팅제가 널리 사용되고 있다.In particular, in the case of cooking or household goods, acid resistance, wear resistance, durability, heat resistance, corrosion resistance, etc. are mainly required, and for this purpose, ceramic coating agents are widely used.
관련 선행기술로써 특허문헌 1에서는 바인더로서 사용되는 실란, 산화규소 및 물이 혼합된 규소혼합물에 기능성 충진제, 세라믹 파우더, 안료를 첨가하여 제조된 무기질 세라믹 코팅제 조성물이 제안되어 있으나, 이와 같은 무기질 세라믹 코팅제 조성물을 이용하여 가열조리기구 등에 코팅층을 형성시킬 경우 코팅층의 결합력 향상을 위해서는 소성온도가 높아야 하고, 그리고 바인더로서 사용되는 규소혼합물이 산화규소와 물로 이루어지는 친수성의 특성으로 인해 내구성이 저하되는 문제점이 있다.As related prior art, Patent Document 1 proposes an inorganic ceramic coating composition prepared by adding functional fillers, ceramic powder, and pigments to a silicon mixture of silane, silicon oxide, and water used as a binder. However, such inorganic ceramic coating composition When forming a coating layer on a heating cooker, etc. using the composition, the sintering temperature must be high to improve the bonding strength of the coating layer, and the silicon mixture used as a binder has a problem of reduced durability due to the hydrophilic characteristics of silicon oxide and water. .
그리고 특허문헌 2에서는 무기질 용매, 기능성 첨가제, 실리콘계 오일 중합제, 안료 등으로 이루어진 비점착성 및 청소 용이성 기능이 강화된 무기질 세라믹 코팅제 조성물을 이용하여 주방용품, 가전제품 등에 코팅층을 형성시키는 기술을 제안하고 있으나, 이와 같은 무기질 세라믹 코팅제 조성물을 이용하여 주방용품, 가전제품 등에 코팅층을 형성할 경우 코팅층의 결합력이 떨어져 소결 밀도가 저하되므로 장기간 사용시 코팅층이 균열 등으로 인해 박리되는 문제점이 있다.In addition, Patent Document 2 proposes a technology for forming a coating layer on kitchen appliances, home appliances, etc. using an inorganic ceramic coating composition with enhanced non-adhesiveness and ease of cleaning consisting of inorganic solvents, functional additives, silicone oil polymerizers, pigments, etc. However, when using such an inorganic ceramic coating composition to form a coating layer on kitchen appliances, home appliances, etc., the bonding strength of the coating layer decreases and the sintering density decreases, so there is a problem in that the coating layer peels off due to cracks or the like during long-term use.
본 발명은 상술한 문제점을 해결하기 위한 것으로, 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지를 세라믹 코팅제에 적용함으로써, 난스틱 및 취반 내구성 뿐만 아니라 특히 고온·고압 조건에서의 우수한 도막 내구성을 가질 수 있도록 함을 과제로 한다.The present invention is intended to solve the above-mentioned problems, and by applying a silicone resin grafted with polymethylsilsesquioxane to a ceramic coating, it has not only non-stick and cooking durability, but also excellent coating film durability, especially under high temperature and high pressure conditions. The task is to make it possible.
본 발명은 세라믹 코팅제 조성물에 있어서, 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지(Poly(methylsilsesquioxane) grafted silicone resin)를 포함하는 것을 특징으로 하는, 내구성이 향상된 세라믹 코팅제 조성물을 과제의 해결 수단으로 한다.The present invention provides a ceramic coating composition with improved durability, which is characterized in that the ceramic coating composition includes poly(methylsilsesquioxane) grafted silicone resin, as a means of solving the problem. do.
여기서, 상기 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지는, 실란(silane) 100 중량부에 대하여, 반응성 실록산(reactive siloxane) 5 ~ 15 중량부 및 촉매 0.5 ~ 2.0 중량부를 혼합한 후, 상기 혼합물 100 중량부에 대하여, 실리카졸(silicasol) 100 ~ 120 중량부를 반응시켜 이루어지는 것이 바람직하다.Here, the silicone resin grafted with polymethylsilsesquioxane is prepared by mixing 5 to 15 parts by weight of reactive siloxane and 0.5 to 2.0 parts by weight of catalyst with respect to 100 parts by weight of silane. It is preferably achieved by reacting 100 to 120 parts by weight of silicasol with respect to 100 parts by weight of the mixture.
보다 구체적으로, 상기 내구성이 향상된 세라믹 코팅제 조성물은 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지 100 중량부에 대하여, 기능성 충진제 7 ~ 12 중량부 및 안료 5 ~ 20 중량부로 이루어지는 것이 바람직하다.More specifically, the ceramic coating composition with improved durability preferably consists of 7 to 12 parts by weight of functional filler and 5 to 20 parts by weight of pigment based on 100 parts by weight of silicone resin grafted with polymethylsilsesquioxane.
한편, 상기 기능성 충진제는 티탄산칼륨(potassium titanate), 알루미나(alumina), 황토, 견운모, 자수정, 생광석, 죽탄, 의왕석, 귀양석, 흑요석, 맥반석, 광명석, 용암, 귀신석 중에서 단독 또는 2종 이상 병용하여 사용하고, 상기 안료는 이산화티탄(Titan Dioxide), 산화철(Iron Oxide), 산화크롬(Chromium Oxide), 기타 유, 무기안료 중에서 단독 또는 2종 이상 병용하여 사용하는 것이 바람직하다.Meanwhile, the functional filler may be used alone or in combination of potassium titanate, alumina, red clay, sericite, amethyst, raw ore, bamboo charcoal, Uiwang stone, Guiyang stone, obsidian, elvan stone, light stone, lava, and ghost stone. More than one type is used in combination, and the above pigments are preferably used alone or in combination of two or more types among titanium dioxide, iron oxide, chromium oxide, and other organic and inorganic pigments.
본 발명은 난스틱 및 취반 내구성 뿐만 아니라 특히 고온·고압 조건에서의 우수한 도막 내구성을 가질 수 있는 효과가 있다.The present invention has the effect of providing not only non-stick and cooking durability, but also excellent coating film durability, especially under high temperature and high pressure conditions.
상기의 효과를 달성하기 위한 본 발명은 내구성이 향상된 세라믹 코팅제 조성물에 관한 것으로서, 본 발명의 기술적 구성을 이해하는데 필요한 부분만이 설명되며 그 이외 부분의 설명은 본 발명의 요지를 흩트리지 않도록 생략될 것이라는 것을 유의하여야 한다.The present invention for achieving the above effects relates to a ceramic coating composition with improved durability. Only the parts necessary to understand the technical configuration of the present invention are described, and the description of other parts will be omitted so as not to confuse the gist of the present invention. It should be noted that
이하, 본 발명에 따른 내구성이 향상된 세라믹 코팅제 조성물을 상세히 설명하면 다음과 같다.Hereinafter, the ceramic coating composition with improved durability according to the present invention will be described in detail as follows.
본 발명은 세라믹 코팅제 조성물에 있어서, 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지(Poly(methylsilsesquioxane) grafted silicone resin)를 포함하는 것을 특징으로 하며, 보다 구체적으로는 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지 100 중량부에 대하여, 기능성 충진제 7 ~ 12 중량부 및 안료 5 ~ 20 중량부로 이루어지는 것을 특징으로 한다.The present invention is characterized in that the ceramic coating composition includes a poly(methylsilsesquioxane) grafted silicone resin, and more specifically, the polymethylsilsesquioxane is grafted. It is characterized in that it consists of 7 to 12 parts by weight of functional filler and 5 to 20 parts by weight of pigment based on 100 parts by weight of the silicone resin.
상기 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지는 코팅제의 내구성 향상을 위해 첨가되는 것으로, 실란(silane) 100 중량부에 대하여, 반응성 실록산(reactive siloxane) 5 ~ 15 중량부 및 촉매 0.5 ~ 2.0 중량부를 혼합한 후, 상기 혼합물 100 중량부에 대하여, 실리카졸(silicasol) 100 ~ 120 중량부를 반응시켜 이루어진다.The silicone resin grafted with polymethylsilsesquioxane is added to improve the durability of the coating agent, and is comprised of 5 to 15 parts by weight of reactive siloxane and 0.5 to 2.0 parts by weight of catalyst per 100 parts by weight of silane. After mixing parts by weight, 100 to 120 parts by weight of silica sol are reacted with respect to 100 parts by weight of the mixture.
즉, 실란의 가수분해를 통해 실라놀기(-OH)가 발생됨을 고려할 때, 상기 실란의 가수분해를 통해 생성된 폴리메틸실세스퀴옥산(Poly(methylsilsesquioxane))과 반응성 실록산(reactive siloxane)의 반응기(-R)가 그라프팅되고 여기에 실리카졸(silicasol)이 반응하여 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지가 제조된다.That is, considering that silanol groups (-OH) are generated through hydrolysis of silane, the reaction group of poly(methylsilsesquioxane) produced through hydrolysis of silane and reactive siloxane (-R) is grafted and silica sol reacts to produce a silicone resin grafted with polymethylsilsesquioxane.
여기서, 상기 실란은 메틸트리메톡시실란(methyltrimethoxysilane), 글리시독시프로필 트리메톡시실란(glycidoxypropyl trimethoxysilane), 트리메틸에톡시실란(trimethylethoxysilane), 에틸트리에톡시실란(ethyltriethoxysilane) 또는 페닐트리에톡시실란(phenyltriethoxysilane) 등의 사용이 가능하고, 상기 촉매는 개미산, 질산, 염산 또는 백금촉매 등의 사용이 가능하지만, 반드시 여기에 한정되는 것은 아니고 이미 공지된 다양한 실란 및 촉매의 적용이 가능하다.Here, the silane is methyltrimethoxysilane, glycidoxypropyl trimethoxysilane, trimethylethoxysilane, ethyltriethoxysilane, or phenyltriethoxysilane ( phenyltriethoxysilane), etc. can be used, and the catalyst can be formic acid, nitric acid, hydrochloric acid, or a platinum catalyst, but is not necessarily limited thereto, and various already known silanes and catalysts can be applied.
한편, 상기 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지를 제조하기 위한 각 물질의 함량이 상기 범위를 벗어날 경우 폴리메틸실세스퀴옥산이 제대로 그라프트 되지 못할 우려가 있다. 아울러 가수분해나 축합반응 방법이나 공정은 이미 공지된 범위로써 특정 방법에 한정하지 않고 이미 공지된 다양한 방법의 적용이 가능하다.Meanwhile, if the content of each material for producing the polymethylsilsesquioxane-grafted silicone resin is outside the above range, there is a risk that the polymethylsilsesquioxane may not be properly grafted. In addition, the hydrolysis or condensation reaction method or process is within an already known range and is not limited to a specific method, and various already known methods can be applied.
상기 기능성 충진제는 도막의 크랙을 방지하고 점도를 조절하여 도막의 물리적 화학적 특성을 개선시키는 역할을 하는 것으로서, 티탄산칼륨(potassium titanate), 알루미나(alumina), 황토, 견운모, 자수정, 생광석, 죽탄, 의왕석, 귀양석, 흑요석, 맥반석, 광명석, 용암, 귀신석 중에서 단독 또는 2종 이상 병용하여 사용가능하다.The functional filler serves to improve the physical and chemical properties of the paint film by preventing cracks in the paint film and controlling the viscosity, and includes potassium titanate, alumina, red clay, sericite, amethyst, raw ore, bamboo charcoal, It can be used alone or in combination of two or more of Uiwang Stone, Guiyang Stone, Obsidian, Elvan Stone, Gwangmyeong Stone, Lava, and Ghost Stone.
한편, 상기 기능성 충진제의 함량이 7 중량부 미만이 될 경우 도막의 광택이나 접착력의 저하가 우려되고, 12 중량부를 초과할 경우 도막의 표면이 거칠게 되는 등 오히려 악영향이 발생할 우려가 있다.On the other hand, if the content of the functional filler is less than 7 parts by weight, there is concern that the gloss or adhesion of the coating film may decrease, and if it exceeds 12 parts by weight, there is a risk of adverse effects such as the surface of the coating film becoming rough.
한편, 기능성 충진제는 입자형태가 침상 또는 판상으로 되어 있어, 결합제 사이에서 도막의 크랙을 방지하거나 코팅제의 점도를 조절해 주는 역할을 하는 것에 장점이 있다.On the other hand, functional fillers have needle-shaped or plate-shaped particles, and have the advantage of preventing cracks in the coating film between binders or controlling the viscosity of the coating agent.
상기 안료는 코팅층의 색상 발현을 위해 첨가되는 것으로서, 이산화티탄(Titan Dioxide), 산화철(Iron Oxide), 산화크롬(Chromium Oxide), 기타 유, 무기안료 중에서 단독 또는 2종 이상 병용할 수 있지만 반드시 여기에 한정되는 것은 아니고 생산자 또는 소비자의 요구에 따라 다양한 색상의 안료 사용이 가능하다. 한편, 상기 안료의 함량이 상기 범위를 벗어날 경우 원하는 색상의 표현(채도, 명도 등)이 제대로 이루어지지 못할 우려가 있다.The pigment is added to express the color of the coating layer, and can be used alone or in combination with two or more of titanium dioxide, iron oxide, chromium oxide, and other organic and inorganic pigments, but must be used here. It is not limited to this, and pigments of various colors can be used depending on the needs of the producer or consumer. On the other hand, if the content of the pigment is outside the above range, there is a risk that the desired color expression (saturation, brightness, etc.) may not be properly achieved.
한편, 상기 각 조성물의 혼합순서 및 공정순서는 특별히 한정하지 않으며 해당 코팅제의 사용대상이나 사용환경 및 사용자 편의에 따라 가변적으로 적용할 수 있다.Meanwhile, the mixing order and process order of each composition are not particularly limited and can be variably applied depending on the target of use of the coating agent, use environment, and user convenience.
이하, 본 발명을 아래 실시예에 의거하여 더욱 상세히 설명하겠는바 본 발명이 실시예에 의해 한정되는 것은 아니다.Hereinafter, the present invention will be described in more detail based on the examples below, but the present invention is not limited by the examples.
1. 세라믹 코팅제 조성물의 제조1. Preparation of ceramic coating composition
(실시예 1)(Example 1)
폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지 100 중량부에 대하여, 기능성 충진제인 티탄산칼륨 7 중량부 및 안료인 이산화티탄 5 중량부를 혼합하고 40℃에서 2시간 30분간 숙성하여 세라믹 코팅제를 제조하였다. 이때, 상기 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지는 메틸트리메톡시실란 100 중량부에 대하여, 반응성 실록산 5 중량부 및 촉매로 염산 0.5 중량부를 혼합한 후, 상기 혼합물 100 중량부에 대하여, 실리카졸 100 중량부를 반응시켜 제조하였다.A ceramic coating agent was prepared by mixing 7 parts by weight of potassium titanate, a functional filler, and 5 parts by weight of titanium dioxide, a pigment, with 100 parts by weight of silicone resin grafted with polymethylsilsesquioxane and aging at 40°C for 2 hours and 30 minutes. . At this time, the silicone resin grafted with polymethylsilsesquioxane is mixed with 5 parts by weight of reactive siloxane and 0.5 parts by weight of hydrochloric acid as a catalyst based on 100 parts by weight of methyltrimethoxysilane, and then mixed with 100 parts by weight of the mixture. , was prepared by reacting 100 parts by weight of silica sol.
(실시예 2)(Example 2)
폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지 100 중량부에 대하여, 기능성 충진제인 알루미나 12 중량부 및 안료인 산화철 20 중량부를 혼합하고 23℃에서 12시간 숙성하여 세라믹 코팅제를 제조하였다. 이때, 상기 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지는 메틸트리메톡시실란 100 중량부에 대하여, 반응성 실록산 15 중량부 및 촉매로 염산 2.0 중량부를 혼합한 후, 상기 혼합물 100 중량부에 대하여, 실리카졸 120 중량부를 반응시켜 제조하였다.A ceramic coating agent was prepared by mixing 12 parts by weight of alumina, a functional filler, and 20 parts by weight of iron oxide, a pigment, with 100 parts by weight of silicone resin grafted with polymethylsilsesquioxane, and aging at 23°C for 12 hours. At this time, the silicone resin grafted with polymethylsilsesquioxane is mixed with 15 parts by weight of reactive siloxane and 2.0 parts by weight of hydrochloric acid as a catalyst based on 100 parts by weight of methyltrimethoxysilane, and then mixed with 100 parts by weight of the mixture. , was prepared by reacting 120 parts by weight of silica sol.
(비교예 1)(Comparative Example 1)
실시예 1과 동일하게 제조하되, 폴리메틸실세스퀴옥산이 그라프트되지 않은 실리콘 수지를 사용하였다.It was prepared in the same manner as in Example 1, but a silicone resin without polymethylsilsesquioxane grafted was used.
(비교예 2)(Comparative Example 2)
실시예 2와 동일하게 제조하되, 폴리메틸실세스퀴옥산이 그라프트되지 않은 실리콘 수지를 사용하였다.It was prepared in the same manner as in Example 2, but a silicone resin without polymethylsilsesquioxane grafted was used.
2. 세라믹 코팅제 조성물의 평가2. Evaluation of ceramic coating composition
상기 실시예 및 비교예에 대한 PCT(고압테스트), 염수비등 난스틱 내구성, 내마모 난스틱 및 취반시험을 진행하였고, 그 시험기준 및 결과는 아래 [표 1]과 같다.PCT (high pressure test), salt water boiling non-stick durability, wear resistance non-stick and cooking tests were conducted on the above examples and comparative examples, and the test standards and results are shown in [Table 1] below.
(합격)Maintain gloss
(pass)
(합격)Maintain gloss
(pass)
(불합격)Decrease in gloss
(fail)
(불합격)Decrease in gloss
(fail)
난스틱 내구성brine boiling
Non-stick durability
상기 [표 1]에서와 같이, 본 발명의 실시예는 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지를 적용함에 따라 비교예에 비하여 난스틱 및 취반 내구성 뿐만 아니라 특히 고온·고압 조건에서의 우수한 도막 내구성을 가질 수 있음을 알 수 있다.As shown in [Table 1], the examples of the present invention apply a silicone resin grafted with polymethylsilsesquioxane, and thus have excellent non-stick and cooking durability, especially under high temperature and high pressure conditions, compared to the comparative examples. It can be seen that the coating film has durability.
상술한 바와 같이, 본 발명에 따른 내구성이 향상된 세라믹 코팅제 조성물의 우수성에 대하여 상기의 실시예를 통해 상세히 설명하였지만 본 발명은 상기의 구성에 의해서만 반드시 한정되는 것은 아니고, 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 본 발명을 다양하게 치환, 변형 및 변경시킬 수 있음을 이해할 수 있을 것이다.As described above, the excellence of the ceramic coating composition with improved durability according to the present invention has been described in detail through the above examples, but the present invention is not necessarily limited to the above configuration and does not depart from the technical spirit of the present invention. It will be understood that various substitutions, modifications, and changes may be made to the present invention within the scope.
Claims (4)
폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지(Poly(methylsilsesquioxane) grafted silicone resin)를 포함하는 것을 특징으로 하는, 내구성이 향상된 세라믹 코팅제 조성물.
In the ceramic coating composition,
A ceramic coating composition with improved durability, comprising a poly(methylsilsesquioxane) grafted silicone resin.
상기 폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지는,
실란(silane) 100 중량부에 대하여, 반응성 실록산(reactive siloxane) 5 ~ 15 중량부 및 촉매 0.5 ~ 2.0 중량부를 혼합한 후,
상기 혼합물 100 중량부에 대하여, 실리카졸(silicasol) 100 ~ 120 중량부를 반응시켜 이루어지는 것을 특징으로 하는, 내구성이 향상된 세라믹 코팅제 조성물.
According to clause 1,
The silicone resin grafted with the polymethylsilsesquioxane is,
After mixing 5 to 15 parts by weight of reactive siloxane and 0.5 to 2.0 parts by weight of catalyst with respect to 100 parts by weight of silane,
A ceramic coating composition with improved durability, characterized in that it is made by reacting 100 to 120 parts by weight of silicasol with respect to 100 parts by weight of the mixture.
상기 내구성이 향상된 세라믹 코팅제 조성물은,
폴리메틸실세스퀴옥산이 그라프트된 실리콘 수지 100 중량부에 대하여, 기능성 충진제 7 ~ 12 중량부 및 안료 5 ~ 20 중량부로 이루어지는 것을 특징으로 하는, 내구성이 향상된 세라믹 코팅제 조성물.
According to clause 1,
The ceramic coating composition with improved durability,
A ceramic coating composition with improved durability, characterized in that it consists of 7 to 12 parts by weight of functional filler and 5 to 20 parts by weight of pigment, based on 100 parts by weight of silicone resin grafted with polymethylsilsesquioxane.
상기 기능성 충진제는 티탄산칼륨(potassium titanate), 알루미나(alumina), 황토, 견운모, 자수정, 생광석, 죽탄, 의왕석, 귀양석, 흑요석, 맥반석, 광명석, 용암, 귀신석 중에서 단독 또는 2종 이상 병용하여 사용하고,
상기 안료는 이산화티탄(Titan Dioxide), 산화철(Iron Oxide), 산화크롬(Chromium Oxide) 중에서 단독 또는 2종 이상 병용하여 사용하는 것을 특징으로 하는, 내구성이 향상된 세라믹 코팅제 조성물.According to clause 1,
The functional filler may be used alone or in combination of two or more of potassium titanate, alumina, red clay, sericite, amethyst, raw ore, bamboo charcoal, Uiwang stone, Guiyang stone, obsidian, elvan stone, light stone, lava, and ghost stone. Use in combination,
A ceramic coating composition with improved durability, characterized in that the pigment is used alone or in combination of two or more of titanium dioxide, iron oxide, and chromium oxide.
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| KR20050072928A (en) | 2004-01-08 | 2005-07-13 | 박주민 | Non-stick and easy cleaning ceramic coating agent |
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