KR101998382B1 - Environment-friendly flooring material using corncobs and manufacturing method thereof - Google Patents
Environment-friendly flooring material using corncobs and manufacturing method thereof Download PDFInfo
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- KR101998382B1 KR101998382B1 KR1020170168589A KR20170168589A KR101998382B1 KR 101998382 B1 KR101998382 B1 KR 101998382B1 KR 1020170168589 A KR1020170168589 A KR 1020170168589A KR 20170168589 A KR20170168589 A KR 20170168589A KR 101998382 B1 KR101998382 B1 KR 101998382B1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
- C04B18/248—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork from specific plants, e.g. hemp fibres
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/36—Inorganic materials not provided for in groups C04B14/022 and C04B14/04 - C04B14/34
- C04B14/361—Soil, e.g. laterite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1037—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1092—Coating or impregnating with pigments or dyes
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/10—Acids or salts thereof containing carbon in the anion
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/54—Pigments; Dyes
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/60—Flooring materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
본 발명은 종래 화학제품이 주를 이루는 바닥재를 옥수수 속대를 이용한 친환경 소재로 대체하여 안전하고 환경오염을 줄일 수 있는 옥수수 속대를 이용한 친환경 바닥재 및 이의 제조방법에 관한 것이다.The present invention relates to an eco-friendly flooring material using cornstalks which can be safely replaced with eco-friendly materials using corncobs, and a method for manufacturing the same.
Description
본 발명은 친환경 바닥재 및 이의 제조방법에 관한 것으로, 자세하게는 종래 화학제품이 주를 이루는 바닥재를 옥수수 속대를 이용한 친환경 소재로 대체하여 안전하고 환경오염을 줄일 수 있는 옥수수 속대를 이용한 친환경 바닥재 및 이의 제조방법에 관한 것이다.The present invention relates to an eco-friendly flooring material and a method of manufacturing the same, and more particularly, to an eco-friendly flooring material using a cornstarch which is safe and can reduce environmental pollution by replacing the flooring material mainly composed of chemical products with eco- ≪ / RTI >
근래 자전거 도로, 조깅 및 산책로, 다목적 체육시설 등의 바닥재로서 탄성 바닥 매트의 사용이 지속적으로 증가하는 가운데 이들의 재료로 폴리우레탄 수지와 같은 화학합성재가 주로 사용되고 있다.In recent years, the use of elastic floor mats as flooring materials for bicycle roads, jogging and walking trails, and multi-purpose sports facilities has been continuously increasing, and chemical synthetic materials such as polyurethane resin are mainly used as these materials.
이러한 재료는 시공이 쉽고, 내마모성 및 미장 특성을 인정받고 있으나 자외선이나 기후변화에 의한 탈색과 경화 등으로 균열 및 탈락현상이 발생하여 비교적 고가의 재료임에도 그 수명이 비교적 짧고 특히 손상부위에 대한 보수가 어려운 문제가 있었다.Although these materials are easy to apply, they are recognized as abrasion resistance and plastering property, they are relatively expensive materials due to cracking and detachment due to decolorization and hardening due to ultraviolet rays or climatic change, but their life span is relatively short, There was a difficult problem.
또한, 화학적 복합체 바인더나 접착제에 톨루엔, 자일렌, 아세톤 등 다량의 용제를 사용함으로써, 환경을 오염뿐 아니라 작업자의 안전을 위협하였으며, 손상부 보수시 발생하는 폐기물 처리의 어려움을 동반하였다.Furthermore, by using a large amount of solvent such as toluene, xylene, acetone, etc. in the chemical composite binder or adhesive, the safety of the operator as well as the contamination of the environment was threatened.
이러한 폴리우레탄 수지의 가격적인 부담으로 최근에는 바닥재 기충재로 상대적으로 저렴한 폐타이어 칩, 우레탄 칩, EPDM(Ethylene Propylene Diene Monomer) 칩과 같은 재료를 사용하여 저비용과 용이한 보수가 가능하도록 하고 있으나 환경에 유해한 물질 함유로 이용자의 건강과 환경적으로 악영향이 지적되고 있어 이러한 기존 포장재가 갖는 제반 문제점을 해결할 수 있는 새로운 포장재의 개발이 절실히 요구되고 있다. Due to the price burden of these polyurethane resins, it is possible to make low cost and easy repairing by using materials such as waste tire, urethane, EPDM (Ethylene Propylene Diene Monomer) It is pointed out that the harmful substances are harmful to the health and the environment of the user. Therefore, it is urgently required to develop a new packaging material which can solve various problems of the existing packaging materials.
본 발명은 상기와 같은 문제를 해결하기 위하여 창출된 것으로, 본 발명의 목적은 천연재료로서 다공질 구조로 흡수력과 공기층 구조로 인해 우수한 탄성 복원력을 구비한 옥수수 속대에 백토를 코팅함으로 친환경적이며 인체에 유익한 옥수수 속대를 이용한 친환경 바닥재 및 이의 제조방법을 제공하는 것이다.SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a corn barrel having a porous structure and excellent elastic restoring force due to its absorption capacity and air layer structure, The present invention provides an eco-friendly flooring material using corncobs and a method of manufacturing the same.
상기와 같은 목적을 위한 본 발명 옥수수 속대를 이용한 친환경 바닥재의 제조방법은 옥수수 속대를 절단 및 분쇄하여 원료칩을 만드는 단계; 상기 원료칩에 우레탄 수지와, 백토를 혼합 및 교반하여 원료칩을 코팅하는 단계; 코팅된 원료칩을 건조 및 분리하는 단계; 로 이루어지는 것을 특징으로 한다.A method for manufacturing an eco-friendly flooring material using corncobs according to the present invention comprises the steps of cutting and grinding a corncob to produce a raw material chip; Coating raw material chips by mixing and stirring urethane resin and clay with the raw material chips; Drying and separating the coated raw material chips; .
이때 상기 원료칩을 코팅하는 단계는, 원료칩을 교반기에 넣고 회전시켜 20 ~ 30℃의 마찰열을 발생시켜 미량의 수분을 증발시키는 단계와, 원료칩 100 중량부에 대하여 우레탄 수지 20 ~ 40 중량부를 혼합하여 교반하는 단계와, 원료칩 100 중량부에 대하여 백토 5 ~ 10 중량부를 혼합하여 교반하는 단계로 이루어지는 것이 바람직하다.The step of coating the raw material chips may include the steps of placing the raw material chips in a stirrer and rotating the raw material chips to generate frictional heat at 20 to 30 DEG C to evaporate a small amount of water and mixing 20 to 40 parts by weight of a urethane resin with respect to 100 parts by weight of the raw material chips Mixing and stirring the mixture, and mixing and mixing 5 to 10 parts by weight of clay with 100 parts by weight of the raw material chips.
또한, 상기 원료칩을 코팅하는 단계 이후, 원료칩 100 중량부에 대하여 안료 5 ~ 10 중량부를 혼합하는 단계; 를 더 포함할 수 있다.After the step of coating the raw material chips, 5 to 10 parts by weight of the pigment is mixed with 100 parts by weight of the raw material chips. As shown in FIG.
또한, 상기 원료칩을 코팅하는 단계 이후, 원료칩 100 중량부에 대하여 탄산칼슘 10 ~ 15 중량부를 혼합하는 단계; 를 더 포함할 수 있다.After the step of coating the raw material chips, 10 to 15 parts by weight of calcium carbonate is mixed with 100 parts by weight of the raw material chips. As shown in FIG.
더불어 상기와 같은 목적을 위한 본 발명 옥수수 속대를 이용한 친환경 바닥재는 옥수수 속대를 분쇄 건조하여 제조된 원료칩 100 중량부에 대하여 우레탄 수지 20 ~ 40 중량부와, 백토 5 ~ 10 중량부로 구성되는 것을 특징으로 한다.In addition, the eco-friendly flooring material using the corncobs according to the present invention for the above-mentioned purpose is composed of 20 to 40 parts by weight of urethane resin and 5 to 10 parts by weight of clay based on 100 parts by weight of raw material chips prepared by pulverizing and drying the cornstarch .
이때 상기 원료칩 100 중량부에 대하여 탄산칼슘 10 내지 15 중량부를 더 포함할 수 있다.At this time, 10 to 15 parts by weight of calcium carbonate may be further added to 100 parts by weight of the raw material chip.
또한, 상기 원료칩 100 중량부에 대하여 안료 5 내지 10 중량부를 더 포함할 수 있다.Further, it may further comprise 5 to 10 parts by weight of pigment relative to 100 parts by weight of the raw material chip.
본 발명은 한정적인 용도로 활용되던 옥수수 속대를 바닥재의 주요재료로 활용함에 따라 옥수수 속대의 새로운 활용처 확보로 농가의 소득증대를 비롯하여 자연에서 얻을 수 있는 친환경 소재로 활용에 따른 환경오염을 줄일 수 있다.The present invention utilizes corncobs, which have been used for limited purposes, as the main material of the flooring, and thus it is possible to reduce the environmental pollution due to utilization of environmentally friendly materials, have.
특히 옥수수 속대로 만들어진 원료칩은 인공적으로 만들어진 발포합성수지나 부직포 못지않게 미세한 공기층이 규칙적으로 형성되어 있어 자체 탄성과 복원력이 매우 뛰어나 우수한 바닥재 역할을 할 수 있다.Particularly, the raw chips made of corn are regularly formed as artificial foamed synthetic resin or nonwoven fabric as fine air layer, so they have excellent self-elasticity and restoration ability and can serve as excellent flooring materials.
또한, 표면적이 매우 커 활성탄을 대체할 수 있을 정도의 유의한 흡수력을 나타내며, 백토와 함께 사용됨으로 이온교환작용에 의한 불순이온 및 불량가스의 흡착제거, 항균 작용 등 환경과 인체에 유익한 효과를 기대할 수 있다.In addition, it has a very high surface area and shows a significant absorption capacity to replace activated carbon. It is used together with clay so that it can be beneficial to the environment and human body, such as adsorption elimination of impurity ions and defective gases by ion exchange action, .
도 1은 본 발명의 실시예에 따른 옥수수 속대를 이용한 친환경 바닥재 및 이의 제조방법을 나타낸 순서도이다.1 is a flowchart showing an eco-friendly flooring material using corncobs according to an embodiment of the present invention and a method of manufacturing the same.
이하, 첨부된 도면을 참조하여 본 발명 옥수수 속대를 이용한 친환경 바닥재 및 이의 제조방법을 구체적으로 설명한다.Hereinafter, an eco-friendly flooring material using corncobs according to the present invention and a method of manufacturing the same will be described in detail with reference to the accompanying drawings.
본 발명에서는 바닥재의 주요 재료로 옥수수 속대(corncob)를 사용한다. 옥수수 속대는 옥수수 낟알이 달려 있는 속대를 의미하며, 버섯 배너, 동물의 사료 등 일부 한정된 용도로 사용되었으나 한방에서는 옥미축(玉米軸)이라는 약재로 사용되는 등 특정 약효가 있는 것으로 알려져 차(茶)의 재료로 활용되기도 한다. In the present invention, a corncob is used as a main material of the flooring. Corn cornstalks are corn kernels, and they are used for some limited uses such as mushroom banners and animal feeds. However, it is said that corn kernels are used as a medicinal substance called " It is also used as a material of.
이러한 옥수수 속대는 낟알의 취식 및 분리 후 버려지기 쉬운 재료이나 자연에서 얻을 수 있는 친환경 소재라는 장점 외에도 다공성 구조로 인한 공기층 형성으로 자체 탄성과 우수한 복원력이 있으며, 높은 함수율 및 흡착력을 갖는 재료이다.These corncobs are materials that are easy to be discarded after ingestion and separation of kernels, and eco-friendly materials that can be obtained from nature. In addition, they have self-elasticity and excellent restoring power due to air layer formation due to porous structure, and have high water content and adsorption power.
물론 종래의 바닥재로서 우드 칩이나 코르크 소재가 검토되기도 하였으나 본 발명에서 사용되는 옥수수 속대는 폐수의 흡착처리나 수용액의 Cu(Ⅱ)를 제거하는 등의 용도로 검토된 학술논문으로 발표될 정도로 우수한 흡착력이 있는 재료일 뿐 아니라 바닥재로서 복사열의 차단 능력과 함께 낮은 마찰특성 및 수분함수로 인해 넘어짐 발생시 상해 및 화상 가능성을 크게 줄일 수 있는 장점이 있다.Although wood chips and cork materials have been considered as conventional flooring materials, the corn battens used in the present invention are excellent in adsorption treatment of wastewater and removal of Cu (II) in aqueous solution, But also has the advantage of greatly reducing the possibility of injury and burning in the event of a fall due to low frictional properties and moisture function as well as blocking ability of radiant heat as a flooring material.
도 1은 본 발명의 실시예에 따른 옥수수 속대를 이용한 친환경 바닥재 및 이의 제조방법을 나타낸 순서도이다.1 is a flowchart showing an eco-friendly flooring material using corncobs according to an embodiment of the present invention and a method of manufacturing the same.
먼저, 첫 번째 단계(S 110)에서는 옥수수 속대를 절단 및 분쇄하여 원료칩을 만들게 된다. 건조된 옥수수 속대는 농가에서 얻을 수 있으며, 대개 옥수수는 다음해 파종을 위해 건조한 상태로 보관하므로 육종 종묘회사나 농업법인 등에서 구매 가능하다. 근래 corn sheller 탈곡장치 등을 통해 알맹이가 분리된 옥수수 속대만을 쉽게 취득할 수 있다.First, in the first step (S 110), cornstarch is cut and crushed to produce a raw material chip. Dried corncobs can be obtained from farmhouses, and usually corn is kept dry for sowing next year, so it can be purchased from seed breeding companies or agricultural corporations. In recent years, corn sheller can be easily obtained by separating grain from the corn trough through a threshing device.
옥수수 속대의 절단 및 분쇄를 위한 세부 실시예로서, 프레스 절단기를 사용하여 옥수수 속대를 2 ~ 3㎝씩 잘게 절단하고, 절단된 속대를 분쇄기에 넣고 칼날의 길이를 조절하면서 3차에 걸쳐 분쇄 및 분류 과정을 반복하게 된다.As a detailed example for cutting and crushing corncobs, corncobs are finely cut into 2-3 cm pieces by using a press cutter, and the cut corncorns are placed in a crusher and crushed and classified in three stages while controlling the length of the blade The process repeats.
이때 1차 분쇄·분류는 5 ~ 6㎜, 1차 분쇄·분류는 3 ~ 4㎜, 3차 분쇄·분류는 2㎜ 이하의 크기가 되도록 순차적으로 분쇄 및 분류하여 고른 입자의 원료칩을 만들게 된다.At this time, the primary pulverization and classification are 5 to 6 mm, the primary pulverization and classification are 3 to 4 mm, and the third pulverization and classification are sequentially pulverized and classified so as to be 2 mm or less, .
이때 최종 2㎜ 이하의 크기로 분류된 원료칩을 원형의 틀에 넣고 10 ~ 20분 정도 시계 및 반시계방향으로 반복회전시켜 원심력 및 상호 마찰력으로 인해 원료칩의 모서리부분이 둥글게 되도록 성형시켜 원료칩이 완성된다.At this time, the raw material chips classified into the size of less than 2 mm are put in a circular mold and repeatedly rotated clockwise and counterclockwise for about 10 to 20 minutes so that the edges of the raw material chips are rounded due to centrifugal force and mutual frictional force, Is completed.
다음 두 번째 단계(S 120)에서는 첫 번째 단계(S 110)를 통해 만들어진 상기 원료칩에 우레탄 수지와, 백토를 혼합 및 교반하여 원료칩을 코팅하게 된다.In the next second step (S 120), the raw chips formed through the first step (S 110) are mixed and stirred with urethane resin and clay to coat the raw chips.
이는 앞서 언급한 우수한 흡수력과 탄성, 복원력 특성의 천연소재인 옥수수 속대로 만들어진 원료칩에 백토를 첨가하여 흡착률 향상, 음이온 발생, 항균성 및 항온성과 대전성을 부여하여 친환경적이면서도 인체에 유익하게 원료칩을 코팅하는 것이다. 백토의 흰 색상으로 코팅됨으로 인해 바닥재 설치환경을 반영한 다양한 색상 구현이 용이하다.This is because the clay is added to the raw material chips made of corn, which is the natural material having excellent absorbing power, elasticity and restoring force mentioned above, to improve the adsorption rate, generate anion, antimicrobial property, thermostability and electrification property, . Coating with clay white color makes it easy to implement various colors reflecting flooring installation environment.
구체적으로 원료칩을 코팅하는 단계(S 120)는 다음과 같은 절차로 진행될 수 있다.Specifically, the step of coating a raw material chip (S 120) may be carried out by the following procedure.
먼저, 원료칩을 교반기에 넣고 회전시켜 20 ~ 30℃의 마찰열을 발생시켜 미량의 수분을 증발시키는 단계(S 121)로, 교반기에 넣은 원료칩을 60 rpm의 속도로 약 10분간 회전시키면, 원료칩 상호 간 마찰로 인한 열이 20 ~ 30℃ 수준으로 발생하게 된다. 이는 원료칩에 포함된 미량의 수분을 증발시키면서 후술되는 우레탄 수지의 코팅력을 증가시켜주게 된다.First, a raw material chip placed in an agitator is rotated at a speed of 60 rpm for about 10 minutes in a step (S 121) in which a raw material chip is rotated in a stirrer to generate frictional heat at 20 to 30 ° C to evaporate a trace amount of moisture, Heat due to friction between the chips occurs at a level of 20 to 30 ° C. This increases the coating power of the urethane resin described below while evaporating a small amount of water contained in the raw chip.
다음 원료칩 100 중량부에 대하여 우레탄 수지 20 ~ 40 중량부를 혼합하여 교반하는 단계(S 122)로, 원료칩과 우레탄 수지가 뭉쳐지지 않도록 전동 교반을 통해 2 ~ 3분 정도 잘 저어준다.Next, 20 to 40 parts by weight of a urethane resin is mixed with 100 parts by weight of the raw material chips, followed by stirring (S 122). The raw material chips and the urethane resin are agitated for about 2 to 3 minutes through agitation so as not to aggregate.
이후 원료칩 100 중량부에 대하여 백토 5 ~ 10 중량부를 혼합하여 교반하는 단계(S 123)로 120 ~ 180 rpm의 속도로 약 3 ~ 4 분간 회전 혼합하게 된다.Thereafter, 5 to 10 parts by weight of clay is mixed with 100 parts by weight of the raw material chips and stirred and mixed at a speed of 120 to 180 rpm for about 3 to 4 minutes.
이와 같은 원료칩을 코팅하는 단계(S 120) 이후 원료칩 100 중량부에 대하여 원하는 색상의 안료 5 ~ 10 중량부를 혼합하는 단계(S 124)를 통해 색상을 부여할 수 있으며 안료 첨가 후, 60 rpm의 속도로 약 3 ~ 5분간 회전혼합하여 균질하게 안료가 흡착되도록 한다.After the step of coating the raw material chips (S 120), a color may be imparted through mixing (S 124) 5 to 10 parts by weight of a pigment of a desired color to 100 parts by weight of the raw material chips. After the pigment is added, At a speed of about 3 to 5 minutes to homogeneously adsorb the pigment.
이러한 코팅 및 안료 혼합과정에서 혼합된 우레탄 수지는 약 10% 정도 경화되어 점성을 띄게 된다. 이때 필요에 따라 원료칩 100 중량부에 대하여 탄산칼슘 10 ~ 15 중량부를 혼합하는 단계(S 125)를 수행하여 약해진 혼합물의 결합력을 더 떨어뜨리고 원료칩의 비중을 높여 각 원료칩 입자 표면에 코팅층이 형성된 상태로 칩과 칩이 완전히 분리될 수 있도록 한다. 세부적으로 탄산칼슘 혼합 후 약 5 ~ 10분간 120 ~ 180 rpm의 속도로 회전, 혼합한다.In the coating and pigment mixing process, the mixed urethane resin is cured by about 10% and becomes viscous. At this time, if necessary, the step (S 125) of mixing 10-15 parts by weight of calcium carbonate with 100 parts by weight of the raw material chips further reduces the binding force of the weakened mixture and increases the specific gravity of the raw material chips, So that the chip and the chip can be completely separated in the formed state. After mixing the calcium carbonate in detail, the mixture is rotated and mixed at a speed of 120 to 180 rpm for about 5 to 10 minutes.
마지막 단계(S 130)에서는 코팅된 원료칩을 건조 및 분리하게 된다.In the final step (S 130), the coated raw material chips are dried and separated.
구체적으로 코팅이 완료된 원료칩을 바닥 등에 넓고 길게 펼쳐 12 ~ 14시간 자연 건조 및 양생하게 되며, 이 과정을 거치며 아직 서로 붙어있을 수 있는 원료칩의 완전한 분리를 위해 교반기에서 60 rpm의 속도로 3 ~ 5분간 회전할 수 있다.Specifically, the coated chips are spread widely on the floor and extended for 12 to 14 hours to naturally dry and cure. In order to completely separate the raw chips, which are still attached to each other, It can be rotated for 5 minutes.
바람직하게는 2차에 걸쳐 양생 및 건조가 이루어지도록 할 수 있으며, 구체적으로 여름철 약 12시간, 겨울철 약 24시간을 자연상태에서 양생, 건조한 후, 건조기를 통해 60 ~ 80℃의 온도에서 100 ~ 140분간 2차 건조하게 된다.Specifically, curing and drying can be carried out over a second time, specifically about 12 hours in summer and about 24 hours in winter. The cured product is dried at a temperature of 60 to 80 ° C. at a temperature of 100 to 140 ° C. Secondly, it is dried for a minute.
이후 건조된 칩을 교반기에 넣고 3 ~ 5분간 교반시켜 서로 붙어있는 원료칩 알갱이를 완전히 분리시켜 포장하게 된다.Thereafter, the dried chips are placed in a stirrer and agitated for 3 to 5 minutes to completely separate and pack the raw chip particles attached to each other.
본 발명에 따른 옥수수 속대를 이용한 친환경 바닥재는 상술한 제조방법을 통해 제조되는 것으로, 동일한 방식으로 옥수수 속대를 분쇄 건조하여 제조된 원료칩 100 중량부에 대하여 우레탄 수지 20 ~ 40 중량부와, 백토 5 ~ 10 중량부로 구성된다.The eco-friendly flooring material using the corncobs according to the present invention is manufactured through the above-described manufacturing method. In the same manner, 20 to 40 parts by weight of a urethane resin is added to 100 parts by weight of a raw material chip prepared by pulverizing and drying cornstalks, To 10 parts by weight.
이때 원하는 색상을 부여하기 위하여 상기 원료칩 100 중량부에 대하여 탄산칼슘 10 내지 15 중량부를 더 포함할 수 있으며, 제조 중 서로 붙어 있는 원료칩 알갱이의 분리가 용이하도록 상기 원료칩 100 중량부에 대하여 탄산칼슘 10 내지 15 중량부가 더 포함될 수 있다.In order to impart a desired color, 10 to 15 parts by weight of calcium carbonate may be added to 100 parts by weight of the raw material chip. In order to facilitate separation of the raw material chip particles during manufacturing, 100 parts by weight of the raw material chip, 10 to 15 parts by weight of calcium may be further included.
본 발명의 권리는 위에서 설명된 실시 예에 한정되지 않고 청구범위에 기재된 바에 의해 정의되며, 본 발명의 분야에서 통상의 지식을 가진 자가 청구범위에 기재된 권리범위 내에서 다양한 변형과 개작을 할 수 있다는 것은 자명하다.It is to be understood that the invention is not limited to the disclosed embodiment, but is capable of many modifications and variations within the scope of the appended claims. It is self-evident.
Claims (7)
원료칩을 교반기에 넣고 회전시켜 20 ~ 30℃의 마찰열을 발생시켜 미량의 수분을 증발시키는 단계(S 121);
원료칩 100 중량부에 대하여 우레탄 수지 20 ~ 40 중량부를 혼합하여 교반하는 단계(S 122);
원료칩 100 중량부에 대하여 백토 5 ~ 10 중량부를 혼합하여 교반하는 단계(S 123);
원료칩 100 중량부에 대하여 탄산칼슘 10 ~ 15 중량부를 혼합하는 단계(S 125);
코팅된 원료칩을 건조 및 분리하는 단계(S 130); 로 이루어지는 것을 특징으로 하는 옥수수 속대를 이용한 친환경 바닥재의 제조방법.
Cutting and crushing corncobs to produce raw chips (S 110);
(S 121) of generating a frictional heat at 20 to 30 ° C by rotating the raw material chips in an agitator to evaporate a trace amount of water;
(S 122) mixing and stirring 20 to 40 parts by weight of urethane resin with respect to 100 parts by weight of raw material chips;
(S 123) mixing and stirring 5 to 10 parts by weight of clay with respect to 100 parts by weight of the raw material chips;
Mixing (S 125) 10 to 15 parts by weight of calcium carbonate with respect to 100 parts by weight of the raw material chip;
Drying and separating the coated raw material chips (S 130); The method of manufacturing an eco-friendly flooring material according to claim 1,
상기 원료칩을 코팅하는 단계(S 120) 이후,
원료칩 100 중량부에 대하여 안료 5 ~ 10 중량부를 혼합하는 단계(S 124); 를 더 포함하는 것을 특징으로 하는 옥수수 속대를 이용한 친환경 바닥재의 제조방법.
The method according to claim 1,
After coating the raw material chips (S 120)
(S 124) mixing 5 to 10 parts by weight of the pigment with respect to 100 parts by weight of the raw material chips; The method of claim 1, further comprising:
Characterized by comprising 20 to 40 parts by weight of a urethane resin, 5 to 10 parts by weight of clay and 10 to 15 parts by weight of calcium carbonate per 100 parts by weight of raw material chips prepared by pulverizing and drying the cornstarch. Flooring.
상기 원료칩 100 중량부에 대하여 안료 5 내지 10 중량부를 더 포함하는 것을 특징으로 하는 옥수수 속대를 이용한 친환경 바닥재.6. The method of claim 5,
And further comprising 5 to 10 parts by weight of a pigment based on 100 parts by weight of the raw material chip.
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