KR20010087628A - Multi-Layer Plastic Pipe - Google Patents
Multi-Layer Plastic Pipe Download PDFInfo
- Publication number
- KR20010087628A KR20010087628A KR1020000011490A KR20000011490A KR20010087628A KR 20010087628 A KR20010087628 A KR 20010087628A KR 1020000011490 A KR1020000011490 A KR 1020000011490A KR 20000011490 A KR20000011490 A KR 20000011490A KR 20010087628 A KR20010087628 A KR 20010087628A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- synthetic resin
- gas barrier
- gas
- barrier layer
- Prior art date
Links
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 27
- 239000000057 synthetic resin Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 17
- -1 polybutylene Polymers 0.000 claims abstract description 14
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 8
- 239000004743 Polypropylene Substances 0.000 claims abstract description 7
- 229920001155 polypropylene Polymers 0.000 claims abstract description 7
- 239000004677 Nylon Substances 0.000 claims abstract description 6
- 239000004698 Polyethylene Substances 0.000 claims abstract description 6
- 229920001778 nylon Polymers 0.000 claims abstract description 6
- 229920001748 polybutylene Polymers 0.000 claims abstract description 6
- 229920000573 polyethylene Polymers 0.000 claims abstract description 6
- 239000004715 ethylene vinyl alcohol Substances 0.000 claims abstract description 5
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims abstract description 3
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract 2
- 230000004888 barrier function Effects 0.000 claims description 28
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 49
- 239000002994 raw material Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
-
- 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
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- 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
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
Description
본 발명은 가스를 차단할 수 있도록 가스차단성이 우수한 재질로 이루어진 가스차단층을 보유하며 3층 이상으로 형성되는 다층 합성수지관에 관한 것이다.The present invention relates to a multi-layer synthetic resin tube having a gas barrier layer made of a material having excellent gas barrier properties so as to block gas and formed of three or more layers.
일반적으로 합성수지제 관은 내부식성이 우수하고, 다양한 각도로 굽히는 것이 가능하며, 경량이고 대직경으로 제조할 수 있는 등 여러가지 장점을 갖고 있기 때문에 다양한 용도로 사용된다.In general, synthetic resin pipes are used for various purposes because they have various advantages such as excellent corrosion resistance, bendable at various angles, light weight, and large diameters.
특히 폴리프로필렌수지나 폴레에틸렌수지 등을 이용하여 제조하는 합성수지관은 가격이 저렴하여 폭넓게 이용되고 있다.In particular, synthetic resin tubes produced using polypropylene resin, polyethylene resin, or the like are widely used due to their low price.
일반적인 합성수지관은 하나의 재질로 이루어진 단층으로 형성되어 사용되므로, 복합적인 기능을 필요로 하는 곳에는 사용이 어렵다.General synthetic resin pipe is formed by using a single layer of a single material, so it is difficult to use where a complex function is required.
특히 외부에서 내부로 또는 내부에서 외부로 가스(예를 들면 산소 등)가 침투하는 것을 방지하기 위해서는 특수한 재질로 관을 형성해야 하지만, 이러한 재질은 가격이 비싸므로 원가상승의 부담이 있으며, 기계적 강도가 부족한 경우가 많다.In particular, in order to prevent the penetration of gas (for example, oxygen, etc.) from the outside to the inside or outside, the pipe must be formed of a special material. However, since these materials are expensive, there is a burden of cost increase and mechanical strength. There is often a shortage.
본 발명의 목적은 상기와 같은 문제점을 해결하기 위한 것으로서, 충분한 기계적 강도를 유지하면서 저가이며 가스차단성을 보유하도록 기계적 강도가 우수한 재질로 이루어지는 내층과 외층 사이에 가스차단성이 우수한 재질인 에틸렌비닐알코올수지로 이루어지는 가스차단층을 포함하는 다층 합성수지관을 제공하는 것이다.An object of the present invention is to solve the above problems, the ethylene vinyl alcohol resin is a material excellent in gas barrier properties between the inner layer and the outer layer made of a material having a high mechanical strength and low cost and excellent gas barrier properties while maintaining sufficient mechanical strength It is to provide a multi-layer synthetic resin tube comprising a gas barrier layer consisting of.
도 1은 본 발명에 따른 다층 합성수지관의 일실시예를 나타내는 사시도.1 is a perspective view showing one embodiment of a multi-layer synthetic resin tube according to the present invention.
도 2는 본 발명에 따른 다층 합성수지관의 일실시예를 나타내는 부분확대 단면도.Figure 2 is a partially enlarged cross-sectional view showing an embodiment of a multilayer synthetic resin tube according to the present invention.
도 3은 본 발명에 따른 다층 합성수지관의 일실시예를 제조하는 압출기의 일부를 개략적으로 나타내는 단면도.Figure 3 is a schematic cross-sectional view showing a part of an extruder for producing an embodiment of a multi-layer synthetic resin tube according to the present invention.
본 발명이 제안하는 다층 합성수지관은 기계적 성질이 우수한 재질로 이루어지는 하나이상의 내층 및 외층과, 상기한 내층과 외층 사이에 위치하고 가스차단성이 우수한 재질로 이루어지는 하나이상의 가스차단층을 포함한다.The multilayer synthetic resin tube proposed by the present invention includes at least one inner layer and outer layer made of a material having excellent mechanical properties, and at least one gas barrier layer made of a material having excellent gas barrier properties between the inner layer and the outer layer.
상기한 내층 및/또는 외층은 폴리부틸렌(PB), 폴리프로필렌(PP), 폴리에틸렌(PE) 등의 합성수지로 이루어진다.The inner layer and / or outer layer is made of synthetic resin such as polybutylene (PB), polypropylene (PP), polyethylene (PE) and the like.
상기한 가스차단층은 에틸렌비닐알코올(EVOH), 나일론(nylon) 등의 합성수지로 이루어진다.The gas barrier layer is made of synthetic resin such as ethylene vinyl alcohol (EVOH) and nylon (nylon).
다음으로 본 발명에 따른 다층 합성수지관의 바라직한 실시예를 도면을 참조하여 상세하게 설명한다.Next, a preferred embodiment of the multilayer synthetic resin tube according to the present invention will be described in detail with reference to the drawings.
먼저 본 발명에 따른 다층 합성수지관의 일실시예는 도 1 및 도 2에 나타낸 바와 같이, 기계적 성질이 우수한 재질로 이루어지는 하나이상의 내층(2) 및 외층(4)과, 상기한 내층(2)과 외층(4) 사이에 위치하고 가스차단성이 우수한 재질로 이루어지는 하나이상의 가스차단층(6)을 포함한다.First, an embodiment of the multilayer synthetic resin tube according to the present invention, as shown in Figures 1 and 2, one or more inner layer (2) and outer layer (4) made of a material having excellent mechanical properties, the inner layer (2) and At least one gas barrier layer 6 which is located between the outer layers 4 and is made of a material having excellent gas barrier properties.
상기한 내층(2) 및/또는 외층(4)은 기계적 성질이 우수한 폴리부틸렌(PB), 폴리프로필렌(PP), 폴리에틸렌(PE), 폴리염화비닐(PVC) 등의 합성수지로 이루어진다.The inner layer 2 and / or the outer layer 4 are made of synthetic resin such as polybutylene (PB), polypropylene (PP), polyethylene (PE), polyvinyl chloride (PVC) and the like having excellent mechanical properties.
상기한 가스차단층(6)은 가스차단성이 우수한 에틸렌비닐알코올(EVOH), 나일론(nylon) 등의 합성수지로 이루어진다.The gas barrier layer 6 is made of synthetic resin such as ethylene vinyl alcohol (EVOH), nylon (nylon) and the like having excellent gas barrier properties.
상기한 내층(2)과 가스차단층(6) 및 외층(4)과 가스차단층(6) 사이는 접착제(8)를 사용하여 서로를 확실하게 고정한다.The adhesive layer 8 reliably fixes each other between the inner layer 2, the gas barrier layer 6, and the outer layer 4 and the gas barrier layer 6 above.
상기한 접착제(8)로는 변성폴리올레핀수지 등을 사용한다.As the adhesive 8, a modified polyolefin resin or the like is used.
상기와 같이 이루어지는 본 발명에 따른 다층 합성수지관의 일실시예는 도 3에 나타낸 바와 같이, 복수의 원료공급유로가 형성된 압출기(10)를 이용하여 제조한다.One embodiment of the multi-layer synthetic resin tube according to the present invention made as described above is manufactured by using an extruder 10 is formed with a plurality of raw material supply passages.
상기한 압출기(10)에는 내층(2)의 원료를 공급하는 제1유로(12), 외층(4)의 원료를 공급하는 제2유로(14), 가스차단층(6)의 원료를 공급하는 제3유로(16), 내층(2)과 가스차단층(6) 사이를 접착시키기 위한 접착제(8)를 공급하는 제4유로(18), 가스차단층(6)과 외층(4) 사이를 접착시키기 위한 접착제(8)를 공급하기 위한 제5유로(19)가 형성된다.The extruder 10 supplies a first flow path 12 for supplying the raw material of the inner layer 2, a second flow path 14 for supplying the raw material of the outer layer 4, and a material for supplying the raw material of the gas barrier layer 6. 3 passage 16, fourth passage 18 for supplying an adhesive 8 for bonding between the inner layer 2 and the gas barrier layer 6, for bonding between the gas barrier layer 6 and the outer layer 4 A fifth flow passage 19 for forming the adhesive 8 is formed.
상기와 같이 형성되는 압출기(10)에 의하면, 제1유로(12)를 통하여 공급되는 원료가 압출되면서 내층(2)이 형성되고, 제4유로(18)를 통하여 공급되는 접착제(8)가 내층(2)의 외주면에 도포되며, 제3유로(16)를 통하여 공급되는 원료가 압출되면서 가스차단층(6)이 형성된다.According to the extruder 10 formed as described above, the inner layer 2 is formed while the raw material supplied through the first channel 12 is extruded, and the adhesive 8 supplied through the fourth channel 18 is the inner layer. The gas barrier layer 6 is formed while being applied to the outer circumferential surface of (2), and the raw material supplied through the third flow passage 16 is extruded.
이 때 가스차단층(6)은 접착제(8)에 의하여 먼저 형성된 내층(2)에 강하게 접착 고정된다.At this time, the gas barrier layer 6 is strongly adhesively fixed to the inner layer 2 formed first by the adhesive agent 8.
또 상기한 제5유로(19)를 통하여 공급되는 접착제(8)가 가스차단층(6)의 외주면에 도포되고, 제2유로(14)를 통하여 공급되는 원료가 압출되면서 외층(4)이 형성된다.In addition, the adhesive 8 supplied through the fifth flow passage 19 is applied to the outer circumferential surface of the gas barrier layer 6, and the outer layer 4 is formed while the raw material supplied through the second flow passage 14 is extruded. .
상기에서 외층(6)은 접착제(8)에 의하여 먼저 형성된 가스차단층(6)에 강하게 접착 고정된다.In the above, the outer layer 6 is strongly adhesively fixed to the gas barrier layer 6 first formed by the adhesive 8.
상기에서는 본 발명에 따른 다층 합성수지관의 바람직한 실시예에 대하여 설명하였지만, 본 발명은 이에 한정되는 것이 아니고 특허청구범위와 발명의 상세한 설명 및 첨부한 도면의 범위 안에서 여러가지로 변형하여 실시하는 것이 가능하고, 이 또한 본 발명의 범위에 속한다.In the above, a preferred embodiment of the multilayer synthetic resin tube according to the present invention has been described, but the present invention is not limited thereto, and various modifications can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings. This also belongs to the scope of the present invention.
상기와 같이 이루어지는 본 발명에 따른 다층 합성수지관에 의하면, 가스차단성이 우수한 재질로 가스차단층이 형성되므로 외부로부터 관 내부로 산소 등의 가스가 침투되지 않으므로, 관 내부를 흐르는 기체 또는 액체 물질이 산화되거나산소 등과 반응하는 일이 발생하지 않는다.According to the multi-layered synthetic resin tube according to the present invention made as described above, since the gas barrier layer is formed of a material having excellent gas barrier properties, since gas such as oxygen does not penetrate into the tube from the outside, gas or liquid substance flowing inside the tube is oxidized or Reaction with oxygen does not occur.
또 본 발명에 따른 다층 합성수지관에 의하면, 가스차단뿐만아니라 각각 기계적 성질이 우수한 재질로 내층 및/또는 외층을 형성하므로, 특수한 용도에 복합화된 기능을 가진 관을 제공할 수 있다.In addition, according to the multi-layered synthetic resin tube according to the present invention, since the inner layer and / or the outer layer is formed of a material having excellent mechanical properties, as well as gas blocking, it is possible to provide a tube having a complex function for a special use.
Claims (3)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000011490A KR20010087628A (en) | 2000-03-08 | 2000-03-08 | Multi-Layer Plastic Pipe |
| KR2020000006603U KR200197240Y1 (en) | 2000-03-08 | 2000-03-09 | Multi-layer plastic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000011490A KR20010087628A (en) | 2000-03-08 | 2000-03-08 | Multi-Layer Plastic Pipe |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2020000006603U Division KR200197240Y1 (en) | 2000-03-08 | 2000-03-09 | Multi-layer plastic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20010087628A true KR20010087628A (en) | 2001-09-21 |
Family
ID=19653181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000011490A KR20010087628A (en) | 2000-03-08 | 2000-03-08 | Multi-Layer Plastic Pipe |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20010087628A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024112161A1 (en) * | 2022-11-25 | 2024-05-30 | 엘에스전선 주식회사 | Hydrogen delivery pipe |
-
2000
- 2000-03-08 KR KR1020000011490A patent/KR20010087628A/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024112161A1 (en) * | 2022-11-25 | 2024-05-30 | 엘에스전선 주식회사 | Hydrogen delivery pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI72680B (en) | SKIKTAT POLYMERROER OCH DESS ANVAENDNING. | |
| US20050217747A1 (en) | Thermoplastic pipe and liners | |
| US20040025954A1 (en) | Polybutylene terephthalate and polybutylene Naphthalate tubular structures | |
| EP0638749B1 (en) | Improvements in or relating to pipes | |
| CA2474629A1 (en) | Co-extruded tubing | |
| ATE255008T1 (en) | MULTI-LAYER TUBE | |
| US20040226623A1 (en) | Dual wall co-extruded corrugated tubing | |
| KR200197240Y1 (en) | Multi-layer plastic pipe | |
| JP3315271B2 (en) | Laminated resin molding | |
| EP3463858B1 (en) | A multi-layered pipe and a method for forming a multi-layered pipe | |
| CA2252932A1 (en) | Pressure tube of a plastic material | |
| KR20010087628A (en) | Multi-Layer Plastic Pipe | |
| US20030001307A1 (en) | Pipes and method of manufacturing such pipes | |
| CA2473846A1 (en) | Pipe fitting comprising at least two layers of different material, the innermost layer made of plastic | |
| EP1580473A1 (en) | Multilayer tube | |
| US20040013835A1 (en) | Multilayer plastic tube for fluids used in motor vehicles | |
| JP2008133897A (en) | Beverage hose | |
| US20190375180A1 (en) | A multi-layered pipe and a use of a multi-layered pipe | |
| MXPA06006436A (en) | Reinforcing strip with barrier layer for flexible pipes. | |
| US20040216796A1 (en) | Flexible hose | |
| ATE251730T1 (en) | TWO-LAYER TUBE | |
| JP2011021704A (en) | Tube with joint | |
| HK1040961A1 (en) | Multilayer composite film and use thereof | |
| DK0733471T3 (en) | Adhesive-free sterilization-resistant multilayer foil for packaging applications | |
| JPH08192472A (en) | Inner and outer surface smooth synthetic resin tube and manufacture thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E601 | Decision to refuse application |