KR20220005715A - Environmentally friendly plastic composition a chopping board having charcoal - Google Patents
Environmentally friendly plastic composition a chopping board having charcoal Download PDFInfo
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- KR20220005715A KR20220005715A KR1020200083230A KR20200083230A KR20220005715A KR 20220005715 A KR20220005715 A KR 20220005715A KR 1020200083230 A KR1020200083230 A KR 1020200083230A KR 20200083230 A KR20200083230 A KR 20200083230A KR 20220005715 A KR20220005715 A KR 20220005715A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J47/00—Kitchen containers, stands or the like, not provided for in other groups of this subclass; Cutting-boards, e.g. for bread
- A47J47/005—Cutting boards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
- C08F299/02—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
- C08F299/06—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyurethanes
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- Polymers & Plastics (AREA)
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Abstract
Description
본 발명은 숯이 함유된 플라스틱 도마에 관한 것으로서, 보다 상세하게는 숯과 열가소성 폴리우레탄(TPU)이 혼합되어 친환경적이면서도 견고한 플라스틱 도마에 관한 발명이다.The present invention relates to a plastic cutting board containing charcoal, and more particularly, to a plastic cutting board in which charcoal and thermoplastic polyurethane (TPU) are mixed so as to be environmentally friendly and strong.
최근 플라스틱류는 가볍고 단단하며 가공성이 용이한 장점으로 인하여 각종 산업용품을 성형하는데 이용되고 있다.Recently, plastics have been used for molding various industrial products due to their advantages of being light, hard, and easy to process.
그러나, 이러한 플라스틱 소재는 간편하게 쓸 수 있고 산업발달에 큰 공헌을 해 온 반면에, 발암물질이나 다 이옥신 등의 환경호르몬을 방출하는 염려는 물론, 냄새, 위생성이 좋지 않은 문제점이 있었다.However, while these plastic materials can be used conveniently and have contributed greatly to industrial development, there are concerns about emitting environmental hormones such as carcinogens and dioxins, as well as poor odor and poor hygiene.
따라서, 최근에는 건강에 대한 관심이 고조되면서 황토, 세라믹, 맥반석 등 첨가물을 소량 부가한 기능성 제 품 등이 제조되기도 한다.Accordingly, in recent years, as interest in health has increased, functional products with small amounts of additives such as loess, ceramics, and elvan are also manufactured.
한편, 도마는 나무 또는 합성수지재 등의 재질로 많이 제조되고 있는데, 이러한 도마는 요리시 칼자국이 발생 하여 음식물로부터 발생하는 수분이 칼자국의 홈에 인입되기도 한다.On the other hand, cutting boards are often manufactured from materials such as wood or synthetic resin, and these cutting boards cause cuts during cooking, so that moisture from food enters the grooves of cuts.
이러한 경우 도마를 끓는 물에 넣어 소독한 후 햇볕에서 장시간 살균을 하여야 하나, 항상 바쁜 일정으로 인 해 비위생적인 상태로 계속 조리를 하게 된다.In this case, the cutting board should be sterilized by putting it in boiling water and then sterilized in the sun for a long time.
따라서, 최근에는 숯분말을 함유시켜 성형을 함으로써 숯에 의한 항균, 살균, 중금속제거 등의 기능을 가지도 록 하는 도마가 제공되고 있으며, 이러한 기술은 대한민국 실용신안등록 제20-0203176호에 개진되어 있다.Therefore, recently, a cutting board has been provided that has the functions of antibacterial, sterilization, heavy metal removal, etc. by charcoal by molding with charcoal powder, and this technology was developed in Korean Utility Model Registration No. 20-0203176 have.
그러나, 상기와 같은 종래 도마는 숯의 기능으로 인해 항균, 살균 등의 효과는 있으나, 여전히 도마에 칼자국 이 형성되고 음식물로부터 발생하는 수분이 부패하여 발생하는 세균까지 제거하여주지는 못하는 문제점이 있 다.However, the conventional cutting board as described above has effects such as antibacterial and sterilization due to the function of charcoal, but there is a problem in that cuts are still formed on the cutting board and the moisture generated from the food is decomposed and cannot remove bacteria generated by it. .
본 발명은 항균, 살균, 탈취 등의 기능을 가지면서도 견고하면서도 탄성과 유연성이 우수하고, 온도에 의해 물성의 영향을 크게 받지 않는 도마를 제공함에 그 해결하려는 과제가 있다.The present invention has a problem to be solved by providing a cutting board that has functions such as antibacterial, sterilization, and deodorization while being strong and having excellent elasticity and flexibility, and is not significantly affected by physical properties by temperature.
또한, 본 발명은 인체에 무해하면서도 사용하고 버려지는 도마가 생분해되어 자연친화적인 도마를 제공하는데 다른 과제가 있다.In addition, the present invention has another problem in providing an eco-friendly cutting board that is harmless to the human body and biodegradable to be used and discarded.
본 발명은 상기와 같은 과제를 해결하기 위해 열가소성 폴리우레탄(TPU) 65 중량부; 숯 분말 25 ~ 35 중량부; 실란트(sealant) 4 ~ 7 중량부; 습윤제, 증점제, 암모니아, 알코올, 목초액의 혼합으로 되는 첨가제 2 ~ 4 중 량부; 규산칼륨(K₂SiO₃)과 규산나트륨(Na₂SiO₃) 혼합물 1 ~ 2 중량부; 알루미나(Al₂O₃) 2 중량부;를 포 함하여 구현 가능하다.The present invention is a thermoplastic polyurethane (TPU) 65 parts by weight to solve the above problems; 25 to 35 parts by weight of charcoal powder; 4 to 7 parts by weight of a sealant; Wetting agent, thickener, ammonia, alcohol, 2 to 4 parts by weight of an additive made of a mixture of wood vinegar; 1 to 2 parts by weight of a mixture of potassium silicate (K₂SiO₃) and sodium silicate (Na₂SiO₃); It can be implemented including; 2 parts by weight of alumina (Al₂O₃).
또한, 본 발명의 다른 실시예에 따르면, 폴리유산(PLA) 65 중량부; 숯 분말 25 ~ 35 중량부; 실란트 (sealant) 4 ~ 7 중량부; 습윤제, 증점제, 암모니아, 알코올, 목초액의 혼합으로 되는 첨가제 2 ~ 4 중량부; 규산칼륨(K₂SiO₃)과 규산나트륨(Na₂SiO₃) 혼합물 1 ~ 2 중량부; 알루미나(Al₂O₃) 2 중량부;를 포함하여 구현 가능하다.In addition, according to another embodiment of the present invention, polylactic acid (PLA) 65 parts by weight; 25 to 35 parts by weight of charcoal powder; 4 to 7 parts by weight of a sealant; Wetting agent, thickener, ammonia, alcohol, 2 to 4 parts by weight of additives made of a mixture of wood vinegar; 1 to 2 parts by weight of a mixture of potassium silicate (K₂SiO₃) and sodium silicate (Na₂SiO₃); It can be implemented including; 2 parts by weight of alumina (Al₂O₃).
또한, 본 발명의 일 실시예에 따르면, 상기 도마 100 중량부에는 산화지르코늄(ZrO₂)과 산화칼슘(CaO)의 혼 합물 2 중량부가 더 혼합되는 것을 특징으로 하는 숯이 함유된 친환경 플라스틱 도마.In addition, according to an embodiment of the present invention, 100 parts by weight of the cutting board is an eco-friendly plastic cutting board containing charcoal, characterized in that 2 parts by weight of a mixture of zirconium oxide (ZrO₂) and calcium oxide (CaO) is further mixed.
또한, 본 발명의 일 실시예에 따르면, 상기 도마 100 중량부에는 폴리유산(PLA) 3 중량부가 더 혼합하여 생분 해성 특징을 가지도록 한다.In addition, according to an embodiment of the present invention, 100 parts by weight of the cutting board is further mixed with 3 parts by weight of polylactic acid (PLA) to have biodegradable characteristics.
또한, 본 발명의 일 실시예에 따르면, 상기 도마 100 중량부에는 PP-MgO 2 ~ 3 중량부, 이산화규소(SiO₂) 2 중량부, 이산화티타늄(TiO₂) 2 중량부가 더 혼합되는 것을 특징으로 한다.In addition, according to an embodiment of the present invention, 2 to 3 parts by weight of PP-MgO, 2 parts by weight of silicon dioxide (SiO₂), and 2 parts by weight of titanium dioxide (TiO₂) are further mixed with 100 parts by weight of the cutting board. .
또한, 본 발명의 일 실시예에 따르면, 상기 도마 100 중량부에는 구아검(Guar gum) 3중량부가 더 혼합되는 것 을 특징으로 한다.In addition, according to an embodiment of the present invention, 100 parts by weight of the cutting board is characterized in that 3 parts by weight of guar gum is further mixed.
또한, 본 발명의 일 실시예에 따르면, 상기 도마 100 중량부에는 폴리비닐알콜(PVA)와 섬유소풀(CMC) 중 어느 하나를 2 중량부 더 혼합하는 것을 특징으로 한다.In addition, according to an embodiment of the present invention, 100 parts by weight of the cutting board is characterized in that any one of polyvinyl alcohol (PVA) and cellulose paste (CMC) is further mixed by 2 parts by weight.
본 발명은 견고하면서도 탄성과 유연성이 우수하고, 온도에 의해 물성의 영향을 크게 받지 않아 다양한 제품 에 적용할 수 있는 장점이 있다.The present invention has the advantage of being robust and having excellent elasticity and flexibility, and being not significantly affected by the physical properties by temperature, so that it can be applied to various products.
또한, 본 발명의 도마는 생분해성 성질을 가지는 친환경적인 장점이 있으며, 항균, 살균, 냄새제거에도 탁월 한 효과가 있다.In addition, the cutting board of the present invention has an eco-friendly advantage of having biodegradable properties, and has excellent effects in antibacterial, sterilizing, and deodorizing.
이하, 본 발명의 가장 바람직한 일 실시예의 구성을 보다 상세히 설명한다.Hereinafter, the configuration of the most preferred embodiment of the present invention will be described in more detail.
본 발명은 탄화된 목재 숯을 350±50 매쉬로 미세하게 분쇄한 후 이를 건조실에서 약 60℃로 4~6시간 동안 건 조하여 수분을 제거한다.The present invention removes moisture by finely pulverizing carbonized wood charcoal into a 350±50 mesh and drying it at about 60° C. for 4 to 6 hours in a drying room.
그리고, 본 발명에 따른 분말 형태의 숯 25 ~ 35 중량부을 준비하고, 실란트(sealant) 4 ~ 7 중량부 및 첨가 제 2 ~ 4 중량부 및 규산칼륨(K₂SiO₃)과 규산나트륨(Na₂SiO₃) 혼합물 1 ~ 2 중량부를 교반기에 넣고 약 40여분간 혼합하여 반죽하여 숯 반죽물을 만든다. 첨가제는 습윤제, 증점제, 암모니아, 알코올, 목초액의 혼합으로 이루어진다.Then, 25 to 35 parts by weight of charcoal in powder form according to the present invention is prepared, 4 to 7 parts by weight of a sealant, 2 to 4 parts by weight of an additive, and a mixture of potassium silicate (K₂SiO₃) and sodium silicate (Na₂SiO₃) 1 ~ Put 2 parts by weight in a stirrer, mix and knead for about 40 minutes to make a charcoal dough. The additive consists of a mixture of wetting agent, thickener, ammonia, alcohol, and wood vinegar.
숯은 주지된 바와 같이, 탄소와 미네랄이 주성분인 다공체로서 생물체의 산화를 막아주어 부패 미생물의 서식 환경을 정화하고, 환원작용에 의해 주변 물질의 신선도를 높여 주는 역할을 한다. 또한, 물을 정수하고, 음이 온을 발생시켜 공기를 정화하며, 냄새의 원인이 되는 양전자를 흡수하여 탈취하며, 독성물질을 제거하는 작용 을 한다.As is well known, charcoal is a porous body composed of carbon and minerals, which prevents oxidation of living things, purifies the habitat of decaying microorganisms, and improves the freshness of surrounding materials by reducing action. In addition, it purifies water, purifies the air by generating negative ions, absorbs positrons that cause odor, deodorizes, and removes toxic substances.
상기와 같이 반죽된 숯 반죽물에 열가소성 폴리우레탄(TPU) 또는 폴리유산(PLA) 65 중량부를 혼합한다.65 parts by weight of thermoplastic polyurethane (TPU) or polylactic acid (PLA) is mixed with the charcoal dough kneaded as described above.
열가소성 폴리우레탄(TPU)은 다른 수지보다 저온특성이 우수하고, 유연성이 풍부하며, 내구성, 내마모성이 양 호하며, 인장강도, 신장율, 내피로성 등의 기계적 성질이 뛰어나며, 내굴곡성, 내한성 및 내유성이 우수하여 광범위한 분야에 사용되고 있다.Thermoplastic polyurethane (TPU) has better low-temperature properties than other resins, is rich in flexibility, has good durability and abrasion resistance, has excellent mechanical properties such as tensile strength, elongation, and fatigue resistance, and has excellent bending resistance, cold resistance and oil resistance. It is excellent and is used in a wide range of fields.
특히, 열가소성 폴리우레탄(TPU)은 상온에서 물성의 큰 변화없이 물속에서 사용이 가능하지만, 대략 80℃ 이 상의 온수에서는 에스테르기가 가수분해되므로, 폴리에스테르계 폴리우레탄은 물성이 크게 변하게 된다. 그러 나 폴리에테르계 폴리우레탄은 온수에서 물성의 변화가 없기 때문에, 빈번하게 온수와 접촉하게 되는 폴리우 레탄 항균 도마의 재료로서 적합하다.In particular, thermoplastic polyurethane (TPU) can be used in water without a significant change in physical properties at room temperature, but in hot water above about 80° C. However, since polyether-based polyurethane does not change its physical properties in hot water, it is suitable as a material for polyurethane antibacterial cutting boards that frequently come into contact with hot water.
따라서, 숯이 함유된 도마에 본 열가소성 폴리우레탄(TPU)이 혼합되어 성형됨으로 인해 탄성이 있으면서도 내 마모성이 우수하고, 칼날에 의해 도마에 홈이 형성되거나 음식재료가 밀려나지 않는 장점이 있다.Therefore, since this thermoplastic polyurethane (TPU) is mixed and molded on a chopping board containing charcoal, it has elasticity and excellent abrasion resistance, and there is an advantage that a groove is not formed on the chopping board by the blade or food materials are not pushed out.
또한, 폴리유산(PLA)은 옥수수에서 추출한 식물성 원료로 생분해성 물질로서, 의료용 봉합사나 식기 등에 많 이 사용하고 있다. 특히 천연소재이므로 환경호르몬의 유발염려가 없어 인체에 무해하며 자연분해되는 장점을 가지므로, 본 발명의 도마 또한 친환경적인 도마가 제조된다.In addition, polylactic acid (PLA) is a vegetable raw material extracted from corn, and as a biodegradable material, it is widely used for medical sutures and tableware. In particular, since it is a natural material, there is no concern about inducing environmental hormones, so it is harmless to the human body and has the advantage of being naturally decomposed, so the cutting board of the present invention is also an environmentally friendly cutting board.
숯과 열가소성 폴리우레탄(TPU) 또는 폴리유산(PLA)이 혼합된 혼합물에 알루미나(Al₂O₃) 2 중량부, 산화지 르코늄(ZrO₂)과 산화칼슘(CaO)의 혼합물 2 중량부가 혼합된다.2 parts by weight of alumina (Al₂O₃) and 2 parts by weight of a mixture of zirconium oxide (ZrO₂) and calcium oxide (CaO) are mixed in a mixture of charcoal and thermoplastic polyurethane (TPU) or polylactic acid (PLA).
즉, 알루미나(Al₂O₃)는 도마의 내마모성, 전기절연성을 우수하게 유지시켜 주고, 유해 성분을 흡착시켜 주 게 된다. 산화칼슘(CaO)은 강중 알루미나의 유해성을 저감하게 된다.That is, alumina (Al₂O₃) maintains excellent abrasion resistance and electrical insulation of the cutting board, and adsorbs harmful components. Calcium oxide (CaO) reduces the harmfulness of alumina in steel.
또한, 산화지르코늄(ZrO₂)에 의해 유,무기산, 강알카리등에 매우 뛰어난 내식성을 보이고, 화학 공정에서 장 치의 수명을 높이고 유지할 수 있게 된다.In addition, due to zirconium oxide (ZrO₂), very excellent corrosion resistance to organic, inorganic acids, and strong alkalis is shown, and the lifespan of the device can be increased and maintained in chemical processes.
아울러, 본 발명의 도마는 PP-MgO 2 ~ 3 중량부, 이산화규소(SiO₂) 2 중량부, 이산화티타늄(TiO₂) 2 중량부 를 혼합하여 구성할 수도 있다.In addition, the cutting board of the present invention may be configured by mixing 2 to 3 parts by weight of PP-MgO, 2 parts by weight of silicon dioxide (SiO₂), and 2 parts by weight of titanium dioxide (TiO₂).
PP-MgO는 고무플라스틱 등의 가황 촉진제, 안정제와 폴리에스터 컴파운드의 점도절제로 사용 및 제산제 및 하 제로 사용되고, 이산화규소(SiO₂), 이산화티타늄(TiO₂)은 도마성형 사용 시 높은 살균력과 항균력을 유지시 켜 준다.PP-MgO is used as a vulcanization accelerator, stabilizer, and viscosity control agent for polyester compounds, such as rubber plastics, and as an antacid and laxative. turn it on
이렇게 혼합된 마스터배치는 사출시 수지의 흐름 방향으로 가스가 퍼져 나가므로, 성형품을 취출해 보면 보통 수지의 흐름 방향으로 실버 스트리크 현상이 나탄게된다.In this mixed masterbatch, the gas spreads in the flow direction of the resin during injection, so when the molded product is taken out, the silver streak phenomenon usually appears in the flow direction of the resin.
따라서, 숯을 함유하고 있는 마스터배치는 수분 및 습기를 함유하고 있으므로, 사출 성형시 수분 및 습도조절 을 하여 불량율을 줄이기 위해 건조기에 80℃의 온도에서 약 2~4시간 동안 충분히 수분을 건조시킨다.Therefore, since the master batch containing charcoal contains moisture and moisture, moisture and humidity are controlled during injection molding to reduce the defect rate, and the moisture is sufficiently dried for about 2 to 4 hours at a temperature of 80° C. in a dryer.
그리고, 건조된 마스터배치를 약 180 ~ 200℃의 온도로 되는 사출기에 넣어 보합성형한다. 이때, 사출성형압 력은 500 ~ 1,500kg/㎢으로 조정하며 금형온도는 50 ~ 70℃에 맞춘다.Then, the dried masterbatch is put into an injection molding machine at a temperature of about 180 to 200° C. At this time, the injection molding pressure is adjusted to 500 ~ 1,500kg/㎢, and the mold temperature is adjusted to 50 ~ 70℃.
사출성형된 도마는 두께를 2 ~ 4mm로 제작하며, 제작된 도마는 표면마무리작업을 하여 제품을 완성한다.Injection molded cutting boards are manufactured with a thickness of 2 to 4 mm, and the manufactured cutting boards are finished with surface finishing work.
따라서, 본 발명의 플라스틱 조성물에 의해 성형된 제품은 실란트에 의해 접착성이 향상되고 건조후에도 점착 성이 견고하게 되며, 규산칼륨(K₂SiO₃)과 규산나트륨(Na₂SiO₃) 혼합물에 의해 내충격성이 향상되게 된다.Therefore, the product molded by the plastic composition of the present invention has improved adhesiveness by the sealant and firm adhesion even after drying, and the impact resistance is improved by the mixture of potassium silicate (K₂SiO₃) and sodium silicate (Na₂SiO₃). .
이때, 첨가제는 습윤제, 증점제, 암모니아, 알코올, 목초액이 소량씩 혼합되어 이루어진다. 즉, 목초액은 초 산으로서 살균작용을 하며, 알코올은 배합 후 건조시 빠른 증발을 유도하며, 암모니아는 접착성을 높혀주는 보조 첨가제 역할을 한다.At this time, the additive is made by mixing small amounts of a wetting agent, a thickener, ammonia, alcohol, and wood vinegar. That is, wood vinegar acts as acetic acid to sterilize, alcohol induces rapid evaporation when drying after mixing, and ammonia serves as an auxiliary additive to increase adhesion.
그리고, 본 발명의 다른 일 실시예로 친환경 플라스틱 조성물 100중량부에 구아검(Guar gum) 3중량부를 혼합 하고, 여기에 폴리비닐알콜(PVA) 2중량부 또는 섬유소풀(CMC) 2중량부를 더 혼합하는 것도 바람직하다.And, as another embodiment of the present invention, 3 parts by weight of guar gum is mixed with 100 parts by weight of the eco-friendly plastic composition, and 2 parts by weight of polyvinyl alcohol (PVA) or 2 parts by weight of cellulose glue (CMC) is further mixed. Mixing is also preferable.
천연식품인 구아검(Guar Gum)은 대량의 물을 흡수하여 점도가 높은 분산액을 만드는 작용이 있는 것으로서, 예로부터 완화제로 사용해왔다.Guar gum, a natural food, absorbs a large amount of water to make a high-viscosity dispersion, and has been used as a emollient since ancient times.
따라서, 숯이 함유된 플라스틱 조성물에 의해 제조된 제품은 견고하면서도 탄성과 유연성이 우수하고, 온도에 의해 물성의 영향을 크게 받지 않게 된다.Therefore, the product manufactured by the plastic composition containing charcoal is strong and has excellent elasticity and flexibility, and is not significantly affected by physical properties by temperature.
Claims (4)
숯 분말 25 ~ 35 중량부;
실란트(sealant) 4 ~ 7 중량부;
습윤제, 증점제, 암모니아, 알코올, 목초액의 혼합으로 되는 첨가제 2 ~ 4 중량부;
규산칼륨(K₂SiO₃)과 규산나트륨(Na₂SiO₃) 혼합물 1 ~ 2 중량부;
알루미나(Al₂O₃) 2 중량부;
를 포함하는 숯이 함유된 친환경 플라스틱 도마.
65 parts by weight of thermoplastic polyurethane (TPU);
25 to 35 parts by weight of charcoal powder;
4 to 7 parts by weight of a sealant;
Wetting agent, thickener, ammonia, alcohol, 2 to 4 parts by weight of an additive made of a mixture of wood vinegar;
1 to 2 parts by weight of a mixture of potassium silicate (K₂SiO₃) and sodium silicate (Na₂SiO₃);
2 parts by weight of alumina (Al₂O₃);
Eco-friendly plastic cutting board containing charcoal.
숯 분말 25 ~ 35 중량부;
실란트(sealant) 4 ~ 7 중량부;
습윤제, 증점제, 암모니아, 알코올, 목초액의 혼합으로 되는 첨가제 2 ~ 4 중량부;
규산칼륨(K₂SiO₃)과 규산나트륨(Na₂SiO₃) 혼합물 1 ~ 2 중량부;
알루미나(Al₂O₃) 2 중량부;
를 포함하는 숯이 함유된 친환경 플라스틱 도마.
65 parts by weight of polylactic acid (PLA);
25 to 35 parts by weight of charcoal powder;
4 to 7 parts by weight of a sealant;
Wetting agent, thickener, ammonia, alcohol, 2 to 4 parts by weight of an additive made of a mixture of wood vinegar;
1 to 2 parts by weight of a mixture of potassium silicate (K₂SiO₃) and sodium silicate (Na₂SiO₃);
2 parts by weight of alumina (Al₂O₃);
Eco-friendly plastic cutting board containing charcoal.
상기 도마 100 중량부에는 산화지르코늄(ZrO₂)과 산화칼슘(CaO)의 혼합물 2 중량부가 더 혼합되는 것을 특징 으로 하는 숯이 함유된 친환경 플라스틱 도마.
3. The method of claim 1 or 2,
Eco-friendly plastic cutting board containing charcoal, characterized in that 2 parts by weight of a mixture of zirconium oxide (ZrO₂) and calcium oxide (CaO) is further mixed with 100 parts by weight of the cutting board.
상기 도마 100 중량부에는 폴리유산(PLA) 3 중량부가 더 혼합하여 생분해성 특징을 가지도록 하는 숯이 함유 된 친환경 플라스틱 도마.
4. The method of claim 3,
An eco-friendly plastic cutting board containing charcoal to have biodegradable characteristics by further mixing 3 parts by weight of polylactic acid (PLA) to 100 parts by weight of the cutting board.
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