KR101056912B1 - Mulching material manufacturing method for crop cultivation and mulching material manufactured by the method - Google Patents

Mulching material manufacturing method for crop cultivation and mulching material manufactured by the method Download PDF

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KR101056912B1
KR101056912B1 KR1020090122847A KR20090122847A KR101056912B1 KR 101056912 B1 KR101056912 B1 KR 101056912B1 KR 1020090122847 A KR1020090122847 A KR 1020090122847A KR 20090122847 A KR20090122847 A KR 20090122847A KR 101056912 B1 KR101056912 B1 KR 101056912B1
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crop cultivation
mulching material
sheet
mulching
natural cotton
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KR1020090122847A
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KR20110066273A (en
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김기문
박근실
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김기문
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protecting plants
    • A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
    • A01G13/0256—Ground coverings
    • A01G13/0262—Mulches, i.e. covering material not-pre-formed in mats or sheets
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protecting plants
    • A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
    • A01G13/0256—Ground coverings
    • A01G13/0268—Mats or sheets, e.g. nets or fabrics
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00—Cultivation of specific crops or plants not otherwise provided for

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Botany (AREA)
  • Protection Of Plants (AREA)
  • Catching Or Destruction (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

본 발명은 작물재배용 멀칭재 제조방법 및 그 방법에 의해 제조된 멀칭재에 관한 것으로, 작물재배용 멀칭재 제조방법에 있어서; 스펀레이스 부직포 원단으로 이루어진 기본재 위에 천연솜을 배치하여 천연솜층을 형성하고, 이들을 니들 펀칭하여 결속하는 것에 의해 하나의 시트형 몸체를 이루도록 하는 제1단계와; 상기 제1단계 후 니들 펀칭된 시트형 몸체의 분해속도와 강도를 조절할 수 있도록 상면에 메틸셀룰로오스계 유기바인더인 CMC를 바인딩시키는 제2단계와; 상기 제2단계 후 상기 시트형 몸체의 상면에 차광 효능을 높이고, 잡초 생육 억제 효능을 지속시키기 위해 착색하는 제3단계와; 상기 제3단계 후 pH조절제를 첨가하여 상기 시트형 몸체의 pH가 알카리성이 되도록 인위적으로 조절하는 제4단계를 포함하여 구성되는 작물재배용 멀칭재 제조방법을 제공한다.The present invention relates to a method for producing mulch material for crop cultivation and a mulch material produced by the method, in the method for producing mulch material for crop cultivation; A first step of forming a natural cotton layer by placing a natural cotton on a base material made of a spunlace nonwoven fabric, and forming a sheet-like body by needle punching and binding the natural cotton layer; A second step of binding the CMC, which is a methylcellulose-based organic binder, to the upper surface to control the decomposition speed and the strength of the needle-punched sheet-shaped body after the first step; A third step of increasing the light blocking effect on the upper surface of the sheet-like body after the second step and coloring the same to maintain weed growth inhibition effect; It provides a method for producing a mulching material for crop cultivation comprising a fourth step of artificially adjusting the pH of the sheet-shaped body by adding a pH adjusting agent after the third step to be alkaline.

본 발명에 따르면, 멀칭재 고유의 기능인 보온, 보습 효과는 물론 이에 더하여 강도 향상에 따른 분해속도 조절 가능, 차광효과 향상에 따른 잡초 생성 억제, pH 조절에 따른 중화작용으로 토질 개선 효과 등을 얻을 수 있다.According to the present invention, the intrinsic function of the mulching material, heat retention, moisturizing effect, as well as can be controlled in addition to the decomposition rate according to the improvement of strength, weed generation suppression by improving the shading effect, the soil improvement effect by neutralization according to the pH control can be obtained have.

작물재배, 멀칭재, 스펀레이스, pH조절 Crop Cultivation, Mulching Materials, Spunlace, pH Control

Description

작물재배용 멀칭재 제조방법 및 그 방법에 의해 제조된 멀칭재{METHOD FOR MANUFACTURING MULCHING MATERIAL USING CULTURING PLANT AND MULCHING MATERIAL MANUFACTURED THAT}Method for producing mulching material for crop cultivation and mulch material produced by the method TECHNICAL FIELD

본 발명은 작물재배용 멀칭재 제조방법 및 그 방법에 의해 제조된 멀칭재에 관한 것으로, 보다 상세하게는 보온, 보습, 잡초 생육억제에 더하여 강도증가 및 산성화된 토양을 중성화시켜 토질 향상과 작물의 해충피해를 줄일 수 있도록 개선된 작물재배용 멀칭재 제조방법 및 그 방법에 의해 제조된 멀칭재에 관한 것이다.The present invention relates to a method for producing mulch material for crop cultivation and mulch material produced by the method, and more particularly, in addition to insulation, moisturizing and weed growth inhibition, by increasing the strength and neutralizing the acidified soil to improve soil quality and crop pests. It relates to a method for producing mulching material for crop cultivation improved to reduce the damage and the mulching material produced by the method.

일반적으로, 멀칭(mulching)이란 농작물을 재배할 때 경지토양의 표면을 덮어주는 것을 말하는 것으로, 작물의 생육에 필요한 온도 및 수분을 적절하게 유지하고, 작물의 뿌리를 보호하며, 잡초 등이 자라지 못하도록 하는 용도로 사용된다.In general, mulching refers to covering the surface of arable soil when growing crops, and maintaining the temperature and moisture necessary for the growth of crops, protecting the roots of crops, and preventing weeds from growing. It is used for the purpose.

이에 사용되는 멀칭재로는 보통 저가이며 사용이 간편한 비닐 수지를 많이 이용하고 있는데, 특히, 경사져 있거나 관개시설이 미비하여 강우량에 의존할 수밖에 없는 경작지에는 멀칭재의 사용이 거의 필수적이라고 할 수 있다.The mulching material used is usually a low cost and easy to use a lot of vinyl resin, in particular, the use of mulching material is almost essential in arable land that can not be inclined or dependent on rainfall due to insufficient irrigation facilities.

그런데, 이와 같은 보편화 된 종래 멀칭재의 경우에는 토양의 수분 또는 보온성을 유지할 수는 있으나 토양에 산소 공급이 원활하지 못하여 작물 뿌리의 발육 이 왕성하지 못한 문제점이 있다.By the way, in the case of such a generalized mulching material can maintain the moisture or warmth of the soil, but there is a problem that the growth of the crop root is not active because the oxygen supply to the soil is not smooth.

또한, 작물 수확이 끝나고 다음 작물을 재배하기 위해서는 이전 비닐 멀칭재를 제거하여야 하는 번거로움이 있다.In addition, there is a hassle to remove the previous vinyl mulching material in order to grow the next crop after the crop harvest.

최근에는 자연상태에서 생분해가능한 멀칭재에 대한 연구가 심도있게 진행되어 왔으며, 그 일환으로 국내특허 제545271호 외 다량의 개량기술들이 개시된 바 있다.Recently, researches on biodegradable mulching materials in nature have been conducted in depth, and as a part thereof, a number of improvement techniques other than Korean Patent No. 554571 have been disclosed.

개시된 바에 따르면, 친환경 생분해성 농업용 멀칭필름으로, 스테아린산, 중질탄산칼슘, 비닐케톤계공중합폴리머, 폴리에틸렌왁스, 젖당, 에틸아세테이트, 메타크릴레이트, 가루우유, 이소부틸알콜, 벤젠과 LMPE를 혼합한 생분해성화합물에 LDPE, LLDPE, HDPE, PSP와 PP 어느 하나 또는 이들을 혼합한 플라스틱 수지를 혼합가공후 압출한 것들, 그리고 짚이나 건초를 개량한 것으로부터 폴리머 필름에 이르기까지 다양하다.According to the disclosed bio-degradable agricultural mulching film, stearic acid, heavy calcium carbonate, vinyl ketone copolymer polymer, polyethylene wax, lactose, ethyl acetate, methacrylate, powdered milk, isobutyl alcohol, benzene and LMPE The polymers range from LDPE, LLDPE, HDPE, PSP and PP, or any combination of extruded and extruded plastic resins, from straw or hay to polymer films.

그러나, 지금까지 개시된 멀칭재 관련 기술들은 작물에 촛점이 맞추어진 상태로 개량되어 왔기 때문에 토양 자체에서 생기는 문제를 극복할 수 없다는 한계를 가진다.However, the mulching material related technologies disclosed so far have been limited in that they can not overcome the problems caused by the soil itself because they have been improved in a crop-focused state.

특히, 폴리머 필름 형태를 통해 멀칭재 자체의 강도 개선효과는 있으나 토양의 중화작용을 유도하여 토질을 개선할 수 있는 구체적인 기술에 대한 개시는 없었다.In particular, although there is an effect of improving the strength of the mulching material itself through the polymer film form, there is no disclosure of a specific technology that can improve the soil quality by inducing soil neutralization.

본 발명은 상술한 바와 같은 종래 기술상의 제반 문제점들을 감안하여 이를 해결하고자 창출된 것으로, 보다 친환경적이면서 보온, 보습 등의 기본 기능외에 강도가 향상되어 분해속도가 조절되고, 차광율을 높여 잡초 생성을 억제하며, 무엇보다도 pH 조절 기능을 통해 토질 개선 효과를 얻을 수 있는 새로운 형태의 작물재배용 멀칭재 제조방법 및 그 방법에 의해 제조된 멀칭재를 제공함에 그 주된 해결 과제가 있다.The present invention was created in view of the above-mentioned problems in the prior art as described above, which is more environmentally friendly and improves strength in addition to basic functions such as keeping warm and moisturizing, so that the decomposition rate is controlled and the shading rate is increased to produce weeds. The main problem is to provide a new method of producing mulching material for crop cultivation and a mulching material produced by the method, which can suppress and, above all, improve soil quality through a pH control function.

본 발명은 상기한 해결 과제를 달성하기 위한 수단으로, 작물재배용 멀칭재 제조방법에 있어서; 스펀레이스 부직포 원단으로 이루어진 기본재 위에 천연솜을 배치하여 천연솜층을 형성하고, 이들을 니들 펀칭하여 결속하는 것에 의해 하나의 시트형 몸체를 이루도록 하는 제1단계와; 상기 제1단계 후 니들 펀칭된 시트형 몸체의 분해속도와 강도를 조절할 수 있도록 상면에 메틸셀룰로오스계 유기바인더인 CMC를 바인딩시키는 제2단계와; 상기 제2단계 후 상기 시트형 몸체의 상면에 차광 효능을 높이고, 잡초 생육 억제 효능을 지속시키기 위해 착색하는 제3단계와; 상기 제3단계 후 pH조절제를 첨가하여 상기 시트형 몸체의 pH가 알카리성이 되도록 인위적으로 조절하는 제4단계를 포함하여 구성되는 것을 특징으로 하는 작물재배용 멀칭재 제조방법을 제공한다.The present invention as a means for achieving the above object, in the method for producing mulching material for crop cultivation; A first step of forming a natural cotton layer by placing a natural cotton on a base material made of a spunlace nonwoven fabric, and forming a sheet-like body by needle punching and binding the natural cotton layer; A second step of binding the CMC, which is a methylcellulose-based organic binder, to the upper surface to control the decomposition speed and the strength of the needle-punched sheet-shaped body after the first step; A third step of increasing the light blocking effect on the upper surface of the sheet-like body after the second step and coloring the same to maintain weed growth inhibition effect; It provides a method for producing mulching material for crop cultivation comprising the fourth step of artificially adjusting the pH of the sheet-shaped body by adding a pH adjusting agent after the third step to be alkaline.

본 발명에 따르면, 멀칭재 고유의 기능인 보온, 보습 효과는 물론 이에 더하여 강도 향상에 따른 분해속도 조절 가능, 차광효과 향상에 따른 잡초 생성 억제, pH 조절에 따른 중화작용으로 토질 개선 효과 등을 얻을 수 있다.According to the present invention, the intrinsic function of the mulching material, heat retention, moisturizing effect, as well as can be controlled in addition to the decomposition rate according to the improvement of strength, weed generation suppression by improving the shading effect, the soil improvement effect by neutralization according to the pH control can be obtained have.

이하에서는, 첨부도면을 참고하여 본 발명에 따른 바람직한 실시예를 보다 상세하게 설명하기로 한다.Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment according to the present invention.

도 1은 본 발명에 따른 멀칭재의 구조를 보인 예시적인 단면도이고, 도 2는 본 발명에 따른 멀칭재의 제조방법을 보인 플로우챠트이다.1 is an exemplary cross-sectional view showing a structure of a mulching material according to the present invention, Figure 2 is a flow chart showing a manufacturing method of the mulching material according to the present invention.

도 1 및 도 2에 도시된 바와 같이, 본 발명에 따른 멀칭재는 스펀레이스 부직포 원단(Spunlace Nonwovens Fabric)을 기본재(100)로 하고, 상기 기본재(100)의 상부에 천연솜층(200)을 형성하며, 상기 기본재(100)와 천연솜층(200)을 니들 펀칭에 의해 결속하여 하나의 몸체를 이루도록 한 결속부(300)를 포함하여 구성된다.As shown in Figure 1 and 2, the mulching material according to the present invention is a spunlace nonwoven fabric (Spunlace Nonwovens Fabric) as the base material 100, the natural cotton layer 200 on top of the base material 100 It is formed, and comprises a binding portion 300 to form the body by binding the base material 100 and the natural cotton layer 200 by needle punching.

이때, 상기 기본재(100)인 스펀레이스 부직포 원단은 고압의 물을 노즐로 분사시켜 섬유가 서로 엉키도록 한 부직포로, 물의 흐름으로 섬유를 엉키도록 한 것이기 때문에 섬유의 손상이 거의 없고 모양이 좋으며 니트와 유사한 조직을 갖는다.At this time, the spunlace nonwoven fabric of the base material 100 is a nonwoven fabric in which the fibers are entangled with each other by injecting water with a high pressure nozzle, thereby tangling the fibers with the flow of water, and thus almost no damage to the fibers and the shape is good. It has a structure similar to a knit.

따라서, 이러한 스펀레이스 부직포 원단은 조직이 촘촘하고 부드러운 특징을 갖는다.Thus, these spunlace nonwoven fabrics have a dense and soft texture.

특히, 제트수류를 웨브에 분사하여 섬유를 결합하는 방법인 SL법에 의한 스런레이스 부직포 원단은 대량생산이 가능하고, 제트수류를 받는 웨브 밑에 설치된 판의 패턴에 따라 다양한 디자인을 얻을 수 있으며, 접착제를 사용하지 않기 때문에 드레이프성·흡수성·벌키성 등이 우수하다.In particular, the varnish lace nonwoven fabric produced by the SL method, which is a method of injecting jet water into the web to bond fibers, can be mass-produced, and various designs can be obtained according to the pattern of the plate installed under the web receiving the jet water. It is excellent in drape, water absorption, bulkiness, etc. because it is not used.

원료로는 주로 폴리에스터·레이온·펄프가 사용되어 왔으나, 최근에는 아라미드 섬유·면·나일론·아크릴, 펄프 등의 다양한 원료를 사용하여 제품화가 가능하게 되었다.Polyester, rayon, and pulp have been mainly used as raw materials, but in recent years, commercialization has been possible using various raw materials such as aramid fibers, cotton, nylon, acrylic, and pulp.

그리고, 천연솜층(Cotton Layer)(200)은 본 발명에 따른 멀칭재의 두께를 일정하게 유지시키면서 후술되는 바인딩 및 착색이 잘 되도록 가공된 원료로서, 보온ㆍ수분 증발억제를 위해 사용된다.The cotton layer 200 is a raw material processed to be well bound and colored as described below while maintaining a constant thickness of the mulching material according to the present invention.

상기 천연솜층(200)에 사용되는 솜은 천연솜으로서, 토양에 유기물을 공급하면서 토양의 습도를 조절하는 기능을 갖는다.Cotton used in the natural cotton layer 200 is a natural cotton, it has a function of controlling the humidity of the soil while supplying organic matter to the soil.

이러한 천연솜은 탄력이 있고, 복원성이 좋으며, 광택이 있고, 찰기가 많다. 특히, 본 발명에서는 상기 천연솜 중에서 솜을 펼 때 잘 끊어지지 않는 것을 사용함이 좋다.Such natural cotton is elastic, good restorative, glossy and sticky. In particular, in the present invention, it is good to use those that do not break well when spreading the cotton among the natural cotton.

또한, 본 발명에 따른 멀칭재는 상기 기본재(100)와 천연솜층(200)이 니들 펀칭에 의한 결속부(300)를 통해 결속되어 일체화됨으로써 하나의 시트 형태를 가진다.In addition, the mulching material according to the present invention has a sheet form by being integral with the base material 100 and the natural cotton layer 200 through the binding unit 300 by the needle punching.

이를 통해, 본 발명 멀칭재는 기본재(100)와 천연솜층(200)이 결속부(300)에 의해 결속되어 있으므로 기계적 성질, 즉 강도가 증가하고, 압착된 상태로 촘촘하면서 미세한 기공을 형성하므로 흡습성은 향상되고 잡초의 생육은 억제하게 된다.Through this, the mulching material of the present invention is hygroscopic because the base material 100 and the natural cotton layer 200 is bound by the binding part 300, so that the mechanical properties, that is, the strength is increased, and form fine pores in a compressed state. Is improved and weed growth is suppressed.

이와 같이, 본 발명에 따른 멀칭재는 상술한 구조를 베이스로 하고, 여기에 부가적인 구성이 더 첨가되어 최종적인 멀칭재를 구현하게 되는데, 예컨대 도 2에서와 같이, 먼저 상술한 층상 구조를 갖도록 기본재(100)와 천연솜층(200) 및 결속부(300)를 구성하여 하나의 시트를 만드는 제1단계(S100)가 수행된다.As such, the mulching material according to the present invention is based on the above-described structure, and an additional configuration is further added thereto to implement the final mulching material, for example, as shown in FIG. The first step (S100) of forming a sheet by configuring the ash 100, natural cotton layer 200 and the binding unit 300 is performed.

이어, 상기 층상 구조를 갖는 본 발명 멀칭재에 메틸셀룰로오스계의 유기바인더인 CMC를 바인딩시키는 제2단계(S110)가 수행된다.Subsequently, a second step (S110) of binding the CMC, which is an organic binder of methyl cellulose, to the mulching material of the present invention having the layered structure is performed.

상기 CMC(카루복시메틸셀룰로오스)는 펄프를 주된 구성체로 하고 있는데, 즉 나무를 갈아서 만들어진 펄프에 가성소다를 넣어 알카리화 된 식물성으로 만들고, 여기에 모노클로르 초산 소다를 첨가하여 제조되는 천연 풀의 일종이다.The CMC (carboxymethyl cellulose) is made of pulp as a main component, that is, a kind of natural grass prepared by adding caustic soda to pulp made by grinding wood into an alkaline vegetable, and adding monochloric acid acetate to it. to be.

이러한 CMC를 본 발명 멀칭재에 바인딩시키는 이유는 니들 펀칭된 멀칭재의 분해속도를 조절하고, 또한 강도를 조절하기 위한 것으로, 화학바인더를 사용하게 되면 유해하기 때문에 식용이 가능할 정도로 인체에 전혀 해를 주지 않는 천연바인더인 CMC를 첨가시키는 것이 특히 바람직하다.The reason for binding the CMC to the mulching material of the present invention is to control the decomposition rate of the punched mulching material and also to control the strength, and it is harmful to the human body so that it is edible because the chemical binder is harmful. Particular preference is given to adding CMC, which is a natural binder.

뿐만 아니라, 상기 CMC는 자체적으로 알카리성을 갖기 때문에 작물 재배년수가 길어질수록 산성화되는 토양을 중화시켜 토질을 개선하는데에도 일조하게 된다.In addition, since the CMC has alkalinity by itself, it helps to improve soil quality by neutralizing soil acidified as crop growing years become longer.

이후, 차광의 효과를 높이고 잡초 생육 억제 효과를 지속시키기 위해 착색하는 제3단계(S120)가 수행된다.Thereafter, a third step S120 of coloring to increase the effect of shading and to maintain the effect of inhibiting weed growth is performed.

이때, 상기 착색을 위한 착색제로는 검정색 계열의 불투명 색상이 바람직하다.In this case, as the colorant for the coloring is preferably black opaque color.

마지막으로, 상기 제3단계(S120)를 거쳐 착색이 완료되면 산성화 된 토양의 중화를 위해 알칼리 성분을 첨가하는 pH조절 단계인 제4단계(S130)가 수행된다.Finally, when the coloring is completed through the third step (S120), a fourth step (S130), which is a pH adjusting step of adding an alkali component for neutralization of the acidified soil, is performed.

상기 제4단계(S130)는 pH조절제를 본 발명 멀칭재에 첨가하여 멀칭재의 pH가 알카리성이 되도록 인위적으로 조절하는 것으로 말하며, 이를 통해 토질을 향상시키고, 작물의 해충 피해를 예방하게 된다.The fourth step (S130) is to artificially adjust the pH of the mulching material by adding a pH regulator to the mulching material of the present invention to be alkaline, thereby improving the soil quality and prevent pest damage of the crop.

특히, 본 발명에서 사용되는 pH조절제로는 물유리 수용액이나 탄산염 또는 중탄산염과 같은 알칼리성염이 바람직하다.In particular, the pH adjusting agent used in the present invention is preferably an aqueous solution of water glass or an alkaline salt such as carbonate or bicarbonate.

이상에서 설명한 바와 같이, 본 발명에 따른 멀칭재는 토양은 물론 작물에도 유해한 화학접착제를 사용하지 않고, 성분 모두 친환경적인 천연소재를 사용하여 제조됨은 물론 알카리성을 갖는 CMC는 물론 추가적으로 첨가된 pH조절제에 의해 알카리성을 가지므로 산성인 토양과 결합하여 중화작용을 유도하고, 이를 통해 건강한 토양을 만들 수 있어 그 효용도가 높다고 할 것이다.As described above, the mulching material according to the present invention does not use harmful chemical adhesives on soil as well as crops, and all ingredients are manufactured using environmentally friendly natural materials, as well as an alkaline CMC, as well as an additional pH regulator. Since it has alkalinity, it can be combined with acidic soils to induce neutralization, and through this, it can make healthy soils, and its utility is high.

도 1은 본 발명에 따른 멀칭재의 구조를 보인 예시적인 단면도,1 is an exemplary cross-sectional view showing the structure of a mulching material according to the present invention,

도 2는 본 발명에 따른 멀칭재의 제조방법을 보인 플로우챠트.Figure 2 is a flow chart showing a method of manufacturing a mulching material according to the present invention.

♧ 도면의 주요 부분에 대한 부호의 설명 ♧♧ description of the symbols for the main parts of the drawing ♧

100....기본재 200....천연솜층100 .... basic 200 .... natural cotton layer

300....결속부300 .... Binding

Claims (4)

작물재배용 멀칭재 제조방법에 있어서;In the method of producing mulching material for crop cultivation; 스펀레이스 부직포 원단으로 이루어진 기본재 위에 천연솜을 배치하여 천연솜층을 형성하고, 이들을 니들 펀칭하여 결속하는 것에 의해 하나의 시트형 몸체를 이루도록 하는 제1단계와;A first step of forming a natural cotton layer by placing a natural cotton on a base material made of a spunlace nonwoven fabric, and forming a sheet-like body by needle punching and binding the natural cotton layer; 상기 제1단계 후 니들 펀칭된 시트형 몸체의 분해속도와 강도를 조절할 수 있도록 상면에 메틸셀룰로오스계 유기바인더인 CMC를 바인딩시키는 제2단계와;A second step of binding the CMC, which is a methylcellulose-based organic binder, to the upper surface to control the decomposition speed and the strength of the needle-punched sheet-shaped body after the first step; 상기 제2단계 후 상기 시트형 몸체의 상면에 차광 효능을 높이고, 잡초 생육 억제 효능을 지속시키기 위해 착색하는 제3단계와;A third step of increasing the light blocking effect on the upper surface of the sheet-like body after the second step and coloring the same to maintain weed growth inhibition effect; 상기 제3단계 후 pH조절제를 첨가하여 상기 시트형 몸체의 pH가 알카리성이 되도록 인위적으로 조절하는 제4단계를 포함하여 구성되는 것을 특징으로 하는 작물재배용 멀칭재 제조방법.And a fourth step of artificially adjusting the pH of the sheet-shaped body to be alkaline by adding a pH adjusting agent after the third step. 청구항 1에 있어서;The method according to claim 1; 상기 제3단계에서 사용되는 착색용 착색제는 검정색 계열의 불투명인 것을 특징으로 하는 작물재배용 멀칭재 제조방법.Coloring agent used in the third step is a method for producing mulching material for crop cultivation, characterized in that the opaque of the black series. 청구항 1에 있어서;The method according to claim 1; 상기 제4단계에서 사용되는 pH조절제는 물유리 수용액이나 탄산염 또는 중탄 산염인 것을 특징으로 하는 작물재배용 멀칭재 제조방법.The pH adjusting agent used in the fourth step is a method for producing mulching material for crop cultivation, characterized in that the aqueous glass solution or carbonate or bicarbonate. 청구항 1 내지 청구항 3 중에서 선택된 어느 한 항의 방법에 의해 제조된 작물재배용 멀칭재.Mulching material for crop cultivation produced by the method of any one of claims 1 to 3.
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KR101454576B1 (en) * 2014-07-01 2014-10-28 김종구 Non-woven fabric for agriculture
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