KR20080034553A - Self-adhesive film for can container cover - Google Patents
Self-adhesive film for can container cover Download PDFInfo
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- KR20080034553A KR20080034553A KR1020060100624A KR20060100624A KR20080034553A KR 20080034553 A KR20080034553 A KR 20080034553A KR 1020060100624 A KR1020060100624 A KR 1020060100624A KR 20060100624 A KR20060100624 A KR 20060100624A KR 20080034553 A KR20080034553 A KR 20080034553A
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- South Korea
- Prior art keywords
- film
- self
- adhesive film
- container
- adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002313 adhesive film Substances 0.000 title claims abstract description 38
- 239000010408 film Substances 0.000 claims abstract description 40
- 229920001179 medium density polyethylene Polymers 0.000 claims abstract description 8
- 239000004701 medium-density polyethylene Substances 0.000 claims abstract description 8
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 claims abstract description 5
- 239000013039 cover film Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 7
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 7
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 229920005672 polyolefin resin Polymers 0.000 claims 1
- 229920005749 polyurethane resin Polymers 0.000 claims 1
- 238000011109 contamination Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 235000013305 food Nutrition 0.000 abstract description 3
- BLDFSDCBQJUWFG-UHFFFAOYSA-N 2-(methylamino)-1,2-diphenylethanol Chemical compound C=1C=CC=CC=1C(NC)C(O)C1=CC=CC=C1 BLDFSDCBQJUWFG-UHFFFAOYSA-N 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 4
- 235000013361 beverage Nutrition 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920000098 polyolefin Polymers 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 229920000092 linear low density polyethylene Polymers 0.000 description 3
- 239000004707 linear low-density polyethylene Substances 0.000 description 3
- 241000282412 Homo Species 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 235000013324 preserved food Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
- B65D17/50—Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
- B65D17/501—Flexible tape or foil-like material
- B65D17/502—Flexible tape or foil-like material applied to the external part of the container wall only
-
- 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
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
- B65D53/08—Flexible adhesive strips adapted to seal filling or discharging apertures
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/0001—Details
- B65D2517/0098—Means for preventing dust contacting pouring opening, e.g. a cover over the tear panel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wrappers (AREA)
- Laminated Bodies (AREA)
Abstract
Description
본 발명은 유통과정 중에 식품 보관용 캔 용기의 오염을 막아 위생성을 부여하기 위해 캔 용기 상단을 덮는 자기 점착성 필름에 관한 것이다.The present invention relates to a self-adhesive film covering the top of the can container in order to prevent contamination of the can container for food storage during the distribution process to impart hygiene.
음료수, 통조림용 식품 등의 보관 용기로 사용되는 캔(Can)은 그 편리성 못지 않게 유통상의 위생성에 문제를 안고 있다. 용기 상단의 내용물 토출구 주변은 최종 소비자가 캔을 개봉하기 직전까지 항상 개방되어 있어, 먼지나 각종 미생물에 오염되는 것을 피할 수 없다.Cans, which are used as storage containers for beverages and canned foods, have problems with hygiene in distribution as well as convenience. The contents outlet around the top of the container is always open until just before the end consumer opens the can, so that contamination with dust or various microorganisms is inevitable.
이에, 몇몇 특허문헌에서 캔 용기의 위생성을 향상시키는 덮개를 제안하고 있는데, 예를 들어 일본 실용신안공개 제1994-10140호에 캔 음료용 위생 커버가 개시되어 있고, 별도의 접착제를 사용하여 커버를 캔에 부착하고 있다.Thus, some patent documents propose a cover that improves the hygiene of the can container. For example, Japanese Utility Model Publication No. 1994-10140 discloses a sanitary cover for can beverage, and uses a separate adhesive to cover the cover. It is attached to a can.
대한민국 실용신안등록 제209040호에는 놀이용으로도 사용할 수 있는 캔음료용 다용도 덮개가 개시되어 있고, 대한민국 특허공개 제2005-72831호에는 사출성형한 캔 음료용 캡이 개시되어 있으나, 캔 용기의 사이즈에 따라 제조를 달리하므로 제조비용의 상승을 피할 수 없고, 제조과정과 구조가 복잡하며, 과다한 원가 상승과 폐기물로 인한 환경 문제 야기 등의 문제로 인해 상용화된 예가 없는 실정이다.Korean Utility Model Registration No. 209040 discloses a multipurpose cover for cans and beverages that can be used for play, and Korean Patent Publication No. 2005-72831 discloses injection molded cans and beverage caps. Due to the different manufacturing process, an increase in manufacturing cost cannot be avoided, the manufacturing process and structure are complicated, and there are no commercialized cases due to problems such as excessive cost increase and environmental problems caused by waste.
따라서, 본 발명의 목적은 제조와 부착과정이 간단하고 원가 상승을 억제하며 환경 문제를 유발하지 않는 캔 용기 덮개용 필름을 제공하는 것이다.Accordingly, it is an object of the present invention to provide a can container lid film which is simple in manufacturing and attaching process, suppresses cost increase and does not cause environmental problems.
본 발명은 상기한 목적을 달성하기 위하여, 자기 점착성과 연신성을 갖는 캔 용기 덮개용 필름을 제공한다.In order to achieve the above object, the present invention provides a film for can container lids having self adhesiveness and stretchability.
본 발명의 캔 용기 덮개용 필름은 부착 편의성 등을 고려하여 자기 점착성 필름과 비점착성 필름을 포함하는 다층 구조로 이루어지는 것이 바람직하다.It is preferable that the film for can container lids of this invention consists of a multilayered structure containing a self-adhesive film and a non-adhesive film in consideration of attachment convenience.
본 발명에서 필름의 자기 점착성은 0.5 내지 1.0 kgf/in인 것이 바람직하며, 상기 범위의 자기 점착성은 유통 과정 중 필름이 박리되지 않으면서 최종 소비자가 필름을 쉽게 제거할 수 있는 바람직한 수준이다.In the present invention, the self-adhesiveness of the film is preferably 0.5 to 1.0 kgf / in, and the self-adhesion in the above range is a preferable level that the end consumer can easily remove the film without peeling the film during the distribution process.
본 발명에서 필름의 연신성은 500 내지 900% 사이인 것이 바람직하다. 상기 범위의 적절한 연신성을 가짐으로써 캔 용기 크기에 제한없이 부착이 가능하고, 부착된 상태에서 외부로부터 캔 용기 상단에 압력이 가해질 경우 필름이 연신됨으로써 필름이 천공되거나 피착체로부터 박리되는 것을 방지할 수 있다.In the present invention, the stretchability of the film is preferably between 500 and 900%. By having the proper stretchability in the above range can be attached without limitation to the size of the can container, when the pressure is applied to the top of the can container from the outside in the attached state, the film is stretched to prevent the film from being punctured or peeled from the adherend Can be.
본 발명에서 필름은 저밀도 폴리에틸렌 등의 폴리올레핀계 내지 열가소성 폴리우레탄 수지를 원료로 하는 자기 점착성 필름과 폴리올레핀계 내지 열가소성 폴리우레탄을 원료로 하는 비점착성 필름을 적층한 것이다. 자기 점착성 필름을 사용하지 않고 기재에 용제형 점착제를 도포하여 사용하는 경우에는 필름을 캔 용기로부터 제거할 때 점착제 잔유물이 남는 문제가 있고, 폴리올레핀계 이외의 수지를 사용할 경우 점착 부여제와 가소제를 첨가해야 하므로 인체에 유해한 성분을 배제해야 하는 본 발명의 요건에 부적합하다.In the present invention, the film is a laminate of a self-adhesive film made of polyolefin-based thermoplastic polyurethane resin such as low density polyethylene and a non-stick film made of polyolefin-based thermoplastic polyurethane as a raw material. If a solvent-based adhesive is applied to a base material without using a self-adhesive film, there is a problem that an adhesive residue remains when the film is removed from a can container, and when using a resin other than polyolefin, a tackifier and a plasticizer are added. It is not suitable for the requirement of the present invention to exclude components harmful to the human body.
본 발명에서 자기 점착성 필름은 선형 저밀도 폴리에틸렌(LLDPE)으로 이루지는 것이 바람직하며, 선형 저밀도 폴리에틸렌의 밀도는 0.918 내지 0.94 g/㎤인 것이 바람직하다.In the present invention, the self-adhesive film is preferably made of linear low density polyethylene (LLDPE), and the density of the linear low density polyethylene is preferably 0.918 to 0.94 g / cm 3.
본 발명에서 비점착성 필름은 중밀도 폴리에틸렌(MDPE) 또는 열가소성 폴리우레탄으로 이루어지는 것이 바람직하며, 내오염성, 내스크래치성, 슬립성 등의 표면 특성을 부여하기 위해 표면처리될 수 있다.In the present invention, the non-tacky film is preferably made of medium density polyethylene (MDPE) or thermoplastic polyurethane, and may be surface treated to impart surface properties such as stain resistance, scratch resistance, and slip resistance.
본 발명에서 자기 점착성 필름과 비점착성 필름은 공압출로 형성되는 것이 바람직하다.In the present invention, the self-adhesive film and the non-adhesive film are preferably formed by coextrusion.
또한, 본 발명은 통상의 자동화 포장설비를 이용하여 자기 점착성과 연신성을 갖는 캔 용기 덮개용 필름을 캔 용기 상단부에 부착한 후 절취하거나, 절취한 후 부착하는 것을 특징으로 하는 캔 용기 덮개용 필름의 포장방법을 제공한다.In addition, the present invention can cut the can container cover film having self-adhesiveness and elongation by attaching to the upper end of the can container using a conventional automated packaging equipment, cut or attached after cutting and canned. Provides a packaging method.
본 발명의 캔 용기 덮개용 필름은 제조와 부착 과정이 간단하고, 캔 용기의 크기에 상관없이 사용할 수 있어 원가 상승 요인을 최대한 억제하므로 관련 업계의 접근이 용이하다. 또한, 인체에 무해하고 폐기시 환경 문제를 유발하지 않는 소재를 사용하여 최근 소비 트렌드를 부합된다.The can container lid film of the present invention is simple to manufacture and attach, and can be used regardless of the size of the can container, so that the cost increase factor is suppressed to the maximum, so that the relevant industry is easy to access. In addition, the use of materials that are harmless to the human body and do not cause environmental problems at the time of disposal, meet the latest consumption trend.
이하, 본 발명을 상세하게 설명한다.EMBODIMENT OF THE INVENTION Hereinafter, this invention is demonstrated in detail.
본 발명에 따른 캔 용기 덮개용 필름은 자기 점착성 필름과 비점착성 필름으로 구성되는 적어도 2층 이상의 구조를 가진다. 상기 적층 필름의 두께는 20 내지 50 ㎛가 바람직하다.The film for can container lids which concerns on this invention has a structure of at least 2 layer or more comprised from a self-adhesive film and a non-adhesive film. The thickness of the laminated film is preferably 20 to 50 µm.
자기 점착성 필름은 인체에 무해하고 식품 포장에 사용 가능한 소재, 예를 들어 폴리올레핀계의 자기 점착 가능한 연신성 있는 필름, 더 구체적으로는 밀도가 0.918 내지 0.94 g/㎤ 사이인 선형 저밀도 폴리에틸렌(LLDPE)으로 구성된다.Self-adhesive films are materials that are harmless to humans and usable for food packaging, such as polyolefin-based self-adhesive stretchable films, more specifically linear low density polyethylene (LLDPE) with a density between 0.918 and 0.94 g / cm 3. It is composed.
자기 점착성 필름은 최종 소비자가 캔 용기를 개봉하기 전까지 잘 부착되고, 제거시 쉽게 제거가 가능할 정도의 자기 점착성을 가진다.The self-adhesive film adheres well until the end consumer opens the can container and has a self-adhesive enough to be easily removed upon removal.
또한, 자기 점착성 필름은 캔 용기의 다양한 크기에 대응하도록 적절한 연신성을 가진다.In addition, the self-adhesive film has appropriate stretchability to correspond to various sizes of can containers.
자기 점착성 필름은 완전 투명하게 제조할 수 있고, 캔 용기의 디자인을 방해하지 않는 수준으로 착색할 수도 있다.The self-adhesive film can be made completely transparent and can be colored to a level that does not interfere with the design of the can container.
비점착성 필름은 자기 점착성 필름에 적층되어 외부에 노출되는 층으로, 제품이 점착성 필름으로만 구성될 경우의 불편을 제거한다. 또한, 롤에서 권출시 풀림성을 좋게 하고, 캔 용기에 부착할 때 편의성을 부여하며, 외부 환경에 노출되었을 때 먼지 등의 부착으로 인한 오염을 방지한다.The non-tacky film is a layer which is laminated to the self-adhesive film and exposed to the outside, and eliminates the inconvenience when the product consists only of the adhesive film. In addition, it unwinds when unwinding from the roll, provides convenience when attached to the can container, and prevents contamination due to adhesion of dust or the like when exposed to the external environment.
비점착성 필름은 자기 점착성 필름과 동일하게 500 내지 900% 사이의 연신성을 가지는 것이 바람직하며, 내오염성, 내스크래치성, 슬립성 등의 표면 특성을 가지는 재질로서, 적절히 표면 처리한 중밀도 폴리에틸렌(MDPE) 또는 열가소성 폴리우레탄이 바람직하다.The non-tacky film preferably has stretchability between 500 and 900%, similar to the self-adhesive film, and has a surface property such as stain resistance, scratch resistance, slip resistance, and the like. MDPE) or thermoplastic polyurethanes are preferred.
본 발명에 따른 캔 용기 덮개용 필름은 자기 점착성 필름과 비점착성 필름을 공압출 등의 방법을 통하여 적층함으로써 제조할 수 있다.The film for can container lids which concerns on this invention can be manufactured by laminating | stacking a self-adhesive film and a non-adhesive film through methods, such as coextrusion.
본 발명에 따른 캔 용기 덮개용 필름의 포장방법은 롤(Roll) 단위로 제공된 필름을 캔 용기의 포장 직전 단계에서 캔 용기 상단과 그 주변부를 감싸듯이 부착한 후 일정한 크기로 절취하거나, 반대로 적절한 크기로 절취한 후 부착하는 단계로 구성된다.The packaging method of the can container cover film according to the present invention is attached to the film provided in the unit of the roll (Roll) in a step immediately before the packaging of the can container, such as to wrap around the top and the periphery of the can container, cut to a certain size, or vice versa It consists of a step of attaching after cutting to.
이때, 통상의 포장설비를 그대로 이용할 수 있어 유리하며, 연신성으로 인하여 캔 용기의 크기에 상관없이 간단하게 부착할 수 있다.At this time, it is advantageous to use the usual packaging equipment as it is, it can be attached simply regardless of the size of the can container due to the stretchability.
또한, 필름에 자기 점착성이 있으므로 부착시 가열처리를 하거나 별도의 접착제나 체결수단이 필요없는 장점이 있다.In addition, since the film is self-adhesive, there is an advantage in that it does not need a heat treatment or a separate adhesive or fastening means when attaching.
대조적으로, 대한민국 특허공개 제2005-72831호에 개시된 사출 성형한 캔 음료용 캡은 캔 용기의 사이즈에 따라 제조를 달리하므로 제조비용의 상승을 피할 수 없다.In contrast, the injection molded can drink cap disclosed in Korean Patent Laid-Open No. 2005-72831 is different depending on the size of the can container, so the increase in manufacturing cost is inevitable.
[실시예 1]Example 1
선형 저밀도 폴리에틸렌과 중밀도 폴리에틸렌을 토출량비 6:4로 공압출하여 두께 40 ㎛의 2층 구조 필름을 제조하였다.Linear low-density polyethylene and medium-density polyethylene were coextruded at a discharge amount ratio of 6: 4 to prepare a two-layer structure film having a thickness of 40 μm.
[실시예 2]Example 2
열가소성 폴리우레탄 필름 25 ㎛ 위에 선형 저밀도 폴리에틸렌을 15 ㎛ 두께로 압출하여 필름을 제조한다. 이때 외부에 노출되는 열가소성 폴리우레탄 필름의 표면에 슬립성과 내오염성을 위한 표면처리를 실시하였다.A film is prepared by extruding linear low density polyethylene to a thickness of 15 μm on a 25 μm thermoplastic polyurethane film. At this time, the surface of the thermoplastic polyurethane film exposed to the outside was subjected to a surface treatment for slip resistance and stain resistance.
본 발명의 캔 용기 덮개용 필름은 제조와 부착 과정이 간단하고, 캔 용기의 크기에 상관없이 사용할 수 있어 원가 상승 요인을 최대한 억제하므로 관련 업계의 접근이 용이하다. 또한, 인체에 무해하고 폐기시 환경 문제를 유발하지 않는 소재를 사용하여 최근 소비 트렌드와 부합된다.The can container lid film of the present invention is simple to manufacture and attach, and can be used regardless of the size of the can container, so that the cost increase factor is suppressed to the maximum, so that the relevant industry is easy to access. It is also in line with recent consumption trends by using materials that are harmless to humans and do not cause environmental problems at disposal.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060100624A KR20080034553A (en) | 2006-10-17 | 2006-10-17 | Self-adhesive film for can container cover |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020060100624A KR20080034553A (en) | 2006-10-17 | 2006-10-17 | Self-adhesive film for can container cover |
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| KR20080034553A true KR20080034553A (en) | 2008-04-22 |
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| KR1020060100624A Ceased KR20080034553A (en) | 2006-10-17 | 2006-10-17 | Self-adhesive film for can container cover |
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| KR (1) | KR20080034553A (en) |
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