KR20160109841A - The manufacturing method for an eco-friendly container box - Google Patents
The manufacturing method for an eco-friendly container box Download PDFInfo
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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Abstract
Description
본 발명은 친환경 포장용기 제조방법에 관한 것으로서, 좀더 상세하게 설명하면 현재 주로 사용하는 일회용 용기의 경우 분해성이 낮아 환경오염의 원인이 되는 문제점을 해결하여 보다, 저렴하면서도, 가볍고 분해성이 우수하여 환경오염을 줄일 수 있도록 하기 위하여 개발된 친환경 포장용기 제조방법에 관한 것이다.DISCLOSURE OF THE INVENTION The present invention relates to a method of manufacturing an environmentally friendly packaging container, and more specifically, a disposable container which is mainly used at present is low in degradability, thereby solving the problem of causing environmental pollution. The present invention relates to a method of manufacturing an environmentally friendly packaging container.
과거와 달리 현대인의 식문화에서 패스트푸드(fast food)가 차지하는 부분이 커짐에 따라 다양한 종류의 일회용 용기가 사용되고 있으며, 마트나 슈퍼와 같은 곳에서는 각종 식재료나 음식을 포장하기 위한 방법으로 일회용 용기를 사용하는 경우가 상당히 많다.Contrary to the past, various kinds of disposable containers have been used as food for fast food has become bigger in modern food culture. In places such as mart and supermarket, disposable containers are used for packing various food materials and food. There are quite a lot of cases.
이러한 일회용 용기는 폴리스티렌 등과 같은 합성수지를 발포시켜 압축 성형한 것이 대부분을 차지하고 있으나 인체에 유해한 성분을 포함하고 있으며, 특히 고온에서는 각종 환경호르몬이 발생하는 문제점을 가지고 있고, 사용한 용기는 분해성이 낮아서 환경오염의 원인이 되기도 한다.These disposable containers are mostly made by compression molding synthetic resin such as polystyrene, but they contain harmful components to human body. Especially, at high temperature, there are problems that various kinds of environmental hormones are generated. It is also the cause of.
이에 최근에는 이른바 바이오 플라스틱이라고 불리는 각종 친환경용기의 개발이 이루어지고 있으며, 그 주요 원료로는 곡물가루와 전분과 같은 천연 고분자 물질을 사용하고 부가적으로 분해되지 않는 첨가제를 사용하는 경우가 대부분이며, 첨가된 물질에 의하여 분해성은 떨어지며, 가격이 비싸고, 무겁다는 문제점을 가지고 있었다.In recent years, various eco-friendly containers called so-called bioplastics have been developed, and most of the main raw materials are natural polymer materials such as grain powder and starch, and additives which are not decomposed additionally. It has a problem that the decomposability is low by the added substance, and the price is expensive and heavy.
하지만 갈수록 증가하는 환경오염과 석유화학제품에 의한 건강상의 문제가 사회적 문제로 확대되면서 환경부에서는 공공 부분과 민간 부분에서 친환경 제품의 사용 확대를 추진하고 있으나 아직 선진국에 비하면 미비한 수준이다.However, due to increasing environmental pollution and health problems caused by petrochemical products, the Ministry of Environment is promoting the use of eco-friendly products in the public and private sectors, but it is still insufficient compared to developed countries.
또한 가장 많이 언급되는 밀가루를 이용한 친환경 용기의 경우 밀가루의 가격을 염두에 두면 가격 경쟁은 사실상 힘들다고 할 수 있으며, 따라서 가격이 비싼 원료를 이용하여 친환경 포장용기를 제조하는 것보다 저렴하면서도 쉽게 구할 수 있는 원료를 사용할 수 있는 친환경 포장용기의 제조방법의 개발이 필요하다고 할 수 있다.In the case of eco-friendly containers using flour, which are mentioned most frequently, price competition is actually difficult when considering the price of flour, so it is cheaper and easier to obtain than using environmentally friendly packaging materials using expensive raw materials It is necessary to develop a manufacturing method of an eco-friendly packaging container which can use raw materials.
본 발명은 상기와 같은 문제점을 해결하기 위하여 개발된 것으로서, 그 목적은 가격이 저렴하고, 쉽게 구할 수 있으며, 사용 후 분해가 잘되어 환경오염을 효과적으로 방지할 수 있도록, 하는 친환경 포장용기 제조방법을 개발하는 것에 있다.The present invention has been developed in order to solve the above problems, and an object of the present invention is to provide an eco-friendly packaging container manufacturing method which is inexpensive, easily obtainable, and can be effectively decomposed after use to effectively prevent environmental pollution To develop.
또한, 친환경 용기의 재료로 주로 사용하고 있는 각종 곡물가루나 전분의 사용을 줄일 수 있도록 하여 보다 경제적으로 친환경 포장용기를 제조하는 방법을 개발하는 것에 있다.In addition, it is possible to reduce the use of various kinds of cereal grains and starches, which are mainly used as eco-friendly containers, and to develop a method for manufacturing eco-friendly packaging containers more economically.
상기와 같은 목적을 달성하기 위하여 본 발명은 주원료인 세절된 건초 또는 펄프에, 옥수수가루 또는 쌀가루와, 전분으로 구성된 부원료에 명반을 첨가하여 혼합하는 제1 혼합과정과; 혼합된 원료를 찜틀에 넣고 스팀을 이용하여 120~180℃의 온도로 찌도록 하여 반고체 상태로 가공하는 스팀찜 과정과; 발포제와 코팅제를 첨가한 후 다시 혼합하는 제2 혼합과정과; 혼합물을 열선금형에 투입한 후 발포 성형하는 성형과정의 일련의 과정이 연속적으로 이루어짐을 특징으로 한다.In order to achieve the above-mentioned object, the present invention provides a method for producing soybean meal, comprising the steps of: adding alum to a raw material consisting of corn flour or rice flour and starch, to the pulverized hay or pulp as a main raw material; A steam steaming step of processing the mixed raw materials into a semi-solid state by putting the mixed raw materials in a sauce frame and steaming them at a temperature of 120 to 180 ° C using steam; A second mixing step of adding a foaming agent and a coating agent and then mixing them again; And a molding process in which the mixture is injected into a hot-wire mold and subjected to foaming molding are successively formed.
상기에서 스팀찜 과정의 온도는 120~180℃일 수 있으며, 상기 열선금형의 온도는 170 - 230℃일 수 있다. 상기 성형은 60~120초 이내에 수행될 수 있다.The temperature of the steam steam process may be 120 to 180 ° C, and the temperature of the hot-wire mold may be 170 to 230 ° C. The molding can be carried out within 60 to 120 seconds.
아울러, 상기 제1 혼합과정에서 전체 혼합과정에서의 총중량 전체를 기준으로 건초는 40~45중량%에, 옥수수가루 또는 쌀가루는 30~35중량%, 전분 2~10중량%, 명반3~10중량%의 비율로 투입되고, 제2 혼합과정에서는 발포제 2~10중량%, 코팅제 3~10중량%의 비율로 투입됨을 특징으로 한다. 이때, 건초는 소 먹이는 풀 또는 각종 잡초를 주로 사용하고, 잡초의 길이는 1~3㎜ 이내로 분쇄하고, 옥수수가루, 쌀가루는 1㎜이내의 분말을 사용한다.In addition, in the first mixing process, the total amount of hay is 40 to 45 wt%, the amount of corn powder or rice flour is 30 to 35 wt%, starch is 2 to 10 wt%, alum is 3 to 10 wt% % By weight of the foaming agent, and 2 to 10% by weight of the foaming agent and 3 to 10% by weight of the coating agent in the second mixing process. At this time, hay is used mainly for cattle feeding grasses or various weeds, and the length of weeds is crushed to within 1 ~ 3㎜, and for corn flour and rice flour, powder within 1㎜ is used.
또한, 상기 제1 혼합과정에서 혼합과정에서의 총중량 전체를 기준으로 펄프는 40~45중량%, 옥수수가루 또는 쌀가루는 30~35중량%, 전분 2~10중량%, 명반 3~10%중량의 비율로 투입되고, 제2 혼합과정에서는 발포제 2~10중량%, 코팅제 3~10중량%의 비율로 투입됨을 특징으로 한다. 이때, 펄프의 길이는 1~3㎜ 이내로 분쇄하고, 옥수수가루와 쌀가루는 1㎜ 이내의 분말을 사용한다.In the first mixing process, the pulp is 40 to 45 wt%, the corn flour or the rice flour is 30 to 35 wt%, the starch is 2 to 10 wt%, the alum is 3 to 10 wt% By weight of the foaming agent, and 2 to 10% by weight of the foaming agent and 3 to 10% by weight of the coating agent in the second mixing process. At this time, the pulp is ground to a length of 1 to 3 mm, and the corn flour and the rice flour are used within 1 mm.
상술한 바와 같이 본 발명은 가격이 저렴하며, 쉽게 구할 수 있는 건초 또는 펄프를 이용하여 친환경 포장용기를 제조하여, 제조 단가를 줄이고 무게를 경량화하면서 내구성을 높이고 자연적으로 분해가 잘 이루어져 친환경적이며, 가격 경쟁력을 가질 수 있는 효과가 있다.As described above, the present invention provides an eco-friendly packaging container with low cost and easily obtainable hay or pulp to reduce the manufacturing cost, lighten the weight, increase the durability and naturally decompose, It has the effect of being competitive.
이에 본 발명의 구성을 당업자가 용이하게 이해하고 재현할 수 있도록 상세하게 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail so that those skilled in the art can easily understand and reproduce the present invention.
주재료인 세절된 건초 또는 펄프에, 옥수수가루 또는 쌀가루와, 전분으로 구성된 부재료에 명반을 첨가하여 혼합하는 제1 혼합과정과; 혼합된 원료를 찜틀에 넣고 스팀을 이용하여 120 ~ 180℃의 온도로 찌도록 하여 떡(인절미)과 같은 반고체 상태로 가공하는 스팀찜 과정과; 발포제와 코팅제를 첨가한 후 다시 혼합하는 제2 혼합과정과; 혼합물을 열선금형에 투입한 후 발포 성형하는 성형과정의 일련의 과정이 연속적으로 이루어짐을 특징으로 하는 친환경 포장용기 제조방법이다.A first mixing step in which alum is added to the pulverized raw hay or pulp, which is a main material, with corn flour or rice flour, and starch; A steam steaming process in which the mixed raw materials are put into a squid box and steamed at a temperature of 120 to 180 ° C using steam to form a semi-solid state such as rice cakes; A second mixing step of adding a foaming agent and a coating agent and then mixing them again; And a series of processes of molding the mixture into a hot-wire mold and then foam molding are continuously performed.
친환경 포장용기를 제조하는데 있어 가장 중요한 것은 천연 원료를 사용하여 생분해성을 최대한 확보하는 것이며, 그 다음으로는 기존 일회용 용기의 주소재인 폴리스티렌으로 제조된 용기와의 경쟁력을 가지는 시장성을 확보하기 위한 것 및 천연 원료로서 쉽게 구할 수 있으며 가격이 저렴한 것을 선택하는 것에 있다.The most important factor in the production of environmentally friendly packaging containers is to maximize the biodegradability by using natural raw materials, and to secure competitiveness with the containers made of polystyrene, which is the address of existing disposable containers, And to select those that are readily available as natural raw materials and that are low in cost.
이에 본원은 세계 어디에서도 쉽게 구할 수 있는 건초 또는 펄프를 사용하여 친환경 포장용기를 제조하는 제조방법을 제시한 것이다.Accordingly, the present invention proposes a manufacturing method of producing an environmentally friendly packaging container using hay or pulp, which is easily available anywhere in the world.
여기서, 본 발명에서 주재료인 건초와 펄프의 경우 그 성질에서 차이가 있는 것으로 건초는 펄프에 비해 섬유질이 풍부하게 함유되어 있기 때문에 각 함량의 조절을 해야 하는데, 이에 따라 이들 건초와 펄프를 접착하기 위한 옥수수가루나 쌀가루 및 전분의 함량도 차이를 두어야 한다. Here, in the case of hay and pulp, which are main materials in the present invention, there is a difference in the properties thereof. Since hay is rich in fiber compared to pulp, it is necessary to control the content of each of hay and pulp. The content of corn, rice, flour and starch should also be different.
건초 또는 펄프의 경우 섬유질을 가진 것으로 성형성이 없는 것이나 옥수수가루나 쌀가루와 같은 곡물가루는 성형성을 가질 수 있도록 하며, 전분의 경우 점성을 가질 수 있도록 하는 역할을 한다.In the case of hay or pulp, cereal flour such as cornstarch or rice flour, which has fiber and is not formable, can have moldability and serves to make the starch have viscosity.
또한 명반은 다양한 역할을 하게 되는데 약간의 살균 효과를 하며 특히 다양한 색을 가진 재료를 혼합한 상태에서 염료와 결합하여 발색하도록 매개역할을 하는 매염제의 역할을 하여 전체적인 색상의 균형을 가져오도록 하는 것이며, 또는 색상을 가진 원료가 탈색되도록 한다.In addition, it plays a diverse role and plays a role of a mordant that acts as a mediator to combine with dyestuff in a mixed state of materials with various colors, thus achieving an overall color balance. Or color of the raw material.
스팀찜 과정은 이렇게 1차 혼합된 원료에 열과 증기를 가함으로 원료에 수분을 공급하고 뭉쳐진 상태로 만드는 것이며, 가공 후 상태는 떡(인절미)과 같은 상태가 된다.The steam steam process is to add heat and steam to the primary mixed raw material to supply water to the raw material and to make the raw material into a coagulated state, and the state after the processing becomes the state like the rice cake (inflorescence).
본원에서 스팀찜 과정에서 가공된 상태는 떡(인절미)과 같이 반고체의 상태가 되며, 이 상태에서 발포 성형을 위하여 발포제를 투입하고, 내부 성분의 수분 흡수를 방지하기 위하여 코팅제도 투입한 후, 이를 발포 성형하게 되면, 성형작업과 함께 코팅이 동시에 이루어지는 것이다.In this case, the processed state in the steam steaming process becomes a semi-solid state as in rice cakes (in-rice). In this state, a foaming agent is added for foaming molding, a coating agent is also added to prevent moisture absorption of the internal components, When foam molding is performed, the coating operation is performed simultaneously with the molding operation.
이때 발포제는 보통 중탄산나트륨이 사용되며, 코팅제는 글리세린을 사용하게 되며, 전술한 바와 같이 떡(인절미)과 같은 상태에서 발포제와 코팅제를 투입하고 혼합을 하면 덩어리로 부서지면서 혼합되며, 이를 다음 과정을 위하여 단순 혼합이 아닌 반죽을 하게 되면 불필요한 기공층을 줄일 수 있어 발포성형에 유리하게 된다.In this case, sodium bicarbonate is usually used as the foaming agent, and glycerin is used as the coating agent. When the foaming agent and the coating agent are mixed in the same condition as the rice cake (as described above), they are mixed while being broken into lumps by mixing, In case of kneading without simple mixing, unnecessary pore layer can be reduced, which is advantageous for foam molding.
보다 구체적인 실시 예로 상기 제1 혼합과정에서 중량 비율로 건초 40~45 중량%, 옥수수가루 또는 쌀가루 30~35 중량%, 전분 2~10 중량%, 명반 3~10 중량%의 비율로 투입되고, 제2 혼합과정에서는 발포제 2~10 중량%, 코팅제 3~10 중량%의 비율로 투입될 수 있다.More specifically, in the first mixing step, the mixture is fed at a weight ratio of 40 to 45% by weight of hay, 30 to 35% by weight of corn flour or rice flour, 2 to 10% by weight of starch and 3 to 10% by weight of alum, 2 may be added in a mixing ratio of 2 to 10% by weight of the blowing agent and 3 to 10% by weight of the coating agent.
원재료인 건초 또는 펄프는 가격이 저렴하고, 어디에서나 쉽게 구할 수 있는 장점이 있고, 부재료인 옥수수가루와 쌀가루는 동일한 분량으로 거의 동일한 효과를 얻을 수 있으나, 옥수수가루의 경우 상대적으로 가격이 저렴하다는 장점이 있으며, 쌀가루는 특유의 하얀색으로 제조가 완료된 후 색상에서 보다 고운 색상을 얻을 수 있다는 장점이 있다.The raw material, hay or pulp, is inexpensive and easily available anywhere. The same amount of corn flour and rice flour can be obtained with almost the same effect, but the advantage of relatively low price of corn flour , And the rice flour has a distinctive white color and has a merit of obtaining a more elegant color from the color after the production is completed.
그 외에도 다양한 곡물가루가 적용될 수 있으나 가격적인 측면이나 생산량의 측면에서 적합하지 않은 경우가 대부분이다. 이에 본원 발명은 보통 전체 중량의 60~80%의 곡물가루를 사용하였던 다양한 종래 친환경 용기와 비교하면 전체 중량에서 곡물가루 즉 옥수수가루나 쌀가루가 차지하는 부분은 30~35% 정도에 불과하여 가격이 비싼 곡물가루의 양을 절반 이하로 줄일 수 있는 것으로 이는 생산원가에 적용하면 30~40%의 원가절감효과를 가져오게 되는 것이다.In addition, a variety of grain flour can be applied, but most of them are not suitable in terms of cost or production. Therefore, compared to various conventional green containers using 60 to 80% of the total grain weight of the present invention, the amount of the cereal flour, i.e. corn and lunar rice flour, is only 30 to 35% The amount of grain flour can be reduced to less than half, which is 30 ~ 40% cost reduction when applied to production cost.
이때 건초를 대신하여 펄프를 사용할 경우에는 상기 제1 혼합과정에서 중량 비율로 전체 혼합물의 중량을 기준으로, 펄프 40~45%, 옥수수가루 또는 쌀가루 30~35%, 전분 2~10%, 명반 3~10%의 비율로 투입되고, 제2 혼합과정에서는 발포제 2~10%, 코팅제 3~10%의 비율로 투입됨을 특징으로 한다.
If pulp is used instead of hay, the pulp is pulverized in a weight ratio of 40 to 45%, corn flour or rice flour 30 to 35%, starch 2 to 10%, alum 3 To 10%, and in the second mixing process, 2 to 10% of foaming agent and 3 to 10% of coating agent are added.
실험1 예 -(건초에 옥수수가루 사용)Experiment 1 Example - (Using corn flour in hay)
주원료 건초(45%)에 부원료 옥수수가루(30%)와 전분(10%), 명반(2%)를 1차 혼합하여, 발포제(3%)와 코팅제(10%)를 사용 시 제품은 원·부원료 구입이 용이하고, 가격이 매우 저렴하며, 내구성이 가장 강하고 좋다. 또한 친환경 소재여서, 분해 시 다이옥신, 환경호르몬이 발생되지 않는다. 생산된 최소 3개월~ 6개월 이내에 분해된다.
When the foaming agent (3%) and the coating agent (10%) are used as primary raw materials, the raw materials of corn powder (30%), starch (10%) and alum (2% It is easy to buy supplementary materials, the price is very cheap, and the durability is the strongest. Also, because it is an eco-friendly material, dioxin and environmental hormones are not generated when decomposed. It is degraded within 3 to 6 months of production.
실험2 예 -(건초에 쌀가루 사용)Experiment 2 Example - (Rice flour used in hay)
주원료 건초(40%)에 부원료 쌀가루(35%)와 전분(10%), 명반(2%)를 1차 혼합하여, 발포제(3%)와 코팅제(10%)를 사용 시, 제품은 원·부원료 구입이 용이하고, 가격이 매우 저렴하며, 내구성이 강하고, 제품의 색상이 선명하다. 또한 친환경 소재여서, 분해 시 다이옥신, 환경호르몬이 발생되지 않고, 최소 3개월~ 6개월 이내에 자연친화적으로 분해된다.
When the foaming agent (3%) and the coating agent (10%) are used as the primary raw material (40%), the raw materials are mixed with the rice flour (35%), starch (10%) and alum It is easy to buy supplementary materials, very cheap in price, strong in durability, and color of product is clear. In addition, it is an eco-friendly material, it does not generate dioxin and environmental hormones when decomposed, and decomposes in a nature-friendly manner within at least 3 months to 6 months.
실험3 예 -(펄프에 옥수수가루 사용)Experiment 3 Example - (using corn flour in pulp)
주원료 펄프(45%)에 부원료 옥수수가루(30%)와 전분(10%), 명반(2%)를 1차 혼합하여, 발포제(3%)와 코팅제(10%)를 사용 시, 제품은 원·부원료 구입이 용이하고, 가격이 저렴하고, 유연성이 좋으며, 색상이 선명하고, 모든 색상이 가능하며, 친환경 소재라 분해 시 환경호르몬과 다이옥신이 발생되지 않으며, 분해 시 최소 3개월~ 6개월 이내에 자연친화적으로 분해된다.
When using the foaming agent (3%) and the coating agent (10%) by primary mixing of the raw material pulp (45%) and the corn flour (30%), starch (10% · It is easy to buy sub-raw materials, low price, good flexibility, color is clear, all colors are available, environmentally friendly materials do not generate environmental hormones and dioxins, It decomposes in a nature-friendly manner.
실험4 예 -(펄프에 쌀가루 사용)Experiment 4 Example - (Using rice flour for pulp)
주원료 펄프(40%)에 부원료 쌀가루(30%)와 전분(10%), 명반(2%)를 1차 혼합하여, 발포제(3%)와 코팅제(10%)를 사용 시, 제품은 원·부원료 구입이 용이하고, 가격이 저렴하고, 유연성이 좋으며, 색상이 선명하고, 모든 색상이 가능하며, 친환경 소재라 분해 시 환경호르몬과 다이옥신이 발생되지 않으며, 분해 시 최소 3개월~ 6개월 이내에 자연친화적으로 분해된다.
When the raw material pulp (40%) is mixed with the raw material rice flour (30%), starch (10%) and alum (2%) and the foaming agent (3%) and coating agent (10%) are used, It is easy to buy supplementary material, low price, good flexibility, color is clear, all color is possible, environment-friendly material does not generate environmental hormone and dioxin when decomposed, And is decomposed in a friendly manner.
상기 실험 1예 및 2예에 따라 본 발명의 용기를 제조하였다. 표 1은 각 구성재료의 출처 및 함량을 나타낸다.The containers of the present invention were prepared according to Experiments 1 and 2. Table 1 shows the source and content of each constituent material.
- 스팀찜 과정의 온도:150℃ - Steam temperature: 150 ℃
- 열선금형의 온도: 170℃- Temperature of hot wire mold: 170 ℃
- 성형시간: 약 60초.
- Molding time: about 60 seconds.
하기 표 2는 본 발명의 제품과 기존 용기를 원료 및 물성측면에서 비교한 결과이다.Table 2 below shows the results of comparing the product of the present invention with the conventional container in terms of raw materials and physical properties.
A사 종래 제품: 지구 환경에 심각한 피해를 주고 있는 1회용 석유 제품들을 대체할 만한 친환경 제품의 부재로 잠시 그 자리를 유지하고 있는 전분+ 플라스틱 제품은 현재 국내에서 상품화(일부 컵라면 용기 등) 되어 있으나, 친환경 제품으로서의 역할에 그 한계가 노출되어 순수한 친환경 제품들이 출시된다면, 퇴출 될 것이다.
A Company Previous products: Starch + plastic products, which have been keeping their place for a while due to the absence of eco-friendly products that can replace disposable petroleum products that are seriously affecting the global environment, are currently being commercialized in Korea However, if the limitations are exposed to the role of eco-friendly products and pure eco-friendly products are released, they will be eliminated.
B사 종래 제품: 생분해성 플라스틱(일명 썩는 플라스틱) 제품은 이전의 1회용 석유제품을 가장 먼저대체한 아이템이었으나, 석유자원 고갈과 유가급등에 따라 곧, 그 자리를 잃게 될 것이다.
B Company Previous product: Biodegradable plastic (aka plastic) product was the first replacement of disposable petroleum products, but soon it will be lost due to depletion of petroleum resources and soaring oil prices.
이에 비해 본 발명에 따른 용기는 녹색 성장과 저탄소 사회로의 이행에 부합한 뉴밀레니엄 트렌드로서 가장 적합한 친환경 제품이라고 할 수 있다.
On the contrary, the container according to the present invention is the most suitable environment-friendly product as a new millennium trend that is in line with green growth and transition to a low-carbon society.
Claims (2)
The method according to claim 1, wherein in the first mixing step, hay is 40 to 45 wt% based on the total weight of the whole mixture, 30 to 35 wt% of corn meal or rice flour, 2 to 10 wt% 3. The method of claim 1, wherein the foaming agent is added in a ratio of 3 to 10 wt%, and the foaming agent is added in an amount of 2 to 10 wt% and 3 to 10 wt% in a second mixing process.
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