KR200342175Y1 - Adiabatic wrapping film - Google Patents

Adiabatic wrapping film Download PDF

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Publication number
KR200342175Y1
KR200342175Y1 KR20-2003-0035406U KR20030035406U KR200342175Y1 KR 200342175 Y1 KR200342175 Y1 KR 200342175Y1 KR 20030035406 U KR20030035406 U KR 20030035406U KR 200342175 Y1 KR200342175 Y1 KR 200342175Y1
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KR
South Korea
Prior art keywords
aluminum
synthetic resin
mesh
layer
packaging material
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KR20-2003-0035406U
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Korean (ko)
Inventor
한대규
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한대규
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Priority to KR20-2003-0035406U priority Critical patent/KR200342175Y1/en
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Publication of KR200342175Y1 publication Critical patent/KR200342175Y1/en

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Classifications

    • 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
    • B65D65/40—Applications of laminates for particular packaging purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • 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
    • B65D81/38—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 with thermal insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

본 고안은 단열 보온 포장재에 관한 것으로, 알루미늄 하층(3)과 합성수지(6)를 접착하여 알루미늄-합성수지필름(A)을 형성하고, 상기 알루미늄-합성수지필름(A)과 알루미늄 상층(2)의 사이에 망사(5)를 결합, 완성된 것을 특징으로 하는 단열 보온 포장재(1)이다.The present invention relates to a heat insulating thermal packaging material, by bonding an aluminum lower layer (3) and synthetic resin (6) to form an aluminum-synthetic resin film (A), between the aluminum- synthetic resin film (A) and the aluminum upper layer (2) It is a thermal insulation thermal packaging material 1, characterized in that the mesh 5 is bonded to the completed.

본 고안의 단열 보온 포장재(1)는, 알루미늄 상층(2)-망사(5)-합성수지(6)-알루미늄 하층(3)으로 구성된 것으로, 동일 물성의 알루미늄 상,하층(2),(3) 사이에 망사(5)와 합성수지(6)를 접합함으로써, 전체적으로 조직이 치밀해지면서 기존의 알루미늄-망사-PVC 제품에 비해 난연성 향상과 함께, 화재 시 유독가스 발생량을 감소시킬 수 있는 점이 특징이다.The heat insulating insulating package 1 of the present invention is composed of the upper aluminum layer 2, the mesh 5, the synthetic resin 6, and the lower aluminum layer 3, and the upper, lower layers 2, 3 of the same physical property. By joining the mesh (5) and the synthetic resin (6) in between, as the overall structure becomes dense, compared with the existing aluminum-mesh-PVC products, it is characterized in that it is possible to reduce the amount of toxic gas in the event of fire.

Description

단열 보온 포장재{ADIABATIC WRAPPING FILM}Insulation Thermal Insulating Packaging Material {ADIABATIC WRAPPING FILM}

본 고안은 단열 보온 포장재에 관한 것으로, 알루미늄 하층과 합성수지를 접착하여 알루미늄-합성수지필름을 형성하고, 상기 알루미늄-합성수지필름과 알루미늄 상층의 사이에 망사를 결합, 완성된 것을 특징으로 하는 단열 보온 포장재이다.The present invention relates to an insulating heat insulating packaging material, which is formed by bonding an aluminum lower layer and a synthetic resin to form an aluminum-resin film, and combining the mesh between the aluminum-synthetic resin film and the aluminum upper layer to complete the insulating heat insulating packaging material. .

본 고안의 단열 보온 포장재는, 알루미늄 상층-망사-합성수지-알루미늄 하층으로 구성된 것으로, 동일 물성의 알루미늄 상,하층 사이에 망사와 합성수지를 접합함으로써, 전체적으로 조직이 치밀해지면서 기존의 알루미늄-망사-PVC 제품에 비해 난연성 향상과 유독가스 발생량을 감소시킬 수 있는 점이 특징이다.The thermal insulation packaging material of the present invention is composed of an upper layer of aluminum, a mesh, a synthetic resin, and a lower layer of aluminum, and by joining a mesh and a synthetic resin between the upper and lower layers of aluminum of the same physical property, the structure becomes dense as a whole and the existing aluminum-mesh-PVC Compared to the product, it is characterized by improved flame retardancy and reduction of toxic gas generation.

통상, 알루미늄은 전성, 연성이 풍부하고 비중이 작으며, 열이나 전기의 전도성이 크고 대기 중에서의 내식성이 강하기 때문에, 판재, 박재, 봉재, 선재, 관재, 형재 등 여러가지 형태로 가공되어 이용되고 있다.In general, aluminum is rich in malleability, ductility, low specific gravity, high conductivity of heat and electricity, and strong corrosion resistance in the air. Therefore, aluminum is processed and used in various forms such as plate, foil, rod, wire, pipe, and shape. .

알루미늄은 중량이 비교적 가볍기 때문에, 이러한 점을 이용하여 항공기, 자동차, 선박, 철도 등 국가 기간산업 분야에 다량 사용되고 있고, 전기의 양도체인 점을 이용하여 송전선 등에 사용되기도 한다.Since aluminum is relatively light in weight, it is widely used in national infrastructure industries such as aircraft, automobiles, ships, railways, etc., and is also used in power transmission lines and the like by using electricity transfer points.

특히, 식품산업이나 식기류에서 알루미늄이 많이 사용되고 있는 것은 내식성과 인체에 해가 없다는 점 때문이고, 그 밖에, 페인트, 포장재, 건축재료 및 원자로재 등으로 그 용도는 계속 확충되어 가고 있는 것이 사실이다.In particular, aluminum is widely used in the food industry and tableware because of its corrosion resistance and no harm to the human body. In addition, its use is continuously expanding to paints, packaging materials, building materials, and reactor materials.

알루미늄 제품 가운데, 공사 현장이나 연구소, 산업체, 유흥음식점 등에서사용되는 닥트나 후드 등의 배기 시스템을 포장, 유지하거나, 혹은 건설현장이나 각종 구조물에 알루미늄 박지가 사용되고 있다.Among aluminum products, aluminum foils are used for packaging and maintaining exhaust systems such as ducts and hoods used in construction sites, research institutes, industries, and entertainment restaurants, or for construction sites and various structures.

이러한 알루미늄 박지는 그 두께가 보통 수 ㎛ 정도의 얇은 판지로서, 단순한 포장의 용도 이외에 보온 및 단열의 효과를 높이는 것으로, 건축재의 난연재로서도 사용되고 있다.Such aluminum foil is a thin cardboard having a thickness of about several micrometers. The aluminum foil is used as a flame retardant for building materials to enhance the effect of heat insulation and heat insulation in addition to the use of simple packaging.

예컨대, 도3에는 종래의 알루미늄제 포장재가 개시되어 있는데, 알루미늄 박지(11)의 일면에 PVC(13)를 접착하되, 그 사이에 망사(12)를 개재시켜 구성한 것이다.For example, FIG. 3 discloses a conventional aluminum packaging material, in which a PVC 13 is adhered to one surface of an aluminum foil 11, and a mesh 12 is interposed therebetween.

그런데, 이러한 구성의 포장재는 일부 보온 단열의 기능은 있으나, 화재 시에 유독가스가 발생하고, 소재로서 열에 약한 PVC가 사용되고 있을 뿐만 아니라 사용된 PVC소재도 포장재의 외면에 그대로 노출되어, 기후에 따른 강도의 변화가 심하며, 열이나 화재 시 유독가스의 치명적인 결점이 있었다.By the way, the packaging material of this configuration has a function of thermal insulation, but in the event of fire, toxic gas is generated, and the weak PVC is used as a material as well as the used PVC material is exposed to the outer surface of the packaging material as it is, according to the climate The intensity was severe and there was a fatal flaw in toxic gases during heat or fire.

따라서, 본 고안에서는 상기 종래의 문제점을 감안하여 이루어진 것으로, 알루미늄 하층과 합성수지를 접착하여 알루미늄-합성수지필름을 형성하고, 상기 알루미늄-합성수지필름과 알루미늄 상층의 사이에 망사를 결합, 완성시켜, 알루미늄 상층-망사-합성수지-알루미늄 하층으로 구성된 것으로, 동일 물성의 알루미늄 상,하층 사이에 망사와 합성수지를 접합함으로써, 기존의 알루미늄-망사-PVC 제품에 비해 난연성이 우수하고, 화재 시에 유독가스가 발생하지 않으며, 포장재로서의 유연성을 갖춘 단열 보온 포장재를 제공하고자 한다.Therefore, the present invention was made in view of the above-mentioned conventional problems, by bonding an aluminum lower layer and a synthetic resin to form an aluminum-synthetic resin film, by combining and completing a mesh between the aluminum-synthetic resin film and the upper aluminum layer, the upper aluminum layer -It is composed of mesh-synthetic resin-aluminum lower layer. By bonding mesh and synthetic resin between upper and lower layers of aluminum of the same property, it has better flame retardancy than existing aluminum-mesh-PVC products and does not generate toxic gas in case of fire. And, to provide a heat insulating thermal packaging material having flexibility as a packaging material.

도1은 본 고안의 단열 보온 포장재의 사시도1 is a perspective view of the thermal insulation thermal packaging material of the present invention

도2는 도1의 일부 확대 단면도2 is a partially enlarged cross-sectional view of FIG.

도3은 종래 포장재의 단면도3 is a cross-sectional view of a conventional packaging material

※ 도면 중의 주요 부분에 대한 부호의 설명※ Explanation of code about main part in drawing

1 : 포장재 2 : 알루미늄 상층 3 : 알루미늄 하층DESCRIPTION OF SYMBOLS 1 Packing material 2 Upper aluminum layer 3 Lower aluminum layer

4 : 망사 윤곽선 5 : 망사 6 : 합성수지4: mesh contour 5: mesh 6: synthetic resin

A : 알루미늄-합성수지필름A: Aluminum-Resin Film

본 고안의 단열 보온 포장재는, 알루미늄 하층과 합성수지를 접착하여 알루미늄-합성수지필름을 형성하고, 상기 알루미늄-합성수지필름과 알루미늄 상층의 사이에 망사를 결합, 완성된 것을 특징으로 한다.Insulation thermal insulation packaging material of the present invention, by bonding the lower aluminum and the synthetic resin to form an aluminum-synthetic resin film, it is characterized in that the mesh is bonded and completed between the aluminum-synthetic resin film and the upper aluminum layer.

이하, 첨부한 도면을 통하여 본 고안의 구성을 좀더 상세히 설명한다.Hereinafter, the configuration of the present invention in more detail through the accompanying drawings.

도1은 본 고안의 단열 보온 포장재(1)의 사시도를 나타내 보이고 있다.Figure 1 shows a perspective view of the thermal insulation thermal packaging material 1 of the present invention.

도면에서 확인할 수 있는 바와 같이, 상기 본 고안의 단열 보온 포장재(1)는 알루미늄박을 이용한 것으로, 알루미늄 상층(2)과 알루미늄 하층(3)의 2중 합지 형태이다.As can be seen in the figure, the thermal insulation thermal packaging material 1 of the present invention is made of aluminum foil, a double lamination form of the aluminum upper layer (2) and the aluminum lower layer (3).

상기 본 고안의 단열 보온 포장재(1)의 내부에는 망사(후술하는 도2 참조)가 개재된 것으로, 단열 보온 포장재(1)는 외견상 망사윤곽선(4)을 형성한다.The inside of the thermal insulation thermal insulation packaging material 1 of the present invention is interposed with a mesh (see FIG. 2 to be described later), and the thermal insulation thermal insulation packaging material 1 forms a mesh contour 4 in appearance.

도2는 도1의 일부 확대 단면도를 나타내고 있다.FIG. 2 is a partially enlarged cross-sectional view of FIG. 1.

도면에서, 본 고안의 단열 보온 포장재(1)는, 알루미늄 상층(2)-망사(5)-합성수지(6)-알루미늄 하층(3)으로 구성된 것임을 알 수 있다.In the figure, it can be seen that the heat insulating thermal packaging material 1 of the present invention is composed of the upper aluminum layer 2, the mesh 5, the synthetic resin 6, and the lower aluminum layer 3.

여기서, 상기 망사(5)로는 면사, 유리섬유 등 여러 가지가 있을 수 있으나, 본 고안에서는 PET 혹은 난연성의 측면에서 유리섬유가 바람직하다.Here, the mesh 5 may be a variety of cotton yarn, glass fiber, etc., in the present design, glass fiber is preferable in terms of PET or flame retardancy.

또한, 상기 합성수지(6)로는 기존에 사용되고 있는 PVC 대신에 PET 투명필름을 사용함으로써, 재질의 강도를 높이고 내구성을 개선하고자 한다.In addition, the synthetic resin (6) by using a PET transparent film instead of the conventional PVC, to increase the strength of the material and improve the durability.

이하, 상기 구성의 본 고안의 단열 보온 포장재의 제조공정에 대해 설명한다.Hereinafter, the manufacturing process of the heat insulation insulating packaging material of this invention of the said structure is demonstrated.

먼저, 알루미늄 하층(3)과 합성수지(6)를 접착하는 공정으로, 소재인 알루미늄박과 합성수지의 각 롤(도시 생략, 이하 동일)로부터 소재를 인출하면서 그 사이에 접착제를 통과시켜 알루미늄 하층(3)과 합성수지(6)가 접착된 형태의 알루미늄-합성수지필름(A)을 형성한다.First, in the process of adhering the lower aluminum layer 3 and the synthetic resin 6, the raw material is extracted from each roll of the aluminum foil and the synthetic resin (not shown, hereinafter, same) as the raw material, and the adhesive is passed through the lower aluminum layer 3 ) And the synthetic resin (6) to form an aluminum-synthetic resin film (A) bonded.

이어서, 별도의 알루미늄박 롤을 준비하고, 상기 알루미늄-합성수지필름(A)의 성형롤과 상기 별도 준비한 알루미늄박 롤로부터 알루미늄-합성수지필름(A)과 알루미늄박을 각 인출하되, 그 사이에 접착제를 도포하고 열풍 건조기의 터널을 통과시켜 양 시이트간 접착력을 향상시킨다.Subsequently, a separate aluminum foil roll is prepared, and the aluminum-synthetic resin film (A) and the aluminum foil are drawn out from the forming roll of the aluminum-synthetic resin film (A) and the separately prepared aluminum foil roll, respectively, with an adhesive therebetween. Apply and pass through the tunnel of hot air dryer to improve adhesion between both sheets.

그 다음, 상기 열풍 건조기를 거친 알루미늄-합성수지필름(A)과 알루미늄박의 사이에 소정의 망사(5)를 개재시키고, 가압 인출함으로써, 알루미늄 상층(2)-망사(5)-합성수지(6)-알루미늄 하층(3)으로 구성된, 원하는 단열 보온 포장재(1)를 얻게 된다.Next, a predetermined mesh 5 is interposed between the aluminum-synthetic resin film A and the aluminum foil which has passed through the hot air dryer, and is pulled out to obtain the upper aluminum layer 2-mesh 5-synthetic resin 6. A desired heat insulating insulating package 1 composed of an aluminum underlayer 3 is obtained.

여기서, 상기 알루미늄-합성수지필름(A)과 별도 준비한 알루미늄박의 접착부위는, 상기 알루미늄-합성수지필름(A)의 합성수지쪽과 별도 준비한 알루미늄박이 대향 접촉하도록 함으로써, 전체적으로는 상,하 알루미늄박의 사이에 합성수지가 삽입되는 형태로 성형되도록 한다.Here, the bonding portion of the aluminum-synthetic resin film (A) and the aluminum foil prepared separately, the synthetic resin side of the aluminum-synthetic resin film (A) and the aluminum foil prepared separately facing each other, as a whole between the upper and lower aluminum foil It is to be molded in the form that the synthetic resin is inserted into.

따라서, 전체적인 구성에서 볼 때, 상기 알루미늄-합성수지필름(A)의 알루미늄박은 알루미늄 하층(3)이 되고, 알루미늄-합성수지필름(A)과 대향하여 접촉하는 별도의 알루미늄박은 알루미늄 상층(2)으로 성형될 수 있는 것이다.Therefore, in view of the overall configuration, the aluminum foil of the aluminum-synthetic resin film (A) becomes an aluminum lower layer (3), and a separate aluminum foil that is opposed to the aluminum-synthetic resin film (A) is formed into an aluminum upper layer (2). It can be.

또한, 상기 본 고안에서는 알루미늄 상층(2)과 알루미늄 하층(3)의 사이에 망사(5)와 PET 등의 합성수지(6)를 보강, 결합함에 있어, 내부의 합성수지(6)가 비록 그 자체로는 내열성에 약하더라도, 본 고안에서는, 그 사이에 삽입되는 공간이 넓은 망사(5)를 통해 알루미늄 상층(2)과 합성수지(6)가 완전히 밀접하게 된다.Further, in the present invention, in reinforcing and bonding the synthetic resin 6 such as the mesh 5 and the PET between the aluminum upper layer 2 and the aluminum lower layer 3, the internal synthetic resin 6, though itself Although weak in heat resistance, in the present invention, the upper aluminum layer 2 and the synthetic resin 6 are completely in close contact through the mesh 5 having a large space inserted therebetween.

이로 인해, 알루미늄 상층(2)과 알루미늄 하층(3)이 완전 밀착하게 되면서, 전체적으로 조직이 치밀해져 강도가 강화되고, 만일의 화재 시 알루미늄 재질과 동일 유사한 물성을 나타내게 되는 것이다.As a result, the upper aluminum layer 2 and the lower aluminum layer 3 are completely in contact with each other, the structure becomes dense as a whole and the strength is enhanced, and in case of fire, the same physical properties as the aluminum material are exhibited.

이와 같이 하여 얻어진 본 고안의 단열 보온 포장재(1)는, 지하철 공사 현장이나 병원, 아파트, 공학 건물, 대형 운동장 건물 등에서 사용되는 닥트나 배관 보일러 등의 단열 시스템을 구성 유지하거나, 혹은 건설현장이나 각종 구조물을 보온 포장하는데 사용될 수 있다.Thus, the thermal insulation insulation packaging material (1) of this invention obtained by constructing and maintaining the insulation system, such as a duct or a piping boiler used in a subway construction site, a hospital, an apartment, an engineering building, a large playground building, or a construction site or various It can be used to heat wrap the structure.

이상 설명한 바와 같이, 본 고안에 따르면, 동일 물성의 알루미늄 상,하층 사이에 망사와 합성수지를 접합함으로써, 알루미늄 상층-망사-합성수지-알루미늄 하층으로 구성하여, 전체적으로 조직이 치밀해지면서 기존의 알루미늄-망사-PVC 제품에 비해 난연성이 우수하고, 화재 시에 유독가스 발생의 저하로 인하여 관련 분야에의 이용 및 응용이 기대된다 하겠다.As described above, according to the present invention, by joining the mesh and the synthetic resin between the upper and lower layers of aluminum of the same physical property, composed of the upper layer of aluminum-mesh-synthetic resin-aluminum, as the overall structure becomes dense, the existing aluminum-mesh -It is excellent in flame retardancy compared to PVC products, and it is expected to be used and applied in related fields due to the reduction of toxic gas generation in fire.

Claims (2)

알루미늄 하층(3)과 합성수지(6)를 접착하여 알루미늄-합성수지필름(A)을 형성하고, 상기 알루미늄-합성수지필름(A)과 알루미늄 상층(2)의 사이에 망사(5)를 결합, 완성된 것을 특징으로 하는 단열 보온 포장재Bonding the lower aluminum layer (3) and the synthetic resin (6) to form an aluminum-synthetic resin film (A), bonding the mesh 5 between the aluminum-synthetic resin film (A) and the upper aluminum layer (2), completed Insulation thermal insulation packaging material 제1항에 있어서,The method of claim 1, 상기 망사(5)와 합성수지(6)를 PET로 하는 것을 특징으로 하는 단열 보온 포장재Thermal insulation thermal packaging material characterized in that the mesh 5 and the synthetic resin (6) to PET
KR20-2003-0035406U 2003-11-12 2003-11-12 Adiabatic wrapping film KR200342175Y1 (en)

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