KR100575484B1 - Manufacturing method of wood substitute used the rice bran by main material - Google Patents
Manufacturing method of wood substitute used the rice bran by main material Download PDFInfo
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- KR100575484B1 KR100575484B1 KR1020040066486A KR20040066486A KR100575484B1 KR 100575484 B1 KR100575484 B1 KR 100575484B1 KR 1020040066486 A KR1020040066486 A KR 1020040066486A KR 20040066486 A KR20040066486 A KR 20040066486A KR 100575484 B1 KR100575484 B1 KR 100575484B1
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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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/10—Making granules by moulding the material, i.e. treating it in the molten state
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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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/08—Copolymers of ethylene
- B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
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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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
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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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0044—Stabilisers, e.g. against oxydation, light or heat
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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
- B29K2503/00—Use of resin-bonded materials as filler
- B29K2503/04—Inorganic materials
- B29K2503/08—Mineral aggregates, e.g. sand, clay or the like
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
본 발명은 농산물의 부산물인 쌀겨를 재활용하여 목재 대용품을 제조함으로써, 환경오염을 방지함은 물론, 인체에 무해한 고품질의 목재 대용품을 소비자에게 제공할 수 있도록 한 쌀겨를 주원료로 한 목재 대용품의 제조방법에 관한 것이다.The present invention is to produce a wood substitute by recycling the rice bran as a by-product of agricultural products, a method of producing a wood substitute with rice bran as the main raw material to prevent environmental pollution, as well as to provide consumers with a high-quality wood substitute harmless to the human body It is about.
즉, 본 발명은 분쇄된 쌀겨를 건조기에 투입하여 쌀겨의 수분함량이 0.02%가 될 때 까지 건조시키는 건조공정과; 상기 건조공정을 거친 쌀겨 70~85중량％, 합성수지제 15~30중량％, 가소제를 쌀겨 및 합성수지제 중량대비 5％, 분산제를 쌀겨 및 합성수지제 중량대비 5％, 흘림제를 쌀겨 및 합성수지제 중량대비 5~10％, 커플링제를 쌀겨 및 합성수지제 중량대비 0.5％의 배합 비율로 배합 후 배합되어진 재료의 온도가 90 ~100℃가 될 때까지 배합하는 배합공정과; 상기 배합공정을 거친 배합재료를 냉각기에 교반하여 실온까지 냉각시키는 냉각공정과; 상기 냉각공정을 거친 배합재료를 길이 대비 직경비가 34:1이며 동방향으로 회전되는 스크루가 장착된 트윈압출기에 일정량씩 공급하여 압출하는 압출공정과; 상기 압출공정을 거친 재료를 금형에 투입하여 일정형태의 제품으로 성형하는 성형공정;으로 이루어짐을 특징으로 한다.That is, the present invention comprises the drying step of drying the crushed rice bran to the dryer until the water content of the rice bran becomes 0.02%; 70 to 85% by weight of the rice bran after the drying process, 15 to 30% by weight of synthetic resin, plasticizer 5% by weight of rice bran and synthetic resin, dispersant 5% by weight of rice bran and synthetic resin, shedding agent rice bran and synthetic resin weight A blending step of blending the mixture 5 to 10% and the coupling agent at a blending ratio of 0.5% by weight of the rice bran and the synthetic resin until the temperature of the blended material is 90 to 100 ° C; A cooling step of stirring the compounding material having undergone the mixing step in a cooler to cool to room temperature; An extrusion process of feeding the compounded material that has undergone the cooling process by feeding a predetermined amount to a twin extruder equipped with a screw having a diameter ratio of 34: 1 and rotating in the same direction; It is characterized by consisting of a; forming step of molding the material of the extrusion through the extrusion process material into a mold.
쌀겨, 가소제, 분산제, 흘림제, 커플링제Rice bran, plasticizer, dispersant, shedding agent, coupling agent
Description
도 1은 본 발명의 제조공정도.1 is a manufacturing process diagram of the present invention.
본 발명은 목재 대용품의 제조방법에 관한 것으로, 더욱 상세하게는 손쉽게 구할 수 있는 쌀겨를 이용하여 목재 대용품을 제조함으로써, 타 목재 대용품과 비교 할 때 가격 경쟁력에서 우위를 점할 수 있으며, 농산물의 부산물인 쌀겨의 재활용으로 인하여 환경오염을 줄일 수 있음은 물론, 인체에 전혀 해롭지 않은 고품질의 목재 대용품을 소비자에게 제공할 수 있도록 한 쌀겨를 주원료로 한 목재 대용품의 제조방법에 관한 것이다.The present invention relates to a method of manufacturing wood substitutes, and more particularly, by manufacturing wood substitutes using easily available rice bran, it can have an advantage in price competitiveness compared to other wood substitutes, and is a by-product of agricultural products. The present invention relates to a method for manufacturing wood substitutes using rice bran as a main raw material which can reduce environmental pollution by recycling rice bran and also provide consumers with high quality wood substitutes that are not harmful to the human body.
근래에 들어 목재자원의 감소에 따라 목재 대용품의 개발에 많은 연구가 진행되고 있다.In recent years, much research is being conducted on the development of wood substitutes due to the reduction of wood resources.
현재까지 개발된 목재 대용품을 살펴보면, 플라스틱만을 사용하거나 톱밥이나 목분을 폴리프로필렌(Polypropylene, PP), 또는 폴리에틸렌 (Polyethylene, PE) 등의 다수와 혼합한 목재 대용품이 생산되고 있다.Looking at wood substitutes developed to date, wood substitutes using only plastic or mixed sawdust or wood flour with polypropylene (PP), or polyethylene (PE) are produced.
그러나 플라스틱만을 사용한 목재 대용품은 플라스틱이 가지는 크리프(Creep)현상 때문에 목재 대용품으로서 한계를 가지는 문제점이 있었다.However, there is a problem that the wooden substitute using only plastic has a limitation as a wooden substitute due to the creep phenomenon of the plastic.
또한 톱밥이나 목분 등을 사용한 목재 대용품은 분쇄공정이 고비용으로 목재 대용품의 원가가 높아져 원가를 절감하기 위해 과량의 합성수지제를 혼합하게 되고 이로 인해 제품의 질이 저하되어 목재 대용품으로서 제기능을 발휘하지 못하는 등의 문제점이 있었다.In addition, the wood substitute using sawdust or wood flour has a high cost of the wood substitute in the crushing process, and the excess synthetic resin is mixed to reduce the cost. As a result, the quality of the product is deteriorated, and thus it does not function as a wood substitute. There was a problem such as not being able to.
본 발명은 상기와 같은 문제를 해결하기 위해 안출된 것으로, 본 발명의 목적은 농산물의 부산물인 쌀겨의 비중이 70% 이상을 차지하는 목재 대용품을 제조함으로써, 인체에 무해한 고품질의 목재 대용품을 제조하여 소비자에게 저렴한 가격으로 공급할 수 있도록 한 쌀겨를 주원료로 한 목재 대용품의 제조방법을 제공함에 그 목적이 있다.
The present invention has been made to solve the above problems, an object of the present invention is to produce a high-quality wood substitutes harmless to the human body by manufacturing a wood substitute that accounts for more than 70% of the rice bran as a by-product of agricultural products The object of the present invention is to provide a method for manufacturing wood substitutes based on rice bran, which can be supplied at low prices.
상기와 같은 기술적과제를 해결하기 위해 본 발명은, 분쇄된 쌀겨를 건조기에 투입하여 쌀겨의 수분함량이 0.02%가 될 때 까지 건조시키는 건조공정과; 상기 건조공정을 거친 쌀겨 70~85중량％, 합성수지제 15~30중량％, 가소제를 쌀겨 및 합성수지제 중량대비 5％, 분산제를 쌀겨 및 합성수지제 중량대비 5％, 흘림제를 쌀겨 및 합성수지제 중량대비 5~10％, 커플링제를 쌀겨 및 합성수지제 중량대비 0.5％의 배합 비율로 배합 후 배합되어진 재료의 온도가 90 ~100℃가 될 때까지 배합하는 배합공정과; 상기 배합공정을 거친 배합재료를 냉각기에 교반하여 실온까지 냉각시키는 냉각공정과; 상기 냉각공정을 거친 배합재료를 길이 대비 직경비가 34:1이며 동방향으로 회전되는 스크루가 장착된 트윈압출기에 일정량씩 공급하여 압출하는 압출공정과; 상기 압출공정을 거친 재료를 금형에 투입하여 일정형태의 제품으로 성형하는 성형공정;으로 이루어짐을 특징으로 한다.In order to solve the above technical problem, the present invention comprises the drying step of drying the crushed rice bran to the dryer until the water content of the rice bran is 0.02%; 70 to 85% by weight of the rice bran after the drying process, 15 to 30% by weight of synthetic resin, plasticizer 5% by weight of rice bran and synthetic resin, dispersant 5% by weight of rice bran and synthetic resin, shedding agent rice bran and synthetic resin weight A blending step of blending the mixture 5 to 10% and the coupling agent at a blending ratio of 0.5% by weight of the rice bran and the synthetic resin until the temperature of the blended material is 90 to 100 ° C; A cooling step of stirring the compounding material having undergone the mixing step in a cooler to cool to room temperature; An extrusion process of feeding the compounded material that has undergone the cooling process by feeding a predetermined amount to a twin extruder equipped with a screw having a diameter ratio of 34: 1 and rotating in the same direction; It is characterized by consisting of a; forming step of molding the material of the extrusion through the extrusion process material into a mold.
또한 본 발명의 커플링제는 neopentyl(diallyl) oxy, tri(dioctyl) pyro-phosphato titanate로 이루어짐을 특징으로 한다.In addition, the coupling agent of the present invention is characterized by consisting of neopentyl (diallyl) oxy, tri (dioctyl) pyro-phosphato titanate.
또한 본 발명의 배합공정에서 배합되는 합성수지제는 폴리프로필렌임을 특징으로 한다.In addition, the synthetic resin compounded in the blending process of the present invention is characterized in that the polypropylene.
또한 본 발명의 배합공정에서 배합되는 합성수지제는 EVA임을 특징으로 한다.In addition, the synthetic resin compounded in the compounding process of the present invention is characterized in that the EVA.
또한 본 발명은 배합공정의 배합재료에 입자 크기가 300메시인 황토를 첨가하여 배합됨을 특징으로 한다.In another aspect, the present invention is characterized by the addition of ocher having a particle size of 300 mesh to the blending material of the blending process.
또한 본 발명은 배합공정의 배합재료에 Tetrakis(methylene 3, 5-di-tert, butyl-4-hydroxy-hydrocinna mate) methan으로 이루어지는 산화방지제가 첨가됨을 특징으로 한다.In addition, the present invention is characterized in that an antioxidant consisting of Tetrakis (methylene 3, 5-di-tert, butyl-4-hydroxy-hydrocinnamate) methan is added to the blending material of the blending process.
이하 본 발명을 다음의 실시예에 의하여 설명하고자 한다. 그러나 이들에 의해 본 발명의 기술범위가 한정되는 것은 아니다.Hereinafter, the present invention will be described by the following examples. However, the technical scope of the present invention is not limited by these.
<실시예 1> :제조공정Example 1 Manufacturing Process
도 1에 도시된 바와 같이 본 발명의 쌀겨를 주원료로 한 목재 대용품의 제조방법은, 건조공정과, 배합공정, 냉각공정, 압출공정, 성형공정을 순차적으로 거치면서 이루어지는 것으로 이를 더욱 구체적으로 설명하면 다음과 같다.As illustrated in FIG. 1, the method of manufacturing a wood substitute based on the rice bran of the present invention comprises a drying step, a mixing step, a cooling step, an extrusion step, and a molding step sequentially. As follows.
① 건조공정에서는, 정미기(精米機)에 의해 이미 분쇄된 쌀겨를 구입한 후 건조기에 투입하여 건조기에 의해 쌀겨의 수분함량이 0.02%가 될 때까지 건조시키는 과정을 거치게 된다.① In the drying process, rice bran that has already been crushed by a rice polisher is purchased, then put into a dryer, and dried by the dryer until the water content of rice bran becomes 0.02%.
이때 쌀겨는 분말상태로 된 것을 사용하는 것이 바람직하다.At this time, the rice bran is preferably used in a powder state.
② 배합공정에서는, 상기 건조공정을 거친 쌀겨 70~85중량％와, 합성수지제 15~30중량％, 가소제(D.O.P)를 쌀겨 및 합성수지제 중량대비 5％, 분산제(st/a)를 쌀겨 및 합성수지제 중량대비 5％, 흘림제(왁스 P-wax)를 쌀겨 및 합성수지제 중량대비 5~10％, 커플링제(CAPOW L38/H)를 쌀겨 및 합성수지제 중량대비 0.5％의 비율로 배합 후 배합되어진 재료의 온도가 90 ~100℃가 될 때까지 배합하는 과정을 거치게 된다.(2) In the blending step, 70 to 85% by weight of the rice bran that has been subjected to the drying step, 15 to 30% by weight of the synthetic resin, 5% of the plasticizer (DOP) to the rice bran and the weight of the synthetic resin, the rice bran and the dispersant (st / a) 5% by weight, shedding agent (wax P-wax), 5-10% by weight of rice bran and synthetic resin, and coupling agent (CAPOW L38 / H) at 0.5% by weight of rice bran and synthetic resin. Mixing is performed until the temperature of the material reaches 90 ~ 100 ℃.
한편 커플링제는 표면의 성질이 다른 이질 재료간의 결합력을 높이기 위한 물질로 여기서는 쌀겨와 합성수지제의 결합력을 높이는 역할을 한다.On the other hand, the coupling agent is a material for increasing the bonding force between heterogeneous materials having different surface properties and serves to increase the bonding force between the rice bran and the synthetic resin.
또한 쌀겨와 합성수지제의 결합력을 높이는 역할을 하는 상기 커플링제는 neopentyl(diallyl) oxy, tri(dioctyl) pyro-phosphato titanate로 이루어진다.In addition, the coupling agent that serves to increase the binding strength of the rice bran and the synthetic resin is composed of neopentyl (diallyl) oxy, tri (dioctyl) pyro-phosphato titanate.
③ 냉각공정에서는, 상기 배합공정을 거쳐 배합된 원재료를 냉각기에 교반하여 실온까지 냉각시키는 과정을 거치게 된다.(3) In the cooling step, the raw materials blended through the above mixing step are agitated in a cooler and cooled to room temperature.
④ 압출공정에서는, 상기 냉각공정을 거친 원재료를 동방향 트윈압출기에 일정량씩 공급하여 압출하는 과정을 거치게 된다.④ In the extrusion process, the raw materials that have undergone the cooling process are fed to the coaxial twin extruder by a predetermined amount to undergo extrusion.
이때 재료의 정교한 배합을 위해 상기 트윈압출기의 스크루는 길이 대비 직경비가 34:1인 것을 사용하는 것이 바람직하다. At this time, it is preferable that the screw of the twin extruder has a diameter ratio of 34: 1 for the precise mixing of materials.
⑤ 마지막 공정인 성형공정은, 압출공정을 거친 재료를 금형에 투입하여 일정형태의 제품을 생산하는 공정이다.⑤ The final process, the molding process, is a process of producing a certain type of product by injecting an extruded material into a mold.
<실시예 2> : 배합재료Example 2 Compounding Material
상기 실시예 1의 배합공정에서 배합되는 합성수지제는, 일정 크기의 입자나 분말형태의 폴리프로필렌이 사용된다.As the synthetic resin to be blended in the blending step of Example 1, polypropylene in the form of particles or powder of a predetermined size is used.
즉, 쌀겨 70~85중량％와, 폴리프로필렌 15~30중량％, 가소제를 쌀겨 및 폴리프로필렌 중량대비 5％, 분산제를 쌀겨 및 폴리프로필렌 중량대비 5％, 흘림제를 쌀겨 및 폴리프로필렌 중량대비 5~10％, 커플링제를 쌀겨 및 폴리프로필렌 중량대비 0.5％의 배합 비율로 배합하게 된다.That is, 70 to 85% by weight of rice bran, 15 to 30% by weight of polypropylene, 5% by weight of rice bran and polypropylene plasticizer, 5% by weight of rice bran and polypropylene dispersant, 5% by weight of rice bran and polypropylene ˜10%, the coupling agent is blended at a blending ratio of 0.5% by weight of rice bran and polypropylene.
상기 폴리프로필렌(PP, Polypropylene)은 PE와 같이 또 하나의 폴리오레핀(Polyolefin)플라스틱으로 PE보다 경도가 높고 인장강도가 크며 투명도가 좋은 특 성이 있다. The polypropylene (PP, Polypropylene) is another polyolefin (Polyolefin) plastic, such as PE has a higher hardness than PE, tensile strength and good transparency.
그밖에 수증기에 대한 차단성이 우수하며, 높은 결정성(結晶性) 때문에 연화온도가 높아서 능히 150℃까지 견딜 수 있어 PP로 포장된 식품, 의약품의 고압수증기 살균도 가능하다.In addition, it has excellent barrier against water vapor, and because of its high crystallinity, it has a high softening temperature and can withstand temperatures up to 150 ° C.
<실시예 3> : 배합재료Example 3 Compounding Material
상기 실시예 1의 배합공정에서 배합되는 합성수지제는, 일정 크기의 입자나 분말형태의 EVA를 사용하는 것이 바람직하다.Synthetic resin to be blended in the compounding step of Example 1, it is preferable to use a particle size or a powder of EVA.
즉, 쌀겨 70~85중량％와, EVA 15~30중량％, 가소제를 쌀겨 및 EVA 중량대비 5％, 분산제를 쌀겨 및 EVA 중량대비 5％, 흘림제를 쌀겨 및 EVA 중량대비 5~10％ 커플링제를 쌀겨 및 EVA 중량대비 0.5％의 배합 비율로 배합하게 된다.That is, 70 to 85% by weight of rice bran, 15 to 30% by weight of EVA, 5% to rice bran and EVA weight by plasticizer, 5% to rice bran and EVA weight by dispersant, 5 to 10% by weight of rice bran and EVA The ring agent is blended at a blending ratio of 0.5% by weight of rice bran and EVA.
상기 EVA(Ethylene Vinyl Acetate Copolymer)는 에틸렌과 비닐아세테이트의 공중합체 수지로 투명성, 유연성, 저온 취성 등이 우수하여 신발용 소재, 농업용 필름, 압출 코팅 등의 원료 수지로 사용되고 있으며, 연성이 우수하여 PVC 대체 소재로 주목받고 있다.The EVA (Ethylene Vinyl Acetate Copolymer) is a copolymer resin of ethylene and vinyl acetate, and has excellent transparency, flexibility, low temperature brittleness, and is used as a raw material resin for footwear materials, agricultural films, extrusion coatings, and the like. It is attracting attention as an alternative material.
<실시예 4>: 배합재료Example 4 Compounding Material
실시예 1 내지 3의 배합공정에서 배합재료에 입자크기가 300메시(mesh)인 황토를 첨가하면 더욱 친환경적인 목재 대용품을 얻을 수 있다.In the blending process of Examples 1 to 3, when ocher having a particle size of 300 mesh is added to the blending material, a more environmentally friendly wood substitute can be obtained.
<실시예 5>: 배합재료Example 5 Compounding Material
실시예 1 내지 3의 배합공정에서 배합재료에 산화방지제를 첨가함으로써 더욱 내구성이 향상된 고품질의 목재 대용품을 얻을 수 있다.By adding an antioxidant to the blending material in the blending process of Examples 1 to 3, a high quality wood substitute having improved durability can be obtained.
상기 첨가되는 산화방지제는 Tetrakis(methylene 3, 5-di-tert, butyl-4-hydroxy-hydrocinna mate) methan으로 이루어진다.The added antioxidant is Tetrakis (methylene 3, 5-di-tert, butyl-4-hydroxy-hydrocinna mate) methan.
이상에서 상세히 살펴본 바와 같이 본 발명에서 제공하는 목재 대용품은 쌀겨(70％이상)와 같은 친환경적인 재료를 주성분으로 제작되므로 건축자재로 사용할 경우 인체에 유해성이 전혀 없어 건강증진에 도움을 줄 수 있는 효과가 있다.As described in detail above, the wood substitute provided by the present invention is made of an environmentally friendly material such as rice bran (70% or more) as a main ingredient, so when used as a building material, there is no harm to the human body, which may help to promote health. There is.
그리고 손쉽게 구할 수 있는 농산물의 부산물인 쌀겨를 특별한 가공공정을 거치지 않고 그대로 사용할 수 있어 재료 수급이 편리하며 재료구입에 따른 비용을 절감할 수 있는 효과가 있다.And rice bran, which is a by-product of agricultural products, can be used as it is without any special processing process, so it is convenient to supply and reduce the cost of purchasing the material.
또한 농산물의 부산물인 쌀겨의 재활용으로 인하여 환경오염을 줄일 수 있으며, 저렴한 가격으로 소비자에게 목재 대용품을 공급할 수 있는 일석이조의 효과가 있다.In addition, it is possible to reduce environmental pollution by recycling rice bran, which is a by-product of agricultural products, and there is an effect of two stone mills that can supply wood substitutes to consumers at low prices.
또한 건축재로서의 측면이나 인체의 유해성 여부를 고려해 볼 때 목재와 견주어도 손색이 없으며, 이에 따라 고가의 원목수입을 줄일 수 있는 효과가 있다.In addition, when considering the side of the building material or whether the body is harmful to the human body compared with the wood, there is an effect that can reduce the expensive timber imports.
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| KR101990287B1 (en) | 2018-07-27 | 2019-06-19 | 하원태 | Interior and exterior architectural materials and manufacuring method therefor |
| KR102033412B1 (en) | 2019-06-11 | 2019-10-17 | 하원태 | Rice husk - based insulation material and manufacturing method therefor |
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| KR101388767B1 (en) * | 2013-02-20 | 2014-04-25 | 주식회사 티에버 | Wood plastic composite and Manufacturing method which have cooling step by sequentially adding of wood fiber |
| KR102433347B1 (en) | 2015-12-22 | 2022-08-17 | 도레이첨단소재 주식회사 | Hydrophilic spunbond nonwoven fabric having an excellent shift stability and manufacturing method thereof |
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| JPS60180823A (en) | 1984-02-29 | 1985-09-14 | Sadao Nishibori | Formation of wood-like decorative panel |
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| JPS60180823A (en) | 1984-02-29 | 1985-09-14 | Sadao Nishibori | Formation of wood-like decorative panel |
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| KR101990287B1 (en) | 2018-07-27 | 2019-06-19 | 하원태 | Interior and exterior architectural materials and manufacuring method therefor |
| KR102033412B1 (en) | 2019-06-11 | 2019-10-17 | 하원태 | Rice husk - based insulation material and manufacturing method therefor |
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