CN103386788B - A kind of film papery Easy tearing lid and preparation method thereof - Google Patents
A kind of film papery Easy tearing lid and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of packaging film, particularly a kind of film papery Easy tearing lid and preparation method thereof.A kind of film papery Easy tearing lid comprises successively: easily tear layer, aluminium foil layer, low density polyethylene layer and copperplate ply of paper, the described layer that easily tears is mixed by following component: low density polyethylene (LDPE): 78-82%, high-molecular polythene 4210:14-16%, anti-adhesive agent KMB? 15F-4:4-6%.Forming the composition easily tearing layer is that film easily tears material.The invention has the beneficial effects as follows: 1, easily sealing and fastness is good.2, sealing is easily torn, easy to use.
Description
Technical field
The present invention relates to a kind of packaging film, particularly a kind of film papery Easy tearing lid and preparation method thereof.
Background technology
Bottle cap is that food packs an important ring with drink, is also the place that consumer contacts with product at first.Bottle cap has maintenance content product airtight performance, also has the function of antitheft unlatching and security aspect, is therefore applied on bottled product widely, so bottle cap is food, drink industry, wine, chemical industry, the upstream industry of pharmacy industry is the key product of bottle container packaging.Along with the progress of science and technology, in recent years China's food packaging market there is successively the packaged form of plastic containers seal cap, easily tear layer as cold drink or box-packed instant noodles top.Chinese invention patent application as application number 201210411811.1, applying date 2012-10-24 discloses a kind of sealing epiphragma, and described epiphragma is pet layer, aluminium lamination, ethylene acrylic acid co polymer layer, bimodal polyethylene layer, composite polyethylene layer from outside to inside.There are two defects in the layer material that easily tears in the market: 1, seals insecure, and leakage, gas leak phenomenon are many, cause quality problems and loss.2, not easily tear after sealing.
Summary of the invention
The invention provides a kind of film papery Easy tearing lid sealing firmly, easily remove.
The present invention also provides a kind of preparation method of described film papery Easy tearing lid.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of film papery Easy tearing lid, comprise successively: easily tear layer, aluminium foil layer, low density polyethylene layer and copperplate ply of paper, the described layer that easily tears is mixed by following component: low density polyethylene (LDPE): 78-82%, high-molecular polythene 4210:14-16%, anti-adhesive agent KMB15F-4:4-6%.Forming the composition easily tearing layer is that film easily tears material.Existing sealing epiphragma product does not have easily tearing layer or only replacing with plastic products described in the present invention, cannot be torn after being unfavorable for environmental protection or sealing like this, consumer uses inconvenience, and simultaneously when using plastics as seal closure, different materials needs corresponding use; Common does not add the seal closure that film easily tears material, there will be sealing loosely when sealing, gas leakage, leakage material phenomenon; With the addition of on its surface after film easily tears material, this seal closure, to the materials application expanded range of cup, can be paper, PP cup, PS material, PE material, PVC material, PET material.
As preferably, described low density polyethylene (LDPE) (LDPE) model is 1C7A, and high-molecular polythene is 4210, and anti-adhesive agent is KMB15F-4.High-molecular polythene 4210 is ternary polymerizations, the high-molecular polythene be made up of ethene, propylene, maleic anhydride; Anti-adhesive agent is KMB15F-4 is the spongy flexible devitrified glass of a kind of high transparency, the microcosmic smoothness on energy strict guarantee film material surface.
As preferably, the described layer that easily tears is mixed by following component: low density polyethylene (LDPE) 1C7A:80%, high-molecular polythene 4210:15%, anti-adhesive agent KMB15F-4:5%.
As preferably, the surface of aluminium foil layer is through sided corona treatment, and electric current is 4-6A.
A preparation method for described film papery Easy tearing lid, the method comprises the steps: a, adopts low density polyethylene (LDPE) aluminium foil and art paper to be combined with each other, and forms the composite bed being followed successively by aluminium foil layer, low density polyethylene layer and copperplate ply of paper; B, adopt metal corona equipment to carry out sided corona treatment to the aluminium foil surface of composite bed, electric current is 4-6A; C, low density polyethylene (LDPE), high-molecular polythene 4210 and anti-adhesive agent KMB15F-4 to be mixed according to proportioning, obtain film and easily tear material; D, the film prepared in step c easily to be torn material extrusion coated to processed aluminium foil surface by film machine curtain coating, obtains product.Existing various sealing epiphragma product is that to carry out film or LDPE and high-molecular polythene 4210 used in combination for simple LDPE, there is sealing loosely in the product produced, or the paper surface produced is clamminess, cannot normally use, the product that this formula is produced there will not be phenomenon above, reaches the effect of easily tearing.
As preferably, in Step d, the coating weight that film easily tears material is 20-22g/m
2.When grammes per square metre is lower than below 20g, after product sealing, this product need be placed in low temperature-subzero when storing, there will be and seal loosely phenomenon or sealing and pop, after exceeding 22g, is a kind of waste to material.
As preferably, in Step d, the technological parameter of film is:
Barrel temperature is followed successively by 195 DEG C, 260 DEG C, 275 DEG C, 295 DEG C, 330 DEG C, 330 DEG C,
Adapter temperature: 325 DEG C,
Die head temperature is followed successively by 320 DEG C, 325 DEG C, 330 DEG C, 340 DEG C, 325 DEG C, 320 DEG C;
Platen pressure is 5-6kg,
Chilling temperature is 20 DEG C, and the speed of a motor vehicle is 70m/min, and die head mouth is 100mm to the height of chill roll.
The invention has the beneficial effects as follows: 1, easily sealing and fastness is good.2, sealing is easily torn, easy to use.
Detailed description of the invention
Below by specific embodiment, technical scheme of the present invention is described in further detail.Should be appreciated that enforcement of the present invention is not limited to the following examples, any pro forma accommodation make the present invention and/or change all will fall into scope.
In the present invention, if not refer in particular to, all parts, percentage are unit of weight, and all equipment and raw material etc. all can be buied from market or the industry is conventional.
High-molecular polythene 4210, purchased from Shanghai Bei Gang Industrial Co., Ltd..
KMB15F-4, purchased from Shanghai Bei Gang Industrial Co., Ltd..
Embodiment:
1, the low density polyethylene (LDPE) (domestic 1C7A) after high-temperature digestion is adopted non-blooming one side art paper and aluminium foil to be carried out compound by extruding curtain coating (coating weight control of low density polyethylene (LDPE) is at 10-12g/m
2), adopt film machine to carry out this process, controling parameters is:
Barrel temperature is followed successively by 190 DEG C, 248 DEG C, 275 DEG C, 295 DEG C, 325 DEG C, 325 DEG C,
Adapter temperature: 320 DEG C,
Die head temperature is followed successively by 314 DEG C, 318 DEG C, 320 DEG C, 326 DEG C, 320 DEG C, 320 DEG C,
Platen pressure is 5-6kg,
Chilling temperature is 23 DEG C, and the speed of a motor vehicle is 80m/min.
The composite bed that aluminium foil layer, low density polyethylene layer and copperplate ply of paper are bonded together successively is formed from top to bottom after compound.
2, adopt metal corona equipment to carry out sided corona treatment to the aluminium foil surface of composite bed, electric current is 4-6A, and make its surface form ozone layer, effects on surface plays the effect of decontamination simultaneously.
3, low density polyethylene (LDPE) (1C7A), high-molecular polythene 4210 and anti-adhesive agent KMB15F-4 are stirred by the proportioning shown in table 1, obtain film and easily tear material.
4, extrusion coated to processed aluminium foil surface, (film is easily torn and is expected that coating weight is 22g/m by film machine curtain coating the film prepared in step 3 easily to be torn material
2), production control is as follows:
Barrel temperature is followed successively by 195 DEG C, 260 DEG C, 275 DEG C, 295 DEG C, 330 DEG C, 330 DEG C,
Adapter temperature: 325 DEG C,
Die head temperature is followed successively by 320 DEG C, 325 DEG C, 330 DEG C, 340 DEG C, 325 DEG C, 320 DEG C;
Platen pressure is 5-6kg,
Chilling temperature is 20 DEG C, and the speed of a motor vehicle is 70m/min, and die head mouth is 100mm to the height of chill roll.Be convenient to film like this and easily tear the aerial oxidation of material.
Adopt above-mentioned obtained film papery Easy tearing lid to plastic bottle, paper products seals, then performance evaluation is carried out to sealing, (other products are when doing disbonded test, occur lid to tear to shreds completely, External Force Acting maybe must be borrowed to be torn, and is exactly can not seal completely in addition, leak air, leak material, the phenomenon of leakage, pop phenomenon at low temperatures) data are in table 1.
Table 1
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (3)
1. a film papery Easy tearing lid, comprises successively: easily tear layer, aluminium foil layer, low density polyethylene layer and copperplate ply of paper, it is characterized in that the described layer that easily tears is mixed by following component:
Low density polyethylene (LDPE): 80%,
High-molecular polythene 4210:15%,
Anti-adhesive agent KMB15F-4:5%, the preparation method of described film papery Easy tearing lid is:
Non-blooming one side art paper and aluminium foil are carried out compound by extruding curtain coating by the low density polyethylene (LDPE) 1C7A after a, employing high-temperature digestion, and the coating weight control of low density polyethylene (LDPE) is at 10-12g/m
2, adopt film machine to carry out this process, controling parameters is:
Barrel temperature is followed successively by 190 DEG C, 248 DEG C, 275 DEG C, 295 DEG C, 325 DEG C, 325 DEG C,
Adapter temperature: 320 DEG C,
Die head temperature is followed successively by 314 DEG C, 318 DEG C, 320 DEG C, 326 DEG C, 320 DEG C, 320 DEG C,
Platen pressure is 5-6kg,
Chilling temperature is 23 DEG C, and the speed of a motor vehicle is 80m/min;
The composite bed that aluminium foil layer, low density polyethylene layer and copperplate ply of paper are bonded together successively is formed from top to bottom after compound;
B, adopt metal corona equipment to carry out sided corona treatment to the aluminium foil surface of composite bed, electric current is 4-6A;
C, low density polyethylene (LDPE) 1C7A, high-molecular polythene 4210 and anti-adhesive agent KMB15F-4 to be stirred by proportioning, obtain film and easily tear material;
D, the film prepared in step c easily to be torn material extrusion coated to processed aluminium foil surface by film machine curtain coating, and it is 22g/m that film easily tears material coating weight
2, production control is as follows:
Barrel temperature is followed successively by 195 DEG C, 260 DEG C, 275 DEG C, 295 DEG C, 330 DEG C, 330 DEG C,
Adapter temperature: 325 DEG C,
Die head temperature is followed successively by 320 DEG C, 325 DEG C, 330 DEG C, 340 DEG C, 325 DEG C, 320 DEG C;
Platen pressure is 5-6kg,
Chilling temperature is 20 DEG C, and the speed of a motor vehicle is 70m/min, and die head mouth is 100mm to the height of chill roll.
2. a film papery Easy tearing lid, comprises successively: easily tear layer, aluminium foil layer, low density polyethylene layer and copperplate ply of paper, it is characterized in that the described layer that easily tears is mixed by following component:
Low density polyethylene (LDPE): 78%,
High-molecular polythene 4210:16%,
Anti-adhesive agent KMB15F-4:6%, the preparation method of described film papery Easy tearing lid is:
Non-blooming one side art paper and aluminium foil are carried out compound by extruding curtain coating by the low density polyethylene (LDPE) 1C7A after a, employing high-temperature digestion, and the coating weight control of low density polyethylene (LDPE) is at 10-12g/m
2, adopt film machine to carry out this process, controling parameters is:
Barrel temperature is followed successively by 190 DEG C, 248 DEG C, 275 DEG C, 295 DEG C, 325 DEG C, 325 DEG C,
Adapter temperature: 320 DEG C,
Die head temperature is followed successively by 314 DEG C, 318 DEG C, 320 DEG C, 326 DEG C, 320 DEG C, 320 DEG C,
Platen pressure is 5-6kg,
Chilling temperature is 23 DEG C, and the speed of a motor vehicle is 80m/min;
The composite bed that aluminium foil layer, low density polyethylene layer and copperplate ply of paper are bonded together successively is formed from top to bottom after compound;
B, adopt metal corona equipment to carry out sided corona treatment to the aluminium foil surface of composite bed, electric current is 4-6A;
C, low density polyethylene (LDPE) 1C7A, high-molecular polythene 4210 and anti-adhesive agent KMB15F-4 to be stirred by proportioning, obtain film and easily tear material;
D, the film prepared in step c easily to be torn material extrusion coated to processed aluminium foil surface by film machine curtain coating, and it is 22g/m that film easily tears material coating weight
2, production control is as follows:
Barrel temperature is followed successively by 195 DEG C, 260 DEG C, 275 DEG C, 295 DEG C, 330 DEG C, 330 DEG C,
Adapter temperature: 325 DEG C,
Die head temperature is followed successively by 320 DEG C, 325 DEG C, 330 DEG C, 340 DEG C, 325 DEG C, 320 DEG C;
Platen pressure is 5-6kg,
Chilling temperature is 20 DEG C, and the speed of a motor vehicle is 70m/min, and die head mouth is 100mm to the height of chill roll.
3. a film papery Easy tearing lid, comprises successively: easily tear layer, aluminium foil layer, low density polyethylene layer and copperplate ply of paper, it is characterized in that the described layer that easily tears is mixed by following component:
Low density polyethylene (LDPE): 82%,
High-molecular polythene 4210:14%,
Anti-adhesive agent KMB15F-4:4%, the preparation method of described film papery Easy tearing lid is:
Non-blooming one side art paper and aluminium foil are carried out compound by extruding curtain coating by the low density polyethylene (LDPE) 1C7A after a, employing high-temperature digestion, and the coating weight control of low density polyethylene (LDPE) is at 10-12g/m
2, adopt film machine to carry out this process, controling parameters is:
Barrel temperature is followed successively by 190 DEG C, 248 DEG C, 275 DEG C, 295 DEG C, 325 DEG C, 325 DEG C,
Adapter temperature: 320 DEG C,
Die head temperature is followed successively by 314 DEG C, 318 DEG C, 320 DEG C, 326 DEG C, 320 DEG C, 320 DEG C,
Platen pressure is 5-6kg,
Chilling temperature is 23 DEG C, and the speed of a motor vehicle is 80m/min;
The composite bed that aluminium foil layer, low density polyethylene layer and copperplate ply of paper are bonded together successively is formed from top to bottom after compound;
B, adopt metal corona equipment to carry out sided corona treatment to the aluminium foil surface of composite bed, electric current is 4-6A;
C, low density polyethylene (LDPE) 1C7A, high-molecular polythene 4210 and anti-adhesive agent KMB15F-4 to be stirred by proportioning, obtain film and easily tear material;
D, the film prepared in step c easily to be torn material extrusion coated to processed aluminium foil surface by film machine curtain coating, and it is 22g/m that film easily tears material coating weight
2, production control is as follows:
Barrel temperature is followed successively by 195 DEG C, 260 DEG C, 275 DEG C, 295 DEG C, 330 DEG C, 330 DEG C,
Adapter temperature: 325 DEG C,
Die head temperature is followed successively by 320 DEG C, 325 DEG C, 330 DEG C, 340 DEG C, 325 DEG C, 320 DEG C;
Platen pressure is 5-6kg,
Chilling temperature is 20 DEG C, and the speed of a motor vehicle is 70m/min, and die head mouth is 100mm to the height of chill roll.
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| CN105696418A (en) * | 2015-09-18 | 2016-06-22 | 安庆市芊芊纸业有限公司 | High-temperature-resistant LDPE laminating paper and laminating process thereof |
| CN106380960B (en) * | 2016-08-30 | 2019-03-12 | 湖州金洁实业有限公司 | A kind of food packaging Easy tearing lid aluminium foil and its preparation process |
| CN106366824B (en) * | 2016-08-30 | 2019-02-01 | 湖州金洁实业有限公司 | A kind of food packaging Easy tearing lid aluminium foil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1386679A (en) * | 2002-07-08 | 2002-12-25 | 天津顶正印刷包材有限公司 | Covering material torn off easily and its making method |
| CN1440352A (en) * | 2000-05-08 | 2003-09-03 | 利乐拉瓦尔集团及财务有限公司 | Method fo producing packing material |
| CN201942109U (en) * | 2010-09-06 | 2011-08-24 | 苏州海顺包装材料有限公司 | Easily-torn cover film |
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| JP2003182004A (en) * | 2001-12-17 | 2003-07-03 | Nihon Tetra Pak Kk | Packaging material having excellent surface mechanical characteristics |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1440352A (en) * | 2000-05-08 | 2003-09-03 | 利乐拉瓦尔集团及财务有限公司 | Method fo producing packing material |
| CN1386679A (en) * | 2002-07-08 | 2002-12-25 | 天津顶正印刷包材有限公司 | Covering material torn off easily and its making method |
| CN201942109U (en) * | 2010-09-06 | 2011-08-24 | 苏州海顺包装材料有限公司 | Easily-torn cover film |
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