CN104139567B - A kind of scratch resistance vacuum heat-insulation laminated aluminum film bag and preparation method thereof - Google Patents
A kind of scratch resistance vacuum heat-insulation laminated aluminum film bag and preparation method thereof Download PDFInfo
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- CN104139567B CN104139567B CN201410344887.6A CN201410344887A CN104139567B CN 104139567 B CN104139567 B CN 104139567B CN 201410344887 A CN201410344887 A CN 201410344887A CN 104139567 B CN104139567 B CN 104139567B
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Abstract
The invention discloses a kind of scratch resistance vacuum heat-insulation laminated aluminum film bag, it is characterized in that, described scratch resistance vacuum heat-insulation laminated aluminum film bag sets gradually PE film (1), one layer of aluminium foil (2), the PET film (3) of one layer of aluminium coated and one layer of nylon membrane (4) from the inside to surface, described nylon membrane (4) one layer of resistance to scraping coating (5) of upper coating；Wherein, each component of described resistance to scraping coating (5) is formed (%) by the material of following weight/mass percentage composition: polyfunctional acrylate monomer: 20～50；Initiator: 0.05～1；Surplus is solvent.Packaging bag provided by the invention has stronger cutting resistance, scratch resistance performance, sealing property, has completely cut off heat, steam, shielding infrared ray and electromagnetic wave preferably.
Description
Technical field
The present invention relates to a kind of thin-film material, particularly to a kind of functional film materials for electrical equipment insulation, as the thermal insulation layer of refrigerator, reach in freezer, refrigerator car and water heater etc..
Background technology
Vacuum thermal insulation material, is the one of vacuum thermal insulating material, is mainly combined by inorfil insulated core material and high-isolation film.Decore material itself and have outside certain thermal resistance, also need to block water thin film by airtight wherein to inorfil insulated core material and a small amount of getter with high-gas resistance, and get rid of inner air to greatest extent, with the conduction of heat that minimizing is produced by cross-ventilation.Under vacuum, whole heat-insulating shield heat conductivity is non-normally low, is a kind of novel high-efficiency and energy-saving heat-barrier material in recent years developed rapidly in the world.
Vacuum thermal insulation material is used as the thermal insulation layer of electric refrigerator, refrigerator car, reach in freezer and water heater etc. and substitutes traditional polyurethane adiabatic layer, and heat conductivity is greatly lowered, and less than 0.0035w/m.k, can economize on electricity 10%～30%.When heat conductivity is identical, vacuum thermal insulation material can reduce insulation thickness, increases dischargeable capacity 20%～30%.Vacuum thermal insulation material is producing and is not using ODS material in application process.Therefore, environmental conservation and energy conservation are had tremendous contribution by its development and application.
The high barrier of functional film is it is critical that link in vacuum thermal insulation material technology, and its choke block-water effect directly influences energy-saving effect and the service life of insulation material.At present, the high-isolation film being used in vacuum thermal insulation material mostly is the laminated film containing aluminium foil or aluminized plastic base material, its material-structure, arrangement mode and processing technique, decides barrier property and the cost of whole thin film.
But generally vacuum heat-insulation packaging bag is made up of the material of four layers of different performance, outermost material is nylon membrane, nylon membrane starvation function admirable, but it is easy to the moisture absorption, inhibit vacuum heat-insulation packaging bag overall to the development of extremely low insulating to a certain extent, although nylon membrane anti-puncture performance is better compared with other materials, but surface scratch resistance performance haves much room for improvement, especially in the process making vacuum heat-insulation packaging bag, if nylon membrane imprudence is scratched, internal vacuum can be substantially reduced, and insulating declines, and causes that vacuum heat-insulation packaging bag is scrapped.
Based on the above, the exploitation of the vacuum heat-insulation laminated aluminum film bag of a kind of resistance to scratch-type is necessary.
Summary of the invention
It is an object of the invention to provide a kind of scratch resistance vacuum heat-insulation laminated aluminum film bag with after solving Traditional Packing bag surface nylon film and being accidentally scratched, the isolation performance of aluminum plastic film can be reduced, cause the restricted problem such as packaging bag internal vacuum and isolation performance reduction.This case is by one layer of resistance to scraping coating of nylon film surface-coated, block steam on the one hand to permeate to nylon membrane, improve the insulating of aluminum plastic film, the scratch resistance coating hardness selected on the other hand is 2H, well prevent packaging bag in evacuation situation, produce crack performance, packaging bag has stronger cutting resistance, sealing property, has completely cut off heat and steam, shielding infrared ray and electromagnetic wave preferably.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of scratch resistance vacuum heat-insulation laminated aluminum film bag, it is characterized in that, described scratch resistance vacuum heat-insulation laminated aluminum film bag sets gradually PET film 3 and one layer of nylon membrane 4, one layer of resistance to scraping coating 5 of coating on described nylon membrane 4 of PE film 2, one layer of aluminium coated of 1, one layer of aluminium foil from the inside to surface；
Wherein, each component of described resistance to scraping coating 5 is formed (%) by the material of following weight/mass percentage composition:
Polyfunctional acrylate monomer: 20～50；
Initiator: 0.05～1；
Surplus is solvent.
Preferably, described scratch resistance vacuum heat-insulation laminated aluminum film bag, wherein, described PE film 1 and the PET film 3 of described aluminium foil 2, described aluminium foil 2 and described aluminium coated, described aluminium coated PET film 3 and described nylon membrane 4 between be coated with binding agent polyurethane glue-line.
Preferably, described scratch resistance vacuum heat-insulation laminated aluminum film bag, wherein, the thickness of described binding agent polyurethane glue-line is 2～6 μm.
Preferably, described scratch resistance vacuum heat-insulation laminated aluminum film bag, wherein, the face of aluminizing of the PET film 3 of described aluminium coated is laminated together with described nylon membrane 4 surface binding agent polyurethane adhesive, and the another side of described nylon membrane 4 is coated with resistance to scraping coating 5.
Preferably, described scratch resistance vacuum heat-insulation laminated aluminum film bag, wherein, described resistance to scraping coating 5 thickness is 2～4 μm.
Preferably, described scratch resistance vacuum heat-insulation laminated aluminum film bag, wherein, described polyfunctional acrylate monomer selects acrylic acid methyl ester., urethane acrylate, epoxy acrylate, alkoxide phenol acrylate, 2-methacrylate, methoxy poly (ethylene glycol) mono acrylic ester, in 1,3 butylene glycol dimethylacrylate one or more；
Described initiator selects one or more in benzophenone, benzoin dimethylether, 1-hydroxy-cyclohexyl-phenyl ketone；
Described solvent select toluene, butanone, butyl ester one or more.
Preferably, described scratch resistance vacuum heat-insulation laminated aluminum film bag, wherein, described PE film 1 thickness is 10～50 μm, and the thickness of described aluminium coated PET film 3 is 10～25 μm, and the thickness of described aluminium foil 2 is 5～16 μm, and the thickness of described nylon membrane 4 is 8～20 μm.
Preferably, the manufacture method of described scratch resistance vacuum heat-insulation laminated aluminum film bag, wherein, described scratch resistance vacuum heat-insulation laminated aluminum film bag be made through following processing step:
Step 1, at the aluminizer surface-coated layer of adhesive glue-line of aluminium coated PET film 3, through oven drying 1～5min, then one layer of nylon membrane 4 of fitting on described binding agent glue-line；
Step 2, at the resistance to scraping coating 5 that described nylon membrane 4 surface-coated a layer thickness is 2～4 μm；
Step 3, the composite membrane obtained through described step 2 described aluminium coated PET film 3 surface-coated layer of adhesive glue-line, described binding agent film surface fit one layer of aluminium foil 2；
Step 4, described aluminium foil 2 another side be coated with layer of adhesive glue-line, then described binding agent film surface fit one layer of PE thin film.
Preferably, the manufacture method of described scratch resistance vacuum heat-insulation laminated aluminum film bag, in described step 3 before described binding agent film surface fits one layer of aluminium foil 2, described binding agent glue-line will through oven drying 1～5min.
Preferably, the manufacture method of described scratch resistance vacuum heat-insulation laminated aluminum film bag, in described step 4 before described binding agent film surface fits one layer of PE thin film, described binding agent glue-line will through oven drying 1～5min.
A kind of scratch resistance vacuum heat-insulation laminated aluminum film bag provided by the invention and preparation method thereof, its beneficial effect includes: 1) has stronger heat-insulating property, sealing property, has completely cut off air, steam, shielding infrared ray and electromagnetic wave preferably；2) it is coated with one layer of resistance to scraping coating at the nylon membrane of vacuum heat-insulation packaging bag, improves the insulating of aluminum plastic film, enhance the scratch resistance performance of packaging bag, cutting resistance, anti-wear performance and isolation performance；3) processing technology is simple, and coating method adopts intaglio plate coating to improve production efficiency, the packaging bag surfacing of making.
Accompanying drawing explanation
Fig. 1 is scratch resistance vacuum heat-insulation laminated aluminum film bag structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
A kind of scratch resistance vacuum heat-insulation laminated aluminum film bag that this case provides, described scratch resistance vacuum heat-insulation laminated aluminum film bag includes from the inside to surface successively: PE film 1, aluminium foil 2, aluminium coated PET film 3, nylon membrane 4, resistance to scraping coating 5, owing between thin film, bond properties is poor, described PE film 1 and the PET film 3 of described aluminium foil 2, described aluminium foil 2 and described aluminium coated, described aluminium coated PET film 3 and described nylon membrane 4 between be coated with binding agent polyurethane glue-line, to reach to make to fit tightly together between each thin film；The face of aluminizing of the PET film 3 of aluminium coated is laminated together with described nylon membrane 4 surface binding agent polyurethane adhesive, and the another side of described nylon membrane 4 is coated with resistance to scraping coating 5.
The scratch resistance vacuum heat-insulation each layer thickness of laminated aluminum film bag that this case provides: the thickness of PE film 1 is 10～50 μm, the thickness of binding agent glue-line is 2～6 μm, the thickness of aluminium foil 2 is 5～16 μm, the thickness of aluminium coated PET film 3 is 10～25 μm, the thickness of nylon membrane 4 is 8～20 μm, and the thickness of resistance to scraping coating 5 is 2～4 μm.
This case is by the resistance to scraping coating 5 of nylon membrane 4 surface-coated one layer, steam is prevented to permeate to nylon membrane 4 on the one hand, improve the insulating of aluminum plastic film, the hardness of anti-scratch coating 5 has reached 2H on the other hand, packaging bag does not have the phenomenon of be full of cracks when evacuation, and the anti-scratch coating 5 that this case provides is a kind of coating being made up of multi-functional acrylic acid, this coating can make packaging bag surface have the performance of stronger scratch resistance, wear-resisting and chemical species.Wherein, each component of resistance to scraping coating 5 is formed (%) by the material of following weight/mass percentage composition:
Polyfunctional acrylate monomer: 20～50；
Initiator: 0.05～1；
Surplus is solvent.
Polyfunctional acrylate monomer select acrylic acid methyl ester., urethane acrylate, epoxy acrylate, alkoxide phenol acrylate, 2-methacrylate, methoxy poly (ethylene glycol) mono acrylic ester, in 1,3 butylene glycol dimethylacrylate one or more；Initiator selects one or more in benzophenone, benzoin dimethylether, 1-hydroxy-cyclohexyl-phenyl ketone；Solvent select toluene, butanone, butyl ester one or more.
What the manufacture method of the scratch resistance vacuum heat-insulation laminated aluminum film bag that this case provides adopted is the method for intaglio plate coating, and this manufacture method coating speed is fast, and the packaging bag surfacing made.Its processing step is as follows:
Step 1, at the aluminizer surface-coated layer of adhesive glue-line of aluminium coated PET film 3, through oven drying 1～5min, then one layer of nylon membrane 4 of fitting on described binding agent glue-line；
Step 2, at the resistance to scraping coating 5 that described nylon membrane 4 surface-coated a layer thickness is 2～4 μm；
Step 3, the composite membrane obtained through described step 2 described aluminium coated PET film 3 surface-coated layer of adhesive glue-line, through oven drying 1～5min, described binding agent film surface fit one layer of aluminium foil 2；
Step 4, described aluminium foil 2 another side be coated with layer of adhesive glue-line, through oven drying 1～5min, described binding agent film surface fit one layer of PE thin film.
The scratch resistant performance test of the scratch resistance vacuum heat-insulation laminated aluminum film bag that this case provides: it is 2N that damage resistant tester arranges weight, and diameter is that the spherical finger tip of scraping of 1.0mm goes to scrape packaging bag, and packaging bag surface stands intact.
The scratch resistance vacuum heat-insulation laminated aluminum film bag that this case provides rub performance test: rubbing test machine is with the frequency of 45 times/min and 400 ° of angles, and rubbing packaging bag 15 times, packaging bag surface will not produce crack performance.
Although embodiment of the present invention are disclosed as above, but listed utilization that it is not restricted in description and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited to specific details and shown here as the legend with description.
Claims (9)
1. a scratch resistance vacuum heat-insulation laminated aluminum film bag, it is characterized in that, described scratch resistance vacuum heat-insulation laminated aluminum film bag sets gradually PE film (1), one layer of aluminium foil (2), the PET film (3) of one layer of aluminium coated and one layer of nylon membrane (4) from the inside to surface, described nylon membrane (4) one layer of resistance to scraping coating (5) of upper coating；
Wherein, each component of described resistance to scraping coating (5) is formed (%) by the material of following weight/mass percentage composition:
Polyfunctional acrylate monomer: 20～50；
Initiator: 0.05～1；
Surplus is solvent,
Wherein, described polyfunctional acrylate monomer select acrylic acid methyl ester., alkoxide phenol acrylate, 2-methacrylate, methoxy poly (ethylene glycol) mono acrylic ester, in 1,3 butylene glycol dimethylacrylate one or more；
Described initiator selects 1-hydroxy-cyclohexyl-phenyl ketone；
One or more in butanone, butyl ester selected by described solvent.
2. scratch resistance vacuum heat-insulation laminated aluminum film bag as claimed in claim 1, it is characterized in that, described PE film (1) and described aluminium foil (2), described aluminium foil (2) and the PET film (3) of described aluminium coated, described aluminium coated PET film (3) and described nylon membrane (4) between be coated with binding agent polyurethane glue-line.
3. scratch resistance vacuum heat-insulation laminated aluminum film bag as claimed in claim 2, it is characterised in that described binding agent polyurethane adhesive layer thickness is 2～6 μm.
4. scratch resistance vacuum heat-insulation laminated aluminum film bag as claimed in claim 1 or 2, it is characterized in that, the face of aluminizing of the PET film (3) of described aluminium coated is laminated together with described nylon membrane (4) surface binding agent polyurethane adhesive, and the another side of described nylon membrane (4) is coated with resistance to scraping coating (5).
5. scratch resistance vacuum heat-insulation laminated aluminum film bag as claimed in claim 4, it is characterised in that described resistance to scraping coating (5) thickness is 2～4 μm.
6. scratch resistance vacuum heat-insulation laminated aluminum film bag as claimed in claim 1, it is characterized in that, described PE film (1) thickness is 10～50 μm, the thickness of described aluminium coated PET film (3) is 10～25 μm, the thickness of described aluminium foil (2) is 5～16 μm, and the thickness of described nylon membrane (4) is 8～20 μm.
7. the method for the scratch resistance vacuum heat-insulation laminated aluminum film bag that a kind makes described in any one of claim 1～6, it is characterised in that described scratch resistance vacuum heat-insulation laminated aluminum film bag be made through following processing step:
Step 1, at the aluminizer surface-coated layer of adhesive glue-line of aluminium coated PET film (3), through oven drying 1～5min, then one layer of nylon membrane (4) of fitting on described binding agent glue-line；
Step 2, at the resistance to scraping coating (5) that described nylon membrane (4) surface-coated a layer thickness is 2～4 μm；
Step 3, the composite membrane obtained through described step 2 described aluminium coated PET film (3) surface-coated layer of adhesive glue-line, described binding agent film surface fit one layer of aluminium foil (2)；
Step 4, described aluminium foil (2) another side be coated with layer of adhesive glue-line, then described binding agent film surface fit one layer of PE thin film.
8. the manufacture method of scratch resistance vacuum heat-insulation laminated aluminum film bag as claimed in claim 7, it is characterized in that, in described step 3 before described binding agent film surface fits one layer of aluminium foil (2), described binding agent glue-line will through oven drying 1～5min.
9. the manufacture method of scratch resistance vacuum heat-insulation laminated aluminum film bag as claimed in claim 7, it is characterised in that in described step 4 before described binding agent film surface fits one layer of PE thin film, described binding agent glue-line will through oven drying 1～5min.
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| CN105460358A (en) * | 2015-12-15 | 2016-04-06 | 常熟市海虞茶叶有限公司 | High-antibacterial-property tea leaf packaging bag |
| CN106428998A (en) * | 2016-09-18 | 2017-02-22 | 李全军 | Quality and freshness preservation method for sea buckthorn fruit original liquid |
| CN108864462B (en) * | 2018-07-16 | 2021-07-06 | 广东工业大学 | Modified nylon film, preparation method thereof and lithium ion battery flexible package aluminum plastic film |
| CN109177404A (en) * | 2018-08-20 | 2019-01-11 | 江苏晶瑞玻璃有限公司 | A kind of aluminizer and preparation method thereof based on environmental protection package |
| CN109728207B (en) * | 2018-12-27 | 2022-04-05 | 东莞澳中新材料科技股份有限公司 | Environment-friendly lithium cell plastic-aluminum protection film |
| CN111403812B (en) * | 2020-03-06 | 2022-08-19 | 惠州锂威新能源科技有限公司 | Edge sealing optimization process |
| CN112093246A (en) * | 2020-08-15 | 2020-12-18 | 安徽百盛源包装材料有限公司 | Vacuum packaging bag |
| CN114104502A (en) * | 2020-08-26 | 2022-03-01 | 台山市仕东包装制品有限公司 | High resistant separates wrapping bag |
| CN114248524A (en) * | 2021-11-13 | 2022-03-29 | 韩元良 | Vapor-barrier waterproof layer, cold insulation material, and preparation method and application thereof |
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| CN102729542A (en) * | 2012-07-03 | 2012-10-17 | 上海紫江彩印包装有限公司 | High-separation thin film for heat-preservation material and manufacturing method thereof |
| CN103213365A (en) * | 2013-04-25 | 2013-07-24 | 无锡市中星工业胶带有限公司 | Scratching-prevention PC (poly carbonate) film for optical display screen and preparation method thereof |
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| JP5263600B2 (en) * | 2008-02-22 | 2013-08-14 | 株式会社コバヤシ | Solar cell protection sheet |
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| CN102729542A (en) * | 2012-07-03 | 2012-10-17 | 上海紫江彩印包装有限公司 | High-separation thin film for heat-preservation material and manufacturing method thereof |
| CN103213365A (en) * | 2013-04-25 | 2013-07-24 | 无锡市中星工业胶带有限公司 | Scratching-prevention PC (poly carbonate) film for optical display screen and preparation method thereof |
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