CN104786601A - Low-friction coefficient high-resistance aluminized film and preparation method thereof - Google Patents
Low-friction coefficient high-resistance aluminized film and preparation method thereof Download PDFInfo
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- CN104786601A CN104786601A CN201510182203.1A CN201510182203A CN104786601A CN 104786601 A CN104786601 A CN 104786601A CN 201510182203 A CN201510182203 A CN 201510182203A CN 104786601 A CN104786601 A CN 104786601A
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Abstract
The invention belongs to the technical field of aluminized films, and discloses a low-friction coefficient high-resistance aluminized film. The aluminized film is characterized by comprising a heat-seal layer, a first core layer, a second core layer and an aluminized layer which are arranged in sequence through four-layer co-extrusion casting the mass percentages of the heat-seal layer, the first core layer, the second core layer and the aluminized layer are 21%, 30%, 30% and 19% respectively; the heat-seal layer is made of ternary random copolymerization polypropylene (PP) resin and a modifying agent; the adding amount of the modifying agent is 10-15% of the mass of the ternary random copolymerization polypropylene (PP) resin; the first core layer is made of polypropylene resin; the second core layer is made of polypropylene resin; the aluminized layer is made of copolymer resin and a reinforcing agent; the adding amount of the reinforcing agent is 2-5% of the mass of the copolymer resin. The aluminized film prepared according to the method is relatively low in friction coefficient, and relatively high in heat-seal strength.
Description
Technical field
The invention belongs to aluminizer technical field, be specifically related to a kind of low-friction coefficient high barrier aluminum-plating film and preparation method thereof.
Background technology
The coefficient of friction of existing aluminizer is also higher, and heat seal strength (barrier) is also more weak.
Summary of the invention
The object of the present invention is to provide a kind of low-friction coefficient high barrier aluminum-plating film and preparation method thereof, the coefficient of friction of aluminizer prepared by the method is lower, heat seal strength is higher.
To achieve these goals, the technical solution used in the present invention is: a kind of low-friction coefficient high barrier aluminum-plating film, it is characterized in that by hot sealing layer, the first sandwich layer, the second sandwich layer, aluminium coated, it arranges that curtain coating four layers is co-extruded successively; Shared by described hot sealing layer, the first sandwich layer, the second sandwich layer, aluminium coated, mass percent is respectively: 21%, 30%, 30%, 19%;
The material of described hot sealing layer adopts ternary atactic copolymerized polypropene (PP) resin and modifier, and the addition of modifier is the 10-15% of ternary atactic copolymerized polypropene (PP) resin quality;
The material be made from polypropylene resin of the first described sandwich layer;
The material be made from polypropylene resin of the second described sandwich layer;
The material of described aluminium coated adopts copolymer resin and reinforcing agent composition, and the addition of reinforcing agent is the 2-5% of copolymer resin quality.
Described modifier is polyethylene and second hydrocarbon, and shared by each raw material, mass percent is respectively: polyethylene 1-99%, second hydrocarbon 1-99%.
Described reinforcing agent is ethylene methyl methacrylate copolymer.
Copolymer resin is Singapore polyolefin TPC FL7540, or ethene-vinyl acetate (EVA) copolymer resin.
Described aluminium coated plates (Vacuum Deposition) aluminium and form aluminium lamination, the thickness of aluminium lamination is 400 ~ 600 dusts.
The preparation method of above-mentioned a kind of low-friction coefficient high barrier aluminum-plating film, is characterized in that it comprises the steps:
1) be respectively by mass percent shared by described hot sealing layer, the first sandwich layer, the second sandwich layer, aluminium coated: 21%, 30%, 30%, 19%, choose the material of hot sealing layer, the first sandwich layer, the second sandwich layer, aluminium coated;
2) hot sealing layer, the first sandwich layer, the second sandwich layer, aluminium coated are arranged curtain coating four layers of co-extrusion successively, obtain low-friction coefficient high barrier aluminum-plating film.
The invention has the beneficial effects as follows: the coefficient of friction lower (for 0.3-0.4) of aluminizer prepared by method, heat seal strength higher (for 12N/104 degree).
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1-hot sealing layer, 2-first sandwich layer, 3-second sandwich layer, 4-aluminium coated.
Detailed description of the invention
In order to understand the present invention better, illustrate content of the present invention further below in conjunction with embodiment, but content of the present invention is not only confined to the following examples.
Embodiment 1:
As shown in Figure 1, a kind of low-friction coefficient high barrier aluminum-plating film, by hot sealing layer 1, first sandwich layer 2, second sandwich layer 3, aluminium coated 4, it arranges that curtain coating four layers is co-extruded successively; Shared by described hot sealing layer 1, first sandwich layer 2, second sandwich layer 3, aluminium coated 4, mass percent is respectively: 21%, 30%, 30%, 19%;
The material of described hot sealing layer adopts ternary atactic copolymerized polypropene (PP) resin [ternary random vinyl chloride 750M] and modifier to mix, and the addition of modifier is the 10-15% of ternary atactic copolymerized polypropene (PP) resin quality;
The material be made from polypropylene resin (little containing low molecule precipitate) of the first described sandwich layer, because precipitate is few, serves good effect to the maintenance of basement membrane corona value and the adhesive force of follow-up aluminium lamination;
The material be made from polypropylene resin (little containing low molecule precipitate) of the second described sandwich layer, because precipitate is few, serves good effect to the maintenance of basement membrane corona value and the adhesive force of follow-up aluminium lamination;
The material of described aluminium coated adopts copolymer resin [Singapore polyolefin TPC FL7540] and reinforcing agent composition, and the addition of reinforcing agent is the 2-5% of copolymer resin quality.
Described modifier is polyethylene and second hydrocarbon, and shared by each raw material, mass percent is respectively: polyethylene 1-99%, second hydrocarbon 1-99%.Adopt modifier of the present invention, greatly reduce coefficient of friction and the heat-sealing temperature of hot sealing layer.
Described reinforcing agent is ethylene methyl methacrylate copolymer WH303, due to adding of reinforcing agent, the aluminium lamination adhesive force after aluminizing is increased greatly, ensure that CPP aluminizer carries out compound tense aluminium lamination and do not depart from.
The preparation method of above-mentioned a kind of low-friction coefficient high barrier aluminum-plating film, it comprises the steps:
1) be respectively by mass percent shared by described hot sealing layer 1, first sandwich layer 2, second sandwich layer 3, aluminium coated 4: 21%, 30%, 30%, 19%, choose the material of hot sealing layer 1, first sandwich layer 2, second sandwich layer 3, aluminium coated 4;
2) hot sealing layer 1, first sandwich layer 2, second sandwich layer 3, aluminium coated 4 are arranged curtain coating four layers of co-extrusion successively, obtain low-friction coefficient high barrier aluminum-plating film.
Aluminium coated plates (Vacuum Deposition) aluminium and forms aluminium lamination (thickness of aluminium lamination is 400 ~ 600 dusts).
The advantage of the present invention and market like product is as follows:
Flatness of the present invention is good, glossiness is high, heat seal strength is high, coefficient of friction is low.
Aluminize evenly, adhesion-tight degree is high, and intercept excellent after aluminizing, brightness is high.
Market like product heat seal strength is 8N/108 degree, and product of the present invention is 12N/104 degree.
Market like product coefficient of friction is 0.6-0.8, and product of the present invention is 0.3-0.4.
Embodiment 2:
As shown in Figure 1, substantially the same manner as Example 1, difference is: the material of aluminium coated adopts ethene-vinyl acetate (EVA) copolymer resin.
As follows with the advantage of market like product: flatness of the present invention is good, glossiness is high, heat seal strength is high, coefficient of friction is low.Aluminize evenly, adhesion-tight degree is high, and intercept excellent after aluminizing, brightness is high.Market like product heat seal strength is 8N/108 degree, and product of the present invention is 12N/104 degree.Market like product coefficient of friction is 0.6-0.8, and product of the present invention is 0.3-0.4.
Embodiment 3:
As shown in Figure 1, substantially the same manner as Example 1, difference is: described modifier is Exxon FL3980.
As follows with the advantage of market like product: flatness of the present invention is good, glossiness is high, heat seal strength is high, coefficient of friction is low.Aluminize evenly, adhesion-tight degree is high, and intercept excellent after aluminizing, brightness is high.Market like product heat seal strength is 8N/108 degree, and product of the present invention is 12N/104 degree.Market like product coefficient of friction is 0.6-0.8, and product of the present invention is 0.3-0.4.
Embodiment 4:
As shown in Figure 1, substantially the same manner as Example 1, difference is: reinforcing agent is ethylene-methyl methacrylate resin copolymer WH303.
As follows with the advantage of market like product: flatness of the present invention is good, glossiness is high, heat seal strength is high, coefficient of friction is low.Aluminize evenly, adhesion-tight degree is high, and intercept excellent after aluminizing, brightness is high.Market like product heat seal strength is 8N/108 degree, and product of the present invention is 12N/104 degree.Market like product coefficient of friction is 0.6-0.8, and product of the present invention is 0.3-0.4.
Claims (7)
1. a low-friction coefficient high barrier aluminum-plating film, is characterized in that by hot sealing layer, the first sandwich layer, the second sandwich layer, aluminium coated, it arranges that curtain coating four layers is co-extruded successively; Shared by described hot sealing layer, the first sandwich layer, the second sandwich layer, aluminium coated, mass percent is respectively: 21%, 30%, 30%, 19%;
The material of described hot sealing layer adopts ternary atactic copolymerized polypropene (PP) resin and modifier, and the addition of modifier is the 10-15% of ternary atactic copolymerized polypropene (PP) resin quality;
The material be made from polypropylene resin of the first described sandwich layer;
The material be made from polypropylene resin of the second described sandwich layer;
The material of described aluminium coated adopts copolymer resin and reinforcing agent composition, and the addition of reinforcing agent is the 2-5% of copolymer resin quality.
2. a kind of low-friction coefficient high barrier aluminum-plating film according to claim 1, is characterized in that: described modifier is polyethylene and second hydrocarbon, and shared by each raw material, mass percent is respectively: polyethylene 1-99%, second hydrocarbon 1-99%.
3. a kind of low-friction coefficient high barrier aluminum-plating film according to claim 1, is characterized in that: described reinforcing agent is ethylene methyl methacrylate copolymer.
4. a kind of low-friction coefficient high barrier aluminum-plating film according to claim 1, is characterized in that: copolymer resin is Singapore polyolefin TPC FL7540, or ethene-vinyl acetate (EVA) copolymer resin.
5. a kind of low-friction coefficient high barrier aluminum-plating film according to claim 1, is characterized in that: formation aluminium lamination that described aluminium coated is aluminized, and the thickness of aluminium lamination is 400 ~ 600 dusts.
6. the preparation method of a kind of low-friction coefficient high barrier aluminum-plating film as claimed in claim 1, is characterized in that it comprises the steps:
1) be respectively by mass percent shared by described hot sealing layer, the first sandwich layer, the second sandwich layer, aluminium coated: 21%, 30%, 30%, 19%, choose the material of hot sealing layer, the first sandwich layer, the second sandwich layer, aluminium coated;
2) hot sealing layer, the first sandwich layer, the second sandwich layer, aluminium coated are arranged curtain coating four layers of co-extrusion successively, obtain low-friction coefficient high barrier aluminum-plating film.
7. the preparation method of a kind of low-friction coefficient high barrier aluminum-plating film according to claim 6, is characterized in that, formation aluminium lamination that described aluminium coated is aluminized, and the thickness of aluminium lamination is 400 ~ 600 dusts.
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| CN201510182203.1A CN104786601B (en) | 2015-04-17 | 2015-04-17 | A kind of low-friction coefficient high barrier aluminum-plating film and preparation method thereof |
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| CN201510182203.1A CN104786601B (en) | 2015-04-17 | 2015-04-17 | A kind of low-friction coefficient high barrier aluminum-plating film and preparation method thereof |
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| CN104786601B CN104786601B (en) | 2017-06-16 |
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| CN105856776A (en) * | 2016-03-31 | 2016-08-17 | 湖北德威包装科技有限公司 | Puncture-resistant high-temperature fresh-keeping cooking film and preparation method thereof |
| CN105856775A (en) * | 2016-03-31 | 2016-08-17 | 湖北德威包装科技有限公司 | Low-temperature, heat-sealing and inflation-resistant CPP aluminum-plated film and preparation method thereof |
| CN111806028A (en) * | 2020-07-22 | 2020-10-23 | 福建省炎英包装科技有限公司 | Ultra-low friction coefficient polypropylene aluminum-plated base material film and preparation method thereof |
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| CN111806028A (en) * | 2020-07-22 | 2020-10-23 | 福建省炎英包装科技有限公司 | Ultra-low friction coefficient polypropylene aluminum-plated base material film and preparation method thereof |
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| CN104786601B (en) | 2017-06-16 |
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