KR101133182B1 - gunny bag manufacturing method coated volatile corrosion inhibitor resin - Google Patents

gunny bag manufacturing method coated volatile corrosion inhibitor resin Download PDF

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KR101133182B1
KR101133182B1 KR1020090048432A KR20090048432A KR101133182B1 KR 101133182 B1 KR101133182 B1 KR 101133182B1 KR 1020090048432 A KR1020090048432 A KR 1020090048432A KR 20090048432 A KR20090048432 A KR 20090048432A KR 101133182 B1 KR101133182 B1 KR 101133182B1
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resin
weight
parts
stirring
mixing
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KR20100129860A (en
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황인수
김존복동
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(주)조은산업
(주)선우팩
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/42—Applications of coated or impregnated materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
    • C09D5/084—Inorganic compounds

Abstract

본 발명의 기화성 방청레진이 코팅된 마대 제조방법은 벤조산나트륨(Sodium Benzoate), 메타규산나트륨, 몰리브덴산나트륨(Sodium molibdate), 벤조트리아졸(Benzotriazole) 및 나트라졸(Natrasol)을 혼합 교반하여 혼합물을 형성하는 제1혼합교반단계(S10)와, 혼합물을 분쇄하는 분쇄단계(S20)와, 분쇄단계(S20)에서 분쇄된 혼합물에 폴리에틸렌수지와 분산제를 140℃에서 160℃의 온도범위에서 혼합교반하여 제1방청레진을 형성하는 제2혼합교반단계(S30)와, 제1방청레진에 폴리에틸렌수지, 폴리올레핀수지 및 적어도 200Kcal/mhr℃ 이상의 열전도율(thermal conductivity)을 갖는 금속을 혼합 교반하여 제2방청레진을 형성하는 제3혼합교반단계(S40)와, 제2방청레진을 마대 내측면에 코팅하는 코팅단계(S50)로 구성된다.The preparation method of coating the vaporized rust preventive resin of the present invention is a mixture by stirring and mixing sodium benzoate (Sodium Benzoate), sodium metasilicate, sodium molybdate (Sodium molibdate), benzotriazole and Natrasol (Natrasol) Mixing and stirring the polyethylene resin and the dispersant in a temperature range of 140 ° C to 160 ° C in the first mixture stirring step (S10) to form, the grinding step (S20) for grinding the mixture, and the mixture milled in the grinding step (S20) The second mixed stirring step (S30) to form a first rust-proof resin, and the second rust-proof resin by mixing and stirring a polyethylene resin, a polyolefin resin and a metal having a thermal conductivity of at least 200Kcal / mhr ℃ or more to the first rustproof resin It consists of a third mixing and stirring step (S40) to form a, and a coating step (S50) for coating the second anti-rust resin on the inner surface of the sack.

마대, 기화성 방청, 폴리에틸렌수지 Hemp, Vaporization Antirust, Polyethylene Resin

Description

기화성 방청레진이 코팅된 마대 제조방법{gunny bag manufacturing method coated volatile corrosion inhibitor resin}Gunny bag manufacturing method coated volatile corrosion inhibitor resin

본 발명은 기화성 방청레진이 코팅된 마대 제조방법에 관한 것으로, 특히 폴리프로필렌 재질로 이루어진 마대의 내측면에 코팅되어 마대 내부에 수용되어지는 철 또는 비철금속류의 제품들의 부식을 방지하고, 마대 폐기시 생화학분해가 빠르게 발생되도록 하여 환경오염을 방지하고, 인체건강에 악영향을 주지 않는 기화성 방청레진이 코팅된 마대 제조방법에 관한 것이다.The present invention relates to a method of manufacturing a sack coated with a vaporizable rust preventive resin, in particular to prevent the corrosion of products of iron or non-ferrous metals that are accommodated inside the sack is coated on the inner surface of the sack made of polypropylene material, The present invention relates to a method for preparing a sack coated with a vaporizing antirust resin that prevents environmental pollution by causing biochemical decomposition to occur rapidly and does not adversely affect human health.

금속 소재를 이용한 다양한 기계공업, 자동차, 선박, 군수품들의 제품들이 발달함에 따라 이에 필요한 각종 포장제품들의 수요가 증가하고 있으며, 철 또는 비철금속류의 제품들을 포장하기 위한 포장제품들 중에서 폴리프로필렌(polypropylene) 재질의 섬유사로 만들어진 마대를 주로 사용하고 있다.As the products of various mechanical industries, automobiles, ships, and munitions using metal materials are developed, the demand for various packaging products is increasing. Among the packaging products for packaging ferrous or non-ferrous metal products, polypropylene is used. The sack made of material fiber yarn is mainly used.

종래의 경우 비닐 또는 아질산염 또는 크롬산의 화학약품들이 혼합된 폴리에틸렌수지(polyethylene resin)로 형성되는 방청필름을 고온에서 접착제를 사용하여 마대 내측면에 코팅하여 마대에 포장되는 금속 제품들의 부식을 방지하거나, 방수를 위해 사용하였다.In the conventional case, the anti-corrosive film formed of polyethylene resin mixed with chemicals of vinyl or nitrite or chromic acid is coated on the inner side of the sack using an adhesive at high temperature to prevent corrosion of metal products packaged on the sack, Used for waterproofing.

마대 내측면에 코팅되는 비닐이나 방청필름 및 폴리프로필렌 재질의 섬유사로 형성된 마대는 분자량이 크고, 큰 분자사슬(molecular chain) 구조를 가지고 있으며, 마대 폐기를 위한 매립시 자연환경하에서 분해가 발생되지 않으며, 매립하지 않고 소각처리시 다이옥신 등의 발암물질이 생성되어 공기오염 및 인체 손상을 발생시키는 문제점을 가지고 있으며, 방청을 위해 혼합되는 아질산염(sodium nitrite)은 인체에 흡입시 암을 유발할 수 있어 인체에 치명적일 수 있고, 크롬산은 각종 환경오염을 유발하거나 생태계에 악영향을 미치는 문제점을 가지고 있다.The stem made of vinyl, rustproof film and polypropylene fiber yarn coated on the inner side of the stem has a large molecular weight, has a large molecular chain structure, and does not cause decomposition in the natural environment during landfill for disposal. Carcinogens such as dioxins are produced during incineration without reclamation, causing air pollution and human damage.Nitrite (sodium nitrite) mixed for rust prevention can cause cancer when inhaled into the human body. It can be fatal, and chromic acid has various problems causing environmental pollution or adversely affecting the ecosystem.

본 발명의 목적은 벤조산나트륨, 메타규산나트륨, 몰리브덴나트륨, 벤조트리아졸, 나트라졸, 폴리에틸렌수지, 폴리올레핀수지 및 열전도율이 높은 금속을 혼합한 방청레진을 마대의 내측면에 코팅하여, 마대 내에 보관된 금속제품들의 부식을 방지시키는 방청효과가 탁월하고, 열전도율이 높은 금속에 의해 분자량이 큰 폴리에틸렌수지와 폴리프로필렌의 큰 분자시슬을 작은 분자사슬로 산화분해시켜 마대 폐기시 생화학분해가 빠르게 일어나고, 환경오염을 방지할 수 있고, 인체건강에 악영향을 주지 않는 기화성 방청레진이 코팅된 마대 제조방법을 제공하는 데 있다.An object of the present invention is to coat the inner surface of the scavenger with sodium benzoate, sodium metasilicate, sodium molybdenum, benzotriazole, natrazole, polyethylene resin, polyolefin resin, and a metal having high thermal conductivity, and then stored in the stool. Excellent anti-corrosive effect to prevent corrosion of metal products, and large metal chains of high molecular weight polyethylene resin and polypropylene are oxidatively decomposed into small molecular chains by metals with high thermal conductivity. It is possible to prevent, and to provide a method for producing a hemp coating coated vaporization anti-rust resin does not adversely affect human health.

상기의 목적을 달성하기 위하여 본 발명의 기화성 방청레진이 코팅된 마대 제조방법은 철 또는 비철금속류의 제품들을 포장하기 위한 폴리프로필렌 재질의 섬유사로 형성된 마대 제조방법에 있어서, 벤조산나트륨, 메타규산나트륨, 몰리브덴산나트륨, 벤조트리아졸 및 나트라졸을 혼합 교반하여 혼합물을 형성하는 제1혼합교반단계; 상기 혼합물을 분쇄하는 분쇄단계; 상기 분쇄단계에서 분쇄된 혼합물에 폴리에틸렌수지와 분산제를 140℃에서 160℃의 온도범위에서 혼합교반하여 제1방청레진을 형성하는 제2혼합교반단계; 상기 제1방청레진에 폴리에틸렌수지, 폴리올레핀수지 및 적어도 200Kcal/mhr℃ 이상의 열전도율을 갖는 금속을 혼합 교반하여, 상기 마대의 폐기시 상기 금속에 의해 상기 폴리프로필렌과 폴리에틸렌수지를 산화분해시키는 제2방청레진을 형성하는 제3혼합교반단계; 및 상기 제2방청레진을 마대 내측면에 코팅하는 코팅단계를 구비하며, 상기 폴리에틸렌수지 1000중량부에 대해서 상기 벤조산 나트륨은 0.5중량부 내지 1.5중량부이고, 상기 메타규산나트륨은 0.1중량부 내지 0.6중량부이고, 상기 몰리브덴산나트륨은 1.2중량부 내지 2중량부이고, 상기 벤조트리아졸은 0.5중량부 내지 1.5중량부이고, 상기 나트라졸은 0.3중량부 내지 0.6중량부이고, 상기 분산제는 1중량부 내지 1.5중량부이고, 상기 폴리올레핀수지는 500중량부 내지 600중량부인 것을 특징으로 한다. In order to achieve the above object, the evaporation anticorrosive resin-coated hemp production method of the present invention is a hemp production method formed of polypropylene fiber yarn for packaging products of iron or non-ferrous metals, sodium benzoate, sodium metasilicate, A first mixing and stirring step of mixing and stirring sodium molybdate, benzotriazole and natrazole; Grinding of the mixture; A second mixing and stirring step of mixing and stirring the polyethylene resin and the dispersant at a temperature range of 140 ° C. to 160 ° C. to the mixture pulverized in the grinding step to form a first rustproof resin; A second anti-rust resin which oxidizes and decomposes the polypropylene and polyethylene resin with the metal by mixing and stirring the polyethylene resin, the polyolefin resin and the metal having a thermal conductivity of at least 200 Kcal / mhr ° C. to the first rust preventive resin. A third mixed stirring step of forming a; And a coating step of coating the second anti-rust resin on the inner surface of the sack, wherein the sodium benzoate is 0.5 parts by weight to 1.5 parts by weight and the sodium metasilicate is 0.1 parts by weight to 0.6 with respect to 1000 parts by weight of the polyethylene resin. Parts by weight, wherein the sodium molybdate is 1.2 parts by weight to 2 parts by weight, the benzotriazole is 0.5 parts by weight to 1.5 parts by weight, the natrazole is 0.3 parts by weight to 0.6 parts by weight, and the dispersant is 1 part by weight. Part to 1.5 parts by weight, the polyolefin resin is characterized in that 500 to 600 parts by weight.

삭제delete

또한, 상기 금속은 구리금속으로 입자크기는 10㎚～800㎚이고, 상기 분산제는 스테아린산 아연인 것을 특징으로 한다.In addition, the metal is a copper metal, the particle size is 10nm ~ 800nm, the dispersing agent is characterized in that the zinc stearate.

본 발명의 기화성 방청레진이 코팅된 마대 제조방법은 본 발명의 목적은 벤조산나트륨, 메타규산나트륨, 몰리브덴나트륨, 벤조트리아졸, 나트라졸, 폴리에틸렌수지, 폴리올레핀수지 및 열전도율이 높은 금속을 혼합한 방청레진을 마대의 내측면에 코팅하여, 마대 내에 보관된 금속제품들의 부식을 방지시키는 방청효과가 탁월하고, 열전도율이 높은 금속에 의해 분자량이 큰 폴리에틸렌수지와 폴리프로필렌의 큰 분자시슬을 작은 분자사슬로 산화분해시켜 마대 폐기시 생화학분해가 빠르게 일어나고, 환경오염을 방지할 수 있다.According to the present invention, a method of preparing a sack coated with a vaporizable rustproof resin is an object of the present invention, in which a rustproof resin is mixed with sodium benzoate, sodium metasilicate, sodium molybdenum, benzotriazole, natrazole, polyethylene resin, polyolefin resin, and a metal having high thermal conductivity. Is coated on the inner side of the sack to prevent corrosion of metal products stored in the stalk, and to oxidize the large molecular chain of polyethylene resin and polypropylene with large molecular weight into small molecular chain by metal with high thermal conductivity. Biodegradation occurs quickly when decomposing disposal, and environmental pollution can be prevented.

이하, 첨부된 도면을 참조하여 본 발명의 기화성 방청레진이 코팅된 마대 제조방법을 상세히 설명하고자 한다.Hereinafter, with reference to the accompanying drawings will be described in detail the manufacturing method of the evaporated anti-corrosion resin coated coating of the present invention.

도 1은 본 발명의 기화성 방청레진이 코팅된 마대 제조방법의 공정순서도이 다. 1 is a process flow chart of the preparation method of coating the vaporized rust-proof resin of the present invention.

도 1에 도시된 바와 같이 본 발명의 기화성 방청레진이 코팅된 마대 제조방법은 벤조산나트륨(Sodium Benzoate), 메타규산나트륨, 몰리브덴산나트륨(Sodium molibdate), 벤조트리아졸(Benzotriazole) 및 나트라졸(Natrasol)을 혼합 교반하여 혼합물을 형성하는 제1혼합교반단계(S10)와, 혼합물을 분쇄하는 분쇄단계(S20)와, 분쇄단계(S20)에서 분쇄된 혼합물에 폴리에틸렌수지와 분산제를 140℃에서 160℃의 온도범위에서 혼합교반하여 제1방청레진을 형성하는 제2혼합교반단계(S30)와, 제1방청레진에 폴리에틸렌수지, 폴리올레핀수지 및 적어도 200Kcal/mhr℃ 이상의 열전도율(thermal conductivity)을 갖는 금속을 혼합 교반하여 마대의 폐기시 금속에 의해 폴리프로필렌과 폴리에틸렌수지를 산화분해시키는 제2방청레진을 형성하는 제3혼합교반단계(S40)와, 제2방청레진을 마대 내측면에 코팅하는 코팅단계(S50)로 구성된다.As shown in Figure 1, the preparation method of the coating of vaporized rust preventive resin of the present invention is sodium benzoate (Sodium Benzoate), sodium metasilicate, sodium molybdate (Sodium molibdate), benzotriazole (Benzotriazole) and natrazole (Natrasol 1 st mixing stir to form a mixture by mixing and stirring), a pulverizing step (S20) for pulverizing the mixture, and a mixture of the polyethylene resin and the dispersant in the pulverized mixture in the crushing step (S20) from 140 ℃ to 160 ℃ A second mixing and stirring step (S30) of mixing and stirring the first rust-preventing resin at a temperature range of 1 ° C., and a metal having a thermal conductivity of polyethylene resin, polyolefin resin and at least 200 Kcal / mhr ° C. in the first rust-preventing resin. Mixing and stirring to form a second mixed stirring step (S40) for oxidizing and decomposing polypropylene and polyethylene resins by metal at the time of disposal of the bed, and the second rust-preventing resin on the inner surface of the bed. The coating consists of a coating step (S50).

또한, 상기 폴리에틸렌수지 1000중량부에 대해서 벤조산 나트륨은 0.5중량부 내지 1.5중량부이고, 메타규산나트륨은 0.1중량부 내지 0.6중량부이고, 몰리브덴산나트륨은 1.2중량부 내지 2중량부이고, 벤조트리아졸은 0.5중량부 내지 1.5중량부이고, 나트라졸은 0.3중량부 내지 0.6중량부이고, 분산제는 1중량부 내지 1.5중량부이고, 폴리올레핀수지는 500중량부 내지 600중량부로 구성된다.In addition, sodium benzoate is 0.5 parts by weight to 1.5 parts by weight, sodium metasilicate is 0.1 parts by weight to 0.6 parts by weight, sodium molybdate is 1.2 parts by weight to 2 parts by weight with respect to 1000 parts by weight of the polyethylene resin, and benzotria The sol is 0.5 parts by weight to 1.5 parts by weight, the natrazole is 0.3 parts by weight to 0.6 parts by weight, the dispersant is 1 part by weight to 1.5 parts by weight, and the polyolefin resin is comprised of 500 parts by weight to 600 parts by weight.

또한, 상기 금속은 구리금속으로 그 입자크기는 10㎚～800㎚이고, 상기 분산제는 스테아린산 아연(Zinc Stearate)으로 형성한다.In addition, the metal is a copper metal, its particle size is 10nm ~ 800nm, the dispersant is formed of zinc stearate (Zinc Stearate).

또한, 상기 코팅단계는 방청레진을 직접 분사방식으로 마대 내측면에 코팅하도록 구성된다.In addition, the coating step is configured to coat the inner surface of the stem by direct injection method antirust resin.

상기의 구성에 따른 본 발명인 기화성 방청레진이 코팅된 마대 제조방법의 동작은 다음과 같다.The operation of the evaporative anti-corrosive resin coated hemp production method according to the above configuration is as follows.

도 2에 도시된 바와 같이 제1혼합교반단계(S10)는 필름의 주원료인 폴리에틸렌수지 1000중량부에 대해서 0.5중량부 내지 1.5중량부의 벤조산나트륨(Sodium Benzoate)과 0.1중량부 내지 0.6중량부의 메타규산나트륨과 1.2중량부 내지 2중량부의 몰리브덴산나트륨과 0.5중량부 내지 1,5중량부의 벤조트리아졸(Benzotriazole)과 0.3중량부 내지 0.6중량부의 나트라졸(Natrasol)을 교반기에 넣고, 상온에서 25rpm/min 회전속도로 40분간 혼합 교반하여 혼합물을 형성한다.As shown in FIG. 2, the first mixing stirring step S10 is 0.5 parts by weight to 1.5 parts by weight of sodium benzoate and 0.1 parts by weight to 0.6 parts by weight of metasilicate based on 1000 parts by weight of polyethylene resin, which is the main raw material of the film. Sodium, 1.2 parts by weight to 2 parts by weight of sodium molybdate, 0.5 parts by weight to 1,5 parts by weight of benzotriazole and 0.3 parts by weight to 0.6 parts by weight of Natrasol are placed in a stirrer, at 25 rpm / at room temperature. Mix and stir for 40 minutes at min rotation speed to form a mixture.

벤조산나트륨, 메타규산나트륨, 몰리브덴산나트륨 및 벤조트리아졸은 모두 방청작용을 위한 화학약품들로 상기 적정 중량보다 낮게 혼합할 경우 방청력이 감소되고, 적정 중량보다 클 경우에는 방청성의 균형이 깨져서 발청이 발생될 수 있다. 이러한 화학약품들은 환경오염을 유발하지 않고, 인체건강에 해를 주지 않는다. Sodium benzoate, sodium metasilicate, sodium molybdate and benzotriazole are all chemicals for anti-rust action, and when mixed below the proper weight, the rust resistance is reduced, and when the weight is higher than the proper weight, the rust resistance balance is broken and Blue may occur. These chemicals do not cause environmental pollution and do not harm human health.

메타규산나트륨은 방청작용뿐만 아니라, pH가 중성보다 높거나 낮을 경우 발청의 요인이 될 수 있으므로 pH를 중성으로 만들어 준다. Sodium metasilicate not only prevents rust, but also makes the pH neutral because it can cause rust if the pH is higher or lower than neutral.

나트라졸(Natrasol)은 마대 외측에서 내측으로 수분이 침투될 때 침투되는 수분을 흡수하여 마대 내측으로 투과되는 수분투과율을 현저히 감소시킬 수 있다.Natrasol absorbs moisture that penetrates when the moisture penetrates from the outside of the rod to the inside, thereby significantly reducing the water permeability permeated into the rod.

분쇄단계(S20)는 제1혼합물을 350메시(mesh)에서 500메시의 크기로 분쇄한다. In the grinding step S20, the first mixture is pulverized to a size of 500 mesh from 350 mesh.

제2혼합교반단계(S30)는 분쇄단계(S20)에서 분쇄된 혼합물에 융용지수 3g/min 내지 4g/min을 갖는 저분자량의 폴리에틸렌수지 100중량부와 1중량부 내지 1.5중량부의 분산제인 스테아린산 아연(zinc stearate)을 140℃에서 160℃의 온도범위에서 혼합교반하여 제1방청레진을 형성한다. The second mixing and stirring step S30 is 100 parts by weight of a low molecular weight polyethylene resin and 1 part by weight to 1.5 parts by weight of stearic acid having a melt index of 3 g / min to 4 g / min in the mixture pulverized in the grinding step S20. Zinc (zinc stearate) is mixed and stirred at a temperature range of 140 ℃ to 160 ℃ to form a first rust preventive resin.

제3혼합교반단계(S40)는 제2혼합교반단계(S30)에서 생성된 제1방청레진에 900중량부의 폴리에틸렌수지와, 500중량부 내지 600중량부의 폴리올레핀수지와 적어도 200Kcal/mhr℃ 이상의 열전도율(thermal conductivity)을 갖는 금속을 교반기에서 혼합 교반하여 제2방청레진을 형성한다.The third mixed stirring step (S40) is 900 parts by weight of polyethylene resin, 500 parts by weight to 600 parts by weight of polyolefin resin and at least 200 Kcal / mhr ° C. in the first rust-preventing resin produced in the second mixing step (S30). The metal having thermal conductivity) is mixed and stirred in a stirrer to form a second antirust resin.

금속은 적어도 200Kcal/mhr℃ 이상의 열전도율을 갖는 금속으로, 금, 은, 또는 구리 등을 사용할 수 있으며, 특히 경제적인 면에서 구리를 사용하는 것이 바람직하고, 금속은 10㎚～800㎚의 입자크기를 가진 구리나노금속을 사용하는 것이 바람직하다.The metal is a metal having a thermal conductivity of at least 200 Kcal / mhr ° C. or more, and gold, silver, or copper may be used. Particularly, it is preferable to use copper, and the metal has a particle size of 10 nm to 800 nm. It is preferable to use a copper nano metal having.

폴리올레핀수지가 폴리에틸렌수지보다 인장강도가 더 크기 때문에 제3혼합교반단계(S40)에서 제1방청레진에 폴리에틸렌수지와 폴리올레핀수지를 더 혼합교반하여 형성된 제2방청레진의 인장강도는 제1방청레진에 비해 더 크게 된다. 따라서 후공정의 코팅단계(S50)에서 제2방청레진이 코팅된 마대의 물성은 종래의 마대에 비해 증가하게 된다. Since the polyolefin resin has a higher tensile strength than the polyethylene resin, the tensile strength of the second rustproof resin formed by further mixing and stirring the polyethylene resin and the polyolefin resin in the first mixed stirrer step S40 in the third mixed stirring step (S40). Larger than that. Therefore, in the coating step (S50) of the post process, the physical properties of the second anti-corrosion resin is coated is increased compared to the conventional hemp.

코팅단계(S50)는 마대코팅기를 사용하여 제2방청레진을 190℃에서 195℃의 온도에서 용해시킨 후 용해된 제2방청레진을 직접분사방식으로 마대 내측면에 코팅시킨다. 종래의 경우 250℃ 이상의 고온에서 접착제를 개제하여 비닐이나 방청필름 을 마대에 접착하였기 때문에 방청약품들의 손실이 발생하여 방청기능이 감소하는데 반해, 본 발명의 경우 직접분사방식에 의해 마대 내측면에 제2방청레진을 코팅하여 줌으로써 방청약품들이 손실되는 것을 방지할 수 있고, 코팅작업을 용이하게 할 수 있다.In the coating step (S50), the second antirust resin is dissolved at a temperature of 190 ° C. to 195 ° C. using a hemp coating machine, and then the dissolved second antirust resin is coated on the inside of the hemp by direct injection. In the conventional case, since vinyl or an rustproof film was adhered to a sack by using an adhesive at a high temperature of 250 ° C. or higher, loss of rust-preventing agents occurs, and the anti-rust function is reduced. By coating the two rust preventive resins can prevent the rust preventive chemicals to be lost, and can facilitate the coating operation.

상기와 같이 제조된 본 발명의 기화성 방청레진이 코팅된 마대는 벤조산나트륨, 메타규산나트륨, 몰리브덴산나트륨 및 벤조트리아졸의 성분이 혼합되므로 본 발명의 기화성 방청레진이 코팅된 마내 내부에 수용보관되는 철 또는 비철금속류의 제품들에는 부식이 발생되는 것을 방지할 수 있고, 10㎚～800㎚의 입자크기를 가진 구리나노금속에 의해 마대 매립 폐기시 주변 자연환경에서 발생되는 열을 신속히 전달받고, 전달받은 열을 이용하여 큰 분자사슬 구조로 되어 있는 폴리에틸렌수지와 마대의 원재료인 폴리프로필렌의 큰 분자사슬을 작은 분자사슬로 산화분해시키는 생화학분해가 발생되되므로, 종래의 마대와는 달리 소각처리할 필요가 없으므로 소각처리에 의한 위해물질이 발생되지 않고, 매립시에도 분해가 빨리 이루어져서 환경오염의 발생을 방지할 수 있다.The evaporated anticorrosive resin coated sack of the present invention prepared as described above is mixed with the components of sodium benzoate, sodium metasilicate, sodium molybdate and benzotriazole, so that the storage of the vaporized rustproof resin of the present invention Corrosion can be prevented from products of ferrous or non-ferrous metals, and the copper nanometal having particle size of 10nm ~ 800nm is rapidly transferred and transferred from the surrounding natural environment when discarding the landfill. Biochemical decomposition occurs by oxidatively decomposing large molecular chains of polyethylene resin having a large molecular chain structure and polypropylene, which is a raw material of a large molecule, into small molecular chains by using the received heat, and thus, unlike conventional rods, incineration treatment is necessary. Therefore, no harmful substances are generated by incineration, and decomposition occurs quickly when landfilling, thus causing environmental pollution. It can prevent life.

도 2는 본 발명의 기화성 방청레진이 코팅된 마대를 50℃의 온도범위에서 미생물이 활성화될 수 있는 조건을 형성시킨 후 마대의 분해율을 도시한 그래프로, 도 2에서 알 수 있듯이 대략 570일이 경과시에는 마대는 70%정도 생화학분해가 이루어지고, 700일이 경과한 후에는 본 발명의 기화성 방청레진이 코팅된 마대는 80% 정도 생화학분해가 이루어지는 것을 알 수 있다.Figure 2 is a graph showing the decomposition rate of the sack after forming a condition that the microorganisms can be activated in the temperature range of the vaporized anti-corrosive resin coating of the present invention 50 ℃, as can be seen in Figure 2 approximately 570 days When elapsed, the sack is biochemically decomposed about 70%, and after 700 days, the stool coated with the vaporizable rust preventive resin of the present invention is biochemically decomposed about 80%.

아래의 표 1은 본 발명에 의해 제조된 기화성 방청레진이 코팅된 마대와 일반적인 폴리에틸렌필름이 코팅된 일반 마대에 각각 여러 가지 금속시편들을 수용한 후 밀봉시켜 금속시편들에 대한 발청실험에 대한 비교결과가 나타나 있다.Table 1 below is a comparison result of the rust test for the metal specimens by receiving a variety of metal specimens in each of the vaporized anti-corrosive resin-coated hemp prepared by the present invention and a general polyethylene film-coated hemp Is shown.

금속시편Metal specimen 본 발명의 마대Bed of the present invention 일반 마대General 탄소강Carbon steel 발청없음No call 부분발청발생Partial call outbreak 알루미늄aluminum 발청없음No call 일부 부식 발생Some corrosion occurs 아연도강판Galvanized steel sheet 발청없음No call 일부 부식 발생Some corrosion occurs 구리Copper 발청없음No call 부분 변색 발생Partial discoloration

상기 표 1에 나타난 발청비교실험은 상기 금속별 시편을 가로, 세로 3㎝로 절단한 후 절단된 금속시편 표면을 알루미늄 옥사이드(Aluminum Oxide)천으로 균일하게 사포한 후, 이소 프로필 알콜(Iso Propyl Alcohol)로 세척한 후 건조시켜 본 발명에 따라 제조된 기화성 방청레진이 코팅된 마대와 폴리에틸렌필름이 코팅된 일반 마대에 넣고 열봉합기로 봉합한다. 발청실험은 마대 내에 포장된 금속시편을 절대습도 90%이상이고, 50℃로 유지된 항온조에서 넣고 72시간 경과후 금속시편들을 개봉하여 발청발생여부를 실험한 것이다.In the comparison test shown in Table 1, the metal specimens were cut horizontally and vertically 3 cm, and then the surface of the cut metal specimens were uniformly sanded with aluminum oxide cloth, and then isopropyl alcohol. ) And then dried and put into a vaporized anticorrosive resin-coated hemp prepared in accordance with the present invention and a general hemp coated with polyethylene film and sealed with a heat sealer. The rust test was carried out to test whether the rust occurred by placing the metal specimens packed in the sack in a thermostat maintained at 50 ° C and kept at 50 ° C. After 72 hours, the metal specimens were opened.

상기 표 1에 나타난 바와 같이 본 발명에 의한 기화성 방청레진이 코팅된 마대는 일반 마대에 비해 발청현상이 발생되지 않음을 알 수 있고, 이로 인해 방청처리가 우수한 것을 확인할 수 있다.As shown in Table 1, the evaporative anticorrosive resin coated sack according to the present invention can be seen that the rust phenomenon does not occur compared to the general sack, it can be confirmed that the anti-rust treatment is excellent.

아래의 표 2는 본 발명에 의해 제조된 기화성 방청레진이 코팅된 마대와 일반적인 폴리에틸렌필름이 코팅된 일반 마대의 수분투과율을 측정한 결과로, 본 발명의 기화성 방청레진이 코팅된 마대는 일반 마대에 비해 수분투과율이 현저히 낮음을 알 수 있다.Table 2 below is a result of measuring the moisture permeability of the gas-coated rustproof resin coated sack prepared by the present invention and the general polyethylene film-coated sack, the vaporized rustproof resin coated sack of the present invention is a general It can be seen that the moisture permeability is significantly lower than that.

본 발명의 마대Bed of the present invention 일반 마대General
수분투과율(g/24hrs,m2)
Moisture Permeability (g / 24hrs, m 2 )

1.4
1.4
1.9
1.9

도 1은 본 발명의 기화성 방청레진이 코팅된 마대 제조방법의 공정순서도,1 is a process flow chart of the preparation method of the sack coated with vaporizable antirust resin of the present invention,

도 2는 본 발명의 기화성 방청레진이 코팅된 마대의 분해율의 그래프이다.Figure 2 is a graph of the decomposition rate of the evaporated anticorrosive resin coated sack of the present invention.

Claims (4)

철 또는 비철금속류의 제품들을 포장하기 위한 폴리프로필렌 재질의 섬유사로 형성된 마대 제조방법에 있어서,In the manufacturing method of the hemp formed of polypropylene fiber yarn for packaging products of ferrous or non-ferrous metals, 벤조산나트륨, 메타규산나트륨, 몰리브덴산나트륨, 벤조트리아졸 및 나트라졸을 혼합 교반하여 혼합물을 형성하는 제1혼합교반단계;A first mixing and stirring step of mixing and stirring sodium benzoate, sodium metasilicate, sodium molybdate, benzotriazole and natrazole to form a mixture; 상기 혼합물을 분쇄하는 분쇄단계;Grinding of the mixture; 상기 분쇄단계에서 분쇄된 혼합물에 폴리에틸렌수지와 분산제를 140℃에서 160℃의 온도범위에서 혼합교반하여 제1방청레진을 형성하는 제2혼합교반단계; A second mixing and stirring step of mixing and stirring the polyethylene resin and the dispersant at a temperature range of 140 ° C. to 160 ° C. to the mixture pulverized in the grinding step to form a first rustproof resin; 상기 제1방청레진에 폴리에틸렌수지, 폴리올레핀수지 및 적어도 200Kcal/mhr℃ 이상의 열전도율을 갖는 금속을 혼합 교반하여, 상기 마대의 폐기시 상기 금속에 의해 상기 폴리프로필렌과 폴리에틸렌수지를 산화분해시키는 제2방청레진을 형성하는 제3혼합교반단계; 및A second anti-rust resin which oxidizes and decomposes the polypropylene and polyethylene resin with the metal by mixing and stirring the polyethylene resin, the polyolefin resin and the metal having a thermal conductivity of at least 200 Kcal / mhr ° C. to the first rust preventive resin. A third mixed stirring step of forming a; And 상기 제2방청레진을 마대 내측면에 코팅하는 코팅단계를 구비하며,It is provided with a coating step of coating the second anti-rust resin on the inner surface of the sack, 상기 폴리에틸렌수지 1000중량부에 대해서 상기 벤조산 나트륨은 0.5중량부 내지 1.5중량부이고, 상기 메타규산나트륨은 0.1중량부 내지 0.6중량부이고, 상기 몰리브덴산나트륨은 1.2중량부 내지 2중량부이고, 상기 벤조트리아졸은 0.5중량부 내지 1.5중량부이고, 상기 나트라졸은 0.3중량부 내지 0.6중량부이고, 상기 분산제는 1중량부 내지 1.5중량부이고, 상기 폴리올레핀수지는 500중량부 내지 600중량부인 것을 특징으로 하는 기화성 방청레진이 코팅된 마대 제조방법.The sodium benzoate is 0.5 parts by weight to 1.5 parts by weight, the sodium metasilicate is 0.1 parts by weight to 0.6 parts by weight, and the sodium molybdate is 1.2 parts by weight to 2 parts by weight based on 1000 parts by weight of the polyethylene resin. The benzotriazole is 0.5 to 1.5 parts by weight, the natrazole is 0.3 to 0.6 parts by weight, the dispersing agent is 1 to 1.5 parts by weight, the polyolefin resin is 500 to 600 parts by weight A method of manufacturing a hemp coated coating characterized in that the vaporizing anti-rust resin. 삭제delete 제 1 항에 있어서, 상기 금속은 구리금속으로 입자크기는 10㎚～800㎚이고, 상기 분산제는 스테아린산 아연인 것을 특징으로 하는 기화성 방청레진이 코팅된 마대 제조방법.The method according to claim 1, wherein the metal is copper metal, the particle size is 10nm ~ 800nm, and the dispersant is zinc stearate zinc coated coating method according to claim. 제 1 항에 있어서, 상기 코팅단계는 상기 제2방청레진을 직접 분사방식으로 상기 마대 내측면에 코팅하는 것을 특징으로 하는 기화성 방청레진이 코팅된 마대 제조방법.The method according to claim 1, wherein the coating step is a method for producing a vaporized rustproof resin-coated hemp characterized in that the coating on the inner surface of the stem by the direct injection method.
KR1020090048432A 2009-06-02 2009-06-02 gunny bag manufacturing method coated volatile corrosion inhibitor resin KR101133182B1 (en)

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Publication number Priority date Publication date Assignee Title
KR970001432A (en) * 1995-06-23 1997-01-24 이덕림 Antibacterial Resin Composition
KR20020031446A (en) * 2000-10-20 2002-05-02 정용주 Volatile Corrosion Inhibitor packing paper
JP2003261816A (en) * 2002-03-06 2003-09-19 Chugoku Marine Paints Ltd Soil-resistant paint composition, coating film made from this composition, substrate coated with this coating film and soil-resistant process
KR20050107686A (en) * 2004-05-10 2005-11-15 주식회사 키러스트 Volatile corrosion inhibitor film and production method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970001432A (en) * 1995-06-23 1997-01-24 이덕림 Antibacterial Resin Composition
KR20020031446A (en) * 2000-10-20 2002-05-02 정용주 Volatile Corrosion Inhibitor packing paper
JP2003261816A (en) * 2002-03-06 2003-09-19 Chugoku Marine Paints Ltd Soil-resistant paint composition, coating film made from this composition, substrate coated with this coating film and soil-resistant process
KR20050107686A (en) * 2004-05-10 2005-11-15 주식회사 키러스트 Volatile corrosion inhibitor film and production method thereof

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